GPU client side changes for GpuMemoryBuffers

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 687 matching lines @@
   bool GenBuffersHelper(GLsizei n, const GLuint* client_ids);
   void DeleteBuffersHelper(GLsizei n, const GLuint* client_ids);
   bool GenFramebuffersHelper(GLsizei n, const GLuint* client_ids);
   void DeleteFramebuffersHelper(GLsizei n, const GLuint* client_ids);
   bool GenRenderbuffersHelper(GLsizei n, const GLuint* client_ids);
   void DeleteRenderbuffersHelper(GLsizei n, const GLuint* client_ids);
   bool GenQueriesEXTHelper(GLsizei n, const GLuint* client_ids);
   void DeleteQueriesEXTHelper(GLsizei n, const GLuint* client_ids);
   bool GenVertexArraysOESHelper(GLsizei n, const GLuint* client_ids);
   void DeleteVertexArraysOESHelper(GLsizei n, const GLuint* client_ids);
+  bool GenImageBuffersHelper(GLsizei n, const GLuint* client_ids);
+  void DeleteImageBuffersHelper(GLsizei n, const GLuint* client_ids);
 
   // Workarounds
   void OnFboChanged() const;
   void OnUseFramebuffer() const;
 
   // TODO(gman): Cache these pointers?
   BufferManager* buffer_manager() {
     return group_->buffer_manager();
   }
 
@@ skipping 1972 matching lines @@
     }
   }
   scoped_ptr<GLuint[]> service_ids(new GLuint[n]);
   glGenTextures(n, service_ids.get());
   for (GLsizei ii = 0; ii < n; ++ii) {
     CreateTexture(client_ids[ii], service_ids[ii]);
   }
   return true;
 }
 
+bool GLES2DecoderImpl::GenImageBuffersHelper(GLsizei n,
+                                             const GLuint* client_ids) {
+  for (GLsizei ii = 0; ii < n; ++ii) {
+    if (image_manager()->LookupImage(client_ids[ii])) {
+      return false;
+    }
+  }
+
+  // Image already inserted into the ImageManager within GpuMemoryBufferFactory.
+  return true;
+}
+
 void GLES2DecoderImpl::DeleteBuffersHelper(
     GLsizei n, const GLuint* client_ids) {
   for (GLsizei ii = 0; ii < n; ++ii) {
     Buffer* buffer = GetBuffer(client_ids[ii]);
     if (buffer && !buffer->IsDeleted()) {
       state_.vertex_attrib_manager->Unbind(buffer);
       if (state_.bound_array_buffer == buffer) {
         state_.bound_array_buffer = NULL;
       }
       RemoveBuffer(client_ids[ii]);
@@ skipping 98 matching lines @@
 #if defined(OS_MACOSX)
       if (texture->target() == GL_TEXTURE_RECTANGLE_ARB) {
         ReleaseIOSurfaceForTexture(service_id);
       }
 #endif
       RemoveTexture(client_ids[ii]);
     }
   }
 }
 
+void GLES2DecoderImpl::DeleteImageBuffersHelper(
+    GLsizei n, const GLuint* client_ids) {
+  for (GLsizei ii = 0; ii < n; ++ii) {
+    image_manager()->RemoveImage(client_ids[ii]);
+  }
+}
+
 // }  // anonymous namespace
 
 bool GLES2DecoderImpl::MakeCurrent() {
   if (!context_.get() || !context_->MakeCurrent(surface_.get()))
     return false;
 
   if (WasContextLost()) {
     LOG(ERROR) << "  GLES2DecoderImpl: Context lost during MakeCurrent.";
 
     // Some D3D drivers cannot recover from device lost in the GPU process
@@ skipping 7584 matching lines @@
   return error::kNoError;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu