Add future sync point methods to ContextSupport.

gpu/command_buffer/client/gles2_implementation.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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
@@ skipping 2184 matching lines @@
     switch (name) {
       case GL_EXTENSIONS:
         str += std::string(str.empty() ? "" : " ") +
             "GL_CHROMIUM_flipy "
             "GL_EXT_unpack_subimage "
             "GL_CHROMIUM_map_sub";
         if (capabilities_.map_image) {
           // The first space character is intentional.
           str += " GL_CHROMIUM_map_image";
         }
+        if (capabilities_.future_sync_points)
+          str += " GL_CHROMIUM_future_sync_point";
         break;
       default:
         break;
     }
 
     // Because of WebGL the extensions can change. We have to cache each unique
     // result since we don't know when the client will stop referring to a
     // previous one it queries.
     GLStringMap::iterator it = gl_strings_.find(name);
     if (it == gl_strings_.end()) {
@@ skipping 1769 matching lines @@
   CheckGLError();
 }
 
 GLuint GLES2Implementation::InsertSyncPointCHROMIUM() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glInsertSyncPointCHROMIUM");
   helper_->CommandBufferHelper::Flush();
   return gpu_control_->InsertSyncPoint();
 }
 
+GLuint GLES2Implementation::InsertFutureSyncPointCHROMIUM() {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glInsertFutureSyncPointCHROMIUM");
+  DCHECK(capabilities_.future_sync_points);
+  helper_->CommandBufferHelper::Flush();
+  return gpu_control_->InsertFutureSyncPoint();
+}
+
+void GLES2Implementation::RetireSyncPointCHROMIUM(GLuint sync_point) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glRetireSyncPointCHROMIUM("
+                     << sync_point << ")");
+  DCHECK(capabilities_.future_sync_points);
+  helper_->CommandBufferHelper::Flush();
+  gpu_control_->RetireSyncPoint(sync_point);
+}
+
 GLuint GLES2Implementation::CreateImageCHROMIUMHelper(GLsizei width,
                                                       GLsizei height,
                                                       GLenum internalformat,
                                                       GLenum usage) {
   if (width <= 0) {
     SetGLError(GL_INVALID_VALUE, "glCreateImageCHROMIUM", "width <= 0");
     return 0;
   }
 
   if (height <= 0) {
@@ skipping 163 matching lines @@
   return true;
 }
 
 // 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/client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu