Attach YUV420 to RGB converter to GLContext

ui/gl/gl_context_cgl.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_context_cgl.h"
 
 #include <OpenGL/CGLRenderers.h>
 #include <OpenGL/CGLTypes.h>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_switching_manager.h"
+#include "ui/gl/scoped_cgl.h"
+#include "ui/gl/yuv_to_rgb_converter.h"
 
 namespace gfx {
 
 namespace {
 
 bool g_support_renderer_switching;
 
 struct CGLRendererInfoObjDeleter {
   void operator()(CGLRendererInfoObj* x) {
     if (x)
@@ skipping 100 matching lines @@
   gpu_preference_ = gpu_preference;
   // Contexts that prefer integrated gpu are known to use only the subset of GL
   // that can be safely migrated between the iGPU and the dGPU. Mark those
   // contexts as safe to forcibly transition between the GPUs by default.
   // http://crbug.com/180876, http://crbug.com/227228
   safe_to_force_gpu_switch_ = gpu_preference == PreferIntegratedGpu;
   return true;
 }
 
 void GLContextCGL::Destroy() {
+  if (yuv_to_rgb_converter_) {
+    gfx::ScopedCGLSetCurrentContext(static_cast<CGLContextObj>(context_));
+    yuv_to_rgb_converter_.reset();
+  }
   if (discrete_pixelformat_) {
     if (base::MessageLoop::current() != nullptr) {
       // Delay releasing the pixel format for 10 seconds to reduce the number of
       // unnecessary GPU switches.
       base::MessageLoop::current()->PostDelayedTask(
           FROM_HERE, base::Bind(&CGLReleasePixelFormat, discrete_pixelformat_),
           base::TimeDelta::FromSeconds(10));
     } else {
       CGLReleasePixelFormat(discrete_pixelformat_);
     }
@@ skipping 39 matching lines @@
           screen_ = i;
           break;
         }
       }
       renderer_id_ = renderer_id;
     }
   }
   return true;
 }
 
+gl::YUVToRGBConverter* GLContextCGL::GetYUVToRGBConverter() {
+  if (!yuv_to_rgb_converter_)
+    yuv_to_rgb_converter_.reset(new gl::YUVToRGBConverter);
+  return yuv_to_rgb_converter_.get();
+}
+
 bool GLContextCGL::MakeCurrent(GLSurface* surface) {
   DCHECK(context_);
 
   if (!ForceGpuSwitchIfNeeded())
     return false;
 
   if (IsCurrent(surface))
     return true;
 
   ScopedReleaseCurrent release_current;
@@ skipping 59 matching lines @@
 
 GLContextCGL::~GLContextCGL() {
   Destroy();
 }
 
 GpuPreference GLContextCGL::GetGpuPreference() {
   return gpu_preference_;
 }
 
 }  // namespace gfx