Command to mark surface inactive, so gpu process can release resources.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2011 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 465 matching lines @@
   virtual bool ResizeOffscreenFrameBuffer(const gfx::Size& size);
   void UpdateParentTextureInfo();
   virtual bool MakeCurrent();
   virtual GLES2Util* GetGLES2Util() { return &util_; }
   virtual gfx::GLContext* GetGLContext() { return context_.get(); }
   virtual gfx::GLSurface* GetGLSurface() { return surface_.get(); }
   virtual ContextGroup* GetContextGroup() { return group_.get(); }
 
   virtual void SetResizeCallback(Callback1<gfx::Size>::Type* callback);
 
+  virtual void SetSurfaceVisibleCallback(Callback1<bool>::Type* callback);
+
 #if defined(OS_MACOSX)
   virtual void SetSwapBuffersCallback(Callback0::Type* callback);
 #endif
 
   virtual void SetStreamTextureManager(StreamTextureManager* manager);
   virtual bool GetServiceTextureId(uint32 client_texture_id,
                                    uint32* service_texture_id);
 
   // Restores the current state to the user's settings.
   void RestoreCurrentFramebufferBindings();
@@ skipping 788 matching lines @@
   scoped_ptr<FrameBuffer> offscreen_saved_frame_buffer_;
   scoped_ptr<Texture> offscreen_saved_color_texture_;
 
   // The copy that is used as the destination for multi-sample resolves.
   scoped_ptr<FrameBuffer> offscreen_resolved_frame_buffer_;
   scoped_ptr<Texture> offscreen_resolved_color_texture_;
   GLenum offscreen_saved_color_format_;
 
   scoped_ptr<Callback1<gfx::Size>::Type> resize_callback_;
 
+  scoped_ptr<Callback1<bool>::Type> surface_visible_callback_;
+
 #if defined(OS_MACOSX)
   scoped_ptr<Callback0::Type> swap_buffers_callback_;
 #endif
 
   StreamTextureManager* stream_texture_manager_;
 
   // The format of the back buffer_
   GLenum back_buffer_color_format_;
   bool back_buffer_has_depth_;
   bool back_buffer_has_stencil_;
@@ skipping 1025 matching lines @@
         GL_TEXTURE_WRAP_T,
         GL_CLAMP_TO_EDGE);
   }
 }
 
 void GLES2DecoderImpl::SetResizeCallback(
     Callback1<gfx::Size>::Type* callback) {
   resize_callback_.reset(callback);
 }
 
+void GLES2DecoderImpl::SetSurfaceVisibleCallback(
+    Callback1<bool>::Type* callback) {
+  surface_visible_callback_.reset(callback);
+}
+
 #if defined(OS_MACOSX)
 void GLES2DecoderImpl::SetSwapBuffersCallback(Callback0::Type* callback) {
   swap_buffers_callback_.reset(callback);
 }
 #endif
 
 void GLES2DecoderImpl::SetStreamTextureManager(StreamTextureManager* manager) {
   stream_texture_manager_ = manager;
 }
 
@@ skipping 264 matching lines @@
   if (resize_callback_.get()) {
     resize_callback_->Run(gfx::Size(width, height));
     DCHECK(context_->IsCurrent(surface_.get()));
     if (!context_->IsCurrent(surface_.get()))
       return error::kLostContext;
   }
 
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleSetSurfaceVisibleCHROMIUM(
+    uint32 immediate_data_size, const gles2::SetSurfaceVisibleCHROMIUM& c) {
+  bool visible = !!static_cast<GLboolean>(c.visible);
+  TRACE_EVENT1("gpu", "glSetSurfaceVisibleChromium", "visible", visible);

[jonathan.backer, 2011/10/07 15:48:37]

I'm not sure if this should be upstreamed. Not all HandleXXX are logged.

+
+  if (surface_visible_callback_.get()) {
+    surface_visible_callback_->Run(visible);
+  }
+
+  return error::kNoError;
+}
+
 const char* GLES2DecoderImpl::GetCommandName(unsigned int command_id) const {
   if (command_id > kStartPoint && command_id < kNumCommands) {
     return gles2::GetCommandName(static_cast<CommandId>(command_id));
   }
   return GetCommonCommandName(static_cast<cmd::CommandId>(command_id));
 }
 
 // Decode command with its arguments, and call the corresponding GL function.
 // Note: args is a pointer to the command buffer. As such, it could be changed
 // by a (malicious) client at any time, so if validation has to happen, it
@@ skipping 4454 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