noop fence

ui/gl/gl_fence.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 "ui/gl/gl_fence.h"
 
 #include "base/compiler_specific.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_fence_arb.h"
 #include "ui/gl/gl_fence_egl.h"
+#include "ui/gl/gl_fence_noop.h"
 #include "ui/gl/gl_fence_nv.h"
 #include "ui/gl/gl_gl_api_implementation.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_version_info.h"
 
 #if defined(OS_MACOSX)
 #include "ui/gl/gl_fence_apple.h"
 #endif
 
 namespace gfx {
 
 GLFence::GLFence() {
 }
 
 GLFence::~GLFence() {
 }
 
 bool GLFence::IsSupported() {
   DCHECK(GetGLVersionInfo());
-  return g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 ||
+  return true ||
+         g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 ||
          GetGLImplementation() == kGLImplementationDesktopGLCoreProfile ||
 #if defined(OS_MACOSX)
          g_driver_gl.ext.b_GL_APPLE_fence ||
 #else
          g_driver_egl.ext.b_EGL_KHR_fence_sync ||
 #endif
          g_driver_gl.ext.b_GL_NV_fence;
 }
 
 GLFence* GLFence::Create() {
   DCHECK(GLContext::GetCurrent())
       << "Trying to create fence with no context";
 
-  scoped_ptr<GLFence> fence;
+  scoped_ptr<GLFence> fence(new GLFenceNoop);
   // Prefer ARB_sync which supports server-side wait.
   if (g_driver_gl.ext.b_GL_ARB_sync ||
       GetGLVersionInfo()->is_es3 ||
       GetGLImplementation() == kGLImplementationDesktopGLCoreProfile) {
     fence.reset(new GLFenceARB);
 #if defined(OS_MACOSX)
   } else if (g_driver_gl.ext.b_GL_APPLE_fence) {
     fence.reset(new GLFenceAPPLE);
 #else
   } else if (g_driver_egl.ext.b_EGL_KHR_fence_sync) {
@@ skipping 10 matching lines @@
 bool GLFence::ResetSupported() {
   // Resetting a fence to its original state isn't supported by default.
   return false;
 }
 
 void GLFence::ResetState() {
   NOTIMPLEMENTED();
 }
 
 }  // namespace gfx