summaryrefslogtreecommitdiff
path: root/src/mesa/pipe/xlib/fakeglx.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/pipe/xlib/fakeglx.c')
-rw-r--r--src/mesa/pipe/xlib/fakeglx.c3188
1 files changed, 0 insertions, 3188 deletions
diff --git a/src/mesa/pipe/xlib/fakeglx.c b/src/mesa/pipe/xlib/fakeglx.c
deleted file mode 100644
index 902a755075..0000000000
--- a/src/mesa/pipe/xlib/fakeglx.c
+++ /dev/null
@@ -1,3188 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/*
- * This is an emulation of the GLX API which allows Mesa/GLX-based programs
- * to run on X servers which do not have the real GLX extension.
- *
- * Thanks to the contributors:
- *
- * Initial version: Philip Brown (phil@bolthole.com)
- * Better glXGetConfig() support: Armin Liebchen (liebchen@asylum.cs.utah.edu)
- * Further visual-handling refinements: Wolfram Gloger
- * (wmglo@Dent.MED.Uni-Muenchen.DE).
- *
- * Notes:
- * Don't be fooled, stereo isn't supported yet.
- */
-
-
-
-#include "glxheader.h"
-#include "glxapi.h"
-#include "GL/xmesa.h"
-#include "context.h"
-#include "config.h"
-#include "macros.h"
-#include "imports.h"
-#include "mtypes.h"
-#include "version.h"
-#include "xfonts.h"
-#include "xmesaP.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_public.h"
-
-
-#ifdef __VMS
-#define _mesa_sprintf sprintf
-#endif
-
-/* This indicates the client-side GLX API and GLX encoder version. */
-#define CLIENT_MAJOR_VERSION 1
-#define CLIENT_MINOR_VERSION 4 /* but don't have 1.3's pbuffers, etc yet */
-
-/* This indicates the server-side GLX decoder version.
- * GLX 1.4 indicates OpenGL 1.3 support
- */
-#define SERVER_MAJOR_VERSION 1
-#define SERVER_MINOR_VERSION 4
-
-/* This is appended onto the glXGetClient/ServerString version strings. */
-#define MESA_GLX_VERSION "Mesa " MESA_VERSION_STRING
-
-/* Who implemented this GLX? */
-#define VENDOR "Brian Paul"
-
-#define EXTENSIONS \
- "GLX_MESA_set_3dfx_mode " \
- "GLX_MESA_copy_sub_buffer " \
- "GLX_MESA_pixmap_colormap " \
- "GLX_MESA_release_buffers " \
- "GLX_ARB_get_proc_address " \
- "GLX_EXT_texture_from_pixmap " \
- "GLX_EXT_visual_info " \
- "GLX_EXT_visual_rating " \
- /*"GLX_SGI_video_sync "*/ \
- "GLX_SGIX_fbconfig " \
- "GLX_SGIX_pbuffer "
-
-/*
- * Our fake GLX context will contain a "real" GLX context and an XMesa context.
- *
- * Note that a pointer to a __GLXcontext is a pointer to a fake_glx_context,
- * and vice versa.
- *
- * We really just need this structure in order to make the libGL functions
- * glXGetCurrentContext(), glXGetCurrentDrawable() and glXGetCurrentDisplay()
- * work correctly.
- */
-struct fake_glx_context {
- __GLXcontext glxContext; /* this MUST be first! */
- XMesaContext xmesaContext;
-};
-
-
-
-/**********************************************************************/
-/*** GLX Visual Code ***/
-/**********************************************************************/
-
-#define DONT_CARE -1
-
-
-static XMesaVisual *VisualTable = NULL;
-static int NumVisuals = 0;
-
-
-/*
- * This struct and some code fragments borrowed
- * from Mark Kilgard's GLUT library.
- */
-typedef struct _OverlayInfo {
- /* Avoid 64-bit portability problems by being careful to use
- longs due to the way XGetWindowProperty is specified. Note
- that these parameters are passed as CARD32s over X
- protocol. */
- unsigned long overlay_visual;
- long transparent_type;
- long value;
- long layer;
-} OverlayInfo;
-
-
-
-/* Macro to handle c_class vs class field name in XVisualInfo struct */
-#if defined(__cplusplus) || defined(c_plusplus)
-#define CLASS c_class
-#else
-#define CLASS class
-#endif
-
-
-
-/*
- * Test if the given XVisualInfo is usable for Mesa rendering.
- */
-static GLboolean
-is_usable_visual( XVisualInfo *vinfo )
-{
- switch (vinfo->CLASS) {
- case StaticGray:
- case GrayScale:
- /* Any StaticGray/GrayScale visual works in RGB or CI mode */
- return GL_TRUE;
- case StaticColor:
- case PseudoColor:
- /* Any StaticColor/PseudoColor visual of at least 4 bits */
- if (vinfo->depth>=4) {
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
- case TrueColor:
- case DirectColor:
- /* Any depth of TrueColor or DirectColor works in RGB mode */
- return GL_TRUE;
- default:
- /* This should never happen */
- return GL_FALSE;
- }
-}
-
-
-
-/**
- * Get an array OverlayInfo records for specified screen.
- * \param dpy the display
- * \param screen screen number
- * \param numOverlays returns numver of OverlayInfo records
- * \return pointer to OverlayInfo array, free with XFree()
- */
-static OverlayInfo *
-GetOverlayInfo(Display *dpy, int screen, int *numOverlays)
-{
- Atom overlayVisualsAtom;
- Atom actualType;
- Status status;
- unsigned char *ovInfo;
- unsigned long sizeData, bytesLeft;
- int actualFormat;
-
- /*
- * The SERVER_OVERLAY_VISUALS property on the root window contains
- * a list of overlay visuals. Get that list now.
- */
- overlayVisualsAtom = XInternAtom(dpy,"SERVER_OVERLAY_VISUALS", True);
- if (overlayVisualsAtom == None) {
- return 0;
- }
-
- status = XGetWindowProperty(dpy, RootWindow(dpy, screen),
- overlayVisualsAtom, 0L, (long) 10000, False,
- overlayVisualsAtom, &actualType, &actualFormat,
- &sizeData, &bytesLeft,
- &ovInfo);
-
- if (status != Success || actualType != overlayVisualsAtom ||
- actualFormat != 32 || sizeData < 4) {
- /* something went wrong */
- XFree((void *) ovInfo);
- *numOverlays = 0;
- return NULL;
- }
-
- *numOverlays = sizeData / 4;
- return (OverlayInfo *) ovInfo;
-}
-
-
-
-/**
- * Return the level (overlay, normal, underlay) of a given XVisualInfo.
- * Input: dpy - the X display
- * vinfo - the XVisualInfo to test
- * Return: level of the visual:
- * 0 = normal planes
- * >0 = overlay planes
- * <0 = underlay planes
- */
-static int
-level_of_visual( Display *dpy, XVisualInfo *vinfo )
-{
- OverlayInfo *overlay_info;
- int numOverlaysPerScreen, i;
-
- overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
- if (!overlay_info) {
- return 0;
- }
-
- /* search the overlay visual list for the visual ID of interest */
- for (i = 0; i < numOverlaysPerScreen; i++) {
- const OverlayInfo *ov = overlay_info + i;
- if (ov->overlay_visual == vinfo->visualid) {
- /* found the visual */
- if (/*ov->transparent_type==1 &&*/ ov->layer!=0) {
- int level = ov->layer;
- XFree((void *) overlay_info);
- return level;
- }
- else {
- XFree((void *) overlay_info);
- return 0;
- }
- }
- }
-
- /* The visual ID was not found in the overlay list. */
- XFree((void *) overlay_info);
- return 0;
-}
-
-
-
-
-/*
- * Given an XVisualInfo and RGB, Double, and Depth buffer flags, save the
- * configuration in our list of GLX visuals.
- */
-static XMesaVisual
-save_glx_visual( Display *dpy, XVisualInfo *vinfo,
- GLboolean rgbFlag, GLboolean alphaFlag, GLboolean dbFlag,
- GLboolean stereoFlag,
- GLint depth_size, GLint stencil_size,
- GLint accumRedSize, GLint accumGreenSize,
- GLint accumBlueSize, GLint accumAlphaSize,
- GLint level, GLint numAuxBuffers )
-{
- GLboolean ximageFlag = GL_TRUE;
- XMesaVisual xmvis;
- GLint i;
- GLboolean comparePointers;
-
- if (dbFlag) {
- /* Check if the MESA_BACK_BUFFER env var is set */
- char *backbuffer = _mesa_getenv("MESA_BACK_BUFFER");
- if (backbuffer) {
- if (backbuffer[0]=='p' || backbuffer[0]=='P') {
- ximageFlag = GL_FALSE;
- }
- else if (backbuffer[0]=='x' || backbuffer[0]=='X') {
- ximageFlag = GL_TRUE;
- }
- else {
- _mesa_warning(NULL, "Mesa: invalid value for MESA_BACK_BUFFER environment variable, using an XImage.");
- }
- }
- }
-
- if (stereoFlag) {
- /* stereo not supported */
- return NULL;
- }
-
- /* Comparing IDs uses less memory but sometimes fails. */
- /* XXX revisit this after 3.0 is finished. */
- if (_mesa_getenv("MESA_GLX_VISUAL_HACK"))
- comparePointers = GL_TRUE;
- else
- comparePointers = GL_FALSE;
-
- /* Force the visual to have an alpha channel */
- if (rgbFlag && _mesa_getenv("MESA_GLX_FORCE_ALPHA"))
- alphaFlag = GL_TRUE;
-
- /* First check if a matching visual is already in the list */
- for (i=0; i<NumVisuals; i++) {
- XMesaVisual v = VisualTable[i];
- if (v->display == dpy
- && v->mesa_visual.level == level
- && v->mesa_visual.numAuxBuffers == numAuxBuffers
- && v->ximage_flag == ximageFlag
- && v->mesa_visual.rgbMode == rgbFlag
- && v->mesa_visual.doubleBufferMode == dbFlag
- && v->mesa_visual.stereoMode == stereoFlag
- && (v->mesa_visual.alphaBits > 0) == alphaFlag
- && (v->mesa_visual.depthBits >= depth_size || depth_size == 0)
- && (v->mesa_visual.stencilBits >= stencil_size || stencil_size == 0)
- && (v->mesa_visual.accumRedBits >= accumRedSize || accumRedSize == 0)
- && (v->mesa_visual.accumGreenBits >= accumGreenSize || accumGreenSize == 0)
- && (v->mesa_visual.accumBlueBits >= accumBlueSize || accumBlueSize == 0)
- && (v->mesa_visual.accumAlphaBits >= accumAlphaSize || accumAlphaSize == 0)) {
- /* now either compare XVisualInfo pointers or visual IDs */
- if ((!comparePointers && v->visinfo->visualid == vinfo->visualid)
- || (comparePointers && v->vishandle == vinfo)) {
- return v;
- }
- }
- }
-
- /* Create a new visual and add it to the list. */
-
- xmvis = XMesaCreateVisual( dpy, vinfo, rgbFlag, alphaFlag, dbFlag,
- stereoFlag, ximageFlag,
- depth_size, stencil_size,
- accumRedSize, accumBlueSize,
- accumBlueSize, accumAlphaSize, 0, level,
- GLX_NONE_EXT );
- if (xmvis) {
- /* Save a copy of the pointer now so we can find this visual again
- * if we need to search for it in find_glx_visual().
- */
- xmvis->vishandle = vinfo;
- /* Allocate more space for additional visual */
- VisualTable = (XMesaVisual *) _mesa_realloc( VisualTable,
- sizeof(XMesaVisual) * NumVisuals,
- sizeof(XMesaVisual) * (NumVisuals + 1));
- /* add xmvis to the list */
- VisualTable[NumVisuals] = xmvis;
- NumVisuals++;
- /* XXX minor hack, because XMesaCreateVisual doesn't support an
- * aux buffers parameter.
- */
- xmvis->mesa_visual.numAuxBuffers = numAuxBuffers;
- }
- return xmvis;
-}
-
-
-/**
- * Return the default number of bits for the Z buffer.
- * If defined, use the MESA_GLX_DEPTH_BITS env var value.
- * Otherwise, use the DEFAULT_SOFTWARE_DEPTH_BITS constant.
- * XXX probably do the same thing for stencil, accum, etc.
- */
-static GLint
-default_depth_bits(void)
-{
- int zBits;
- const char *zEnv = _mesa_getenv("MESA_GLX_DEPTH_BITS");
- if (zEnv)
- zBits = _mesa_atoi(zEnv);
- else
- zBits = DEFAULT_SOFTWARE_DEPTH_BITS;
- return zBits;
-}
-
-static GLint
-default_alpha_bits(void)
-{
- int aBits;
- const char *aEnv = _mesa_getenv("MESA_GLX_ALPHA_BITS");
- if (aEnv)
- aBits = _mesa_atoi(aEnv);
- else
- aBits = 0;
- return aBits;
-}
-
-static GLint
-default_accum_bits(void)
-{
- return 16;
-}
-
-
-
-/*
- * Create a GLX visual from a regular XVisualInfo.
- * This is called when Fake GLX is given an XVisualInfo which wasn't
- * returned by glXChooseVisual. Since this is the first time we're
- * considering this visual we'll take a guess at reasonable values
- * for depth buffer size, stencil size, accum size, etc.
- * This is the best we can do with a client-side emulation of GLX.
- */
-static XMesaVisual
-create_glx_visual( Display *dpy, XVisualInfo *visinfo )
-{
- int vislevel;
- GLint zBits = 24; /*default_depth_bits();*/
- GLint accBits = default_accum_bits();
- GLboolean alphaFlag = default_alpha_bits() > 0;
-
- vislevel = level_of_visual( dpy, visinfo );
- if (vislevel) {
- /* Configure this visual as a CI, single-buffered overlay */
- return save_glx_visual( dpy, visinfo,
- GL_FALSE, /* rgb */
- GL_FALSE, /* alpha */
- GL_FALSE, /* double */
- GL_FALSE, /* stereo */
- 0, /* depth bits */
- 0, /* stencil bits */
- 0,0,0,0, /* accum bits */
- vislevel, /* level */
- 0 /* numAux */
- );
- }
- else if (is_usable_visual( visinfo )) {
- if (_mesa_getenv("MESA_GLX_FORCE_CI")) {
- /* Configure this visual as a COLOR INDEX visual. */
- return save_glx_visual( dpy, visinfo,
- GL_FALSE, /* rgb */
- GL_FALSE, /* alpha */
- GL_TRUE, /* double */
- GL_FALSE, /* stereo */
- zBits,
- STENCIL_BITS,
- 0, 0, 0, 0, /* accum bits */
- 0, /* level */
- 0 /* numAux */
- );
- }
- else {
- /* Configure this visual as RGB, double-buffered, depth-buffered. */
- /* This is surely wrong for some people's needs but what else */
- /* can be done? They should use glXChooseVisual(). */
- return save_glx_visual( dpy, visinfo,
- GL_TRUE, /* rgb */
- alphaFlag, /* alpha */
- GL_TRUE, /* double */
- GL_FALSE, /* stereo */
- zBits,
- STENCIL_BITS,
- accBits, /* r */
- accBits, /* g */
- accBits, /* b */
- accBits, /* a */
- 0, /* level */
- 0 /* numAux */
- );
- }
- }
- else {
- _mesa_warning(NULL, "Mesa: error in glXCreateContext: bad visual\n");
- return NULL;
- }
-}
-
-
-
-/*
- * Find the GLX visual associated with an XVisualInfo.
- */
-static XMesaVisual
-find_glx_visual( Display *dpy, XVisualInfo *vinfo )
-{
- int i;
-
- /* try to match visual id */
- for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy
- && VisualTable[i]->visinfo->visualid == vinfo->visualid) {
- return VisualTable[i];
- }
- }
-
- /* if that fails, try to match pointers */
- for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) {
- return VisualTable[i];
- }
- }
-
- return NULL;
-}
-
-
-
-/**
- * Return the transparent pixel value for a GLX visual.
- * Input: glxvis - the glx_visual
- * Return: a pixel value or -1 if no transparent pixel
- */
-static int
-transparent_pixel( XMesaVisual glxvis )
-{
- Display *dpy = glxvis->display;
- XVisualInfo *vinfo = glxvis->visinfo;
- OverlayInfo *overlay_info;
- int numOverlaysPerScreen, i;
-
- overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
- if (!overlay_info) {
- return -1;
- }
-
- for (i = 0; i < numOverlaysPerScreen; i++) {
- const OverlayInfo *ov = overlay_info + i;
- if (ov->overlay_visual == vinfo->visualid) {
- /* found it! */
- if (ov->transparent_type == 0) {
- /* type 0 indicates no transparency */
- XFree((void *) overlay_info);
- return -1;
- }
- else {
- /* ov->value is the transparent pixel */
- XFree((void *) overlay_info);
- return ov->value;
- }
- }
- }
-
- /* The visual ID was not found in the overlay list. */
- XFree((void *) overlay_info);
- return -1;
-}
-
-
-
-/**
- * Try to get an X visual which matches the given arguments.
- */
-static XVisualInfo *
-get_visual( Display *dpy, int scr, unsigned int depth, int xclass )
-{
- XVisualInfo temp, *vis;
- long mask;
- int n;
- unsigned int default_depth;
- int default_class;
-
- mask = VisualScreenMask | VisualDepthMask | VisualClassMask;
- temp.screen = scr;
- temp.depth = depth;
- temp.CLASS = xclass;
-
- default_depth = DefaultDepth(dpy,scr);
- default_class = DefaultVisual(dpy,scr)->CLASS;
-
- if (depth==default_depth && xclass==default_class) {
- /* try to get root window's visual */
- temp.visualid = DefaultVisual(dpy,scr)->visualid;
- mask |= VisualIDMask;
- }
-
- vis = XGetVisualInfo( dpy, mask, &temp, &n );
-
- /* In case bits/pixel > 24, make sure color channels are still <=8 bits.
- * An SGI Infinite Reality system, for example, can have 30bpp pixels:
- * 10 bits per color channel. Mesa's limited to a max of 8 bits/channel.
- */
- if (vis && depth > 24 && (xclass==TrueColor || xclass==DirectColor)) {
- if (_mesa_bitcount((GLuint) vis->red_mask ) <= 8 &&
- _mesa_bitcount((GLuint) vis->green_mask) <= 8 &&
- _mesa_bitcount((GLuint) vis->blue_mask ) <= 8) {
- return vis;
- }
- else {
- XFree((void *) vis);
- return NULL;
- }
- }
-
- return vis;
-}
-
-
-
-/*
- * Retrieve the value of the given environment variable and find
- * the X visual which matches it.
- * Input: dpy - the display
- * screen - the screen number
- * varname - the name of the environment variable
- * Return: an XVisualInfo pointer to NULL if error.
- */
-static XVisualInfo *
-get_env_visual(Display *dpy, int scr, const char *varname)
-{
- char value[100], type[100];
- int depth, xclass = -1;
- XVisualInfo *vis;
-
- if (!_mesa_getenv( varname )) {
- return NULL;
- }
-
- _mesa_strncpy( value, _mesa_getenv(varname), 100 );
- value[99] = 0;
-
- sscanf( value, "%s %d", type, &depth );
-
- if (_mesa_strcmp(type,"TrueColor")==0) xclass = TrueColor;
- else if (_mesa_strcmp(type,"DirectColor")==0) xclass = DirectColor;
- else if (_mesa_strcmp(type,"PseudoColor")==0) xclass = PseudoColor;
- else if (_mesa_strcmp(type,"StaticColor")==0) xclass = StaticColor;
- else if (_mesa_strcmp(type,"GrayScale")==0) xclass = GrayScale;
- else if (_mesa_strcmp(type,"StaticGray")==0) xclass = StaticGray;
-
- if (xclass>-1 && depth>0) {
- vis = get_visual( dpy, scr, depth, xclass );
- if (vis) {
- return vis;
- }
- }
-
- _mesa_warning(NULL, "GLX unable to find visual class=%s, depth=%d.",
- type, depth);
-
- return NULL;
-}
-
-
-
-/*
- * Select an X visual which satisfies the RGBA/CI flag and minimum depth.
- * Input: dpy, screen - X display and screen number
- * rgba - GL_TRUE = RGBA mode, GL_FALSE = CI mode
- * min_depth - minimum visual depth
- * preferred_class - preferred GLX visual class or DONT_CARE
- * Return: pointer to an XVisualInfo or NULL.
- */
-static XVisualInfo *
-choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth,
- int preferred_class )
-{
- XVisualInfo *vis;
- int xclass, visclass = 0;
- int depth;
-
- if (rgba) {
- Atom hp_cr_maps = XInternAtom(dpy, "_HP_RGB_SMOOTH_MAP_LIST", True);
- /* First see if the MESA_RGB_VISUAL env var is defined */
- vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" );
- if (vis) {
- return vis;
- }
- /* Otherwise, search for a suitable visual */
- if (preferred_class==DONT_CARE) {
- for (xclass=0;xclass<6;xclass++) {
- switch (xclass) {
- case 0: visclass = TrueColor; break;
- case 1: visclass = DirectColor; break;
- case 2: visclass = PseudoColor; break;
- case 3: visclass = StaticColor; break;
- case 4: visclass = GrayScale; break;
- case 5: visclass = StaticGray; break;
- }
- if (min_depth==0) {
- /* start with shallowest */
- for (depth=0;depth<=32;depth++) {
- if (visclass==TrueColor && depth==8 && !hp_cr_maps) {
- /* Special case: try to get 8-bit PseudoColor before */
- /* 8-bit TrueColor */
- vis = get_visual( dpy, screen, 8, PseudoColor );
- if (vis) {
- return vis;
- }
- }
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- else {
- /* start with deepest */
- for (depth=32;depth>=min_depth;depth--) {
- if (visclass==TrueColor && depth==8 && !hp_cr_maps) {
- /* Special case: try to get 8-bit PseudoColor before */
- /* 8-bit TrueColor */
- vis = get_visual( dpy, screen, 8, PseudoColor );
- if (vis) {
- return vis;
- }
- }
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- }
- }
- else {
- /* search for a specific visual class */
- switch (preferred_class) {
- case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
- case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
- case GLX_PSEUDO_COLOR_EXT: visclass = PseudoColor; break;
- case GLX_STATIC_COLOR_EXT: visclass = StaticColor; break;
- case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
- case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
- default: return NULL;
- }
- if (min_depth==0) {
- /* start with shallowest */
- for (depth=0;depth<=32;depth++) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- else {
- /* start with deepest */
- for (depth=32;depth>=min_depth;depth--) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- }
- }
- else {
- /* First see if the MESA_CI_VISUAL env var is defined */
- vis = get_env_visual( dpy, screen, "MESA_CI_VISUAL" );
- if (vis) {
- return vis;
- }
- /* Otherwise, search for a suitable visual, starting with shallowest */
- if (preferred_class==DONT_CARE) {
- for (xclass=0;xclass<4;xclass++) {
- switch (xclass) {
- case 0: visclass = PseudoColor; break;
- case 1: visclass = StaticColor; break;
- case 2: visclass = GrayScale; break;
- case 3: visclass = StaticGray; break;
- }
- /* try 8-bit up through 16-bit */
- for (depth=8;depth<=16;depth++) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- /* try min_depth up to 8-bit */
- for (depth=min_depth;depth<8;depth++) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- }
- else {
- /* search for a specific visual class */
- switch (preferred_class) {
- case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
- case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
- case GLX_PSEUDO_COLOR_EXT: visclass = PseudoColor; break;
- case GLX_STATIC_COLOR_EXT: visclass = StaticColor; break;
- case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
- case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
- default: return NULL;
- }
- /* try 8-bit up through 16-bit */
- for (depth=8;depth<=16;depth++) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- /* try min_depth up to 8-bit */
- for (depth=min_depth;depth<8;depth++) {
- vis = get_visual( dpy, screen, depth, visclass );
- if (vis) {
- return vis;
- }
- }
- }
- }
-
- /* didn't find a visual */
- return NULL;
-}
-
-
-
-/*
- * Find the deepest X over/underlay visual of at least min_depth.
- * Input: dpy, screen - X display and screen number
- * level - the over/underlay level
- * trans_type - transparent pixel type: GLX_NONE_EXT,
- * GLX_TRANSPARENT_RGB_EXT, GLX_TRANSPARENT_INDEX_EXT,
- * or DONT_CARE
- * trans_value - transparent pixel value or DONT_CARE
- * min_depth - minimum visual depth
- * preferred_class - preferred GLX visual class or DONT_CARE
- * Return: pointer to an XVisualInfo or NULL.
- */
-static XVisualInfo *
-choose_x_overlay_visual( Display *dpy, int scr, GLboolean rgbFlag,
- int level, int trans_type, int trans_value,
- int min_depth, int preferred_class )
-{
- OverlayInfo *overlay_info;
- int numOverlaysPerScreen;
- int i;
- XVisualInfo *deepvis;
- int deepest;
-
- /*DEBUG int tt, tv; */
-
- switch (preferred_class) {
- case GLX_TRUE_COLOR_EXT: preferred_class = TrueColor; break;
- case GLX_DIRECT_COLOR_EXT: preferred_class = DirectColor; break;
- case GLX_PSEUDO_COLOR_EXT: preferred_class = PseudoColor; break;
- case GLX_STATIC_COLOR_EXT: preferred_class = StaticColor; break;
- case GLX_GRAY_SCALE_EXT: preferred_class = GrayScale; break;
- case GLX_STATIC_GRAY_EXT: preferred_class = StaticGray; break;
- default: preferred_class = DONT_CARE;
- }
-
- overlay_info = GetOverlayInfo(dpy, scr, &numOverlaysPerScreen);
- if (!overlay_info) {
- return NULL;
- }
-
- /* Search for the deepest overlay which satisifies all criteria. */
- deepest = min_depth;
- deepvis = NULL;
-
- for (i = 0; i < numOverlaysPerScreen; i++) {
- const OverlayInfo *ov = overlay_info + i;
- XVisualInfo *vislist, vistemplate;
- int count;
-
- if (ov->layer!=level) {
- /* failed overlay level criteria */
- continue;
- }
- if (!(trans_type==DONT_CARE
- || (trans_type==GLX_TRANSPARENT_INDEX_EXT
- && ov->transparent_type>0)
- || (trans_type==GLX_NONE_EXT && ov->transparent_type==0))) {
- /* failed transparent pixel type criteria */
- continue;
- }
- if (trans_value!=DONT_CARE && trans_value!=ov->value) {
- /* failed transparent pixel value criteria */
- continue;
- }
-
- /* get XVisualInfo and check the depth */
- vistemplate.visualid = ov->overlay_visual;
- vistemplate.screen = scr;
- vislist = XGetVisualInfo( dpy, VisualIDMask | VisualScreenMask,
- &vistemplate, &count );
-
- if (count!=1) {
- /* something went wrong */
- continue;
- }
- if (preferred_class!=DONT_CARE && preferred_class!=vislist->CLASS) {
- /* wrong visual class */
- continue;
- }
-
- /* if RGB was requested, make sure we have True/DirectColor */
- if (rgbFlag && vislist->CLASS != TrueColor
- && vislist->CLASS != DirectColor)
- continue;
-
- /* if CI was requested, make sure we have a color indexed visual */
- if (!rgbFlag
- && (vislist->CLASS == TrueColor || vislist->CLASS == DirectColor))
- continue;
-
- if (deepvis==NULL || vislist->depth > deepest) {
- /* YES! found a satisfactory visual */
- if (deepvis) {
- XFree( deepvis );
- }
- deepest = vislist->depth;
- deepvis = vislist;
- /* DEBUG tt = ov->transparent_type;*/
- /* DEBUG tv = ov->value; */
- }
- }
-
-/*DEBUG
- if (deepvis) {
- printf("chose 0x%x: layer=%d depth=%d trans_type=%d trans_value=%d\n",
- deepvis->visualid, level, deepvis->depth, tt, tv );
- }
-*/
- return deepvis;
-}
-
-
-/**********************************************************************/
-/*** Display-related functions ***/
-/**********************************************************************/
-
-
-/**
- * Free all XMesaVisuals which are associated with the given display.
- */
-static void
-destroy_visuals_on_display(Display *dpy)
-{
- int i;
- for (i = 0; i < NumVisuals; i++) {
- if (VisualTable[i]->display == dpy) {
- /* remove this visual */
- int j;
- free(VisualTable[i]);
- for (j = i; j < NumVisuals - 1; j++)
- VisualTable[j] = VisualTable[j + 1];
- NumVisuals--;
- }
- }
-}
-
-
-/**
- * Called from XCloseDisplay() to let us free our display-related data.
- */
-static int
-close_display_callback(Display *dpy, XExtCodes *codes)
-{
- destroy_visuals_on_display(dpy);
- xmesa_destroy_buffers_on_display(dpy);
- return 0;
-}
-
-
-/**
- * Look for the named extension on given display and return a pointer
- * to the _XExtension data, or NULL if extension not found.
- */
-static _XExtension *
-lookup_extension(Display *dpy, const char *extName)
-{
- _XExtension *ext;
- for (ext = dpy->ext_procs; ext; ext = ext->next) {
- if (ext->name && strcmp(ext->name, extName) == 0) {
- return ext;
- }
- }
- return NULL;
-}
-
-
-/**
- * Whenever we're given a new Display pointer, call this function to
- * register our close_display_callback function.
- */
-static void
-register_with_display(Display *dpy)
-{
- const char *extName = "MesaGLX";
- _XExtension *ext;
-
- ext = lookup_extension(dpy, extName);
- if (!ext) {
- XExtCodes *c = XAddExtension(dpy);
- ext = dpy->ext_procs; /* new extension is at head of list */
- assert(c->extension == ext->codes.extension);
- ext->name = _mesa_strdup(extName);
- ext->close_display = close_display_callback;
- }
-}
-
-
-/**********************************************************************/
-/*** Begin Fake GLX API Functions ***/
-/**********************************************************************/
-
-
-/**
- * Helper used by glXChooseVisual and glXChooseFBConfig.
- * The fbConfig parameter must be GL_FALSE for the former and GL_TRUE for
- * the later.
- * In either case, the attribute list is terminated with the value 'None'.
- */
-static XMesaVisual
-choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
-{
- const GLboolean rgbModeDefault = fbConfig;
- const int *parselist;
- XVisualInfo *vis;
- int min_ci = 0;
- int min_red=0, min_green=0, min_blue=0;
- GLboolean rgb_flag = rgbModeDefault;
- GLboolean alpha_flag = GL_FALSE;
- GLboolean double_flag = GL_FALSE;
- GLboolean stereo_flag = GL_FALSE;
- GLint depth_size = 0;
- GLint stencil_size = 0;
- GLint accumRedSize = 0;
- GLint accumGreenSize = 0;
- GLint accumBlueSize = 0;
- GLint accumAlphaSize = 0;
- int level = 0;
- int visual_type = DONT_CARE;
- int trans_type = DONT_CARE;
- int trans_value = DONT_CARE;
- GLint caveat = DONT_CARE;
- XMesaVisual xmvis = NULL;
- int desiredVisualID = -1;
- int numAux = 0;
-
- parselist = list;
-
- while (*parselist) {
-
- switch (*parselist) {
- case GLX_USE_GL:
- if (fbConfig) {
- /* invalid token */
- return NULL;
- }
- else {
- /* skip */
- parselist++;
- }
- break;
- case GLX_BUFFER_SIZE:
- parselist++;
- min_ci = *parselist++;
- break;
- case GLX_LEVEL:
- parselist++;
- level = *parselist++;
- break;
- case GLX_RGBA:
- if (fbConfig) {
- /* invalid token */
- return NULL;
- }
- else {
- rgb_flag = GL_TRUE;
- parselist++;
- }
- break;
- case GLX_DOUBLEBUFFER:
- parselist++;
- if (fbConfig) {
- double_flag = *parselist++;
- }
- else {
- double_flag = GL_TRUE;
- }
- break;
- case GLX_STEREO:
- parselist++;
- if (fbConfig) {
- stereo_flag = *parselist++;
- }
- else {
- stereo_flag = GL_TRUE;
- }
- break;
- case GLX_AUX_BUFFERS:
- parselist++;
- numAux = *parselist++;
- if (numAux > MAX_AUX_BUFFERS)
- return NULL;
- break;
- case GLX_RED_SIZE:
- parselist++;
- min_red = *parselist++;
- break;
- case GLX_GREEN_SIZE:
- parselist++;
- min_green = *parselist++;
- break;
- case GLX_BLUE_SIZE:
- parselist++;
- min_blue = *parselist++;
- break;
- case GLX_ALPHA_SIZE:
- parselist++;
- {
- GLint size = *parselist++;
- alpha_flag = size ? GL_TRUE : GL_FALSE;
- }
- break;
- case GLX_DEPTH_SIZE:
- parselist++;
- depth_size = *parselist++;
- break;
- case GLX_STENCIL_SIZE:
- parselist++;
- stencil_size = *parselist++;
- break;
- case GLX_ACCUM_RED_SIZE:
- parselist++;
- {
- GLint size = *parselist++;
- accumRedSize = MAX2( accumRedSize, size );
- }
- break;
- case GLX_ACCUM_GREEN_SIZE:
- parselist++;
- {
- GLint size = *parselist++;
- accumGreenSize = MAX2( accumGreenSize, size );
- }
- break;
- case GLX_ACCUM_BLUE_SIZE:
- parselist++;
- {
- GLint size = *parselist++;
- accumBlueSize = MAX2( accumBlueSize, size );
- }
- break;
- case GLX_ACCUM_ALPHA_SIZE:
- parselist++;
- {
- GLint size = *parselist++;
- accumAlphaSize = MAX2( accumAlphaSize, size );
- }
- break;
-
- /*
- * GLX_EXT_visual_info extension
- */
- case GLX_X_VISUAL_TYPE_EXT:
- parselist++;
- visual_type = *parselist++;
- break;
- case GLX_TRANSPARENT_TYPE_EXT:
- parselist++;
- trans_type = *parselist++;
- break;
- case GLX_TRANSPARENT_INDEX_VALUE_EXT:
- parselist++;
- trans_value = *parselist++;
- break;
- case GLX_TRANSPARENT_RED_VALUE_EXT:
- case GLX_TRANSPARENT_GREEN_VALUE_EXT:
- case GLX_TRANSPARENT_BLUE_VALUE_EXT:
- case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
- /* ignore */
- parselist++;
- parselist++;
- break;
-
- /*
- * GLX_EXT_visual_info extension
- */
- case GLX_VISUAL_CAVEAT_EXT:
- parselist++;
- caveat = *parselist++; /* ignored for now */
- break;
-
- /*
- * GLX_ARB_multisample
- */
- case GLX_SAMPLE_BUFFERS_ARB:
- /* ms not supported */
- return NULL;
- case GLX_SAMPLES_ARB:
- /* ms not supported */
- return NULL;
-
- /*
- * FBConfig attribs.
- */
- case GLX_RENDER_TYPE:
- if (!fbConfig)
- return NULL;
- parselist++;
- if (*parselist == GLX_RGBA_BIT) {
- rgb_flag = GL_TRUE;
- }
- else if (*parselist == GLX_COLOR_INDEX_BIT) {
- rgb_flag = GL_FALSE;
- }
- else if (*parselist == 0) {
- rgb_flag = GL_TRUE;
- }
- parselist++;
- break;
- case GLX_DRAWABLE_TYPE:
- if (!fbConfig)
- return NULL;
- parselist++;
- if (*parselist & ~(GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT)) {
- return NULL; /* bad bit */
- }
- parselist++;
- break;
- case GLX_FBCONFIG_ID:
- if (!fbConfig)
- return NULL;
- parselist++;
- desiredVisualID = *parselist++;
- break;
- case GLX_X_RENDERABLE:
- if (!fbConfig)
- return NULL;
- parselist += 2;
- /* ignore */
- break;
-
-#ifdef GLX_EXT_texture_from_pixmap
- case GLX_BIND_TO_TEXTURE_RGB_EXT:
- parselist++; /*skip*/
- break;
- case GLX_BIND_TO_TEXTURE_RGBA_EXT:
- parselist++; /*skip*/
- break;
- case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
- parselist++; /*skip*/
- break;
- case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
- parselist++;
- if (*parselist & ~(GLX_TEXTURE_1D_BIT_EXT |
- GLX_TEXTURE_2D_BIT_EXT |
- GLX_TEXTURE_RECTANGLE_BIT_EXT)) {
- /* invalid bit */
- return NULL;
- }
- break;
- case GLX_Y_INVERTED_EXT:
- parselist++; /*skip*/
- break;
-#endif
-
- case None:
- /* end of list */
- break;
-
- default:
- /* undefined attribute */
- _mesa_warning(NULL, "unexpected attrib 0x%x in choose_visual()",
- *parselist);
- return NULL;
- }
- }
-
- (void) caveat;
-
- /*
- * Since we're only simulating the GLX extension this function will never
- * find any real GL visuals. Instead, all we can do is try to find an RGB
- * or CI visual of appropriate depth. Other requested attributes such as
- * double buffering, depth buffer, etc. will be associated with the X
- * visual and stored in the VisualTable[].
- */
- if (desiredVisualID != -1) {
- /* try to get a specific visual, by visualID */
- XVisualInfo temp;
- int n;
- temp.visualid = desiredVisualID;
- temp.screen = screen;
- vis = XGetVisualInfo(dpy, VisualIDMask | VisualScreenMask, &temp, &n);
- if (vis) {
- /* give the visual some useful GLX attributes */
- double_flag = GL_TRUE;
- if (vis->depth > 8)
- rgb_flag = GL_TRUE;
- depth_size = 24; /*default_depth_bits();*/
- stencil_size = STENCIL_BITS;
- /* XXX accum??? */
- }
- }
- else if (level==0) {
- /* normal color planes */
- if (rgb_flag) {
- /* Get an RGB visual */
- int min_rgb = min_red + min_green + min_blue;
- if (min_rgb>1 && min_rgb<8) {
- /* a special case to be sure we can get a monochrome visual */
- min_rgb = 1;
- }
- vis = choose_x_visual( dpy, screen, rgb_flag, min_rgb, visual_type );
- }
- else {
- /* Get a color index visual */
- vis = choose_x_visual( dpy, screen, rgb_flag, min_ci, visual_type );
- accumRedSize = accumGreenSize = accumBlueSize = accumAlphaSize = 0;
- }
- }
- else {
- /* over/underlay planes */
- if (rgb_flag) {
- /* rgba overlay */
- int min_rgb = min_red + min_green + min_blue;
- if (min_rgb>1 && min_rgb<8) {
- /* a special case to be sure we can get a monochrome visual */
- min_rgb = 1;
- }
- vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level,
- trans_type, trans_value, min_rgb, visual_type );
- }
- else {
- /* color index overlay */
- vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level,
- trans_type, trans_value, min_ci, visual_type );
- }
- }
-
- if (vis) {
- /* Note: we're not exactly obeying the glXChooseVisual rules here.
- * When GLX_DEPTH_SIZE = 1 is specified we're supposed to choose the
- * largest depth buffer size, which is 32bits/value. Instead, we
- * return 16 to maintain performance with earlier versions of Mesa.
- */
- if (stencil_size > 0)
- depth_size = 24; /* if Z and stencil, always use 24+8 format */
- else if (depth_size > 24)
- depth_size = 32;
- else if (depth_size > 16)
- depth_size = 24;
- else if (depth_size > 0) {
- depth_size = default_depth_bits();
- }
-
- if (!alpha_flag) {
- alpha_flag = default_alpha_bits() > 0;
- }
-
- /* we only support one size of stencil and accum buffers. */
- if (stencil_size > 0)
- stencil_size = STENCIL_BITS;
- if (accumRedSize > 0 || accumGreenSize > 0 || accumBlueSize > 0 ||
- accumAlphaSize > 0) {
- accumRedSize =
- accumGreenSize =
- accumBlueSize = default_accum_bits();
- accumAlphaSize = alpha_flag ? accumRedSize : 0;
- }
-
- xmvis = save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag,
- stereo_flag, depth_size, stencil_size,
- accumRedSize, accumGreenSize,
- accumBlueSize, accumAlphaSize, level, numAux );
- }
-
- return xmvis;
-}
-
-
-static XVisualInfo *
-Fake_glXChooseVisual( Display *dpy, int screen, int *list )
-{
- XMesaVisual xmvis;
-
- /* register ourselves as an extension on this display */
- register_with_display(dpy);
-
- xmvis = choose_visual(dpy, screen, list, GL_FALSE);
- if (xmvis) {
-#if 0
- return xmvis->vishandle;
-#else
- /* create a new vishandle - the cached one may be stale */
- xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo));
- if (xmvis->vishandle) {
- _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
- }
- return xmvis->vishandle;
-#endif
- }
- else
- return NULL;
-}
-
-
-static GLXContext
-Fake_glXCreateContext( Display *dpy, XVisualInfo *visinfo,
- GLXContext share_list, Bool direct )
-{
- XMesaVisual xmvis;
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list;
-
- if (!dpy || !visinfo)
- return 0;
-
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
- return 0;
-
- /* deallocate unused windows/buffers */
-#if 0
- XMesaGarbageCollect();
-#endif
-
- xmvis = find_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* This visual wasn't found with glXChooseVisual() */
- xmvis = create_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* unusable visual */
- _mesa_free(glxCtx);
- return NULL;
- }
- }
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- _mesa_free(glxCtx);
- return NULL;
- }
-
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
-
- return (GLXContext) glxCtx;
-}
-
-
-/* XXX these may have to be removed due to thread-safety issues. */
-static GLXContext MakeCurrent_PrevContext = 0;
-static GLXDrawable MakeCurrent_PrevDrawable = 0;
-static GLXDrawable MakeCurrent_PrevReadable = 0;
-static XMesaBuffer MakeCurrent_PrevDrawBuffer = 0;
-static XMesaBuffer MakeCurrent_PrevReadBuffer = 0;
-
-
-/* GLX 1.3 and later */
-static Bool
-Fake_glXMakeContextCurrent( Display *dpy, GLXDrawable draw,
- GLXDrawable read, GLXContext ctx )
-{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
-
- if (ctx && draw && read) {
- XMesaBuffer drawBuffer, readBuffer;
- XMesaContext xmctx = glxCtx->xmesaContext;
-
- /* Find the XMesaBuffer which corresponds to the GLXDrawable 'draw' */
- if (ctx == MakeCurrent_PrevContext
- && draw == MakeCurrent_PrevDrawable) {
- drawBuffer = MakeCurrent_PrevDrawBuffer;
- }
- else {
- drawBuffer = XMesaFindBuffer( dpy, draw );
- }
- if (!drawBuffer) {
- /* drawable must be a new window! */
- drawBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, draw );
- if (!drawBuffer) {
- /* Out of memory, or context/drawable depth mismatch */
- return False;
- }
-#ifdef FX
- FXcreateContext( xmctx->xm_visual, draw, xmctx, drawBuffer );
-#endif
- }
-
- /* Find the XMesaBuffer which corresponds to the GLXDrawable 'read' */
- if (ctx == MakeCurrent_PrevContext
- && read == MakeCurrent_PrevReadable) {
- readBuffer = MakeCurrent_PrevReadBuffer;
- }
- else {
- readBuffer = XMesaFindBuffer( dpy, read );
- }
- if (!readBuffer) {
- /* drawable must be a new window! */
- readBuffer = XMesaCreateWindowBuffer( xmctx->xm_visual, read );
- if (!readBuffer) {
- /* Out of memory, or context/drawable depth mismatch */
- return False;
- }
-#ifdef FX
- FXcreateContext( xmctx->xm_visual, read, xmctx, readBuffer );
-#endif
- }
-
- MakeCurrent_PrevContext = ctx;
- MakeCurrent_PrevDrawable = draw;
- MakeCurrent_PrevReadable = read;
- MakeCurrent_PrevDrawBuffer = drawBuffer;
- MakeCurrent_PrevReadBuffer = readBuffer;
-
- /* Now make current! */
- if (XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer)) {
- ((__GLXcontext *) ctx)->currentDpy = dpy;
- ((__GLXcontext *) ctx)->currentDrawable = draw;
- ((__GLXcontext *) ctx)->currentReadable = read;
- return True;
- }
- else {
- return False;
- }
- }
- else if (!ctx && !draw && !read) {
- /* release current context w/out assigning new one. */
- XMesaMakeCurrent( NULL, NULL );
- MakeCurrent_PrevContext = 0;
- MakeCurrent_PrevDrawable = 0;
- MakeCurrent_PrevReadable = 0;
- MakeCurrent_PrevDrawBuffer = 0;
- MakeCurrent_PrevReadBuffer = 0;
- return True;
- }
- else {
- /* The args must either all be non-zero or all zero.
- * This is an error.
- */
- return False;
- }
-}
-
-
-static Bool
-Fake_glXMakeCurrent( Display *dpy, GLXDrawable drawable, GLXContext ctx )
-{
- return Fake_glXMakeContextCurrent( dpy, drawable, drawable, ctx );
-}
-
-
-static GLXPixmap
-Fake_glXCreateGLXPixmap( Display *dpy, XVisualInfo *visinfo, Pixmap pixmap )
-{
- XMesaVisual v;
- XMesaBuffer b;
-
- v = find_glx_visual( dpy, visinfo );
- if (!v) {
- v = create_glx_visual( dpy, visinfo );
- if (!v) {
- /* unusable visual */
- return 0;
- }
- }
-
- b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
- if (!b) {
- return 0;
- }
- return b->drawable;
-}
-
-
-/*** GLX_MESA_pixmap_colormap ***/
-
-static GLXPixmap
-Fake_glXCreateGLXPixmapMESA( Display *dpy, XVisualInfo *visinfo,
- Pixmap pixmap, Colormap cmap )
-{
- XMesaVisual v;
- XMesaBuffer b;
-
- v = find_glx_visual( dpy, visinfo );
- if (!v) {
- v = create_glx_visual( dpy, visinfo );
- if (!v) {
- /* unusable visual */
- return 0;
- }
- }
-
- b = XMesaCreatePixmapBuffer( v, pixmap, cmap );
- if (!b) {
- return 0;
- }
- return b->drawable;
-}
-
-
-static void
-Fake_glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap )
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, pixmap);
- if (b) {
- XMesaDestroyBuffer(b);
- }
- else if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
- }
-}
-
-
-static void
-Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
- unsigned long mask )
-{
- struct fake_glx_context *fakeSrc = (struct fake_glx_context *) src;
- struct fake_glx_context *fakeDst = (struct fake_glx_context *) dst;
- XMesaContext xm_src = fakeSrc->xmesaContext;
- XMesaContext xm_dst = fakeDst->xmesaContext;
- (void) dpy;
- if (MakeCurrent_PrevContext == src) {
- _mesa_Flush();
- }
- st_copy_context_state( xm_src->st, xm_dst->st, (GLuint) mask );
-}
-
-
-static Bool
-Fake_glXQueryExtension( Display *dpy, int *errorb, int *event )
-{
- /* Mesa's GLX isn't really an X extension but we try to act like one. */
- (void) dpy;
- (void) errorb;
- (void) event;
- return True;
-}
-
-
-extern void _kw_ungrab_all( Display *dpy );
-void _kw_ungrab_all( Display *dpy )
-{
- XUngrabPointer( dpy, CurrentTime );
- XUngrabKeyboard( dpy, CurrentTime );
-}
-
-
-static void
-Fake_glXDestroyContext( Display *dpy, GLXContext ctx )
-{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- (void) dpy;
- MakeCurrent_PrevContext = 0;
- MakeCurrent_PrevDrawable = 0;
- MakeCurrent_PrevReadable = 0;
- MakeCurrent_PrevDrawBuffer = 0;
- MakeCurrent_PrevReadBuffer = 0;
- XMesaDestroyContext( glxCtx->xmesaContext );
- XMesaGarbageCollect();
- _mesa_free(glxCtx);
-}
-
-
-static Bool
-Fake_glXIsDirect( Display *dpy, GLXContext ctx )
-{
- (void) dpy;
- (void) ctx;
- return False;
-}
-
-
-
-static void
-Fake_glXSwapBuffers( Display *dpy, GLXDrawable drawable )
-{
- XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
-
- if (buffer) {
- XMesaSwapBuffers(buffer);
- }
- else if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n",
- (int) drawable);
- }
-}
-
-
-
-/*** GLX_MESA_copy_sub_buffer ***/
-
-static void
-Fake_glXCopySubBufferMESA( Display *dpy, GLXDrawable drawable,
- int x, int y, int width, int height )
-{
- XMesaBuffer buffer = XMesaFindBuffer( dpy, drawable );
- if (buffer) {
- XMesaCopySubBuffer(buffer, x, y, width, height);
- }
- else if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n");
- }
-}
-
-
-static Bool
-Fake_glXQueryVersion( Display *dpy, int *maj, int *min )
-{
- (void) dpy;
- /* Return GLX version, not Mesa version */
- assert(CLIENT_MAJOR_VERSION == SERVER_MAJOR_VERSION);
- *maj = CLIENT_MAJOR_VERSION;
- *min = MIN2( CLIENT_MINOR_VERSION, SERVER_MINOR_VERSION );
- return True;
-}
-
-
-/*
- * Query the GLX attributes of the given XVisualInfo.
- */
-static int
-get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
-{
- ASSERT(xmvis);
- switch(attrib) {
- case GLX_USE_GL:
- if (fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = (int) True;
- return 0;
- case GLX_BUFFER_SIZE:
- *value = xmvis->visinfo->depth;
- return 0;
- case GLX_LEVEL:
- *value = xmvis->mesa_visual.level;
- return 0;
- case GLX_RGBA:
- if (fbconfig)
- return GLX_BAD_ATTRIBUTE;
- if (xmvis->mesa_visual.rgbMode) {
- *value = True;
- }
- else {
- *value = False;
- }
- return 0;
- case GLX_DOUBLEBUFFER:
- *value = (int) xmvis->mesa_visual.doubleBufferMode;
- return 0;
- case GLX_STEREO:
- *value = (int) xmvis->mesa_visual.stereoMode;
- return 0;
- case GLX_AUX_BUFFERS:
- *value = xmvis->mesa_visual.numAuxBuffers;
- return 0;
- case GLX_RED_SIZE:
- *value = xmvis->mesa_visual.redBits;
- return 0;
- case GLX_GREEN_SIZE:
- *value = xmvis->mesa_visual.greenBits;
- return 0;
- case GLX_BLUE_SIZE:
- *value = xmvis->mesa_visual.blueBits;
- return 0;
- case GLX_ALPHA_SIZE:
- *value = xmvis->mesa_visual.alphaBits;
- return 0;
- case GLX_DEPTH_SIZE:
- *value = xmvis->mesa_visual.depthBits;
- return 0;
- case GLX_STENCIL_SIZE:
- *value = xmvis->mesa_visual.stencilBits;
- return 0;
- case GLX_ACCUM_RED_SIZE:
- *value = xmvis->mesa_visual.accumRedBits;
- return 0;
- case GLX_ACCUM_GREEN_SIZE:
- *value = xmvis->mesa_visual.accumGreenBits;
- return 0;
- case GLX_ACCUM_BLUE_SIZE:
- *value = xmvis->mesa_visual.accumBlueBits;
- return 0;
- case GLX_ACCUM_ALPHA_SIZE:
- *value = xmvis->mesa_visual.accumAlphaBits;
- return 0;
-
- /*
- * GLX_EXT_visual_info extension
- */
- case GLX_X_VISUAL_TYPE_EXT:
- switch (xmvis->visinfo->CLASS) {
- case StaticGray: *value = GLX_STATIC_GRAY_EXT; return 0;
- case GrayScale: *value = GLX_GRAY_SCALE_EXT; return 0;
- case StaticColor: *value = GLX_STATIC_GRAY_EXT; return 0;
- case PseudoColor: *value = GLX_PSEUDO_COLOR_EXT; return 0;
- case TrueColor: *value = GLX_TRUE_COLOR_EXT; return 0;
- case DirectColor: *value = GLX_DIRECT_COLOR_EXT; return 0;
- }
- return 0;
- case GLX_TRANSPARENT_TYPE_EXT:
- if (xmvis->mesa_visual.level==0) {
- /* normal planes */
- *value = GLX_NONE_EXT;
- }
- else if (xmvis->mesa_visual.level>0) {
- /* overlay */
- if (xmvis->mesa_visual.rgbMode) {
- *value = GLX_TRANSPARENT_RGB_EXT;
- }
- else {
- *value = GLX_TRANSPARENT_INDEX_EXT;
- }
- }
- else if (xmvis->mesa_visual.level<0) {
- /* underlay */
- *value = GLX_NONE_EXT;
- }
- return 0;
- case GLX_TRANSPARENT_INDEX_VALUE_EXT:
- {
- int pixel = transparent_pixel( xmvis );
- if (pixel>=0) {
- *value = pixel;
- }
- /* else undefined */
- }
- return 0;
- case GLX_TRANSPARENT_RED_VALUE_EXT:
- /* undefined */
- return 0;
- case GLX_TRANSPARENT_GREEN_VALUE_EXT:
- /* undefined */
- return 0;
- case GLX_TRANSPARENT_BLUE_VALUE_EXT:
- /* undefined */
- return 0;
- case GLX_TRANSPARENT_ALPHA_VALUE_EXT:
- /* undefined */
- return 0;
-
- /*
- * GLX_EXT_visual_info extension
- */
- case GLX_VISUAL_CAVEAT_EXT:
- /* test for zero, just in case */
- if (xmvis->mesa_visual.visualRating > 0)
- *value = xmvis->mesa_visual.visualRating;
- else
- *value = GLX_NONE_EXT;
- return 0;
-
- /*
- * GLX_ARB_multisample
- */
- case GLX_SAMPLE_BUFFERS_ARB:
- *value = 0;
- return 0;
- case GLX_SAMPLES_ARB:
- *value = 0;
- return 0;
-
- /*
- * For FBConfigs:
- */
- case GLX_SCREEN_EXT:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = xmvis->visinfo->screen;
- break;
- case GLX_DRAWABLE_TYPE: /*SGIX too */
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
- break;
- case GLX_RENDER_TYPE_SGIX:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- if (xmvis->mesa_visual.rgbMode)
- *value = GLX_RGBA_BIT;
- else
- *value = GLX_COLOR_INDEX_BIT;
- break;
- case GLX_X_RENDERABLE_SGIX:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = True; /* XXX really? */
- break;
- case GLX_FBCONFIG_ID_SGIX:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = xmvis->visinfo->visualid;
- break;
- case GLX_MAX_PBUFFER_WIDTH:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- /* XXX or MAX_WIDTH? */
- *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen);
- break;
- case GLX_MAX_PBUFFER_HEIGHT:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = DisplayHeight(xmvis->display, xmvis->visinfo->screen);
- break;
- case GLX_MAX_PBUFFER_PIXELS:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = DisplayWidth(xmvis->display, xmvis->visinfo->screen) *
- DisplayHeight(xmvis->display, xmvis->visinfo->screen);
- break;
- case GLX_VISUAL_ID:
- if (!fbconfig)
- return GLX_BAD_ATTRIBUTE;
- *value = xmvis->visinfo->visualid;
- break;
-
-#ifdef GLX_EXT_texture_from_pixmap
- case GLX_BIND_TO_TEXTURE_RGB_EXT:
- *value = True; /*XXX*/
- break;
- case GLX_BIND_TO_TEXTURE_RGBA_EXT:
- /* XXX review */
- *value = xmvis->mesa_visual.alphaBits > 0 ? True : False;
- break;
- case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
- *value = True; /*XXX*/
- break;
- case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
- *value = (GLX_TEXTURE_1D_BIT_EXT |
- GLX_TEXTURE_2D_BIT_EXT |
- GLX_TEXTURE_RECTANGLE_BIT_EXT); /*XXX*/
- break;
- case GLX_Y_INVERTED_EXT:
- *value = True; /*XXX*/
- break;
-#endif
-
- default:
- return GLX_BAD_ATTRIBUTE;
- }
- return Success;
-}
-
-
-static int
-Fake_glXGetConfig( Display *dpy, XVisualInfo *visinfo,
- int attrib, int *value )
-{
- XMesaVisual xmvis;
- int k;
- if (!dpy || !visinfo)
- return GLX_BAD_ATTRIBUTE;
-
- xmvis = find_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* this visual wasn't obtained with glXChooseVisual */
- xmvis = create_glx_visual( dpy, visinfo );
- if (!xmvis) {
- /* this visual can't be used for GL rendering */
- if (attrib==GLX_USE_GL) {
- *value = (int) False;
- return 0;
- }
- else {
- return GLX_BAD_VISUAL;
- }
- }
- }
-
- k = get_config(xmvis, attrib, value, GL_FALSE);
- return k;
-}
-
-
-static void
-Fake_glXWaitGL( void )
-{
- XMesaContext xmesa = XMesaGetCurrentContext();
- XMesaFlush( xmesa );
-}
-
-
-
-static void
-Fake_glXWaitX( void )
-{
- XMesaContext xmesa = XMesaGetCurrentContext();
- XMesaFlush( xmesa );
-}
-
-
-static const char *
-get_extensions( void )
-{
-#ifdef FX
- const char *fx = _mesa_getenv("MESA_GLX_FX");
- if (fx && fx[0] != 'd') {
- return EXTENSIONS;
- }
-#endif
- return EXTENSIONS + 23; /* skip "GLX_MESA_set_3dfx_mode" */
-}
-
-
-
-/* GLX 1.1 and later */
-static const char *
-Fake_glXQueryExtensionsString( Display *dpy, int screen )
-{
- (void) dpy;
- (void) screen;
- return get_extensions();
-}
-
-
-
-/* GLX 1.1 and later */
-static const char *
-Fake_glXQueryServerString( Display *dpy, int screen, int name )
-{
- static char version[1000];
- _mesa_sprintf(version, "%d.%d %s",
- SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION, MESA_GLX_VERSION);
-
- (void) dpy;
- (void) screen;
-
- switch (name) {
- case GLX_EXTENSIONS:
- return get_extensions();
- case GLX_VENDOR:
- return VENDOR;
- case GLX_VERSION:
- return version;
- default:
- return NULL;
- }
-}
-
-
-
-/* GLX 1.1 and later */
-static const char *
-Fake_glXGetClientString( Display *dpy, int name )
-{
- static char version[1000];
- _mesa_sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
- CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
-
- (void) dpy;
-
- switch (name) {
- case GLX_EXTENSIONS:
- return get_extensions();
- case GLX_VENDOR:
- return VENDOR;
- case GLX_VERSION:
- return version;
- default:
- return NULL;
- }
-}
-
-
-
-/*
- * GLX 1.3 and later
- */
-
-
-static int
-Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
- int attribute, int *value )
-{
- XMesaVisual v = (XMesaVisual) config;
- (void) dpy;
- (void) config;
-
- if (!dpy || !config || !value)
- return -1;
-
- return get_config(v, attribute, value, GL_TRUE);
-}
-
-
-static GLXFBConfig *
-Fake_glXGetFBConfigs( Display *dpy, int screen, int *nelements )
-{
- XVisualInfo *visuals, visTemplate;
- const long visMask = VisualScreenMask;
- int i;
-
- /* Get list of all X visuals */
- visTemplate.screen = screen;
- visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements);
- if (*nelements > 0) {
- XMesaVisual *results;
- results = (XMesaVisual *) _mesa_malloc(*nelements * sizeof(XMesaVisual));
- if (!results) {
- *nelements = 0;
- return NULL;
- }
- for (i = 0; i < *nelements; i++) {
- results[i] = create_glx_visual(dpy, visuals + i);
- }
- return (GLXFBConfig *) results;
- }
- return NULL;
-}
-
-
-static GLXFBConfig *
-Fake_glXChooseFBConfig( Display *dpy, int screen,
- const int *attribList, int *nitems )
-{
- XMesaVisual xmvis;
-
- if (!attribList || !attribList[0]) {
- /* return list of all configs (per GLX_SGIX_fbconfig spec) */
- return Fake_glXGetFBConfigs(dpy, screen, nitems);
- }
-
- xmvis = choose_visual(dpy, screen, attribList, GL_TRUE);
- if (xmvis) {
- GLXFBConfig *config = (GLXFBConfig *) _mesa_malloc(sizeof(XMesaVisual));
- if (!config) {
- *nitems = 0;
- return NULL;
- }
- *nitems = 1;
- config[0] = (GLXFBConfig) xmvis;
- return (GLXFBConfig *) config;
- }
- else {
- *nitems = 0;
- return NULL;
- }
-}
-
-
-static XVisualInfo *
-Fake_glXGetVisualFromFBConfig( Display *dpy, GLXFBConfig config )
-{
- if (dpy && config) {
- XMesaVisual xmvis = (XMesaVisual) config;
-#if 0
- return xmvis->vishandle;
-#else
- /* create a new vishandle - the cached one may be stale */
- xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo));
- if (xmvis->vishandle) {
- _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
- }
- return xmvis->vishandle;
-#endif
- }
- else {
- return NULL;
- }
-}
-
-
-static GLXWindow
-Fake_glXCreateWindow( Display *dpy, GLXFBConfig config, Window win,
- const int *attribList )
-{
- XMesaVisual xmvis = (XMesaVisual) config;
- XMesaBuffer xmbuf;
- if (!xmvis)
- return 0;
-
- xmbuf = XMesaCreateWindowBuffer(xmvis, win);
- if (!xmbuf)
- return 0;
-
-#ifdef FX
- /* XXX this will segfault if actually called */
- FXcreateContext(xmvis, win, NULL, xmbuf);
-#endif
-
- (void) dpy;
- (void) attribList; /* Ignored in GLX 1.3 */
-
- return win; /* A hack for now */
-}
-
-
-static void
-Fake_glXDestroyWindow( Display *dpy, GLXWindow window )
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, (XMesaDrawable) window);
- if (b)
- XMesaDestroyBuffer(b);
- /* don't destroy X window */
-}
-
-
-/* XXX untested */
-static GLXPixmap
-Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap,
- const int *attribList )
-{
- XMesaVisual v = (XMesaVisual) config;
- XMesaBuffer b;
- const int *attr;
- int target = 0, format = 0, mipmap = 0;
- int value;
-
- if (!dpy || !config || !pixmap)
- return 0;
-
- for (attr = attribList; *attr; attr++) {
- switch (*attr) {
- case GLX_TEXTURE_FORMAT_EXT:
- attr++;
- switch (*attr) {
- case GLX_TEXTURE_FORMAT_NONE_EXT:
- case GLX_TEXTURE_FORMAT_RGB_EXT:
- case GLX_TEXTURE_FORMAT_RGBA_EXT:
- format = *attr;
- break;
- default:
- /* error */
- return 0;
- }
- break;
- case GLX_TEXTURE_TARGET_EXT:
- attr++;
- switch (*attr) {
- case GLX_TEXTURE_1D_EXT:
- case GLX_TEXTURE_2D_EXT:
- case GLX_TEXTURE_RECTANGLE_EXT:
- target = *attr;
- break;
- default:
- /* error */
- return 0;
- }
- break;
- case GLX_MIPMAP_TEXTURE_EXT:
- attr++;
- if (*attr)
- mipmap = 1;
- break;
- default:
- /* error */
- return 0;
- }
- }
-
- if (format == GLX_TEXTURE_FORMAT_RGB_EXT) {
- if (get_config(v, GLX_BIND_TO_TEXTURE_RGB_EXT,
- &value, GL_TRUE) != Success
- || !value) {
- return 0; /* error! */
- }
- }
- else if (format == GLX_TEXTURE_FORMAT_RGBA_EXT) {
- if (get_config(v, GLX_BIND_TO_TEXTURE_RGBA_EXT,
- &value, GL_TRUE) != Success
- || !value) {
- return 0; /* error! */
- }
- }
- if (mipmap) {
- if (get_config(v, GLX_BIND_TO_MIPMAP_TEXTURE_EXT,
- &value, GL_TRUE) != Success
- || !value) {
- return 0; /* error! */
- }
- }
- if (target == GLX_TEXTURE_1D_EXT) {
- if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
- &value, GL_TRUE) != Success
- || (value & GLX_TEXTURE_1D_BIT_EXT) == 0) {
- return 0; /* error! */
- }
- }
- else if (target == GLX_TEXTURE_2D_EXT) {
- if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
- &value, GL_TRUE) != Success
- || (value & GLX_TEXTURE_2D_BIT_EXT) == 0) {
- return 0; /* error! */
- }
- }
- if (target == GLX_TEXTURE_RECTANGLE_EXT) {
- if (get_config(v, GLX_BIND_TO_TEXTURE_TARGETS_EXT,
- &value, GL_TRUE) != Success
- || (value & GLX_TEXTURE_RECTANGLE_BIT_EXT) == 0) {
- return 0; /* error! */
- }
- }
-
- if (format || target || mipmap) {
- /* texture from pixmap */
- b = XMesaCreatePixmapTextureBuffer(v, pixmap, 0, format, target, mipmap);
- }
- else {
- b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
- }
- if (!b) {
- return 0;
- }
-
- return pixmap;
-}
-
-
-static void
-Fake_glXDestroyPixmap( Display *dpy, GLXPixmap pixmap )
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, (XMesaDrawable)pixmap);
- if (b)
- XMesaDestroyBuffer(b);
- /* don't destroy X pixmap */
-}
-
-
-static GLXPbuffer
-Fake_glXCreatePbuffer( Display *dpy, GLXFBConfig config,
- const int *attribList )
-{
- XMesaVisual xmvis = (XMesaVisual) config;
- XMesaBuffer xmbuf;
- const int *attrib;
- int width = 0, height = 0;
- GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE;
-
- (void) dpy;
-
- for (attrib = attribList; *attrib; attrib++) {
- switch (*attrib) {
- case GLX_PBUFFER_WIDTH:
- attrib++;
- width = *attrib;
- break;
- case GLX_PBUFFER_HEIGHT:
- attrib++;
- height = *attrib;
- break;
- case GLX_PRESERVED_CONTENTS:
- attrib++;
- preserveContents = *attrib; /* ignored */
- break;
- case GLX_LARGEST_PBUFFER:
- attrib++;
- useLargest = *attrib; /* ignored */
- break;
- default:
- return 0;
- }
- }
-
- /* not used at this time */
- (void) useLargest;
- (void) preserveContents;
-
- if (width == 0 || height == 0)
- return 0;
-
- xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
- /* A GLXPbuffer handle must be an X Drawable because that's what
- * glXMakeCurrent takes.
- */
- if (xmbuf)
- return (GLXPbuffer) xmbuf->drawable;
- else
- return 0;
-}
-
-
-static void
-Fake_glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf )
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, pbuf);
- if (b) {
- XMesaDestroyBuffer(b);
- }
-}
-
-
-static void
-Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
- unsigned int *value )
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, draw);
- if (!xmbuf)
- return;
-
- switch (attribute) {
- case GLX_WIDTH:
- *value = xmesa_buffer_width(xmbuf);
- break;
- case GLX_HEIGHT:
- *value = xmesa_buffer_width(xmbuf);
- break;
- case GLX_PRESERVED_CONTENTS:
- *value = True;
- break;
- case GLX_LARGEST_PBUFFER:
- *value = xmesa_buffer_width(xmbuf) * xmesa_buffer_height(xmbuf);
- break;
- case GLX_FBCONFIG_ID:
- *value = xmbuf->xm_visual->visinfo->visualid;
- return;
-#ifdef GLX_EXT_texture_from_pixmap
- case GLX_TEXTURE_FORMAT_EXT:
- *value = xmbuf->TextureFormat;
- break;
- case GLX_TEXTURE_TARGET_EXT:
- *value = xmbuf->TextureTarget;
- break;
- case GLX_MIPMAP_TEXTURE_EXT:
- *value = xmbuf->TextureMipmap;
- break;
-#endif
-
- default:
- return; /* raise BadValue error */
- }
-}
-
-
-static GLXContext
-Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config,
- int renderType, GLXContext shareList, Bool direct )
-{
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) shareList;
- XMesaVisual xmvis = (XMesaVisual) config;
-
- if (!dpy || !config ||
- (renderType != GLX_RGBA_TYPE && renderType != GLX_COLOR_INDEX_TYPE))
- return 0;
-
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
- return 0;
-
- /* deallocate unused windows/buffers */
- XMesaGarbageCollect();
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- _mesa_free(glxCtx);
- return NULL;
- }
-
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
-
- return (GLXContext) glxCtx;
-}
-
-
-static int
-Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
-{
- struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
- XMesaContext xmctx = glxCtx->xmesaContext;
-
- (void) dpy;
- (void) ctx;
-
- switch (attribute) {
- case GLX_FBCONFIG_ID:
- *value = xmctx->xm_visual->visinfo->visualid;
- break;
- case GLX_RENDER_TYPE:
- if (xmctx->xm_visual->mesa_visual.rgbMode)
- *value = GLX_RGBA_BIT;
- else
- *value = GLX_COLOR_INDEX_BIT;
- break;
- case GLX_SCREEN:
- *value = 0;
- return Success;
- default:
- return GLX_BAD_ATTRIBUTE;
- }
- return 0;
-}
-
-
-static void
-Fake_glXSelectEvent( Display *dpy, GLXDrawable drawable, unsigned long mask )
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
- if (xmbuf)
- xmbuf->selectedEvents = mask;
-}
-
-
-static void
-Fake_glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
- unsigned long *mask )
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
- if (xmbuf)
- *mask = xmbuf->selectedEvents;
- else
- *mask = 0;
-}
-
-
-
-/*** GLX_SGI_swap_control ***/
-
-static int
-Fake_glXSwapIntervalSGI(int interval)
-{
- (void) interval;
- return 0;
-}
-
-
-
-/*** GLX_SGI_video_sync ***/
-
-static unsigned int FrameCounter = 0;
-
-static int
-Fake_glXGetVideoSyncSGI(unsigned int *count)
-{
- /* this is a bogus implementation */
- *count = FrameCounter++;
- return 0;
-}
-
-static int
-Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
-{
- if (divisor <= 0 || remainder < 0)
- return GLX_BAD_VALUE;
- /* this is a bogus implementation */
- FrameCounter++;
- while (FrameCounter % divisor != remainder)
- FrameCounter++;
- *count = FrameCounter;
- return 0;
-}
-
-
-
-/*** GLX_SGI_make_current_read ***/
-
-static Bool
-Fake_glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx)
-{
- return Fake_glXMakeContextCurrent( dpy, draw, read, ctx );
-}
-
-/* not used
-static GLXDrawable
-Fake_glXGetCurrentReadDrawableSGI(void)
-{
- return 0;
-}
-*/
-
-
-/*** GLX_SGIX_video_source ***/
-#if defined(_VL_H)
-
-static GLXVideoSourceSGIX
-Fake_glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode)
-{
- (void) dpy;
- (void) screen;
- (void) server;
- (void) path;
- (void) nodeClass;
- (void) drainNode;
- return 0;
-}
-
-static void
-Fake_glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src)
-{
- (void) dpy;
- (void) src;
-}
-
-#endif
-
-
-/*** GLX_EXT_import_context ***/
-
-static void
-Fake_glXFreeContextEXT(Display *dpy, GLXContext context)
-{
- (void) dpy;
- (void) context;
-}
-
-static GLXContextID
-Fake_glXGetContextIDEXT(const GLXContext context)
-{
- (void) context;
- return 0;
-}
-
-static GLXContext
-Fake_glXImportContextEXT(Display *dpy, GLXContextID contextID)
-{
- (void) dpy;
- (void) contextID;
- return 0;
-}
-
-static int
-Fake_glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute, int *value)
-{
- (void) dpy;
- (void) context;
- (void) attribute;
- (void) value;
- return 0;
-}
-
-
-
-/*** GLX_SGIX_fbconfig ***/
-
-static int
-Fake_glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value)
-{
- return Fake_glXGetFBConfigAttrib(dpy, config, attribute, value);
-}
-
-static GLXFBConfigSGIX *
-Fake_glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements)
-{
- return (GLXFBConfig *) Fake_glXChooseFBConfig(dpy, screen, attrib_list, nelements);
-}
-
-
-static GLXPixmap
-Fake_glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap)
-{
- XMesaVisual xmvis = (XMesaVisual) config;
- XMesaBuffer xmbuf = XMesaCreatePixmapBuffer(xmvis, pixmap, 0);
- return xmbuf->drawable; /* need to return an X ID */
-}
-
-
-static GLXContext
-Fake_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct)
-{
- XMesaVisual xmvis = (XMesaVisual) config;
- struct fake_glx_context *glxCtx;
- struct fake_glx_context *shareCtx = (struct fake_glx_context *) share_list;
-
- glxCtx = CALLOC_STRUCT(fake_glx_context);
- if (!glxCtx)
- return 0;
-
- /* deallocate unused windows/buffers */
- XMesaGarbageCollect();
-
- glxCtx->xmesaContext = XMesaCreateContext(xmvis,
- shareCtx ? shareCtx->xmesaContext : NULL);
- if (!glxCtx->xmesaContext) {
- _mesa_free(glxCtx);
- return NULL;
- }
-
- glxCtx->glxContext.isDirect = GL_FALSE;
- glxCtx->glxContext.currentDpy = dpy;
- glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
-
- assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
-
- return (GLXContext) glxCtx;
-}
-
-
-static XVisualInfo *
-Fake_glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config)
-{
- return Fake_glXGetVisualFromFBConfig(dpy, config);
-}
-
-
-static GLXFBConfigSGIX
-Fake_glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis)
-{
- XMesaVisual xmvis = find_glx_visual(dpy, vis);
- if (!xmvis) {
- /* This visual wasn't found with glXChooseVisual() */
- xmvis = create_glx_visual(dpy, vis);
- }
-
- return (GLXFBConfigSGIX) xmvis;
-}
-
-
-
-/*** GLX_SGIX_pbuffer ***/
-
-static GLXPbufferSGIX
-Fake_glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config,
- unsigned int width, unsigned int height,
- int *attribList)
-{
- XMesaVisual xmvis = (XMesaVisual) config;
- XMesaBuffer xmbuf;
- const int *attrib;
- GLboolean useLargest = GL_FALSE, preserveContents = GL_FALSE;
-
- (void) dpy;
-
- for (attrib = attribList; attrib && *attrib; attrib++) {
- switch (*attrib) {
- case GLX_PRESERVED_CONTENTS_SGIX:
- attrib++;
- preserveContents = *attrib; /* ignored */
- break;
- case GLX_LARGEST_PBUFFER_SGIX:
- attrib++;
- useLargest = *attrib; /* ignored */
- break;
- default:
- return 0;
- }
- }
-
- /* not used at this time */
- (void) useLargest;
- (void) preserveContents;
-
- xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
- /* A GLXPbuffer handle must be an X Drawable because that's what
- * glXMakeCurrent takes.
- */
- return (GLXPbuffer) xmbuf->drawable;
-}
-
-
-static void
-Fake_glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf)
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf);
- if (xmbuf) {
- XMesaDestroyBuffer(xmbuf);
- }
-}
-
-
-static int
-Fake_glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value)
-{
- const XMesaBuffer xmbuf = XMesaFindBuffer(dpy, pbuf);
-
- if (!xmbuf) {
- /* Generate GLXBadPbufferSGIX for bad pbuffer */
- return 0;
- }
-
- switch (attribute) {
- case GLX_PRESERVED_CONTENTS_SGIX:
- *value = True;
- break;
- case GLX_LARGEST_PBUFFER_SGIX:
- *value = xmesa_buffer_width(xmbuf) * xmesa_buffer_height(xmbuf);
- break;
- case GLX_WIDTH_SGIX:
- *value = xmesa_buffer_width(xmbuf);
- break;
- case GLX_HEIGHT_SGIX:
- *value = xmesa_buffer_height(xmbuf);
- break;
- case GLX_EVENT_MASK_SGIX:
- *value = 0; /* XXX might be wrong */
- break;
- default:
- *value = 0;
- }
- return 0;
-}
-
-
-static void
-Fake_glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask)
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
- if (xmbuf) {
- /* Note: we'll never generate clobber events */
- xmbuf->selectedEvents = mask;
- }
-}
-
-
-static void
-Fake_glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask)
-{
- XMesaBuffer xmbuf = XMesaFindBuffer(dpy, drawable);
- if (xmbuf) {
- *mask = xmbuf->selectedEvents;
- }
- else {
- *mask = 0;
- }
-}
-
-
-
-/*** GLX_SGI_cushion ***/
-
-static void
-Fake_glXCushionSGI(Display *dpy, Window win, float cushion)
-{
- (void) dpy;
- (void) win;
- (void) cushion;
-}
-
-
-
-/*** GLX_SGIX_video_resize ***/
-
-static int
-Fake_glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window)
-{
- (void) dpy;
- (void) screen;
- (void) channel;
- (void) window;
- return 0;
-}
-
-static int
-Fake_glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h)
-{
- (void) dpy;
- (void) screen;
- (void) channel;
- (void) x;
- (void) y;
- (void) w;
- (void) h;
- return 0;
-}
-
-static int
-Fake_glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h)
-{
- (void) dpy;
- (void) screen;
- (void) channel;
- (void) x;
- (void) y;
- (void) w;
- (void) h;
- return 0;
-}
-
-static int
-Fake_glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh)
-{
- (void) dpy;
- (void) screen;
- (void) channel;
- (void) dx;
- (void) dy;
- (void) dw;
- (void) dh;
- return 0;
-}
-
-static int
-Fake_glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype)
-{
- (void) dpy;
- (void) screen;
- (void) channel;
- (void) synctype;
- return 0;
-}
-
-
-
-/*** GLX_SGIX_dmbuffer **/
-
-#if defined(_DM_BUFFER_H_)
-static Bool
-Fake_glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer)
-{
- (void) dpy;
- (void) pbuffer;
- (void) params;
- (void) dmbuffer;
- return False;
-}
-#endif
-
-
-/*** GLX_SGIX_swap_group ***/
-
-static void
-Fake_glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member)
-{
- (void) dpy;
- (void) drawable;
- (void) member;
-}
-
-
-
-/*** GLX_SGIX_swap_barrier ***/
-
-static void
-Fake_glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)
-{
- (void) dpy;
- (void) drawable;
- (void) barrier;
-}
-
-static Bool
-Fake_glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max)
-{
- (void) dpy;
- (void) screen;
- (void) max;
- return False;
-}
-
-
-
-/*** GLX_SUN_get_transparent_index ***/
-
-static Status
-Fake_glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent)
-{
- (void) dpy;
- (void) overlay;
- (void) underlay;
- (void) pTransparent;
- return 0;
-}
-
-
-
-/*** GLX_MESA_release_buffers ***/
-
-/*
- * Release the depth, stencil, accum buffers attached to a GLXDrawable
- * (a window or pixmap) prior to destroying the GLXDrawable.
- */
-static Bool
-Fake_glXReleaseBuffersMESA( Display *dpy, GLXDrawable d )
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, d);
- if (b) {
- XMesaDestroyBuffer(b);
- return True;
- }
- return False;
-}
-
-
-
-/*** GLX_MESA_set_3dfx_mode ***/
-
-static Bool
-Fake_glXSet3DfxModeMESA( int mode )
-{
- return XMesaSetFXmode( mode );
-}
-
-
-
-/*** GLX_NV_vertex_array range ***/
-static void *
-Fake_glXAllocateMemoryNV( GLsizei size,
- GLfloat readFrequency,
- GLfloat writeFrequency,
- GLfloat priority )
-{
- (void) size;
- (void) readFrequency;
- (void) writeFrequency;
- (void) priority;
- return NULL;
-}
-
-
-static void
-Fake_glXFreeMemoryNV( GLvoid *pointer )
-{
- (void) pointer;
-}
-
-
-/*** GLX_MESA_agp_offset ***/
-
-static GLuint
-Fake_glXGetAGPOffsetMESA( const GLvoid *pointer )
-{
- (void) pointer;
- return ~0;
-}
-
-
-/*** GLX_EXT_texture_from_pixmap ***/
-
-static void
-Fake_glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer,
- const int *attrib_list)
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
- if (b)
- XMesaBindTexImage(dpy, b, buffer, attrib_list);
-}
-
-static void
-Fake_glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer)
-{
- XMesaBuffer b = XMesaFindBuffer(dpy, drawable);
- if (b)
- XMesaReleaseTexImage(dpy, b, buffer);
-}
-
-
-/* silence warning */
-extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
-
-
-/**
- * Create a new GLX API dispatch table with its function pointers
- * initialized to point to Mesa's "fake" GLX API functions.
- * Note: there's a similar function (_real_GetGLXDispatchTable) that
- * returns a new dispatch table with all pointers initalized to point
- * to "real" GLX functions (which understand GLX wire protocol, etc).
- */
-struct _glxapi_table *
-_mesa_GetGLXDispatchTable(void)
-{
- static struct _glxapi_table glx;
-
- /* be sure our dispatch table size <= libGL's table */
- {
- GLuint size = sizeof(struct _glxapi_table) / sizeof(void *);
- (void) size;
- assert(_glxapi_get_dispatch_table_size() >= size);
- }
-
- /* initialize the whole table to no-ops */
- _glxapi_set_no_op_table(&glx);
-
- /* now initialize the table with the functions I implement */
- glx.ChooseVisual = Fake_glXChooseVisual;
- glx.CopyContext = Fake_glXCopyContext;
- glx.CreateContext = Fake_glXCreateContext;
- glx.CreateGLXPixmap = Fake_glXCreateGLXPixmap;
- glx.DestroyContext = Fake_glXDestroyContext;
- glx.DestroyGLXPixmap = Fake_glXDestroyGLXPixmap;
- glx.GetConfig = Fake_glXGetConfig;
- /*glx.GetCurrentContext = Fake_glXGetCurrentContext;*/
- /*glx.GetCurrentDrawable = Fake_glXGetCurrentDrawable;*/
- glx.IsDirect = Fake_glXIsDirect;
- glx.MakeCurrent = Fake_glXMakeCurrent;
- glx.QueryExtension = Fake_glXQueryExtension;
- glx.QueryVersion = Fake_glXQueryVersion;
- glx.SwapBuffers = Fake_glXSwapBuffers;
- glx.UseXFont = Fake_glXUseXFont;
- glx.WaitGL = Fake_glXWaitGL;
- glx.WaitX = Fake_glXWaitX;
-
- /*** GLX_VERSION_1_1 ***/
- glx.GetClientString = Fake_glXGetClientString;
- glx.QueryExtensionsString = Fake_glXQueryExtensionsString;
- glx.QueryServerString = Fake_glXQueryServerString;
-
- /*** GLX_VERSION_1_2 ***/
- /*glx.GetCurrentDisplay = Fake_glXGetCurrentDisplay;*/
-
- /*** GLX_VERSION_1_3 ***/
- glx.ChooseFBConfig = Fake_glXChooseFBConfig;
- glx.CreateNewContext = Fake_glXCreateNewContext;
- glx.CreatePbuffer = Fake_glXCreatePbuffer;
- glx.CreatePixmap = Fake_glXCreatePixmap;
- glx.CreateWindow = Fake_glXCreateWindow;
- glx.DestroyPbuffer = Fake_glXDestroyPbuffer;
- glx.DestroyPixmap = Fake_glXDestroyPixmap;
- glx.DestroyWindow = Fake_glXDestroyWindow;
- /*glx.GetCurrentReadDrawable = Fake_glXGetCurrentReadDrawable;*/
- glx.GetFBConfigAttrib = Fake_glXGetFBConfigAttrib;
- glx.GetFBConfigs = Fake_glXGetFBConfigs;
- glx.GetSelectedEvent = Fake_glXGetSelectedEvent;
- glx.GetVisualFromFBConfig = Fake_glXGetVisualFromFBConfig;
- glx.MakeContextCurrent = Fake_glXMakeContextCurrent;
- glx.QueryContext = Fake_glXQueryContext;
- glx.QueryDrawable = Fake_glXQueryDrawable;
- glx.SelectEvent = Fake_glXSelectEvent;
-
- /*** GLX_SGI_swap_control ***/
- glx.SwapIntervalSGI = Fake_glXSwapIntervalSGI;
-
- /*** GLX_SGI_video_sync ***/
- glx.GetVideoSyncSGI = Fake_glXGetVideoSyncSGI;
- glx.WaitVideoSyncSGI = Fake_glXWaitVideoSyncSGI;
-
- /*** GLX_SGI_make_current_read ***/
- glx.MakeCurrentReadSGI = Fake_glXMakeCurrentReadSGI;
- /*glx.GetCurrentReadDrawableSGI = Fake_glXGetCurrentReadDrawableSGI;*/
-
-/*** GLX_SGIX_video_source ***/
-#if defined(_VL_H)
- glx.CreateGLXVideoSourceSGIX = Fake_glXCreateGLXVideoSourceSGIX;
- glx.DestroyGLXVideoSourceSGIX = Fake_glXDestroyGLXVideoSourceSGIX;
-#endif
-
- /*** GLX_EXT_import_context ***/
- glx.FreeContextEXT = Fake_glXFreeContextEXT;
- glx.GetContextIDEXT = Fake_glXGetContextIDEXT;
- /*glx.GetCurrentDisplayEXT = Fake_glXGetCurrentDisplayEXT;*/
- glx.ImportContextEXT = Fake_glXImportContextEXT;
- glx.QueryContextInfoEXT = Fake_glXQueryContextInfoEXT;
-
- /*** GLX_SGIX_fbconfig ***/
- glx.GetFBConfigAttribSGIX = Fake_glXGetFBConfigAttribSGIX;
- glx.ChooseFBConfigSGIX = Fake_glXChooseFBConfigSGIX;
- glx.CreateGLXPixmapWithConfigSGIX = Fake_glXCreateGLXPixmapWithConfigSGIX;
- glx.CreateContextWithConfigSGIX = Fake_glXCreateContextWithConfigSGIX;
- glx.GetVisualFromFBConfigSGIX = Fake_glXGetVisualFromFBConfigSGIX;
- glx.GetFBConfigFromVisualSGIX = Fake_glXGetFBConfigFromVisualSGIX;
-
- /*** GLX_SGIX_pbuffer ***/
- glx.CreateGLXPbufferSGIX = Fake_glXCreateGLXPbufferSGIX;
- glx.DestroyGLXPbufferSGIX = Fake_glXDestroyGLXPbufferSGIX;
- glx.QueryGLXPbufferSGIX = Fake_glXQueryGLXPbufferSGIX;
- glx.SelectEventSGIX = Fake_glXSelectEventSGIX;
- glx.GetSelectedEventSGIX = Fake_glXGetSelectedEventSGIX;
-
- /*** GLX_SGI_cushion ***/
- glx.CushionSGI = Fake_glXCushionSGI;
-
- /*** GLX_SGIX_video_resize ***/
- glx.BindChannelToWindowSGIX = Fake_glXBindChannelToWindowSGIX;
- glx.ChannelRectSGIX = Fake_glXChannelRectSGIX;
- glx.QueryChannelRectSGIX = Fake_glXQueryChannelRectSGIX;
- glx.QueryChannelDeltasSGIX = Fake_glXQueryChannelDeltasSGIX;
- glx.ChannelRectSyncSGIX = Fake_glXChannelRectSyncSGIX;
-
- /*** GLX_SGIX_dmbuffer **/
-#if defined(_DM_BUFFER_H_)
- glx.AssociateDMPbufferSGIX = NULL;
-#endif
-
- /*** GLX_SGIX_swap_group ***/
- glx.JoinSwapGroupSGIX = Fake_glXJoinSwapGroupSGIX;
-
- /*** GLX_SGIX_swap_barrier ***/
- glx.BindSwapBarrierSGIX = Fake_glXBindSwapBarrierSGIX;
- glx.QueryMaxSwapBarriersSGIX = Fake_glXQueryMaxSwapBarriersSGIX;
-
- /*** GLX_SUN_get_transparent_index ***/
- glx.GetTransparentIndexSUN = Fake_glXGetTransparentIndexSUN;
-
- /*** GLX_MESA_copy_sub_buffer ***/
- glx.CopySubBufferMESA = Fake_glXCopySubBufferMESA;
-
- /*** GLX_MESA_release_buffers ***/
- glx.ReleaseBuffersMESA = Fake_glXReleaseBuffersMESA;
-
- /*** GLX_MESA_pixmap_colormap ***/
- glx.CreateGLXPixmapMESA = Fake_glXCreateGLXPixmapMESA;
-
- /*** GLX_MESA_set_3dfx_mode ***/
- glx.Set3DfxModeMESA = Fake_glXSet3DfxModeMESA;
-
- /*** GLX_NV_vertex_array_range ***/
- glx.AllocateMemoryNV = Fake_glXAllocateMemoryNV;
- glx.FreeMemoryNV = Fake_glXFreeMemoryNV;
-
- /*** GLX_MESA_agp_offset ***/
- glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
-
- /*** GLX_EXT_texture_from_pixmap ***/
- glx.BindTexImageEXT = Fake_glXBindTexImageEXT;
- glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT;
-
- return &glx;
-}