version 0.7.0

author: Andreas Rumpf <rumpf_a@web.de> 2008-11-16 22:11:53 +0100
committer: Andreas Rumpf <rumpf_a@web.de> 2008-11-16 22:11:53 +0100
commit: 985113a88fe07fa18f0a34ceaa9e8c1c1e04a79b (patch)
tree: 6a2e56078dd24d29d9031a784917ed94696d24a8 /lib/base/opengl/glext.pp
parent: 8b2a9401a147bd0b26cd2976ae71a1022fbde8cc (diff)
download: Nim-985113a88fe07fa18f0a34ceaa9e8c1c1e04a79b.tar.gz
1 files changed, 3857 insertions, 0 deletions
diff --git a/lib/base/opengl/glext.pp b/lib/base/opengl/glext.pp
new file mode 100644
index 000000000..4c9fc2119
--- /dev/null
+++ b/lib/base/opengl/glext.pp
@@ -0,0 +1,3857 @@
+{
+
+  Adaption of the delphi3d.net OpenGL units to FreePascal
+  Sebastian Guenther (sg@freepascal.org) in 2002
+  These units are free to use
+}
+(*
+{$MACRO ON}
+{$MODE Delphi}
+{$IFDEF Windows}
+  {$DEFINE extdecl:=stdcall }
+{$ELSE}
+  {$DEFINE extdecl:=cdecl }
+{$ENDIF} *)
+
+unit GLext;
+
+(**************************************************
+ *        OpenGL extension loading library        *
+ * Generated by MetaGLext, written by Tom Nuydens *
+ *  (tom@delphi3d.net -- http://www.delphi3d.net  *
+ **************************************************)
+
+//*** Generated on 10/11/2002
+
+interface
+
+uses
+  GL;
+
+// Test if the given extension name is present in the given extension string.
+function glext_ExtensionSupported(const extension: String; const searchIn: String): Boolean;
+
+// Load the extension with the given name.
+function glext_LoadExtension(ext: String): Boolean;
+
+type
+  GLcharARB = Char;
+  TGLcharARB = GLcharARB;
+  PGLcharARB = ^GLcharARB;
+
+  GLhandleARB = Cardinal;
+  TGLhandleARB = GLhandleARB;
+  PGLhandleARB = ^GLhandleARB;
+
+  GLintptr = Integer;
+  TGLintptr = GLintptr;
+  PGLintptr = ^GLintptr;
+
+  GLsizeiptr = Integer;
+  TGLsizeiptr = GLsizeiptr;
+  PGLsizeiptr = ^GLsizeiptr;
+
+  GLchar = Char;
+  TGLchar = GLchar;
+  PGLchar = Pchar;
+
+//***** GL_version_1_2 *****//
+const
+  GL_UNSIGNED_BYTE_3_3_2 = $8032;
+  GL_UNSIGNED_SHORT_4_4_4_4 = $8033;
+  GL_UNSIGNED_SHORT_5_5_5_1 = $8034;
+  GL_UNSIGNED_INT_8_8_8_8 = $8035;
+  GL_UNSIGNED_INT_10_10_10_2 = $8036;
+  GL_RESCALE_NORMAL = $803A;
+  GL_UNSIGNED_BYTE_2_3_3_REV = $8362;
+  GL_UNSIGNED_SHORT_5_6_5 = $8363;
+  GL_UNSIGNED_SHORT_5_6_5_REV = $8364;
+  GL_UNSIGNED_SHORT_4_4_4_4_REV = $8365;
+  GL_UNSIGNED_SHORT_1_5_5_5_REV = $8366;
+  GL_UNSIGNED_INT_8_8_8_8_REV = $8367;
+  GL_UNSIGNED_INT_2_10_10_10_REV = $8368;
+  GL_BGR = $80E0;
+  GL_BGRA = $80E1;
+  GL_MAX_ELEMENTS_VERTICES = $80E8;
+  GL_MAX_ELEMENTS_INDICES = $80E9;
+  GL_CLAMP_TO_EDGE = $812F;
+  GL_TEXTURE_MIN_LOD = $813A;
+  GL_TEXTURE_MAX_LOD = $813B;
+  GL_TEXTURE_BASE_LEVEL = $813C;
+  GL_TEXTURE_MAX_LEVEL = $813D;
+  GL_LIGHT_MODEL_COLOR_CONTROL = $81F8;
+  GL_SINGLE_COLOR = $81F9;
+  GL_SEPARATE_SPECULAR_COLOR = $81FA;
+  GL_SMOOTH_POINT_SIZE_RANGE = $0B12;
+  GL_SMOOTH_POINT_SIZE_GRANULARITY = $0B13;
+  GL_SMOOTH_LINE_WIDTH_RANGE = $0B22;
+  GL_SMOOTH_LINE_WIDTH_GRANULARITY = $0B23;
+  GL_ALIASED_POINT_SIZE_RANGE = $846D;
+  GL_ALIASED_LINE_WIDTH_RANGE = $846E;
+  GL_PACK_SKIP_IMAGES = $806B;
+  GL_PACK_IMAGE_HEIGHT = $806C;
+  GL_UNPACK_SKIP_IMAGES = $806D;
+  GL_UNPACK_IMAGE_HEIGHT = $806E;
+  GL_TEXTURE_3D = $806F;
+  GL_PROXY_TEXTURE_3D = $8070;
+  GL_TEXTURE_DEPTH = $8071;
+  GL_TEXTURE_WRAP_R = $8072;
+  GL_MAX_3D_TEXTURE_SIZE = $8073;
+
+  procedure glBlendColor(red: GLclampf; green: GLclampf; blue: GLclampf; alpha: GLclampf); external dllname;
+  procedure glBlendEquation(mode: GLenum); external dllname;
+  procedure glDrawRangeElements(mode: GLenum; start: GLuint; theend: GLuint; count: GLsizei; thetype: GLenum; const indices: PGLvoid); external dllname;
+  procedure glColorTable(target: GLenum; internalformat: GLenum; width: GLsizei; format: GLenum; thetype: GLenum; const table: PGLvoid); external dllname;
+  procedure glColorTableParameterfv(target: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glColorTableParameteriv(target: GLenum; pname: GLenum; const params: PGLint); external dllname;
+  procedure glCopyColorTable(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei); external dllname;
+  procedure glGetColorTable(target: GLenum; format: GLenum; thetype: GLenum; table: PGLvoid); external dllname;
+  procedure glGetColorTableParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetColorTableParameteriv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glColorSubTable(target: GLenum; start: GLsizei; count: GLsizei; format: GLenum; thetype: GLenum; const data: PGLvoid); external dllname;
+  procedure glCopyColorSubTable(target: GLenum; start: GLsizei; x: GLint; y: GLint; width: GLsizei); external dllname;
+  procedure glConvolutionFilter1D(target: GLenum; internalformat: GLenum; width: GLsizei; format: GLenum; thetype: GLenum; const image: PGLvoid); external dllname;
+  procedure glConvolutionFilter2D(target: GLenum; internalformat: GLenum; width: GLsizei; height: GLsizei; format: GLenum; thetype: GLenum; const image: PGLvoid); external dllname;
+  procedure glConvolutionParameterf(target: GLenum; pname: GLenum; params: GLfloat); external dllname;
+  procedure glConvolutionParameterfv(target: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glConvolutionParameteri(target: GLenum; pname: GLenum; params: GLint); external dllname;
+  procedure glConvolutionParameteriv(target: GLenum; pname: GLenum; const params: PGLint); external dllname;
+  procedure glCopyConvolutionFilter1D(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei); external dllname;
+  procedure glCopyConvolutionFilter2D(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei; height: GLsizei); external dllname;
+  procedure glGetConvolutionFilter(target: GLenum; format: GLenum; thetype: GLenum; image: PGLvoid); external dllname;
+  procedure glGetConvolutionParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetConvolutionParameteriv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetSeparableFilter(target: GLenum; format: GLenum; thetype: GLenum; row: PGLvoid; column: PGLvoid; span: PGLvoid); external dllname;
+  procedure glSeparableFilter2D(target: GLenum; internalformat: GLenum; width: GLsizei; height: GLsizei; format: GLenum; thetype: GLenum; const row: PGLvoid; const column: PGLvoid); external dllname;
+  procedure glGetHistogram(target: GLenum; reset: GLboolean; format: GLenum; thetype: GLenum; values: PGLvoid); external dllname;
+  procedure glGetHistogramParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetHistogramParameteriv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetMinmax(target: GLenum; reset: GLboolean; format: GLenum; thetype: GLenum; values: PGLvoid); external dllname;
+  procedure glGetMinmaxParameterfv(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetMinmaxParameteriv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glHistogram(target: GLenum; width: GLsizei; internalformat: GLenum; sink: GLboolean); external dllname;
+  procedure glMinmax(target: GLenum; internalformat: GLenum; sink: GLboolean); external dllname;
+  procedure glResetHistogram(target: GLenum); external dllname;
+  procedure glResetMinmax(target: GLenum); external dllname;
+  procedure glTexImage3D(target: GLenum; level: GLint; internalformat: GLint; width: GLsizei; height: GLsizei; depth: GLsizei; border: GLint; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+  procedure glTexSubImage3D(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; zoffset: GLint; width: GLsizei; height: GLsizei; depth: GLsizei; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+  procedure glCopyTexSubImage3D(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; zoffset: GLint; x: GLint; y: GLint; width: GLsizei; height: GLsizei); external dllname;
+
+
+//***** GL_ARB_imaging *****//
+const
+  GL_CONSTANT_COLOR = $8001;
+  GL_ONE_MINUS_CONSTANT_COLOR = $8002;
+  GL_CONSTANT_ALPHA = $8003;
+  GL_ONE_MINUS_CONSTANT_ALPHA = $8004;
+  GL_BLEND_COLOR = $8005;
+  GL_FUNC_ADD = $8006;
+  GL_MIN = $8007;
+  GL_MAX = $8008;
+  GL_BLEND_EQUATION = $8009;
+  GL_FUNC_SUBTRACT = $800A;
+  GL_FUNC_REVERSE_SUBTRACT = $800B;
+  GL_CONVOLUTION_1D = $8010;
+  GL_CONVOLUTION_2D = $8011;
+  GL_SEPARABLE_2D = $8012;
+  GL_CONVOLUTION_BORDER_MODE = $8013;
+  GL_CONVOLUTION_FILTER_SCALE = $8014;
+  GL_CONVOLUTION_FILTER_BIAS = $8015;
+  GL_REDUCE = $8016;
+  GL_CONVOLUTION_FORMAT = $8017;
+  GL_CONVOLUTION_WIDTH = $8018;
+  GL_CONVOLUTION_HEIGHT = $8019;
+  GL_MAX_CONVOLUTION_WIDTH = $801A;
+  GL_MAX_CONVOLUTION_HEIGHT = $801B;
+  GL_POST_CONVOLUTION_RED_SCALE = $801C;
+  GL_POST_CONVOLUTION_GREEN_SCALE = $801D;
+  GL_POST_CONVOLUTION_BLUE_SCALE = $801E;
+  GL_POST_CONVOLUTION_ALPHA_SCALE = $801F;
+  GL_POST_CONVOLUTION_RED_BIAS = $8020;
+  GL_POST_CONVOLUTION_GREEN_BIAS = $8021;
+  GL_POST_CONVOLUTION_BLUE_BIAS = $8022;
+  GL_POST_CONVOLUTION_ALPHA_BIAS = $8023;
+  GL_HISTOGRAM = $8024;
+  GL_PROXY_HISTOGRAM = $8025;
+  GL_HISTOGRAM_WIDTH = $8026;
+  GL_HISTOGRAM_FORMAT = $8027;
+  GL_HISTOGRAM_RED_SIZE = $8028;
+  GL_HISTOGRAM_GREEN_SIZE = $8029;
+  GL_HISTOGRAM_BLUE_SIZE = $802A;
+  GL_HISTOGRAM_ALPHA_SIZE = $802B;
+  GL_HISTOGRAM_LUMINANCE_SIZE = $802C;
+  GL_HISTOGRAM_SINK = $802D;
+  GL_MINMAX = $802E;
+  GL_MINMAX_FORMAT = $802F;
+  GL_MINMAX_SINK = $8030;
+  GL_TABLE_TOO_LARGE = $8031;
+  GL_COLOR_MATRIX = $80B1;
+  GL_COLOR_MATRIX_STACK_DEPTH = $80B2;
+  GL_MAX_COLOR_MATRIX_STACK_DEPTH = $80B3;
+  GL_POST_COLOR_MATRIX_RED_SCALE = $80B4;
+  GL_POST_COLOR_MATRIX_GREEN_SCALE = $80B5;
+  GL_POST_COLOR_MATRIX_BLUE_SCALE = $80B6;
+  GL_POST_COLOR_MATRIX_ALPHA_SCALE = $80B7;
+  GL_POST_COLOR_MATRIX_RED_BIAS = $80B8;
+  GL_POST_COLOR_MATRIX_GREEN_BIAS = $80B9;
+  GL_POST_COLOR_MATRIX_BLUE_BIAS = $80BA;
+  GL_POST_COLOR_MATIX_ALPHA_BIAS = $80BB;
+  GL_COLOR_TABLE = $80D0;
+  GL_POST_CONVOLUTION_COLOR_TABLE = $80D1;
+  GL_POST_COLOR_MATRIX_COLOR_TABLE = $80D2;
+  GL_PROXY_COLOR_TABLE = $80D3;
+  GL_PROXY_POST_CONVOLUTION_COLOR_TABLE = $80D4;
+  GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE = $80D5;
+  GL_COLOR_TABLE_SCALE = $80D6;
+  GL_COLOR_TABLE_BIAS = $80D7;
+  GL_COLOR_TABLE_FORMAT = $80D8;
+  GL_COLOR_TABLE_WIDTH = $80D9;
+  GL_COLOR_TABLE_RED_SIZE = $80DA;
+  GL_COLOR_TABLE_GREEN_SIZE = $80DB;
+  GL_COLOR_TABLE_BLUE_SIZE = $80DC;
+  GL_COLOR_TABLE_ALPHA_SIZE = $80DD;
+  GL_COLOR_TABLE_LUMINANCE_SIZE = $80DE;
+  GL_COLOR_TABLE_INTENSITY_SIZE = $80DF;
+  GL_IGNORE_BORDER = $8150;
+  GL_CONSTANT_BORDER = $8151;
+  GL_WRAP_BORDER = $8152;
+  GL_REPLICATE_BORDER = $8153;
+  GL_CONVOLUTION_BORDER_COLOR = $8154;
+
+function Load_GL_ARB_imaging: Boolean;
+
+//***** GL_version_1_3 *****//
+const
+  GL_TEXTURE0 = $84C0;
+  GL_TEXTURE1 = $84C1;
+  GL_TEXTURE2 = $84C2;
+  GL_TEXTURE3 = $84C3;
+  GL_TEXTURE4 = $84C4;
+  GL_TEXTURE5 = $84C5;
+  GL_TEXTURE6 = $84C6;
+  GL_TEXTURE7 = $84C7;
+  GL_TEXTURE8 = $84C8;
+  GL_TEXTURE9 = $84C9;
+  GL_TEXTURE10 = $84CA;
+  GL_TEXTURE11 = $84CB;
+  GL_TEXTURE12 = $84CC;
+  GL_TEXTURE13 = $84CD;
+  GL_TEXTURE14 = $84CE;
+  GL_TEXTURE15 = $84CF;
+  GL_TEXTURE16 = $84D0;
+  GL_TEXTURE17 = $84D1;
+  GL_TEXTURE18 = $84D2;
+  GL_TEXTURE19 = $84D3;
+  GL_TEXTURE20 = $84D4;
+  GL_TEXTURE21 = $84D5;
+  GL_TEXTURE22 = $84D6;
+  GL_TEXTURE23 = $84D7;
+  GL_TEXTURE24 = $84D8;
+  GL_TEXTURE25 = $84D9;
+  GL_TEXTURE26 = $84DA;
+  GL_TEXTURE27 = $84DB;
+  GL_TEXTURE28 = $84DC;
+  GL_TEXTURE29 = $84DD;
+  GL_TEXTURE30 = $84DE;
+  GL_TEXTURE31 = $84DF;
+  GL_ACTIVE_TEXTURE = $84E0;
+  GL_CLIENT_ACTIVE_TEXTURE = $84E1;
+  GL_MAX_TEXTURE_UNITS = $84E2;
+  GL_TRANSPOSE_MODELVIEW_MATRIX = $84E3;
+  GL_TRANSPOSE_PROJECTION_MATRIX = $84E4;
+  GL_TRANSPOSE_TEXTURE_MATRIX = $84E5;
+  GL_TRANSPOSE_COLOR_MATRIX = $84E6;
+  GL_MULTISAMPLE = $809D;
+  GL_SAMPLE_ALPHA_TO_COVERAGE = $809E;
+  GL_SAMPLE_ALPHA_TO_ONE = $809F;
+  GL_SAMPLE_COVERAGE = $80A0;
+  GL_SAMPLE_BUFFERS = $80A8;
+  GL_SAMPLES = $80A9;
+  GL_SAMPLE_COVERAGE_VALUE = $80AA;
+  GL_SAMPLE_COVERAGE_INVERT = $80AB;
+  GL_MULTISAMPLE_BIT = $20000000;
+  GL_NORMAL_MAP = $8511;
+  GL_REFLECTION_MAP = $8512;
+  GL_TEXTURE_CUBE_MAP = $8513;
+  GL_TEXTURE_BINDING_CUBE_MAP = $8514;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_X = $8515;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_X = $8516;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_Y = $8517;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = $8518;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_Z = $8519;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = $851A;
+  GL_PROXY_TEXTURE_CUBE_MAP = $851B;
+  GL_MAX_CUBE_MAP_TEXTURE_SIZE = $851C;
+  GL_COMPRESSED_ALPHA = $84E9;
+  GL_COMPRESSED_LUMINANCE = $84EA;
+  GL_COMPRESSED_LUMINANCE_ALPHA = $84EB;
+  GL_COMPRESSED_INTENSITY = $84EC;
+  GL_COMPRESSED_RGB = $84ED;
+  GL_COMPRESSED_RGBA = $84EE;
+  GL_TEXTURE_COMPRESSION_HINT = $84EF;
+  GL_TEXTURE_COMPRESSED_IMAGE_SIZE = $86A0;
+  GL_TEXTURE_COMPRESSED = $86A1;
+  GL_NUM_COMPRESSED_TEXTURE_FORMATS = $86A2;
+  GL_COMPRESSED_TEXTURE_FORMATS = $86A3;
+  GL_CLAMP_TO_BORDER = $812D;
+  GL_CLAMP_TO_BORDER_SGIS = $812D;
+  GL_COMBINE = $8570;
+  GL_COMBINE_RGB = $8571;
+  GL_COMBINE_ALPHA = $8572;
+  GL_SOURCE0_RGB = $8580;
+  GL_SOURCE1_RGB = $8581;
+  GL_SOURCE2_RGB = $8582;
+  GL_SOURCE0_ALPHA = $8588;
+  GL_SOURCE1_ALPHA = $8589;
+  GL_SOURCE2_ALPHA = $858A;
+  GL_OPERAND0_RGB = $8590;
+  GL_OPERAND1_RGB = $8591;
+  GL_OPERAND2_RGB = $8592;
+  GL_OPERAND0_ALPHA = $8598;
+  GL_OPERAND1_ALPHA = $8599;
+  GL_OPERAND2_ALPHA = $859A;
+  GL_RGB_SCALE = $8573;
+  GL_ADD_SIGNED = $8574;
+  GL_INTERPOLATE = $8575;
+  GL_SUBTRACT = $84E7;
+  GL_CONSTANT = $8576;
+  GL_PRIMARY_COLOR = $8577;
+  GL_PREVIOUS = $8578;
+  GL_DOT3_RGB = $86AE;
+  GL_DOT3_RGBA = $86AF;
+
+  procedure glActiveTexture(texture: GLenum); external dllname;
+  procedure glClientActiveTexture(texture: GLenum); external dllname;
+  procedure glMultiTexCoord1d(target: GLenum; s: GLdouble); external dllname;
+  procedure glMultiTexCoord1dv(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord1f(target: GLenum; s: GLfloat); external dllname;
+  procedure glMultiTexCoord1fv(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord1i(target: GLenum; s: GLint); external dllname;
+  procedure glMultiTexCoord1iv(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord1s(target: GLenum; s: GLshort); external dllname;
+  procedure glMultiTexCoord1sv(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord2d(target: GLenum; s: GLdouble; t: GLdouble); external dllname;
+  procedure glMultiTexCoord2dv(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord2f(target: GLenum; s: GLfloat; t: GLfloat); external dllname;
+  procedure glMultiTexCoord2fv(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord2i(target: GLenum; s: GLint; t: GLint); external dllname;
+  procedure glMultiTexCoord2iv(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord2s(target: GLenum; s: GLshort; t: GLshort); external dllname;
+  procedure glMultiTexCoord2sv(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord3d(target: GLenum; s: GLdouble; t: GLdouble; r: GLdouble); external dllname;
+  procedure glMultiTexCoord3dv(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord3f(target: GLenum; s: GLfloat; t: GLfloat; r: GLfloat); external dllname;
+  procedure glMultiTexCoord3fv(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord3i(target: GLenum; s: GLint; t: GLint; r: GLint); external dllname;
+  procedure glMultiTexCoord3iv(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord3s(target: GLenum; s: GLshort; t: GLshort; r: GLshort); external dllname;
+  procedure glMultiTexCoord3sv(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord4d(target: GLenum; s: GLdouble; t: GLdouble; r: GLdouble; q: GLdouble); external dllname;
+  procedure glMultiTexCoord4dv(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord4f(target: GLenum; s: GLfloat; t: GLfloat; r: GLfloat; q: GLfloat); external dllname;
+  procedure glMultiTexCoord4fv(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord4i(target: GLenum; s: GLint; t: GLint; r: GLint; q: GLint); external dllname;
+  procedure glMultiTexCoord4iv(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord4s(target: GLenum; s: GLshort; t: GLshort; r: GLshort; q: GLshort); external dllname;
+  procedure glMultiTexCoord4sv(target: GLenum; const v: PGLshort); external dllname;
+  procedure glLoadTransposeMatrixf(const m: PGLfloat); external dllname;
+  procedure glLoadTransposeMatrixd(const m: PGLdouble); external dllname;
+  procedure glMultTransposeMatrixf(const m: PGLfloat); external dllname;
+  procedure glMultTransposeMatrixd(const m: PGLdouble); external dllname;
+  procedure glSampleCoverage(value: GLclampf; invert: GLboolean); external dllname;
+  procedure glCompressedTexImage3D(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; depth: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexImage2D(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexImage1D(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage3D(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; zoffset: GLint; width: GLsizei; height: GLsizei; depth: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage2D(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; width: GLsizei; height: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage1D(target: GLenum; level: GLint; xoffset: GLint; width: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glGetCompressedTexImage(target: GLenum; level: GLint; img: PGLvoid); external dllname;
+
+function Load_GL_version_1_3: Boolean;
+
+//***** GL_ARB_multitexture *****//
+const
+  GL_TEXTURE0_ARB = $84C0;
+  GL_TEXTURE1_ARB = $84C1;
+  GL_TEXTURE2_ARB = $84C2;
+  GL_TEXTURE3_ARB = $84C3;
+  GL_TEXTURE4_ARB = $84C4;
+  GL_TEXTURE5_ARB = $84C5;
+  GL_TEXTURE6_ARB = $84C6;
+  GL_TEXTURE7_ARB = $84C7;
+  GL_TEXTURE8_ARB = $84C8;
+  GL_TEXTURE9_ARB = $84C9;
+  GL_TEXTURE10_ARB = $84CA;
+  GL_TEXTURE11_ARB = $84CB;
+  GL_TEXTURE12_ARB = $84CC;
+  GL_TEXTURE13_ARB = $84CD;
+  GL_TEXTURE14_ARB = $84CE;
+  GL_TEXTURE15_ARB = $84CF;
+  GL_TEXTURE16_ARB = $84D0;
+  GL_TEXTURE17_ARB = $84D1;
+  GL_TEXTURE18_ARB = $84D2;
+  GL_TEXTURE19_ARB = $84D3;
+  GL_TEXTURE20_ARB = $84D4;
+  GL_TEXTURE21_ARB = $84D5;
+  GL_TEXTURE22_ARB = $84D6;
+  GL_TEXTURE23_ARB = $84D7;
+  GL_TEXTURE24_ARB = $84D8;
+  GL_TEXTURE25_ARB = $84D9;
+  GL_TEXTURE26_ARB = $84DA;
+  GL_TEXTURE27_ARB = $84DB;
+  GL_TEXTURE28_ARB = $84DC;
+  GL_TEXTURE29_ARB = $84DD;
+  GL_TEXTURE30_ARB = $84DE;
+  GL_TEXTURE31_ARB = $84DF;
+  GL_ACTIVE_TEXTURE_ARB = $84E0;
+  GL_CLIENT_ACTIVE_TEXTURE_ARB = $84E1;
+  GL_MAX_TEXTURE_UNITS_ARB = $84E2;
+
+  procedure glActiveTextureARB(texture: GLenum); external dllname;
+  procedure glClientActiveTextureARB(texture: GLenum); external dllname;
+  procedure glMultiTexCoord1dARB(target: GLenum; s: GLdouble); external dllname;
+  procedure glMultiTexCoord1dvARB(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord1fARB(target: GLenum; s: GLfloat); external dllname;
+  procedure glMultiTexCoord1fvARB(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord1iARB(target: GLenum; s: GLint); external dllname;
+  procedure glMultiTexCoord1ivARB(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord1sARB(target: GLenum; s: GLshort); external dllname;
+  procedure glMultiTexCoord1svARB(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord2dARB(target: GLenum; s: GLdouble; t: GLdouble); external dllname;
+  procedure glMultiTexCoord2dvARB(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord2fARB(target: GLenum; s: GLfloat; t: GLfloat); external dllname;
+  procedure glMultiTexCoord2fvARB(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord2iARB(target: GLenum; s: GLint; t: GLint); external dllname;
+  procedure glMultiTexCoord2ivARB(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord2sARB(target: GLenum; s: GLshort; t: GLshort); external dllname;
+  procedure glMultiTexCoord2svARB(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord3dARB(target: GLenum; s: GLdouble; t: GLdouble; r: GLdouble); external dllname;
+  procedure glMultiTexCoord3dvARB(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord3fARB(target: GLenum; s: GLfloat; t: GLfloat; r: GLfloat); external dllname;
+  procedure glMultiTexCoord3fvARB(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord3iARB(target: GLenum; s: GLint; t: GLint; r: GLint); external dllname;
+  procedure glMultiTexCoord3ivARB(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord3sARB(target: GLenum; s: GLshort; t: GLshort; r: GLshort); external dllname;
+  procedure glMultiTexCoord3svARB(target: GLenum; const v: PGLshort); external dllname;
+  procedure glMultiTexCoord4dARB(target: GLenum; s: GLdouble; t: GLdouble; r: GLdouble; q: GLdouble); external dllname;
+  procedure glMultiTexCoord4dvARB(target: GLenum; const v: PGLdouble); external dllname;
+  procedure glMultiTexCoord4fARB(target: GLenum; s: GLfloat; t: GLfloat; r: GLfloat; q: GLfloat); external dllname;
+  procedure glMultiTexCoord4fvARB(target: GLenum; const v: PGLfloat); external dllname;
+  procedure glMultiTexCoord4iARB(target: GLenum; s: GLint; t: GLint; r: GLint; q: GLint); external dllname;
+  procedure glMultiTexCoord4ivARB(target: GLenum; const v: PGLint); external dllname;
+  procedure glMultiTexCoord4sARB(target: GLenum; s: GLshort; t: GLshort; r: GLshort; q: GLshort); external dllname;
+  procedure glMultiTexCoord4svARB(target: GLenum; const v: PGLshort); external dllname;
+
+function Load_GL_ARB_multitexture: Boolean;
+
+//***** GL_ARB_transpose_matrix *****//
+const
+  GL_TRANSPOSE_MODELVIEW_MATRIX_ARB = $84E3;
+  GL_TRANSPOSE_PROJECTION_MATRIX_ARB = $84E4;
+  GL_TRANSPOSE_TEXTURE_MATRIX_ARB = $84E5;
+  GL_TRANSPOSE_COLOR_MATRIX_ARB = $84E6;
+
+  procedure glLoadTransposeMatrixfARB(m: PGLfloat); external dllname;
+  procedure glLoadTransposeMatrixdARB(m: PGLdouble); external dllname;
+  procedure glMultTransposeMatrixfARB(m: PGLfloat); external dllname;
+  procedure glMultTransposeMatrixdARB(m: PGLdouble); external dllname;
+
+function Load_GL_ARB_transpose_matrix: Boolean;
+
+//***** GL_ARB_multisample *****//
+const
+  WGL_SAMPLE_BUFFERS_ARB = $2041;
+  WGL_SAMPLES_ARB = $2042;
+  GL_MULTISAMPLE_ARB = $809D;
+  GL_SAMPLE_ALPHA_TO_COVERAGE_ARB = $809E;
+  GL_SAMPLE_ALPHA_TO_ONE_ARB = $809F;
+  GL_SAMPLE_COVERAGE_ARB = $80A0;
+  GL_MULTISAMPLE_BIT_ARB = $20000000;
+  GL_SAMPLE_BUFFERS_ARB = $80A8;
+  GL_SAMPLES_ARB = $80A9;
+  GL_SAMPLE_COVERAGE_VALUE_ARB = $80AA;
+  GL_SAMPLE_COVERAGE_INVERT_ARB = $80AB;
+
+procedure glSampleCoverageARB(value: GLclampf; invert: GLboolean); external dllname;
+
+function Load_GL_ARB_multisample: Boolean;
+
+//***** GL_ARB_texture_env_add *****//
+
+function Load_GL_ARB_texture_env_add: Boolean;
+
+
+//***** GL_ARB_texture_cube_map *****//
+const
+  GL_NORMAL_MAP_ARB = $8511;
+  GL_REFLECTION_MAP_ARB = $8512;
+  GL_TEXTURE_CUBE_MAP_ARB = $8513;
+  GL_TEXTURE_BINDING_CUBE_MAP_ARB = $8514;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB = $8515;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB = $8516;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB = $8517;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB = $8518;
+  GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB = $8519;
+  GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB = $851A;
+  GL_PROXY_TEXTURE_CUBE_MAP_ARB = $851B;
+  GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB = $851C;
+
+function Load_GL_ARB_texture_cube_map: Boolean;
+
+//***** GL_ARB_depth_texture *****//
+const
+  GL_DEPTH_COMPONENT16_ARB = $81A5;
+  GL_DEPTH_COMPONENT24_ARB = $81A6;
+  GL_DEPTH_COMPONENT32_ARB = $81A7;
+  GL_TEXTURE_DEPTH_SIZE_ARB = $884A;
+  GL_DEPTH_TEXTURE_MODE_ARB = $884B;
+
+function Load_GL_ARB_depth_texture: Boolean;
+
+//***** GL_ARB_point_parameters *****//
+const
+  GL_POINT_SIZE_MIN_ARB = $8126;
+  GL_POINT_SIZE_MAX_ARB = $8127;
+  GL_POINT_FADE_THRESHOLD_SIZE_ARB = $8128;
+  GL_POINT_DISTANCE_ATTENUATION_ARB = $8129;
+
+  procedure glPointParameterfARB(pname: GLenum; param: GLfloat); external dllname;
+  procedure glPointParameterfvARB(pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_ARB_point_parameters: Boolean;
+
+//***** GL_ARB_shadow *****//
+const
+  GL_TEXTURE_COMPARE_MODE_ARB = $884C;
+  GL_TEXTURE_COMPARE_FUNC_ARB = $884D;
+  GL_COMPARE_R_TO_TEXTURE_ARB = $884E;
+
+function Load_GL_ARB_shadow: Boolean;
+
+//***** GL_ARB_shadow_ambient *****//
+const
+  GL_TEXTURE_COMPARE_FAIL_VALUE_ARB = $80BF;
+
+function Load_GL_ARB_shadow_ambient: Boolean;
+
+//***** GL_ARB_texture_border_clamp *****//
+const
+  GL_CLAMP_TO_BORDER_ARB = $812D;
+
+function Load_GL_ARB_texture_border_clamp: Boolean;
+
+//***** GL_ARB_texture_compression *****//
+const
+  GL_COMPRESSED_ALPHA_ARB = $84E9;
+  GL_COMPRESSED_LUMINANCE_ARB = $84EA;
+  GL_COMPRESSED_LUMINANCE_ALPHA_ARB = $84EB;
+  GL_COMPRESSED_INTENSITY_ARB = $84EC;
+  GL_COMPRESSED_RGB_ARB = $84ED;
+  GL_COMPRESSED_RGBA_ARB = $84EE;
+  GL_TEXTURE_COMPRESSION_HINT_ARB = $84EF;
+  GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB = $86A0;
+  GL_TEXTURE_COMPRESSED_ARB = $86A1;
+  GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB = $86A2;
+  GL_COMPRESSED_TEXTURE_FORMATS_ARB = $86A3;
+
+  procedure glCompressedTexImage3DARB(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; depth: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexImage2DARB(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexImage1DARB(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; border: GLint; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage3DARB(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; zoffset: GLint; width: GLsizei; height: GLsizei; depth: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage2DARB(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; width: GLsizei; height: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glCompressedTexSubImage1DARB(target: GLenum; level: GLint; xoffset: GLint; width: GLsizei; format: GLenum; imageSize: GLsizei; const data: PGLvoid); external dllname;
+  procedure glGetCompressedTexImageARB(target: GLenum; lod: GLint; img: PGLvoid); external dllname;
+
+function Load_GL_ARB_texture_compression: Boolean;
+
+//***** GL_ARB_texture_env_combine *****//
+const
+  GL_COMBINE_ARB = $8570;
+  GL_COMBINE_RGB_ARB = $8571;
+  GL_COMBINE_ALPHA_ARB = $8572;
+  GL_SOURCE0_RGB_ARB = $8580;
+  GL_SOURCE1_RGB_ARB = $8581;
+  GL_SOURCE2_RGB_ARB = $8582;
+  GL_SOURCE0_ALPHA_ARB = $8588;
+  GL_SOURCE1_ALPHA_ARB = $8589;
+  GL_SOURCE2_ALPHA_ARB = $858A;
+  GL_OPERAND0_RGB_ARB = $8590;
+  GL_OPERAND1_RGB_ARB = $8591;
+  GL_OPERAND2_RGB_ARB = $8592;
+  GL_OPERAND0_ALPHA_ARB = $8598;
+  GL_OPERAND1_ALPHA_ARB = $8599;
+  GL_OPERAND2_ALPHA_ARB = $859A;
+  GL_RGB_SCALE_ARB = $8573;
+  GL_ADD_SIGNED_ARB = $8574;
+  GL_INTERPOLATE_ARB = $8575;
+  GL_SUBTRACT_ARB = $84E7;
+  GL_CONSTANT_ARB = $8576;
+  GL_PRIMARY_COLOR_ARB = $8577;
+  GL_PREVIOUS_ARB = $8578;
+
+function Load_GL_ARB_texture_env_combine: Boolean;
+
+//***** GL_ARB_texture_env_crossbar *****//
+
+function Load_GL_ARB_texture_env_crossbar: Boolean;
+
+//***** GL_ARB_texture_env_dot3 *****//
+const
+  GL_DOT3_RGB_ARB = $86AE;
+  GL_DOT3_RGBA_ARB = $86AF;
+
+function Load_GL_ARB_texture_env_dot3: Boolean;
+
+//***** GL_ARB_texture_mirrored_repeat *****//
+const
+  GL_MIRRORED_REPEAT_ARB = $8370;
+
+function Load_GL_ARB_texture_mirrored_repeat: Boolean;
+
+//***** GL_ARB_vertex_blend *****//
+const
+  GL_MAX_VERTEX_UNITS_ARB = $86A4;
+  GL_ACTIVE_VERTEX_UNITS_ARB = $86A5;
+  GL_WEIGHT_SUM_UNITY_ARB = $86A6;
+  GL_VERTEX_BLEND_ARB = $86A7;
+  GL_MODELVIEW0_ARB = $1700;
+  GL_MODELVIEW1_ARB = $850A;
+  GL_MODELVIEW2_ARB = $8722;
+  GL_MODELVIEW3_ARB = $8723;
+  GL_MODELVIEW4_ARB = $8724;
+  GL_MODELVIEW5_ARB = $8725;
+  GL_MODELVIEW6_ARB = $8726;
+  GL_MODELVIEW7_ARB = $8727;
+  GL_MODELVIEW8_ARB = $8728;
+  GL_MODELVIEW9_ARB = $8729;
+  GL_MODELVIEW10_ARB = $872A;
+  GL_MODELVIEW11_ARB = $872B;
+  GL_MODELVIEW12_ARB = $872C;
+  GL_MODELVIEW13_ARB = $872D;
+  GL_MODELVIEW14_ARB = $872E;
+  GL_MODELVIEW15_ARB = $872F;
+  GL_MODELVIEW16_ARB = $8730;
+  GL_MODELVIEW17_ARB = $8731;
+  GL_MODELVIEW18_ARB = $8732;
+  GL_MODELVIEW19_ARB = $8733;
+  GL_MODELVIEW20_ARB = $8734;
+  GL_MODELVIEW21_ARB = $8735;
+  GL_MODELVIEW22_ARB = $8736;
+  GL_MODELVIEW23_ARB = $8737;
+  GL_MODELVIEW24_ARB = $8738;
+  GL_MODELVIEW25_ARB = $8739;
+  GL_MODELVIEW26_ARB = $873A;
+  GL_MODELVIEW27_ARB = $873B;
+  GL_MODELVIEW28_ARB = $873C;
+  GL_MODELVIEW29_ARB = $873D;
+  GL_MODELVIEW30_ARB = $873E;
+  GL_MODELVIEW31_ARB = $873F;
+  GL_CURRENT_WEIGHT_ARB = $86A8;
+  GL_WEIGHT_ARRAY_TYPE_ARB = $86A9;
+  GL_WEIGHT_ARRAY_STRIDE_ARB = $86AA;
+  GL_WEIGHT_ARRAY_SIZE_ARB = $86AB;
+  GL_WEIGHT_ARRAY_POINTER_ARB = $86AC;
+  GL_WEIGHT_ARRAY_ARB = $86AD;
+
+  procedure glWeightbvARB(size: GLint; weights: PGLbyte); external dllname;
+  procedure glWeightsvARB(size: GLint; weights: PGLshort); external dllname;
+  procedure glWeightivARB(size: GLint; weights: PGLint); external dllname;
+  procedure glWeightfvARB(size: GLint; weights: PGLfloat); external dllname;
+  procedure glWeightdvARB(size: GLint; weights: PGLdouble); external dllname;
+  procedure glWeightvARB(size: GLint; weights: PGLdouble); external dllname;
+  procedure glWeightubvARB(size: GLint; weights: PGLubyte); external dllname;
+  procedure glWeightusvARB(size: GLint; weights: PGLushort); external dllname;
+  procedure glWeightuivARB(size: GLint; weights: PGLuint); external dllname;
+  procedure glWeightPointerARB(size: GLint; thetype: GLenum; stride: GLsizei; pointer: PGLvoid); external dllname;
+  procedure glVertexBlendARB(count: GLint); external dllname;
+
+function Load_GL_ARB_vertex_blend: Boolean;
+
+//***** GL_ARB_vertex_program *****//
+const
+  GL_VERTEX_PROGRAM_ARB = $8620;
+  GL_VERTEX_PROGRAM_POINT_SIZE_ARB = $8642;
+  GL_VERTEX_PROGRAM_TWO_SIDE_ARB = $8643;
+  GL_COLOR_SUM_ARB = $8458;
+  GL_PROGRAM_FORMAT_ASCII_ARB = $8875;
+  GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB = $8622;
+  GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB = $8623;
+  GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB = $8624;
+  GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB = $8625;
+  GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB = $886A;
+  GL_CURRENT_VERTEX_ATTRIB_ARB = $8626;
+  GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB = $8645;
+  GL_PROGRAM_LENGTH_ARB = $8627;
+  GL_PROGRAM_FORMAT_ARB = $8876;
+  GL_PROGRAM_BINDING_ARB = $8677;
+  GL_PROGRAM_INSTRUCTIONS_ARB = $88A0;
+  GL_MAX_PROGRAM_INSTRUCTIONS_ARB = $88A1;
+  GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB = $88A2;
+  GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = $88A3;
+  GL_PROGRAM_TEMPORARIES_ARB = $88A4;
+  GL_MAX_PROGRAM_TEMPORARIES_ARB = $88A5;
+  GL_PROGRAM_NATIVE_TEMPORARIES_ARB = $88A6;
+  GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = $88A7;
+  GL_PROGRAM_PARAMETERS_ARB = $88A8;
+  GL_MAX_PROGRAM_PARAMETERS_ARB = $88A9;
+  GL_PROGRAM_NATIVE_PARAMETERS_ARB = $88AA;
+  GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = $88AB;
+  GL_PROGRAM_ATTRIBS_ARB = $88AC;
+  GL_MAX_PROGRAM_ATTRIBS_ARB = $88AD;
+  GL_PROGRAM_NATIVE_ATTRIBS_ARB = $88AE;
+  GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = $88AF;
+  GL_PROGRAM_ADDRESS_REGISTERS_ARB = $88B0;
+  GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = $88B1;
+  GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = $88B2;
+  GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = $88B3;
+  GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = $88B4;
+  GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = $88B5;
+  GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB = $88B6;
+  GL_PROGRAM_STRING_ARB = $8628;
+  GL_PROGRAM_ERROR_POSITION_ARB = $864B;
+  GL_CURRENT_MATRIX_ARB = $8641;
+  GL_TRANSPOSE_CURRENT_MATRIX_ARB = $88B7;
+  GL_CURRENT_MATRIX_STACK_DEPTH_ARB = $8640;
+  GL_MAX_VERTEX_ATTRIBS_ARB = $8869;
+  GL_MAX_PROGRAM_MATRICES_ARB = $862F;
+  GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB = $862E;
+  GL_PROGRAM_ERROR_STRING_ARB = $8874;
+  GL_MATRIX0_ARB = $88C0;
+  GL_MATRIX1_ARB = $88C1;
+  GL_MATRIX2_ARB = $88C2;
+  GL_MATRIX3_ARB = $88C3;
+  GL_MATRIX4_ARB = $88C4;
+  GL_MATRIX5_ARB = $88C5;
+  GL_MATRIX6_ARB = $88C6;
+  GL_MATRIX7_ARB = $88C7;
+  GL_MATRIX8_ARB = $88C8;
+  GL_MATRIX9_ARB = $88C9;
+  GL_MATRIX10_ARB = $88CA;
+  GL_MATRIX11_ARB = $88CB;
+  GL_MATRIX12_ARB = $88CC;
+  GL_MATRIX13_ARB = $88CD;
+  GL_MATRIX14_ARB = $88CE;
+  GL_MATRIX15_ARB = $88CF;
+  GL_MATRIX16_ARB = $88D0;
+  GL_MATRIX17_ARB = $88D1;
+  GL_MATRIX18_ARB = $88D2;
+  GL_MATRIX19_ARB = $88D3;
+  GL_MATRIX20_ARB = $88D4;
+  GL_MATRIX21_ARB = $88D5;
+  GL_MATRIX22_ARB = $88D6;
+  GL_MATRIX23_ARB = $88D7;
+  GL_MATRIX24_ARB = $88D8;
+  GL_MATRIX25_ARB = $88D9;
+  GL_MATRIX26_ARB = $88DA;
+  GL_MATRIX27_ARB = $88DB;
+  GL_MATRIX28_ARB = $88DC;
+  GL_MATRIX29_ARB = $88DD;
+  GL_MATRIX30_ARB = $88DE;
+  GL_MATRIX31_ARB = $88DF;
+
+  procedure glVertexAttrib1sARB(index: GLuint; x: GLshort); external dllname;
+  procedure glVertexAttrib1fARB(index: GLuint; x: GLfloat); external dllname;
+  procedure glVertexAttrib1dARB(index: GLuint; x: GLdouble); external dllname;
+  procedure glVertexAttrib2sARB(index: GLuint; x: GLshort; y: GLshort); external dllname;
+  procedure glVertexAttrib2fARB(index: GLuint; x: GLfloat; y: GLfloat); external dllname;
+  procedure glVertexAttrib2dARB(index: GLuint; x: GLdouble; y: GLdouble); external dllname;
+  procedure glVertexAttrib3sARB(index: GLuint; x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glVertexAttrib3fARB(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glVertexAttrib3dARB(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glVertexAttrib4sARB(index: GLuint; x: GLshort; y: GLshort; z: GLshort; w: GLshort); external dllname;
+  procedure glVertexAttrib4fARB(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glVertexAttrib4dARB(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glVertexAttrib4NubARB(index: GLuint; x: GLubyte; y: GLubyte; z: GLubyte; w: GLubyte); external dllname;
+  procedure glVertexAttrib1svARB(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib1fvARB(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib1dvARB(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib2svARB(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib2fvARB(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib2dvARB(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib3svARB(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib3fvARB(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib3dvARB(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib4bvARB(index: GLuint; const v: PGLbyte); external dllname;
+  procedure glVertexAttrib4svARB(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4ivARB(index: GLuint; const v: PGLint); external dllname;
+  procedure glVertexAttrib4ubvARB(index: GLuint; const v: PGLubyte); external dllname;
+  procedure glVertexAttrib4usvARB(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib4uivARB(index: GLuint; const v: PGLuint); external dllname;
+  procedure glVertexAttrib4fvARB(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib4dvARB(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib4NbvARB(index: GLuint; const v: PGLbyte); external dllname;
+  procedure glVertexAttrib4NsvARB(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4NivARB(index: GLuint; const v: PGLint); external dllname;
+  procedure glVertexAttrib4NubvARB(index: GLuint; const v: PGLubyte); external dllname;
+  procedure glVertexAttrib4NusvARB(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib4NuivARB(index: GLuint; const v: PGLuint); external dllname;
+  procedure glVertexAttribPointerARB(index: GLuint; size: GLint; thetype: GLenum; normalized: GLboolean; stride: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glEnableVertexAttribArrayARB(index: GLuint); external dllname;
+  procedure glDisableVertexAttribArrayARB(index: GLuint); external dllname;
+  procedure glProgramStringARB(target: GLenum; format: GLenum; len: GLsizei; const str: PGLvoid); external dllname;
+  procedure glBindProgramARB(target: GLenum; theProgram: GLuint); external dllname;
+  procedure glDeleteProgramsARB(n: GLsizei; const programs: PGLuint); external dllname;
+  procedure glGenProgramsARB(n: GLsizei; programs: PGLuint); external dllname;
+  procedure glProgramEnvParameter4dARB(target: GLenum; index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glProgramEnvParameter4dvARB(target: GLenum; index: GLuint; const params: PGLdouble); external dllname;
+  procedure glProgramEnvParameter4fARB(target: GLenum; index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glProgramEnvParameter4fvARB(target: GLenum; index: GLuint; const params: PGLfloat); external dllname;
+  procedure glProgramLocalParameter4dARB(target: GLenum; index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glProgramLocalParameter4dvARB(target: GLenum; index: GLuint; const params: PGLdouble); external dllname;
+  procedure glProgramLocalParameter4fARB(target: GLenum; index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glProgramLocalParameter4fvARB(target: GLenum; index: GLuint; const params: PGLfloat); external dllname;
+  procedure glGetProgramEnvParameterdvARB(target: GLenum; index: GLuint; params: PGLdouble); external dllname;
+  procedure glGetProgramEnvParameterfvARB(target: GLenum; index: GLuint; params: PGLfloat); external dllname;
+  procedure glGetProgramLocalParameterdvARB(target: GLenum; index: GLuint; params: PGLdouble); external dllname;
+  procedure glGetProgramLocalParameterfvARB(target: GLenum; index: GLuint; params: PGLfloat); external dllname;
+  procedure glGetProgramivARB(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetProgramStringARB(target: GLenum; pname: GLenum; str: PGLvoid); external dllname;
+  procedure glGetVertexAttribdvARB(index: GLuint; pname: GLenum; params: PGLdouble); external dllname;
+  procedure glGetVertexAttribfvARB(index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetVertexAttribivARB(index: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetVertexAttribPointervARB(index: GLuint; pname: GLenum; pointer: PGLvoid); external dllname;
+  function glIsProgramARB(theProgram: GLuint): GLboolean; external dllname;
+
+function Load_GL_ARB_vertex_program: Boolean;
+
+//***** GL_ARB_window_pos *****//
+
+  procedure glWindowPos2dARB(x: GLdouble; y: GLdouble); external dllname;
+  procedure glWindowPos2fARB(x: GLfloat; y: GLfloat); external dllname;
+  procedure glWindowPos2iARB(x: GLint; y: GLint); external dllname;
+  procedure glWindowPos2sARB(x: GLshort; y: GLshort); external dllname;
+  procedure glWindowPos2dvARB(const p: PGLdouble); external dllname;
+  procedure glWindowPos2fvARB(const p: PGLfloat); external dllname;
+  procedure glWindowPos2ivARB(const p: PGLint); external dllname;
+  procedure glWindowPos2svARB(const p: PGLshort); external dllname;
+  procedure glWindowPos3dARB(x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glWindowPos3fARB(x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glWindowPos3iARB(x: GLint; y: GLint; z: GLint); external dllname;
+  procedure glWindowPos3sARB(x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glWindowPos3dvARB(const p: PGLdouble); external dllname;
+  procedure glWindowPos3fvARB(const p: PGLfloat); external dllname;
+  procedure glWindowPos3ivARB(const p: PGLint); external dllname;
+  procedure glWindowPos3svARB(const p: PGLshort); external dllname;
+
+function Load_GL_ARB_window_pos: Boolean;
+
+//***** GL_EXT_422_pixels *****//
+const
+  GL_422_EXT = $80CC;
+  GL_422_REV_EXT = $80CD;
+  GL_422_AVERAGE_EXT = $80CE;
+  GL_422_REV_AVERAGE_EXT = $80CF;
+
+function Load_GL_EXT_422_pixels: Boolean;
+
+//***** GL_EXT_abgr *****//
+const
+  GL_ABGR_EXT = $8000;
+
+function Load_GL_EXT_abgr: Boolean;
+
+//***** GL_EXT_bgra *****//
+const
+  GL_BGR_EXT = $80E0;
+  GL_BGRA_EXT = $80E1;
+
+function Load_GL_EXT_bgra: Boolean;
+
+//***** GL_EXT_blend_color *****//
+const
+  GL_CONSTANT_COLOR_EXT = $8001;
+  GL_ONE_MINUS_CONSTANT_COLOR_EXT = $8002;
+  GL_CONSTANT_ALPHA_EXT = $8003;
+  GL_ONE_MINUS_CONSTANT_ALPHA_EXT = $8004;
+  GL_BLEND_COLOR_EXT = $8005;
+
+  procedure glBlendColorEXT(red: GLclampf; green: GLclampf; blue: GLclampf; alpha: GLclampf); external dllname;
+
+function Load_GL_EXT_blend_color: Boolean;
+
+//***** GL_EXT_blend_func_separate *****//
+const
+  GL_BLEND_DST_RGB_EXT = $80C8;
+  GL_BLEND_SRC_RGB_EXT = $80C9;
+  GL_BLEND_DST_ALPHA_EXT = $80CA;
+  GL_BLEND_SRC_ALPHA_EXT = $80CB;
+
+procedure glBlendFuncSeparateEXT(sfactorRGB: GLenum; dfactorRGB: GLenum; sfactorAlpha: GLenum; dfactorAlpha: GLenum); external dllname;
+
+function Load_GL_EXT_blend_func_separate: Boolean;
+
+//***** GL_EXT_blend_logic_op *****//
+
+function Load_GL_EXT_blend_logic_op: Boolean;
+
+//***** GL_EXT_blend_minmax *****//
+const
+  GL_FUNC_ADD_EXT = $8006;
+  GL_MIN_EXT = $8007;
+  GL_MAX_EXT = $8008;
+  GL_BLEND_EQUATION_EXT = $8009;
+
+  procedure glBlendEquationEXT(mode: GLenum); external dllname;
+
+function Load_GL_EXT_blend_minmax: Boolean;
+
+//***** GL_EXT_blend_subtract *****//
+const
+  GL_FUNC_SUBTRACT_EXT = $800A;
+  GL_FUNC_REVERSE_SUBTRACT_EXT = $800B;
+
+function Load_GL_EXT_blend_subtract: Boolean;
+
+//***** GL_EXT_clip_volume_hint *****//
+const
+  GL_CLIP_VOLUME_CLIPPING_HINT_EXT = $80F0;
+
+function Load_GL_EXT_clip_volume_hint: Boolean;
+
+//***** GL_EXT_color_subtable *****//
+
+  procedure glColorSubTableEXT(target: GLenum; start: GLsizei; count: GLsizei; format: GLenum; thetype: GLenum; const data: PGLvoid); external dllname;
+  procedure glCopyColorSubTableEXT(target: GLenum; start: GLsizei; x: GLint; y: GLint; width: GLsizei); external dllname;
+
+function Load_GL_EXT_color_subtable: Boolean;
+
+//***** GL_EXT_compiled_vertex_array *****//
+const
+  GL_ARRAY_ELEMENT_LOCK_FIRST_EXT = $81A8;
+  GL_ARRAY_ELEMENT_LOCK_COUNT_EXT = $81A9;
+
+  procedure glLockArraysEXT(first: GLint; count: GLsizei); external dllname;
+  procedure glUnlockArraysEXT(); external dllname;
+
+function Load_GL_EXT_compiled_vertex_array: Boolean;
+
+//***** GL_EXT_convolution *****//
+const
+  GL_CONVOLUTION_1D_EXT = $8010;
+  GL_CONVOLUTION_2D_EXT = $8011;
+  GL_SEPARABLE_2D_EXT = $8012;
+  GL_CONVOLUTION_BORDER_MODE_EXT = $8013;
+  GL_CONVOLUTION_FILTER_SCALE_EXT = $8014;
+  GL_CONVOLUTION_FILTER_BIAS_EXT = $8015;
+  GL_REDUCE_EXT = $8016;
+  GL_CONVOLUTION_FORMAT_EXT = $8017;
+  GL_CONVOLUTION_WIDTH_EXT = $8018;
+  GL_CONVOLUTION_HEIGHT_EXT = $8019;
+  GL_MAX_CONVOLUTION_WIDTH_EXT = $801A;
+  GL_MAX_CONVOLUTION_HEIGHT_EXT = $801B;
+  GL_POST_CONVOLUTION_RED_SCALE_EXT = $801C;
+  GL_POST_CONVOLUTION_GREEN_SCALE_EXT = $801D;
+  GL_POST_CONVOLUTION_BLUE_SCALE_EXT = $801E;
+  GL_POST_CONVOLUTION_ALPHA_SCALE_EXT = $801F;
+  GL_POST_CONVOLUTION_RED_BIAS_EXT = $8020;
+  GL_POST_CONVOLUTION_GREEN_BIAS_EXT = $8021;
+  GL_POST_CONVOLUTION_BLUE_BIAS_EXT = $8022;
+  GL_POST_CONVOLUTION_ALPHA_BIAS_EXT = $8023;
+
+  procedure glConvolutionFilter1DEXT(target: GLenum; internalformat: GLenum; width: GLsizei; format: GLenum; thetype: GLenum; const image: PGLvoid); external dllname;
+  procedure glConvolutionFilter2DEXT(target: GLenum; internalformat: GLenum; width: GLsizei; height: GLsizei; format: GLenum; thetype: GLenum; const image: PGLvoid); external dllname;
+  procedure glCopyConvolutionFilter1DEXT(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei); external dllname;
+  procedure glCopyConvolutionFilter2DEXT(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei; height: GLsizei); external dllname;
+  procedure glGetConvolutionFilterEXT(target: GLenum; format: GLenum; thetype: GLenum; image: PGLvoid); external dllname;
+  procedure glSeparableFilter2DEXT(target: GLenum; internalformat: GLenum; width: GLsizei; height: GLsizei; format: GLenum; thetype: GLenum; const row: PGLvoid; const column: PGLvoid); external dllname;
+  procedure glGetSeparableFilterEXT(target: GLenum; format: GLenum; thetype: GLenum; row: PGLvoid; column: PGLvoid; span: PGLvoid); external dllname;
+  procedure glConvolutionParameteriEXT(target: GLenum; pname: GLenum; param: GLint); external dllname;
+  procedure glConvolutionParameterivEXT(target: GLenum; pname: GLenum; const params: PGLint); external dllname;
+  procedure glConvolutionParameterfEXT(target: GLenum; pname: GLenum; param: GLfloat); external dllname;
+  procedure glConvolutionParameterfvEXT(target: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glGetConvolutionParameterivEXT(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetConvolutionParameterfvEXT(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_EXT_convolution: Boolean;
+
+//***** GL_EXT_fog_coord *****//
+const
+  GL_FOG_COORDINATE_SOURCE_EXT = $8450;
+  GL_FOG_COORDINATE_EXT = $8451;
+  GL_FRAGMENT_DEPTH_EXT = $8452;
+  GL_CURRENT_FOG_COORDINATE_EXT = $8453;
+  GL_FOG_COORDINATE_ARRAY_TYPE_EXT = $8454;
+  GL_FOG_COORDINATE_ARRAY_STRIDE_EXT = $8455;
+  GL_FOG_COORDINATE_ARRAY_POINTER_EXT = $8456;
+  GL_FOG_COORDINATE_ARRAY_EXT = $8457;
+
+  procedure glFogCoordfEXfloat(coord: GLfloat); external dllname;
+  procedure glFogCoorddEXdouble(coord: GLdouble); external dllname;
+  procedure glFogCoordfvEXfloat(coord: GLfloat); external dllname;
+  procedure glFogCoorddvEXdouble(coord: GLdouble); external dllname;
+  procedure glFogCoordPointerEXT(thetype: GLenum; stride: GLsizei; pointer: PGLvoid); external dllname;
+
+function Load_GL_EXT_fog_coord: Boolean;
+
+//***** GL_EXT_histogram *****//
+const
+  GL_HISTOGRAM_EXT = $8024;
+  GL_PROXY_HISTOGRAM_EXT = $8025;
+  GL_HISTOGRAM_WIDTH_EXT = $8026;
+  GL_HISTOGRAM_FORMAT_EXT = $8027;
+  GL_HISTOGRAM_RED_SIZE_EXT = $8028;
+  GL_HISTOGRAM_GREEN_SIZE_EXT = $8029;
+  GL_HISTOGRAM_BLUE_SIZE_EXT = $802A;
+  GL_HISTOGRAM_ALPHA_SIZE_EXT = $802B;
+  GL_HISTOGRAM_LUMINANCE_SIZE_EXT = $802C;
+  GL_HISTOGRAM_SINK_EXT = $802D;
+  GL_MINMAX_EXT = $802E;
+  GL_MINMAX_FORMAT_EXT = $802F;
+  GL_MINMAX_SINK_EXT = $8030;
+
+  procedure glHistogramEXT(target: GLenum; width: GLsizei; internalformat: GLenum; sink: GLboolean); external dllname;
+  procedure glResetHistogramEXT(target: GLenum); external dllname;
+  procedure glGetHistogramEXT(target: GLenum; reset: GLboolean; format: GLenum; thetype: GLenum; values: PGLvoid); external dllname;
+  procedure glGetHistogramParameterivEXT(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetHistogramParameterfvEXT(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glMinmaxEXT(target: GLenum; internalformat: GLenum; sink: GLboolean); external dllname;
+  procedure glResetMinmaxEXT(target: GLenum); external dllname;
+  procedure glGetMinmaxEXT(target: GLenum; reset: GLboolean; format: GLenum; thetype: GLenum; values: PGLvoid); external dllname;
+  procedure glGetMinmaxParameterivEXT(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetMinmaxParameterfvEXT(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_EXT_histogram: Boolean;
+
+//***** GL_EXT_multi_draw_arrays *****//
+
+  procedure glMultiDrawArraysEXT(mode: GLenum; first: PGLint; count: PGLsizei; primcount: GLsizei); external dllname;
+  procedure glMultiDrawElementsEXT(mode: GLenum; count: PGLsizei; thetype: GLenum; const indices: PGLvoid; primcount: GLsizei); external dllname;
+
+function Load_GL_EXT_multi_draw_arrays: Boolean;
+
+//***** GL_EXT_packed_pixels *****//
+const
+  GL_UNSIGNED_BYTE_3_3_2_EXT = $8032;
+  GL_UNSIGNED_SHORT_4_4_4_4_EXT = $8033;
+  GL_UNSIGNED_SHORT_5_5_5_1_EXT = $8034;
+  GL_UNSIGNED_INT_8_8_8_8_EXT = $8035;
+  GL_UNSIGNED_INT_10_10_10_2_EXT = $8036;
+
+function Load_GL_EXT_packed_pixels: Boolean;
+
+//***** GL_EXT_paletted_texture *****//
+const
+  GL_COLOR_INDEX1_EXT = $80E2;
+  GL_COLOR_INDEX2_EXT = $80E3;
+  GL_COLOR_INDEX4_EXT = $80E4;
+  GL_COLOR_INDEX8_EXT = $80E5;
+  GL_COLOR_INDEX12_EXT = $80E6;
+  GL_COLOR_INDEX16_EXT = $80E7;
+  GL_COLOR_TABLE_FORMAT_EXT = $80D8;
+  GL_COLOR_TABLE_WIDTH_EXT = $80D9;
+  GL_COLOR_TABLE_RED_SIZE_EXT = $80DA;
+  GL_COLOR_TABLE_GREEN_SIZE_EXT = $80DB;
+  GL_COLOR_TABLE_BLUE_SIZE_EXT = $80DC;
+  GL_COLOR_TABLE_ALPHA_SIZE_EXT = $80DD;
+  GL_COLOR_TABLE_LUMINANCE_SIZE_EXT = $80DE;
+  GL_COLOR_TABLE_INTENSITY_SIZE_EXT = $80DF;
+  GL_TEXTURE_INDEX_SIZE_EXT = $80ED;
+  GL_TEXTURE_1D = $0DE0;
+  GL_TEXTURE_2D = $0DE1;
+  GL_TEXTURE_3D_EXT = $806F;
+  // GL_TEXTURE_CUBE_MAP_ARB  { already defined }
+  GL_PROXY_TEXTURE_1D = $8063;
+  GL_PROXY_TEXTURE_2D = $8064;
+  GL_PROXY_TEXTURE_3D_EXT = $8070;
+  // GL_PROXY_TEXTURE_CUBE_MAP_ARB  { already defined }
+  // GL_TEXTURE_1D  { already defined }
+  // GL_TEXTURE_2D  { already defined }
+  // GL_TEXTURE_3D_EXT  { already defined }
+  // GL_TEXTURE_CUBE_MAP_ARB  { already defined }
+
+  procedure glColorTableEXT(target: GLenum; internalFormat: GLenum; width: GLsizei; format: GLenum; thetype: GLenum; const data: PGLvoid); external dllname;
+  // glColorSubTableEXT  { already defined }
+  procedure glGetColorTableEXT(target: GLenum; format: GLenum; thetype: GLenum; data: PGLvoid); external dllname;
+  procedure glGetColorTableParameterivEXT(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetColorTableParameterfvEXT(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_EXT_paletted_texture: Boolean;
+
+//***** GL_EXT_point_parameters *****//
+const
+  GL_POINT_SIZE_MIN_EXT = $8126;
+  GL_POINT_SIZE_MAX_EXT = $8127;
+  GL_POINT_FADE_THRESHOLD_SIZE_EXT = $8128;
+  GL_DISTANCE_ATTENUATION_EXT = $8129;
+
+
+  procedure glPointParameterfEXT(pname: GLenum; param: GLfloat); external dllname;
+  procedure glPointParameterfvEXT(pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_EXT_point_parameters: Boolean;
+
+//***** GL_EXT_polygon_offset *****//
+const
+  GL_POLYGON_OFFSET_EXT = $8037;
+  GL_POLYGON_OFFSET_FACTOR_EXT = $8038;
+  GL_POLYGON_OFFSET_BIAS_EXT = $8039;
+  procedure glPolygonOffsetEXT(factor: GLfloat; bias: GLfloat); external dllname;
+
+function Load_GL_EXT_polygon_offset: Boolean;
+
+//***** GL_EXT_secondary_color *****//
+const
+  GL_COLOR_SUM_EXT = $8458;
+  GL_CURRENT_SECONDARY_COLOR_EXT = $8459;
+  GL_SECONDARY_COLOR_ARRAY_SIZE_EXT = $845A;
+  GL_SECONDARY_COLOR_ARRAY_TYPE_EXT = $845B;
+  GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT = $845C;
+  GL_SECONDARY_COLOR_ARRAY_POINTER_EXT = $845D;
+  GL_SECONDARY_COLOR_ARRAY_EXT = $845E;
+  procedure glSecondaryColor3bEXT(components: GLbyte); external dllname;
+  procedure glSecondaryColor3sEXT(components: GLshort); external dllname;
+  procedure glSecondaryColor3iEXT(components: GLint); external dllname;
+  procedure glSecondaryColor3fEXT(components: GLfloat); external dllname;
+  procedure glSecondaryColor3dEXT(components: GLdouble); external dllname;
+  procedure glSecondaryColor3ubEXT(components: GLubyte); external dllname;
+  procedure glSecondaryColor3usEXT(components: GLushort); external dllname;
+  procedure glSecondaryColor3uiEXT(components: GLuint); external dllname;
+  procedure glSecondaryColor3bvEXT(components: GLbyte); external dllname;
+  procedure glSecondaryColor3svEXT(components: GLshort); external dllname;
+  procedure glSecondaryColor3ivEXT(components: GLint); external dllname;
+  procedure glSecondaryColor3fvEXT(components: GLfloat); external dllname;
+  procedure glSecondaryColor3dvEXT(components: GLdouble); external dllname;
+  procedure glSecondaryColor3ubvEXT(components: GLubyte); external dllname;
+  procedure glSecondaryColor3usvEXT(components: GLushort); external dllname;
+  procedure glSecondaryColor3uivEXT(components: GLuint); external dllname;
+  procedure glSecondaryColorPointerEXT(size: GLint; thetype: GLenum; stride: GLsizei; pointer: PGLvoid); external dllname;
+
+function Load_GL_EXT_secondary_color: Boolean;
+
+//***** GL_EXT_separate_specular_color *****//
+const
+  GL_LIGHT_MODEL_COLOR_CONTROL_EXT = $81F8;
+  GL_SINGLE_COLOR_EXT = $81F9;
+  GL_SEPARATE_SPECULAR_COLOR_EXT = $81FA;
+
+function Load_GL_EXT_separate_specular_color: Boolean;
+
+//***** GL_EXT_shadow_funcs *****//
+
+function Load_GL_EXT_shadow_funcs: Boolean;
+
+//***** GL_EXT_shared_texture_palette *****//
+const
+  GL_SHARED_TEXTURE_PALETTE_EXT = $81FB;
+
+function Load_GL_EXT_shared_texture_palette: Boolean;
+
+//***** GL_EXT_stencil_two_side *****//
+const
+  GL_STENCIL_TEST_TWO_SIDE_EXT = $8910;
+  GL_ACTIVE_STENCIL_FACE_EXT = $8911;
+
+  procedure glActiveStencilFaceEXT(face: GLenum); external dllname;
+
+function Load_GL_EXT_stencil_two_side: Boolean;
+
+//***** GL_EXT_stencil_wrap *****//
+const
+  GL_INCR_WRAP_EXT = $8507;
+  GL_DECR_WRAP_EXT = $8508;
+
+function Load_GL_EXT_stencil_wrap: Boolean;
+
+//***** GL_EXT_subtexture *****//
+
+  procedure glTexSubImage1DEXT(target: GLenum; level: GLint; xoffset: GLint; width: GLsizei; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+  procedure glTexSubImage2DEXT(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; width: GLsizei; height: GLsizei; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+  procedure glTexSubImage3DEXT(target: GLenum; level: GLint; xoffset: GLint; yoffset: GLint; zoffset: GLint; width: GLsizei; height: GLsizei; depth: GLsizei; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+
+function Load_GL_EXT_subtexture: Boolean;
+
+//***** GL_EXT_texture3D *****//
+const
+  GL_PACK_SKIP_IMAGES_EXT = $806B;
+  GL_PACK_IMAGE_HEIGHT_EXT = $806C;
+  GL_UNPACK_SKIP_IMAGES_EXT = $806D;
+  GL_UNPACK_IMAGE_HEIGHT_EXT = $806E;
+  // GL_TEXTURE_3D_EXT  { already defined }
+  // GL_PROXY_TEXTURE_3D_EXT  { already defined }
+  GL_TEXTURE_DEPTH_EXT = $8071;
+  GL_TEXTURE_WRAP_R_EXT = $8072;
+  GL_MAX_3D_TEXTURE_SIZE_EXT = $8073;
+
+  procedure glTexImage3DEXT(target: GLenum; level: GLint; internalformat: GLenum; width: GLsizei; height: GLsizei; depth: GLsizei; border: GLint; format: GLenum; thetype: GLenum; const pixels: PGLvoid); external dllname;
+
+function Load_GL_EXT_texture3D: Boolean;
+
+//***** GL_EXT_texture_compression_s3tc *****//
+const
+  GL_COMPRESSED_RGB_S3TC_DXT1_EXT = $83F0;
+  GL_COMPRESSED_RGBA_S3TC_DXT1_EXT = $83F1;
+  GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = $83F2;
+  GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = $83F3;
+
+function Load_GL_EXT_texture_compression_s3tc: Boolean;
+
+//***** GL_EXT_texture_env_add *****//
+
+function Load_GL_EXT_texture_env_add: Boolean;
+
+//***** GL_EXT_texture_env_combine *****//
+const
+  GL_COMBINE_EXT = $8570;
+  GL_COMBINE_RGB_EXT = $8571;
+  GL_COMBINE_ALPHA_EXT = $8572;
+  GL_SOURCE0_RGB_EXT = $8580;
+  GL_SOURCE1_RGB_EXT = $8581;
+  GL_SOURCE2_RGB_EXT = $8582;
+  GL_SOURCE0_ALPHA_EXT = $8588;
+  GL_SOURCE1_ALPHA_EXT = $8589;
+  GL_SOURCE2_ALPHA_EXT = $858A;
+  GL_OPERAND0_RGB_EXT = $8590;
+  GL_OPERAND1_RGB_EXT = $8591;
+  GL_OPERAND2_RGB_EXT = $8592;
+  GL_OPERAND0_ALPHA_EXT = $8598;
+  GL_OPERAND1_ALPHA_EXT = $8599;
+  GL_OPERAND2_ALPHA_EXT = $859A;
+  GL_RGB_SCALE_EXT = $8573;
+  GL_ADD_SIGNED_EXT = $8574;
+  GL_INTERPOLATE_EXT = $8575;
+  GL_CONSTANT_EXT = $8576;
+  GL_PRIMARY_COLOR_EXT = $8577;
+  GL_PREVIOUS_EXT = $8578;
+
+function Load_GL_EXT_texture_env_combine: Boolean;
+
+//***** GL_EXT_texture_env_dot3 *****//
+const
+  GL_DOT3_RGB_EXT = $8740;
+  GL_DOT3_RGBA_EXT = $8741;
+
+function Load_GL_EXT_texture_env_dot3: Boolean;
+
+//***** GL_EXT_texture_filter_anisotropic *****//
+const
+  GL_TEXTURE_MAX_ANISOTROPY_EXT = $84FE;
+  GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT = $84FF;
+
+function Load_GL_EXT_texture_filter_anisotropic: Boolean;
+
+//***** GL_EXT_texture_lod_bias *****//
+const
+  GL_TEXTURE_FILTER_CONTROL_EXT = $8500;
+  GL_TEXTURE_LOD_BIAS_EXT = $8501;
+  GL_MAX_TEXTURE_LOD_BIAS_EXT = $84FD;
+
+function Load_GL_EXT_texture_lod_bias: Boolean;
+
+//***** GL_EXT_texture_object *****//
+const
+  GL_TEXTURE_PRIORITY_EXT = $8066;
+  GL_TEXTURE_RESIDENT_EXT = $8067;
+  GL_TEXTURE_1D_BINDING_EXT = $8068;
+  GL_TEXTURE_2D_BINDING_EXT = $8069;
+  GL_TEXTURE_3D_BINDING_EXT = $806A;
+
+  procedure glGenTexturesEXT(n: GLsizei; textures: PGLuint); external dllname;
+  procedure glDeleteTexturesEXT(n: GLsizei; const textures: PGLuint); external dllname;
+  procedure glBindTextureEXT(target: GLenum; texture: GLuint); external dllname;
+  procedure glPrioritizeTexturesEXT(n: GLsizei; const textures: PGLuint; const priorities: PGLclampf); external dllname;
+  function glAreTexturesResidentEXT(n: GLsizei; const textures: PGLuint; residences: PGLboolean): GLboolean; external dllname;
+  function glIsTextureEXT(texture: GLuint): GLboolean; external dllname;
+
+function Load_GL_EXT_texture_object: Boolean;
+
+//***** GL_EXT_vertex_array *****//
+const
+  GL_VERTEX_ARRAY_EXT = $8074;
+  GL_NORMAL_ARRAY_EXT = $8075;
+  GL_COLOR_ARRAY_EXT = $8076;
+  GL_INDEX_ARRAY_EXT = $8077;
+  GL_TEXTURE_COORD_ARRAY_EXT = $8078;
+  GL_EDGE_FLAG_ARRAY_EXT = $8079;
+  GL_DOUBLE_EXT = $140A;
+  GL_VERTEX_ARRAY_SIZE_EXT = $807A;
+  GL_VERTEX_ARRAY_TYPE_EXT = $807B;
+  GL_VERTEX_ARRAY_STRIDE_EXT = $807C;
+  GL_VERTEX_ARRAY_COUNT_EXT = $807D;
+  GL_NORMAL_ARRAY_TYPE_EXT = $807E;
+  GL_NORMAL_ARRAY_STRIDE_EXT = $807F;
+  GL_NORMAL_ARRAY_COUNT_EXT = $8080;
+  GL_COLOR_ARRAY_SIZE_EXT = $8081;
+  GL_COLOR_ARRAY_TYPE_EXT = $8082;
+  GL_COLOR_ARRAY_STRIDE_EXT = $8083;
+  GL_COLOR_ARRAY_COUNT_EXT = $8084;
+  GL_INDEX_ARRAY_TYPE_EXT = $8085;
+  GL_INDEX_ARRAY_STRIDE_EXT = $8086;
+  GL_INDEX_ARRAY_COUNT_EXT = $8087;
+  GL_TEXTURE_COORD_ARRAY_SIZE_EXT = $8088;
+  GL_TEXTURE_COORD_ARRAY_TYPE_EXT = $8089;
+  GL_TEXTURE_COORD_ARRAY_STRIDE_EXT = $808A;
+  GL_TEXTURE_COORD_ARRAY_COUNT_EXT = $808B;
+  GL_EDGE_FLAG_ARRAY_STRIDE_EXT = $808C;
+  GL_EDGE_FLAG_ARRAY_COUNT_EXT = $808D;
+  GL_VERTEX_ARRAY_POINTER_EXT = $808E;
+  GL_NORMAL_ARRAY_POINTER_EXT = $808F;
+  GL_COLOR_ARRAY_POINTER_EXT = $8090;
+  GL_INDEX_ARRAY_POINTER_EXT = $8091;
+  GL_TEXTURE_COORD_ARRAY_POINTER_EXT = $8092;
+  GL_EDGE_FLAG_ARRAY_POINTER_EXT = $8093;
+
+  procedure glArrayElementEXT(i: GLint); external dllname;
+  procedure glDrawArraysEXT(mode: GLenum; first: GLint; count: GLsizei); external dllname;
+  procedure glVertexPointerEXT(size: GLint; thetype: GLenum; stride: GLsizei; count: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glNormalPointerEXT(thetype: GLenum; stride: GLsizei; count: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glColorPointerEXT(size: GLint; thetype: GLenum; stride: GLsizei; count: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glIndexPointerEXT(thetype: GLenum; stride: GLsizei; count: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glTexCoordPointerEXT(size: GLint; thetype: GLenum; stride: GLsizei; count: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glEdgeFlagPointerEXT(stride: GLsizei; count: GLsizei; const pointer: PGLboolean); external dllname;
+  procedure glGetPointervEXT(pname: GLenum; params: PGLvoid); external dllname;
+
+function Load_GL_EXT_vertex_array: Boolean;
+
+//***** GL_EXT_vertex_shader *****//
+const
+  GL_VERTEX_SHADER_EXT = $8780;
+  GL_VARIANT_VALUE_EXT = $87E4;
+  GL_VARIANT_DATATYPE_EXT = $87E5;
+  GL_VARIANT_ARRAY_STRIDE_EXT = $87E6;
+  GL_VARIANT_ARRAY_TYPE_EXT = $87E7;
+  GL_VARIANT_ARRAY_EXT = $87E8;
+  GL_VARIANT_ARRAY_POINTER_EXT = $87E9;
+  GL_INVARIANT_VALUE_EXT = $87EA;
+  GL_INVARIANT_DATATYPE_EXT = $87EB;
+  GL_LOCAL_CONSTANT_VALUE_EXT = $87EC;
+  GL_LOCAL_CONSTANT_DATATYPE_EXT = $87ED;
+  GL_OP_INDEX_EXT = $8782;
+  GL_OP_NEGATE_EXT = $8783;
+  GL_OP_DOT3_EXT = $8784;
+  GL_OP_DOT4_EXT = $8785;
+  GL_OP_MUL_EXT = $8786;
+  GL_OP_ADD_EXT = $8787;
+  GL_OP_MADD_EXT = $8788;
+  GL_OP_FRAC_EXT = $8789;
+  GL_OP_MAX_EXT = $878A;
+  GL_OP_MIN_EXT = $878B;
+  GL_OP_SET_GE_EXT = $878C;
+  GL_OP_SET_LT_EXT = $878D;
+  GL_OP_CLAMP_EXT = $878E;
+  GL_OP_FLOOR_EXT = $878F;
+  GL_OP_ROUND_EXT = $8790;
+  GL_OP_EXP_BASE_2_EXT = $8791;
+  GL_OP_LOG_BASE_2_EXT = $8792;
+  GL_OP_POWER_EXT = $8793;
+  GL_OP_RECIP_EXT = $8794;
+  GL_OP_RECIP_SQRT_EXT = $8795;
+  GL_OP_SUB_EXT = $8796;
+  GL_OP_CROSS_PRODUCT_EXT = $8797;
+  GL_OP_MULTIPLY_MATRIX_EXT = $8798;
+  GL_OP_MOV_EXT = $8799;
+  GL_OUTPUT_VERTEX_EXT = $879A;
+  GL_OUTPUT_COLOR0_EXT = $879B;
+  GL_OUTPUT_COLOR1_EXT = $879C;
+  GL_OUTPUT_TEXTURE_COORD0_EXT = $879D;
+  GL_OUTPUT_TEXTURE_COORD1_EXT = $879E;
+  GL_OUTPUT_TEXTURE_COORD2_EXT = $879F;
+  GL_OUTPUT_TEXTURE_COORD3_EXT = $87A0;
+  GL_OUTPUT_TEXTURE_COORD4_EXT = $87A1;
+  GL_OUTPUT_TEXTURE_COORD5_EXT = $87A2;
+  GL_OUTPUT_TEXTURE_COORD6_EXT = $87A3;
+  GL_OUTPUT_TEXTURE_COORD7_EXT = $87A4;
+  GL_OUTPUT_TEXTURE_COORD8_EXT = $87A5;
+  GL_OUTPUT_TEXTURE_COORD9_EXT = $87A6;
+  GL_OUTPUT_TEXTURE_COORD10_EXT = $87A7;
+  GL_OUTPUT_TEXTURE_COORD11_EXT = $87A8;
+  GL_OUTPUT_TEXTURE_COORD12_EXT = $87A9;
+  GL_OUTPUT_TEXTURE_COORD13_EXT = $87AA;
+  GL_OUTPUT_TEXTURE_COORD14_EXT = $87AB;
+  GL_OUTPUT_TEXTURE_COORD15_EXT = $87AC;
+  GL_OUTPUT_TEXTURE_COORD16_EXT = $87AD;
+  GL_OUTPUT_TEXTURE_COORD17_EXT = $87AE;
+  GL_OUTPUT_TEXTURE_COORD18_EXT = $87AF;
+  GL_OUTPUT_TEXTURE_COORD19_EXT = $87B0;
+  GL_OUTPUT_TEXTURE_COORD20_EXT = $87B1;
+  GL_OUTPUT_TEXTURE_COORD21_EXT = $87B2;
+  GL_OUTPUT_TEXTURE_COORD22_EXT = $87B3;
+  GL_OUTPUT_TEXTURE_COORD23_EXT = $87B4;
+  GL_OUTPUT_TEXTURE_COORD24_EXT = $87B5;
+  GL_OUTPUT_TEXTURE_COORD25_EXT = $87B6;
+  GL_OUTPUT_TEXTURE_COORD26_EXT = $87B7;
+  GL_OUTPUT_TEXTURE_COORD27_EXT = $87B8;
+  GL_OUTPUT_TEXTURE_COORD28_EXT = $87B9;
+  GL_OUTPUT_TEXTURE_COORD29_EXT = $87BA;
+  GL_OUTPUT_TEXTURE_COORD30_EXT = $87BB;
+  GL_OUTPUT_TEXTURE_COORD31_EXT = $87BC;
+  GL_OUTPUT_FOG_EXT = $87BD;
+  GL_SCALAR_EXT = $87BE;
+  GL_VECTOR_EXT = $87BF;
+  GL_MATRIX_EXT = $87C0;
+  GL_VARIANT_EXT = $87C1;
+  GL_INVARIANT_EXT = $87C2;
+  GL_LOCAL_CONSTANT_EXT = $87C3;
+  GL_LOCAL_EXT = $87C4;
+  GL_MAX_VERTEX_SHADER_INSTRUCTIONS_EXT = $87C5;
+  GL_MAX_VERTEX_SHADER_VARIANTS_EXT = $87C6;
+  GL_MAX_VERTEX_SHADER_INVARIANTS_EXT = $87C7;
+  GL_MAX_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87C8;
+  GL_MAX_VERTEX_SHADER_LOCALS_EXT = $87C9;
+  GL_MAX_OPTIMIZED_VERTEX_SHADER_INSTRUCTIONS_EXT = $87CA;
+  GL_MAX_OPTIMIZED_VERTEX_SHADER_VARIANTS_EXT = $87CB;
+  GL_MAX_OPTIMIZED_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87CC;
+  GL_MAX_OPTIMIZED_VERTEX_SHADER_INVARIANTS_EXT = $87CD;
+  GL_MAX_OPTIMIZED_VERTEX_SHADER_LOCALS_EXT = $87CE;
+  GL_VERTEX_SHADER_INSTRUCTIONS_EXT = $87CF;
+  GL_VERTEX_SHADER_VARIANTS_EXT = $87D0;
+  GL_VERTEX_SHADER_INVARIANTS_EXT = $87D1;
+  GL_VERTEX_SHADER_LOCAL_CONSTANTS_EXT = $87D2;
+  GL_VERTEX_SHADER_LOCALS_EXT = $87D3;
+  GL_VERTEX_SHADER_BINDING_EXT = $8781;
+  GL_VERTEX_SHADER_OPTIMIZED_EXT = $87D4;
+  GL_X_EXT = $87D5;
+  GL_Y_EXT = $87D6;
+  GL_Z_EXT = $87D7;
+  GL_W_EXT = $87D8;
+  GL_NEGATIVE_X_EXT = $87D9;
+  GL_NEGATIVE_Y_EXT = $87DA;
+  GL_NEGATIVE_Z_EXT = $87DB;
+  GL_NEGATIVE_W_EXT = $87DC;
+  GL_ZERO_EXT = $87DD;
+  GL_ONE_EXT = $87DE;
+  GL_NEGATIVE_ONE_EXT = $87DF;
+  GL_NORMALIZED_RANGE_EXT = $87E0;
+  GL_FULL_RANGE_EXT = $87E1;
+  GL_CURRENT_VERTEX_EXT = $87E2;
+  GL_MVP_MATRIX_EXT = $87E3;
+
+  procedure glBeginVertexShaderEXT(); external dllname;
+  procedure glEndVertexShaderEXT(); external dllname;
+  procedure glBindVertexShaderEXT(id: GLuint); external dllname;
+  function glGenVertexShadersEXT(range: GLuint): GLuint; external dllname;
+  procedure glDeleteVertexShaderEXT(id: GLuint); external dllname;
+  procedure glShaderOp1EXT(op: GLenum; res: GLuint; arg1: GLuint); external dllname;
+  procedure glShaderOp2EXT(op: GLenum; res: GLuint; arg1: GLuint; arg2: GLuint); external dllname;
+  procedure glShaderOp3EXT(op: GLenum; res: GLuint; arg1: GLuint; arg2: GLuint; arg3: GLuint); external dllname;
+  procedure glSwizzleEXT(res: GLuint; theIn: GLuint; outX: GLenum; outY: GLenum; outZ: GLenum; outW: GLenum); external dllname;
+  procedure glWriteMaskEXT(res: GLuint; theIn: GLuint; outX: GLenum; outY: GLenum; outZ: GLenum; outW: GLenum); external dllname;
+  procedure glInsertComponentEXT(res: GLuint; src: GLuint; num: GLuint); external dllname;
+  procedure glExtractComponentEXT(res: GLuint; src: GLuint; num: GLuint); external dllname;
+  function glGenSymbolsEXT(datatype: GLenum; storagetype: GLenum; range: GLenum; components: GLuint): GLuint; external dllname;
+  procedure glSetInvariantEXT(id: GLuint; thetype: GLenum; addr: PGLvoid); external dllname;
+  procedure glSetLocalConstantEXT(id: GLuint; thetype: GLenum; addr: PGLvoid); external dllname;
+  procedure glVariantbvEXT(id: GLuint; addr: PGLbyte); external dllname;
+  procedure glVariantsvEXT(id: GLuint; addr: PGLshort); external dllname;
+  procedure glVariantivEXT(id: GLuint; addr: PGLint); external dllname;
+  procedure glVariantfvEXT(id: GLuint; addr: PGLfloat); external dllname;
+  procedure glVariantdvEXT(id: GLuint; addr: PGLdouble); external dllname;
+  procedure glVariantubvEXT(id: GLuint; addr: PGLubyte); external dllname;
+  procedure glVariantusvEXT(id: GLuint; addr: PGLushort); external dllname;
+  procedure glVariantuivEXT(id: GLuint; addr: PGLuint); external dllname;
+  procedure glVariantPointerEXT(id: GLuint; thetype: GLenum; stride: GLuint; addr: PGLvoid); external dllname;
+  procedure glEnableVariantClientStateEXT(id: GLuint); external dllname;
+  procedure glDisableVariantClientStateEXT(id: GLuint); external dllname;
+  function glBindLightParameterEXT(light: GLenum; value: GLenum): GLuint; external dllname;
+  function glBindMaterialParameterEXT(face: GLenum; value: GLenum): GLuint; external dllname;
+  function glBindTexGenParameterEXT(theunit: GLenum; coord: GLenum; value: GLenum): GLuint; external dllname;
+  function glBindTextureUnitParameterEXT(theunit: GLenum; value: GLenum): GLuint; external dllname;
+  function glBindParameterEXT(value: GLenum): GLuint; external dllname;
+  function glIsVariantEnabledEXT(id: GLuint; cap: GLenum): GLboolean; external dllname;
+  procedure glGetVariantBooleanvEXT(id: GLuint; value: GLenum; data: PGLboolean); external dllname;
+  procedure glGetVariantIntegervEXT(id: GLuint; value: GLenum; data: PGLint); external dllname;
+  procedure glGetVariantFloatvEXT(id: GLuint; value: GLenum; data: PGLfloat); external dllname;
+  procedure glGetVariantPointervEXT(id: GLuint; value: GLenum; data: PGLvoid); external dllname;
+  procedure glGetInvariantBooleanvEXT(id: GLuint; value: GLenum; data: PGLboolean); external dllname;
+  procedure glGetInvariantIntegervEXT(id: GLuint; value: GLenum; data: PGLint); external dllname;
+  procedure glGetInvariantFloatvEXT(id: GLuint; value: GLenum; data: PGLfloat); external dllname;
+  procedure glGetLocalConstantBooleanvEXT(id: GLuint; value: GLenum; data: PGLboolean); external dllname;
+  procedure glGetLocalConstantIntegervEXT(id: GLuint; value: GLenum; data: PGLint); external dllname;
+  procedure glGetLocalConstantFloatvEXT(id: GLuint; value: GLenum; data: PGLfloat); external dllname;
+
+function Load_GL_EXT_vertex_shader: Boolean;
+
+//***** GL_EXT_vertex_weighting *****//
+const
+  GL_VERTEX_WEIGHTING_EXT = $8509;
+  GL_MODELVIEW0_EXT = $1700;
+  GL_MODELVIEW1_EXT = $850A;
+  GL_MODELVIEW0_MATRIX_EXT = $0BA6;
+  GL_MODELVIEW1_MATRIX_EXT = $8506;
+  GL_CURRENT_VERTEX_WEIGHT_EXT = $850B;
+  GL_VERTEX_WEIGHT_ARRAY_EXT = $850C;
+  GL_VERTEX_WEIGHT_ARRAY_SIZE_EXT = $850D;
+  GL_VERTEX_WEIGHT_ARRAY_TYPE_EXT = $850E;
+  GL_VERTEX_WEIGHT_ARRAY_STRIDE_EXT = $850F;
+  GL_MODELVIEW0_STACK_DEPTH_EXT = $0BA3;
+  GL_MODELVIEW1_STACK_DEPTH_EXT = $8502;
+  GL_VERTEX_WEIGHT_ARRAY_POINTER_EXT = $8510;
+
+  procedure glVertexWeightfEXT(weight: GLfloat); external dllname;
+  procedure glVertexWeightfvEXT(weight: PGLfloat); external dllname;
+  procedure glVertexWeightPointerEXT(size: GLint; thetype: GLenum; stride: GLsizei; pointer: PGLvoid); external dllname;
+
+function Load_GL_EXT_vertex_weighting: Boolean;
+
+//***** GL_HP_occlusion_test *****//
+const
+  GL_OCCLUSION_TEST_HP = $8165;
+  GL_OCCLUSION_TEST_RESULT_HP = $8166;
+
+function Load_GL_HP_occlusion_test: Boolean;
+
+//***** GL_NV_blend_square *****//
+
+function Load_GL_NV_blend_square: Boolean;
+
+//***** GL_NV_copy_depth_to_color *****//
+const
+  GL_DEPTH_STENCIL_TO_RGBA_NV = $886E;
+  GL_DEPTH_STENCIL_TO_BGRA_NV = $886F;
+
+function Load_GL_NV_copy_depth_to_color: Boolean;
+
+//***** GL_NV_depth_clamp *****//
+const
+  GL_DEPTH_CLAMP_NV = $864F;
+
+function Load_GL_NV_depth_clamp: Boolean;
+
+//***** GL_NV_evaluators *****//
+const
+  GL_EVAL_2D_NV = $86C0;
+  GL_EVAL_TRIANGULAR_2D_NV = $86C1;
+  GL_MAP_TESSELLATION_NV = $86C2;
+  GL_MAP_ATTRIB_U_ORDER_NV = $86C3;
+  GL_MAP_ATTRIB_V_ORDER_NV = $86C4;
+  GL_EVAL_FRACTIONAL_TESSELLATION_NV = $86C5;
+  GL_EVAL_VERTEX_ATTRIB0_NV = $86C6;
+  GL_EVAL_VERTEX_ATTRIB1_NV = $86C7;
+  GL_EVAL_VERTEX_ATTRIB2_NV = $86C8;
+  GL_EVAL_VERTEX_ATTRIB3_NV = $86C9;
+  GL_EVAL_VERTEX_ATTRIB4_NV = $86CA;
+  GL_EVAL_VERTEX_ATTRIB5_NV = $86CB;
+  GL_EVAL_VERTEX_ATTRIB6_NV = $86CC;
+  GL_EVAL_VERTEX_ATTRIB7_NV = $86CD;
+  GL_EVAL_VERTEX_ATTRIB8_NV = $86CE;
+  GL_EVAL_VERTEX_ATTRIB9_NV = $86CF;
+  GL_EVAL_VERTEX_ATTRIB10_NV = $86D0;
+  GL_EVAL_VERTEX_ATTRIB11_NV = $86D1;
+  GL_EVAL_VERTEX_ATTRIB12_NV = $86D2;
+  GL_EVAL_VERTEX_ATTRIB13_NV = $86D3;
+  GL_EVAL_VERTEX_ATTRIB14_NV = $86D4;
+  GL_EVAL_VERTEX_ATTRIB15_NV = $86D5;
+  GL_MAX_MAP_TESSELLATION_NV = $86D6;
+  GL_MAX_RATIONAL_EVAL_ORDER_NV = $86D7;
+
+  procedure glMapControlPointsNV(target: GLenum; index: GLuint; thetype: GLenum; ustride: GLsizei; vstride: GLsizei; uorder: GLint; vorder: GLint; thepacked: GLboolean; const points: PGLvoid); external dllname;
+  procedure glMapParameterivNV(target: GLenum; pname: GLenum; const params: PGLint); external dllname;
+  procedure glMapParameterfvNV(target: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glGetMapControlPointsNV(target: GLenum; index: GLuint; thetype: GLenum; ustride: GLsizei; vstride: GLsizei; thepacked: GLboolean; points: PGLvoid); external dllname;
+  procedure glGetMapParameterivNV(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetMapParameterfvNV(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetMapAttribParameterivNV(target: GLenum; index: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetMapAttribParameterfvNV(target: GLenum; index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glEvalMapsNV(target: GLenum; mode: GLenum); external dllname;
+
+function Load_GL_NV_evaluators: Boolean;
+
+//***** GL_NV_fence *****//
+const
+  GL_ALL_COMPLETED_NV = $84F2;
+  GL_FENCE_STATUS_NV = $84F3;
+  GL_FENCE_CONDITION_NV = $84F4;
+
+  procedure glGenFencesNV(n: GLsizei; fences: PGLuint); external dllname;
+  procedure glDeleteFencesNV(n: GLsizei; const fences: PGLuint); external dllname;
+  procedure glSetFenceNV(fence: GLuint; condition: GLenum); external dllname;
+  function glTestFenceNV(fence: GLuint): GLboolean; external dllname;
+  procedure glFinishFenceNV(fence: GLuint); external dllname;
+  function glIsFenceNV(fence: GLuint): GLboolean; external dllname;
+  procedure glGetFenceivNV(fence: GLuint; pname: GLenum; params: PGLint); external dllname;
+
+function Load_GL_NV_fence: Boolean;
+
+//***** GL_NV_fog_distance *****//
+const
+  GL_FOG_DISTANCE_MODE_NV = $855A;
+  GL_EYE_RADIAL_NV = $855B;
+  GL_EYE_PLANE_ABSOLUTE_NV = $855C;
+
+function Load_GL_NV_fog_distance: Boolean;
+
+//***** GL_NV_light_max_exponent *****//
+const
+  GL_MAX_SHININESS_NV = $8504;
+  GL_MAX_SPOT_EXPONENT_NV = $8505;
+
+function Load_GL_NV_light_max_exponent: Boolean;
+
+//***** GL_NV_multisample_filter_hint *****//
+const
+  GL_MULTISAMPLE_FILTER_HINT_NV = $8534;
+
+function Load_GL_NV_multisample_filter_hint: Boolean;
+
+//***** GL_NV_occlusion_query *****//
+  // GL_OCCLUSION_TEST_HP  { already defined }
+  // GL_OCCLUSION_TEST_RESULT_HP  { already defined }
+const
+  GL_PIXEL_COUNTER_BITS_NV = $8864;
+  GL_CURRENT_OCCLUSION_QUERY_ID_NV = $8865;
+  GL_PIXEL_COUNT_NV = $8866;
+  GL_PIXEL_COUNT_AVAILABLE_NV = $8867;
+
+  procedure glGenOcclusionQueriesNV(n: GLsizei; ids: PGLuint); external dllname;
+  procedure glDeleteOcclusionQueriesNV(n: GLsizei; const ids: PGLuint); external dllname;
+  function glIsOcclusionQueryNV(id: GLuint): GLboolean; external dllname;
+  procedure glBeginOcclusionQueryNV(id: GLuint); external dllname;
+  procedure glEndOcclusionQueryNV(); external dllname;
+  procedure glGetOcclusionQueryivNV(id: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetOcclusionQueryuivNV(id: GLuint; pname: GLenum; params: PGLuint); external dllname;
+
+function Load_GL_NV_occlusion_query: Boolean;
+
+//***** GL_NV_packed_depth_stencil *****//
+const
+  GL_DEPTH_STENCIL_NV = $84F9;
+  GL_UNSIGNED_INT_24_8_NV = $84FA;
+
+function Load_GL_NV_packed_depth_stencil: Boolean;
+
+//***** GL_NV_point_sprite *****//
+const
+  GL_POINT_SPRITE_NV = $8861;
+  GL_COORD_REPLACE_NV = $8862;
+  GL_POINT_SPRITE_R_MODE_NV = $8863;
+
+  procedure glPointParameteriNV(pname: GLenum; param: GLint); external dllname;
+  procedure glPointParameterivNV(pname: GLenum; const params: PGLint); external dllname;
+
+function Load_GL_NV_point_sprite: Boolean;
+
+//***** GL_NV_register_combiners *****//
+const
+  GL_REGISTER_COMBINERS_NV = $8522;
+  GL_COMBINER0_NV = $8550;
+  GL_COMBINER1_NV = $8551;
+  GL_COMBINER2_NV = $8552;
+  GL_COMBINER3_NV = $8553;
+  GL_COMBINER4_NV = $8554;
+  GL_COMBINER5_NV = $8555;
+  GL_COMBINER6_NV = $8556;
+  GL_COMBINER7_NV = $8557;
+  GL_VARIABLE_A_NV = $8523;
+  GL_VARIABLE_B_NV = $8524;
+  GL_VARIABLE_C_NV = $8525;
+  GL_VARIABLE_D_NV = $8526;
+  GL_VARIABLE_E_NV = $8527;
+  GL_VARIABLE_F_NV = $8528;
+  GL_VARIABLE_G_NV = $8529;
+  GL_CONSTANT_COLOR0_NV = $852A;
+  GL_CONSTANT_COLOR1_NV = $852B;
+  GL_PRIMARY_COLOR_NV = $852C;
+  GL_SECONDARY_COLOR_NV = $852D;
+  GL_SPARE0_NV = $852E;
+  GL_SPARE1_NV = $852F;
+  GL_UNSIGNED_IDENTITY_NV = $8536;
+  GL_UNSIGNED_INVERT_NV = $8537;
+  GL_EXPAND_NORMAL_NV = $8538;
+  GL_EXPAND_NEGATE_NV = $8539;
+  GL_HALF_BIAS_NORMAL_NV = $853A;
+  GL_HALF_BIAS_NEGATE_NV = $853B;
+  GL_SIGNED_IDENTITY_NV = $853C;
+  GL_SIGNED_NEGATE_NV = $853D;
+  GL_E_TIMES_F_NV = $8531;
+  GL_SPARE0_PLUS_SECONDARY_COLOR_NV = $8532;
+  GL_SCALE_BY_TWO_NV = $853E;
+  GL_SCALE_BY_FOUR_NV = $853F;
+  GL_SCALE_BY_ONE_HALF_NV = $8540;
+  GL_BIAS_BY_NEGATIVE_ONE_HALF_NV = $8541;
+  GL_DISCARD_NV = $8530;
+  GL_COMBINER_INPUT_NV = $8542;
+  GL_COMBINER_MAPPING_NV = $8543;
+  GL_COMBINER_COMPONENT_USAGE_NV = $8544;
+  GL_COMBINER_AB_DOT_PRODUCT_NV = $8545;
+  GL_COMBINER_CD_DOT_PRODUCT_NV = $8546;
+  GL_COMBINER_MUX_SUM_NV = $8547;
+  GL_COMBINER_SCALE_NV = $8548;
+  GL_COMBINER_BIAS_NV = $8549;
+  GL_COMBINER_AB_OUTPUT_NV = $854A;
+  GL_COMBINER_CD_OUTPUT_NV = $854B;
+  GL_COMBINER_SUM_OUTPUT_NV = $854C;
+  GL_NUM_GENERAL_COMBINERS_NV = $854E;
+  GL_COLOR_SUM_CLAMP_NV = $854F;
+  GL_MAX_GENERAL_COMBINERS_NV = $854D;
+
+  procedure glCombinerParameterfvNV(pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glCombinerParameterivNV(pname: GLenum; const params: PGLint); external dllname;
+  procedure glCombinerParameterfNV(pname: GLenum; param: GLfloat); external dllname;
+  procedure glCombinerParameteriNV(pname: GLenum; param: GLint); external dllname;
+  procedure glCombinerInputNV(stage: GLenum; portion: GLenum; variable: GLenum; input: GLenum; mapping: GLenum; componentUsage: GLenum); external dllname;
+  procedure glCombinerOutputNV(stage: GLenum; portion: GLenum; abOutput: GLenum; cdOutput: GLenum; sumOutput: GLenum; scale: GLenum; bias: GLenum; abDotProduct: GLboolean; cdDotProduct: GLboolean; muxSum: GLboolean); external dllname;
+  procedure glFinalCombinerInputNV(variable: GLenum; input: GLenum; mapping: GLenum; componentUsage: GLenum); external dllname;
+  procedure glGetCombinerInputParameterfvNV(stage: GLenum; portion: GLenum; variable: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetCombinerInputParameterivNV(stage: GLenum; portion: GLenum; variable: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetCombinerOutputParameterfvNV(stage: GLenum; portion: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetCombinerOutputParameterivNV(stage: GLenum; portion: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetFinalCombinerInputParameterfvNV(variable: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetFinalCombinerInputParameterivNV(variable: GLenum; pname: GLenum; params: PGLint); external dllname;
+
+function Load_GL_NV_register_combiners: Boolean;
+
+//***** GL_NV_register_combiners2 *****//
+const
+  GL_PER_STAGE_CONSTANTS_NV = $8535;
+
+  procedure glCombinerStageParameterfvNV(stage: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glGetCombinerStageParameterfvNV(stage: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_NV_register_combiners2: Boolean;
+
+//***** GL_NV_texgen_emboss *****//
+const
+  GL_EMBOSS_MAP_NV = $855F;
+  GL_EMBOSS_LIGHT_NV = $855D;
+  GL_EMBOSS_CONSTANT_NV = $855E;
+
+function Load_GL_NV_texgen_emboss: Boolean;
+
+//***** GL_NV_texgen_reflection *****//
+const
+  GL_NORMAL_MAP_NV = $8511;
+  GL_REFLECTION_MAP_NV = $8512;
+
+function Load_GL_NV_texgen_reflection: Boolean;
+
+//***** GL_NV_texture_compression_vtc *****//
+  // GL_COMPRESSED_RGB_S3TC_DXT1_EXT  { already defined }
+  // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT  { already defined }
+  // GL_COMPRESSED_RGBA_S3TC_DXT3_EXT  { already defined }
+  // GL_COMPRESSED_RGBA_S3TC_DXT5_EXT  { already defined }
+
+function Load_GL_NV_texture_compression_vtc: Boolean;
+
+//***** GL_NV_texture_env_combine4 *****//
+const
+  GL_COMBINE4_NV = $8503;
+  GL_SOURCE3_RGB_NV = $8583;
+  GL_SOURCE3_ALPHA_NV = $858B;
+  GL_OPERAND3_RGB_NV = $8593;
+  GL_OPERAND3_ALPHA_NV = $859B;
+
+function Load_GL_NV_texture_env_combine4: Boolean;
+
+//***** GL_NV_texture_rectangle *****//
+const
+  GL_TEXTURE_RECTANGLE_NV = $84F5;
+  GL_TEXTURE_BINDING_RECTANGLE_NV = $84F6;
+  GL_PROXY_TEXTURE_RECTANGLE_NV = $84F7;
+  GL_MAX_RECTANGLE_TEXTURE_SIZE_NV = $84F8;
+
+function Load_GL_NV_texture_rectangle: Boolean;
+
+//***** GL_NV_texture_shader *****//
+const
+  GL_TEXTURE_SHADER_NV = $86DE;
+  GL_RGBA_UNSIGNED_DOT_PRODUCT_MAPPING_NV = $86D9;
+  GL_SHADER_OPERATION_NV = $86DF;
+  GL_CULL_MODES_NV = $86E0;
+  GL_OFFSET_TEXTURE_MATRIX_NV = $86E1;
+  GL_OFFSET_TEXTURE_SCALE_NV = $86E2;
+  GL_OFFSET_TEXTURE_BIAS_NV = $86E3;
+  GL_PREVIOUS_TEXTURE_INPUT_NV = $86E4;
+  GL_CONST_EYE_NV = $86E5;
+  GL_SHADER_CONSISTENT_NV = $86DD;
+  GL_PASS_THROUGH_NV = $86E6;
+  GL_CULL_FRAGMENT_NV = $86E7;
+  GL_OFFSET_TEXTURE_2D_NV = $86E8;
+  GL_OFFSET_TEXTURE_RECTANGLE_NV = $864C;
+  GL_OFFSET_TEXTURE_RECTANGLE_SCALE_NV = $864D;
+  GL_DEPENDENT_AR_TEXTURE_2D_NV = $86E9;
+  GL_DEPENDENT_GB_TEXTURE_2D_NV = $86EA;
+  GL_DOT_PRODUCT_NV = $86EC;
+  GL_DOT_PRODUCT_DEPTH_REPLACE_NV = $86ED;
+  GL_DOT_PRODUCT_TEXTURE_2D_NV = $86EE;
+  GL_DOT_PRODUCT_TEXTURE_RECTANGLE_NV = $864E;
+  GL_DOT_PRODUCT_TEXTURE_CUBE_MAP_NV = $86F0;
+  GL_DOT_PRODUCT_DIFFUSE_CUBE_MAP_NV = $86F1;
+  GL_DOT_PRODUCT_REFLECT_CUBE_MAP_NV = $86F2;
+  GL_DOT_PRODUCT_CONST_EYE_REFLECT_CUBE_MAP_NV = $86F3;
+  GL_HILO_NV = $86F4;
+  GL_DSDT_NV = $86F5;
+  GL_DSDT_MAG_NV = $86F6;
+  GL_DSDT_MAG_VIB_NV = $86F7;
+  GL_UNSIGNED_INT_S8_S8_8_8_NV = $86DA;
+  GL_UNSIGNED_INT_8_8_S8_S8_REV_NV = $86DB;
+  GL_SIGNED_RGBA_NV = $86FB;
+  GL_SIGNED_RGBA8_NV = $86FC;
+  GL_SIGNED_RGB_NV = $86FE;
+  GL_SIGNED_RGB8_NV = $86FF;
+  GL_SIGNED_LUMINANCE_NV = $8701;
+  GL_SIGNED_LUMINANCE8_NV = $8702;
+  GL_SIGNED_LUMINANCE_ALPHA_NV = $8703;
+  GL_SIGNED_LUMINANCE8_ALPHA8_NV = $8704;
+  GL_SIGNED_ALPHA_NV = $8705;
+  GL_SIGNED_ALPHA8_NV = $8706;
+  GL_SIGNED_INTENSITY_NV = $8707;
+  GL_SIGNED_INTENSITY8_NV = $8708;
+  GL_SIGNED_RGB_UNSIGNED_ALPHA_NV = $870C;
+  GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV = $870D;
+  GL_HILO16_NV = $86F8;
+  GL_SIGNED_HILO_NV = $86F9;
+  GL_SIGNED_HILO16_NV = $86FA;
+  GL_DSDT8_NV = $8709;
+  GL_DSDT8_MAG8_NV = $870A;
+  GL_DSDT_MAG_INTENSITY_NV = $86DC;
+  GL_DSDT8_MAG8_INTENSITY8_NV = $870B;
+  GL_HI_SCALE_NV = $870E;
+  GL_LO_SCALE_NV = $870F;
+  GL_DS_SCALE_NV = $8710;
+  GL_DT_SCALE_NV = $8711;
+  GL_MAGNITUDE_SCALE_NV = $8712;
+  GL_VIBRANCE_SCALE_NV = $8713;
+  GL_HI_BIAS_NV = $8714;
+  GL_LO_BIAS_NV = $8715;
+  GL_DS_BIAS_NV = $8716;
+  GL_DT_BIAS_NV = $8717;
+  GL_MAGNITUDE_BIAS_NV = $8718;
+  GL_VIBRANCE_BIAS_NV = $8719;
+  GL_TEXTURE_BORDER_VALUES_NV = $871A;
+  GL_TEXTURE_HI_SIZE_NV = $871B;
+  GL_TEXTURE_LO_SIZE_NV = $871C;
+  GL_TEXTURE_DS_SIZE_NV = $871D;
+  GL_TEXTURE_DT_SIZE_NV = $871E;
+  GL_TEXTURE_MAG_SIZE_NV = $871F;
+
+function Load_GL_NV_texture_shader: Boolean;
+
+//***** GL_NV_texture_shader2 *****//
+const
+  GL_DOT_PRODUCT_TEXTURE_3D_NV = $86EF;
+  // GL_HILO_NV  { already defined }
+  // GL_DSDT_NV  { already defined }
+  // GL_DSDT_MAG_NV  { already defined }
+  // GL_DSDT_MAG_VIB_NV  { already defined }
+  // GL_UNSIGNED_INT_S8_S8_8_8_NV  { already defined }
+  // GL_UNSIGNED_INT_8_8_S8_S8_REV_NV  { already defined }
+  // GL_SIGNED_RGBA_NV  { already defined }
+  // GL_SIGNED_RGBA8_NV  { already defined }
+  // GL_SIGNED_RGB_NV  { already defined }
+  // GL_SIGNED_RGB8_NV  { already defined }
+  // GL_SIGNED_LUMINANCE_NV  { already defined }
+  // GL_SIGNED_LUMINANCE8_NV  { already defined }
+  // GL_SIGNED_LUMINANCE_ALPHA_NV  { already defined }
+  // GL_SIGNED_LUMINANCE8_ALPHA8_NV  { already defined }
+  // GL_SIGNED_ALPHA_NV  { already defined }
+  // GL_SIGNED_ALPHA8_NV  { already defined }
+  // GL_SIGNED_INTENSITY_NV  { already defined }
+  // GL_SIGNED_INTENSITY8_NV  { already defined }
+  // GL_SIGNED_RGB_UNSIGNED_ALPHA_NV  { already defined }
+  // GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV  { already defined }
+  // GL_HILO16_NV  { already defined }
+  // GL_SIGNED_HILO_NV  { already defined }
+  // GL_SIGNED_HILO16_NV  { already defined }
+  // GL_DSDT8_NV  { already defined }
+  // GL_DSDT8_MAG8_NV  { already defined }
+  // GL_DSDT_MAG_INTENSITY_NV  { already defined }
+  // GL_DSDT8_MAG8_INTENSITY8_NV  { already defined }
+
+function Load_GL_NV_texture_shader2: Boolean;
+
+//***** GL_NV_texture_shader3 *****//
+const
+  GL_OFFSET_PROJECTIVE_TEXTURE_2D_NV = $8850;
+  GL_OFFSET_PROJECTIVE_TEXTURE_2D_SCALE_NV = $8851;
+  GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_NV = $8852;
+  GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_SCALE_NV = $8853;
+  GL_OFFSET_HILO_TEXTURE_2D_NV = $8854;
+  GL_OFFSET_HILO_TEXTURE_RECTANGLE_NV = $8855;
+  GL_OFFSET_HILO_PROJECTIVE_TEXTURE_2D_NV = $8856;
+  GL_OFFSET_HILO_PROJECTIVE_TEXTURE_RECTANGLE_NV = $8857;
+  GL_DEPENDENT_HILO_TEXTURE_2D_NV = $8858;
+  GL_DEPENDENT_RGB_TEXTURE_3D_NV = $8859;
+  GL_DEPENDENT_RGB_TEXTURE_CUBE_MAP_NV = $885A;
+  GL_DOT_PRODUCT_PASS_THROUGH_NV = $885B;
+  GL_DOT_PRODUCT_TEXTURE_1D_NV = $885C;
+  GL_DOT_PRODUCT_AFFINE_DEPTH_REPLACE_NV = $885D;
+  GL_HILO8_NV = $885E;
+  GL_SIGNED_HILO8_NV = $885F;
+  GL_FORCE_BLUE_TO_ONE_NV = $8860;
+
+function Load_GL_NV_texture_shader3: Boolean;
+
+//***** GL_NV_vertex_array_range *****//
+const
+  GL_VERTEX_ARRAY_RANGE_NV = $851D;
+  GL_VERTEX_ARRAY_RANGE_LENGTH_NV = $851E;
+  GL_VERTEX_ARRAY_RANGE_VALID_NV = $851F;
+  GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV = $8520;
+  GL_VERTEX_ARRAY_RANGE_POINTER_NV = $8521;
+
+  procedure glVertexArrayRangeNV(length: GLsizei; pointer: PGLvoid); external dllname;
+  procedure glFlushVertexArrayRangeNV(); external dllname;
+
+
+function Load_GL_NV_vertex_array_range: Boolean;
+
+//***** GL_NV_vertex_array_range2 *****//
+const
+  GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV = $8533;
+
+function Load_GL_NV_vertex_array_range2: Boolean;
+
+//***** GL_NV_vertex_program *****//
+const
+  GL_VERTEX_PROGRAM_NV = $8620;
+  GL_VERTEX_PROGRAM_POINT_SIZE_NV = $8642;
+  GL_VERTEX_PROGRAM_TWO_SIDE_NV = $8643;
+  GL_VERTEX_STATE_PROGRAM_NV = $8621;
+  GL_ATTRIB_ARRAY_SIZE_NV = $8623;
+  GL_ATTRIB_ARRAY_STRIDE_NV = $8624;
+  GL_ATTRIB_ARRAY_TYPE_NV = $8625;
+  GL_CURRENT_ATTRIB_NV = $8626;
+  GL_PROGRAM_PARAMETER_NV = $8644;
+  GL_ATTRIB_ARRAY_POINTER_NV = $8645;
+  GL_PROGRAM_TARGET_NV = $8646;
+  GL_PROGRAM_LENGTH_NV = $8627;
+  GL_PROGRAM_RESIDENT_NV = $8647;
+  GL_PROGRAM_STRING_NV = $8628;
+  GL_TRACK_MATRIX_NV = $8648;
+  GL_TRACK_MATRIX_TRANSFORM_NV = $8649;
+  GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV = $862E;
+  GL_MAX_TRACK_MATRICES_NV = $862F;
+  GL_CURRENT_MATRIX_STACK_DEPTH_NV = $8640;
+  GL_CURRENT_MATRIX_NV = $8641;
+  GL_VERTEX_PROGRAM_BINDING_NV = $864A;
+  GL_PROGRAM_ERROR_POSITION_NV = $864B;
+  GL_MODELVIEW_PROJECTION_NV = $8629;
+  GL_MATRIX0_NV = $8630;
+  GL_MATRIX1_NV = $8631;
+  GL_MATRIX2_NV = $8632;
+  GL_MATRIX3_NV = $8633;
+  GL_MATRIX4_NV = $8634;
+  GL_MATRIX5_NV = $8635;
+  GL_MATRIX6_NV = $8636;
+  GL_MATRIX7_NV = $8637;
+  GL_IDENTITY_NV = $862A;
+  GL_INVERSE_NV = $862B;
+  GL_TRANSPOSE_NV = $862C;
+  GL_INVERSE_TRANSPOSE_NV = $862D;
+  GL_VERTEX_ATTRIB_ARRAY0_NV = $8650;
+  GL_VERTEX_ATTRIB_ARRAY1_NV = $8651;
+  GL_VERTEX_ATTRIB_ARRAY2_NV = $8652;
+  GL_VERTEX_ATTRIB_ARRAY3_NV = $8653;
+  GL_VERTEX_ATTRIB_ARRAY4_NV = $8654;
+  GL_VERTEX_ATTRIB_ARRAY5_NV = $8655;
+  GL_VERTEX_ATTRIB_ARRAY6_NV = $8656;
+  GL_VERTEX_ATTRIB_ARRAY7_NV = $8657;
+  GL_VERTEX_ATTRIB_ARRAY8_NV = $8658;
+  GL_VERTEX_ATTRIB_ARRAY9_NV = $8659;
+  GL_VERTEX_ATTRIB_ARRAY10_NV = $865A;
+  GL_VERTEX_ATTRIB_ARRAY11_NV = $865B;
+  GL_VERTEX_ATTRIB_ARRAY12_NV = $865C;
+  GL_VERTEX_ATTRIB_ARRAY13_NV = $865D;
+  GL_VERTEX_ATTRIB_ARRAY14_NV = $865E;
+  GL_VERTEX_ATTRIB_ARRAY15_NV = $865F;
+  GL_MAP1_VERTEX_ATTRIB0_4_NV = $8660;
+  GL_MAP1_VERTEX_ATTRIB1_4_NV = $8661;
+  GL_MAP1_VERTEX_ATTRIB2_4_NV = $8662;
+  GL_MAP1_VERTEX_ATTRIB3_4_NV = $8663;
+  GL_MAP1_VERTEX_ATTRIB4_4_NV = $8664;
+  GL_MAP1_VERTEX_ATTRIB5_4_NV = $8665;
+  GL_MAP1_VERTEX_ATTRIB6_4_NV = $8666;
+  GL_MAP1_VERTEX_ATTRIB7_4_NV = $8667;
+  GL_MAP1_VERTEX_ATTRIB8_4_NV = $8668;
+  GL_MAP1_VERTEX_ATTRIB9_4_NV = $8669;
+  GL_MAP1_VERTEX_ATTRIB10_4_NV = $866A;
+  GL_MAP1_VERTEX_ATTRIB11_4_NV = $866B;
+  GL_MAP1_VERTEX_ATTRIB12_4_NV = $866C;
+  GL_MAP1_VERTEX_ATTRIB13_4_NV = $866D;
+  GL_MAP1_VERTEX_ATTRIB14_4_NV = $866E;
+  GL_MAP1_VERTEX_ATTRIB15_4_NV = $866F;
+  GL_MAP2_VERTEX_ATTRIB0_4_NV = $8670;
+  GL_MAP2_VERTEX_ATTRIB1_4_NV = $8671;
+  GL_MAP2_VERTEX_ATTRIB2_4_NV = $8672;
+  GL_MAP2_VERTEX_ATTRIB3_4_NV = $8673;
+  GL_MAP2_VERTEX_ATTRIB4_4_NV = $8674;
+  GL_MAP2_VERTEX_ATTRIB5_4_NV = $8675;
+  GL_MAP2_VERTEX_ATTRIB6_4_NV = $8676;
+  GL_MAP2_VERTEX_ATTRIB7_4_NV = $8677;
+  GL_MAP2_VERTEX_ATTRIB8_4_NV = $8678;
+  GL_MAP2_VERTEX_ATTRIB9_4_NV = $8679;
+  GL_MAP2_VERTEX_ATTRIB10_4_NV = $867A;
+  GL_MAP2_VERTEX_ATTRIB11_4_NV = $867B;
+  GL_MAP2_VERTEX_ATTRIB12_4_NV = $867C;
+  GL_MAP2_VERTEX_ATTRIB13_4_NV = $867D;
+  GL_MAP2_VERTEX_ATTRIB14_4_NV = $867E;
+  GL_MAP2_VERTEX_ATTRIB15_4_NV = $867F;
+
+  procedure glBindProgramNV(target: GLenum; id: GLuint); external dllname;
+  procedure glDeleteProgramsNV(n: GLsizei; const ids: PGLuint); external dllname;
+  procedure glExecuteProgramNV(target: GLenum; id: GLuint; const params: PGLfloat); external dllname;
+  procedure glGenProgramsNV(n: GLsizei; ids: PGLuint); external dllname;
+  function glAreProgramsResidentNV(n: GLsizei; const ids: PGLuint; residences: PGLboolean): GLboolean; external dllname;
+  procedure glRequestResidentProgramsNV(n: GLsizei; ids: PGLuint); external dllname;
+  procedure glGetProgramParameterfvNV(target: GLenum; index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetProgramParameterdvNV(target: GLenum; index: GLuint; pname: GLenum; params: PGLdouble); external dllname;
+  procedure glGetProgramivNV(id: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetProgramStringNV(id: GLuint; pname: GLenum; theProgram: PGLubyte); external dllname;
+  procedure glGetTrackMatrixivNV(target: GLenum; address: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetVertexAttribdvNV(index: GLuint; pname: GLenum; params: PGLdouble); external dllname;
+  procedure glGetVertexAttribfvNV(index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetVertexAttribivNV(index: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetVertexAttribPointervNV(index: GLuint; pname: GLenum; pointer: PGLvoid); external dllname;
+  function glIsProgramNV(id: GLuint): GLboolean; external dllname;
+  procedure glLoadProgramNV(target: GLenum; id: GLuint; len: GLsizei; const theProgram: PGLubyte); external dllname;
+  procedure glProgramParameter4fNV(target: GLenum; index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glProgramParameter4fvNV(target: GLenum; index: GLuint; const params: PGLfloat); external dllname;
+  procedure glProgramParameters4dvNV(target: GLenum; index: GLuint; num: GLuint; const params: PGLdouble); external dllname;
+  procedure glProgramParameters4fvNV(target: GLenum; index: GLuint; num: GLuint; const params: PGLfloat); external dllname;
+  procedure glTrackMatrixNV(target: GLenum; address: GLuint; matrix: GLenum; transform: GLenum); external dllname;
+  procedure glVertexAttribPointerNV(index: GLuint; size: GLint; thetype: GLenum; stride: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glVertexAttrib1sNV(index: GLuint; x: GLshort); external dllname;
+  procedure glVertexAttrib1fNV(index: GLuint; x: GLfloat); external dllname;
+  procedure glVertexAttrib1dNV(index: GLuint; x: GLdouble); external dllname;
+  procedure glVertexAttrib2sNV(index: GLuint; x: GLshort; y: GLshort); external dllname;
+  procedure glVertexAttrib2fNV(index: GLuint; x: GLfloat; y: GLfloat); external dllname;
+  procedure glVertexAttrib2dNV(index: GLuint; x: GLdouble; y: GLdouble); external dllname;
+  procedure glVertexAttrib3sNV(index: GLuint; x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glVertexAttrib3fNV(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glVertexAttrib3dNV(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glVertexAttrib4sNV(index: GLuint; x: GLshort; y: GLshort; z: GLshort; w: GLshort); external dllname;
+  procedure glVertexAttrib4fNV(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glVertexAttrib4dNV(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glVertexAttrib4ubNV(index: GLuint; x: GLubyte; y: GLubyte; z: GLubyte; w: GLubyte); external dllname;
+  procedure glVertexAttrib1svNV(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib1fvNV(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib1dvNV(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib2svNV(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib2fvNV(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib2dvNV(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib3svNV(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib3fvNV(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib3dvNV(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib4svNV(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4fvNV(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib4dvNV(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib4ubvNV(index: GLuint; const v: PGLubyte); external dllname;
+  procedure glVertexAttribs1svNV(index: GLuint; n: GLsizei; const v: PGLshort); external dllname;
+  procedure glVertexAttribs1fvNV(index: GLuint; n: GLsizei; const v: PGLfloat); external dllname;
+  procedure glVertexAttribs1dvNV(index: GLuint; n: GLsizei; const v: PGLdouble); external dllname;
+  procedure glVertexAttribs2svNV(index: GLuint; n: GLsizei; const v: PGLshort); external dllname;
+  procedure glVertexAttribs2fvNV(index: GLuint; n: GLsizei; const v: PGLfloat); external dllname;
+  procedure glVertexAttribs2dvNV(index: GLuint; n: GLsizei; const v: PGLdouble); external dllname;
+  procedure glVertexAttribs3svNV(index: GLuint; n: GLsizei; const v: PGLshort); external dllname;
+  procedure glVertexAttribs3fvNV(index: GLuint; n: GLsizei; const v: PGLfloat); external dllname;
+  procedure glVertexAttribs3dvNV(index: GLuint; n: GLsizei; const v: PGLdouble); external dllname;
+  procedure glVertexAttribs4svNV(index: GLuint; n: GLsizei; const v: PGLshort); external dllname;
+  procedure glVertexAttribs4fvNV(index: GLuint; n: GLsizei; const v: PGLfloat); external dllname;
+  procedure glVertexAttribs4dvNV(index: GLuint; n: GLsizei; const v: PGLdouble); external dllname;
+  procedure glVertexAttribs4ubvNV(index: GLuint; n: GLsizei; const v: PGLubyte); external dllname;
+
+function Load_GL_NV_vertex_program: Boolean;
+
+//***** GL_NV_vertex_program1_1 *****//
+
+function Load_GL_NV_vertex_program1_1: Boolean;
+
+//***** GL_ATI_element_array *****//
+const
+  GL_ELEMENT_ARRAY_ATI = $8768;
+  GL_ELEMENT_ARRAY_TYPE_ATI = $8769;
+  GL_ELEMENT_ARRAY_POINTER_ATI = $876A;
+
+  procedure glElementPointerATI(thetype: GLenum; const pointer: PGLvoid); external dllname;
+  procedure glDrawElementArrayATI(mode: GLenum; count: GLsizei); external dllname;
+  procedure glDrawRangeElementArrayATI(mode: GLenum; start: GLuint; theend: GLuint; count: GLsizei); external dllname;
+
+function Load_GL_ATI_element_array: Boolean;
+
+//***** GL_ATI_envmap_bumpmap *****//
+const
+  GL_BUMP_ROT_MATRIX_ATI = $8775;
+  GL_BUMP_ROT_MATRIX_SIZE_ATI = $8776;
+  GL_BUMP_NUM_TEX_UNITS_ATI = $8777;
+  GL_BUMP_TEX_UNITS_ATI = $8778;
+  GL_DUDV_ATI = $8779;
+  GL_DU8DV8_ATI = $877A;
+  GL_BUMP_ENVMAP_ATI = $877B;
+  GL_BUMP_TARGET_ATI = $877C;
+
+  procedure glTexBumpParameterivATI(pname: GLenum; param: PGLint); external dllname;
+  procedure glTexBumpParameterfvATI(pname: GLenum; param: PGLfloat); external dllname;
+  procedure glGetTexBumpParameterivATI(pname: GLenum; param: PGLint); external dllname;
+  procedure glGetTexBumpParameterfvATI(pname: GLenum; param: PGLfloat); external dllname;
+
+function Load_GL_ATI_envmap_bumpmap: Boolean;
+
+//***** GL_ATI_fragment_shader *****//
+const
+  GL_FRAGMENT_SHADER_ATI = $8920;
+  GL_REG_0_ATI = $8921;
+  GL_REG_1_ATI = $8922;
+  GL_REG_2_ATI = $8923;
+  GL_REG_3_ATI = $8924;
+  GL_REG_4_ATI = $8925;
+  GL_REG_5_ATI = $8926;
+  GL_CON_0_ATI = $8941;
+  GL_CON_1_ATI = $8942;
+  GL_CON_2_ATI = $8943;
+  GL_CON_3_ATI = $8944;
+  GL_CON_4_ATI = $8945;
+  GL_CON_5_ATI = $8946;
+  GL_CON_6_ATI = $8947;
+  GL_CON_7_ATI = $8948;
+  GL_MOV_ATI = $8961;
+  GL_ADD_ATI = $8963;
+  GL_MUL_ATI = $8964;
+  GL_SUB_ATI = $8965;
+  GL_DOT3_ATI = $8966;
+  GL_DOT4_ATI = $8967;
+  GL_MAD_ATI = $8968;
+  GL_LERP_ATI = $8969;
+  GL_CND_ATI = $896A;
+  GL_CND0_ATI = $896B;
+  GL_DOT2_ADD_ATI = $896C;
+  GL_SECONDARY_INTERPOLATOR_ATI = $896D;
+  GL_SWIZZLE_STR_ATI = $8976;
+  GL_SWIZZLE_STQ_ATI = $8977;
+  GL_SWIZZLE_STR_DR_ATI = $8978;
+  GL_SWIZZLE_STQ_DQ_ATI = $8979;
+  GL_RED_BIT_ATI = $0001;
+  GL_GREEN_BIT_ATI = $0002;
+  GL_BLUE_BIT_ATI = $0004;
+  GL_2X_BIT_ATI = $0001;
+  GL_4X_BIT_ATI = $0002;
+  GL_8X_BIT_ATI = $0004;
+  GL_HALF_BIT_ATI = $0008;
+  GL_QUARTER_BIT_ATI = $0010;
+  GL_EIGHTH_BIT_ATI = $0020;
+  GL_SATURATE_BIT_ATI = $0040;
+  // GL_2X_BIT_ATI  { already defined }
+  GL_COMP_BIT_ATI = $0002;
+  GL_NEGATE_BIT_ATI = $0004;
+  GL_BIAS_BIT_ATI = $0008;
+
+  function glGenFragmentShadersATI(range: GLuint): GLuint; external dllname;
+  procedure glBindFragmentShaderATI(id: GLuint); external dllname;
+  procedure glDeleteFragmentShaderATI(id: GLuint); external dllname;
+  procedure glBeginFragmentShaderATI(); external dllname;
+  procedure glEndFragmentShaderATI(); external dllname;
+  procedure glPassTexCoordATI(dst: GLuint; coord: GLuint; swizzle: GLenum); external dllname;
+  procedure glSampleMapATI(dst: GLuint; interp: GLuint; swizzle: GLenum); external dllname;
+  procedure glColorFragmentOp1ATI(op: GLenum; dst: GLuint; dstMask: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint); external dllname;
+  procedure glColorFragmentOp2ATI(op: GLenum; dst: GLuint; dstMask: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint; arg2: GLuint; arg2Rep: GLuint; arg2Mod: GLuint); external dllname;
+  procedure glColorFragmentOp3ATI(op: GLenum; dst: GLuint; dstMask: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint; arg2: GLuint; arg2Rep: GLuint; arg2Mod: GLuint; arg3: GLuint; arg3Rep: GLuint; arg3Mod: GLuint); external dllname;
+  procedure glAlphaFragmentOp1ATI(op: GLenum; dst: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint); external dllname;
+  procedure glAlphaFragmentOp2ATI(op: GLenum; dst: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint; arg2: GLuint; arg2Rep: GLuint; arg2Mod: GLuint); external dllname;
+  procedure glAlphaFragmentOp3ATI(op: GLenum; dst: GLuint; dstMod: GLuint; arg1: GLuint; arg1Rep: GLuint; arg1Mod: GLuint; arg2: GLuint; arg2Rep: GLuint; arg2Mod: GLuint; arg3: GLuint; arg3Rep: GLuint; arg3Mod: GLuint); external dllname;
+  procedure glSetFragmentShaderConstantATI(dst: GLuint; const value: PGLfloat); external dllname;
+
+function Load_GL_ATI_fragment_shader: Boolean;
+
+//***** GL_ATI_pn_triangles *****//
+const
+  GL_PN_TRIANGLES_ATI = $87F0;
+  GL_MAX_PN_TRIANGLES_TESSELATION_LEVEL_ATI = $87F1;
+  GL_PN_TRIANGLES_POINT_MODE_ATI = $87F2;
+  GL_PN_TRIANGLES_NORMAL_MODE_ATI = $87F3;
+  GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI = $87F4;
+  GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI = $87F5;
+  GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI = $87F6;
+  GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI = $87F7;
+  GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI = $87F8;
+
+  procedure glPNTrianglesiATI(pname: GLenum; param: GLint); external dllname;
+  procedure glPNTrianglesfATI(pname: GLenum; param: GLfloat); external dllname;
+
+function Load_GL_ATI_pn_triangles: Boolean;
+
+//***** GL_ATI_texture_mirror_once *****//
+const
+  GL_MIRROR_CLAMP_ATI = $8742;
+  GL_MIRROR_CLAMP_TO_EDGE_ATI = $8743;
+
+function Load_GL_ATI_texture_mirror_once: Boolean;
+
+//***** GL_ATI_vertex_array_object *****//
+const
+  GL_STATIC_ATI = $8760;
+  GL_DYNAMIC_ATI = $8761;
+  GL_PRESERVE_ATI = $8762;
+  GL_DISCARD_ATI = $8763;
+  GL_OBJECT_BUFFER_SIZE_ATI = $8764;
+  GL_OBJECT_BUFFER_USAGE_ATI = $8765;
+  GL_ARRAY_OBJECT_BUFFER_ATI = $8766;
+  GL_ARRAY_OBJECT_OFFSET_ATI = $8767;
+
+  function glNewObjectBufferATI(size: GLsizei; const pointer: PGLvoid; usage: GLenum): GLuint; external dllname;
+  function glIsObjectBufferATI(buffer: GLuint): GLboolean; external dllname;
+  procedure glUpdateObjectBufferATI(buffer: GLuint; offset: GLuint; size: GLsizei; const pointer: PGLvoid; preserve: GLenum); external dllname;
+  procedure glGetObjectBufferfvATI(buffer: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetObjectBufferivATI(buffer: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glDeleteObjectBufferATI(buffer: GLuint); external dllname;
+  procedure glArrayObjectATI(thearray: GLenum; size: GLint; thetype: GLenum; stride: GLsizei; buffer: GLuint; offset: GLuint); external dllname;
+  procedure glGetArrayObjectfvATI(thearray: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetArrayObjectivATI(thearray: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glVariantArrayObjectATI(id: GLuint; thetype: GLenum; stride: GLsizei; buffer: GLuint; offset: GLuint); external dllname;
+  procedure glGetVariantArrayObjectfvATI(id: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetVariantArrayObjectivATI(id: GLuint; pname: GLenum; params: PGLint); external dllname;
+
+function Load_GL_ATI_vertex_array_object: Boolean;
+
+//***** GL_ATI_vertex_streams *****//
+const
+  GL_MAX_VERTEX_STREAMS_ATI = $876B;
+  GL_VERTEX_STREAM0_ATI = $876C;
+  GL_VERTEX_STREAM1_ATI = $876D;
+  GL_VERTEX_STREAM2_ATI = $876E;
+  GL_VERTEX_STREAM3_ATI = $876F;
+  GL_VERTEX_STREAM4_ATI = $8770;
+  GL_VERTEX_STREAM5_ATI = $8771;
+  GL_VERTEX_STREAM6_ATI = $8772;
+  GL_VERTEX_STREAM7_ATI = $8773;
+  GL_VERTEX_SOURCE_ATI = $8774;
+
+  procedure glVertexStream1s(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream1i(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream1f(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream1d(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream1sv(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream1iv(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream1fv(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream1dv(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream2s(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream2i(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream2f(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream2d(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream2sv(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream2iv(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream2fv(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream2dv(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream3s(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream3i(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream3f(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream3d(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream3sv(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream3iv(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream3fv(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream3dv(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream4s(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream4i(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream4f(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream4d(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glVertexStream4sv(stream: GLenum; coords: GLshort); external dllname;
+  procedure glVertexStream4iv(stream: GLenum; coords: GLint); external dllname;
+  procedure glVertexStream4fv(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glVertexStream4dv(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glNormalStream3b(stream: GLenum; coords: GLbyte); external dllname;
+  procedure glNormalStream3s(stream: GLenum; coords: GLshort); external dllname;
+  procedure glNormalStream3i(stream: GLenum; coords: GLint); external dllname;
+  procedure glNormalStream3f(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glNormalStream3d(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glNormalStream3bv(stream: GLenum; coords: GLbyte); external dllname;
+  procedure glNormalStream3sv(stream: GLenum; coords: GLshort); external dllname;
+  procedure glNormalStream3iv(stream: GLenum; coords: GLint); external dllname;
+  procedure glNormalStream3fv(stream: GLenum; coords: GLfloat); external dllname;
+  procedure glNormalStream3dv(stream: GLenum; coords: GLdouble); external dllname;
+  procedure glClientActiveVertexStream(stream: GLenum); external dllname;
+  procedure glVertexBlendEnvi(pname: GLenum; param: GLint); external dllname;
+  procedure glVertexBlendEnvf(pname: GLenum; param: GLfloat); external dllname;
+
+function Load_GL_ATI_vertex_streams: Boolean;
+
+//***** GL_3DFX_texture_compression_FXT1 *****//
+const
+  GL_COMPRESSED_RGB_FXT1_3DFX = $86B0;
+  GL_COMPRESSED_RGBA_FXT1_3DFX = $86B1;
+
+function Load_GL_3DFX_texture_compression_FXT1: Boolean;
+
+//***** GL_IBM_cull_vertex *****//
+const
+  GL_CULL_VERTEX_IBM = $1928A;
+
+function Load_GL_IBM_cull_vertex: Boolean;
+
+//***** GL_IBM_multimode_draw_arrays *****//
+
+  procedure glMultiModeDrawArraysIBM(mode: PGLenum; first: PGLint; count: PGLsizei; primcount: GLsizei; modestride: GLint); external dllname;
+  procedure glMultiModeDrawElementsIBM(mode: PGLenum; count: PGLsizei; thetype: GLenum; const indices: PGLvoid; primcount: GLsizei; modestride: GLint); external dllname;
+
+function Load_GL_IBM_multimode_draw_arrays: Boolean;
+
+//***** GL_IBM_raster_pos_clip *****//
+const
+  GL_RASTER_POSITION_UNCLIPPED_IBM = $19262;
+
+function Load_GL_IBM_raster_pos_clip: Boolean;
+
+//***** GL_IBM_texture_mirrored_repeat *****//
+const
+  GL_MIRRORED_REPEAT_IBM = $8370;
+
+function Load_GL_IBM_texture_mirrored_repeat: Boolean;
+
+//***** GL_IBM_vertex_array_lists *****//
+const
+  GL_VERTEX_ARRAY_LIST_IBM = $1929E;
+  GL_NORMAL_ARRAY_LIST_IBM = $1929F;
+  GL_COLOR_ARRAY_LIST_IBM = $192A0;
+  GL_INDEX_ARRAY_LIST_IBM = $192A1;
+  GL_TEXTURE_COORD_ARRAY_LIST_IBM = $192A2;
+  GL_EDGE_FLAG_ARRAY_LIST_IBM = $192A3;
+  GL_FOG_COORDINATE_ARRAY_LIST_IBM = $192A4;
+  GL_SECONDARY_COLOR_ARRAY_LIST_IBM = $192A5;
+  GL_VERTEX_ARRAY_LIST_STRIDE_IBM = $192A8;
+  GL_NORMAL_ARRAY_LIST_STRIDE_IBM = $192A9;
+  GL_COLOR_ARRAY_LIST_STRIDE_IBM = $192AA;
+  GL_INDEX_ARRAY_LIST_STRIDE_IBM = $192AB;
+  GL_TEXTURE_COORD_ARRAY_LIST_STRIDE_IBM = $192AC;
+  GL_EDGE_FLAG_ARRAY_LIST_STRIDE_IBM = $192AD;
+  GL_FOG_COORDINATE_ARRAY_LIST_STRIDE_IBM = $192AE;
+  GL_SECONDARY_COLOR_ARRAY_LIST_STRIDE_IBM = $192AF;
+
+  procedure glColorPointerListIBM(size: GLint; thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+  procedure glSecondaryColorPointerListIBM(size: GLint; thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+  procedure glEdgeFlagPointerListIBM(stride: GLint; const pointer: PGLboolean; ptrstride: GLint); external dllname;
+  procedure glFogCoordPointerListIBM(thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+  procedure glNormalPointerListIBM(thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+  procedure glTexCoordPointerListIBM(size: GLint; thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+  procedure glVertexPointerListIBM(size: GLint; thetype: GLenum; stride: GLint; const pointer: PGLvoid; ptrstride: GLint); external dllname;
+
+function Load_GL_IBM_vertex_array_lists: Boolean;
+
+//***** GL_MESA_resize_buffers *****//
+  procedure glResizeBuffersMESA(); external dllname;
+
+function Load_GL_MESA_resize_buffers: Boolean;
+
+//***** GL_MESA_window_pos *****//
+
+  procedure glWindowPos2dMESA(x: GLdouble; y: GLdouble); external dllname;
+  procedure glWindowPos2fMESA(x: GLfloat; y: GLfloat); external dllname;
+  procedure glWindowPos2iMESA(x: GLint; y: GLint); external dllname;
+  procedure glWindowPos2sMESA(x: GLshort; y: GLshort); external dllname;
+  procedure glWindowPos2ivMESA(const p: PGLint); external dllname;
+  procedure glWindowPos2svMESA(const p: PGLshort); external dllname;
+  procedure glWindowPos2fvMESA(const p: PGLfloat); external dllname;
+  procedure glWindowPos2dvMESA(const p: PGLdouble); external dllname;
+  procedure glWindowPos3iMESA(x: GLint; y: GLint; z: GLint); external dllname;
+  procedure glWindowPos3sMESA(x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glWindowPos3fMESA(x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glWindowPos3dMESA(x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glWindowPos3ivMESA(const p: PGLint); external dllname;
+  procedure glWindowPos3svMESA(const p: PGLshort); external dllname;
+  procedure glWindowPos3fvMESA(const p: PGLfloat); external dllname;
+  procedure glWindowPos3dvMESA(const p: PGLdouble); external dllname;
+  procedure glWindowPos4iMESA(x: GLint; y: GLint; z: GLint; w: GLint); external dllname;
+  procedure glWindowPos4sMESA(x: GLshort; y: GLshort; z: GLshort; w: GLshort); external dllname;
+  procedure glWindowPos4fMESA(x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glWindowPos4dMESA(x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glWindowPos4ivMESA(const p: PGLint); external dllname;
+  procedure glWindowPos4svMESA(const p: PGLshort); external dllname;
+  procedure glWindowPos4fvMESA(const p: PGLfloat); external dllname;
+  procedure glWindowPos4dvMESA(const p: PGLdouble); external dllname;
+
+function Load_GL_MESA_window_pos: Boolean;
+
+//***** GL_OML_interlace *****//
+const
+  GL_INTERLACE_OML = $8980;
+  GL_INTERLACE_READ_OML = $8981;
+
+function Load_GL_OML_interlace: Boolean;
+
+//***** GL_OML_resample *****//
+const
+  GL_PACK_RESAMPLE_OML = $8984;
+  GL_UNPACK_RESAMPLE_OML = $8985;
+  GL_RESAMPLE_REPLICATE_OML = $8986;
+  GL_RESAMPLE_ZERO_FILL_OML = $8987;
+  GL_RESAMPLE_AVERAGE_OML = $8988;
+  GL_RESAMPLE_DECIMATE_OML = $8989;
+  // GL_RESAMPLE_AVERAGE_OML  { already defined }
+
+function Load_GL_OML_resample: Boolean;
+
+//***** GL_OML_subsample *****//
+const
+  GL_FORMAT_SUBSAMPLE_24_24_OML = $8982;
+  GL_FORMAT_SUBSAMPLE_244_244_OML = $8983;
+
+function Load_GL_OML_subsample: Boolean;
+
+//***** GL_SGIS_generate_mipmap *****//
+const
+  GL_GENERATE_MIPMAP_SGIS = $8191;
+  GL_GENERATE_MIPMAP_HINT_SGIS = $8192;
+
+function Load_GL_SGIS_generate_mipmap: Boolean;
+
+//***** GL_SGIS_multisample *****//
+const
+  GLX_SAMPLE_BUFFERS_SGIS = $186A0;
+  GLX_SAMPLES_SGIS = $186A1;
+  GL_MULTISAMPLE_SGIS = $809D;
+  GL_SAMPLE_ALPHA_TO_MASK_SGIS = $809E;
+  GL_SAMPLE_ALPHA_TO_ONE_SGIS = $809F;
+  GL_SAMPLE_MASK_SGIS = $80A0;
+  GL_MULTISAMPLE_BIT_EXT = $20000000;
+  GL_1PASS_SGIS = $80A1;
+  GL_2PASS_0_SGIS = $80A2;
+  GL_2PASS_1_SGIS = $80A3;
+  GL_4PASS_0_SGIS = $80A4;
+  GL_4PASS_1_SGIS = $80A5;
+  GL_4PASS_2_SGIS = $80A6;
+  GL_4PASS_3_SGIS = $80A7;
+  GL_SAMPLE_BUFFERS_SGIS = $80A8;
+  GL_SAMPLES_SGIS = $80A9;
+  GL_SAMPLE_MASK_VALUE_SGIS = $80AA;
+  GL_SAMPLE_MASK_INVERT_SGIS = $80AB;
+  GL_SAMPLE_PATTERN_SGIS = $80AC;
+  procedure glSampleMaskSGIS(value: GLclampf; invert: GLboolean); external dllname;
+  procedure glSamplePatternSGIS(pattern: GLenum); external dllname;
+
+function Load_GL_SGIS_multisample: Boolean;
+
+//***** GL_SGIS_pixel_texture *****//
+const
+  GL_PIXEL_TEXTURE_SGIS = $8353;
+  GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS = $8354;
+  GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS = $8355;
+  GL_PIXEL_GROUP_COLOR_SGIS = $8356;
+  procedure glPixelTexGenParameteriSGIS(pname: GLenum; param: GLint); external dllname;
+  procedure glPixelTexGenParameterfSGIS(pname: GLenum; param: GLfloat); external dllname;
+  procedure glGetPixelTexGenParameterivSGIS(pname: GLenum; params: GLint); external dllname;
+  procedure glGetPixelTexGenParameterfvSGIS(pname: GLenum; params: GLfloat); external dllname;
+
+function Load_GL_SGIS_pixel_texture: Boolean;
+
+//***** GL_SGIS_texture_border_clamp *****//
+  // GL_CLAMP_TO_BORDER_SGIS  { already defined }
+
+function Load_GL_SGIS_texture_border_clamp: Boolean;
+
+//***** GL_SGIS_texture_color_mask *****//
+const
+  GL_TEXTURE_COLOR_WRITEMASK_SGIS = $81EF;
+
+  procedure glTextureColorMaskSGIS(r: GLboolean; g: GLboolean; b: GLboolean; a: GLboolean); external dllname;
+
+function Load_GL_SGIS_texture_color_mask: Boolean;
+
+//***** GL_SGIS_texture_edge_clamp *****//
+const
+  GL_CLAMP_TO_EDGE_SGIS = $812F;
+
+function Load_GL_SGIS_texture_edge_clamp: Boolean;
+
+//***** GL_SGIS_texture_lod *****//
+const
+  GL_TEXTURE_MIN_LOD_SGIS = $813A;
+  GL_TEXTURE_MAX_LOD_SGIS = $813B;
+  GL_TEXTURE_BASE_LEVEL_SGIS = $813C;
+  GL_TEXTURE_MAX_LEVEL_SGIS = $813D;
+
+function Load_GL_SGIS_texture_lod: Boolean;
+
+//***** GL_SGIS_depth_texture *****//
+const
+  GL_DEPTH_COMPONENT16_SGIX = $81A5;
+  GL_DEPTH_COMPONENT24_SGIX = $81A6;
+  GL_DEPTH_COMPONENT32_SGIX = $81A7;
+
+function Load_GL_SGIS_depth_texture: Boolean;
+
+//***** GL_SGIX_fog_offset *****//
+const
+  GL_FOG_OFFSET_SGIX = $8198;
+  GL_FOG_OFFSET_VALUE_SGIX = $8199;
+
+function Load_GL_SGIX_fog_offset: Boolean;
+
+//***** GL_SGIX_interlace *****//
+const
+  GL_INTERLACE_SGIX = $8094;
+
+function Load_GL_SGIX_interlace: Boolean;
+
+//***** GL_SGIX_shadow_ambient *****//
+const
+  GL_SHADOW_AMBIENT_SGIX = $80BF;
+
+function Load_GL_SGIX_shadow_ambient: Boolean;
+
+//***** GL_SGI_color_matrix *****//
+const
+  GL_COLOR_MATRIX_SGI = $80B1;
+  GL_COLOR_MATRIX_STACK_DEPTH_SGI = $80B2;
+  GL_MAX_COLOR_MATRIX_STACK_DEPTH_SGI = $80B3;
+  GL_POST_COLOR_MATRIX_RED_SCALE_SGI = $80B4;
+  GL_POST_COLOR_MATRIX_GREEN_SCALE_SGI = $80B5;
+  GL_POST_COLOR_MATRIX_BLUE_SCALE_SGI = $80B6;
+  GL_POST_COLOR_MATRIX_ALPHA_SCALE_SGI = $80B7;
+  GL_POST_COLOR_MATRIX_RED_BIAS_SGI = $80B8;
+  GL_POST_COLOR_MATRIX_GREEN_BIAS_SGI = $80B9;
+  GL_POST_COLOR_MATRIX_BLUE_BIAS_SGI = $80BA;
+  GL_POST_COLOR_MATRIX_ALPHA_BIAS_SGI = $80BB;
+
+function Load_GL_SGI_color_matrix: Boolean;
+
+//***** GL_SGI_color_table *****//
+const
+  GL_COLOR_TABLE_SGI = $80D0;
+  GL_POST_CONVOLUTION_COLOR_TABLE_SGI = $80D1;
+  GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI = $80D2;
+  GL_PROXY_COLOR_TABLE_SGI = $80D3;
+  GL_PROXY_POST_CONVOLUTION_COLOR_TABLE_SGI = $80D4;
+  GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE_SGI = $80D5;
+  GL_COLOR_TABLE_SCALE_SGI = $80D6;
+  GL_COLOR_TABLE_BIAS_SGI = $80D7;
+  GL_COLOR_TABLE_FORMAT_SGI = $80D8;
+  GL_COLOR_TABLE_WIDTH_SGI = $80D9;
+  GL_COLOR_TABLE_RED_SIZE_SGI = $80DA;
+  GL_COLOR_TABLE_GREEN_SIZE_SGI = $80DB;
+  GL_COLOR_TABLE_BLUE_SIZE_SGI = $80DC;
+  GL_COLOR_TABLE_ALPHA_SIZE_SGI = $80DD;
+  GL_COLOR_TABLE_LUMINANCE_SIZE_SGI = $80DE;
+  GL_COLOR_TABLE_INTENSITY_SIZE_SGI = $80DF;
+
+  procedure glColorTableSGI(target: GLenum; internalformat: GLenum; width: GLsizei; format: GLenum; thetype: GLenum; const table: PGLvoid); external dllname;
+  procedure glCopyColorTableSGI(target: GLenum; internalformat: GLenum; x: GLint; y: GLint; width: GLsizei); external dllname;
+  procedure glColorTableParameterivSGI(target: GLenum; pname: GLenum; const params: PGLint); external dllname;
+  procedure glColorTableParameterfvSGI(target: GLenum; pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glGetColorTableSGI(target: GLenum; format: GLenum; thetype: GLenum; table: PGLvoid); external dllname;
+  procedure glGetColorTableParameterivSGI(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetColorTableParameterfvSGI(target: GLenum; pname: GLenum; params: PGLfloat); external dllname;
+
+function Load_GL_SGI_color_table: Boolean;
+
+//***** GL_SGI_texture_color_table *****//
+const
+  GL_TEXTURE_COLOR_TABLE_SGI = $80BC;
+  GL_PROXY_TEXTURE_COLOR_TABLE_SGI = $80BD;
+
+function Load_GL_SGI_texture_color_table: Boolean;
+
+//***** GL_SUN_vertex *****//
+
+  procedure glColor4ubVertex2fSUN(r: GLubyte; g: GLubyte; b: GLubyte; a: GLubyte; x: GLfloat; y: GLfloat); external dllname;
+  procedure glColor4ubVertex2fvSUN(const c: PGLubyte; const v: PGLfloat); external dllname;
+  procedure glColor4ubVertex3fSUN(r: GLubyte; g: GLubyte; b: GLubyte; a: GLubyte; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glColor4ubVertex3fvSUN(const c: PGLubyte; const v: PGLfloat); external dllname;
+  procedure glColor3fVertex3fSUN(r: GLfloat; g: GLfloat; b: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glColor3fVertex3fvSUN(const c: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glNormal3fVertex3fSUN(nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glNormal3fVertex3fvSUN(const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glColor4fNormal3fVertex3fSUN(r: GLfloat; g: GLfloat; b: GLfloat; a: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glColor4fNormal3fVertex3fvSUN(const c: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord2fVertex3fSUN(s: GLfloat; t: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glTexCoord2fVertex3fvSUN(const tc: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord4fVertex4fSUN(s: GLfloat; t: GLfloat; p: GLfloat; q: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glTexCoord4fVertex4fvSUN(const tc: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord2fColor4ubVertex3fSUN(s: GLfloat; t: GLfloat; r: GLubyte; g: GLubyte; b: GLubyte; a: GLubyte; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glTexCoord2fColor4ubVertex3fvSUN(const tc: PGLfloat; const c: PGLubyte; const v: PGLfloat); external dllname;
+  procedure glTexCoord2fColor3fVertex3fSUN(s: GLfloat; t: GLfloat; r: GLfloat; g: GLfloat; b: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glTexCoord2fColor3fVertex3fvSUN(const tc: PGLfloat; const c: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord2fNormal3fVertex3fSUN(s: GLfloat; t: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glTexCoord2fNormal3fVertex3fvSUN(const tc: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord2fColor4fNormal3fVertex3fSUN(s: GLfloat; t: GLfloat; r: GLfloat; g: GLfloat; b: GLfloat; a: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glTexCoord2fColor4fNormal3fVertex3fvSUN(const tc: PGLfloat; const c: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glTexCoord4fColor4fNormal3fVertex4fSUN(s: GLfloat; t: GLfloat; p: GLfloat; q: GLfloat; r: GLfloat; g: GLfloat; b: GLfloat; a: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glTexCoord4fColor4fNormal3fVertex4fvSUN(const tc: PGLfloat; const c: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiVertex3fSUN(rc: GLuint; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiVertex3fvSUN(const rc: PGLuint; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiColor4ubVertex3fSUN(rc: GLuint; r: GLubyte; g: GLubyte; b: GLubyte; a: GLubyte; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiColor4ubVertex3fvSUN(const rc: PGLuint; const c: PGLubyte; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiColor3fVertex3fSUN(rc: GLuint; r: GLfloat; g: GLfloat; b: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiColor3fVertex3fvSUN(const rc: PGLuint; const c: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiNormal3fVertex3fSUN(rc: GLuint; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiNormal3fVertex3fvSUN(const rc: PGLuint; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiColor4fNormal3fVertex3fSUN(rc: GLuint; r: GLfloat; g: GLfloat; b: GLfloat; a: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiColor4fNormal3fVertex3fvSUN(const rc: PGLuint; const c: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fVertex3fSUN(rc: GLuint; s: GLfloat; t: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fVertex3fvSUN(const rc: PGLuint; const tc: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fNormal3fVertex3fSUN(rc: GLuint; s: GLfloat; t: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fNormal3fVertex3fvSUN(const rc: PGLuint; const tc: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fColor4fNormal3fVertex3fSUN(rc: GLuint; s: GLfloat; t: GLfloat; r: GLfloat; g: GLfloat; b: GLfloat; a: GLfloat; nx: GLfloat; ny: GLfloat; nz: GLfloat; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glReplacementCodeuiTexCoord2fColor4fNormal3fVertex3fvSUN(const rc: PGLuint; const tc: PGLfloat; const c: PGLfloat; const n: PGLfloat; const v: PGLfloat); external dllname;
+
+function Load_GL_SUN_vertex: Boolean;
+
+//***** GL_ARB_fragment_program *****//
+const
+  GL_FRAGMENT_PROGRAM_ARB = $8804;
+  // GL_PROGRAM_FORMAT_ASCII_ARB  { already defined }
+  // GL_PROGRAM_LENGTH_ARB  { already defined }
+  // GL_PROGRAM_FORMAT_ARB  { already defined }
+  // GL_PROGRAM_BINDING_ARB  { already defined }
+  // GL_PROGRAM_INSTRUCTIONS_ARB  { already defined }
+  // GL_MAX_PROGRAM_INSTRUCTIONS_ARB  { already defined }
+  // GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB  { already defined }
+  // GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB  { already defined }
+  // GL_PROGRAM_TEMPORARIES_ARB  { already defined }
+  // GL_MAX_PROGRAM_TEMPORARIES_ARB  { already defined }
+  // GL_PROGRAM_NATIVE_TEMPORARIES_ARB  { already defined }
+  // GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB  { already defined }
+  // GL_PROGRAM_PARAMETERS_ARB  { already defined }
+  // GL_MAX_PROGRAM_PARAMETERS_ARB  { already defined }
+  // GL_PROGRAM_NATIVE_PARAMETERS_ARB  { already defined }
+  // GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB  { already defined }
+  // GL_PROGRAM_ATTRIBS_ARB  { already defined }
+  // GL_MAX_PROGRAM_ATTRIBS_ARB  { already defined }
+  // GL_PROGRAM_NATIVE_ATTRIBS_ARB  { already defined }
+  // GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB  { already defined }
+  // GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB  { already defined }
+  // GL_MAX_PROGRAM_ENV_PARAMETERS_ARB  { already defined }
+  // GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB  { already defined }
+  GL_PROGRAM_ALU_INSTRUCTIONS_ARB = $8805;
+  GL_PROGRAM_TEX_INSTRUCTIONS_ARB = $8806;
+  GL_PROGRAM_TEX_INDIRECTIONS_ARB = $8807;
+  GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = $8808;
+  GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = $8809;
+  GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = $880A;
+  GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB = $880B;
+  GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB = $880C;
+  GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB = $880D;
+  GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = $880E;
+  GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = $880F;
+  GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = $8810;
+  // GL_PROGRAM_STRING_ARB  { already defined }
+  // GL_PROGRAM_ERROR_POSITION_ARB  { already defined }
+  // GL_CURRENT_MATRIX_ARB  { already defined }
+  // GL_TRANSPOSE_CURRENT_MATRIX_ARB  { already defined }
+  // GL_CURRENT_MATRIX_STACK_DEPTH_ARB  { already defined }
+  // GL_MAX_PROGRAM_MATRICES_ARB  { already defined }
+  // GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB  { already defined }
+  GL_MAX_TEXTURE_COORDS_ARB = $8871;
+  GL_MAX_TEXTURE_IMAGE_UNITS_ARB = $8872;
+  // GL_PROGRAM_ERROR_STRING_ARB  { already defined }
+  // GL_MATRIX0_ARB  { already defined }
+  // GL_MATRIX1_ARB  { already defined }
+  // GL_MATRIX2_ARB  { already defined }
+  // GL_MATRIX3_ARB  { already defined }
+  // GL_MATRIX4_ARB  { already defined }
+  // GL_MATRIX5_ARB  { already defined }
+  // GL_MATRIX6_ARB  { already defined }
+  // GL_MATRIX7_ARB  { already defined }
+  // GL_MATRIX8_ARB  { already defined }
+  // GL_MATRIX9_ARB  { already defined }
+  // GL_MATRIX10_ARB  { already defined }
+  // GL_MATRIX11_ARB  { already defined }
+  // GL_MATRIX12_ARB  { already defined }
+  // GL_MATRIX13_ARB  { already defined }
+  // GL_MATRIX14_ARB  { already defined }
+  // GL_MATRIX15_ARB  { already defined }
+  // GL_MATRIX16_ARB  { already defined }
+  // GL_MATRIX17_ARB  { already defined }
+  // GL_MATRIX18_ARB  { already defined }
+  // GL_MATRIX19_ARB  { already defined }
+  // GL_MATRIX20_ARB  { already defined }
+  // GL_MATRIX21_ARB  { already defined }
+  // GL_MATRIX22_ARB  { already defined }
+  // GL_MATRIX23_ARB  { already defined }
+  // GL_MATRIX24_ARB  { already defined }
+  // GL_MATRIX25_ARB  { already defined }
+  // GL_MATRIX26_ARB  { already defined }
+  // GL_MATRIX27_ARB  { already defined }
+  // GL_MATRIX28_ARB  { already defined }
+  // GL_MATRIX29_ARB  { already defined }
+  // GL_MATRIX30_ARB  { already defined }
+  // GL_MATRIX31_ARB  { already defined }
+  // glProgramStringARB  { already defined }
+  // glBindProgramARB  { already defined }
+  // glDeleteProgramsARB  { already defined }
+  // glGenProgramsARB  { already defined }
+  // glProgramEnvParameter4dARB  { already defined }
+  // glProgramEnvParameter4dvARB  { already defined }
+  // glProgramEnvParameter4fARB  { already defined }
+  // glProgramEnvParameter4fvARB  { already defined }
+  // glProgramLocalParameter4dARB  { already defined }
+  // glProgramLocalParameter4dvARB  { already defined }
+  // glProgramLocalParameter4fARB  { already defined }
+  // glProgramLocalParameter4fvARB  { already defined }
+  // glGetProgramEnvParameterdvARB  { already defined }
+  // glGetProgramEnvParameterfvARB  { already defined }
+  // glGetProgramLocalParameterdvARB  { already defined }
+  // glGetProgramLocalParameterfvARB  { already defined }
+  // glGetProgramivARB  { already defined }
+  // glGetProgramStringARB  { already defined }
+  // glIsProgramARB  { already defined }
+
+function Load_GL_ARB_fragment_program: Boolean;
+
+{***** GL_ATI_text_fragment_shader *****}
+const
+     GL_TEXT_FRAGMENT_SHADER_ATI = $8200;
+
+{***** GL_ARB_vertex_buffer_object *****}
+const
+     GL_BUFFER_SIZE_ARB = $8764;
+     GL_BUFFER_USAGE_ARB = $8765;
+     GL_ARRAY_BUFFER_ARB = $8892;
+     GL_ELEMENT_ARRAY_BUFFER_ARB = $8893;
+     GL_ARRAY_BUFFER_BINDING_ARB = $8894;
+     GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB = $8895;
+     GL_VERTEX_ARRAY_BUFFER_BINDING_ARB = $8896;
+     GL_NORMAL_ARRAY_BUFFER_BINDING_ARB = $8897;
+     GL_COLOR_ARRAY_BUFFER_BINDING_ARB = $8898;
+     GL_INDEX_ARRAY_BUFFER_BINDING_ARB = $8899;
+     GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB = $889A;
+     GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB = $889B;
+     GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB = $889C;
+     GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB = $889D;
+     GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB = $889E;
+     GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB = $889F;
+     GL_READ_ONLY_ARB = $88B8;
+     GL_WRITE_ONLY_ARB = $88B9;
+     GL_READ_WRITE_ARB = $88BA;
+     GL_BUFFER_ACCESS_ARB = $88BB;
+     GL_BUFFER_MAPPED_ARB = $88BC;
+     GL_BUFFER_MAP_POINTER_ARB = $88BD;
+     GL_STREAM_DRAW_ARB = $88E0;
+     GL_STREAM_READ_ARB = $88E1;
+     GL_STREAM_COPY_ARB = $88E2;
+     GL_STATIC_DRAW_ARB = $88E4;
+     GL_STATIC_READ_ARB = $88E5;
+     GL_STATIC_COPY_ARB = $88E6;
+     GL_DYNAMIC_DRAW_ARB = $88E8;
+     GL_DYNAMIC_READ_ARB = $88E9;
+     GL_DYNAMIC_COPY_ARB = $88EA;
+
+
+     procedure glBindBufferARB(target : GLenum; buffer: GLuint); external dllname;
+     procedure glDeleteBuffersARB(n : GLsizei; buffers : PGLuint); external dllname;
+     procedure glGenBuffersARB(n : GLsizei; buffers : PGLuint); external dllname;
+     function glIsBufferARB (buffer : GLuint) :GLboolean; external dllname;
+     procedure glBufferDataARB(target : GLenum; size:GLsizei; data:PGLvoid;usage: GLenum); external dllname;
+     procedure glBufferSubDataARB(target : GLenum; offset :GLint; size : GLsizei; data: PGLvoid); external dllname;
+     procedure glGetBufferSubDataARB(target : GLenum; offset :GLint; size : GLsizei; data: PGLvoid); external dllname;
+     function glMapBufferARB (target :GLenum; access: GLenum) : PGLvoid; external dllname;
+     function glUnmapBufferARB (target :GLenum) :GLboolean; external dllname;
+     procedure glGetBufferParameterivARB(target:GLenum; pname:GLenum; params:PGLint); external dllname;
+     procedure glGetBufferPointervARB(target: GLenum; pname:GLenum; params: PPGLvoid); external dllname;
+     function Load_GL_ARB_vertex_buffer_object: boolean;
+
+function Load_GL_ATI_text_fragment_shader: Boolean;
+
+//***** GL_APPLE_client_storage *****//
+const
+  GL_UNPACK_CLIENT_STORAGE_APPLE = $85B2;
+
+function Load_GL_APPLE_client_storage: Boolean;
+
+//***** GL_APPLE_element_array *****//
+const
+  GL_ELEMENT_ARRAY_APPLE = $8768;
+  GL_ELEMENT_ARRAY_TYPE_APPLE = $8769;
+  GL_ELEMENT_ARRAY_POINTER_APPLE = $876A;
+  procedure glElementPointerAPPLE(thetype: GLenum; const pointer: PGLvoid); external dllname;
+  procedure glDrawElementArrayAPPLE(mode: GLenum; first: GLint; count: GLsizei); external dllname;
+  procedure glDrawRangeElementArrayAPPLE(mode: GLenum; start: GLuint; theend: GLuint; first: GLint; count: GLsizei); external dllname;
+  procedure glMultiDrawElementArrayAPPLE(mode: GLenum; const first: PGLint; const count: PGLsizei; primcount: GLsizei); external dllname;
+  procedure glMultiDrawRangeElementArrayAPPLE(mode: GLenum; start: GLuint; theend: GLuint; const first: PGLint; const count: PGLsizei; primcount: GLsizei); external dllname;
+
+function Load_GL_APPLE_element_array: Boolean;
+
+//***** GL_APPLE_fence *****//
+const
+  GL_DRAW_PIXELS_APPLE = $8A0A;
+  GL_FENCE_APPLE = $8A0B;
+
+  procedure glGenFencesAPPLE(n: GLsizei; fences: PGLuint); external dllname;
+  procedure glDeleteFencesAPPLE(n: GLsizei; const fences: PGLuint); external dllname;
+  procedure glSetFenceAPPLE(fence: GLuint); external dllname;
+  function glIsFenceAPPLE(fence: GLuint): GLboolean; external dllname;
+  function glTestFenceAPPLE(fence: GLuint): GLboolean; external dllname;
+  procedure glFinishFenceAPPLE(fence: GLuint); external dllname;
+  function glTestObjectAPPLE(theobject: GLenum; name: GLuint): GLboolean; external dllname;
+  procedure glFinishObjectAPPLE(theobject: GLenum; name: GLint); external dllname;
+
+function Load_GL_APPLE_fence: Boolean;
+
+//***** GL_APPLE_vertex_array_object *****//
+const
+  GL_VERTEX_ARRAY_BINDING_APPLE = $85B5;
+  procedure glBindVertexArrayAPPLE(thearray: GLuint); external dllname;
+  procedure glDeleteVertexArraysAPPLE(n: GLsizei; const arrays: PGLuint); external dllname;
+  procedure glGenVertexArraysAPPLE(n: GLsizei; const arrays: PGLuint); external dllname;
+  function glIsVertexArrayAPPLE(thearray: GLuint): GLboolean; external dllname;
+
+function Load_GL_APPLE_vertex_array_object: Boolean;
+
+//***** GL_APPLE_vertex_array_range *****//
+const
+  GL_VERTEX_ARRAY_RANGE_APPLE = $851D;
+  GL_VERTEX_ARRAY_RANGE_LENGTH_APPLE = $851E;
+  GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_APPLE = $8520;
+  GL_VERTEX_ARRAY_RANGE_POINTER_APPLE = $8521;
+  GL_VERTEX_ARRAY_STORAGE_HINT_APPLE = $851F;
+  GL_STORAGE_CACHED_APPLE = $85BE;
+  GL_STORAGE_SHARED_APPLE = $85BF;
+
+  procedure glVertexArrayRangeAPPLE(length: GLsizei; pointer: PGLvoid); external dllname;
+  procedure glFlushVertexArrayRangeAPPLE(length: GLsizei; pointer: PGLvoid); external dllname;
+  procedure glVertexArrayParameteriAPPLE(pname: GLenum; param: GLint); external dllname;
+
+function Load_GL_APPLE_vertex_array_range: Boolean;
+
+//***** GL_ARB_matrix_palette *****//
+const
+  GL_MATRIX_PALETTE_ARB = $8840;
+  GL_MAX_MATRIX_PALETTE_STACK_DEPTH_ARB = $8841;
+  GL_MAX_PALETTE_MATRICES_ARB = $8842;
+  GL_CURRENT_PALETTE_MATRIX_ARB = $8843;
+  GL_MATRIX_INDEX_ARRAY_ARB = $8844;
+  GL_CURRENT_MATRIX_INDEX_ARB = $8845;
+  GL_MATRIX_INDEX_ARRAY_SIZE_ARB = $8846;
+  GL_MATRIX_INDEX_ARRAY_TYPE_ARB = $8847;
+  GL_MATRIX_INDEX_ARRAY_STRIDE_ARB = $8848;
+  GL_MATRIX_INDEX_ARRAY_POINTER_ARB = $8849;
+
+  procedure glCurrentPaletteMatrixARB(index: GLint); external dllname;
+  procedure glMatrixIndexubvARB(size: GLint; indices: PGLubyte); external dllname;
+  procedure glMatrixIndexusvARB(size: GLint; indices: PGLushort); external dllname;
+  procedure glMatrixIndexuivARB(size: GLint; indices: PGLuint); external dllname;
+  procedure glMatrixIndexPointerARB(size: GLint; thetype: GLenum; stride: GLsizei; pointer: PGLvoid); external dllname;
+
+function Load_GL_ARB_matrix_palette: Boolean;
+
+//***** GL_NV_element_array *****//
+const
+  GL_ELEMENT_ARRAY_TYPE_NV = $8769;
+  GL_ELEMENT_ARRAY_POINTER_NV = $876A;
+
+  procedure glElementPointerNV(thetype: GLenum; const pointer: PGLvoid); external dllname;
+  procedure glDrawElementArrayNV(mode: GLenum; first: GLint; count: GLsizei); external dllname;
+  procedure glDrawRangeElementArrayNV(mode: GLenum; start: GLuint; theend: GLuint; first: GLint; count: GLsizei); external dllname;
+  procedure glMultiDrawElementArrayNV(mode: GLenum; const first: PGLint; const count: PGLsizei; primcount: GLsizei); external dllname;
+  procedure glMultiDrawRangeElementArrayNV(mode: GLenum; start: GLuint; theend: GLuint; const first: PGLint; const count: PGLsizei; primcount: GLsizei); external dllname;
+
+function Load_GL_NV_element_array: Boolean;
+
+//***** GL_NV_float_buffer *****//
+const
+  GL_FLOAT_R_NV = $8880;
+  GL_FLOAT_RG_NV = $8881;
+  GL_FLOAT_RGB_NV = $8882;
+  GL_FLOAT_RGBA_NV = $8883;
+  GL_FLOAT_R16_NV = $8884;
+  GL_FLOAT_R32_NV = $8885;
+  GL_FLOAT_RG16_NV = $8886;
+  GL_FLOAT_RG32_NV = $8887;
+  GL_FLOAT_RGB16_NV = $8888;
+  GL_FLOAT_RGB32_NV = $8889;
+  GL_FLOAT_RGBA16_NV = $888A;
+  GL_FLOAT_RGBA32_NV = $888B;
+  GL_TEXTURE_FLOAT_COMPONENTS_NV = $888C;
+  GL_FLOAT_CLEAR_COLOR_VALUE_NV = $888D;
+  GL_FLOAT_RGBA_MODE_NV = $888E;
+
+function Load_GL_NV_float_buffer: Boolean;
+
+//***** GL_NV_fragment_program *****//
+const
+  GL_FRAGMENT_PROGRAM_NV = $8870;
+  GL_MAX_TEXTURE_COORDS_NV = $8871;
+  GL_MAX_TEXTURE_IMAGE_UNITS_NV = $8872;
+  GL_FRAGMENT_PROGRAM_BINDING_NV = $8873;
+  GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV = $8868;
+  GL_PROGRAM_ERROR_STRING_NV = $8874;
+
+  procedure glProgramNamedParameter4fNV(id: GLuint; len: GLsizei; const name: PGLubyte; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glProgramNamedParameter4dNV(id: GLuint; len: GLsizei; const name: PGLubyte; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glGetProgramNamedParameterfvNV(id: GLuint; len: GLsizei; const name: PGLubyte; params: PGLfloat); external dllname;
+  procedure glGetProgramNamedParameterdvNV(id: GLuint; len: GLsizei; const name: PGLubyte; params: PGLdouble); external dllname;
+  // glProgramLocalParameter4dARB  { already defined }
+  // glProgramLocalParameter4dvARB  { already defined }
+  // glProgramLocalParameter4fARB  { already defined }
+  // glProgramLocalParameter4fvARB  { already defined }
+  // glGetProgramLocalParameterdvARB  { already defined }
+  // glGetProgramLocalParameterfvARB  { already defined }
+
+function Load_GL_NV_fragment_program: Boolean;
+
+//***** GL_NV_primitive_restart *****//
+const
+  GL_PRIMITIVE_RESTART_NV = $8558;
+  GL_PRIMITIVE_RESTART_INDEX_NV = $8559;
+
+  procedure glPrimitiveRestartNV(); external dllname;
+  procedure glPrimitiveRestartIndexNV(index: GLuint); external dllname;
+
+function Load_GL_NV_primitive_restart: Boolean;
+
+//***** GL_NV_vertex_program2 *****//
+
+function Load_GL_NV_vertex_program2: Boolean;
+
+
+//***** GL_NV_pixel_data_range *****//
+const
+  GL_WRITE_PIXEL_DATA_RANGE_NV = $8878;
+  GL_READ_PIXEL_DATA_RANGE_NV = $8879;
+  GL_WRITE_PIXEL_DATA_RANGE_LENGTH_NV = $887A;
+  GL_READ_PIXEL_DATA_RANGE_LENGTH_NV = $887B;
+  GL_WRITE_PIXEL_DATA_RANGE_POINTER_NV = $887C;
+  GL_READ_PIXEL_DATA_RANGE_POINTER_NV = $887D;
+
+  procedure glPixelDataRangeNV(target: GLenum; length: GLsizei; pointer: PGLvoid); external dllname;
+  procedure glFlushPixelDataRangeNV(target: GLenum); external dllname;
+  // wglAllocateMemoryNV  { already defined }
+  // wglFreeMemoryNV  { already defined }
+
+function Load_GL_NV_pixel_data_range: Boolean;
+
+//***** GL_EXT_texture_rectangle *****//
+const
+  GL_TEXTURE_RECTANGLE_EXT = $84F5;
+  GL_TEXTURE_BINDING_RECTANGLE_EXT = $84F6;
+  GL_PROXY_TEXTURE_RECTANGLE_EXT = $84F7;
+  GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT = $84F8;
+
+function Load_GL_EXT_texture_rectangle: Boolean;
+
+//***** GL_S3_s3tc *****//
+const
+  GL_RGB_S3TC = $83A0;
+  GL_RGB4_S3TC = $83A1;
+  GL_RGBA_S3TC = $83A2;
+  GL_RGBA4_S3TC = $83A3;
+
+function Load_GL_S3_s3tc: Boolean;
+
+//***** GL_ATI_draw_buffers *****//
+const
+  GL_MAX_DRAW_BUFFERS_ATI = $8824;
+  GL_DRAW_BUFFER0_ATI = $8825;
+  GL_DRAW_BUFFER1_ATI = $8826;
+  GL_DRAW_BUFFER2_ATI = $8827;
+  GL_DRAW_BUFFER3_ATI = $8828;
+  GL_DRAW_BUFFER4_ATI = $8829;
+  GL_DRAW_BUFFER5_ATI = $882A;
+  GL_DRAW_BUFFER6_ATI = $882B;
+  GL_DRAW_BUFFER7_ATI = $882C;
+  GL_DRAW_BUFFER8_ATI = $882D;
+  GL_DRAW_BUFFER9_ATI = $882E;
+  GL_DRAW_BUFFER10_ATI = $882F;
+  GL_DRAW_BUFFER11_ATI = $8830;
+  GL_DRAW_BUFFER12_ATI = $8831;
+  GL_DRAW_BUFFER13_ATI = $8832;
+  GL_DRAW_BUFFER14_ATI = $8833;
+  GL_DRAW_BUFFER15_ATI = $8834;
+
+  procedure glDrawBuffersATI(n: GLsizei; const bufs: PGLenum); external dllname;
+
+function Load_GL_ATI_draw_buffers: Boolean;
+
+
+//***** GL_ATI_texture_env_combine3 *****//
+const
+  GL_MODULATE_ADD_ATI = $8744;
+  GL_MODULATE_SIGNED_ADD_ATI = $8745;
+  GL_MODULATE_SUBTRACT_ATI = $8746;
+
+function Load_GL_ATI_texture_env_combine3: Boolean;
+
+//***** GL_ATI_texture_float *****//
+const
+  GL_RGBA_FLOAT32_ATI = $8814;
+  GL_RGB_FLOAT32_ATI = $8815;
+  GL_ALPHA_FLOAT32_ATI = $8816;
+  GL_INTENSITY_FLOAT32_ATI = $8817;
+  GL_LUMINANCE_FLOAT32_ATI = $8818;
+  GL_LUMINANCE_ALPHA_FLOAT32_ATI = $8819;
+  GL_RGBA_FLOAT16_ATI = $881A;
+  GL_RGB_FLOAT16_ATI = $881B;
+  GL_ALPHA_FLOAT16_ATI = $881C;
+  GL_INTENSITY_FLOAT16_ATI = $881D;
+  GL_LUMINANCE_FLOAT16_ATI = $881E;
+  GL_LUMINANCE_ALPHA_FLOAT16_ATI = $881F;
+
+function Load_GL_ATI_texture_float: Boolean;
+
+//***** GL_NV_texture_expand_normal *****//
+const
+  GL_TEXTURE_UNSIGNED_REMAP_MODE_NV = $888F;
+
+function Load_GL_NV_texture_expand_normal: Boolean;
+
+//***** GL_NV_half_float *****//
+const
+  GL_HALF_FLOAT_NV = $140B;
+
+  procedure glVertex2hNV(x: GLushort; y: GLushort); external dllname;
+  procedure glVertex2hvNV(const v: PGLushort); external dllname;
+  procedure glVertex3hNV(x: GLushort; y: GLushort; z: GLushort); external dllname;
+  procedure glVertex3hvNV(const v: PGLushort); external dllname;
+  procedure glVertex4hNV(x: GLushort; y: GLushort; z: GLushort; w: GLushort); external dllname;
+  procedure glVertex4hvNV(const v: PGLushort); external dllname;
+  procedure glNormal3hNV(nx: GLushort; ny: GLushort; nz: GLushort); external dllname;
+  procedure glNormal3hvNV(const v: PGLushort); external dllname;
+  procedure glColor3hNV(red: GLushort; green: GLushort; blue: GLushort); external dllname;
+  procedure glColor3hvNV(const v: PGLushort); external dllname;
+  procedure glColor4hNV(red: GLushort; green: GLushort; blue: GLushort; alpha: GLushort); external dllname;
+  procedure glColor4hvNV(const v: PGLushort); external dllname;
+  procedure glTexCoord1hNV(s: GLushort); external dllname;
+  procedure glTexCoord1hvNV(const v: PGLushort); external dllname;
+  procedure glTexCoord2hNV(s: GLushort; t: GLushort); external dllname;
+  procedure glTexCoord2hvNV(const v: PGLushort); external dllname;
+  procedure glTexCoord3hNV(s: GLushort; t: GLushort; r: GLushort); external dllname;
+  procedure glTexCoord3hvNV(const v: PGLushort); external dllname;
+  procedure glTexCoord4hNV(s: GLushort; t: GLushort; r: GLushort; q: GLushort); external dllname;
+  procedure glTexCoord4hvNV(const v: PGLushort); external dllname;
+  procedure glMultiTexCoord1hNV(target: GLenum; s: GLushort); external dllname;
+  procedure glMultiTexCoord1hvNV(target: GLenum; const v: PGLushort); external dllname;
+  procedure glMultiTexCoord2hNV(target: GLenum; s: GLushort; t: GLushort); external dllname;
+  procedure glMultiTexCoord2hvNV(target: GLenum; const v: PGLushort); external dllname;
+  procedure glMultiTexCoord3hNV(target: GLenum; s: GLushort; t: GLushort; r: GLushort); external dllname;
+  procedure glMultiTexCoord3hvNV(target: GLenum; const v: PGLushort); external dllname;
+  procedure glMultiTexCoord4hNV(target: GLenum; s: GLushort; t: GLushort; r: GLushort; q: GLushort); external dllname;
+  procedure glMultiTexCoord4hvNV(target: GLenum; const v: PGLushort); external dllname;
+  procedure glFogCoordhNV(fog: GLushort); external dllname;
+  procedure glFogCoordhvNV(const fog: PGLushort); external dllname;
+  procedure glSecondaryColor3hNV(red: GLushort; green: GLushort; blue: GLushort); external dllname;
+  procedure glSecondaryColor3hvNV(const v: PGLushort); external dllname;
+  procedure glVertexWeighthNV(weight: GLushort); external dllname;
+  procedure glVertexWeighthvNV(const weight: PGLushort); external dllname;
+  procedure glVertexAttrib1hNV(index: GLuint; x: GLushort); external dllname;
+  procedure glVertexAttrib1hvNV(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib2hNV(index: GLuint; x: GLushort; y: GLushort); external dllname;
+  procedure glVertexAttrib2hvNV(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib3hNV(index: GLuint; x: GLushort; y: GLushort; z: GLushort); external dllname;
+  procedure glVertexAttrib3hvNV(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib4hNV(index: GLuint; x: GLushort; y: GLushort; z: GLushort; w: GLushort); external dllname;
+  procedure glVertexAttrib4hvNV(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttribs1hvNV(index: GLuint; n: GLsizei; const v: PGLushort); external dllname;
+  procedure glVertexAttribs2hvNV(index: GLuint; n: GLsizei; const v: PGLushort); external dllname;
+  procedure glVertexAttribs3hvNV(index: GLuint; n: GLsizei; const v: PGLushort); external dllname;
+  procedure glVertexAttribs4hvNV(index: GLuint; n: GLsizei; const v: PGLushort); external dllname;
+
+function Load_GL_NV_half_float: Boolean;
+
+//***** GL_ATI_map_object_buffer *****//
+
+  function glMapObjectBufferATI(buffer: GLuint): PGLvoid; external dllname;
+  procedure glUnmapObjectBufferATI(buffer: GLuint); external dllname;
+
+function Load_GL_ATI_map_object_buffer: Boolean;
+
+//***** GL_ATI_separate_stencil *****//
+const
+  GL_KEEP = $1E00;
+  GL_ZERO = $0000;
+  GL_REPLACE = $1E01;
+  GL_INCR = $1E02;
+  GL_DECR = $1E03;
+  GL_INVERT = $150A;
+  GL_NEVER = $0200;
+  GL_LESS = $0201;
+  GL_LEQUAL = $0203;
+  GL_GREATER = $0204;
+  GL_GEQUAL = $0206;
+  GL_EQUAL = $0202;
+  GL_NOTEQUAL = $0205;
+  GL_ALWAYS = $0207;
+  GL_FRONT = $0404;
+  GL_BACK = $0405;
+  GL_FRONT_AND_BACK = $0408;
+  GL_STENCIL_BACK_FUNC_ATI = $8800;
+  GL_STENCIL_BACK_FAIL_ATI = $8801;
+  GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI = $8802;
+  GL_STENCIL_BACK_PASS_DEPTH_PASS_ATI = $8803;
+
+  procedure glStencilOpSeparateATI(face: GLenum; sfail: GLenum; dpfail: GLenum; dppass: GLenum); external dllname;
+  procedure glStencilFuncSeparateATI(frontfunc: GLenum; backfunc: GLenum; ref: GLint; mask: GLuint); external dllname;
+
+function Load_GL_ATI_separate_stencil: Boolean;
+
+//***** GL_ATI_vertex_attrib_array_object *****//
+
+  procedure glVertexAttribArrayObjectATI(index: GLuint; size: GLint; thetype: GLenum; normalized: GLboolean; stride: GLsizei; buffer: GLuint; offset: GLuint); external dllname;
+  procedure glGetVertexAttribArrayObjectfvATI(index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetVertexAttribArrayObjectivATI(index: GLuint; pname: GLenum; params: PGLint); external dllname;
+
+function Load_GL_ATI_vertex_attrib_array_object: Boolean;
+
+//***** GL_ARB_occlusion_query *****//
+const
+  GL_SAMPLES_PASSED_ARB = $8914;
+  GL_QUERY_COUNTER_BITS_ARB = $8864;
+  GL_CURRENT_QUERY_ARB = $8865;
+  GL_QUERY_RESULT_ARB = $8866;
+  GL_QUERY_RESULT_AVAILABLE_ARB = $8867;
+
+  procedure glGenQueriesARB(n: GLsizei; ids: PGLuint); external dllname;
+  procedure glDeleteQueriesARB(n: GLsizei; const ids: PGLuint); external dllname;
+  function glIsQueryARB(id: GLuint): GLboolean; external dllname;
+  procedure glBeginQueryARB(target: GLenum; id: GLuint); external dllname;
+  procedure glEndQueryARB(target: GLenum); external dllname;
+  procedure glGetQueryivARB(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetQueryObjectivARB(id: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetQueryObjectuivARB(id: GLuint; pname: GLenum; params: PGLuint); external dllname;
+
+function Load_GL_ARB_occlusion_query: Boolean;
+
+//***** GL_ARB_shader_objects *****//
+const
+  GL_PROGRAM_OBJECT_ARB = $8B40;
+  GL_OBJECT_TYPE_ARB = $8B4E;
+  GL_OBJECT_SUBTYPE_ARB = $8B4F;
+  GL_OBJECT_DELETE_STATUS_ARB = $8B80;
+  GL_OBJECT_COMPILE_STATUS_ARB = $8B81;
+  GL_OBJECT_LINK_STATUS_ARB = $8B82;
+  GL_OBJECT_VALIDATE_STATUS_ARB = $8B83;
+  GL_OBJECT_INFO_LOG_LENGTH_ARB = $8B84;
+  GL_OBJECT_ATTACHED_OBJECTS_ARB = $8B85;
+  GL_OBJECT_ACTIVE_UNIFORMS_ARB = $8B86;
+  GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB = $8B87;
+  GL_OBJECT_SHADER_SOURCE_LENGTH_ARB = $8B88;
+  GL_SHADER_OBJECT_ARB = $8B48;
+  GL_FLOAT = $1406;
+  GL_FLOAT_VEC2_ARB = $8B50;
+  GL_FLOAT_VEC3_ARB = $8B51;
+  GL_FLOAT_VEC4_ARB = $8B52;
+  GL_INT = $1404;
+  GL_INT_VEC2_ARB = $8B53;
+  GL_INT_VEC3_ARB = $8B54;
+  GL_INT_VEC4_ARB = $8B55;
+  GL_BOOL_ARB = $8B56;
+  GL_BOOL_VEC2_ARB = $8B57;
+  GL_BOOL_VEC3_ARB = $8B58;
+  GL_BOOL_VEC4_ARB = $8B59;
+  GL_FLOAT_MAT2_ARB = $8B5A;
+  GL_FLOAT_MAT3_ARB = $8B5B;
+  GL_FLOAT_MAT4_ARB = $8B5C;
+
+  procedure glDeleteObjectARB(obj: GLhandleARB); external dllname;
+  function glGetHandleARB(pname: GLenum): GLhandleARB; external dllname;
+  procedure glDetachObjectARB(containerObj: GLhandleARB; attachedObj: GLhandleARB); external dllname;
+  function glCreateShaderObjectARB(shaderType: GLenum): GLhandleARB; external dllname;
+  procedure glShaderSourceARB(shaderObj: GLhandleARB; count: GLsizei; const str: PGLvoid; const length: PGLint); external dllname;
+  procedure glCompileShaderARB(shaderObj: GLhandleARB); external dllname;
+  function glCreateProgramObjectARB(): GLhandleARB; external dllname;
+  procedure glAttachObjectARB(containerObj: GLhandleARB; obj: GLhandleARB); external dllname;
+  procedure glLinkProgramARB(programObj: GLhandleARB); external dllname;
+  procedure glUseProgramObjectARB(programObj: GLhandleARB); external dllname;
+  procedure glValidateProgramARB(programObj: GLhandleARB); external dllname;
+  procedure glUniform1fARB(location: GLint; v0: GLfloat); external dllname;
+  procedure glUniform2fARB(location: GLint; v0: GLfloat; v1: GLfloat); external dllname;
+  procedure glUniform3fARB(location: GLint; v0: GLfloat; v1: GLfloat; v2: GLfloat); external dllname;
+  procedure glUniform4fARB(location: GLint; v0: GLfloat; v1: GLfloat; v2: GLfloat; v3: GLfloat); external dllname;
+  procedure glUniform1iARB(location: GLint; v0: GLint); external dllname;
+  procedure glUniform2iARB(location: GLint; v0: GLint; v1: GLint); external dllname;
+  procedure glUniform3iARB(location: GLint; v0: GLint; v1: GLint; v2: GLint); external dllname;
+  procedure glUniform4iARB(location: GLint; v0: GLint; v1: GLint; v2: GLint; v3: GLint); external dllname;
+  procedure glUniform1fvARB(location: GLint; count: GLsizei; value: PGLfloat); external dllname;
+  procedure glUniform2fvARB(location: GLint; count: GLsizei; value: PGLfloat); external dllname;
+  procedure glUniform3fvARB(location: GLint; count: GLsizei; value: PGLfloat); external dllname;
+  procedure glUniform4fvARB(location: GLint; count: GLsizei; value: PGLfloat); external dllname;
+  procedure glUniform1ivARB(location: GLint; count: GLsizei; value: PGLint); external dllname;
+  procedure glUniform2ivARB(location: GLint; count: GLsizei; value: PGLint); external dllname;
+  procedure glUniform3ivARB(location: GLint; count: GLsizei; value: PGLint); external dllname;
+  procedure glUniform4ivARB(location: GLint; count: GLsizei; value: PGLint); external dllname;
+  procedure glUniformMatrix2fvARB(location: GLint; count: GLsizei; transpose: GLboolean; value: PGLfloat); external dllname;
+  procedure glUniformMatrix3fvARB(location: GLint; count: GLsizei; transpose: GLboolean; value: PGLfloat); external dllname;
+  procedure glUniformMatrix4fvARB(location: GLint; count: GLsizei; transpose: GLboolean; value: PGLfloat); external dllname;
+  procedure glGetObjectParameterfvARB(obj: GLhandleARB; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetObjectParameterivARB(obj: GLhandleARB; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetInfoLogARB(obj: GLhandleARB; maxLength: GLsizei; length: PGLsizei; infoLog: PGLcharARB); external dllname;
+  procedure glGetAttachedObjectsARB(containerObj: GLhandleARB; maxCount: GLsizei; count: PGLsizei; obj: PGLhandleARB); external dllname;
+  function glGetUniformLocationARB(programObj: GLhandleARB; const name: PGLcharARB): GLint; external dllname;
+  procedure glGetActiveUniformARB(programObj: GLhandleARB; index: GLuint; maxLength: GLsizei; length: PGLsizei; size: PGLint; thetype: PGLenum; name: PGLcharARB); external dllname;
+  procedure glGetUniformfvARB(programObj: GLhandleARB; location: GLint; params: PGLfloat); external dllname;
+  procedure glGetUniformivARB(programObj: GLhandleARB; location: GLint; params: PGLint); external dllname;
+  procedure glGetShaderSourceARB(obj: GLhandleARB; maxLength: GLsizei; length: PGLsizei; source: PGLcharARB); external dllname;
+
+function Load_GL_ARB_shader_objects: Boolean;
+
+//***** GL_ARB_vertex_shader *****//
+const
+  GL_VERTEX_SHADER_ARB = $8B31;
+  GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB = $8B4A;
+  GL_MAX_VARYING_FLOATS_ARB = $8B4B;
+  // GL_MAX_VERTEX_ATTRIBS_ARB  { already defined }
+  // GL_MAX_TEXTURE_IMAGE_UNITS_ARB  { already defined }
+  GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB = $8B4C;
+  GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB = $8B4D;
+  // GL_MAX_TEXTURE_COORDS_ARB  { already defined }
+  // GL_VERTEX_PROGRAM_POINT_SIZE_ARB  { already defined }
+  // GL_VERTEX_PROGRAM_TWO_SIDE_ARB  { already defined }
+  // GL_OBJECT_TYPE_ARB  { already defined }
+  // GL_OBJECT_SUBTYPE_ARB  { already defined }
+  GL_OBJECT_ACTIVE_ATTRIBUTES_ARB = $8B89;
+  GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB = $8B8A;
+  // GL_SHADER_OBJECT_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB  { already defined }
+  // GL_CURRENT_VERTEX_ATTRIB_ARB  { already defined }
+  // GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB  { already defined }
+  // GL_FLOAT  { already defined }
+  // GL_FLOAT_VEC2_ARB  { already defined }
+  // GL_FLOAT_VEC3_ARB  { already defined }
+  // GL_FLOAT_VEC4_ARB  { already defined }
+  // GL_FLOAT_MAT2_ARB  { already defined }
+  // GL_FLOAT_MAT3_ARB  { already defined }
+  // GL_FLOAT_MAT4_ARB  { already defined }
+  // glVertexAttrib1fARB  { already defined }
+  // glVertexAttrib1sARB  { already defined }
+  // glVertexAttrib1dARB  { already defined }
+  // glVertexAttrib2fARB  { already defined }
+  // glVertexAttrib2sARB  { already defined }
+  // glVertexAttrib2dARB  { already defined }
+  // glVertexAttrib3fARB  { already defined }
+  // glVertexAttrib3sARB  { already defined }
+  // glVertexAttrib3dARB  { already defined }
+  // glVertexAttrib4fARB  { already defined }
+  // glVertexAttrib4sARB  { already defined }
+  // glVertexAttrib4dARB  { already defined }
+  // glVertexAttrib4NubARB  { already defined }
+  // glVertexAttrib1fvARB  { already defined }
+  // glVertexAttrib1svARB  { already defined }
+  // glVertexAttrib1dvARB  { already defined }
+  // glVertexAttrib2fvARB  { already defined }
+  // glVertexAttrib2svARB  { already defined }
+  // glVertexAttrib2dvARB  { already defined }
+  // glVertexAttrib3fvARB  { already defined }
+  // glVertexAttrib3svARB  { already defined }
+  // glVertexAttrib3dvARB  { already defined }
+  // glVertexAttrib4fvARB  { already defined }
+  // glVertexAttrib4svARB  { already defined }
+  // glVertexAttrib4dvARB  { already defined }
+  // glVertexAttrib4ivARB  { already defined }
+  // glVertexAttrib4bvARB  { already defined }
+  // glVertexAttrib4ubvARB  { already defined }
+  // glVertexAttrib4usvARB  { already defined }
+  // glVertexAttrib4uivARB  { already defined }
+  // glVertexAttrib4NbvARB  { already defined }
+  // glVertexAttrib4NsvARB  { already defined }
+  // glVertexAttrib4NivARB  { already defined }
+  // glVertexAttrib4NubvARB  { already defined }
+  // glVertexAttrib4NusvARB  { already defined }
+  // glVertexAttrib4NuivARB  { already defined }
+  // glVertexAttribPointerARB  { already defined }
+  // glEnableVertexAttribArrayARB  { already defined }
+  // glDisableVertexAttribArrayARB  { already defined }
+
+  procedure glBindAttribLocationARB(programObj: GLhandleARB; index: GLuint; const name: PGLcharARB); external dllname;
+  procedure glGetActiveAttribARB(programObj: GLhandleARB; index: GLuint; maxLength: GLsizei; length: PGLsizei; size: PGLint; thetype: PGLenum; name: PGLcharARB); external dllname;
+  function glGetAttribLocationARB(programObj: GLhandleARB; const name: PGLcharARB): GLint; external dllname;
+  // glGetVertexAttribdvARB  { already defined }
+  // glGetVertexAttribfvARB  { already defined }
+  // glGetVertexAttribivARB  { already defined }
+  // glGetVertexAttribPointervARB  { already defined }
+
+function Load_GL_ARB_vertex_shader: Boolean;
+
+//***** GL_ARB_fragment_shader *****//
+const
+  GL_FRAGMENT_SHADER_ARB = $8B30;
+  GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB = $8B49;
+  // GL_MAX_TEXTURE_COORDS_ARB  { already defined }
+  // GL_MAX_TEXTURE_IMAGE_UNITS_ARB  { already defined }
+  // GL_OBJECT_TYPE_ARB  { already defined }
+  // GL_OBJECT_SUBTYPE_ARB  { already defined }
+  // GL_SHADER_OBJECT_ARB  { already defined }
+
+function Load_GL_ARB_fragment_shader: Boolean;
+
+//***** GL_ARB_shading_language_100 *****//
+
+function Load_GL_ARB_shading_language_100: Boolean;
+
+//***** GL_ARB_texture_non_power_of_two *****//
+
+function Load_GL_ARB_texture_non_power_of_two: Boolean;
+
+//***** GL_ARB_point_sprite *****//
+const
+  GL_POINT_SPRITE_ARB = $8861;
+  GL_COORD_REPLACE_ARB = $8862;
+
+function Load_GL_ARB_point_sprite: Boolean;
+
+//***** GL_EXT_depth_bounds_test *****//
+const
+  GL_DEPTH_BOUNDS_TEST_EXT = $8890;
+  GL_DEPTH_BOUNDS_EXT = $8891;
+
+  procedure glDepthBoundsEXT(zmin: GLclampd; zmax: GLclampd); external dllname;
+
+function Load_GL_EXT_depth_bounds_test: Boolean;
+
+//***** GL_EXT_texture_mirror_clamp *****//
+const
+  GL_MIRROR_CLAMP_EXT = $8742;
+  GL_MIRROR_CLAMP_TO_EDGE_EXT = $8743;
+  GL_MIRROR_CLAMP_TO_BORDER_EXT = $8912;
+
+function Load_GL_EXT_texture_mirror_clamp: Boolean;
+
+//***** GL_EXT_blend_equation_separate *****//
+const
+  GL_BLEND_EQUATION_RGB_EXT = $8009;
+  GL_BLEND_EQUATION_ALPHA_EXT = $883D;
+
+  procedure glBlendEquationSeparateEXT(modeRGB: GLenum; modeAlpha: GLenum); external dllname;
+
+function Load_GL_EXT_blend_equation_separate: Boolean;
+
+//***** GL_MESA_pack_invert *****//
+const
+  GL_PACK_INVERT_MESA = $8758;
+
+function Load_GL_MESA_pack_invert: Boolean;
+
+//***** GL_MESA_ycbcr_texture *****//
+const
+  GL_YCBCR_MESA = $8757;
+  GL_UNSIGNED_SHORT_8_8_MESA = $85BA;
+  GL_UNSIGNED_SHORT_8_8_REV_MESA = $85BB;
+
+function Load_GL_MESA_ycbcr_texture: Boolean;
+
+//***** GL_ARB_fragment_program_shadow *****//
+
+function Load_GL_ARB_fragment_program_shadow: Boolean;
+
+//***** GL_NV_fragment_program_option *****//
+
+function Load_GL_NV_fragment_program_option: Boolean;
+
+//***** GL_EXT_pixel_buffer_object *****//
+const
+  GL_PIXEL_PACK_BUFFER_EXT = $88EB;
+  GL_PIXEL_UNPACK_BUFFER_EXT = $88EC;
+  GL_PIXEL_PACK_BUFFER_BINDING_EXT = $88ED;
+  GL_PIXEL_UNPACK_BUFFER_BINDING_EXT = $88EF;
+
+function Load_GL_EXT_pixel_buffer_object: Boolean;
+
+//***** GL_NV_fragment_program2 *****//
+const
+  GL_MAX_PROGRAM_EXEC_INSTRUCTIONS_NV = $88F4;
+  GL_MAX_PROGRAM_CALL_DEPTH_NV = $88F5;
+  GL_MAX_PROGRAM_IF_DEPTH_NV = $88F6;
+  GL_MAX_PROGRAM_LOOP_DEPTH_NV = $88F7;
+  GL_MAX_PROGRAM_LOOP_COUNT_NV = $88F8;
+
+function Load_GL_NV_fragment_program2: Boolean;
+
+//***** GL_NV_vertex_program2_option *****//
+  // GL_MAX_PROGRAM_EXEC_INSTRUCTIONS_NV  { already defined }
+  // GL_MAX_PROGRAM_CALL_DEPTH_NV  { already defined }
+
+function Load_GL_NV_vertex_program2_option: Boolean;
+
+//***** GL_NV_vertex_program3 *****//
+  // GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB  { already defined }
+
+function Load_GL_NV_vertex_program3: Boolean;
+
+//***** GL_ARB_draw_buffers *****//
+const
+  GL_MAX_DRAW_BUFFERS_ARB = $8824;
+  GL_DRAW_BUFFER0_ARB = $8825;
+  GL_DRAW_BUFFER1_ARB = $8826;
+  GL_DRAW_BUFFER2_ARB = $8827;
+  GL_DRAW_BUFFER3_ARB = $8828;
+  GL_DRAW_BUFFER4_ARB = $8829;
+  GL_DRAW_BUFFER5_ARB = $882A;
+  GL_DRAW_BUFFER6_ARB = $882B;
+  GL_DRAW_BUFFER7_ARB = $882C;
+  GL_DRAW_BUFFER8_ARB = $882D;
+  GL_DRAW_BUFFER9_ARB = $882E;
+  GL_DRAW_BUFFER10_ARB = $882F;
+  GL_DRAW_BUFFER11_ARB = $8830;
+  GL_DRAW_BUFFER12_ARB = $8831;
+  GL_DRAW_BUFFER13_ARB = $8832;
+  GL_DRAW_BUFFER14_ARB = $8833;
+  GL_DRAW_BUFFER15_ARB = $8834;
+
+  procedure glDrawBuffersARB(n: GLsizei; const bufs: PGLenum); external dllname;
+
+function Load_GL_ARB_draw_buffers: Boolean;
+
+//***** GL_ARB_texture_rectangle *****//
+const
+  GL_TEXTURE_RECTANGLE_ARB = $84F5;
+  GL_TEXTURE_BINDING_RECTANGLE_ARB = $84F6;
+  GL_PROXY_TEXTURE_RECTANGLE_ARB = $84F7;
+  GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB = $84F8;
+
+function Load_GL_ARB_texture_rectangle: Boolean;
+
+//***** GL_ARB_color_buffer_float *****//
+const
+  GL_RGBA_FLOAT_MODE_ARB = $8820;
+  GL_CLAMP_VERTEX_COLOR_ARB = $891A;
+  GL_CLAMP_FRAGMENT_COLOR_ARB = $891B;
+  GL_CLAMP_READ_COLOR_ARB = $891C;
+  GL_FIXED_ONLY_ARB = $891D;
+  WGL_TYPE_RGBA_FLOAT_ARB = $21A0;
+
+  procedure glClampColorARB(target: GLenum; clamp: GLenum); external dllname;
+
+function Load_GL_ARB_color_buffer_float: Boolean;
+
+//***** GL_ARB_half_float_pixel *****//
+const
+  GL_HALF_FLOAT_ARB = $140B;
+
+function Load_GL_ARB_half_float_pixel: Boolean;
+
+//***** GL_ARB_texture_float *****//
+const
+  GL_TEXTURE_RED_TYPE_ARB = $8C10;
+  GL_TEXTURE_GREEN_TYPE_ARB = $8C11;
+  GL_TEXTURE_BLUE_TYPE_ARB = $8C12;
+  GL_TEXTURE_ALPHA_TYPE_ARB = $8C13;
+  GL_TEXTURE_LUMINANCE_TYPE_ARB = $8C14;
+  GL_TEXTURE_INTENSITY_TYPE_ARB = $8C15;
+  GL_TEXTURE_DEPTH_TYPE_ARB = $8C16;
+  GL_UNSIGNED_NORMALIZED_ARB = $8C17;
+  GL_RGBA32F_ARB = $8814;
+  GL_RGB32F_ARB = $8815;
+  GL_ALPHA32F_ARB = $8816;
+  GL_INTENSITY32F_ARB = $8817;
+  GL_LUMINANCE32F_ARB = $8818;
+  GL_LUMINANCE_ALPHA32F_ARB = $8819;
+  GL_RGBA16F_ARB = $881A;
+  GL_RGB16F_ARB = $881B;
+  GL_ALPHA16F_ARB = $881C;
+  GL_INTENSITY16F_ARB = $881D;
+  GL_LUMINANCE16F_ARB = $881E;
+  GL_LUMINANCE_ALPHA16F_ARB = $881F;
+
+function Load_GL_ARB_texture_float: Boolean;
+
+//***** GL_EXT_texture_compression_dxt1 *****//
+  // GL_COMPRESSED_RGB_S3TC_DXT1_EXT  { already defined }
+  // GL_COMPRESSED_RGBA_S3TC_DXT1_EXT  { already defined }
+
+function Load_GL_EXT_texture_compression_dxt1: Boolean;
+
+//***** GL_ARB_pixel_buffer_object *****//
+const
+  GL_PIXEL_PACK_BUFFER_ARB = $88EB;
+  GL_PIXEL_UNPACK_BUFFER_ARB = $88EC;
+  GL_PIXEL_PACK_BUFFER_BINDING_ARB = $88ED;
+  GL_PIXEL_UNPACK_BUFFER_BINDING_ARB = $88EF;
+
+function Load_GL_ARB_pixel_buffer_object: Boolean;
+
+//***** GL_EXT_framebuffer_object *****//
+const
+  GL_FRAMEBUFFER_EXT = $8D40;
+  GL_RENDERBUFFER_EXT = $8D41;
+  GL_STENCIL_INDEX_EXT = $8D45;
+  GL_STENCIL_INDEX1_EXT = $8D46;
+  GL_STENCIL_INDEX4_EXT = $8D47;
+  GL_STENCIL_INDEX8_EXT = $8D48;
+  GL_STENCIL_INDEX16_EXT = $8D49;
+  GL_RENDERBUFFER_WIDTH_EXT = $8D42;
+  GL_RENDERBUFFER_HEIGHT_EXT = $8D43;
+  GL_RENDERBUFFER_INTERNAL_FORMAT_EXT = $8D44;
+  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT = $8CD0;
+  GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT = $8CD1;
+  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT = $8CD2;
+  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT = $8CD3;
+  GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT = $8CD4;
+  GL_COLOR_ATTACHMENT0_EXT = $8CE0;
+  GL_COLOR_ATTACHMENT1_EXT = $8CE1;
+  GL_COLOR_ATTACHMENT2_EXT = $8CE2;
+  GL_COLOR_ATTACHMENT3_EXT = $8CE3;
+  GL_COLOR_ATTACHMENT4_EXT = $8CE4;
+  GL_COLOR_ATTACHMENT5_EXT = $8CE5;
+  GL_COLOR_ATTACHMENT6_EXT = $8CE6;
+  GL_COLOR_ATTACHMENT7_EXT = $8CE7;
+  GL_COLOR_ATTACHMENT8_EXT = $8CE8;
+  GL_COLOR_ATTACHMENT9_EXT = $8CE9;
+  GL_COLOR_ATTACHMENT10_EXT = $8CEA;
+  GL_COLOR_ATTACHMENT11_EXT = $8CEB;
+  GL_COLOR_ATTACHMENT12_EXT = $8CEC;
+  GL_COLOR_ATTACHMENT13_EXT = $8CED;
+  GL_COLOR_ATTACHMENT14_EXT = $8CEE;
+  GL_COLOR_ATTACHMENT15_EXT = $8CEF;
+  GL_DEPTH_ATTACHMENT_EXT = $8D00;
+  GL_STENCIL_ATTACHMENT_EXT = $8D20;
+  GL_FRAMEBUFFER_COMPLETE_EXT = $8CD5;
+  GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT = $8CD6;
+  GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT = $8CD7;
+  GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT = $8CD8;
+  GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT = $8CD9;
+  GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT = $8CDA;
+  GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT = $8CDB;
+  GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT = $8CDC;
+  GL_FRAMEBUFFER_UNSUPPORTED_EXT = $8CDD;
+  GL_FRAMEBUFFER_STATUS_ERROR_EXT = $8CDE;
+  GL_FRAMEBUFFER_BINDING_EXT = $8CA6;
+  GL_RENDERBUFFER_BINDING_EXT = $8CA7;
+  GL_MAX_COLOR_ATTACHMENTS_EXT = $8CDF;
+  GL_MAX_RENDERBUFFER_SIZE_EXT = $84E8;
+  GL_INVALID_FRAMEBUFFER_OPERATION_EXT = $0506;
+
+  function glIsRenderbufferEXT(renderbuffer: GLuint): GLboolean; external dllname;
+  procedure glBindRenderbufferEXT(target: GLenum; renderbuffer: GLuint); external dllname;
+  procedure glDeleteRenderbuffersEXT(n: GLsizei; const renderbuffers: PGLuint); external dllname;
+  procedure glGenRenderbuffersEXT(n: GLsizei; renderbuffers: PGLuint); external dllname;
+  procedure glRenderbufferStorageEXT(target: GLenum; internalformat: GLenum; width: GLsizei; height: GLsizei); external dllname;
+  procedure glGetRenderbufferParameterivEXT(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  function glIsFramebufferEXT(framebuffer: GLuint): GLboolean; external dllname;
+  procedure glBindFramebufferEXT(target: GLenum; framebuffer: GLuint); external dllname;
+  procedure glDeleteFramebuffersEXT(n: GLsizei; const framebuffers: PGLuint); external dllname;
+  procedure glGenFramebuffersEXT(n: GLsizei; framebuffers: PGLuint); external dllname;
+  function glCheckFramebufferStatusEXT(target: GLenum): GLenum; external dllname;
+  procedure glFramebufferTexture1DEXT(target: GLenum; attachment: GLenum; textarget: GLenum; texture: GLuint; level: GLint); external dllname;
+  procedure glFramebufferTexture2DEXT(target: GLenum; attachment: GLenum; textarget: GLenum; texture: GLuint; level: GLint); external dllname;
+  procedure glFramebufferTexture3DEXT(target: GLenum; attachment: GLenum; textarget: GLenum; texture: GLuint; level: GLint; zoffset: GLint); external dllname;
+  procedure glFramebufferRenderbufferEXT(target: GLenum; attachment: GLenum; renderbuffertarget: GLenum; renderbuffer: GLuint); external dllname;
+  procedure glGetFramebufferAttachmentParameterivEXT(target: GLenum; attachment: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGenerateMipmapEXT(target: GLenum); external dllname;
+
+function Load_GL_EXT_framebuffer_object: Boolean;
+
+//***** GL_version_1_4 *****//
+const
+  GL_BLEND_DST_RGB = $80C8;
+  GL_BLEND_SRC_RGB = $80C9;
+  GL_BLEND_DST_ALPHA = $80CA;
+  GL_BLEND_SRC_ALPHA = $80CB;
+  GL_POINT_SIZE_MIN = $8126;
+  GL_POINT_SIZE_MAX = $8127;
+  GL_POINT_FADE_THRESHOLD_SIZE = $8128;
+  GL_POINT_DISTANCE_ATTENUATION = $8129;
+  GL_GENERATE_MIPMAP = $8191;
+  GL_GENERATE_MIPMAP_HINT = $8192;
+  GL_DEPTH_COMPONENT16 = $81A5;
+  GL_DEPTH_COMPONENT24 = $81A6;
+  GL_DEPTH_COMPONENT32 = $81A7;
+  GL_MIRRORED_REPEAT = $8370;
+  GL_FOG_COORDINATE_SOURCE = $8450;
+  GL_FOG_COORDINATE = $8451;
+  GL_FRAGMENT_DEPTH = $8452;
+  GL_CURRENT_FOG_COORDINATE = $8453;
+  GL_FOG_COORDINATE_ARRAY_TYPE = $8454;
+  GL_FOG_COORDINATE_ARRAY_STRIDE = $8455;
+  GL_FOG_COORDINATE_ARRAY_POINTER = $8456;
+  GL_FOG_COORDINATE_ARRAY = $8457;
+  GL_COLOR_SUM = $8458;
+  GL_CURRENT_SECONDARY_COLOR = $8459;
+  GL_SECONDARY_COLOR_ARRAY_SIZE = $845A;
+  GL_SECONDARY_COLOR_ARRAY_TYPE = $845B;
+  GL_SECONDARY_COLOR_ARRAY_STRIDE = $845C;
+  GL_SECONDARY_COLOR_ARRAY_POINTER = $845D;
+  GL_SECONDARY_COLOR_ARRAY = $845E;
+  GL_MAX_TEXTURE_LOD_BIAS = $84FD;
+  GL_TEXTURE_FILTER_CONTROL = $8500;
+  GL_TEXTURE_LOD_BIAS = $8501;
+  GL_INCR_WRAP = $8507;
+  GL_DECR_WRAP = $8508;
+  GL_TEXTURE_DEPTH_SIZE = $884A;
+  GL_DEPTH_TEXTURE_MODE = $884B;
+  GL_TEXTURE_COMPARE_MODE = $884C;
+  GL_TEXTURE_COMPARE_FUNC = $884D;
+  GL_COMPARE_R_TO_TEXTURE = $884E;
+
+  procedure glBlendFuncSeparate(sfactorRGB: GLenum; dfactorRGB: GLenum; sfactorAlpha: GLenum; dfactorAlpha: GLenum); external dllname;
+  procedure glFogCoordf(coord: GLfloat); external dllname;
+  procedure glFogCoordfv(const coord: PGLfloat); external dllname;
+  procedure glFogCoordd(coord: GLdouble); external dllname;
+  procedure glFogCoorddv(const coord: PGLdouble); external dllname;
+  procedure glFogCoordPointer(thetype: GLenum; stride: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glMultiDrawArrays(mode: GLenum; first: PGLint; count: PGLsizei; primcount: GLsizei); external dllname;
+  procedure glMultiDrawElements(mode: GLenum; const count: PGLsizei; thetype: GLenum; const indices: PGLvoid; primcount: GLsizei); external dllname;
+  procedure glPointParameterf(pname: GLenum; param: GLfloat); external dllname;
+  procedure glPointParameterfv(pname: GLenum; const params: PGLfloat); external dllname;
+  procedure glPointParameteri(pname: GLenum; param: GLint); external dllname;
+  procedure glPointParameteriv(pname: GLenum; const params: PGLint); external dllname;
+  procedure glSecondaryColor3b(red: GLbyte; green: GLbyte; blue: GLbyte); external dllname;
+  procedure glSecondaryColor3bv(const v: PGLbyte); external dllname;
+  procedure glSecondaryColor3d(red: GLdouble; green: GLdouble; blue: GLdouble); external dllname;
+  procedure glSecondaryColor3dv(const v: PGLdouble); external dllname;
+  procedure glSecondaryColor3f(red: GLfloat; green: GLfloat; blue: GLfloat); external dllname;
+  procedure glSecondaryColor3fv(const v: PGLfloat); external dllname;
+  procedure glSecondaryColor3i(red: GLint; green: GLint; blue: GLint); external dllname;
+  procedure glSecondaryColor3iv(const v: PGLint); external dllname;
+  procedure glSecondaryColor3s(red: GLshort; green: GLshort; blue: GLshort); external dllname;
+  procedure glSecondaryColor3sv(const v: PGLshort); external dllname;
+  procedure glSecondaryColor3ub(red: GLubyte; green: GLubyte; blue: GLubyte); external dllname;
+  procedure glSecondaryColor3ubv(const v: PGLubyte); external dllname;
+  procedure glSecondaryColor3ui(red: GLuint; green: GLuint; blue: GLuint); external dllname;
+  procedure glSecondaryColor3uiv(const v: PGLuint); external dllname;
+  procedure glSecondaryColor3us(red: GLushort; green: GLushort; blue: GLushort); external dllname;
+  procedure glSecondaryColor3usv(const v: PGLushort); external dllname;
+  procedure glSecondaryColorPointer(size: GLint; thetype: GLenum; stride: GLsizei; const pointer: PGLvoid); external dllname;
+  procedure glWindowPos2d(x: GLdouble; y: GLdouble); external dllname;
+  procedure glWindowPos2dv(const v: PGLdouble); external dllname;
+  procedure glWindowPos2f(x: GLfloat; y: GLfloat); external dllname;
+  procedure glWindowPos2fv(const v: PGLfloat); external dllname;
+  procedure glWindowPos2i(x: GLint; y: GLint); external dllname;
+  procedure glWindowPos2iv(const v: PGLint); external dllname;
+  procedure glWindowPos2s(x: GLshort; y: GLshort); external dllname;
+  procedure glWindowPos2sv(const v: PGLshort); external dllname;
+  procedure glWindowPos3d(x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glWindowPos3dv(const v: PGLdouble); external dllname;
+  procedure glWindowPos3f(x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glWindowPos3fv(const v: PGLfloat); external dllname;
+  procedure glWindowPos3i(x: GLint; y: GLint; z: GLint); external dllname;
+  procedure glWindowPos3iv(const v: PGLint); external dllname;
+  procedure glWindowPos3s(x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glWindowPos3sv(const v: PGLshort); external dllname;
+
+function Load_GL_version_1_4: Boolean;
+
+//***** GL_version_1_5 *****//
+const
+  GL_BUFFER_SIZE = $8764;
+  GL_BUFFER_USAGE = $8765;
+  GL_QUERY_COUNTER_BITS = $8864;
+  GL_CURRENT_QUERY = $8865;
+  GL_QUERY_RESULT = $8866;
+  GL_QUERY_RESULT_AVAILABLE = $8867;
+  GL_ARRAY_BUFFER = $8892;
+  GL_ELEMENT_ARRAY_BUFFER = $8893;
+  GL_ARRAY_BUFFER_BINDING = $8894;
+  GL_ELEMENT_ARRAY_BUFFER_BINDING = $8895;
+  GL_VERTEX_ARRAY_BUFFER_BINDING = $8896;
+  GL_NORMAL_ARRAY_BUFFER_BINDING = $8897;
+  GL_COLOR_ARRAY_BUFFER_BINDING = $8898;
+  GL_INDEX_ARRAY_BUFFER_BINDING = $8899;
+  GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING = $889A;
+  GL_EDGE_FLAG_ARRAY_BUFFER_BINDING = $889B;
+  GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING = $889C;
+  GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING = $889D;
+  GL_WEIGHT_ARRAY_BUFFER_BINDING = $889E;
+  GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = $889F;
+  GL_READ_ONLY = $88B8;
+  GL_WRITE_ONLY = $88B9;
+  GL_READ_WRITE = $88BA;
+  GL_BUFFER_ACCESS = $88BB;
+  GL_BUFFER_MAPPED = $88BC;
+  GL_BUFFER_MAP_POINTER = $88BD;
+  GL_STREAM_DRAW = $88E0;
+  GL_STREAM_READ = $88E1;
+  GL_STREAM_COPY = $88E2;
+  GL_STATIC_DRAW = $88E4;
+  GL_STATIC_READ = $88E5;
+  GL_STATIC_COPY = $88E6;
+  GL_DYNAMIC_DRAW = $88E8;
+  GL_DYNAMIC_READ = $88E9;
+  GL_DYNAMIC_COPY = $88EA;
+  GL_SAMPLES_PASSED = $8914;
+  GL_FOG_COORD_SRC = $8450;
+  GL_FOG_COORD = $8451;
+  GL_CURRENT_FOG_COORD = $8453;
+  GL_FOG_COORD_ARRAY_TYPE = $8454;
+  GL_FOG_COORD_ARRAY_STRIDE = $8455;
+  GL_FOG_COORD_ARRAY_POINTER = $8456;
+  GL_FOG_COORD_ARRAY = $8457;
+  GL_FOG_COORD_ARRAY_BUFFER_BINDING = $889D;
+  GL_SRC0_RGB = $8580;
+  GL_SRC1_RGB = $8581;
+  GL_SRC2_RGB = $8582;
+  GL_SRC0_ALPHA = $8588;
+  GL_SRC1_ALPHA = $8589;
+  GL_SRC2_ALPHA = $858A;
+
+  procedure glGenQueries(n: GLsizei; ids: PGLuint); external dllname;
+  procedure glDeleteQueries(n: GLsizei; const ids: PGLuint); external dllname;
+  function glIsQuery(id: GLuint): GLboolean; external dllname;
+  procedure glBeginQuery(target: GLenum; id: GLuint); external dllname;
+  procedure glEndQuery(target: GLenum); external dllname;
+  procedure glGetQueryiv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetQueryObjectiv(id: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetQueryObjectuiv(id: GLuint; pname: GLenum; params: PGLuint); external dllname;
+  procedure glBindBuffer(target: GLenum; buffer: GLuint); external dllname;
+  procedure glDeleteBuffers(n: GLsizei; const buffers: PGLuint); external dllname;
+  procedure glGenBuffers(n: GLsizei; buffers: PGLuint); external dllname;
+  function glIsBuffer(buffer: GLuint): GLboolean; external dllname;
+  procedure glBufferData(target: GLenum; size: GLsizeiptr; const data: PGLvoid; usage: GLenum); external dllname;
+  procedure glBufferSubData(target: GLenum; offset: GLintptr; size: GLsizeiptr; const data: PGLvoid); external dllname;
+  procedure glGetBufferSubData(target: GLenum; offset: GLintptr; size: GLsizeiptr; data: PGLvoid); external dllname;
+  function glMapBuffer(target: GLenum; access: GLenum): PGLvoid; external dllname;
+  function glUnmapBuffer(target: GLenum): GLboolean; external dllname;
+  procedure glGetBufferParameteriv(target: GLenum; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetBufferPointerv(target: GLenum; pname: GLenum; params: PGLvoid); external dllname;
+
+function Load_GL_version_1_5: Boolean;
+
+//***** GL_version_2_0 *****//
+const
+  GL_BLEND_EQUATION_RGB = $8009;
+  GL_VERTEX_ATTRIB_ARRAY_ENABLED = $8622;
+  GL_VERTEX_ATTRIB_ARRAY_SIZE = $8623;
+  GL_VERTEX_ATTRIB_ARRAY_STRIDE = $8624;
+  GL_VERTEX_ATTRIB_ARRAY_TYPE = $8625;
+  GL_CURRENT_VERTEX_ATTRIB = $8626;
+  GL_VERTEX_PROGRAM_POINT_SIZE = $8642;
+  GL_VERTEX_PROGRAM_TWO_SIDE = $8643;
+  GL_VERTEX_ATTRIB_ARRAY_POINTER = $8645;
+  GL_STENCIL_BACK_FUNC = $8800;
+  GL_STENCIL_BACK_FAIL = $8801;
+  GL_STENCIL_BACK_PASS_DEPTH_FAIL = $8802;
+  GL_STENCIL_BACK_PASS_DEPTH_PASS = $8803;
+  GL_MAX_DRAW_BUFFERS = $8824;
+  GL_DRAW_BUFFER0 = $8825;
+  GL_DRAW_BUFFER1 = $8826;
+  GL_DRAW_BUFFER2 = $8827;
+  GL_DRAW_BUFFER3 = $8828;
+  GL_DRAW_BUFFER4 = $8829;
+  GL_DRAW_BUFFER5 = $882A;
+  GL_DRAW_BUFFER6 = $882B;
+  GL_DRAW_BUFFER7 = $882C;
+  GL_DRAW_BUFFER8 = $882D;
+  GL_DRAW_BUFFER9 = $882E;
+  GL_DRAW_BUFFER10 = $882F;
+  GL_DRAW_BUFFER11 = $8830;
+  GL_DRAW_BUFFER12 = $8831;
+  GL_DRAW_BUFFER13 = $8832;
+  GL_DRAW_BUFFER14 = $8833;
+  GL_DRAW_BUFFER15 = $8834;
+  GL_BLEND_EQUATION_ALPHA = $883D;
+  GL_POINT_SPRITE = $8861;
+  GL_COORD_REPLACE = $8862;
+  GL_MAX_VERTEX_ATTRIBS = $8869;
+  GL_VERTEX_ATTRIB_ARRAY_NORMALIZED = $886A;
+  GL_MAX_TEXTURE_COORDS = $8871;
+  GL_MAX_TEXTURE_IMAGE_UNITS = $8872;
+  GL_FRAGMENT_SHADER = $8B30;
+  GL_VERTEX_SHADER = $8B31;
+  GL_MAX_FRAGMENT_UNIFORM_COMPONENTS = $8B49;
+  GL_MAX_VERTEX_UNIFORM_COMPONENTS = $8B4A;
+  GL_MAX_VARYING_FLOATS = $8B4B;
+  GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = $8B4C;
+  GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS = $8B4D;
+  GL_SHADER_TYPE = $8B4F;
+  GL_FLOAT_VEC2 = $8B50;
+  GL_FLOAT_VEC3 = $8B51;
+  GL_FLOAT_VEC4 = $8B52;
+  GL_INT_VEC2 = $8B53;
+  GL_INT_VEC3 = $8B54;
+  GL_INT_VEC4 = $8B55;
+  GL_BOOL = $8B56;
+  GL_BOOL_VEC2 = $8B57;
+  GL_BOOL_VEC3 = $8B58;
+  GL_BOOL_VEC4 = $8B59;
+  GL_FLOAT_MAT2 = $8B5A;
+  GL_FLOAT_MAT3 = $8B5B;
+  GL_FLOAT_MAT4 = $8B5C;
+  GL_SAMPLER_1D = $8B5D;
+  GL_SAMPLER_2D = $8B5E;
+  GL_SAMPLER_3D = $8B5F;
+  GL_SAMPLER_CUBE = $8B60;
+  GL_SAMPLER_1D_SHADOW = $8B61;
+  GL_SAMPLER_2D_SHADOW = $8B62;
+  GL_DELETE_STATUS = $8B80;
+  GL_COMPILE_STATUS = $8B81;
+  GL_LINK_STATUS = $8B82;
+  GL_VALIDATE_STATUS = $8B83;
+  GL_INFO_LOG_LENGTH = $8B84;
+  GL_ATTACHED_SHADERS = $8B85;
+  GL_ACTIVE_UNIFORMS = $8B86;
+  GL_ACTIVE_UNIFORM_MAX_LENGTH = $8B87;
+  GL_SHADER_SOURCE_LENGTH = $8B88;
+  GL_ACTIVE_ATTRIBUTES = $8B89;
+  GL_ACTIVE_ATTRIBUTE_MAX_LENGTH = $8B8A;
+  GL_FRAGMENT_SHADER_DERIVATIVE_HINT = $8B8B;
+  GL_SHADING_LANGUAGE_VERSION = $8B8C;
+  GL_CURRENT_PROGRAM = $8B8D;
+  GL_POINT_SPRITE_COORD_ORIGIN = $8CA0;
+  GL_LOWER_LEFT = $8CA1;
+  GL_UPPER_LEFT = $8CA2;
+  GL_STENCIL_BACK_REF = $8CA3;
+  GL_STENCIL_BACK_VALUE_MASK = $8CA4;
+  GL_STENCIL_BACK_WRITEMASK = $8CA5;
+
+  procedure glBlendEquationSeparate(modeRGB: GLenum; modeAlpha: GLenum); external dllname;
+  procedure glDrawBuffers(n: GLsizei; const bufs: PGLenum); external dllname;
+  procedure glStencilOpSeparate(face: GLenum; sfail: GLenum; dpfail: GLenum; dppass: GLenum); external dllname;
+  procedure glStencilFuncSeparate(frontfunc: GLenum; backfunc: GLenum; ref: GLint; mask: GLuint); external dllname;
+  procedure glStencilMaskSeparate(face: GLenum; mask: GLuint); external dllname;
+  procedure glAttachShader(theProgram: GLuint; shader: GLuint); external dllname;
+  procedure glBindAttribLocation(theProgram: GLuint; index: GLuint; const name: PGLchar); external dllname;
+  procedure glCompileShader(shader: GLuint); external dllname;
+  function glCreateProgram(): GLuint; external dllname;
+  function glCreateShader(thetype: GLenum): GLuint; external dllname;
+  procedure glDeleteProgram(theProgram: GLuint); external dllname;
+  procedure glDeleteShader(shader: GLuint); external dllname;
+  procedure glDetachShader(theProgram: GLuint; shader: GLuint); external dllname;
+  procedure glDisableVertexAttribArray(index: GLuint); external dllname;
+  procedure glEnableVertexAttribArray(index: GLuint); external dllname;
+  procedure glGetActiveAttrib(theProgram: GLuint; index: GLuint; bufSize: GLsizei; length: PGLsizei; size: PGLint; thetype: PGLenum; name: PGLchar); external dllname;
+  procedure glGetActiveUniform(theProgram: GLuint; index: GLuint; bufSize: GLsizei; length: PGLsizei; size: PGLint; thetype: PGLenum; name: PGLchar); external dllname;
+  procedure glGetAttachedShaders(theProgram: GLuint; maxCount: GLsizei; count: PGLsizei; obj: PGLuint); external dllname;
+  function glGetAttribLocation(theProgram: GLuint; const name: PGLchar): GLint; external dllname;
+  procedure glGetProgramiv(theProgram: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetProgramInfoLog(theProgram: GLuint; bufSize: GLsizei; length: PGLsizei; infoLog: PGLchar); external dllname;
+  procedure glGetShaderiv(shader: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetShaderInfoLog(shader: GLuint; bufSize: GLsizei; length: PGLsizei; infoLog: PGLchar); external dllname;
+  procedure glGetShaderSource(shader: GLuint; bufSize: GLsizei; length: PGLsizei; source: PGLchar); external dllname;
+  function glGetUniformLocation(theProgram: GLuint; const name: PGLchar): GLint; external dllname;
+  procedure glGetUniformfv(theProgram: GLuint; location: GLint; params: PGLfloat); external dllname;
+  procedure glGetUniformiv(theProgram: GLuint; location: GLint; params: PGLint); external dllname;
+  procedure glGetVertexAttribdv(index: GLuint; pname: GLenum; params: PGLdouble); external dllname;
+  procedure glGetVertexAttribfv(index: GLuint; pname: GLenum; params: PGLfloat); external dllname;
+  procedure glGetVertexAttribiv(index: GLuint; pname: GLenum; params: PGLint); external dllname;
+  procedure glGetVertexAttribPointerv(index: GLuint; pname: GLenum; pointer: PGLvoid); external dllname;
+  function glIsProgram(theProgram: GLuint): GLboolean; external dllname;
+  function glIsShader(shader: GLuint): GLboolean; external dllname;
+  procedure glLinkProgram(theProgram: GLuint); external dllname;
+  procedure glShaderSource(shader: GLuint; count: GLsizei; const str: PGLchar; const length: PGLint); external dllname;
+  procedure glUseProgram(theProgram: GLuint); external dllname;
+  procedure glUniform1f(location: GLint; v0: GLfloat); external dllname;
+  procedure glUniform2f(location: GLint; v0: GLfloat; v1: GLfloat); external dllname;
+  procedure glUniform3f(location: GLint; v0: GLfloat; v1: GLfloat; v2: GLfloat); external dllname;
+  procedure glUniform4f(location: GLint; v0: GLfloat; v1: GLfloat; v2: GLfloat; v3: GLfloat); external dllname;
+  procedure glUniform1i(location: GLint; v0: GLint); external dllname;
+  procedure glUniform2i(location: GLint; v0: GLint; v1: GLint); external dllname;
+  procedure glUniform3i(location: GLint; v0: GLint; v1: GLint; v2: GLint); external dllname;
+  procedure glUniform4i(location: GLint; v0: GLint; v1: GLint; v2: GLint; v3: GLint); external dllname;
+  procedure glUniform1fv(location: GLint; count: GLsizei; const value: PGLfloat); external dllname;
+  procedure glUniform2fv(location: GLint; count: GLsizei; const value: PGLfloat); external dllname;
+  procedure glUniform3fv(location: GLint; count: GLsizei; const value: PGLfloat); external dllname;
+  procedure glUniform4fv(location: GLint; count: GLsizei; const value: PGLfloat); external dllname;
+  procedure glUniform1iv(location: GLint; count: GLsizei; const value: PGLint); external dllname;
+  procedure glUniform2iv(location: GLint; count: GLsizei; const value: PGLint); external dllname;
+  procedure glUniform3iv(location: GLint; count: GLsizei; const value: PGLint); external dllname;
+  procedure glUniform4iv(location: GLint; count: GLsizei; const value: PGLint); external dllname;
+  procedure glUniformMatrix2fv(location: GLint; count: GLsizei; transpose: GLboolean; const value: PGLfloat); external dllname;
+  procedure glUniformMatrix3fv(location: GLint; count: GLsizei; transpose: GLboolean; const value: PGLfloat); external dllname;
+  procedure glUniformMatrix4fv(location: GLint; count: GLsizei; transpose: GLboolean; const value: PGLfloat); external dllname;
+  procedure glValidateProgram(theProgram: GLuint); external dllname;
+  procedure glVertexAttrib1d(index: GLuint; x: GLdouble); external dllname;
+  procedure glVertexAttrib1dv(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib1f(index: GLuint; x: GLfloat); external dllname;
+  procedure glVertexAttrib1fv(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib1s(index: GLuint; x: GLshort); external dllname;
+  procedure glVertexAttrib1sv(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib2d(index: GLuint; x: GLdouble; y: GLdouble); external dllname;
+  procedure glVertexAttrib2dv(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib2f(index: GLuint; x: GLfloat; y: GLfloat); external dllname;
+  procedure glVertexAttrib2fv(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib2s(index: GLuint; x: GLshort; y: GLshort); external dllname;
+  procedure glVertexAttrib2sv(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib3d(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble); external dllname;
+  procedure glVertexAttrib3dv(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib3f(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat); external dllname;
+  procedure glVertexAttrib3fv(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib3s(index: GLuint; x: GLshort; y: GLshort; z: GLshort); external dllname;
+  procedure glVertexAttrib3sv(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4Nbv(index: GLuint; const v: PGLbyte); external dllname;
+  procedure glVertexAttrib4Niv(index: GLuint; const v: PGLint); external dllname;
+  procedure glVertexAttrib4Nsv(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4Nub(index: GLuint; x: GLubyte; y: GLubyte; z: GLubyte; w: GLubyte); external dllname;
+  procedure glVertexAttrib4Nubv(index: GLuint; const v: PGLubyte); external dllname;
+  procedure glVertexAttrib4Nuiv(index: GLuint; const v: PGLuint); external dllname;
+  procedure glVertexAttrib4Nusv(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttrib4bv(index: GLuint; const v: PGLbyte); external dllname;
+  procedure glVertexAttrib4d(index: GLuint; x: GLdouble; y: GLdouble; z: GLdouble; w: GLdouble); external dllname;
+  procedure glVertexAttrib4dv(index: GLuint; const v: PGLdouble); external dllname;
+  procedure glVertexAttrib4f(index: GLuint; x: GLfloat; y: GLfloat; z: GLfloat; w: GLfloat); external dllname;
+  procedure glVertexAttrib4fv(index: GLuint; const v: PGLfloat); external dllname;
+  procedure glVertexAttrib4iv(index: GLuint; const v: PGLint); external dllname;
+  procedure glVertexAttrib4s(index: GLuint; x: GLshort; y: GLshort; z: GLshort; w: GLshort); external dllname;
+  procedure glVertexAttrib4sv(index: GLuint; const v: PGLshort); external dllname;
+  procedure glVertexAttrib4ubv(index: GLuint; const v: PGLubyte); external dllname;
+  procedure glVertexAttrib4uiv(index: GLuint; const v: PGLuint); external dllname;
+  procedure glVertexAttrib4usv(index: GLuint; const v: PGLushort); external dllname;
+  procedure glVertexAttribPointer(index: GLuint; size: GLint; thetype: GLenum; normalized: GLboolean; stride: GLsizei; const pointer: PGLvoid); external dllname;
+
+
+implementation
+end.
author	Andreas Rumpf <rumpf_a@web.de>	2008-11-16 22:11:53 +0100
committer	Andreas Rumpf <rumpf_a@web.de>	2008-11-16 22:11:53 +0100
commit	985113a88fe07fa18f0a34ceaa9e8c1c1e04a79b (patch)
tree	6a2e56078dd24d29d9031a784917ed94696d24a8 /lib/base/opengl/glext.pp
parent	8b2a9401a147bd0b26cd2976ae71a1022fbde8cc (diff)
download	Nim-985113a88fe07fa18f0a34ceaa9e8c1c1e04a79b.tar.gz