Implemented new fence syncs which replaces the old sync points.

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 <cmath>
@@ skipping 670 matching lines @@
   Logger* GetLogger() override;
 
   void BeginDecoding() override;
   void EndDecoding() override;
 
   ErrorState* GetErrorState() override;
   const ContextState* GetContextState() override { return &state_; }
 
   void SetShaderCacheCallback(const ShaderCacheCallback& callback) override;
   void SetWaitSyncPointCallback(const WaitSyncPointCallback& callback) override;
+  void SetFenceSyncReleaseCallback(
+      const FenceSyncReleaseCallback& callback) override;
+  void SetWaitFenceSyncCallback(const WaitFenceSyncCallback& callback) override;
 
   void SetIgnoreCachedStateForTest(bool ignore) override;
   void ProcessFinishedAsyncTransfers();
 
   bool GetServiceTextureId(uint32 client_texture_id,
                            uint32* service_texture_id) override;
 
   uint32 GetTextureUploadCount() override;
   base::TimeDelta GetTotalTextureUploadTime() override;
   base::TimeDelta GetTotalProcessingCommandsTime() override;
@@ skipping 1286 matching lines @@
 
   scoped_ptr<QueryManager> query_manager_;
 
   scoped_ptr<VertexArrayManager> vertex_array_manager_;
 
   scoped_ptr<ImageManager> image_manager_;
 
   base::Callback<void(gfx::Size, float)> resize_callback_;
 
   WaitSyncPointCallback wait_sync_point_callback_;
+  FenceSyncReleaseCallback fence_sync_release_callback_;
+  WaitFenceSyncCallback wait_fence_sync_callback_;
 
   ShaderCacheCallback shader_cache_callback_;
 
   // The format of the back buffer_
   GLenum back_buffer_color_format_;
   bool back_buffer_has_depth_;
   bool back_buffer_has_stencil_;
 
   // Tracks read buffer and draw buffer for backbuffer, whether it's onscreen
   // or offscreen.
@@ skipping 1940 matching lines @@
 void GLES2DecoderImpl::SetShaderCacheCallback(
     const ShaderCacheCallback& callback) {
   shader_cache_callback_ = callback;
 }
 
 void GLES2DecoderImpl::SetWaitSyncPointCallback(
     const WaitSyncPointCallback& callback) {
   wait_sync_point_callback_ = callback;
 }
 
+void GLES2DecoderImpl::SetFenceSyncReleaseCallback(
+    const FenceSyncReleaseCallback& callback) {
+  fence_sync_release_callback_ = callback;
+}
+
+void GLES2DecoderImpl::SetWaitFenceSyncCallback(
+    const WaitFenceSyncCallback& callback) {
+  wait_fence_sync_callback_ = callback;
+}
+
 bool GLES2DecoderImpl::GetServiceTextureId(uint32 client_texture_id,
                                            uint32* service_texture_id) {
   TextureRef* texture_ref = texture_manager()->GetTexture(client_texture_id);
   if (texture_ref) {
     *service_texture_id = texture_ref->service_id();
     return true;
   }
   return false;
 }
 
@@ skipping 8274 matching lines @@
   const gles2::cmds::WaitSyncPointCHROMIUM& c =
       *static_cast<const gles2::cmds::WaitSyncPointCHROMIUM*>(cmd_data);
   uint32 sync_point = c.sync_point;
   if (wait_sync_point_callback_.is_null())
     return error::kNoError;
 
   return wait_sync_point_callback_.Run(sync_point) ?
       error::kNoError : error::kDeferCommandUntilLater;
 }
 
+error::Error GLES2DecoderImpl::HandleInsertFenceSyncCHROMIUM(
+    uint32 immediate_data_size,
+    const void* cmd_data) {
+  const gles2::cmds::InsertFenceSyncCHROMIUM& c =
+      *static_cast<const gles2::cmds::InsertFenceSyncCHROMIUM*>(cmd_data);
+
+  const uint64_t release_count = c.release_count;
+  if (!fence_sync_release_callback_.is_null())
+    fence_sync_release_callback_.Run(release_count);
+  return error::kNoError;
+}
+
+error::Error GLES2DecoderImpl::HandleGenSyncTokenCHROMIUMImmediate(
+    uint32 immediate_data_size,
+    const void* cmd_data) {
+  return error::kUnknownCommand;
+}
+
+error::Error GLES2DecoderImpl::HandleWaitSyncTokenCHROMIUM(
+    uint32 immediate_data_size,
+    const void* cmd_data) {
+  const gles2::cmds::WaitSyncTokenCHROMIUM& c =
+      *static_cast<const gles2::cmds::WaitSyncTokenCHROMIUM*>(cmd_data);
+
+  const gpu::CommandBufferNamespace namespace_id =
+      static_cast<gpu::CommandBufferNamespace>(c.namespace_id);
+  const uint64_t command_buffer_id = c.command_buffer_id;
+  const uint64_t release = c.release_count;
+  if (wait_fence_sync_callback_.is_null())
+    return error::kNoError;
+
+  return wait_fence_sync_callback_.Run(namespace_id, command_buffer_id, release)
+             ? error::kNoError
+             : error::kDeferCommandUntilLater;
+}
+
 error::Error GLES2DecoderImpl::HandleDiscardBackbufferCHROMIUM(
     uint32 immediate_data_size,
     const void* cmd_data) {
   if (surface_->DeferDraws())
     return error::kDeferCommandUntilLater;
   if (!surface_->SetBackbufferAllocation(false))
     return error::kLostContext;
   backbuffer_needs_clear_bits_ |= GL_COLOR_BUFFER_BIT;
   backbuffer_needs_clear_bits_ |= GL_DEPTH_BUFFER_BIT;
   backbuffer_needs_clear_bits_ |= GL_STENCIL_BUFFER_BIT;
@@ skipping 2798 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