gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/service/texture_definition.cc

 // Copyright 2014 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.
 
 #include "gpu/command_buffer/service/texture_definition.h"
 
 #include <stdint.h>
 
 #include <list>
 
@@ skipping 26 matching lines @@
   // Implement GLImage.
   void Destroy(bool have_context) override;
   gfx::Size GetSize() override;
   unsigned GetInternalFormat() override;
   bool BindTexImage(unsigned target, gl::GLFence* fence) override;
   void ReleaseTexImage(unsigned target) override;
   bool CopyTexImage(unsigned target) override;
   bool CopyTexSubImage(unsigned target,
                        const gfx::Point& offset,
                        const gfx::Rect& rect) override;
+  bool CopySubImageData(unsigned texture_id,
+                        const gfx::Point& offset,
+                        const gfx::Rect& rect,
+                        gl::GLFence* in_fence,
+                        gl::GLFence* out_fence) override;
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int z_order,
                             gfx::OverlayTransform transform,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override;
   void Flush() override {}
   void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                     uint64_t process_tracing_id,
                     const std::string& dump_name) override;
 
@@ skipping 42 matching lines @@
 bool GLImageSync::CopyTexImage(unsigned target) {
   return false;
 }
 
 bool GLImageSync::CopyTexSubImage(unsigned target,
                                   const gfx::Point& offset,
                                   const gfx::Rect& rect) {
   return false;
 }
 
+bool GLImageSync::CopySubImageData(unsigned texture_id,
+                                   const gfx::Point& offset,
+                                   const gfx::Rect& rect,
+                                   gl::GLFence* in_fence,
+                                   gl::GLFence* out_fence) {
+  return false;
+}
+
 bool GLImageSync::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                                        int z_order,
                                        gfx::OverlayTransform transform,
                                        const gfx::Rect& bounds_rect,
                                        const gfx::RectF& crop_rect) {
   NOTREACHED();
   return false;
 }
 
 void GLImageSync::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
@@ skipping 346 matching lines @@
   return true;
 }
 
 bool TextureDefinition::SafeToRenderFrom() const {
   return level_info_.cleared_rect.Contains(
       gfx::Rect(level_info_.width, level_info_.height));
 }
 
 }  // namespace gles2
 }  // namespace gpu