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-rw-r--r--progs/xdemos/.gitignore2
-rw-r--r--progs/xdemos/Makefile16
-rw-r--r--progs/xdemos/glxinfo.c285
-rw-r--r--progs/xdemos/pbutil.c71
-rw-r--r--progs/xdemos/pbutil.h3
5 files changed, 301 insertions, 76 deletions
diff --git a/progs/xdemos/.gitignore b/progs/xdemos/.gitignore
index 250bc17d98..25022c112d 100644
--- a/progs/xdemos/.gitignore
+++ b/progs/xdemos/.gitignore
@@ -1,3 +1,4 @@
+corender
glthreads
glxcontexts
glxdemo
@@ -7,6 +8,7 @@ glxheads
glxinfo
glxpbdemo
glxpixmap
+glxsnoop
glxswapcontrol
manywin
offset
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index a7ba9afcac..d49b3d2f5c 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -8,6 +8,8 @@ INCDIR = $(TOP)/include
LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME)
+LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
+
PROGS = \
corender \
glthreads \
@@ -41,7 +43,7 @@ PROGS = \
.SUFFIXES: .c
.c: $(LIB_DEP)
- $(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
+ $(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
##### TARGETS #####
@@ -56,10 +58,10 @@ clean:
# special cases
pbinfo: pbinfo.o pbutil.o
- $(CC) $(LDFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
+ $(CC) $(LDFLAGS) pbinfo.o pbutil.o $(LIBS) -o $@
pbdemo: pbdemo.o pbutil.o
- $(CC) $(LDFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
+ $(CC) $(LDFLAGS) pbdemo.o pbutil.o $(LIBS) -o $@
pbinfo.o: pbinfo.c pbutil.h
$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbinfo.c
@@ -71,13 +73,13 @@ pbutil.o: pbutil.c pbutil.h
$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbutil.c
glxgears_fbconfig: glxgears_fbconfig.o pbutil.o
- $(CC) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
+ $(CC) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(LIBS) -o $@
glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h
$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
xrotfontdemo: xrotfontdemo.o xuserotfont.o
- $(CC) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
+ $(CC) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(LIBS) -o $@
xuserotfont.o: xuserotfont.c xuserotfont.h
$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xuserotfont.c
@@ -86,10 +88,10 @@ xrotfontdemo.o: xrotfontdemo.c xuserotfont.h
$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xrotfontdemo.c
corender: corender.o ipc.o
- $(CC) $(CFLAGS) corender.o ipc.o $(APP_LIB_DEPS) -o $@
+ $(CC) $(CFLAGS) corender.o ipc.o $(LIBS) -o $@
corender.o: corender.c ipc.h
$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) corender.c
ipc.o: ipc.c ipc.h
- $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) ipc.c \ No newline at end of file
+ $(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) ipc.c
diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c
index 3e8e0be520..db7d1ed08e 100644
--- a/progs/xdemos/glxinfo.c
+++ b/progs/xdemos/glxinfo.c
@@ -52,6 +52,13 @@
#define GLX_TRANSPARENT_RGB 0x8008
#endif
+#ifndef GLX_RGBA_BIT
+#define GLX_RGBA_BIT 0x00000001
+#endif
+
+#ifndef GLX_COLOR_INDEX_BIT
+#define GLX_COLOR_INDEX_BIT 0x00000002
+#endif
typedef enum
{
@@ -81,7 +88,7 @@ struct visual_attribs
int transparentIndexValue;
int bufferSize;
int level;
- int rgba;
+ int render_type;
int doubleBuffer;
int stereo;
int auxBuffers;
@@ -388,20 +395,61 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
XSetWindowAttributes attr;
unsigned long mask;
Window root;
- GLXContext ctx;
+ GLXContext ctx = NULL;
XVisualInfo *visinfo;
int width = 100, height = 100;
root = RootWindow(dpy, scrnum);
visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
- if (!visinfo) {
+ if (!visinfo)
visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
- if (!visinfo) {
- fprintf(stderr, "Error: couldn't find RGB GLX visual\n");
- return;
+
+ if (visinfo)
+ ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
+
+#ifdef GLX_VERSION_1_3
+ {
+ int fbAttribSingle[] = {
+ GLX_RENDER_TYPE, GLX_RGBA_BIT,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER, GL_TRUE,
+ None };
+ int fbAttribDouble[] = {
+ GLX_RENDER_TYPE, GLX_RGBA_BIT,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None };
+ GLXFBConfig *configs = NULL;
+ int nConfigs;
+
+ if (!visinfo)
+ configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
+ if (!visinfo)
+ configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs);
+
+ if (configs) {
+ visinfo = glXGetVisualFromFBConfig(dpy, configs[0]);
+ ctx = glXCreateNewContext(dpy, configs[0], GLX_RGBA_TYPE, NULL, allowDirect);
+ XFree(configs);
}
}
+#endif
+
+ if (!visinfo) {
+ fprintf(stderr, "Error: couldn't find RGB GLX visual or fbconfig\n");
+ return;
+ }
+
+ if (!ctx) {
+ fprintf(stderr, "Error: glXCreateContext failed\n");
+ XFree(visinfo);
+ XDestroyWindow(dpy, win);
+ return;
+ }
attr.background_pixel = 0;
attr.border_pixel = 0;
@@ -412,14 +460,6 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
0, visinfo->depth, InputOutput,
visinfo->visual, mask, &attr);
- ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
- if (!ctx) {
- fprintf(stderr, "Error: glXCreateContext failed\n");
- XFree(visinfo);
- XDestroyWindow(dpy, win);
- return;
- }
-
if (glXMakeCurrent(dpy, win, ctx)) {
const char *serverVendor = glXQueryServerString(dpy, scrnum, GLX_VENDOR);
const char *serverVersion = glXQueryServerString(dpy, scrnum, GLX_VERSION);
@@ -541,12 +581,27 @@ visual_class_abbrev(int cls)
}
}
+static const char *
+visual_render_type_name(int type)
+{
+ switch (type) {
+ case GLX_RGBA_BIT:
+ return "rgba";
+ case GLX_COLOR_INDEX_BIT:
+ return "ci";
+ case GLX_RGBA_BIT | GLX_COLOR_INDEX_BIT:
+ return "rgba|ci";
+ default:
+ return "";
+ }
+}
-static void
+static GLboolean
get_visual_attribs(Display *dpy, XVisualInfo *vInfo,
struct visual_attribs *attribs)
{
const char *ext = glXQueryExtensionsString(dpy, vInfo->screen);
+ int rgba;
memset(attribs, 0, sizeof(struct visual_attribs));
@@ -563,11 +618,17 @@ get_visual_attribs(Display *dpy, XVisualInfo *vInfo,
attribs->colormapSize = vInfo->colormap_size;
attribs->bitsPerRGB = vInfo->bits_per_rgb;
- if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0)
- return;
+ if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0 ||
+ !attribs->supportsGL)
+ return GL_FALSE;
glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize);
glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level);
- glXGetConfig(dpy, vInfo, GLX_RGBA, &attribs->rgba);
+ glXGetConfig(dpy, vInfo, GLX_RGBA, &rgba);
+ if (rgba)
+ attribs->render_type = GLX_RGBA_BIT;
+ else
+ attribs->render_type = GLX_COLOR_INDEX_BIT;
+
glXGetConfig(dpy, vInfo, GLX_DOUBLEBUFFER, &attribs->doubleBuffer);
glXGetConfig(dpy, vInfo, GLX_STEREO, &attribs->stereo);
glXGetConfig(dpy, vInfo, GLX_AUX_BUFFERS, &attribs->auxBuffers);
@@ -616,8 +677,97 @@ get_visual_attribs(Display *dpy, XVisualInfo *vInfo,
#else
attribs->visualCaveat = 0;
#endif
+
+ return GL_TRUE;
}
+#ifdef GLX_VERSION_1_3
+
+static int
+glx_token_to_visual_class(int visual_type)
+{
+ switch (visual_type) {
+ case GLX_TRUE_COLOR:
+ return TrueColor;
+ case GLX_DIRECT_COLOR:
+ return DirectColor;
+ case GLX_PSEUDO_COLOR:
+ return PseudoColor;
+ case GLX_STATIC_COLOR:
+ return StaticColor;
+ case GLX_GRAY_SCALE:
+ return GrayScale;
+ case GLX_STATIC_GRAY:
+ return StaticGray;
+ case GLX_NONE:
+ default:
+ return None;
+ }
+}
+
+static GLboolean
+get_fbconfig_attribs(Display *dpy, GLXFBConfig fbconfig,
+ struct visual_attribs *attribs)
+{
+ int visual_type;
+
+ memset(attribs, 0, sizeof(struct visual_attribs));
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_FBCONFIG_ID, &attribs->id);
+
+#if 0
+ attribs->depth = vInfo->depth;
+ attribs->redMask = vInfo->red_mask;
+ attribs->greenMask = vInfo->green_mask;
+ attribs->blueMask = vInfo->blue_mask;
+ attribs->colormapSize = vInfo->colormap_size;
+ attribs->bitsPerRGB = vInfo->bits_per_rgb;
+#endif
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_X_VISUAL_TYPE, &visual_type);
+ attribs->klass = glx_token_to_visual_class(visual_type);
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_BUFFER_SIZE, &attribs->bufferSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_LEVEL, &attribs->level);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &attribs->render_type);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &attribs->doubleBuffer);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_STEREO, &attribs->stereo);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_AUX_BUFFERS, &attribs->auxBuffers);
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_RED_SIZE, &attribs->redSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_GREEN_SIZE, &attribs->greenSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_BLUE_SIZE, &attribs->blueSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ALPHA_SIZE, &attribs->alphaSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_DEPTH_SIZE, &attribs->depthSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_STENCIL_SIZE, &attribs->stencilSize);
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize);
+
+ /* get transparent pixel stuff */
+ glXGetFBConfigAttrib(dpy, fbconfig,GLX_TRANSPARENT_TYPE, &attribs->transparentType);
+ if (attribs->transparentType == GLX_TRANSPARENT_RGB) {
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue);
+ }
+ else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) {
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue);
+ }
+
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLE_BUFFERS, &attribs->numMultisample);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLES, &attribs->numSamples);
+ glXGetFBConfigAttrib(dpy, fbconfig, GLX_CONFIG_CAVEAT, &attribs->visualCaveat);
+
+ return GL_TRUE;
+}
+
+#endif
+
+
static void
print_visual_attribs_verbose(const struct visual_attribs *attribs)
@@ -625,7 +775,8 @@ print_visual_attribs_verbose(const struct visual_attribs *attribs)
printf("Visual ID: %x depth=%d class=%s\n",
attribs->id, attribs->depth, visual_class_name(attribs->klass));
printf(" bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n",
- attribs->bufferSize, attribs->level, attribs->rgba ? "rgba" : "ci",
+ attribs->bufferSize, attribs->level,
+ visual_render_type_name(attribs->render_type),
attribs->doubleBuffer, attribs->stereo);
printf(" rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n",
attribs->redSize, attribs->greenSize,
@@ -683,16 +834,17 @@ print_visual_attribs_short(const struct visual_attribs *attribs)
caveat = "None";
#endif
- printf("0x%2x %2d %2s %2d %2d %2d %1s %2s %2s %2d %2d %2d %2d %2d %2d %2d",
+ printf("0x%02x %2d %2s %2d %2d %2d %c%c %c %c %2d %2d %2d %2d %2d %2d %2d",
attribs->id,
attribs->depth,
visual_class_abbrev(attribs->klass),
attribs->transparentType != GLX_NONE,
attribs->bufferSize,
attribs->level,
- attribs->rgba ? "r" : "c",
- attribs->doubleBuffer ? "y" : ".",
- attribs->stereo ? "y" : ".",
+ (attribs->render_type & GLX_RGBA_BIT) ? 'r' : ' ',
+ (attribs->render_type & GLX_COLOR_INDEX_BIT) ? 'c' : ' ',
+ attribs->doubleBuffer ? 'y' : '.',
+ attribs->stereo ? 'y' : '.',
attribs->redSize, attribs->greenSize,
attribs->blueSize, attribs->alphaSize,
attribs->auxBuffers,
@@ -728,7 +880,7 @@ print_visual_attribs_long(const struct visual_attribs *attribs)
attribs->transparentType != GLX_NONE,
attribs->bufferSize,
attribs->level,
- attribs->rgba ? "rgba" : "ci ",
+ visual_render_type_name(attribs->render_type),
attribs->doubleBuffer,
attribs->stereo,
attribs->redSize, attribs->greenSize,
@@ -751,42 +903,86 @@ print_visual_info(Display *dpy, int scrnum, InfoMode mode)
{
XVisualInfo theTemplate;
XVisualInfo *visuals;
- int numVisuals;
+ int numVisuals, numGlxVisuals;
long mask;
int i;
+ struct visual_attribs attribs;
/* get list of all visuals on this screen */
theTemplate.screen = scrnum;
mask = VisualScreenMask;
visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals);
- if (mode == Verbose) {
- for (i = 0; i < numVisuals; i++) {
- struct visual_attribs attribs;
- get_visual_attribs(dpy, &visuals[i], &attribs);
- print_visual_attribs_verbose(&attribs);
- }
+ numGlxVisuals = 0;
+ for (i = 0; i < numVisuals; i++) {
+ if (get_visual_attribs(dpy, &visuals[i], &attribs))
+ numGlxVisuals++;
}
- else if (mode == Normal) {
+
+ if (numGlxVisuals == 0)
+ return;
+
+ printf("%d GLX Visuals\n", numGlxVisuals);
+
+ if (mode == Normal)
print_visual_attribs_short_header();
- for (i = 0; i < numVisuals; i++) {
- struct visual_attribs attribs;
- get_visual_attribs(dpy, &visuals[i], &attribs);
+ else if (mode == Wide)
+ print_visual_attribs_long_header();
+
+ for (i = 0; i < numVisuals; i++) {
+ if (!get_visual_attribs(dpy, &visuals[i], &attribs))
+ continue;
+
+ if (mode == Verbose)
+ print_visual_attribs_verbose(&attribs);
+ else if (mode == Normal)
print_visual_attribs_short(&attribs);
- }
+ else if (mode == Wide)
+ print_visual_attribs_long(&attribs);
}
- else if (mode == Wide) {
+ printf("\n");
+
+ XFree(visuals);
+}
+
+#ifdef GLX_VERSION_1_3
+
+static void
+print_fbconfig_info(Display *dpy, int scrnum, InfoMode mode)
+{
+ int numFBConfigs;
+ struct visual_attribs attribs;
+ GLXFBConfig *fbconfigs;
+ int i;
+
+ /* get list of all fbconfigs on this screen */
+ fbconfigs = glXGetFBConfigs(dpy, scrnum, &numFBConfigs);
+
+ if (numFBConfigs == 0)
+ return;
+
+ printf("%d GLXFBConfigs:\n", numFBConfigs);
+ if (mode == Normal)
+ print_visual_attribs_short_header();
+ else if (mode == Wide)
print_visual_attribs_long_header();
- for (i = 0; i < numVisuals; i++) {
- struct visual_attribs attribs;
- get_visual_attribs(dpy, &visuals[i], &attribs);
+
+ for (i = 0; i < numFBConfigs; i++) {
+ get_fbconfig_attribs(dpy, fbconfigs[i], &attribs);
+
+ if (mode == Verbose)
+ print_visual_attribs_verbose(&attribs);
+ else if (mode == Normal)
+ print_visual_attribs_short(&attribs);
+ else if (mode == Wide)
print_visual_attribs_long(&attribs);
- }
}
+ printf("\n");
- XFree(visuals);
+ XFree(fbconfigs);
}
+#endif
/*
* Stand-alone Mesa doesn't really implement the GLX protocol so it
@@ -860,7 +1056,7 @@ find_best_visual(Display *dpy, int scrnum)
/* see if this vis is better than bestVis */
if ((!bestVis.supportsGL && vis.supportsGL) ||
(bestVis.visualCaveat != GLX_NONE_EXT) ||
- (!bestVis.rgba && vis.rgba) ||
+ (!(bestVis.render_type & GLX_RGBA_BIT) && (vis.render_type & GLX_RGBA_BIT)) ||
(!bestVis.doubleBuffer && vis.doubleBuffer) ||
(bestVis.redSize < vis.redSize) ||
(bestVis.greenSize < vis.greenSize) ||
@@ -957,6 +1153,9 @@ main(int argc, char *argv[])
print_screen_info(dpy, scrnum, allowDirect, limits);
printf("\n");
print_visual_info(dpy, scrnum, mode);
+#ifdef GLX_VERSION_1_3
+ print_fbconfig_info(dpy, scrnum, mode);
+#endif
if (scrnum + 1 < numScreens)
printf("\n\n");
}
diff --git a/progs/xdemos/pbutil.c b/progs/xdemos/pbutil.c
index 6c340fd7f9..ce133d012d 100644
--- a/progs/xdemos/pbutil.c
+++ b/progs/xdemos/pbutil.c
@@ -18,12 +18,12 @@
* Test if we pixel buffers are available for a particular X screen.
* Input: dpy - the X display
* screen - screen number
- * Return: 0 = pixel buffers not available.
- * 1 = pixel buffers are available via GLX 1.3.
- * 2 = pixel buffers are available via GLX_SGIX_fbconfig/pbuffer.
+ * Return: 0 = fbconfigs not available.
+ * 1 = fbconfigs are available via GLX 1.3.
+ * 2 = fbconfigs and pbuffers are available via GLX_SGIX_fbconfig
*/
int
-QueryPbuffers(Display *dpy, int screen)
+QueryFBConfig(Display *dpy, int screen)
{
#if defined(GLX_VERSION_1_3)
{
@@ -40,36 +40,55 @@ QueryPbuffers(Display *dpy, int screen)
}
#endif
-#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
/* Try the SGIX extensions */
{
char *extensions;
extensions = (char *) glXQueryServerString(dpy, screen, GLX_EXTENSIONS);
- if (!extensions ||
- !strstr(extensions,"GLX_SGIX_fbconfig") ||
- !strstr(extensions,"GLX_SGIX_pbuffer")) {
- return 0;
+ if (extensions && strstr(extensions,"GLX_SGIX_fbconfig")) {
+ return 2;
}
- return 2;
}
-#endif
return 0;
}
+/**
+ * Test if we pixel buffers are available for a particular X screen.
+ * Input: dpy - the X display
+ * screen - screen number
+ * Return: 0 = pixel buffers not available.
+ * 1 = pixel buffers are available via GLX 1.3.
+ * 2 = pixel buffers are available via GLX_SGIX_fbconfig/pbuffer.
+ */
+int
+QueryPbuffers(Display *dpy, int screen)
+{
+ int ret;
+ ret = QueryFBConfig(dpy, screen);
+ if (ret == 2) {
+ char *extensions;
+ extensions = (char *) glXQueryServerString(dpy, screen, GLX_EXTENSIONS);
+ if (extensions && strstr(extensions, "GLX_SGIX_pbuffer"))
+ return 2;
+ else
+ return 0;
+ }
+ else
+ return ret;
+}
FBCONFIG *
ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs)
{
- int pbSupport = QueryPbuffers(dpy, screen);
+ int fbcSupport = QueryPbuffers(dpy, screen);
#if defined(GLX_VERSION_1_3)
- if (pbSupport == 1) {
+ if (fbcSupport == 1) {
return glXChooseFBConfig(dpy, screen, attribs, nConfigs);
}
#endif
#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
- if (pbSupport == 2) {
+ if (fbcSupport == 2) {
return glXChooseFBConfigSGIX(dpy, screen, (int *) attribs, nConfigs);
}
#endif
@@ -80,14 +99,14 @@ ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs)
FBCONFIG *
GetAllFBConfigs(Display *dpy, int screen, int *nConfigs)
{
- int pbSupport = QueryPbuffers(dpy, screen);
+ int fbcSupport = QueryFBConfig(dpy, screen);
#if defined(GLX_VERSION_1_3)
- if (pbSupport == 1) {
+ if (fbcSupport == 1) {
return glXGetFBConfigs(dpy, screen, nConfigs);
}
#endif
#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
- if (pbSupport == 2) {
+ if (fbcSupport == 2) {
/* The GLX_SGIX_fbconfig extensions says to pass NULL to get list
* of all available configurations.
*/
@@ -101,14 +120,14 @@ GetAllFBConfigs(Display *dpy, int screen, int *nConfigs)
XVisualInfo *
GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config)
{
- int pbSupport = QueryPbuffers(dpy, screen);
+ int fbcSupport = QueryFBConfig(dpy, screen);
#if defined(GLX_VERSION_1_3)
- if (pbSupport == 1) {
+ if (fbcSupport == 1) {
return glXGetVisualFromFBConfig(dpy, config);
}
#endif
#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
- if (pbSupport == 2) {
+ if (fbcSupport == 2) {
return glXGetVisualFromFBConfigSGIX(dpy, config);
}
#endif
@@ -130,11 +149,11 @@ GetFBConfigAttrib(Display *dpy, int screen,
int attrib
)
{
- int pbSupport = QueryPbuffers(dpy, screen);
+ int fbcSupport = QueryFBConfig(dpy, screen);
int value = 0;
#if defined(GLX_VERSION_1_3)
- if (pbSupport == 1) {
+ if (fbcSupport == 1) {
/* ok */
if (glXGetFBConfigAttrib(dpy, config, attrib, &value) != 0) {
value = 0;
@@ -145,7 +164,7 @@ GetFBConfigAttrib(Display *dpy, int screen,
#endif
#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
- if (pbSupport == 2) {
+ if (fbcSupport == 2) {
if (glXGetFBConfigAttribSGIX(dpy, config, attrib, &value) != 0) {
value = 0;
}
@@ -295,9 +314,9 @@ PrintFBConfigInfo(Display *dpy, int screen, FBCONFIG config, Bool horizFormat)
GLXContext
CreateContext(Display *dpy, int screen, FBCONFIG config)
{
- int pbSupport = QueryPbuffers(dpy, screen);
+ int fbcSupport = QueryFBConfig(dpy, screen);
#if defined(GLX_VERSION_1_3)
- if (pbSupport == 1) {
+ if (fbcSupport == 1) {
/* GLX 1.3 */
GLXContext c;
c = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, True);
@@ -309,7 +328,7 @@ CreateContext(Display *dpy, int screen, FBCONFIG config)
}
#endif
#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
- if (pbSupport == 2) {
+ if (fbcSupport == 2) {
GLXContext c;
c = glXCreateContextWithConfigSGIX(dpy, config, GLX_RGBA_TYPE_SGIX, NULL, True);
if (!c) {
diff --git a/progs/xdemos/pbutil.h b/progs/xdemos/pbutil.h
index e95b2565a2..d420522ff0 100644
--- a/progs/xdemos/pbutil.h
+++ b/progs/xdemos/pbutil.h
@@ -27,6 +27,9 @@
extern int
+QueryFBConfig(Display *dpy, int screen);
+
+extern int
QueryPbuffers(Display *dpy, int screen);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 08:20:47 +0000