GPU client side changes for GpuMemoryBuffers

gpu/command_buffer/client/gles2_implementation.h

Index: gpu/command_buffer/client/gles2_implementation.h
diff --git a/gpu/command_buffer/client/gles2_implementation.h b/gpu/command_buffer/client/gles2_implementation.h
index e176c8b20a2ca761346d004833caa93ba7ccc452..1d66151b3e52d0efefb6ac048336e7a6686a41b9 100644
--- a/gpu/command_buffer/client/gles2_implementation.h
+++ b/gpu/command_buffer/client/gles2_implementation.h
@@ -102,6 +102,7 @@ class TransferBufferInterface;
 
 namespace gles2 {
 
+class GpuMemoryBufferTracker;
 class VertexArrayObjectManager;
 
 // This class emulates GLES2 over command buffers. It can be used by a client
@@ -435,6 +436,10 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
       GLenum target, GLintptr offset, GLsizeiptr size, const void* data,
       ScopedTransferBufferPtr* buffer);
 
+  // Helper for ImageBufferData
+  void ImageBufferDataCHROMIUMHelper(
+      GLenum target, GLsizei width, GLsizei height);
+
   // Helper for GetVertexAttrib
   bool GetVertexAttribHelper(GLuint index, GLenum pname, uint32* param);
 
@@ -498,6 +503,10 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
   void FailGLError(GLenum /* error */) { }
 #endif
 
+  bool GetBoundGpuMemoryBuffer(const char* function_name, GLuint* buffer_id);
+  void* GetNativeHandleForBoundGpuMemoryBuffer();
+  bool GetPointervCHROMIUMHelper(GLenum pname, GLvoid** pointer);

[greggman, 2013/04/29 19:58:33]

confused. Your last comment said you didn't need GetPointerv any more. Do you
still need this?

[kaanb, 2013/04/30 03:40:10]

Removed.

+
   GLES2Util util_;
   GLES2CmdHelper* helper_;
   TransferBufferInterface* transfer_buffer_;
@@ -554,6 +563,9 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
   GLuint bound_pixel_pack_transfer_buffer_id_;
   GLuint bound_pixel_unpack_transfer_buffer_id_;
 
+  // The currently bound GPU memory buffer
+  GLuint bound_gpu_memory_buffer_id_;
+
   // Client side management for vertex array objects. Needed to correctly
   // track client side arrays.
   scoped_ptr<VertexArrayObjectManager> vertex_array_object_manager_;
@@ -600,6 +612,8 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
 
   scoped_ptr<BufferTracker> buffer_tracker_;
 
+  scoped_ptr<GpuMemoryBufferTracker> gpu_memory_buffer_tracker_;
+
   ErrorMessageCallback* error_message_callback_;
 
   scoped_ptr<std::string> current_trace_name_;