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     const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
  19     scoped_ptr<cc::OverlayCandidateValidator> overlay_candidate_validator)
  20     : BrowserCompositorOutputSurface(context,
  21                                      surface_id,
  22                                      output_surface_map,
  23                                      vsync_manager) {
  24   overlay_candidate_validator_ = overlay_candidate_validator.Pass();
  25 }
  26
  27 GpuBrowserCompositorOutputSurface::~GpuBrowserCompositorOutputSurface() {}
  28
  29 void GpuBrowserCompositorOutputSurface::SwapBuffers(
  30     cc::CompositorFrame* frame) {
  31   DCHECK(frame->gl_frame_data);
  32
  33   ContextProviderCommandBuffer* provider_command_buffer =
  34       static_cast<ContextProviderCommandBuffer*>(context_provider_.get());
  35   CommandBufferProxyImpl* command_buffer_proxy =
  36       provider_command_buffer->GetCommandBufferProxy();
  37   DCHECK(command_buffer_proxy);
  38   context_provider_->ContextGL()->ShallowFlushCHROMIUM();
  39   command_buffer_proxy->SetLatencyInfo(frame->metadata.latency_info);
  40
  41   if (reflector_.get()) {
  42     if (frame->gl_frame_data->sub_buffer_rect ==
  43         gfx::Rect(frame->gl_frame_data->size))
  44       reflector_->OnSwapBuffers();
  45     else
  46       reflector_->OnPostSubBuffer(frame->gl_frame_data->sub_buffer_rect);
  47   }
  48
  49   OutputSurface::SwapBuffers(frame);
  50 }
  51
  52 }  // namespace content