/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 7.5
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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"),
#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 "main/context.h"
+#include "main/config.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/version.h"
#include "xfonts.h"
#include "xmesaP.h"
+#ifdef __VMS
+#define sprintf sprintf
+#endif
/* This indicates the client-side GLX API and GLX encoder version. */
#define CLIENT_MAJOR_VERSION 1
"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_SGI_video_sync "*/ \
"GLX_SGIX_fbconfig " \
"GLX_SGIX_pbuffer "
#define DONT_CARE -1
-#define MAX_VISUALS 100
-static XMesaVisual VisualTable[MAX_VISUALS];
+static XMesaVisual *VisualTable = NULL;
static int NumVisuals = 0;
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;
- }
+ /* Color-index rendering is not supported. */
+ return GL_FALSE;
case TrueColor:
case DirectColor:
/* Any depth of TrueColor or DirectColor works in RGB mode */
*/
static XMesaVisual
save_glx_visual( Display *dpy, XVisualInfo *vinfo,
- GLboolean rgbFlag, GLboolean alphaFlag, GLboolean dbFlag,
+ GLboolean alphaFlag, GLboolean dbFlag,
GLboolean stereoFlag,
GLint depth_size, GLint stencil_size,
GLint accumRedSize, GLint accumGreenSize,
}
}
+ 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_FALSE;
/* Force the visual to have an alpha channel */
- if (rgbFlag && _mesa_getenv("MESA_GLX_FORCE_ALPHA"))
+ if (_mesa_getenv("MESA_GLX_FORCE_ALPHA"))
alphaFlag = GL_TRUE;
/* First check if a matching visual is already in the list */
&& 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
/* Create a new visual and add it to the list. */
- if (NumVisuals >= MAX_VISUALS) {
- _mesa_problem(NULL, "GLX Error: maximum number of visuals exceeded");
- return NULL;
- }
-
- xmvis = XMesaCreateVisual( dpy, vinfo, rgbFlag, alphaFlag, dbFlag,
+ xmvis = XMesaCreateVisual( dpy, vinfo, GL_TRUE, alphaFlag, dbFlag,
stereoFlag, ximageFlag,
depth_size, stencil_size,
accumRedSize, accumBlueSize,
* 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++;
int zBits;
const char *zEnv = _mesa_getenv("MESA_GLX_DEPTH_BITS");
if (zEnv)
- zBits = _mesa_atoi(zEnv);
+ zBits = 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 = atoi(aEnv);
+ else
+ aBits = 0;
+ return aBits;
+}
+
+static GLint
+default_accum_bits(void)
+{
+ return 16;
+}
+
/*
{
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) {
- /* 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 */
- );
+ /* Color-index rendering to overlays is not supported. */
+ return NULL;
}
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,
- 8 * sizeof(GLstencil),
- 0 * sizeof(GLaccum), /* r */
- 0 * sizeof(GLaccum), /* g */
- 0 * sizeof(GLaccum), /* b */
- 0 * sizeof(GLaccum), /* a */
- 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 */
- GL_FALSE, /* alpha */
- GL_TRUE, /* double */
- GL_FALSE, /* stereo */
- zBits,
- 8 * sizeof(GLstencil),
- 8 * sizeof(GLaccum), /* r */
- 8 * sizeof(GLaccum), /* g */
- 8 * sizeof(GLaccum), /* b */
- 8 * sizeof(GLaccum), /* a */
- 0, /* level */
- 0 /* numAux */
- );
- }
+ /* 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,
+ 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;
}
- _mesa_strncpy( value, _mesa_getenv(varname), 100 );
+ 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 (strcmp(type,"TrueColor")==0) xclass = TrueColor;
+ else if (strcmp(type,"DirectColor")==0) xclass = DirectColor;
+ else if (strcmp(type,"GrayScale")==0) xclass = GrayScale;
+ else if (strcmp(type,"StaticGray")==0) xclass = StaticGray;
if (xclass>-1 && depth>0) {
vis = get_visual( dpy, scr, depth, xclass );
/*
* 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 )
+choose_x_visual(Display *dpy, int screen, 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;
- }
- }
- }
+ /* 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<4;xclass++) {
+ switch (xclass) {
+ case 0: visclass = TrueColor; break;
+ case 1: visclass = DirectColor; break;
+ case 2: visclass = GrayScale; break;
+ case 3: visclass = StaticGray; break;
+ }
+ 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;
+ /* 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_GRAY_SCALE_EXT: visclass = GrayScale; break;
+ case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
+ case GLX_PSEUDO_COLOR_EXT:
+ case GLX_STATIC_COLOR_EXT:
+ default: return NULL;
}
- /* 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;
- }
- }
- }
+ 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 {
- /* 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;
- }
- }
+ /* start with deepest */
+ for (depth=32;depth>=min_depth;depth--) {
+ vis = get_visual( dpy, screen, depth, visclass );
+ if (vis) {
+ return vis;
+ }
+ }
}
}
* Return: pointer to an XVisualInfo or NULL.
*/
static XVisualInfo *
-choose_x_overlay_visual( Display *dpy, int scr, GLboolean rgbFlag,
+choose_x_overlay_visual( Display *dpy, int scr,
int level, int trans_type, int trans_value,
int min_depth, int preferred_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))
+ /* Color-index rendering is not supported. Make sure we have True/DirectColor */
+ if (vislist->CLASS != TrueColor && vislist->CLASS != DirectColor)
continue;
if (deepvis==NULL || vislist->depth > deepest) {
}
+/**********************************************************************/
+/*** 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);
+ (void) c; /* silence warning */
+ 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 )
{
else {
stereo_flag = GL_TRUE;
}
- return NULL; /* stereo not supported */
+ break;
case GLX_AUX_BUFFERS:
parselist++;
numAux = *parselist++;
parselist++;
{
GLint size = *parselist++;
- alpha_flag = size>0 ? 1 : 0;
+ alpha_flag = size ? GL_TRUE : GL_FALSE;
}
break;
case GLX_DEPTH_SIZE:
* GLX_ARB_multisample
*/
case GLX_SAMPLE_BUFFERS_ARB:
- /* ms not supported */
- return NULL;
case GLX_SAMPLES_ARB:
- /* ms not supported */
- return NULL;
+ parselist++;
+ if (*parselist++ != 0)
+ /* ms not supported */
+ return NULL;
+ break;
/*
* FBConfig attribs.
*/
case GLX_RENDER_TYPE:
+ if (!fbConfig)
+ return NULL;
parselist++;
- if (*parselist == GLX_RGBA_BIT) {
+ if (*parselist & GLX_RGBA_BIT) {
rgb_flag = GL_TRUE;
}
- else if (*parselist == GLX_COLOR_INDEX_BIT) {
+ else if (*parselist & GLX_COLOR_INDEX_BIT) {
rgb_flag = GL_FALSE;
}
else if (*parselist == 0) {
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;
+ 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;
}
}
+ if (!rgb_flag)
+ return NULL;
+
(void) caveat;
/*
if (vis) {
/* give the visual some useful GLX attributes */
double_flag = GL_TRUE;
- if (vis->depth > 8)
- rgb_flag = GL_TRUE;
+ if (vis->depth <= 8)
+ return NULL;
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 */
- 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 );
+ /* 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;
+ }
+
+ if (level==0) {
+ vis = choose_x_visual(dpy, screen, 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 );
+ vis = choose_x_overlay_visual(dpy, screen, level,
+ trans_type, trans_value, min_rgb, visual_type);
}
}
* return 16 to maintain performance with earlier versions of Mesa.
*/
if (depth_size > 24)
- depth_size = 31; /* 32 causes int overflow problems */
+ 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 = ACCUM_BITS;
- accumGreenSize = ACCUM_BITS;
- accumBlueSize = ACCUM_BITS;
- accumAlphaSize = alpha_flag ? ACCUM_BITS : 0;
+ accumRedSize =
+ accumGreenSize =
+ accumBlueSize = default_accum_bits();
+ accumAlphaSize = alpha_flag ? accumRedSize : 0;
}
- xmvis = save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag,
+ xmvis = save_glx_visual( dpy, vis, alpha_flag, double_flag,
stereo_flag, depth_size, stencil_size,
accumRedSize, accumGreenSize,
accumBlueSize, accumAlphaSize, level, numAux );
static XVisualInfo *
Fake_glXChooseVisual( Display *dpy, int screen, int *list )
{
- XMesaVisual xmvis = choose_visual(dpy, screen, list, GL_FALSE);
+ 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));
+ xmvis->vishandle = (XVisualInfo *) malloc(sizeof(XVisualInfo));
if (xmvis->vishandle) {
- _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
}
return xmvis->vishandle;
#endif
}
+/**
+ * Init basic fields of a new fake_glx_context.
+ */
+static void
+init_glx_context(struct fake_glx_context *glxCtx, Display *dpy)
+{
+ /* Always return True. See if anyone's confused... */
+ GLboolean direct = GL_TRUE;
+
+ glxCtx->xmesaContext->direct = direct;
+ glxCtx->glxContext.isDirect = direct;
+ glxCtx->glxContext.currentDpy = dpy;
+ glxCtx->glxContext.xid = (XID) glxCtx; /* self pointer */
+
+ assert((void *) glxCtx == (void *) &(glxCtx->glxContext));
+}
+
+
+
static GLXContext
Fake_glXCreateContext( Display *dpy, XVisualInfo *visinfo,
GLXContext share_list, Bool direct )
return 0;
/* deallocate unused windows/buffers */
+#if 0
XMesaGarbageCollect();
+#endif
xmvis = find_glx_visual( dpy, visinfo );
if (!xmvis) {
xmvis = create_glx_visual( dpy, visinfo );
if (!xmvis) {
/* unusable visual */
- FREE(glxCtx);
+ free(glxCtx);
return NULL;
}
}
glxCtx->xmesaContext = XMesaCreateContext(xmvis,
shareCtx ? shareCtx->xmesaContext : NULL);
if (!glxCtx->xmesaContext) {
- FREE(glxCtx);
+ 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));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
}
if (!drawBuffer) {
/* drawable must be a new window! */
- drawBuffer = XMesaCreateWindowBuffer2( xmctx->xm_visual, draw, xmctx);
+ 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 (!readBuffer) {
/* drawable must be a new window! */
- readBuffer = XMesaCreateWindowBuffer2(glxCtx->xmesaContext->xm_visual,
- read, xmctx);
+ 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;
if (XMesaMakeCurrent2(xmctx, drawBuffer, readBuffer)) {
((__GLXcontext *) ctx)->currentDpy = dpy;
((__GLXcontext *) ctx)->currentDrawable = draw;
-#ifndef GLX_BUILT_IN_XMESA
((__GLXcontext *) ctx)->currentReadable = read;
-#else
- __glXSetCurrentContext(ctx);
-#endif
return True;
}
else {
MakeCurrent_PrevReadable = 0;
MakeCurrent_PrevDrawBuffer = 0;
MakeCurrent_PrevReadBuffer = 0;
-#ifdef GLX_BUILT_IN_XMESA
- /* XXX bind dummy context with __glXSetCurrentContext(ctx); */
-#endif
return True;
}
else {
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
if (!b) {
return 0;
}
- return b->frontbuffer;
+ return b->frontxrb->pixmap;
}
XMesaContext xm_src = fakeSrc->xmesaContext;
XMesaContext xm_dst = fakeDst->xmesaContext;
(void) dpy;
+ 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 )
+Fake_glXQueryExtension( Display *dpy, int *errorBase, int *eventBase )
{
+ int op, ev, err;
/* Mesa's GLX isn't really an X extension but we try to act like one. */
- (void) dpy;
- (void) errorb;
- (void) event;
- return True;
+ if (!XQueryExtension(dpy, GLX_EXTENSION_NAME, &op, &ev, &err))
+ ev = err = 0;
+ if (errorBase)
+ *errorBase = err;
+ if (eventBase)
+ *eventBase = ev;
+ return True; /* we're faking GLX so always return success */
}
MakeCurrent_PrevReadBuffer = 0;
XMesaDestroyContext( glxCtx->xmesaContext );
XMesaGarbageCollect();
+ free(glxCtx);
}
XMesaSwapBuffers(buffer);
}
else if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_warning(NULL, "Mesa: glXSwapBuffers: invalid drawable\n");
+ _mesa_warning(NULL, "glXSwapBuffers: invalid drawable 0x%x\n",
+ (int) drawable);
}
}
*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;
}
int attrib, int *value )
{
XMesaVisual xmvis;
-
+ int k;
if (!dpy || !visinfo)
return GLX_BAD_ATTRIBUTE;
}
}
- return get_config(xmvis, attrib, value, GL_FALSE);
+ k = get_config(xmvis, attrib, value, GL_FALSE);
+ return k;
}
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);
+ 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];
- _mesa_sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
- CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
+ sprintf(version, "%d.%d %s", CLIENT_MAJOR_VERSION,
+ CLIENT_MINOR_VERSION, MESA_GLX_VERSION);
(void) dpy;
*/
-static GLXFBConfig *
-Fake_glXChooseFBConfig( Display *dpy, int screen,
- const int *attribList, int *nitems )
-{
- XMesaVisual 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 int
Fake_glXGetFBConfigAttrib( Display *dpy, GLXFBConfig config,
int attribute, int *value )
visuals = XGetVisualInfo(dpy, visMask, &visTemplate, nelements);
if (*nelements > 0) {
XMesaVisual *results;
- results = (XMesaVisual *) _mesa_malloc(*nelements * sizeof(XMesaVisual));
+ results = (XMesaVisual *) malloc(*nelements * sizeof(XMesaVisual));
if (!results) {
*nelements = 0;
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 *) 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 )
{
return xmvis->vishandle;
#else
/* create a new vishandle - the cached one may be stale */
- xmvis->vishandle = (XVisualInfo *) _mesa_malloc(sizeof(XVisualInfo));
+ xmvis->vishandle = (XVisualInfo *) malloc(sizeof(XVisualInfo));
if (xmvis->vishandle) {
- _mesa_memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
+ memcpy(xmvis->vishandle, xmvis->visinfo, sizeof(XVisualInfo));
}
return xmvis->vishandle;
#endif
if (!xmvis)
return 0;
- xmbuf = XMesaCreateWindowBuffer2(xmvis, win, NULL);
+ 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 */
{
XMesaVisual v = (XMesaVisual) config;
XMesaBuffer b;
-
- (void) dpy;
- (void) config;
- (void) pixmap;
- (void) attribList; /* Ignored in GLX 1.3 */
+ const int *attr;
+ int target = 0, format = 0, mipmap = 0;
+ int value;
if (!dpy || !config || !pixmap)
return 0;
- b = XMesaCreatePixmapBuffer( v, pixmap, 0 );
+ for (attr = attribList; attr && *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;
}
break;
case GLX_PRESERVED_CONTENTS:
attrib++;
- preserveContents = *attrib; /* ignored */
+ preserveContents = *attrib;
break;
case GLX_LARGEST_PBUFFER:
attrib++;
- useLargest = *attrib; /* ignored */
+ useLargest = *attrib;
break;
default:
return 0;
}
}
- /* not used at this time */
- (void) useLargest;
- (void) preserveContents;
-
if (width == 0 || height == 0)
return 0;
+ if (width > MAX_WIDTH || height > MAX_HEIGHT) {
+ /* If allocation would have failed and GLX_LARGEST_PBUFFER is set,
+ * allocate the largest possible buffer.
+ */
+ if (useLargest) {
+ width = MAX_WIDTH;
+ height = MAX_HEIGHT;
+ }
+ }
+
xmbuf = XMesaCreatePBuffer( xmvis, 0, width, height);
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- return (GLXPbuffer) xmbuf->frontbuffer;
+ if (xmbuf) {
+ xmbuf->largestPbuffer = useLargest;
+ xmbuf->preservedContents = preserveContents;
+ return (GLXPbuffer) xmbuf->frontxrb->pixmap;
+ }
+ else {
+ return 0;
+ }
}
if (!xmbuf)
return;
+ /* make sure buffer's dimensions are up to date */
+ xmesa_check_and_update_buffer_size(NULL, xmbuf);
+
switch (attribute) {
case GLX_WIDTH:
*value = xmbuf->mesa_buffer.Width;
*value = xmbuf->mesa_buffer.Height;
break;
case GLX_PRESERVED_CONTENTS:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
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; /* GLX_BAD_ATTRIBUTE? */
+ return; /* raise BadValue error */
}
}
glxCtx->xmesaContext = XMesaCreateContext(xmvis,
shareCtx ? shareCtx->xmesaContext : NULL);
if (!glxCtx->xmesaContext) {
- FREE(glxCtx);
+ 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));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
*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;
+ *value = GLX_RGBA_TYPE;
break;
case GLX_SCREEN:
*value = 0;
/*** GLX_SGI_video_sync ***/
+static unsigned int FrameCounter = 0;
+
static int
Fake_glXGetVideoSyncSGI(unsigned int *count)
{
- (void) count;
+ /* this is a bogus implementation */
+ *count = FrameCounter++;
return 0;
}
static int
Fake_glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
{
- (void) divisor;
- (void) remainder;
- (void) 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;
}
{
XMesaVisual xmvis = (XMesaVisual) config;
XMesaBuffer xmbuf = XMesaCreatePixmapBuffer(xmvis, pixmap, 0);
- return xmbuf->frontbuffer; /* need to return an X ID */
+ return xmbuf->frontxrb->pixmap; /* need to return an X ID */
}
glxCtx->xmesaContext = XMesaCreateContext(xmvis,
shareCtx ? shareCtx->xmesaContext : NULL);
if (!glxCtx->xmesaContext) {
- FREE(glxCtx);
+ 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));
+ init_glx_context(glxCtx, dpy);
return (GLXContext) glxCtx;
}
/* A GLXPbuffer handle must be an X Drawable because that's what
* glXMakeCurrent takes.
*/
- return (GLXPbuffer) xmbuf->frontbuffer;
+ return (GLXPbuffer) xmbuf->frontxrb->pixmap;
}
switch (attribute) {
case GLX_PRESERVED_CONTENTS_SGIX:
- *value = True;
+ *value = xmbuf->preservedContents;
break;
case GLX_LARGEST_PBUFFER_SGIX:
- *value = xmbuf->mesa_buffer.Width * xmbuf->mesa_buffer.Height;
+ *value = xmbuf->largestPbuffer;
break;
case GLX_WIDTH_SGIX:
*value = xmbuf->mesa_buffer.Width;
}
+/*** 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);
/*** GLX_MESA_agp_offset ***/
glx.GetAGPOffsetMESA = Fake_glXGetAGPOffsetMESA;
+ /*** GLX_EXT_texture_from_pixmap ***/
+ glx.BindTexImageEXT = Fake_glXBindTexImageEXT;
+ glx.ReleaseTexImageEXT = Fake_glXReleaseTexImageEXT;
+
return &glx;
}
projects / mesa.git / blobdiff