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Bug 675532 - Add GLX debug mode. r=bjacob

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This commit is contained in:
Matt Woodrow 2011-08-24 13:55:43 +12:00
parent 5d873de548
commit dc9ab97c70
3 changed files with 460 additions and 114 deletions
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3
gfx/src/X11Util.h
View File

@ -126,6 +126,7 @@ private:
*/
class NS_GFX ScopedXErrorHandler
{
public:
// trivial wrapper around XErrorEvent, just adding ctor initializing by zero.
struct ErrorEvent
{
@ -137,6 +138,8 @@ class NS_GFX ScopedXErrorHandler
}
};
private:
// this ScopedXErrorHandler's ErrorEvent object
ErrorEvent mXError;

336
gfx/thebes/GLContextProviderGLX.cpp
View File

@ -112,65 +112,69 @@ GLXLibrary::EnsureInitialized()
reporter.SetSuccessful();
}
if (PR_GetEnv("MOZ_GLX_DEBUG")) {
mDebug = PR_TRUE;
}
LibrarySymbolLoader::SymLoadStruct symbols[] = {
/* functions that were in GLX 1.0 */
{ (PRFuncPtr*) &xDestroyContext, { "glXDestroyContext", NULL } },
{ (PRFuncPtr*) &xMakeCurrent, { "glXMakeCurrent", NULL } },
{ (PRFuncPtr*) &xSwapBuffers, { "glXSwapBuffers", NULL } },
{ (PRFuncPtr*) &xQueryVersion, { "glXQueryVersion", NULL } },
{ (PRFuncPtr*) &xGetCurrentContext, { "glXGetCurrentContext", NULL } },
{ (PRFuncPtr*) &xWaitGL, { "glXWaitGL", NULL } },
{ (PRFuncPtr*) &xDestroyContextInternal, { "glXDestroyContext", NULL } },
{ (PRFuncPtr*) &xMakeCurrentInternal, { "glXMakeCurrent", NULL } },
{ (PRFuncPtr*) &xSwapBuffersInternal, { "glXSwapBuffers", NULL } },
{ (PRFuncPtr*) &xQueryVersionInternal, { "glXQueryVersion", NULL } },
{ (PRFuncPtr*) &xGetCurrentContextInternal, { "glXGetCurrentContext", NULL } },
{ (PRFuncPtr*) &xWaitGLInternal, { "glXWaitGL", NULL } },
/* functions introduced in GLX 1.1 */
{ (PRFuncPtr*) &xQueryExtensionsString, { "glXQueryExtensionsString", NULL } },
{ (PRFuncPtr*) &xGetClientString, { "glXGetClientString", NULL } },
{ (PRFuncPtr*) &xQueryServerString, { "glXQueryServerString", NULL } },
{ (PRFuncPtr*) &xQueryExtensionsStringInternal, { "glXQueryExtensionsString", NULL } },
{ (PRFuncPtr*) &xGetClientStringInternal, { "glXGetClientString", NULL } },
{ (PRFuncPtr*) &xQueryServerStringInternal, { "glXQueryServerString", NULL } },
{ NULL, { NULL } }
};
LibrarySymbolLoader::SymLoadStruct symbols13[] = {
/* functions introduced in GLX 1.3 */
{ (PRFuncPtr*) &xChooseFBConfig, { "glXChooseFBConfig", NULL } },
{ (PRFuncPtr*) &xGetFBConfigAttrib, { "glXGetFBConfigAttrib", NULL } },
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfig", NULL } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttrib", NULL } },
// WARNING: xGetFBConfigs not set in symbols13_ext
{ (PRFuncPtr*) &xGetFBConfigs, { "glXGetFBConfigs", NULL } },
{ (PRFuncPtr*) &xGetVisualFromFBConfig, { "glXGetVisualFromFBConfig", NULL } },
{ (PRFuncPtr*) &xGetFBConfigsInternal, { "glXGetFBConfigs", NULL } },
{ (PRFuncPtr*) &xGetVisualFromFBConfigInternal, { "glXGetVisualFromFBConfig", NULL } },
// WARNING: symbols13_ext sets xCreateGLXPixmapWithConfig instead
{ (PRFuncPtr*) &xCreatePixmap, { "glXCreatePixmap", NULL } },
{ (PRFuncPtr*) &xDestroyPixmap, { "glXDestroyPixmap", NULL } },
{ (PRFuncPtr*) &xCreateNewContext, { "glXCreateNewContext", NULL } },
{ (PRFuncPtr*) &xCreatePixmapInternal, { "glXCreatePixmap", NULL } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyPixmap", NULL } },
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateNewContext", NULL } },
{ NULL, { NULL } }
};
LibrarySymbolLoader::SymLoadStruct symbols13_ext[] = {
/* extension equivalents for functions introduced in GLX 1.3 */
// GLX_SGIX_fbconfig extension
{ (PRFuncPtr*) &xChooseFBConfig, { "glXChooseFBConfigSGIX", NULL } },
{ (PRFuncPtr*) &xGetFBConfigAttrib, { "glXGetFBConfigAttribSGIX", NULL } },
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfigSGIX", NULL } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttribSGIX", NULL } },
// WARNING: no xGetFBConfigs equivalent in extensions
{ (PRFuncPtr*) &xGetVisualFromFBConfig, { "glXGetVisualFromFBConfig", NULL } },
{ (PRFuncPtr*) &xGetVisualFromFBConfigInternal, { "glXGetVisualFromFBConfig", NULL } },
// WARNING: different from symbols13:
{ (PRFuncPtr*) &xCreateGLXPixmapWithConfig, { "glXCreateGLXPixmapWithConfigSGIX", NULL } },
{ (PRFuncPtr*) &xDestroyPixmap, { "glXDestroyGLXPixmap", NULL } }, // not from ext
{ (PRFuncPtr*) &xCreateNewContext, { "glXCreateContextWithConfigSGIX", NULL } },
{ (PRFuncPtr*) &xCreateGLXPixmapWithConfigInternal, { "glXCreateGLXPixmapWithConfigSGIX", NULL } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyGLXPixmap", NULL } }, // not from ext
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateContextWithConfigSGIX", NULL } },
{ NULL, { NULL } }
};
LibrarySymbolLoader::SymLoadStruct symbols14[] = {
/* functions introduced in GLX 1.4 */
{ (PRFuncPtr*) &xGetProcAddress, { "glXGetProcAddress", NULL } },
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddress", NULL } },
{ NULL, { NULL } }
};
LibrarySymbolLoader::SymLoadStruct symbols14_ext[] = {
/* extension equivalents for functions introduced in GLX 1.4 */
// GLX_ARB_get_proc_address extension
{ (PRFuncPtr*) &xGetProcAddress, { "glXGetProcAddressARB", NULL } },
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddressARB", NULL } },
{ NULL, { NULL } }
};
LibrarySymbolLoader::SymLoadStruct symbols_texturefrompixmap[] = {
{ (PRFuncPtr*) &xBindTexImage, { "glXBindTexImageEXT", NULL } },
{ (PRFuncPtr*) &xReleaseTexImage, { "glXReleaseTexImageEXT", NULL } },
{ (PRFuncPtr*) &xBindTexImageInternal, { "glXBindTexImageEXT", NULL } },
{ (PRFuncPtr*) &xReleaseTexImageInternal, { "glXReleaseTexImageEXT", NULL } },
{ NULL, { NULL } }
};
@ -235,7 +239,7 @@ GLXLibrary::EnsureInitialized()
if (HasExtension(extensionsStr, "GLX_EXT_texture_from_pixmap") &&
LibrarySymbolLoader::LoadSymbols(mOGLLibrary, symbols_texturefrompixmap,
(LibrarySymbolLoader::PlatformLookupFunction)xGetProcAddress))
(LibrarySymbolLoader::PlatformLookupFunction)&xGetProcAddress))
{
mHasTextureFromPixmap = PR_TRUE;
} else {
@ -341,6 +345,281 @@ GLXLibrary::ReleaseTexImage(GLXPixmap aPixmap)
xReleaseTexImage(display, aPixmap, GLX_FRONT_LEFT_EXT);
}
#ifdef DEBUG
static int (*sOldErrorHandler)(Display *, XErrorEvent *);
ScopedXErrorHandler::ErrorEvent sErrorEvent;
static int GLXErrorHandler(Display *display, XErrorEvent *ev)
{
if (!sErrorEvent.mError.error_code) {
sErrorEvent.mError = *ev;
}
return 0;
}
void
GLXLibrary::BeforeGLXCall()
{
if (mDebug) {
sOldErrorHandler = XSetErrorHandler(GLXErrorHandler);
}
}
void
GLXLibrary::AfterGLXCall()
{
if (mDebug) {
XSync(DefaultXDisplay(), False);
if (sErrorEvent.mError.error_code) {
char buffer[2048];
XGetErrorText(DefaultXDisplay(), sErrorEvent.mError.error_code, buffer, sizeof(buffer));
printf_stderr("X ERROR: %s (%i) - Request: %i.%i, Serial: %i",
buffer,
sErrorEvent.mError.error_code,
sErrorEvent.mError.request_code,
sErrorEvent.mError.minor_code,
sErrorEvent.mError.serial);
NS_ABORT();
}
XSetErrorHandler(sOldErrorHandler);
}
}
#define BEFORE_GLX_CALL do { \
sGLXLibrary.BeforeGLXCall(); \
} while (0)
#define AFTER_GLX_CALL do { \
sGLXLibrary.AfterGLXCall(); \
} while (0)
#else
#define BEFORE_GLX_CALL do { } while(0)
#define AFTER_GLX_CALL do { } while(0)
#endif
void
GLXLibrary::xDestroyContext(Display* display, GLXContext context)
{
BEFORE_GLX_CALL;
xDestroyContextInternal(display, context);
AFTER_GLX_CALL;
}
Bool
GLXLibrary::xMakeCurrent(Display* display,
GLXDrawable drawable,
GLXContext context)
{
BEFORE_GLX_CALL;
Bool result = xMakeCurrentInternal(display, drawable, context);
AFTER_GLX_CALL;
return result;
}
GLXContext
GLXLibrary::xGetCurrentContext()
{
BEFORE_GLX_CALL;
GLXContext result = xGetCurrentContextInternal();
AFTER_GLX_CALL;
return result;
}
/* static */ void*
GLXLibrary::xGetProcAddress(const char *procName)
{
BEFORE_GLX_CALL;
void* result = sGLXLibrary.xGetProcAddressInternal(procName);
AFTER_GLX_CALL;
return result;
}
GLXFBConfig*
GLXLibrary::xChooseFBConfig(Display* display,
int screen,
const int *attrib_list,
int *nelements)
{
BEFORE_GLX_CALL;
GLXFBConfig* result = xChooseFBConfigInternal(display, screen, attrib_list, nelements);
AFTER_GLX_CALL;
return result;
}
GLXFBConfig*
GLXLibrary::xGetFBConfigs(Display* display,
int screen,
int *nelements)
{
BEFORE_GLX_CALL;
GLXFBConfig* result = xGetFBConfigsInternal(display, screen, nelements);
AFTER_GLX_CALL;
return result;
}
GLXContext
GLXLibrary::xCreateNewContext(Display* display,
GLXFBConfig config,
int render_type,
GLXContext share_list,
Bool direct)
{
BEFORE_GLX_CALL;
GLXContext result = xCreateNewContextInternal(display, config,
render_type,
share_list, direct);
AFTER_GLX_CALL;
return result;
}
XVisualInfo*
GLXLibrary::xGetVisualFromFBConfig(Display* display,
GLXFBConfig config)
{
BEFORE_GLX_CALL;
XVisualInfo* result = xGetVisualFromFBConfigInternal(display, config);
AFTER_GLX_CALL;
return result;
}
int
GLXLibrary::xGetFBConfigAttrib(Display *display,
GLXFBConfig config,
int attribute,
int *value)
{
BEFORE_GLX_CALL;
int result = xGetFBConfigAttribInternal(display, config,
attribute, value);
AFTER_GLX_CALL;
return result;
}
void
GLXLibrary::xSwapBuffers(Display *display, GLXDrawable drawable)
{
BEFORE_GLX_CALL;
xSwapBuffersInternal(display, drawable);
AFTER_GLX_CALL;
}
const char *
GLXLibrary::xQueryExtensionsString(Display *display,
int screen)
{
BEFORE_GLX_CALL;
const char *result = xQueryExtensionsStringInternal(display, screen);
AFTER_GLX_CALL;
return result;
}
const char *
GLXLibrary::xGetClientString(Display *display,
int screen)
{
BEFORE_GLX_CALL;
const char *result = xGetClientStringInternal(display, screen);
AFTER_GLX_CALL;
return result;
}
const char *
GLXLibrary::xQueryServerString(Display *display,
int screen, int name)
{
BEFORE_GLX_CALL;
const char *result = xQueryServerStringInternal(display, screen, name);
AFTER_GLX_CALL;
return result;
}
GLXPixmap
GLXLibrary::xCreatePixmap(Display *display,
GLXFBConfig config,
Pixmap pixmap,
const int *attrib_list)
{
BEFORE_GLX_CALL;
GLXPixmap result = xCreatePixmapInternal(display, config,
pixmap, attrib_list);
AFTER_GLX_CALL;
return result;
}
GLXPixmap
GLXLibrary::xCreateGLXPixmapWithConfig(Display *display,
GLXFBConfig config,
Pixmap pixmap)
{
BEFORE_GLX_CALL;
GLXPixmap result = xCreateGLXPixmapWithConfigInternal(display, config, pixmap);
AFTER_GLX_CALL;
return result;
}
void
GLXLibrary::xDestroyPixmap(Display *display, GLXPixmap pixmap)
{
BEFORE_GLX_CALL;
xDestroyPixmapInternal(display, pixmap);
AFTER_GLX_CALL;
}
GLXContext
GLXLibrary::xCreateContext(Display *display,
XVisualInfo *vis,
GLXContext shareList,
Bool direct)
{
BEFORE_GLX_CALL;
GLXContext result = xCreateContextInternal(display, vis, shareList, direct);
AFTER_GLX_CALL;
return result;
}
Bool
GLXLibrary::xQueryVersion(Display *display,
int *major,
int *minor)
{
BEFORE_GLX_CALL;
Bool result = xQueryVersionInternal(display, major, minor);
AFTER_GLX_CALL;
return result;
}
void
GLXLibrary::xBindTexImage(Display *display,
GLXDrawable drawable,
int buffer,
const int *attrib_list)
{
BEFORE_GLX_CALL;
xBindTexImageInternal(display, drawable, buffer, attrib_list);
AFTER_GLX_CALL;
}
void
GLXLibrary::xReleaseTexImage(Display *display,
GLXDrawable drawable,
int buffer)
{
BEFORE_GLX_CALL;
xReleaseTexImageInternal(display, drawable, buffer);
AFTER_GLX_CALL;
}
void
GLXLibrary::xWaitGL()
{
BEFORE_GLX_CALL;
xWaitGLInternal();
AFTER_GLX_CALL;
}
GLXLibrary sGLXLibrary;
class GLContextGLX : public GLContext
@ -466,7 +745,7 @@ TRY_AGAIN_NO_SHARING:
PRBool SetupLookupFunction()
{
mLookupFunc = (PlatformLookupFunction)sGLXLibrary.xGetProcAddress;
mLookupFunc = (PlatformLookupFunction)&GLXLibrary::xGetProcAddress;
return PR_TRUE;
}
@ -1050,3 +1329,4 @@ GLContextProviderGLX::Shutdown()
} /* namespace gl */
} /* namespace mozilla */

235
gfx/thebes/GLXLibrary.h
View File

@ -49,93 +49,63 @@ class GLXLibrary
{
public:
GLXLibrary() : mInitialized(PR_FALSE), mTriedInitializing(PR_FALSE),
mHasTextureFromPixmap(PR_FALSE), mOGLLibrary(nsnull) {}
mHasTextureFromPixmap(PR_FALSE), mDebug(PR_FALSE),
mOGLLibrary(nsnull) {}
typedef void (GLAPIENTRY * PFNGLXDESTROYCONTEXTPROC) (Display*,
GLXContext);
PFNGLXDESTROYCONTEXTPROC xDestroyContext;
typedef Bool (GLAPIENTRY * PFNGLXMAKECURRENTPROC) (Display*,
GLXDrawable,
GLXContext);
PFNGLXMAKECURRENTPROC xMakeCurrent;
typedef GLXContext (GLAPIENTRY * PFNGLXGETCURRENTCONTEXT) ();
PFNGLXGETCURRENTCONTEXT xGetCurrentContext;
typedef void* (GLAPIENTRY * PFNGLXGETPROCADDRESSPROC) (const char *);
PFNGLXGETPROCADDRESSPROC xGetProcAddress;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXCHOOSEFBCONFIG) (Display *,
int,
const int *,
int *);
PFNGLXCHOOSEFBCONFIG xChooseFBConfig;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXGETFBCONFIGS) (Display *,
int,
int *);
PFNGLXGETFBCONFIGS xGetFBConfigs;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATENEWCONTEXT) (Display *,
GLXFBConfig,
int,
GLXContext,
Bool);
PFNGLXCREATENEWCONTEXT xCreateNewContext;
typedef XVisualInfo* (GLAPIENTRY * PFNGLXGETVISUALFROMFBCONFIG) (Display *,
GLXFBConfig);
PFNGLXGETVISUALFROMFBCONFIG xGetVisualFromFBConfig;
typedef int (GLAPIENTRY * PFNGLXGETFBCONFIGATTRIB) (Display *,
GLXFBConfig,
int,
int *);
PFNGLXGETFBCONFIGATTRIB xGetFBConfigAttrib;
typedef void (GLAPIENTRY * PFNGLXSWAPBUFFERS) (Display *,
GLXDrawable);
PFNGLXSWAPBUFFERS xSwapBuffers;
typedef const char * (GLAPIENTRY * PFNGLXQUERYEXTENSIONSSTRING) (Display *,
int);
PFNGLXQUERYEXTENSIONSSTRING xQueryExtensionsString;
typedef const char * (GLAPIENTRY * PFNGLXGETCLIENTSTRING) (Display *,
int);
PFNGLXGETCLIENTSTRING xGetClientString;
typedef const char * (GLAPIENTRY * PFNGLXQUERYSERVERSTRING) (Display *,
int,
int);
PFNGLXQUERYSERVERSTRING xQueryServerString;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEPIXMAP) (Display *,
GLXFBConfig,
Pixmap,
const int *);
PFNGLXCREATEPIXMAP xCreatePixmap;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEGLXPIXMAPWITHCONFIG)
(Display *,
GLXFBConfig,
Pixmap);
PFNGLXCREATEGLXPIXMAPWITHCONFIG xCreateGLXPixmapWithConfig;
typedef void (GLAPIENTRY * PFNGLXDESTROYPIXMAP) (Display *,
GLXPixmap);
PFNGLXDESTROYPIXMAP xDestroyPixmap;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATECONTEXT) (Display *,
XVisualInfo *,
GLXContext,
Bool);
PFNGLXCREATECONTEXT xCreateContext;
typedef Bool (GLAPIENTRY * PFNGLXQUERYVERSION) (Display *,
int *,
int *);
PFNGLXQUERYVERSION xQueryVersion;
typedef void (GLAPIENTRY * PFNGLXBINDTEXIMAGE) (Display *,
GLXDrawable,
int,
const int *);
PFNGLXBINDTEXIMAGE xBindTexImage;
typedef void (GLAPIENTRY * PFNGLXRELEASETEXIMAGE) (Display *,
GLXDrawable,
int);
PFNGLXRELEASETEXIMAGE xReleaseTexImage;
typedef void (GLAPIENTRY * PFNGLXWAITGL) ();
PFNGLXWAITGL xWaitGL;
void xDestroyContext(Display* display, GLXContext context);
Bool xMakeCurrent(Display* display,
GLXDrawable drawable,
GLXContext context);
GLXContext xGetCurrentContext();
static void* xGetProcAddress(const char *procName);
GLXFBConfig* xChooseFBConfig(Display* display,
int screen,
const int *attrib_list,
int *nelements);
GLXFBConfig* xGetFBConfigs(Display* display,
int screen,
int *nelements);
GLXContext xCreateNewContext(Display* display,
GLXFBConfig config,
int render_type,
GLXContext share_list,
Bool direct);
XVisualInfo* xGetVisualFromFBConfig(Display* display,
GLXFBConfig config);
int xGetFBConfigAttrib(Display *display,
GLXFBConfig config,
int attribute,
int *value);
void xSwapBuffers(Display *display, GLXDrawable drawable);
const char * xQueryExtensionsString(Display *display,
int screen);
const char * xGetClientString(Display *display,
int screen);
const char * xQueryServerString(Display *display,
int screen, int name);
GLXPixmap xCreatePixmap(Display *display,
GLXFBConfig config,
Pixmap pixmap,
const int *attrib_list);
GLXPixmap xCreateGLXPixmapWithConfig(Display *display,
GLXFBConfig config,
Pixmap pixmap);
void xDestroyPixmap(Display *display, GLXPixmap pixmap);
GLXContext xCreateContext(Display *display,
XVisualInfo *vis,
GLXContext shareList,
Bool direct);
Bool xQueryVersion(Display *display,
int *major,
int *minor);
void xBindTexImage(Display *display,
GLXDrawable drawable,
int buffer,
const int *attrib_list);
void xReleaseTexImage(Display *display,
GLXDrawable drawable,
int buffer);
void xWaitGL();
PRBool EnsureInitialized();
@ -148,9 +118,102 @@ public:
PRBool SupportsTextureFromPixmap(gfxASurface* aSurface);
private:
typedef void (GLAPIENTRY * PFNGLXDESTROYCONTEXTPROC) (Display*,
GLXContext);
PFNGLXDESTROYCONTEXTPROC xDestroyContextInternal;
typedef Bool (GLAPIENTRY * PFNGLXMAKECURRENTPROC) (Display*,
GLXDrawable,
GLXContext);
PFNGLXMAKECURRENTPROC xMakeCurrentInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXGETCURRENTCONTEXT) ();
PFNGLXGETCURRENTCONTEXT xGetCurrentContextInternal;
typedef void* (GLAPIENTRY * PFNGLXGETPROCADDRESSPROC) (const char *);
PFNGLXGETPROCADDRESSPROC xGetProcAddressInternal;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXCHOOSEFBCONFIG) (Display *,
int,
const int *,
int *);
PFNGLXCHOOSEFBCONFIG xChooseFBConfigInternal;
typedef GLXFBConfig* (GLAPIENTRY * PFNGLXGETFBCONFIGS) (Display *,
int,
int *);
PFNGLXGETFBCONFIGS xGetFBConfigsInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATENEWCONTEXT) (Display *,
GLXFBConfig,
int,
GLXContext,
Bool);
PFNGLXCREATENEWCONTEXT xCreateNewContextInternal;
typedef XVisualInfo* (GLAPIENTRY * PFNGLXGETVISUALFROMFBCONFIG) (Display *,
GLXFBConfig);
PFNGLXGETVISUALFROMFBCONFIG xGetVisualFromFBConfigInternal;
typedef int (GLAPIENTRY * PFNGLXGETFBCONFIGATTRIB) (Display *,
GLXFBConfig,
int,
int *);
PFNGLXGETFBCONFIGATTRIB xGetFBConfigAttribInternal;
typedef void (GLAPIENTRY * PFNGLXSWAPBUFFERS) (Display *,
GLXDrawable);
PFNGLXSWAPBUFFERS xSwapBuffersInternal;
typedef const char * (GLAPIENTRY * PFNGLXQUERYEXTENSIONSSTRING) (Display *,
int);
PFNGLXQUERYEXTENSIONSSTRING xQueryExtensionsStringInternal;
typedef const char * (GLAPIENTRY * PFNGLXGETCLIENTSTRING) (Display *,
int);
PFNGLXGETCLIENTSTRING xGetClientStringInternal;
typedef const char * (GLAPIENTRY * PFNGLXQUERYSERVERSTRING) (Display *,
int,
int);
PFNGLXQUERYSERVERSTRING xQueryServerStringInternal;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEPIXMAP) (Display *,
GLXFBConfig,
Pixmap,
const int *);
PFNGLXCREATEPIXMAP xCreatePixmapInternal;
typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEGLXPIXMAPWITHCONFIG)
(Display *,
GLXFBConfig,
Pixmap);
PFNGLXCREATEGLXPIXMAPWITHCONFIG xCreateGLXPixmapWithConfigInternal;
typedef void (GLAPIENTRY * PFNGLXDESTROYPIXMAP) (Display *,
GLXPixmap);
PFNGLXDESTROYPIXMAP xDestroyPixmapInternal;
typedef GLXContext (GLAPIENTRY * PFNGLXCREATECONTEXT) (Display *,
XVisualInfo *,
GLXContext,
Bool);
PFNGLXCREATECONTEXT xCreateContextInternal;
typedef Bool (GLAPIENTRY * PFNGLXQUERYVERSION) (Display *,
int *,
int *);
PFNGLXQUERYVERSION xQueryVersionInternal;
typedef void (GLAPIENTRY * PFNGLXBINDTEXIMAGE) (Display *,
GLXDrawable,
int,
const int *);
PFNGLXBINDTEXIMAGE xBindTexImageInternal;
typedef void (GLAPIENTRY * PFNGLXRELEASETEXIMAGE) (Display *,
GLXDrawable,
int);
PFNGLXRELEASETEXIMAGE xReleaseTexImageInternal;
typedef void (GLAPIENTRY * PFNGLXWAITGL) ();
PFNGLXWAITGL xWaitGLInternal;
#ifdef DEBUG
void BeforeGLXCall();
void AfterGLXCall();
#endif
PRBool mInitialized;
PRBool mTriedInitializing;
PRBool mHasTextureFromPixmap;
PRBool mDebug;
PRLibrary *mOGLLibrary;
};