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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 "cc/resources/resource_provider.h" | 5 #include "cc/resources/resource_provider.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 | 9 |
10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
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22 #include "gpu/GLES2/gl2extchromium.h" | 22 #include "gpu/GLES2/gl2extchromium.h" |
23 #include "gpu/command_buffer/client/gles2_interface.h" | 23 #include "gpu/command_buffer/client/gles2_interface.h" |
24 #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h" | 24 #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h" |
25 #include "third_party/khronos/GLES2/gl2.h" | 25 #include "third_party/khronos/GLES2/gl2.h" |
26 #include "third_party/khronos/GLES2/gl2ext.h" | 26 #include "third_party/khronos/GLES2/gl2ext.h" |
27 #include "third_party/skia/include/core/SkSurface.h" | 27 #include "third_party/skia/include/core/SkSurface.h" |
28 #include "third_party/skia/include/gpu/GrContext.h" | 28 #include "third_party/skia/include/gpu/GrContext.h" |
29 #include "third_party/skia/include/gpu/GrTextureProvider.h" | 29 #include "third_party/skia/include/gpu/GrTextureProvider.h" |
30 #include "ui/gfx/geometry/rect.h" | 30 #include "ui/gfx/geometry/rect.h" |
31 #include "ui/gfx/geometry/vector2d.h" | 31 #include "ui/gfx/geometry/vector2d.h" |
32 #include "ui/gfx/gpu_memory_buffer.h" | |
33 | 32 |
34 using gpu::gles2::GLES2Interface; | 33 using gpu::gles2::GLES2Interface; |
35 | 34 |
36 namespace cc { | 35 namespace cc { |
37 | 36 |
38 class IdAllocator { | 37 class IdAllocator { |
39 public: | 38 public: |
40 virtual ~IdAllocator() {} | 39 virtual ~IdAllocator() {} |
41 | 40 |
42 virtual GLuint NextId() = 0; | 41 virtual GLuint NextId() = 0; |
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987 resource_provider_->use_persistent_map_for_gpu_memory_buffers() | 986 resource_provider_->use_persistent_map_for_gpu_memory_buffers() |
988 ? gfx::GpuMemoryBuffer::PERSISTENT_MAP | 987 ? gfx::GpuMemoryBuffer::PERSISTENT_MAP |
989 : gfx::GpuMemoryBuffer::MAP; | 988 : gfx::GpuMemoryBuffer::MAP; |
990 scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer = | 989 scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer = |
991 gpu_memory_buffer_manager_->AllocateGpuMemoryBuffer( | 990 gpu_memory_buffer_manager_->AllocateGpuMemoryBuffer( |
992 size_, ToGpuMemoryBufferFormat(format_), usage); | 991 size_, ToGpuMemoryBufferFormat(format_), usage); |
993 gpu_memory_buffer_ = gpu_memory_buffer.release(); | 992 gpu_memory_buffer_ = gpu_memory_buffer.release(); |
994 return gpu_memory_buffer_; | 993 return gpu_memory_buffer_; |
995 } | 994 } |
996 | 995 |
996 ResourceProvider::ScopedWriteLockGpuMemoryBufferForThread:: | |
997 ScopedWriteLockGpuMemoryBufferForThread(ResourceProvider* resource_provider, | |
998 ResourceId resource_id) | |
999 : resource_provider_(resource_provider), | |
1000 resource_(resource_provider_->GetResource(resource_id)), | |
1001 gpu_memory_buffer_manager_(resource_provider->gpu_memory_buffer_manager_), | |
1002 gpu_memory_buffer_(nullptr), | |
1003 size_(resource_->size), | |
1004 format_(resource_->format) { | |
1005 DCHECK_EQ(RESOURCE_TYPE_GL_TEXTURE, resource_->type); | |
1006 resource_provider_->LazyCreate(resource_); | |
1007 worker_context_ = | |
1008 resource_provider_->output_surface()->worker_context_provider(); | |
1009 image_id_ = resource_->image_id; | |
1010 did_bind_image_ = false; | |
1011 internal_format_ = GLInternalFormat(resource_->format); | |
1012 source_gl_id_ = resource_->gl_id; | |
1013 query_id_ = resource_->gl_read_lock_query_id; | |
1014 using_sync_query_ = resource_provider_->use_sync_query_; | |
1015 | |
1016 usage_ = resource_provider_->use_persistent_map_for_gpu_memory_buffers() | |
1017 ? gfx::GpuMemoryBuffer::PERSISTENT_MAP | |
1018 : gfx::GpuMemoryBuffer::MAP; | |
1019 std::swap(gpu_memory_buffer_, resource_->gpu_memory_buffer); | |
1020 } | |
1021 | |
1022 ResourceProvider::ScopedWriteLockGpuMemoryBufferForThread:: | |
1023 ~ScopedWriteLockGpuMemoryBufferForThread() { | |
1024 GLES2Interface* gl = | |
1025 resource_provider_->output_surface()->context_provider()->ContextGL(); | |
1026 if (!gpu_memory_buffer_) | |
1027 return; | |
1028 | |
1029 if (using_sync_query_ && query_id_) { | |
1030 resource_->gl_read_lock_query_id = query_id_; | |
1031 resource_->read_lock_fence = | |
1032 make_scoped_refptr(new CopyTextureFence(gl, query_id_)); | |
reveman
2015/07/10 13:50:34
How does is this supposed to work? We have to crea
piman
2015/07/10 17:12:36
The query is created on the worker context around
| |
1033 } else { | |
1034 // Create a SynchronousFence when CHROMIUM_sync_query extension is missing. | |
1035 // Try to use one synchronous fence for as many CopyResource operations as | |
1036 // possible as that reduce the number of times we have to synchronize with | |
1037 // the GL. | |
1038 if (!resource_provider_->synchronous_fence_.get() || | |
1039 resource_provider_->synchronous_fence_->has_synchronized()) { | |
1040 resource_provider_->synchronous_fence_ = | |
1041 make_scoped_refptr(new SynchronousFence(gl)); | |
1042 } | |
1043 resource_->read_lock_fence = resource_provider_->synchronous_fence_; | |
1044 resource_->read_lock_fence->Set(); | |
1045 } | |
1046 | |
1047 std::swap(resource_->gpu_memory_buffer, gpu_memory_buffer_); | |
1048 if (did_bind_image_) { | |
1049 resource_->image_id = image_id_; | |
1050 resource_->allocated = true; | |
1051 resource_->dirty_image = false; | |
1052 resource_->bound_image_id = bound_image_id_; | |
1053 resource_->read_lock_fences_enabled = true; | |
1054 } | |
1055 } | |
1056 | |
1057 gfx::GpuMemoryBuffer* ResourceProvider:: | |
1058 ScopedWriteLockGpuMemoryBufferForThread::GetGpuMemoryBuffer() { | |
1059 if (gpu_memory_buffer_) | |
1060 return gpu_memory_buffer_; | |
1061 scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer = | |
1062 gpu_memory_buffer_manager_->AllocateGpuMemoryBuffer( | |
1063 size_, ToGpuMemoryBufferFormat(format_), usage_); | |
1064 gpu_memory_buffer_ = gpu_memory_buffer.release(); | |
1065 return gpu_memory_buffer_; | |
1066 } | |
1067 | |
1068 void ResourceProvider::ScopedWriteLockGpuMemoryBufferForThread:: | |
1069 CreateAndBindImage() { | |
1070 GLES2Interface* gl = worker_context_->ContextGL(); | |
1071 image_id_ = | |
1072 gl->CreateImageCHROMIUM(gpu_memory_buffer_->AsClientBuffer(), | |
1073 size_.width(), size_.height(), internal_format_); | |
1074 | |
1075 gl->BindTexture(GL_TEXTURE_2D, source_gl_id_); | |
1076 if (bound_image_id_) | |
1077 gl->ReleaseTexImage2DCHROMIUM(GL_TEXTURE_2D, bound_image_id_); | |
1078 gl->BindTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); | |
1079 bound_image_id_ = image_id_; | |
1080 did_bind_image_ = true; | |
1081 } | |
1082 | |
1083 void ResourceProvider::ScopedWriteLockGpuMemoryBufferForThread:: | |
1084 BeginCopyTexture() { | |
1085 GLES2Interface* gl = worker_context_->ContextGL(); | |
1086 if (using_sync_query_) { | |
1087 if (!query_id_) | |
1088 gl->GenQueriesEXT(1, &query_id_); | |
1089 #if defined(OS_CHROMEOS) | |
1090 // TODO(reveman): This avoids a performance problem on some ChromeOS | |
1091 // devices. This needs to be removed to support native GpuMemoryBuffer | |
1092 // implementations. crbug.com/436314 | |
1093 gl->BeginQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM, query_id_); | |
1094 #else | |
1095 gl->BeginQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM, query_id_); | |
1096 #endif | |
1097 } | |
1098 } | |
1099 | |
1100 void ResourceProvider::ScopedWriteLockGpuMemoryBufferForThread:: | |
1101 EndCopyTexture() { | |
1102 GLES2Interface* gl = worker_context_->ContextGL(); | |
1103 if (using_sync_query_ && query_id_) { | |
1104 // End query and create a read lock fence that will prevent access to | |
1105 // source resource until CopySubTextureCHROMIUM command has completed. | |
1106 #if defined(OS_CHROMEOS) | |
1107 gl->EndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM); | |
1108 #else | |
1109 gl->EndQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM); | |
1110 #endif | |
1111 } | |
1112 } | |
1113 | |
997 ResourceProvider::ScopedWriteLockGr::ScopedWriteLockGr( | 1114 ResourceProvider::ScopedWriteLockGr::ScopedWriteLockGr( |
998 ResourceProvider* resource_provider, | 1115 ResourceProvider* resource_provider, |
999 ResourceId resource_id) | 1116 ResourceId resource_id) |
1000 : resource_provider_(resource_provider), | 1117 : resource_provider_(resource_provider), |
1001 resource_(resource_provider->LockForWrite(resource_id)) { | 1118 resource_(resource_provider->LockForWrite(resource_id)) { |
1002 DCHECK(thread_checker_.CalledOnValidThread()); | 1119 DCHECK(thread_checker_.CalledOnValidThread()); |
1003 resource_provider_->LazyAllocate(resource_); | 1120 resource_provider_->LazyAllocate(resource_); |
1004 } | 1121 } |
1005 | 1122 |
1006 ResourceProvider::ScopedWriteLockGr::~ScopedWriteLockGr() { | 1123 ResourceProvider::ScopedWriteLockGr::~ScopedWriteLockGr() { |
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1872 source_resource->gl_read_lock_query_id); | 1989 source_resource->gl_read_lock_query_id); |
1873 #else | 1990 #else |
1874 gl->BeginQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM, | 1991 gl->BeginQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM, |
1875 source_resource->gl_read_lock_query_id); | 1992 source_resource->gl_read_lock_query_id); |
1876 #endif | 1993 #endif |
1877 } | 1994 } |
1878 DCHECK(!dest_resource->image_id); | 1995 DCHECK(!dest_resource->image_id); |
1879 dest_resource->allocated = true; | 1996 dest_resource->allocated = true; |
1880 gl->CopySubTextureCHROMIUM(dest_resource->target, source_resource->gl_id, | 1997 gl->CopySubTextureCHROMIUM(dest_resource->target, source_resource->gl_id, |
1881 dest_resource->gl_id, rect.x(), rect.y(), rect.x(), | 1998 dest_resource->gl_id, rect.x(), rect.y(), rect.x(), |
1882 rect.y(), rect.width(), rect.height(), | 1999 rect.y(), rect.width(), rect.height(), false, |
1883 false, false, false); | 2000 false, false); |
1884 if (source_resource->gl_read_lock_query_id) { | 2001 if (source_resource->gl_read_lock_query_id) { |
1885 // End query and create a read lock fence that will prevent access to | 2002 // End query and create a read lock fence that will prevent access to |
1886 // source resource until CopySubTextureCHROMIUM command has completed. | 2003 // source resource until CopySubTextureCHROMIUM command has completed. |
1887 #if defined(OS_CHROMEOS) | 2004 #if defined(OS_CHROMEOS) |
1888 gl->EndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM); | 2005 gl->EndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM); |
1889 #else | 2006 #else |
1890 gl->EndQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM); | 2007 gl->EndQueryEXT(GL_COMMANDS_COMPLETED_CHROMIUM); |
1891 #endif | 2008 #endif |
1892 source_resource->read_lock_fence = make_scoped_refptr( | 2009 source_resource->read_lock_fence = make_scoped_refptr( |
1893 new CopyTextureFence(gl, source_resource->gl_read_lock_query_id)); | 2010 new CopyTextureFence(gl, source_resource->gl_read_lock_query_id)); |
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1945 } | 2062 } |
1946 | 2063 |
1947 class GrContext* ResourceProvider::GrContext(bool worker_context) const { | 2064 class GrContext* ResourceProvider::GrContext(bool worker_context) const { |
1948 ContextProvider* context_provider = | 2065 ContextProvider* context_provider = |
1949 worker_context ? output_surface_->worker_context_provider() | 2066 worker_context ? output_surface_->worker_context_provider() |
1950 : output_surface_->context_provider(); | 2067 : output_surface_->context_provider(); |
1951 return context_provider ? context_provider->GrContext() : NULL; | 2068 return context_provider ? context_provider->GrContext() : NULL; |
1952 } | 2069 } |
1953 | 2070 |
1954 } // namespace cc | 2071 } // namespace cc |
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