src/content/browser/compositor/gpu_browser_compositor_output_surface.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/compositor/gpu_browser_compositor_output_surface.h"
   6
   7 #include "cc/output/compositor_frame.h"
   8 #include "content/browser/compositor/reflector_impl.h"
   9 #include "content/common/gpu/client/context_provider_command_buffer.h"
  10 #include "gpu/command_buffer/client/gles2_interface.h"
  11
  12 namespace content {
  13
  14 GpuBrowserCompositorOutputSurface::GpuBrowserCompositorOutputSurface(
  15     const scoped_refptr<ContextProviderCommandBuffer>& context,
  16     int surface_id,
  17     IDMap<BrowserCompositorOutputSurface>* output_surface_map,
  18     base::MessageLoopProxy* compositor_message_loop,
  19     base::WeakPtr<ui::Compositor> compositor)
  20     : BrowserCompositorOutputSurface(context,
  21                                      surface_id,
  22                                      output_surface_map,
  23                                      compositor_message_loop,
  24                                      compositor) {}
  25
  26 GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() {}
  27
  28 void GpuBrowserCompositorOutputSurface::SwapBuffers(
  29     cc::CompositorFrame* frame) {
  30   DCHECK(frame->gl_frame_data);
  31
  32   ContextProviderCommandBuffer* provider_command_buffer =
  33       static_cast<ContextProviderCommandBuffer*>(context_provider_.get());
  34   CommandBufferProxyImpl* command_buffer_proxy =
  35       provider_command_buffer->GetCommandBufferProxy();
  36   DCHECK(command_buffer_proxy);
  37   context_provider_->ContextGL()->ShallowFlushCHROMIUM();
  38   command_buffer_proxy->SetLatencyInfo(frame->metadata.latency_info);
  39
  40   if (reflector_.get()) {
  41     if (frame->gl_frame_data->sub_buffer_rect ==
  42         gfx::Rect(frame->gl_frame_data->size))
  43       reflector_->OnSwapBuffers();
  44     else
  45       reflector_->OnPostSubBuffer(frame->gl_frame_data->sub_buffer_rect);
  46   }
  47
  48   OutputSurface::SwapBuffers(frame);
  49 }
  50
  51 }  // namespace content