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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "webkit/common/gpu/grcontext_for_webgraphicscontext3d.h" | |
| 6 | |
| 7 #include "base/lazy_instance.h" | |
| 8 #include "base/trace_event/trace_event.h" | |
| 9 #include "gpu/blink/webgraphicscontext3d_impl.h" | |
| 10 #include "gpu/command_buffer/client/gles2_lib.h" | |
| 11 #include "third_party/skia/include/gpu/GrContext.h" | |
| 12 #include "third_party/skia/include/gpu/gl/GrGLInterface.h" | |
| 13 | |
| 14 using gpu_blink::WebGraphicsContext3DImpl; | |
| 15 | |
| 16 namespace webkit { | |
| 17 namespace gpu { | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 // Singleton used to initialize and terminate the gles2 library. | |
| 22 class GLES2Initializer { | |
| 23 public: | |
| 24 GLES2Initializer() { gles2::Initialize(); } | |
| 25 | |
| 26 ~GLES2Initializer() { gles2::Terminate(); } | |
| 27 | |
| 28 private: | |
| 29 DISALLOW_COPY_AND_ASSIGN(GLES2Initializer); | |
| 30 }; | |
| 31 | |
| 32 base::LazyInstance<GLES2Initializer> g_gles2_initializer = | |
| 33 LAZY_INSTANCE_INITIALIZER; | |
| 34 | |
| 35 void BindWebGraphicsContext3DGLContextCallback(const GrGLInterface* interface) { | |
| 36 gles2::SetGLContext(reinterpret_cast<WebGraphicsContext3DImpl*>( | |
| 37 interface->fCallbackData)->GetGLInterface()); | |
| 38 } | |
| 39 | |
| 40 } // namespace anonymous | |
| 41 | |
| 42 GrContextForWebGraphicsContext3D::GrContextForWebGraphicsContext3D( | |
| 43 WebGraphicsContext3DImpl* context3d) { | |
| 44 if (!context3d) | |
| 45 return; | |
| 46 | |
| 47 // Ensure the gles2 library is initialized first in a thread safe way. | |
| 48 g_gles2_initializer.Get(); | |
| 49 gles2::SetGLContext(context3d->GetGLInterface()); | |
| 50 skia::RefPtr<GrGLInterface> interface = skia::AdoptRef( | |
| 51 context3d->createGrGLInterface()); | |
| 52 if (!interface) | |
| 53 return; | |
| 54 | |
| 55 interface->fCallback = BindWebGraphicsContext3DGLContextCallback; | |
| 56 interface->fCallbackData = | |
| 57 reinterpret_cast<GrGLInterfaceCallbackData>(context3d); | |
| 58 | |
| 59 gr_context_ = skia::AdoptRef(GrContext::Create( | |
| 60 kOpenGL_GrBackend, | |
| 61 reinterpret_cast<GrBackendContext>(interface.get()))); | |
| 62 if (gr_context_) { | |
| 63 // The limit of the number of GPU resources we hold in the GrContext's | |
| 64 // GPU cache. | |
| 65 static const int kMaxGaneshResourceCacheCount = 2048; | |
| 66 // The limit of the bytes allocated toward GPU resources in the GrContext's | |
| 67 // GPU cache. | |
| 68 static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024; | |
| 69 | |
| 70 gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount, | |
| 71 kMaxGaneshResourceCacheBytes); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 GrContextForWebGraphicsContext3D::~GrContextForWebGraphicsContext3D() { | |
| 76 } | |
| 77 | |
| 78 void GrContextForWebGraphicsContext3D::OnLostContext() { | |
| 79 if (gr_context_) | |
| 80 gr_context_->abandonContext(); | |
| 81 } | |
| 82 | |
| 83 void GrContextForWebGraphicsContext3D::FreeGpuResources() { | |
| 84 if (gr_context_) { | |
| 85 TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", \ | |
| 86 TRACE_EVENT_SCOPE_THREAD); | |
| 87 gr_context_->freeGpuResources(); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 } // namespace gpu | |
| 92 } // namespace webkit | |
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Chromium Code Reviews
Issue 1102673007:
content: Move the remaining source files of webkit/ over here. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master