void CanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) { GLScreenBuffer* screen = aLayer->mGLContext->Screen(); SurfaceStream* stream = screen->Stream(); bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default); bool bufferCreated = false; if (isCrossProcess) { #ifdef MOZ_WIDGET_GONK SharedSurface* surf = stream->SwapConsumer(); if (!surf) { printf_stderr("surf is null post-SwapConsumer!\n"); return; } if (surf->Type() != SharedSurfaceType::Gralloc) { printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!"); MOZ_ASSERT(false); return; } SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf); GrallocTextureClientOGL* grallocTextureClient = static_cast<GrallocTextureClientOGL*>(grallocSurf->GetTextureClient()); // If IPDLActor is null means this TextureClient didn't AddTextureClient yet if (!grallocTextureClient->GetIPDLActor()) { grallocTextureClient->SetTextureFlags(mTextureInfo.mTextureFlags); AddTextureClient(grallocTextureClient); } if (grallocTextureClient->GetIPDLActor()) { GetForwarder()->UseTexture(this, grallocTextureClient); } #else printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!"); MOZ_ASSERT(false); #endif } else { if (!mBuffer) { StreamTextureClientOGL* textureClient = new StreamTextureClientOGL(mTextureInfo.mTextureFlags); textureClient->InitWith(stream); mBuffer = textureClient; bufferCreated = true; } if (bufferCreated && !AddTextureClient(mBuffer)) { mBuffer = nullptr; } if (mBuffer) { GetForwarder()->UseTexture(this, mBuffer); } } aLayer->Painted(); }
void CanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) { aLayer->mGLContext->MakeCurrent(); GLScreenBuffer* screen = aLayer->mGLContext->Screen(); SurfaceStream* stream = nullptr; if (aLayer->mStream) { stream = aLayer->mStream; // Copy our current surface to the current producer surface in our stream, then // call SwapProducer to make a new buffer ready. stream->CopySurfaceToProducer(aLayer->mTextureSurface, aLayer->mFactory); stream->SwapProducer(aLayer->mFactory, gfx::IntSize(aSize.width, aSize.height)); } else { stream = screen->Stream(); } bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default); bool bufferCreated = false; if (isCrossProcess) { #ifdef MOZ_WIDGET_GONK SharedSurface* surf = stream->SwapConsumer(); if (!surf) { printf_stderr("surf is null post-SwapConsumer!\n"); return; } if (surf->Type() != SharedSurfaceType::Gralloc) { printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!"); MOZ_ASSERT(false); return; } SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf); RefPtr<GrallocTextureClientOGL> grallocTextureClient = static_cast<GrallocTextureClientOGL*>(grallocSurf->GetTextureClient()); // If IPDLActor is null means this TextureClient didn't AddTextureClient yet if (!grallocTextureClient->GetIPDLActor()) { grallocTextureClient->SetTextureFlags(mTextureInfo.mTextureFlags); AddTextureClient(grallocTextureClient); } if (grallocTextureClient->GetIPDLActor()) { UseTexture(grallocTextureClient); } if (mBuffer && CompositorChild::ChildProcessHasCompositor()) { // remove old buffer from CompositableHost RefPtr<AsyncTransactionTracker> tracker = new RemoveTextureFromCompositableTracker(); // Hold TextureClient until transaction complete. tracker->SetTextureClient(mBuffer); mBuffer->SetRemoveFromCompositableTracker(tracker); // RemoveTextureFromCompositableAsync() expects CompositorChild's presence. GetForwarder()->RemoveTextureFromCompositableAsync(tracker, this, mBuffer); } mBuffer = grallocTextureClient; #else printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!"); MOZ_ASSERT(false); #endif } else { if (!mBuffer) { StreamTextureClientOGL* textureClient = new StreamTextureClientOGL(mTextureInfo.mTextureFlags); textureClient->InitWith(stream); mBuffer = textureClient; bufferCreated = true; } if (bufferCreated && !AddTextureClient(mBuffer)) { mBuffer = nullptr; } if (mBuffer) { GetForwarder()->UseTexture(this, mBuffer); } } aLayer->Painted(); }