-/* $Id: fakeglx.c,v 1.29 2000/03/31 01:17:52 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.3
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 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
*
* Thanks to the contributors:
*
- * Initial version: Philip Brown (philb@CSUA.Berkeley.EDU)
+ * 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).
#include "context.h"
#include "config.h"
#include "macros.h"
-#include "types.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "version.h"
+#include "xfonts.h"
#include "xmesaP.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 2
+#define CLIENT_MINOR_VERSION 4 /* but don't have 1.3's pbuffers, etc yet */
/* This indicates the server-side GLX decoder version.
- * GLX 1.3 indicates OpenGL 1.2 support
+ * GLX 1.4 indicates OpenGL 1.3 support
*/
#define SERVER_MAJOR_VERSION 1
-#define SERVER_MINOR_VERSION 3
+#define SERVER_MINOR_VERSION 4
/* This is appended onto the glXGetClient/ServerString version strings. */
-#define MESA_GLX_VERSION "Mesa 3.3"
+#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_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;
+};
-/* Silence compiler warnings */
-extern void Fake_glXDummyFunc( void );
-void Fake_glXDummyFunc( void )
-{
- (void) kernel8;
- (void) DitherValues;
- (void) HPCR_DRGB;
- (void) kernel1;
-}
+/**********************************************************************/
+/*** GLX Visual Code ***/
+/**********************************************************************/
#define DONT_CARE -1
-
-#define MAX_VISUALS 100
-static XMesaVisual VisualTable[MAX_VISUALS];
+static XMesaVisual *VisualTable = NULL;
static int NumVisuals = 0;
-
/*
* This struct and some code fragments borrowed
* from Mark Kilgard's GLUT library.
-
/*
* Test if the given XVisualInfo is usable for Mesa rendering.
*/
-static GLboolean is_usable_visual( XVisualInfo *vinfo )
+static GLboolean
+is_usable_visual( XVisualInfo *vinfo )
{
switch (vinfo->CLASS) {
case StaticGray:
-/*
- * 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
+/**
+ * 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 int level_of_visual( Display *dpy, XVisualInfo *vinfo )
+static OverlayInfo *
+GetOverlayInfo(Display *dpy, int screen, int *numOverlays)
{
Atom overlayVisualsAtom;
- OverlayInfo *overlay_info = NULL;
- int numOverlaysPerScreen;
- Status status;
Atom actualType;
- int actualFormat;
+ Status status;
+ unsigned char *ovInfo;
unsigned long sizeData, bytesLeft;
- int i;
+ int actualFormat;
/*
* The SERVER_OVERLAY_VISUALS property on the root window contains
return 0;
}
- status = XGetWindowProperty(dpy, RootWindow( dpy, vinfo->screen ),
+ status = XGetWindowProperty(dpy, RootWindow(dpy, screen),
overlayVisualsAtom, 0L, (long) 10000, False,
overlayVisualsAtom, &actualType, &actualFormat,
&sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
+ &ovInfo);
if (status != Success || actualType != overlayVisualsAtom ||
actualFormat != 32 || sizeData < 4) {
/* something went wrong */
- XFree((void *) overlay_info);
+ 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 */
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
- OverlayInfo *ov;
- ov = overlay_info + i;
- if (ov->overlay_visual==vinfo->visualid) {
+ 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;
GLint depth_size, GLint stencil_size,
GLint accumRedSize, GLint accumGreenSize,
GLint accumBlueSize, GLint accumAlphaSize,
- GLint level )
+ GLint level, GLint numAuxBuffers )
{
GLboolean ximageFlag = GL_TRUE;
XMesaVisual xmvis;
if (dbFlag) {
/* Check if the MESA_BACK_BUFFER env var is set */
- char *backbuffer = getenv("MESA_BACK_BUFFER");
+ char *backbuffer = _mesa_getenv("MESA_BACK_BUFFER");
if (backbuffer) {
if (backbuffer[0]=='p' || backbuffer[0]=='P') {
ximageFlag = GL_FALSE;
ximageFlag = GL_TRUE;
}
else {
- fprintf(stderr, "Mesa: invalid value for MESA_BACK_BUFFER ");
- fprintf(stderr, "environment variable, using an XImage.\n");
+ _mesa_warning(NULL, "Mesa: invalid value for MESA_BACK_BUFFER environment variable, using an XImage.");
}
}
}
/* Comparing IDs uses less memory but sometimes fails. */
/* XXX revisit this after 3.0 is finished. */
- if (getenv("MESA_GLX_VISUAL_HACK"))
+ 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->level == level
+ && v->mesa_visual.level == level
+ && v->mesa_visual.numAuxBuffers == numAuxBuffers
&& v->ximage_flag == ximageFlag
- && v->gl_visual->RGBAflag == rgbFlag
- && v->gl_visual->DBflag == dbFlag
- && v->gl_visual->StereoFlag == stereoFlag
- && (v->gl_visual->AlphaBits > 0) == alphaFlag
- && (v->gl_visual->DepthBits >= depth_size || depth_size == 0)
- && (v->gl_visual->StencilBits >= stencil_size || stencil_size == 0)
- && (v->gl_visual->AccumRedBits >= accumRedSize || accumRedSize == 0)
- && (v->gl_visual->AccumGreenBits >= accumGreenSize || accumGreenSize == 0)
- && (v->gl_visual->AccumBlueBits >= accumBlueSize || accumBlueSize == 0)
- && (v->gl_visual->AccumAlphaBits >= accumAlphaSize || accumAlphaSize == 0)) {
+ && 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)) {
/* Create a new visual and add it to the list. */
- if (NumVisuals>=MAX_VISUALS) {
- fprintf( stderr, "GLX Error: maximum number of visuals exceeded\n");
- return NULL;
- }
-
- xmvis = XMesaCreateVisual2( dpy, vinfo, rgbFlag, alphaFlag, dbFlag,
- stereoFlag, ximageFlag,
- depth_size, stencil_size,
- accumRedSize, accumBlueSize,
- accumBlueSize, accumAlphaSize, 0, level,
- GLX_NONE_EXT );
+ 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.
create_glx_visual( Display *dpy, XVisualInfo *visinfo )
{
int vislevel;
+ GLint zBits = default_depth_bits();
+ GLint accBits = default_accum_bits();
+ GLboolean alphaFlag = default_alpha_bits() > 0;
vislevel = level_of_visual( dpy, visinfo );
if (vislevel) {
0, /* depth bits */
0, /* stencil bits */
0,0,0,0, /* accum bits */
- vislevel /* level */
+ vislevel, /* level */
+ 0 /* numAux */
);
}
else if (is_usable_visual( visinfo )) {
- /* 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 */
- GL_FALSE, /* alpha */
- GL_TRUE, /* double */
- GL_FALSE, /* stereo */
- DEFAULT_SOFTWARE_DEPTH_BITS,
- 8 * sizeof(GLstencil),
- 8 * sizeof(GLaccum), /* r */
- 8 * sizeof(GLaccum), /* g */
- 8 * sizeof(GLaccum), /* b */
- 8 * sizeof(GLaccum), /* a */
- 0 /* level */
- );
+ 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 {
- fprintf(stderr,"Mesa: error in glXCreateContext: bad visual\n");
+ _mesa_warning(NULL, "Mesa: error in glXCreateContext: bad visual\n");
return NULL;
}
}
{
int i;
- /* First try to match pointers */
+ /* try to match visual id */
for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy && VisualTable[i]->vishandle==vinfo) {
+ if (VisualTable[i]->display==dpy
+ && VisualTable[i]->visinfo->visualid == vinfo->visualid) {
return VisualTable[i];
}
}
- /* try to match visual id */
+
+ /* if that fails, try to match pointers */
for (i=0;i<NumVisuals;i++) {
- if (VisualTable[i]->display==dpy
- && VisualTable[i]->visinfo->visualid == vinfo->visualid) {
+ 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 )
+static int
+transparent_pixel( XMesaVisual glxvis )
{
Display *dpy = glxvis->display;
XVisualInfo *vinfo = glxvis->visinfo;
- Atom overlayVisualsAtom;
- OverlayInfo *overlay_info = NULL;
- int numOverlaysPerScreen;
- Status status;
- Atom actualType;
- int actualFormat;
- unsigned long sizeData, bytesLeft;
- int i;
-
- /*
- * 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 -1;
- }
-
- status = XGetWindowProperty(dpy, RootWindow( dpy, vinfo->screen ),
- overlayVisualsAtom, 0L, (long) 10000, False,
- overlayVisualsAtom, &actualType, &actualFormat,
- &sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
+ OverlayInfo *overlay_info;
+ int numOverlaysPerScreen, i;
- if (status != Success || actualType != overlayVisualsAtom ||
- actualFormat != 32 || sizeData < 4) {
- /* something went wrong */
- XFree((void *) overlay_info);
+ overlay_info = GetOverlayInfo(dpy, vinfo->screen, &numOverlaysPerScreen);
+ if (!overlay_info) {
return -1;
}
- /* search the overlay visual list for the visual ID of interest */
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
- OverlayInfo *ov;
- ov = overlay_info + i;
- if (ov->overlay_visual==vinfo->visualid) {
+ 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) {
+ if (ov->transparent_type == 0) {
/* type 0 indicates no transparency */
XFree((void *) overlay_info);
return -1;
-/*
- * Return number of bits set in n.
- */
-static int bitcount( unsigned long n )
-{
- int bits;
- for (bits=0; n>0; n=n>>1) {
- if (n&1) {
- bits++;
- }
- }
- return bits;
-}
-
-
-/*
+/**
* Try to get an X visual which matches the given arguments.
*/
-static XVisualInfo *get_visual( Display *dpy, int scr,
- unsigned int depth, int xclass )
+static XVisualInfo *
+get_visual( Display *dpy, int scr, unsigned int depth, int xclass )
{
XVisualInfo temp, *vis;
long mask;
* 10 bits per color channel. Mesa's limited to a max of 8 bits/channel.
*/
if (vis && depth > 24 && (xclass==TrueColor || xclass==DirectColor)) {
- if (bitcount(vis->red_mask) <= 8
- && bitcount(vis->green_mask) <= 8
- && bitcount(vis->blue_mask) <= 8) {
+ 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 {
* 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)
+static XVisualInfo *
+get_env_visual(Display *dpy, int scr, const char *varname)
{
char value[100], type[100];
int depth, xclass = -1;
XVisualInfo *vis;
- if (!getenv( varname )) {
+ if (!_mesa_getenv( varname )) {
return NULL;
}
- strncpy( value, getenv(varname), 100 );
+ _mesa_strncpy( value, _mesa_getenv(varname), 100 );
value[99] = 0;
sscanf( value, "%s %d", type, &depth );
- if (strcmp(type,"TrueColor")==0) xclass = TrueColor;
- else if (strcmp(type,"DirectColor")==0) xclass = DirectColor;
- else if (strcmp(type,"PseudoColor")==0) xclass = PseudoColor;
- else if (strcmp(type,"StaticColor")==0) xclass = StaticColor;
- else if (strcmp(type,"GrayScale")==0) xclass = GrayScale;
- else if (strcmp(type,"StaticGray")==0) xclass = StaticGray;
+ 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 );
}
}
- fprintf( stderr, "Mesa: GLX unable to find visual class=%s, depth=%d.\n",
- type, depth );
+ _mesa_warning(NULL, "GLX unable to find visual class=%s, depth=%d.",
+ type, depth);
+
return NULL;
}
* 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 )
+static XVisualInfo *
+choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth,
+ int preferred_class )
{
XVisualInfo *vis;
- int xclass, visclass;
+ int xclass, visclass = 0;
int depth;
if (rgba) {
* 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 )
+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 )
{
- Atom overlayVisualsAtom;
OverlayInfo *overlay_info;
int numOverlaysPerScreen;
- Status status;
- Atom actualType;
- int actualFormat;
- unsigned long sizeData, bytesLeft;
int i;
XVisualInfo *deepvis;
int deepest;
default: preferred_class = DONT_CARE;
}
- /*
- * 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 == (Atom) None) {
- return NULL;
- }
-
- status = XGetWindowProperty(dpy, RootWindow( dpy, scr ),
- overlayVisualsAtom, 0L, (long) 10000, False,
- overlayVisualsAtom, &actualType, &actualFormat,
- &sizeData, &bytesLeft,
- (unsigned char **) &overlay_info );
-
- if (status != Success || actualType != overlayVisualsAtom ||
- actualFormat != 32 || sizeData < 4) {
- /* something went wrong */
+ overlay_info = GetOverlayInfo(dpy, scr, &numOverlaysPerScreen);
+ if (!overlay_info) {
return NULL;
}
deepest = min_depth;
deepvis = NULL;
- numOverlaysPerScreen = (int) (sizeData / 4);
- for (i=0;i<numOverlaysPerScreen;i++) {
+ for (i = 0; i < numOverlaysPerScreen; i++) {
+ const OverlayInfo *ov = overlay_info + i;
XVisualInfo *vislist, vistemplate;
int count;
- OverlayInfo *ov;
- ov = overlay_info + i;
if (ov->layer!=level) {
/* failed overlay level criteria */
}
+/**********************************************************************/
+/*** Display-related functions ***/
+/**********************************************************************/
-static XVisualInfo *
-Fake_glXChooseVisual( Display *dpy, int screen, int *list )
+
+/**
+ * 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)
{
- int *parselist;
+ 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 = GL_FALSE;
+ GLboolean rgb_flag = rgbModeDefault;
GLboolean alpha_flag = GL_FALSE;
GLboolean double_flag = GL_FALSE;
GLboolean stereo_flag = GL_FALSE;
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;
switch (*parselist) {
case GLX_USE_GL:
- /* ignore */
- parselist++;
+ if (fbConfig) {
+ /* invalid token */
+ return NULL;
+ }
+ else {
+ /* skip */
+ parselist++;
+ }
break;
case GLX_BUFFER_SIZE:
parselist++;
level = *parselist++;
break;
case GLX_RGBA:
- rgb_flag = GL_TRUE;
- parselist++;
+ if (fbConfig) {
+ /* invalid token */
+ return NULL;
+ }
+ else {
+ rgb_flag = GL_TRUE;
+ parselist++;
+ }
break;
case GLX_DOUBLEBUFFER:
- double_flag = GL_TRUE;
- parselist++;
+ parselist++;
+ if (fbConfig) {
+ double_flag = *parselist++;
+ }
+ else {
+ double_flag = GL_TRUE;
+ }
break;
case GLX_STEREO:
- stereo_flag = GL_TRUE;
- return NULL;
+ parselist++;
+ if (fbConfig) {
+ stereo_flag = *parselist++;
+ }
+ else {
+ stereo_flag = GL_TRUE;
+ }
+ return NULL; /* stereo not supported */
case GLX_AUX_BUFFERS:
- /* ignore */
- parselist++;
parselist++;
+ numAux = *parselist++;
+ if (numAux > MAX_AUX_BUFFERS)
+ return NULL;
break;
case GLX_RED_SIZE:
parselist++;
parselist++;
{
GLint size = *parselist++;
- alpha_flag = size>0 ? 1 : 0;
+ alpha_flag = size ? GL_TRUE : GL_FALSE;
}
break;
case GLX_DEPTH_SIZE:
parselist++;
parselist++;
break;
-
+
/*
* GLX_EXT_visual_info extension
*/
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;
+
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
* double buffering, depth buffer, etc. will be associated with the X
* visual and stored in the VisualTable[].
*/
- if (level==0) {
+ 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 = default_depth_bits();
+ stencil_size = STENCIL_BITS;
+ /* XXX accum??? */
+ }
+ }
+ else if (level==0) {
/* normal color planes */
if (rgb_flag) {
/* Get an RGB visual */
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. However, we
+ * largest depth buffer size, which is 32bits/value. Instead, we
* return 16 to maintain performance with earlier versions of Mesa.
*/
- if (depth_size == 1)
- depth_size = DEFAULT_SOFTWARE_DEPTH_BITS;
- else if (depth_size > 24)
- depth_size = 31;
+ 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)
- accumRedSize = ACCUM_BITS;
- if (accumGreenSize > 0)
- accumGreenSize = ACCUM_BITS;
- if (accumBlueSize > 0)
- accumBlueSize = ACCUM_BITS;
- if (accumAlphaSize > 0)
- accumAlphaSize = ACCUM_BITS;
- if (!save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag,
- stereo_flag, depth_size, stencil_size,
- accumRedSize, accumGreenSize,
- accumBlueSize, accumAlphaSize,
- level ))
- return NULL;
+ 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 vis;
+ 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 glxvis;
- XMesaContext xmctx;
+ 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
- glxvis = find_glx_visual( dpy, visinfo );
- if (!glxvis) {
+ xmvis = find_glx_visual( dpy, visinfo );
+ if (!xmvis) {
/* This visual wasn't found with glXChooseVisual() */
- glxvis = create_glx_visual( dpy, visinfo );
- if (!glxvis) {
+ xmvis = create_glx_visual( dpy, visinfo );
+ if (!xmvis) {
/* unusable visual */
+ _mesa_free(glxCtx);
return NULL;
}
}
- xmctx = XMesaCreateContext( glxvis, (XMesaContext) share_list );
- if (xmctx) {
- /* set the direct/indirect flag */
- xmctx->direct = direct;
+ glxCtx->xmesaContext = XMesaCreateContext(xmvis,
+ shareCtx ? shareCtx->xmesaContext : NULL);
+ if (!glxCtx->xmesaContext) {
+ _mesa_free(glxCtx);
+ return NULL;
}
- return (GLXContext) xmctx;
+
+ glxCtx->xmesaContext->direct = GL_FALSE;
+ 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 = (XMesaContext) ctx;
+ XMesaContext xmctx = glxCtx->xmesaContext;
/* Find the XMesaBuffer which corresponds to the GLXDrawable 'draw' */
if (ctx == MakeCurrent_PrevContext
}
if (!drawBuffer) {
/* drawable must be a new window! */
- drawBuffer = XMesaCreateWindowBuffer2( xmctx->xm_visual, draw, ctx );
+ drawBuffer = XMesaCreateWindowBuffer2( xmctx->xm_visual, draw, xmctx);
if (!drawBuffer) {
/* Out of memory, or context/drawable depth mismatch */
return False;
}
if (!readBuffer) {
/* drawable must be a new window! */
- readBuffer = XMesaCreateWindowBuffer2( xmctx->xm_visual, read, ctx );
+ readBuffer = XMesaCreateWindowBuffer2(glxCtx->xmesaContext->xm_visual,
+ read, xmctx);
if (!readBuffer) {
/* Out of memory, or context/drawable depth mismatch */
return False;
MakeCurrent_PrevReadBuffer = readBuffer;
/* Now make current! */
- return (Bool) XMesaMakeCurrent2((XMesaContext) ctx, drawBuffer, readBuffer);
+ 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. */
}
-
static Bool
Fake_glXMakeCurrent( Display *dpy, GLXDrawable drawable, GLXContext ctx )
{
}
-
static GLXPixmap
Fake_glXCreateGLXPixmap( Display *dpy, XVisualInfo *visinfo, Pixmap pixmap )
{
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
-#ifdef GLX_MESA_pixmap_colormap
+/*** GLX_MESA_pixmap_colormap ***/
static GLXPixmap
Fake_glXCreateGLXPixmapMESA( Display *dpy, XVisualInfo *visinfo,
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
-#endif
-
static void
Fake_glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap )
if (b) {
XMesaDestroyBuffer(b);
}
- else if (getenv("MESA_DEBUG")) {
- fprintf( stderr, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
+ else if (_mesa_getenv("MESA_DEBUG")) {
+ _mesa_warning(NULL, "Mesa: glXDestroyGLXPixmap: invalid pixmap\n");
}
}
Fake_glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
unsigned long mask )
{
- XMesaContext xm_src = (XMesaContext) src;
- XMesaContext xm_dst = (XMesaContext) dst;
+ 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;
- gl_copy_context( xm_src->gl_ctx, xm_dst->gl_ctx, (GLuint) mask );
+ if (MakeCurrent_PrevContext == src) {
+ _mesa_Flush();
+ }
+ _mesa_copy_context( &(xm_src->mesa), &(xm_dst->mesa), (GLuint) mask );
}
-
static Bool
Fake_glXQueryExtension( Display *dpy, int *errorb, int *event )
{
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( (XMesaContext) ctx );
+ XMesaDestroyContext( glxCtx->xmesaContext );
XMesaGarbageCollect();
+ _mesa_free(glxCtx);
}
-
static Bool
Fake_glXIsDirect( Display *dpy, GLXContext ctx )
{
+ struct fake_glx_context *glxCtx = (struct fake_glx_context *) ctx;
(void) dpy;
- return ((XMesaContext) ctx)->direct;
+ return glxCtx->xmesaContext->direct;
}
if (buffer) {
XMesaSwapBuffers(buffer);
}
- else if (getenv("MESA_DEBUG")) {
- fprintf(stderr, "Mesa Warning: glXSwapBuffers: invalid drawable\n");
+ 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 )
if (buffer) {
XMesaCopySubBuffer(buffer, x, y, width, height);
}
- else if (getenv("MESA_DEBUG")) {
- fprintf(stderr, "Mesa Warning: glXCopySubBufferMESA: invalid drawable\n");
+ else if (_mesa_getenv("MESA_DEBUG")) {
+ _mesa_warning(NULL, "Mesa: glXCopySubBufferMESA: invalid drawable\n");
}
}
-
static Bool
Fake_glXQueryVersion( Display *dpy, int *maj, int *min )
{
}
-
/*
* Query the GLX attributes of the given XVisualInfo.
*/
static int
-Fake_glXGetConfig( Display *dpy, XVisualInfo *visinfo,
- int attrib, int *value )
+get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
{
- XMesaVisual glxvis;
-
- glxvis = find_glx_visual( dpy, visinfo );
- if (!glxvis) {
- /* this visual wasn't obtained with glXChooseVisual */
- glxvis = create_glx_visual( dpy, visinfo );
- if (!glxvis) {
- /* this visual can't be used for GL rendering */
- if (attrib==GLX_USE_GL) {
- *value = (int) False;
- return 0;
- }
- else {
- /*fprintf( stderr, "Mesa: Error in glXGetConfig: bad visual\n");*/
- return GLX_BAD_VISUAL;
- }
- }
- }
-
+ ASSERT(xmvis);
switch(attrib) {
case GLX_USE_GL:
+ if (fbconfig)
+ return GLX_BAD_ATTRIBUTE;
*value = (int) True;
return 0;
case GLX_BUFFER_SIZE:
- *value = visinfo->depth;
+ *value = xmvis->visinfo->depth;
return 0;
case GLX_LEVEL:
- *value = glxvis->level;
+ *value = xmvis->mesa_visual.level;
return 0;
case GLX_RGBA:
- if (glxvis->gl_visual->RGBAflag) {
+ if (fbconfig)
+ return GLX_BAD_ATTRIBUTE;
+ if (xmvis->mesa_visual.rgbMode) {
*value = True;
}
else {
}
return 0;
case GLX_DOUBLEBUFFER:
- *value = (int) glxvis->gl_visual->DBflag;
+ *value = (int) xmvis->mesa_visual.doubleBufferMode;
return 0;
case GLX_STEREO:
- *value = (int) glxvis->gl_visual->StereoFlag;
+ *value = (int) xmvis->mesa_visual.stereoMode;
return 0;
case GLX_AUX_BUFFERS:
- *value = (int) False;
+ *value = xmvis->mesa_visual.numAuxBuffers;
return 0;
case GLX_RED_SIZE:
- *value = glxvis->gl_visual->RedBits;
+ *value = xmvis->mesa_visual.redBits;
return 0;
case GLX_GREEN_SIZE:
- *value = glxvis->gl_visual->GreenBits;
+ *value = xmvis->mesa_visual.greenBits;
return 0;
case GLX_BLUE_SIZE:
- *value = glxvis->gl_visual->BlueBits;
+ *value = xmvis->mesa_visual.blueBits;
return 0;
case GLX_ALPHA_SIZE:
- *value = glxvis->gl_visual->AlphaBits;
+ *value = xmvis->mesa_visual.alphaBits;
return 0;
case GLX_DEPTH_SIZE:
- *value = glxvis->gl_visual->DepthBits;
+ *value = xmvis->mesa_visual.depthBits;
return 0;
case GLX_STENCIL_SIZE:
- *value = glxvis->gl_visual->StencilBits;
+ *value = xmvis->mesa_visual.stencilBits;
return 0;
case GLX_ACCUM_RED_SIZE:
- *value = glxvis->gl_visual->AccumRedBits;
+ *value = xmvis->mesa_visual.accumRedBits;
return 0;
case GLX_ACCUM_GREEN_SIZE:
- *value = glxvis->gl_visual->AccumGreenBits;
+ *value = xmvis->mesa_visual.accumGreenBits;
return 0;
case GLX_ACCUM_BLUE_SIZE:
- *value = glxvis->gl_visual->AccumBlueBits;
+ *value = xmvis->mesa_visual.accumBlueBits;
return 0;
case GLX_ACCUM_ALPHA_SIZE:
- *value = glxvis->gl_visual->AccumAlphaBits;
+ *value = xmvis->mesa_visual.accumAlphaBits;
return 0;
/*
* GLX_EXT_visual_info extension
*/
case GLX_X_VISUAL_TYPE_EXT:
- switch (glxvis->visinfo->CLASS) {
+ 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;
}
return 0;
case GLX_TRANSPARENT_TYPE_EXT:
- if (glxvis->level==0) {
+ if (xmvis->mesa_visual.level==0) {
/* normal planes */
*value = GLX_NONE_EXT;
}
- else if (glxvis->level>0) {
+ else if (xmvis->mesa_visual.level>0) {
/* overlay */
- if (glxvis->gl_visual->RGBAflag) {
+ if (xmvis->mesa_visual.rgbMode) {
*value = GLX_TRANSPARENT_RGB_EXT;
}
else {
*value = GLX_TRANSPARENT_INDEX_EXT;
}
}
- else if (glxvis->level<0) {
+ else if (xmvis->mesa_visual.level<0) {
/* underlay */
*value = GLX_NONE_EXT;
}
return 0;
case GLX_TRANSPARENT_INDEX_VALUE_EXT:
{
- int pixel = transparent_pixel( glxvis );
+ int pixel = transparent_pixel( xmvis );
if (pixel>=0) {
*value = pixel;
}
*/
case GLX_VISUAL_CAVEAT_EXT:
/* test for zero, just in case */
- return (glxvis->VisualCaveat > 0) ? glxvis->VisualCaveat : GLX_NONE_EXT;
+ if (xmvis->mesa_visual.visualRating > 0)
+ *value = xmvis->mesa_visual.visualRating;
+ else
+ *value = GLX_NONE_EXT;
+ return 0;
/*
- * Extensions
+ * 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;
+
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 )
}
-/*
- * Return the extensions string, which is 3Dfx-dependant.
- */
-static const char *get_extensions( void )
+static const char *
+get_extensions( void )
{
#ifdef FX
- const char *fx = getenv("MESA_GLX_FX");
+ const char *fx = _mesa_getenv("MESA_GLX_FX");
if (fx && fx[0] != 'd') {
- return "GLX_MESA_pixmap_colormap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_MESA_release_buffers GLX_MESA_copy_sub_buffer GLX_SGI_video_sync GLX_MESA_set_3dfx_mode GLX_ARB_get_proc_address";
+ return EXTENSIONS;
}
#endif
- return "GLX_MESA_pixmap_colormap GLX_EXT_visual_info GLX_EXT_visual_rating GLX_MESA_release_buffers GLX_MESA_copy_sub_buffer GLX_SGI_video_sync GLX_ARB_get_proc_address";
+ return EXTENSIONS + 23; /* skip "GLX_MESA_set_3dfx_mode" */
}
Fake_glXQueryServerString( Display *dpy, int screen, int name )
{
static char version[1000];
- sprintf(version, "%d.%d %s", SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION,
- MESA_GLX_VERSION);
+ _mesa_sprintf(version, "%d.%d %s",
+ SERVER_MAJOR_VERSION, SERVER_MINOR_VERSION, MESA_GLX_VERSION);
(void) dpy;
(void) screen;
Fake_glXGetClientString( Display *dpy, int name )
{
static char version[1000];
- sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION, CLIENT_MINOR_VERSION,
- MESA_GLX_VERSION);
+ _mesa_sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
+ CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
(void) dpy;
* GLX 1.3 and later
*/
-static GLXFBConfig
-Fake_glXChooseFBConfig( Display *dpy, int screen,
- const int *attribList, int *nitems )
-{
- (void) dpy;
- (void) screen;
- (void) attribList;
- (void) nitems;
- return 0;
-}
-
static int
Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
int attribute, int *value )
{
+ XMesaVisual v = (XMesaVisual) config;
(void) dpy;
(void) config;
- (void) attribute;
- (void) value;
- return 0;
+
+ 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 )
{
- (void) dpy;
- (void) config;
- return 0;
+ 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;
+ }
}
Fake_glXCreateWindow( Display *dpy, GLXFBConfig config, Window win,
const int *attribList )
{
+ XMesaVisual xmvis = (XMesaVisual) config;
+ XMesaBuffer xmbuf;
+ if (!xmvis)
+ return 0;
+
+ xmbuf = XMesaCreateWindowBuffer2(xmvis, win, NULL);
+ if (!xmbuf)
+ return 0;
+
(void) dpy;
- (void) config;
- (void) win;
- (void) attribList;
- return 0;
+ (void) attribList; /* Ignored in GLX 1.3 */
+
+ return win; /* A hack for now */
}
static void
Fake_glXDestroyWindow( Display *dpy, GLXWindow window )
{
- (void) dpy;
- (void) window;
- return;
+ 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;
+
(void) dpy;
(void) config;
(void) pixmap;
- (void) attribList;
- return 0;
+ (void) attribList; /* Ignored in GLX 1.3 */
+
+ if (!dpy || !config || !pixmap)
+ return 0;
+
+ b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
+ if (!b) {
+ return 0;
+ }
+
+ return pixmap;
}
static void
Fake_glXDestroyPixmap( Display *dpy, GLXPixmap pixmap )
{
- (void) dpy;
- (void) pixmap;
- return;
+ XMesaBuffer b = XMesaFindBuffer(dpy, (XMesaDrawable)pixmap);
+ if (b)
+ XMesaDestroyBuffer(b);
+ /* don't destroy X pixmap */
}
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;
- (void) config;
- (void) attribList;
- return 0;
+
+ 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->frontxrb->pixmap;
+ else
+ return 0;
}
static void
Fake_glXDestroyPbuffer( Display *dpy, GLXPbuffer pbuf )
{
- (void) dpy;
- (void) pbuf;
+ XMesaBuffer b = XMesaFindBuffer(dpy, pbuf);
+ if (b) {
+ XMesaDestroyBuffer(b);
+ }
}
Fake_glXQueryDrawable( Display *dpy, GLXDrawable draw, int attribute,
unsigned int *value )
{
- (void) dpy;
- (void) draw;
- (void) attribute;
- (void) value;
+ XMesaBuffer xmbuf = XMesaFindBuffer(dpy, draw);
+ if (!xmbuf)
+ return;
+
+ switch (attribute) {
+ case GLX_WIDTH:
+ *value = xmbuf->mesa_buffer.Width;
+ break;
+ case GLX_HEIGHT:
+ *value = xmbuf->mesa_buffer.Height;
+ break;
+ case GLX_PRESERVED_CONTENTS:
+ *value = True;
+ break;
+ case GLX_LARGEST_PBUFFER:
+ *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ break;
+ case GLX_FBCONFIG_ID:
+ *value = xmbuf->xm_visual->visinfo->visualid;
+ return;
+ default:
+ return; /* GLX_BAD_ATTRIBUTE? */
+ }
}
Fake_glXCreateNewContext( Display *dpy, GLXFBConfig config,
int renderType, GLXContext shareList, Bool direct )
{
- (void) dpy;
- (void) config;
- (void) renderType;
- (void) shareList;
- (void) direct;
- return 0;
+ 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->xmesaContext->direct = GL_FALSE;
+ 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->frontxrb->pixmap; /* 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->xmesaContext->direct = GL_FALSE;
+ 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->frontxrb->pixmap;
+}
+
+
+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 = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ break;
+ case GLX_WIDTH_SGIX:
+ *value = xmbuf->mesa_buffer.Width;
+ break;
+ case GLX_HEIGHT_SGIX:
+ *value = xmbuf->mesa_buffer.Height;
+ break;
+ case GLX_EVENT_MASK_SGIX:
+ *value = 0; /* XXX might be wrong */
+ break;
+ default:
+ *value = 0;
+ }
+ return 0;
+}
+
+
static void
-Fake_glXSelectEvent( Display *dpy, GLXDrawable drawable, unsigned long mask )
+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) mask;
+ (void) member;
}
+
+/*** GLX_SGIX_swap_barrier ***/
+
static void
-Fake_glXGetSelectedEvent( Display *dpy, GLXDrawable drawable,
- unsigned long *mask )
+Fake_glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier)
{
(void) dpy;
(void) drawable;
- (void) mask;
+ (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.
}
-/*
- * GLX_MESA_set_3dfx_mode
- */
-static GLboolean
-Fake_glXSet3DfxModeMESA( GLint mode )
+
+/*** GLX_MESA_set_3dfx_mode ***/
+
+static Bool
+Fake_glXSet3DfxModeMESA( int mode )
{
return XMesaSetFXmode( mode );
}
-/*
- * GLX_SGI_video_sync
- */
-
-#ifdef GLX_SGI_video_sync
-static int
-Fake_glXGetVideoSyncSGI(unsigned int *count)
+/*** GLX_NV_vertex_array range ***/
+static void *
+Fake_glXAllocateMemoryNV( GLsizei size,
+ GLfloat readFrequency,
+ GLfloat writeFrequency,
+ GLfloat priority )
{
- return 0;
+ (void) size;
+ (void) readFrequency;
+ (void) writeFrequency;
+ (void) priority;
+ return NULL;
}
-static int
-Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
+static void
+Fake_glXFreeMemoryNV( GLvoid *pointer )
{
- return 0;
+ (void) pointer;
}
-#endif
-
+/*** GLX_MESA_agp_offset ***/
-extern void Fake_glXUseXFont( Font font, int first, int count, int listbase );
+static GLuint
+Fake_glXGetAGPOffsetMESA( const GLvoid *pointer )
+{
+ (void) pointer;
+ return ~0;
+}
+/* silence warning */
extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void);
-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 */
{
- int size = sizeof(struct _glxapi_table) / sizeof(void *);
+ GLuint size = sizeof(struct _glxapi_table) / sizeof(void *);
(void) size;
assert(_glxapi_get_dispatch_table_size() >= size);
}
glx.WaitGL = Fake_glXWaitGL;
glx.WaitX = Fake_glXWaitX;
-#ifdef _GLXAPI_VERSION_1_1
+ /*** GLX_VERSION_1_1 ***/
glx.GetClientString = Fake_glXGetClientString;
glx.QueryExtensionsString = Fake_glXQueryExtensionsString;
glx.QueryServerString = Fake_glXQueryServerString;
-#endif
-#ifdef _GLXAPI_VERSION_1_2
+ /*** GLX_VERSION_1_2 ***/
/*glx.GetCurrentDisplay = Fake_glXGetCurrentDisplay;*/
-#endif
-#ifdef _GLXAPI_VERSION_1_3
+ /*** GLX_VERSION_1_3 ***/
glx.ChooseFBConfig = Fake_glXChooseFBConfig;
glx.CreateNewContext = Fake_glXCreateNewContext;
glx.CreatePbuffer = Fake_glXCreatePbuffer;
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;
-#endif
-#ifdef _GLXAPI_SGI_video_sync
+ /*** 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
-#ifdef _GLXAPI_MESA_copy_sub_buffer
- glx.CopySubBufferMESA = Fake_glXCopySubBufferMESA;
+ /*** 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
-#ifdef _GLXAPI_MESA_release_buffers
+ /*** 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;
-#endif
-#ifdef _GLXAPI_MESA_pixmap_colormap
+ /*** GLX_MESA_pixmap_colormap ***/
glx.CreateGLXPixmapMESA = Fake_glXCreateGLXPixmapMESA;
-#endif
-#ifdef _GLXAPI_MESA_set_3dfx_mode
+ /*** GLX_MESA_set_3dfx_mode ***/
glx.Set3DfxModeMESA = Fake_glXSet3DfxModeMESA;
-#endif
+
+ /*** GLX_NV_vertex_array_range ***/
+ glx.AllocateMemoryNV = Fake_glXAllocateMemoryNV;
+ glx.FreeMemoryNV = Fake_glXFreeMemoryNV;
+
+ /*** GLX_MESA_agp_offset ***/
+ glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
return &glx;
}
projects / mesa.git / blobdiff