cc: [WIP] Use worker context and OrderingBarrierCHROMIUM for one-copy.

cc/resources/resource_provider.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RESOURCES_RESOURCE_PROVIDER_H_
 #define CC_RESOURCES_RESOURCE_PROVIDER_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 15 matching lines @@
 #include "cc/resources/return_callback.h"
 #include "cc/resources/shared_bitmap.h"
 #include "cc/resources/single_release_callback_impl.h"
 #include "cc/resources/texture_mailbox.h"
 #include "cc/resources/transferable_resource.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/geometry/size.h"
+#include "ui/gfx/gpu_memory_buffer.h"
 
 class GrContext;
 
 namespace gpu {
 class GpuMemoryBufferManager;
 namespace gles {
 class GLES2Interface;
 }
 }
 
@@ skipping 278 matching lines @@
     ResourceProvider::Resource* resource_;
     gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
     gfx::GpuMemoryBuffer* gpu_memory_buffer_;
     gfx::Size size_;
     ResourceFormat format_;
     base::ThreadChecker thread_checker_;
 
     DISALLOW_COPY_AND_ASSIGN(ScopedWriteLockGpuMemoryBuffer);
   };
 
+  class CC_EXPORT ScopedWriteLockGpuMemoryBufferForThread {
+   public:
+    ScopedWriteLockGpuMemoryBufferForThread(ResourceProvider* resource_provider,
+                                            ResourceId resource_id);
+    ~ScopedWriteLockGpuMemoryBufferForThread();
+
+    gfx::GpuMemoryBuffer* GetGpuMemoryBuffer();
+    void CreateAndBindImage();
+    ContextProvider* worker_context() { return worker_context_; }
+    void BeginCopyTexture();
+    void EndCopyTexture();
+    ResourceFormat format() { return format_; }
+    gfx::Size size() { return size_; }
+    unsigned source_gl_id() { return source_gl_id_; }
+
+   private:
+    ResourceProvider* resource_provider_;
+    ResourceProvider::Resource* resource_;
+    gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
+    gfx::GpuMemoryBuffer* gpu_memory_buffer_;
+    base::ThreadChecker thread_checker_;
+    ContextProvider* worker_context_;
+    unsigned image_id_;
+    unsigned bound_image_id_;
+    unsigned source_gl_id_;
+    gfx::Size size_;
+    ResourceFormat format_;
+    GLenum internal_format_;
+    bool did_bind_image_;
+    unsigned query_id_;
+    bool using_sync_query_;
+    gfx::GpuMemoryBuffer::Usage usage_;
+
+    DISALLOW_COPY_AND_ASSIGN(ScopedWriteLockGpuMemoryBufferForThread);
+  };
+
   class CC_EXPORT ScopedWriteLockGr {
    public:
     ScopedWriteLockGr(ResourceProvider* resource_provider,
                       ResourceId resource_id);
     ~ScopedWriteLockGr();
 
     void InitSkSurface(bool use_distance_field_text,
                        bool can_use_lcd_text,
                        int msaa_sample_count);
     void ReleaseSkSurface();
@@ skipping 314 matching lines @@
   return format_gl_data_format[format];
 }
 
 inline GLenum GLInternalFormat(ResourceFormat format) {
   return GLDataFormat(format);
 }
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_