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#
# Translation of the Mesa GLX headers for FreePascal
# Copyright (C) 1999 Sebastian Guenther
#
#
# Mesa 3-D graphics library
# Version: 3.0
# Copyright (C) 1995-1998 Brian Paul
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import X, XLib, XUtil, opengl
{.deadCodeElim: on.}
when defined(windows):
const
dllname = "GL.dll"
elif defined(macosx):
const
dllname = "/usr/X11R6/lib/libGL.dylib"
else:
const
dllname = "libGL.so"
const
GLX_USE_GL* = 1'i32
GLX_BUFFER_SIZE* = 2'i32
GLX_LEVEL* = 3'i32
GLX_RGBA* = 4'i32
GLX_DOUBLEBUFFER* = 5'i32
GLX_STEREO* = 6'i32
GLX_AUX_BUFFERS* = 7'i32
GLX_RED_SIZE* = 8'i32
GLX_GREEN_SIZE* = 9'i32
GLX_BLUE_SIZE* = 10'i32
GLX_ALPHA_SIZE* = 11'i32
GLX_DEPTH_SIZE* = 12'i32
GLX_STENCIL_SIZE* = 13'i32
GLX_ACCUM_RED_SIZE* = 14'i32
GLX_ACCUM_GREEN_SIZE* = 15'i32
GLX_ACCUM_BLUE_SIZE* = 16'i32
GLX_ACCUM_ALPHA_SIZE* = 17'i32 # GLX_EXT_visual_info extension
GLX_X_VISUAL_TYPE_EXT* = 0x00000022
GLX_TRANSPARENT_TYPE_EXT* = 0x00000023
GLX_TRANSPARENT_INDEX_VALUE_EXT* = 0x00000024
GLX_TRANSPARENT_RED_VALUE_EXT* = 0x00000025
GLX_TRANSPARENT_GREEN_VALUE_EXT* = 0x00000026
GLX_TRANSPARENT_BLUE_VALUE_EXT* = 0x00000027
GLX_TRANSPARENT_ALPHA_VALUE_EXT* = 0x00000028 # Error codes returned by glXGetConfig:
GLX_BAD_SCREEN* = 1
GLX_BAD_ATTRIBUTE* = 2
GLX_NO_EXTENSION* = 3
GLX_BAD_VISUAL* = 4
GLX_BAD_CONTEXT* = 5
GLX_BAD_VALUE* = 6
GLX_BAD_ENUM* = 7 # GLX 1.1 and later:
GLX_VENDOR* = 1
GLX_VERSION* = 2
GLX_EXTENSIONS* = 3 # GLX_visual_info extension
GLX_TRUE_COLOR_EXT* = 0x00008002
GLX_DIRECT_COLOR_EXT* = 0x00008003
GLX_PSEUDO_COLOR_EXT* = 0x00008004
GLX_STATIC_COLOR_EXT* = 0x00008005
GLX_GRAY_SCALE_EXT* = 0x00008006
GLX_STATIC_GRAY_EXT* = 0x00008007
GLX_NONE_EXT* = 0x00008000
GLX_TRANSPARENT_RGB_EXT* = 0x00008008
GLX_TRANSPARENT_INDEX_EXT* = 0x00008009
type # From XLib:
XPixmap* = TXID
XFont* = TXID
XColormap* = TXID
GLXContext* = pointer
GLXPixmap* = TXID
GLXDrawable* = TXID
GLXContextID* = TXID
TXPixmap* = XPixmap
TXFont* = XFont
TXColormap* = XColormap
TGLXContext* = GLXContext
TGLXPixmap* = GLXPixmap
TGLXDrawable* = GLXDrawable
TGLXContextID* = GLXContextID
proc glXChooseVisual*(dpy: PDisplay, screen: int, attribList: ptr int32): PXVisualInfo{.
cdecl, dynlib: dllname, importc: "glXChooseVisual".}
proc glXCreateContext*(dpy: PDisplay, vis: PXVisualInfo, shareList: GLXContext,
direct: bool): GLXContext{.cdecl, dynlib: dllname,
importc: "glXCreateContext".}
proc glXDestroyContext*(dpy: PDisplay, ctx: GLXContext){.cdecl, dynlib: dllname,
importc: "glXDestroyContext".}
proc glXMakeCurrent*(dpy: PDisplay, drawable: GLXDrawable, ctx: GLXContext): bool{.
cdecl, dynlib: dllname, importc: "glXMakeCurrent".}
proc glXCopyContext*(dpy: PDisplay, src, dst: GLXContext, mask: int32){.cdecl,
dynlib: dllname, importc: "glXCopyContext".}
proc glXSwapBuffers*(dpy: PDisplay, drawable: GLXDrawable){.cdecl,
dynlib: dllname, importc: "glXSwapBuffers".}
proc glXCreateGLXPixmap*(dpy: PDisplay, visual: PXVisualInfo, pixmap: XPixmap): GLXPixmap{.
cdecl, dynlib: dllname, importc: "glXCreateGLXPixmap".}
proc glXDestroyGLXPixmap*(dpy: PDisplay, pixmap: GLXPixmap){.cdecl,
dynlib: dllname, importc: "glXDestroyGLXPixmap".}
proc glXQueryExtension*(dpy: PDisplay, errorb, event: var int): bool{.cdecl,
dynlib: dllname, importc: "glXQueryExtension".}
proc glXQueryVersion*(dpy: PDisplay, maj, min: var int): bool{.cdecl,
dynlib: dllname, importc: "glXQueryVersion".}
proc glXIsDirect*(dpy: PDisplay, ctx: GLXContext): bool{.cdecl, dynlib: dllname,
importc: "glXIsDirect".}
proc glXGetConfig*(dpy: PDisplay, visual: PXVisualInfo, attrib: int,
value: var int): int{.cdecl, dynlib: dllname,
importc: "glXGetConfig".}
proc glXGetCurrentContext*(): GLXContext{.cdecl, dynlib: dllname,
importc: "glXGetCurrentContext".}
proc glXGetCurrentDrawable*(): GLXDrawable{.cdecl, dynlib: dllname,
importc: "glXGetCurrentDrawable".}
proc glXWaitGL*(){.cdecl, dynlib: dllname, importc: "glXWaitGL".}
proc glXWaitX*(){.cdecl, dynlib: dllname, importc: "glXWaitX".}
proc glXUseXFont*(font: XFont, first, count, list: int){.cdecl, dynlib: dllname,
importc: "glXUseXFont".}
# GLX 1.1 and later
proc glXQueryExtensionsString*(dpy: PDisplay, screen: int): cstring{.cdecl,
dynlib: dllname, importc: "glXQueryExtensionsString".}
proc glXQueryServerString*(dpy: PDisplay, screen, name: int): cstring{.cdecl,
dynlib: dllname, importc: "glXQueryServerString".}
proc glXGetClientString*(dpy: PDisplay, name: int): cstring{.cdecl,
dynlib: dllname, importc: "glXGetClientString".}
# Mesa GLX Extensions
proc glXCreateGLXPixmapMESA*(dpy: PDisplay, visual: PXVisualInfo,
pixmap: XPixmap, cmap: XColormap): GLXPixmap{.
cdecl, dynlib: dllname, importc: "glXCreateGLXPixmapMESA".}
proc glXReleaseBufferMESA*(dpy: PDisplay, d: GLXDrawable): bool{.cdecl,
dynlib: dllname, importc: "glXReleaseBufferMESA".}
proc glXCopySubBufferMESA*(dpy: PDisplay, drawbale: GLXDrawable,
x, y, width, height: int){.cdecl, dynlib: dllname,
importc: "glXCopySubBufferMESA".}
proc glXGetVideoSyncSGI*(counter: var int32): int{.cdecl, dynlib: dllname,
importc: "glXGetVideoSyncSGI".}
proc glXWaitVideoSyncSGI*(divisor, remainder: int, count: var int32): int{.
cdecl, dynlib: dllname, importc: "glXWaitVideoSyncSGI".}
# implementation