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Bug 814159 - disable the global context on EGL altogether - r=jrmuizel

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Was already disabled on Windows, Android, B2G. Only EGL platform remaining was Meego. This simplifies code quite a bit. If this doesn't break things, we can do further dead code removal.
This commit is contained in:
Benoit Jacob 2012-11-22 13:53:11 -05:00
parent fed5b7d525
commit c70efb7365
1 changed files with 3 additions and 28 deletions
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31
gfx/gl/GLContextProviderEGL.cpp
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@ -2601,38 +2601,13 @@ GLContextProviderEGL::CreateOffscreen(const gfxIntSize& aSize,
#endif #endif
} }
GLContext *
GLContextProviderEGL::GetGlobalContext(const ContextFlags)
{
// Don't want a global context on Android as 1) share groups across 2 threads fail on many Tegra drivers (bug 759225) // Don't want a global context on Android as 1) share groups across 2 threads fail on many Tegra drivers (bug 759225)
// and 2) some mobile devices have a very strict limit on global number of GL contexts (bug 754257) // and 2) some mobile devices have a very strict limit on global number of GL contexts (bug 754257)
// and 3) each EGL context eats 750k on B2G (bug 813783) // and 3) each EGL context eats 750k on B2G (bug 813783)
#ifdef ANDROID GLContext *
GLContextProviderEGL::GetGlobalContext(const ContextFlags)
{
return nullptr; return nullptr;
#endif
// Don't want a global context on Windows as we don't use it for WebGL surface sharing and it makes
// context creation fail after a context loss (bug 764578)
#ifdef XP_WIN
return nullptr;
#endif
static bool triedToCreateContext = false;
if (!triedToCreateContext && !gGlobalContext) {
triedToCreateContext = true;
// Don't assign directly to gGlobalContext here, because
// CreateOffscreen can call us re-entrantly.
nsRefPtr<GLContext> ctx =
GLContextProviderEGL::CreateOffscreen(gfxIntSize(16, 16),
ContextFormat(ContextFormat::BasicRGB24),
GLContext::ContextFlagsGlobal);
gGlobalContext = ctx;
if (gGlobalContext)
gGlobalContext->SetIsGlobalSharedContext(true);
}
return gGlobalContext;
} }
void void