void
ClientCanvasLayer::Initialize(const Data& aData)
{
CopyableCanvasLayer::Initialize(aData);
mCanvasClient = nullptr;
if (!mGLContext)
return;
GLScreenBuffer* screen = mGLContext->Screen();
SurfaceCaps caps;
if (mGLFrontbuffer) {
// The screen caps are irrelevant if we're using a separate frontbuffer.
caps = mGLFrontbuffer->mHasAlpha ? SurfaceCaps::ForRGBA()
: SurfaceCaps::ForRGB();
} else {
MOZ_ASSERT(screen);
caps = screen->mCaps;
}
MOZ_ASSERT(caps.alpha == aData.mHasAlpha);
UniquePtr<SurfaceFactory> factory;
if (!gfxPrefs::WebGLForceLayersReadback()) {
switch (ClientManager()->AsShadowForwarder()->GetCompositorBackendType()) {
case mozilla::layers::LayersBackend::LAYERS_OPENGL: {
if (mGLContext->GetContextType() == GLContextType::EGL) {
#ifdef MOZ_WIDGET_GONK
TextureFlags flags = TextureFlags::DEALLOCATE_CLIENT |
TextureFlags::ORIGIN_BOTTOM_LEFT;
if (!aData.mIsGLAlphaPremult) {
flags |= TextureFlags::NON_PREMULTIPLIED;
}
factory = MakeUnique<SurfaceFactory_Gralloc>(mGLContext,
caps,
flags,
ClientManager()->AsShadowForwarder());
#else
bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default);
if (!isCrossProcess) {
// [Basic/OGL Layers, OMTC] WebGL layer init.
factory = SurfaceFactory_EGLImage::Create(mGLContext, caps);
} else {
// we could do readback here maybe
NS_NOTREACHED("isCrossProcess but not on native B2G!");
}
#endif
} else {
// [Basic Layers, OMTC] WebGL layer init.
// Well, this *should* work...
#ifdef XP_MACOSX
factory = SurfaceFactory_IOSurface::Create(mGLContext, caps);
#else
GLContext* nullConsGL = nullptr; // Bug 1050044.
factory = MakeUnique<SurfaceFactory_GLTexture>(mGLContext, nullConsGL, caps);
#endif
}
break;
}
case mozilla::layers::LayersBackend::LAYERS_D3D11: {
#ifdef XP_WIN
if (mGLContext->IsANGLE() && DoesD3D11TextureSharingWork(gfxWindowsPlatform::GetPlatform()->GetD3D11Device())) {
factory = SurfaceFactory_ANGLEShareHandle::Create(mGLContext, caps);
}
#endif
break;
}
default:
break;
}
}
if (mGLFrontbuffer) {
// We're using a source other than the one in the default screen.
// (SkiaGL)
mFactory = Move(factory);
if (!mFactory) {
// Absolutely must have a factory here, so create a basic one
mFactory = MakeUnique<SurfaceFactory_Basic>(mGLContext, caps);
}
} else {
if (factory)
screen->Morph(Move(factory));
}
}
void
ClientCanvasLayer::Initialize(const Data& aData)
{
CopyableCanvasLayer::Initialize(aData);
mCanvasClient = nullptr;
if (!mGLContext)
return;
GLScreenBuffer* screen = mGLContext->Screen();
SurfaceCaps caps;
if (mGLFrontbuffer) {
// The screen caps are irrelevant if we're using a separate frontbuffer.
caps = mGLFrontbuffer->mHasAlpha ? SurfaceCaps::ForRGBA()
: SurfaceCaps::ForRGB();
} else {
MOZ_ASSERT(screen);
caps = screen->mCaps;
}
MOZ_ASSERT(caps.alpha == aData.mHasAlpha);
auto forwarder = ClientManager()->AsShadowForwarder();
mFlags = TextureFlags::ORIGIN_BOTTOM_LEFT;
if (!aData.mIsGLAlphaPremult) {
mFlags |= TextureFlags::NON_PREMULTIPLIED;
}
UniquePtr<SurfaceFactory> factory;
if (!gfxPrefs::WebGLForceLayersReadback()) {
switch (forwarder->GetCompositorBackendType()) {
case mozilla::layers::LayersBackend::LAYERS_OPENGL: {
#if defined(XP_MACOSX)
factory = SurfaceFactory_IOSurface::Create(mGLContext, caps, forwarder, mFlags);
#elif defined(MOZ_WIDGET_GONK)
factory = MakeUnique<SurfaceFactory_Gralloc>(mGLContext, caps, forwarder, mFlags);
#else
if (mGLContext->GetContextType() == GLContextType::EGL) {
bool isCrossProcess = (XRE_GetProcessType() != GeckoProcessType_Default);
if (!isCrossProcess) {
factory = SurfaceFactory_EGLImage::Create(mGLContext, caps, forwarder,
mFlags);
}
}
#endif
break;
}
case mozilla::layers::LayersBackend::LAYERS_D3D11: {
#ifdef XP_WIN
if (mGLContext->IsANGLE() &&
DoesD3D11TextureSharingWork(gfxWindowsPlatform::GetPlatform()->GetD3D11Device()))
{
factory = SurfaceFactory_ANGLEShareHandle::Create(mGLContext, caps, forwarder,
mFlags);
}
#endif
break;
}
default:
break;
}
}
if (mGLFrontbuffer) {
// We're using a source other than the one in the default screen.
// (SkiaGL)
mFactory = Move(factory);
if (!mFactory) {
// Absolutely must have a factory here, so create a basic one
mFactory = MakeUnique<SurfaceFactory_Basic>(mGLContext, caps, mFlags);
}
} else {
if (factory)
screen->Morph(Move(factory));
}
}
