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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/gpu/context_provider_in_process.h" | |
| 6 | |
| 7 #include "webkit/gpu/grcontext_for_webgraphicscontext3d.h" | |
| 8 | |
| 9 namespace webkit { | |
| 10 namespace gpu { | |
| 11 | |
| 12 class ContextProviderInProcess::LostContextCallbackProxy | |
| 13 : public WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback { | |
| 14 public: | |
| 15 explicit LostContextCallbackProxy(ContextProviderInProcess* provider) | |
| 16 : provider_(provider) { | |
| 17 provider_->context3d_->setContextLostCallback(this); | |
| 18 } | |
| 19 | |
| 20 virtual void onContextLost() { | |
| 21 provider_->OnLostContextInternal(); | |
| 22 } | |
| 23 | |
| 24 private: | |
| 25 ContextProviderInProcess* provider_; | |
| 26 }; | |
| 27 | |
| 28 class ContextProviderInProcess::MemoryAllocationCallbackProxy | |
| 29 : public WebKit::WebGraphicsContext3D:: | |
| 30 WebGraphicsMemoryAllocationChangedCallbackCHROMIUM { | |
| 31 public: | |
| 32 explicit MemoryAllocationCallbackProxy(ContextProviderInProcess* provider) | |
| 33 : provider_(provider) { | |
| 34 provider_->context3d_->setMemoryAllocationChangedCallbackCHROMIUM(this); | |
| 35 } | |
| 36 | |
| 37 virtual void onMemoryAllocationChanged( | |
| 38 WebKit::WebGraphicsMemoryAllocation alloc) { | |
| 39 provider_->OnMemoryAllocationChanged(!!alloc.gpuResourceSizeInBytes); | |
| 40 } | |
| 41 | |
| 42 private: | |
| 43 ContextProviderInProcess* provider_; | |
| 44 }; | |
| 45 | |
| 46 ContextProviderInProcess::ContextProviderInProcess() | |
| 47 : destroyed_(false) { | |
| 48 } | |
| 49 | |
| 50 ContextProviderInProcess::~ContextProviderInProcess() {} | |
| 51 | |
| 52 bool ContextProviderInProcess::InitializeOnMainThread() { | |
| 53 DCHECK(!context3d_); | |
| 54 | |
| 55 WebKit::WebGraphicsContext3D::Attributes attributes; | |
| 56 attributes.depth = false; | |
| 57 attributes.stencil = true; | |
| 58 attributes.antialias = false; | |
| 59 attributes.shareResources = true; | |
| 60 attributes.noAutomaticFlushes = true; | |
| 61 | |
| 62 using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl; | |
| 63 context3d_.reset( | |
| 64 WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext( | |
| 65 attributes)); | |
| 66 | |
| 67 return context3d_; | |
| 68 } | |
| 69 | |
| 70 bool ContextProviderInProcess::BindToCurrentThread() { | |
| 71 DCHECK(context3d_); | |
| 72 | |
| 73 if (lost_context_callback_proxy_) | |
| 74 return true; | |
| 75 | |
| 76 if (!context3d_->makeContextCurrent()) | |
| 77 return false; | |
| 78 | |
| 79 lost_context_callback_proxy_.reset(new LostContextCallbackProxy(this)); | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 WebKit::WebGraphicsContext3D* ContextProviderInProcess::Context3d() { | |
| 84 DCHECK(context3d_); | |
| 85 DCHECK(lost_context_callback_proxy_); // Is bound to thread. | |
| 86 | |
| 87 return context3d_.get(); | |
| 88 } | |
| 89 | |
| 90 class GrContext* ContextProviderInProcess::GrContext() { | |
| 91 DCHECK(context3d_); | |
| 92 DCHECK(lost_context_callback_proxy_); // Is bound to thread. | |
| 93 | |
| 94 if (gr_context_) | |
| 95 return gr_context_->get(); | |
| 96 | |
| 97 gr_context_.reset( | |
| 98 new webkit::gpu::GrContextForWebGraphicsContext3D(context3d_.get())); | |
| 99 memory_allocation_callback_proxy_.reset( | |
| 100 new MemoryAllocationCallbackProxy(this)); | |
| 101 return gr_context_->get(); | |
| 102 } | |
| 103 | |
| 104 void ContextProviderInProcess::VerifyContexts() { | |
| 105 DCHECK(context3d_); | |
| 106 DCHECK(lost_context_callback_proxy_); // Is bound to thread. | |
| 107 | |
| 108 if (context3d_->isContextLost()) | |
| 109 OnLostContextInternal(); | |
| 110 } | |
| 111 | |
| 112 void ContextProviderInProcess::OnLostContextInternal() { | |
| 113 { | |
| 114 base::AutoLock lock(destroyed_lock_); | |
| 115 if (destroyed_) | |
| 116 return; | |
| 117 destroyed_ = true; | |
| 118 } | |
| 119 OnLostContext(); | |
| 120 } | |
| 121 | |
| 122 bool ContextProviderInProcess::DestroyedOnMainThread() { | |
| 123 base::AutoLock lock(destroyed_lock_); | |
| 124 return destroyed_; | |
| 125 } | |
| 126 | |
| 127 void ContextProviderInProcess::OnMemoryAllocationChanged( | |
| 128 bool nonzero_allocation) { | |
| 129 if (gr_context_) | |
| 130 gr_context_->SetMemoryLimit(nonzero_allocation); | |
| 131 } | |
| 132 | |
| 133 } // namespace gpu | |
| 134 } // namespace webkit | |
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Chromium Code Reviews
Issue 16046003:
Move webkit/gpu into webkit/common/gpu (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src