Re-land: cc: Use worker context for one-copy tile initialization.

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;
 }
 }
 
 namespace gfx {
-class GpuMemoryBuffer;
 class Rect;
 class Vector2d;
 }
 
 namespace cc {
 class BlockingTaskRunner;
 class IdAllocator;
 class SharedBitmap;
 class SharedBitmapManager;
 
@@ skipping 19 matching lines @@
     RESOURCE_TYPE_BITMAP,
   };
 
   static scoped_ptr<ResourceProvider> Create(
       OutputSurface* output_surface,
       SharedBitmapManager* shared_bitmap_manager,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       BlockingTaskRunner* blocking_main_thread_task_runner,
       int highp_threshold_min,
       bool use_rgba_4444_texture_format,
-      size_t id_allocation_chunk_size,
-      bool use_persistent_map_for_gpu_memory_buffers);
+      size_t id_allocation_chunk_size);
   virtual ~ResourceProvider();
 
   void DidLoseOutputSurface() { lost_output_surface_ = true; }
 
   int max_texture_size() const { return max_texture_size_; }
   ResourceFormat memory_efficient_texture_format() const {
     return use_rgba_4444_texture_format_ ? RGBA_4444 : best_texture_format_;
   }
   ResourceFormat best_texture_format() const { return best_texture_format_; }
   ResourceFormat best_render_buffer_format() const {
     return best_render_buffer_format_;
   }
   ResourceFormat yuv_resource_format() const { return yuv_resource_format_; }
   bool use_sync_query() const { return use_sync_query_; }
-  bool use_persistent_map_for_gpu_memory_buffers() const {
-    return use_persistent_map_for_gpu_memory_buffers_;
+  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() {
+    return gpu_memory_buffer_manager_;
   }
   size_t num_resources() const { return resources_.size(); }
 
   // Checks whether a resource is in use by a consumer.
   bool InUseByConsumer(ResourceId id);
 
   bool IsLost(ResourceId id);
 
   void EnableReadLockFencesForTesting(ResourceId id);
 
@@ skipping 300 matching lines @@
   GLenum TargetForTesting(ResourceId id);
 
   // Sets the current read fence. If a resource is locked for read
   // and has read fences enabled, the resource will not allow writes
   // until this fence has passed.
   void SetReadLockFence(Fence* fence) { current_read_lock_fence_ = fence; }
 
   // Indicates if we can currently lock this resource for write.
   bool CanLockForWrite(ResourceId id);
 
-  // Copy |rect| pixels from source to destination.
-  void CopyResource(ResourceId source_id,
-                    ResourceId dest_id,
-                    const gfx::Rect& rect);
-
   void WaitSyncPointIfNeeded(ResourceId id);
 
-  void WaitReadLockIfNeeded(ResourceId id);
-
   static GLint GetActiveTextureUnit(gpu::gles2::GLES2Interface* gl);
 
   OutputSurface* output_surface() { return output_surface_; }
 
   void ValidateResource(ResourceId id) const;
 
  protected:
   ResourceProvider(OutputSurface* output_surface,
                    SharedBitmapManager* shared_bitmap_manager,
                    gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
                    BlockingTaskRunner* blocking_main_thread_task_runner,
                    int highp_threshold_min,
                    bool use_rgba_4444_texture_format,
-                   size_t id_allocation_chunk_size,
-                   bool use_persistent_map_for_gpu_memory_buffers);
+                   size_t id_allocation_chunk_size);
   void Initialize();
 
  private:
   struct Resource {
     enum Origin { INTERNAL, EXTERNAL, DELEGATED };
 
     ~Resource();
     Resource(unsigned texture_id,
              const gfx::Size& size,
              Origin origin,
@@ skipping 134 matching lines @@
   base::ThreadChecker thread_checker_;
 
   scoped_refptr<Fence> current_read_lock_fence_;
   bool use_rgba_4444_texture_format_;
 
   const size_t id_allocation_chunk_size_;
   scoped_ptr<IdAllocator> texture_id_allocator_;
   scoped_ptr<IdAllocator> buffer_id_allocator_;
 
   bool use_sync_query_;
-  bool use_persistent_map_for_gpu_memory_buffers_;
-  // Fence used for CopyResource if CHROMIUM_sync_query is not supported.
-  scoped_refptr<SynchronousFence> synchronous_fence_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceProvider);
 };
 
 // TODO(epenner): Move these format conversions to resource_format.h
 // once that builds on mac (npapi.h currently #includes OpenGL.h).
 inline int BitsPerPixel(ResourceFormat format) {
   switch (format) {
     case BGRA_8888:
     case RGBA_8888:
@@ skipping 39 matching lines @@
       GL_ETC1_RGB8_OES,  // ETC1
       GL_RED_EXT         // RED_8
   };
   return format_gl_data_format[format];
 }
 
 inline GLenum GLInternalFormat(ResourceFormat format) {
   return GLDataFormat(format);
 }
 
+inline gfx::GpuMemoryBuffer::Format ToGpuMemoryBufferFormat(
+    ResourceFormat format) {
+  switch (format) {
+    case RGBA_8888:
+      return gfx::GpuMemoryBuffer::RGBA_8888;
+    case BGRA_8888:
+      return gfx::GpuMemoryBuffer::BGRA_8888;
+    case RGBA_4444:
+      return gfx::GpuMemoryBuffer::RGBA_4444;
+    case ALPHA_8:
+    case LUMINANCE_8:
+    case RGB_565:
+    case ETC1:
+    case RED_8:
+      break;
+  }
+  NOTREACHED();
+  return gfx::GpuMemoryBuffer::RGBA_8888;
+}
+
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_