SurfacelessSurfaces for Mus

components/mus/surfaces/buffer_queue.h

Index: components/mus/surfaces/buffer_queue.h
diff --git a/content/browser/compositor/buffer_queue.h b/components/mus/surfaces/buffer_queue.h
similarity index 79%
copy from content/browser/compositor/buffer_queue.h
copy to components/mus/surfaces/buffer_queue.h
index 772501c52a508f1d98aedb71ad19bc24792b5a6c..8435611f74616bb23a24add410be77b9aa7dd69e 100644
--- a/content/browser/compositor/buffer_queue.h
+++ b/components/mus/surfaces/buffer_queue.h
@@ -1,9 +1,9 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 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 CONTENT_BROWSER_COMPOSITOR_BUFFER_QUEUE_H_
-#define CONTENT_BROWSER_COMPOSITOR_BUFFER_QUEUE_H_
+#ifndef COMPONENTS_MUS_SURFACES_BUFFER_QUEUE_H_
+#define COMPONENTS_MUS_SURFACES_BUFFER_QUEUE_H_
 
 #include <stddef.h>
 
@@ -13,9 +13,10 @@
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "content/common/content_export.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
+#include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class ContextProvider;
@@ -25,26 +26,23 @@ namespace gfx {
 class GpuMemoryBuffer;
 }
 
-namespace gpu {
-class GpuMemoryBufferManager;
-}
+class SkRegion;
 
-namespace content {
+namespace mus {
 
+class MojoGpuMemoryBufferManager;
 class GLHelper;
 
 // Provides a surface that manages its own buffers, backed by GpuMemoryBuffers
 // created using CHROMIUM_gpu_memory_buffer_image. Double/triple buffering is
 // implemented internally. Doublebuffering occurs if PageFlipComplete is called
 // before the next BindFramebuffer call, otherwise it creates extra buffers.
-class CONTENT_EXPORT BufferQueue {
+class BufferQueue {
  public:
   BufferQueue(scoped_refptr<cc::ContextProvider> context_provider,
-              unsigned int texture_target,
-              unsigned int internalformat,
-              GLHelper* gl_helper,
-              gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
-              int surface_id);
+              uint32_t texture_target,
+              uint32_t internalformat,
+              gfx::AcceleratedWidget widget);
   virtual ~BufferQueue();
 
   void Initialize();
@@ -62,10 +60,9 @@ class CONTENT_EXPORT BufferQueue {
   unsigned int fbo() const { return fbo_; }
 
  private:
-  friend class BufferQueueTest;
   friend class AllocatedSurface;
 
-  struct CONTENT_EXPORT AllocatedSurface {
+  struct AllocatedSurface {
     AllocatedSurface(BufferQueue* buffer_queue,
                      std::unique_ptr<gfx::GpuMemoryBuffer> buffer,
                      unsigned int texture,
@@ -92,6 +89,12 @@ class CONTENT_EXPORT BufferQueue {
 
   void UpdateBufferDamage(const gfx::Rect& damage);
 
+  void CopySubBufferDamage(GLenum target,
+                           GLuint texture,
+                           GLuint previous_texture,
+                           const SkRegion& new_damage,
+                           const SkRegion& old_damage);
+
   // Return a surface, available to be drawn into.
   std::unique_ptr<AllocatedSurface> GetNextSurface();
 
@@ -100,6 +103,7 @@ class CONTENT_EXPORT BufferQueue {
 
   gfx::Size size_;
   scoped_refptr<cc::ContextProvider> context_provider_;
+
   unsigned int fbo_;
   size_t allocated_count_;
   unsigned int texture_target_;
@@ -114,13 +118,11 @@ class CONTENT_EXPORT BufferQueue {
   // These have been swapped but are not displayed yet. Entries of this deque
   // may be nullptr, if they represent frames that have been destroyed.
   std::deque<std::unique_ptr<AllocatedSurface>> in_flight_surfaces_;
-  GLHelper* gl_helper_;
-  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
-  int surface_id_;
+  gfx::AcceleratedWidget widget_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferQueue);
 };
 
-}  // namespace content
+}  // namespace mus
 
-#endif  // CONTENT_BROWSER_COMPOSITOR_BUFFER_QUEUE_H_
+#endif  // COMPONENTS_MUS_SURFACES_BUFFER_QUEUE_H_