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..ff63ee7365cbb0ed2650060d434e337731508697 100644
--- a/gpu/command_buffer/client/gles2_implementation.h
+++ b/gpu/command_buffer/client/gles2_implementation.h
@@ -18,6 +18,8 @@
 #include "../client/client_context_state.h"
 #include "../client/gles2_cmd_helper.h"
 #include "../client/gles2_interface.h"
+#include "../client/gpu_memory_buffer_tracker.h"
+#include "../client/image_factory.h"
 #include "../client/query_tracker.h"
 #include "../client/ref_counted.h"
 #include "../client/ring_buffer.h"
@@ -92,6 +94,9 @@
     GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION_ASSERT(!ptr || \
         (ptr[0] == static_cast<type>(0) || ptr[0] == static_cast<type>(-1)));
 
+// TODO(kaanb): Ask gman if there's a better header for this.
+#define GL_READ_WRITE                                    0x88BA
+
 struct GLUniformDefinitionCHROMIUM;
 
 namespace gpu {
@@ -102,6 +107,7 @@ class TransferBufferInterface;
 
 namespace gles2 {
 
+class ImageFactory;
 class VertexArrayObjectManager;
 
 // This class emulates GLES2 over command buffers. It can be used by a client
@@ -165,7 +171,8 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
       ShareGroup* share_group,
       TransferBufferInterface* transfer_buffer,
       bool share_resources,
-      bool bind_generates_resource);
+      bool bind_generates_resource,
+      ImageFactory* image_factory);
 
   virtual ~GLES2Implementation();
 
@@ -435,6 +442,14 @@ class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface {
       GLenum target, GLintptr offset, GLsizeiptr size, const void* data,
       ScopedTransferBufferPtr* buffer);
 
+  GLuint CreateImageCHROMIUMHelper(
+      GLsizei width, GLsizei height, GLenum internalformat);
+  void DestroyImageCHROMIUMHelper(GLuint image_id);
+  void* MapImageCHROMIUMHelper(GLuint image_id, GLenum access);
+  void UnmapImageCHROMIUMHelper(GLuint image_id);
+  void GetImageParameterivCHROMIUMHelper(
+      GLuint image_id, GLenum pname, GLint* params);
+
   // Helper for GetVertexAttrib
   bool GetVertexAttribHelper(GLuint index, GLenum pname, uint32* param);
 
@@ -600,10 +615,14 @@ 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_;
 
+  ImageFactory* image_factory_;  // weak

[reveman, 2013/05/14 01:21:04]

nit: no need for "weak" comment. that's already implied by not using scoped_ptr
or scoped_refptr.

[kaanb, 2013/05/14 18:12:11]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(GLES2Implementation);
 };