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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/gpu/client/grcontext_for_webgraphicscontext3d.h" | 5 #include "content/common/gpu/client/grcontext_for_webgraphicscontext3d.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 #include "gpu/blink/webgraphicscontext3d_impl.h" | 9 #include "gpu/blink/webgraphicscontext3d_impl.h" |
10 #include "gpu/command_buffer/client/gles2_lib.h" | 10 #include "gpu/command_buffer/client/gles2_lib.h" |
| 11 #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h" |
11 #include "third_party/skia/include/gpu/GrContext.h" | 12 #include "third_party/skia/include/gpu/GrContext.h" |
12 #include "third_party/skia/include/gpu/gl/GrGLInterface.h" | |
13 | 13 |
14 using gpu_blink::WebGraphicsContext3DImpl; | 14 using gpu_blink::WebGraphicsContext3DImpl; |
15 | 15 |
16 namespace content { | 16 namespace content { |
17 | 17 |
18 namespace { | 18 namespace { |
19 | 19 |
20 // Singleton used to initialize and terminate the gles2 library. | 20 // Singleton used to initialize and terminate the gles2 library. |
21 class GLES2Initializer { | 21 class GLES2Initializer { |
22 public: | 22 public: |
23 GLES2Initializer() { gles2::Initialize(); } | 23 GLES2Initializer() { gles2::Initialize(); } |
24 | 24 |
25 ~GLES2Initializer() { gles2::Terminate(); } | 25 ~GLES2Initializer() { gles2::Terminate(); } |
26 | 26 |
27 private: | 27 private: |
28 DISALLOW_COPY_AND_ASSIGN(GLES2Initializer); | 28 DISALLOW_COPY_AND_ASSIGN(GLES2Initializer); |
29 }; | 29 }; |
30 | 30 |
31 base::LazyInstance<GLES2Initializer> g_gles2_initializer = | 31 base::LazyInstance<GLES2Initializer> g_gles2_initializer = |
32 LAZY_INSTANCE_INITIALIZER; | 32 LAZY_INSTANCE_INITIALIZER; |
33 | 33 |
34 void BindWebGraphicsContext3DGLContextCallback(const GrGLInterface* interface) { | 34 void BindWebGraphicsContext3DGLContextCallback(const GrGLInterface* interface) { |
35 gles2::SetGLContext(reinterpret_cast<WebGraphicsContext3DImpl*>( | 35 gles2::SetGLContext(static_cast<const GrGLInterfaceForWebGraphicsContext3D*>( |
36 interface->fCallbackData)->GetGLInterface()); | 36 interface)->WebContext3D()->GetGLInterface()); |
37 } | 37 } |
38 | 38 |
39 } // namespace anonymous | 39 } // namespace anonymous |
40 | 40 |
41 GrContextForWebGraphicsContext3D::GrContextForWebGraphicsContext3D( | 41 GrContextForWebGraphicsContext3D::GrContextForWebGraphicsContext3D( |
42 WebGraphicsContext3DImpl* context3d) { | 42 skia::RefPtr<GrGLInterfaceForWebGraphicsContext3D> gr_interface) { |
43 if (!context3d) | 43 if (!gr_interface || !gr_interface->WebContext3D()) |
44 return; | 44 return; |
45 | 45 |
46 // Ensure the gles2 library is initialized first in a thread safe way. | 46 // Ensure the gles2 library is initialized first in a thread safe way. |
47 g_gles2_initializer.Get(); | 47 g_gles2_initializer.Get(); |
48 gles2::SetGLContext(context3d->GetGLInterface()); | 48 gles2::SetGLContext(gr_interface->WebContext3D()->GetGLInterface()); |
49 skia::RefPtr<GrGLInterface> interface = skia::AdoptRef( | |
50 context3d->createGrGLInterface()); | |
51 if (!interface) | |
52 return; | |
53 | 49 |
54 interface->fCallback = BindWebGraphicsContext3DGLContextCallback; | 50 skia_bindings::InitCommandBufferSkiaGLBinding(gr_interface.get()); |
55 interface->fCallbackData = | 51 |
56 reinterpret_cast<GrGLInterfaceCallbackData>(context3d); | 52 gr_interface->fCallback = BindWebGraphicsContext3DGLContextCallback; |
57 | 53 |
58 gr_context_ = skia::AdoptRef(GrContext::Create( | 54 gr_context_ = skia::AdoptRef(GrContext::Create( |
59 kOpenGL_GrBackend, | 55 kOpenGL_GrBackend, |
60 reinterpret_cast<GrBackendContext>(interface.get()))); | 56 reinterpret_cast<GrBackendContext>(gr_interface.get()))); |
61 if (gr_context_) { | 57 if (gr_context_) { |
62 // The limit of the number of GPU resources we hold in the GrContext's | 58 // The limit of the number of GPU resources we hold in the GrContext's |
63 // GPU cache. | 59 // GPU cache. |
64 static const int kMaxGaneshResourceCacheCount = 2048; | 60 static const int kMaxGaneshResourceCacheCount = 2048; |
65 // The limit of the bytes allocated toward GPU resources in the GrContext's | 61 // The limit of the bytes allocated toward GPU resources in the GrContext's |
66 // GPU cache. | 62 // GPU cache. |
67 static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024; | 63 static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024; |
68 | 64 |
69 gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount, | 65 gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount, |
70 kMaxGaneshResourceCacheBytes); | 66 kMaxGaneshResourceCacheBytes); |
71 } | 67 } |
72 } | 68 } |
73 | 69 |
74 GrContextForWebGraphicsContext3D::~GrContextForWebGraphicsContext3D() { | 70 GrContextForWebGraphicsContext3D::~GrContextForWebGraphicsContext3D() { |
75 } | 71 } |
76 | 72 |
77 void GrContextForWebGraphicsContext3D::OnLostContext() { | 73 void GrContextForWebGraphicsContext3D::OnLostContext() { |
78 if (gr_context_) | 74 if (gr_context_) |
79 gr_context_->abandonContext(); | 75 gr_context_->abandonContext(); |
80 } | 76 } |
81 | 77 |
82 void GrContextForWebGraphicsContext3D::FreeGpuResources() { | 78 void GrContextForWebGraphicsContext3D::FreeGpuResources() { |
83 if (gr_context_) { | 79 if (gr_context_) { |
84 TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", \ | 80 TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", \ |
85 TRACE_EVENT_SCOPE_THREAD); | 81 TRACE_EVENT_SCOPE_THREAD); |
86 gr_context_->freeGpuResources(); | 82 gr_context_->freeGpuResources(); |
87 } | 83 } |
88 } | 84 } |
89 | 85 |
| 86 GrGLInterfaceForWebGraphicsContext3D::GrGLInterfaceForWebGraphicsContext3D( |
| 87 scoped_ptr<gpu_blink::WebGraphicsContext3DImpl> context3d) |
| 88 : context3d_(context3d.Pass()) { |
| 89 } |
| 90 |
| 91 GrGLInterfaceForWebGraphicsContext3D::~GrGLInterfaceForWebGraphicsContext3D() { |
| 92 #if !defined(NDEBUG) |
| 93 // Set all the function pointers to zero, in order to crash if function |
| 94 // pointers are used after free. |
| 95 memset(&fFunctions, 0, sizeof(GrGLInterface::Functions)); |
| 96 #endif |
| 97 } |
| 98 |
90 } // namespace content | 99 } // namespace content |
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