already_AddRefed<gfxXlibSurface>
SurfaceDescriptorX11::OpenForeign() const
{
Display* display = DefaultXDisplay();
Screen* screen = DefaultScreenOfDisplay(display);
RefPtr<gfxXlibSurface> surf;
XRenderPictFormat* pictFormat = GetXRenderPictFormatFromId(display, mFormat);
if (pictFormat) {
surf = new gfxXlibSurface(screen, mId, pictFormat, mSize);
} else {
Visual* visual;
int depth;
FindVisualAndDepth(display, mFormat, &visual, &depth);
if (!visual)
return nullptr;
surf = new gfxXlibSurface(display, mId, visual, mSize);
}
#ifdef GL_PROVIDER_GLX
if (mGLXPixmap)
surf->BindGLXPixmap(mGLXPixmap);
#endif
return surf->CairoStatus() ? nullptr : surf.forget();
}
X11TextureData* X11TextureData::Create(gfx::IntSize aSize,
gfx::SurfaceFormat aFormat,
TextureFlags aFlags,
LayersIPCChannel* aAllocator) {
MOZ_ASSERT(aSize.width >= 0 && aSize.height >= 0);
if (aSize.width <= 0 || aSize.height <= 0 ||
aSize.width > XLIB_IMAGE_SIDE_SIZE_LIMIT ||
aSize.height > XLIB_IMAGE_SIDE_SIZE_LIMIT) {
gfxDebug() << "Asking for X11 surface of invalid size " << aSize.width
<< "x" << aSize.height;
return nullptr;
}
gfxImageFormat imageFormat = SurfaceFormatToImageFormat(aFormat);
RefPtr<gfxASurface> surface =
gfxPlatform::GetPlatform()->CreateOffscreenSurface(aSize, imageFormat);
if (!surface || surface->GetType() != gfxSurfaceType::Xlib) {
NS_ERROR("creating Xlib surface failed!");
return nullptr;
}
gfxXlibSurface* xlibSurface = static_cast<gfxXlibSurface*>(surface.get());
bool crossProcess = !aAllocator->IsSameProcess();
X11TextureData* texture = new X11TextureData(
aSize, aFormat, !!(aFlags & TextureFlags::DEALLOCATE_CLIENT),
crossProcess, xlibSurface);
if (crossProcess) {
FinishX(DefaultXDisplay());
}
return texture;
}
already_AddRefed<GLContext>
GLContextProviderGLX::CreateForNativePixmapSurface(gfxASurface *aSurface)
{
if (!sGLXLibrary.EnsureInitialized()) {
return nsnull;
}
if (aSurface->GetType() != gfxASurface::SurfaceTypeXlib) {
NS_WARNING("GLContextProviderGLX::CreateForNativePixmapSurface called with non-Xlib surface");
return nsnull;
}
nsAutoTArray<int, 20> attribs;
#define A1_(_x) do { attribs.AppendElement(_x); } while(0)
#define A2_(_x,_y) do { \
attribs.AppendElement(_x); \
attribs.AppendElement(_y); \
} while(0)
A2_(GLX_DOUBLEBUFFER, False);
A2_(GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT);
A1_(0);
int numFormats;
Display *display = DefaultXDisplay();
int xscreen = DefaultScreen(display);
ScopedXFree<GLXFBConfig> cfg(sGLXLibrary.xChooseFBConfig(display,
xscreen,
attribs.Elements(),
&numFormats));
if (!cfg) {
return nsnull;
}
NS_ASSERTION(numFormats > 0,
"glXChooseFBConfig() failed to match our requested format and violated its spec (!)");
gfxXlibSurface *xs = static_cast<gfxXlibSurface*>(aSurface);
GLXPixmap glxpixmap = sGLXLibrary.xCreatePixmap(display,
cfg[0],
xs->XDrawable(),
NULL);
nsRefPtr<GLContextGLX> glContext = GLContextGLX::CreateGLContext(ContextFormat(ContextFormat::BasicRGB24),
display,
glxpixmap,
cfg[0],
NULL,
NULL,
PR_FALSE,
xs);
if (!glContext->Init()) {
return nsnull;
}
return glContext.forget();
}
void
GLXLibrary::DestroyPixmap(GLXPixmap aPixmap)
{
if (!mUseTextureFromPixmap) {
return;
}
Display *display = DefaultXDisplay();
xDestroyPixmap(display, aPixmap);
}
void
GLXLibrary::ReleaseTexImage(GLXPixmap aPixmap)
{
if (!mUseTextureFromPixmap) {
return;
}
Display *display = DefaultXDisplay();
xReleaseTexImage(display, aPixmap, LOCAL_GLX_FRONT_LEFT_EXT);
}
void
GLXLibrary::AfterGLXCall()
{
if (mDebug) {
FinishX(DefaultXDisplay());
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);
}
}
bool
X11DataTextureSourceBasic::Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion,
gfx::IntPoint* aSrcOffset)
{
// Reallocate our internal X11 surface if we don't have a DrawTarget yet,
// or if we changed surface size or format since last update.
if (!mBufferDrawTarget ||
(aSurface->GetSize() != mBufferDrawTarget->GetSize()) ||
(aSurface->GetFormat() != mBufferDrawTarget->GetFormat())) {
nsRefPtr<gfxASurface> surf;
gfxImageFormat imageFormat = SurfaceFormatToImageFormat(aSurface->GetFormat());
Display *display = DefaultXDisplay();
Screen *screen = DefaultScreenOfDisplay(display);
XRenderPictFormat *xrenderFormat =
gfxXlibSurface::FindRenderFormat(display, imageFormat);
if (xrenderFormat) {
surf = gfxXlibSurface::Create(screen, xrenderFormat,
ThebesIntSize(aSurface->GetSize()));
}
if (!surf) {
NS_WARNING("Couldn't create native surface, fallback to image surface");
surf = new gfxImageSurface(ThebesIntSize(aSurface->GetSize()), imageFormat);
}
mBufferDrawTarget = gfxPlatform::GetPlatform()->
CreateDrawTargetForSurface(surf, aSurface->GetSize());
}
// Image contents have changed, upload to our DrawTarget
// If aDestRegion is null, means we're updating the whole surface
// Note : Incremental update with a source offset is only used on Mac.
NS_ASSERTION(!aSrcOffset, "SrcOffset should not be used with linux OMTC basic");
if (aDestRegion) {
nsIntRegionRectIterator iter(*aDestRegion);
while (const nsIntRect* iterRect = iter.Next()) {
IntRect srcRect(iterRect->x, iterRect->y, iterRect->width, iterRect->height);
IntPoint dstPoint(iterRect->x, iterRect->y);
// We're uploading regions to our buffer, so let's just copy contents over
mBufferDrawTarget->CopySurface(aSurface, srcRect, dstPoint);
}
} else {
// We're uploading the whole buffer, so let's just copy the full surface
IntSize size = aSurface->GetSize();
mBufferDrawTarget->CopySurface(aSurface, IntRect(0, 0, size.width, size.height),
IntPoint(0, 0));
}
return true;
}
already_AddRefed<gfxXlibSurface>
SurfaceDescriptorX11::OpenForeign() const
{
Display* display = DefaultXDisplay();
Screen* screen = DefaultScreenOfDisplay(display);
XRenderPictFormat* format = GetXRenderPictFormatFromId(display, mFormat);
nsRefPtr<gfxXlibSurface> surf =
new gfxXlibSurface(screen, mId, format, mSize);
return surf->CairoStatus() ? nsnull : surf.forget();
}
/*static*/ void
ShadowLayerForwarder::PlatformSyncBeforeUpdate()
{
if (UsingXCompositing()) {
// If we're using X surfaces, then we need to finish all pending
// operations on the back buffers before handing them to the
// parent, otherwise the surface might be used by the parent's
// Display in between two operations queued by our Display.
FinishX(DefaultXDisplay());
}
}
/*static*/ void
LayerManagerComposite::PlatformSyncBeforeReplyUpdate()
{
if (UsingXCompositing()) {
// If we're using X surfaces, we need to finish all pending
// operations on the *front buffers* before handing them back to
// the child, even though they will be read operations.
// Otherwise, the child might start scribbling on new back buffers
// that are still participating in requests as old front buffers.
FinishX(DefaultXDisplay());
}
}
void
GLXLibrary::BindTexImage(GLXPixmap aPixmap)
{
if (!mUseTextureFromPixmap) {
return;
}
Display *display = DefaultXDisplay();
// Make sure all X drawing to the surface has finished before binding to a texture.
if (mClientIsMesa) {
// Using XSync instead of Mesa's glXWaitX, because its glxWaitX is a
// noop when direct rendering unless the current drawable is a
// single-buffer window.
FinishX(display);
} else {
xWaitX();
}
xBindTexImage(display, aPixmap, LOCAL_GLX_FRONT_LEFT_EXT, nullptr);
}
/* static */
UniquePtr<SharedSurface_GLXDrawable>
SharedSurface_GLXDrawable::Create(GLContext* prodGL,
const SurfaceCaps& caps,
const gfx::IntSize& size,
bool deallocateClient,
bool inSameProcess)
{
UniquePtr<SharedSurface_GLXDrawable> ret;
Display* display = DefaultXDisplay();
Screen* screen = XDefaultScreenOfDisplay(display);
Visual* visual = gfxXlibSurface::FindVisual(screen, gfxImageFormat::ARGB32);
RefPtr<gfxXlibSurface> surf = gfxXlibSurface::Create(screen, visual, size);
if (!deallocateClient)
surf->ReleasePixmap();
ret.reset(new SharedSurface_GLXDrawable(prodGL, size, inSameProcess, surf));
return Move(ret);
}
already_AddRefed<gfxXlibSurface>
SurfaceDescriptorX11::OpenForeign() const
{
Display* display = DefaultXDisplay();
Screen* screen = DefaultScreenOfDisplay(display);
nsRefPtr<gfxXlibSurface> surf;
XRenderPictFormat* pictFormat = GetXRenderPictFormatFromId(display, mFormat);
if (pictFormat) {
surf = new gfxXlibSurface(screen, mId, pictFormat, mSize);
} else {
Visual* visual = NULL;
unsigned int depth;
XVisualIDToInfo(display, mFormat, &visual, &depth);
if (!visual)
return nsnull;
surf = new gfxXlibSurface(display, mId, visual, mSize);
}
return surf->CairoStatus() ? nsnull : surf.forget();
}
already_AddRefed<gfxXlibSurface>
SurfaceDescriptorX11::OpenForeign() const
{
Display* display = DefaultXDisplay();
Screen* screen = DefaultScreenOfDisplay(display);
nsRefPtr<gfxXlibSurface> surf;
XRenderPictFormat* pictFormat = GetXRenderPictFormatFromId(display, mFormat);
if (pictFormat) {
surf = new gfxXlibSurface(screen, mId, pictFormat, gfx::ThebesIntSize(mSize));
} else {
Visual* visual;
int depth;
FindVisualAndDepth(display, mFormat, &visual, &depth);
if (!visual)
return nullptr;
surf = new gfxXlibSurface(display, mId, visual, gfx::ThebesIntSize(mSize));
}
return surf->CairoStatus() ? nullptr : surf.forget();
}
static already_AddRefed<GLContextGLX>
CreateOffscreenPixmapContext(const gfxIntSize& size, LibType libToUse)
{
GLXLibrary& glx = sGLXLibrary[libToUse];
if (!glx.EnsureInitialized(libToUse)) {
return nullptr;
}
Display *display = DefaultXDisplay();
int xscreen = DefaultScreen(display);
int attribs[] = {
LOCAL_GLX_DRAWABLE_TYPE, LOCAL_GLX_PIXMAP_BIT,
LOCAL_GLX_X_RENDERABLE, True,
0
};
int numConfigs = 0;
ScopedXFree<GLXFBConfig> cfgs;
cfgs = glx.xChooseFBConfig(display,
xscreen,
attribs,
&numConfigs);
if (!cfgs) {
return nullptr;
}
MOZ_ASSERT(numConfigs > 0,
"glXChooseFBConfig() failed to match our requested format and violated its spec!");
int visid = None;
int chosenIndex = 0;
for (int i = 0; i < numConfigs; ++i) {
int dtype;
if (glx.xGetFBConfigAttrib(display, cfgs[i], LOCAL_GLX_DRAWABLE_TYPE, &dtype) != Success
|| !(dtype & LOCAL_GLX_PIXMAP_BIT))
{
continue;
}
if (glx.xGetFBConfigAttrib(display, cfgs[i], LOCAL_GLX_VISUAL_ID, &visid) != Success
|| visid == 0)
{
continue;
}
chosenIndex = i;
break;
}
if (!visid) {
NS_WARNING("glXChooseFBConfig() didn't give us any configs with visuals!");
return nullptr;
}
Visual *visual;
int depth;
FindVisualAndDepth(display, visid, &visual, &depth);
ScopedXErrorHandler xErrorHandler;
GLXPixmap glxpixmap = 0;
bool error = false;
gfxIntSize dummySize(16, 16);
nsRefPtr<gfxXlibSurface> xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(display),
visual,
dummySize);
if (xsurface->CairoStatus() != 0) {
error = true;
goto DONE_CREATING_PIXMAP;
}
// Handle slightly different signature between glXCreatePixmap and
// its pre-GLX-1.3 extension equivalent (though given the ABI, we
// might not need to).
if (glx.GLXVersionCheck(1, 3)) {
glxpixmap = glx.xCreatePixmap(display,
cfgs[chosenIndex],
xsurface->XDrawable(),
nullptr);
} else {
glxpixmap = glx.xCreateGLXPixmapWithConfig(display,
cfgs[chosenIndex],
xsurface->
XDrawable());
}
if (glxpixmap == 0) {
error = true;
}
DONE_CREATING_PIXMAP:
nsRefPtr<GLContextGLX> glContext;
bool serverError = xErrorHandler.SyncAndGetError(display);
if (!error && // earlier recorded error
!serverError)
{
ContextFlags flag = libToUse == GLXLibrary::MESA_LLVMPIPE_LIB
? ContextFlagsMesaLLVMPipe
: ContextFlagsNone;
// We might have an alpha channel, but it doesn't matter.
SurfaceCaps dummyCaps = SurfaceCaps::Any();
GLContextGLX* shareContext = GetGlobalContextGLX(flag);
glContext = GLContextGLX::CreateGLContext(dummyCaps,
shareContext,
true,
display,
glxpixmap,
cfgs[chosenIndex],
true,
libToUse,
xsurface);
}
return glContext.forget();
}
static already_AddRefed<GLContextGLX>
CreateOffscreenPixmapContext(const gfxIntSize& aSize,
const ContextFormat& aFormat,
PRBool aShare)
{
if (!sGLXLibrary.EnsureInitialized()) {
return nsnull;
}
Display *display = DefaultXDisplay();
int xscreen = DefaultScreen(display);
int attribs[] = {
GLX_DOUBLEBUFFER, False,
GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
GLX_X_RENDERABLE, True,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_ALPHA_SIZE, 0,
GLX_DEPTH_SIZE, 0,
0
};
int numConfigs = 0;
ScopedXFree<GLXFBConfig> cfgs;
cfgs = sGLXLibrary.xChooseFBConfig(display,
xscreen,
attribs,
&numConfigs);
if (!cfgs) {
return nsnull;
}
NS_ASSERTION(numConfigs > 0,
"glXChooseFBConfig() failed to match our requested format and violated its spec (!)");
ScopedXFree<XVisualInfo> vinfo;
int chosenIndex;
for (int i = 0; i < numConfigs; ++i) {
int dtype, visid;
if (sGLXLibrary.xGetFBConfigAttrib(display, cfgs[i], GLX_DRAWABLE_TYPE, &dtype) != Success
|| !(dtype & GLX_PIXMAP_BIT))
{
continue;
}
if (sGLXLibrary.xGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &visid) != Success
|| visid == 0)
{
continue;
}
vinfo = sGLXLibrary.xGetVisualFromFBConfig(display, cfgs[i]);
if (vinfo) {
chosenIndex = i;
break;
}
}
if (!vinfo) {
NS_WARNING("glXChooseFBConfig() didn't give us any configs with visuals!");
return nsnull;
}
nsRefPtr<gfxXlibSurface> xsurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(display),
vinfo->visual,
gfxIntSize(16, 16));
if (xsurface->CairoStatus() != 0) {
return nsnull;
}
GLXPixmap glxpixmap = sGLXLibrary.xCreatePixmap(display,
cfgs[chosenIndex],
xsurface->XDrawable(),
NULL);
if (glxpixmap == 0) {
return nsnull;
}
GLContextGLX *shareContext = aShare ? GetGlobalContextGLX() : nsnull;
nsRefPtr<GLContextGLX> glContext = GLContextGLX::CreateGLContext(aFormat,
display,
glxpixmap,
cfgs[chosenIndex],
vinfo,
shareContext,
PR_TRUE,
xsurface);
return glContext.forget();
}
PRBool
GLXLibrary::EnsureInitialized()
{
if (mInitialized) {
return PR_TRUE;
}
if (!mOGLLibrary) {
mOGLLibrary = PR_LoadLibrary("libGL.so.1");
if (!mOGLLibrary) {
NS_WARNING("Couldn't load OpenGL shared library.");
return PR_FALSE;
}
}
LibrarySymbolLoader::SymLoadStruct symbols[] = {
{ (PRFuncPtr*) &xDeleteContext, { "glXDestroyContext", NULL } },
{ (PRFuncPtr*) &xMakeCurrent, { "glXMakeCurrent", NULL } },
{ (PRFuncPtr*) &xGetProcAddress, { "glXGetProcAddress", NULL } },
{ (PRFuncPtr*) &xChooseVisual, { "glXChooseVisual", NULL } },
{ (PRFuncPtr*) &xChooseFBConfig, { "glXChooseFBConfig", NULL } },
{ (PRFuncPtr*) &xGetFBConfigs, { "glXGetFBConfigs", NULL } },
{ (PRFuncPtr*) &xCreatePbuffer, { "glXCreatePbuffer", NULL } },
{ (PRFuncPtr*) &xCreateNewContext, { "glXCreateNewContext", NULL } },
{ (PRFuncPtr*) &xDestroyPbuffer, { "glXDestroyPbuffer", NULL } },
{ (PRFuncPtr*) &xGetVisualFromFBConfig, { "glXGetVisualFromFBConfig", NULL } },
{ (PRFuncPtr*) &xGetFBConfigAttrib, { "glXGetFBConfigAttrib", NULL } },
{ (PRFuncPtr*) &xSwapBuffers, { "glXSwapBuffers", NULL } },
{ (PRFuncPtr*) &xQueryServerString, { "glXQueryServerString", NULL } },
{ (PRFuncPtr*) &xCreatePixmap, { "glXCreatePixmap", NULL } },
{ (PRFuncPtr*) &xDestroyPixmap, { "glXDestroyPixmap", NULL } },
{ (PRFuncPtr*) &xGetClientString, { "glXGetClientString", NULL } },
{ (PRFuncPtr*) &xCreateContext, { "glXCreateContext", NULL } },
{ NULL, { NULL } }
};
if (!LibrarySymbolLoader::LoadSymbols(mOGLLibrary, &symbols[0])) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return PR_FALSE;
}
const char *vendor = xQueryServerString(DefaultXDisplay(),
DefaultScreen(DefaultXDisplay()),
GLX_VENDOR);
const char *serverVersionStr = xQueryServerString(DefaultXDisplay(),
DefaultScreen(DefaultXDisplay()),
GLX_VERSION);
const char *clientVersionStr = xGetClientString(DefaultXDisplay(),
GLX_VERSION);
int serverVersion = 0, clientVersion = 0;
if (serverVersionStr &&
strlen(serverVersionStr) >= 3 &&
serverVersionStr[1] == '.')
{
serverVersion = (serverVersionStr[0] - '0') << 8 | (serverVersionStr[2] - '0');
}
if (clientVersionStr &&
strlen(clientVersionStr) >= 3 &&
clientVersionStr[1] == '.')
{
clientVersion = (clientVersionStr[0] - '0') << 8 | (clientVersionStr[2] - '0');
}
gGLXVersion = PR_MIN(clientVersion, serverVersion);
if (gGLXVersion < 0x0103)
return PR_FALSE;
gIsATI = vendor && strstr(vendor, "ATI");
gIsChromium = (vendor && strstr(vendor, "Chromium")) ||
(serverVersion && strstr(serverVersionStr, "Chromium"));
mInitialized = PR_TRUE;
return PR_TRUE;
}
bool
GLXLibrary::EnsureInitialized(LibType libType)
{
if (mInitialized) {
return true;
}
// Don't repeatedly try to initialize.
if (mTriedInitializing) {
return false;
}
mTriedInitializing = true;
// Force enabling s3 texture compression. (Bug 774134)
PR_SetEnv("force_s3tc_enable=true");
if (!mOGLLibrary) {
const char* libGLfilename = nullptr;
bool forceFeatureReport = false;
switch (libType) {
case MESA_LLVMPIPE_LIB:
libGLfilename = "mesallvmpipe.so";
forceFeatureReport = true;
break;
case OPENGL_LIB:
// see e.g. bug 608526: it is intrinsically interesting to know whether we have dynamically linked to libGL.so.1
// because at least the NVIDIA implementation requires an executable stack, which causes mprotect calls,
// which trigger glibc bug http://sourceware.org/bugzilla/show_bug.cgi?id=12225
#ifdef __OpenBSD__
libGLfilename = "libGL.so";
#else
libGLfilename = "libGL.so.1";
#endif
break;
default:
MOZ_CRASH("Invalid GLX library type.");
}
ScopedGfxFeatureReporter reporter(libGLfilename, forceFeatureReport);
mOGLLibrary = PR_LoadLibrary(libGLfilename);
if (!mOGLLibrary) {
NS_WARNING("Couldn't load OpenGL shared library.");
return false;
}
reporter.SetSuccessful();
}
if (PR_GetEnv("MOZ_GLX_DEBUG")) {
mDebug = true;
}
GLLibraryLoader::SymLoadStruct symbols[] = {
/* functions that were in GLX 1.0 */
{ (PRFuncPtr*) &xDestroyContextInternal, { "glXDestroyContext", nullptr } },
{ (PRFuncPtr*) &xMakeCurrentInternal, { "glXMakeCurrent", nullptr } },
{ (PRFuncPtr*) &xSwapBuffersInternal, { "glXSwapBuffers", nullptr } },
{ (PRFuncPtr*) &xQueryVersionInternal, { "glXQueryVersion", nullptr } },
{ (PRFuncPtr*) &xGetCurrentContextInternal, { "glXGetCurrentContext", nullptr } },
{ (PRFuncPtr*) &xWaitGLInternal, { "glXWaitGL", nullptr } },
{ (PRFuncPtr*) &xWaitXInternal, { "glXWaitX", nullptr } },
/* functions introduced in GLX 1.1 */
{ (PRFuncPtr*) &xQueryExtensionsStringInternal, { "glXQueryExtensionsString", nullptr } },
{ (PRFuncPtr*) &xGetClientStringInternal, { "glXGetClientString", nullptr } },
{ (PRFuncPtr*) &xQueryServerStringInternal, { "glXQueryServerString", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols13[] = {
/* functions introduced in GLX 1.3 */
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfig", nullptr } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttrib", nullptr } },
// WARNING: xGetFBConfigs not set in symbols13_ext
{ (PRFuncPtr*) &xGetFBConfigsInternal, { "glXGetFBConfigs", nullptr } },
// WARNING: symbols13_ext sets xCreateGLXPixmapWithConfig instead
{ (PRFuncPtr*) &xCreatePixmapInternal, { "glXCreatePixmap", nullptr } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyPixmap", nullptr } },
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateNewContext", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols13_ext[] = {
/* extension equivalents for functions introduced in GLX 1.3 */
// GLX_SGIX_fbconfig extension
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfigSGIX", nullptr } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttribSGIX", nullptr } },
// WARNING: no xGetFBConfigs equivalent in extensions
// WARNING: different from symbols13:
{ (PRFuncPtr*) &xCreateGLXPixmapWithConfigInternal, { "glXCreateGLXPixmapWithConfigSGIX", nullptr } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyGLXPixmap", nullptr } }, // not from ext
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateContextWithConfigSGIX", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols14[] = {
/* functions introduced in GLX 1.4 */
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddress", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols14_ext[] = {
/* extension equivalents for functions introduced in GLX 1.4 */
// GLX_ARB_get_proc_address extension
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddressARB", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols_texturefrompixmap[] = {
{ (PRFuncPtr*) &xBindTexImageInternal, { "glXBindTexImageEXT", nullptr } },
{ (PRFuncPtr*) &xReleaseTexImageInternal, { "glXReleaseTexImageEXT", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols_robustness[] = {
{ (PRFuncPtr*) &xCreateContextAttribsInternal, { "glXCreateContextAttribsARB", nullptr } },
{ nullptr, { nullptr } }
};
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, &symbols[0])) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
Display *display = DefaultXDisplay();
int screen = DefaultScreen(display);
if (!xQueryVersion(display, &mGLXMajorVersion, &mGLXMinorVersion)) {
mGLXMajorVersion = 0;
mGLXMinorVersion = 0;
return false;
}
if (!GLXVersionCheck(1, 1))
// Not possible to query for extensions.
return false;
const char *clientVendor = xGetClientString(display, LOCAL_GLX_VENDOR);
const char *serverVendor = xQueryServerString(display, screen, LOCAL_GLX_VENDOR);
const char *extensionsStr = xQueryExtensionsString(display, screen);
GLLibraryLoader::SymLoadStruct *sym13;
if (!GLXVersionCheck(1, 3)) {
// Even if we don't have 1.3, we might have equivalent extensions
// (as on the Intel X server).
if (!HasExtension(extensionsStr, "GLX_SGIX_fbconfig")) {
return false;
}
sym13 = symbols13_ext;
} else {
sym13 = symbols13;
}
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, sym13)) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
GLLibraryLoader::SymLoadStruct *sym14;
if (!GLXVersionCheck(1, 4)) {
// Even if we don't have 1.4, we might have equivalent extensions
// (as on the Intel X server).
if (!HasExtension(extensionsStr, "GLX_ARB_get_proc_address")) {
return false;
}
sym14 = symbols14_ext;
} else {
sym14 = symbols14;
}
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, sym14)) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
if (HasExtension(extensionsStr, "GLX_EXT_texture_from_pixmap") &&
GLLibraryLoader::LoadSymbols(mOGLLibrary, symbols_texturefrompixmap,
(GLLibraryLoader::PlatformLookupFunction)&xGetProcAddress))
{
#ifdef MOZ_WIDGET_GTK
mUseTextureFromPixmap = gfxPlatformGtk::GetPlatform()->UseXRender();
#else
mUseTextureFromPixmap = true;
#endif
} else {
mUseTextureFromPixmap = false;
NS_WARNING("Texture from pixmap disabled");
}
if (HasExtension(extensionsStr, "GLX_ARB_create_context_robustness") &&
GLLibraryLoader::LoadSymbols(mOGLLibrary, symbols_robustness)) {
mHasRobustness = true;
}
mIsATI = serverVendor && DoesStringMatch(serverVendor, "ATI");
mIsNVIDIA = serverVendor && DoesStringMatch(serverVendor, "NVIDIA Corporation");
mClientIsMesa = clientVendor && DoesStringMatch(clientVendor, "Mesa");
mInitialized = true;
mLibType = libType;
return true;
}
void X11TextureData::Unlock() {
if (mSurface && mIsCrossProcess) {
FinishX(DefaultXDisplay());
}
}
void
X11BasicCompositor::EndFrame()
{
BasicCompositor::EndFrame();
XFlush(DefaultXDisplay());
}
