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| 1 // Copyright (c) 2012 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 "gpu/blink/webgraphicscontext3d_in_process_command_buffer_impl.h" | |
| 6 | |
| 7 #include <GLES2/gl2.h> | |
| 8 #include <utility> | |
| 9 #ifndef GL_GLEXT_PROTOTYPES | |
| 10 #define GL_GLEXT_PROTOTYPES 1 | |
| 11 #endif | |
| 12 #include <GLES2/gl2ext.h> | |
| 13 #include <GLES2/gl2extchromium.h> | |
| 14 #include <stddef.h> | |
| 15 | |
| 16 #include <string> | |
| 17 | |
| 18 #include "base/atomicops.h" | |
| 19 #include "base/bind.h" | |
| 20 #include "base/bind_helpers.h" | |
| 21 #include "base/callback.h" | |
| 22 #include "base/logging.h" | |
| 23 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 24 #include "gpu/command_buffer/common/gles2_cmd_utils.h" | |
| 25 #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h" | |
| 26 #include "ui/gfx/geometry/size.h" | |
| 27 #include "ui/gl/gl_implementation.h" | |
| 28 | |
| 29 using gpu::gles2::GLES2Implementation; | |
| 30 using gpu::GLInProcessContext; | |
| 31 | |
| 32 namespace gpu_blink { | |
| 33 | |
| 34 // static | |
| 35 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> | |
| 36 WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext( | |
| 37 const gpu::gles2::ContextCreationAttribHelper& attributes) { | |
| 38 bool is_offscreen = true; | |
| 39 return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl( | |
| 40 scoped_ptr<::gpu::GLInProcessContext>(), attributes, is_offscreen, | |
| 41 gfx::kNullAcceleratedWidget)); | |
| 42 } | |
| 43 | |
| 44 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> | |
| 45 WebGraphicsContext3DInProcessCommandBufferImpl::WrapContext( | |
| 46 scoped_ptr<::gpu::GLInProcessContext> context, | |
| 47 const gpu::gles2::ContextCreationAttribHelper& attributes) { | |
| 48 bool is_offscreen = true; // Not used. | |
| 49 gfx::AcceleratedWidget window = gfx::kNullAcceleratedWidget; // Not used. | |
| 50 return make_scoped_ptr(new WebGraphicsContext3DInProcessCommandBufferImpl( | |
| 51 std::move(context), attributes, is_offscreen, window)); | |
| 52 } | |
| 53 | |
| 54 WebGraphicsContext3DInProcessCommandBufferImpl:: | |
| 55 WebGraphicsContext3DInProcessCommandBufferImpl( | |
| 56 scoped_ptr<::gpu::GLInProcessContext> context, | |
| 57 const gpu::gles2::ContextCreationAttribHelper& attributes, | |
| 58 bool is_offscreen, | |
| 59 gfx::AcceleratedWidget window) | |
| 60 : attributes_(attributes), | |
| 61 is_offscreen_(is_offscreen), | |
| 62 window_(window), | |
| 63 context_(std::move(context)) {} | |
| 64 | |
| 65 WebGraphicsContext3DInProcessCommandBufferImpl:: | |
| 66 ~WebGraphicsContext3DInProcessCommandBufferImpl() { | |
| 67 if (real_gl_) | |
| 68 real_gl_->SetLostContextCallback(base::Closure()); | |
| 69 } | |
| 70 | |
| 71 size_t WebGraphicsContext3DInProcessCommandBufferImpl::GetMappedMemoryLimit() { | |
| 72 return context_->GetMappedMemoryLimit(); | |
| 73 } | |
| 74 | |
| 75 bool WebGraphicsContext3DInProcessCommandBufferImpl::MaybeInitializeGL() { | |
| 76 if (initialized_) | |
| 77 return true; | |
| 78 | |
| 79 if (initialize_failed_) | |
| 80 return false; | |
| 81 | |
| 82 if (!context_) { | |
| 83 // TODO(kbr): More work will be needed in this implementation to | |
| 84 // properly support GPU switching. Like in the out-of-process | |
| 85 // command buffer implementation, all previously created contexts | |
| 86 // will need to be lost either when the first context requesting the | |
| 87 // discrete GPU is created, or the last one is destroyed. | |
| 88 gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu; | |
| 89 context_.reset(GLInProcessContext::Create( | |
| 90 NULL, /* service */ | |
| 91 NULL, /* surface */ | |
| 92 is_offscreen_, window_, gfx::Size(1, 1), NULL, /* share_context */ | |
| 93 attributes_, gpu_preference, | |
| 94 ::gpu::GLInProcessContextSharedMemoryLimits(), nullptr, nullptr)); | |
| 95 } | |
| 96 | |
| 97 if (!context_) { | |
| 98 initialize_failed_ = true; | |
| 99 return false; | |
| 100 } | |
| 101 | |
| 102 real_gl_ = context_->GetImplementation(); | |
| 103 SetGLInterface(real_gl_); | |
| 104 | |
| 105 real_gl_->TraceBeginCHROMIUM("WebGraphicsContext3D", | |
| 106 "InProcessContext"); | |
| 107 | |
| 108 initialized_ = true; | |
| 109 return true; | |
| 110 } | |
| 111 | |
| 112 bool | |
| 113 WebGraphicsContext3DInProcessCommandBufferImpl::InitializeOnCurrentThread() { | |
| 114 if (!MaybeInitializeGL()) | |
| 115 return false; | |
| 116 return context_ && | |
| 117 context_->GetImplementation()->GetGraphicsResetStatusKHR() == | |
| 118 GL_NO_ERROR; | |
| 119 } | |
| 120 | |
| 121 void WebGraphicsContext3DInProcessCommandBufferImpl::SetLock(base::Lock* lock) { | |
| 122 context_->SetLock(lock); | |
| 123 } | |
| 124 | |
| 125 ::gpu::ContextSupport* | |
| 126 WebGraphicsContext3DInProcessCommandBufferImpl::GetContextSupport() { | |
| 127 return real_gl_; | |
| 128 } | |
| 129 | |
| 130 } // namespace gpu_blink | |
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Chromium Code Reviews
Issue 1844843002:
android: Remove in-process video path (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master