android_webview/browser/parent_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 "android_webview/browser/parent_output_surface.h"
   6
   7 #include "cc/output/output_surface_client.h"
   8 #include "gpu/command_buffer/client/gles2_interface.h"
   9
  10 namespace android_webview {
  11
  12 ParentOutputSurface::ParentOutputSurface(
  13     scoped_refptr<cc::ContextProvider> context_provider)
  14     : cc::OutputSurface(context_provider) {
  15   capabilities_.draw_and_swap_full_viewport_every_frame = true;
  16 }
  17
  18 ParentOutputSurface::~ParentOutputSurface() {
  19 }
  20
  21 void ParentOutputSurface::SwapBuffers(cc::CompositorFrame* frame) {
  22   context_provider_->ContextGL()->ShallowFlushCHROMIUM();
  23   client_->DidSwapBuffers();
  24 }
  25
  26 void ParentOutputSurface::SetDrawConstraints(const gfx::Size& surface_size,
  27                                              const gfx::Rect& clip) {
  28   DCHECK(client_);
  29   surface_size_ = surface_size;
  30   const gfx::Transform identity;
  31   const gfx::Rect empty;
  32   const bool resourceless_software_draw = false;
  33   SetExternalDrawConstraints(
  34       identity, empty, clip, clip, identity, resourceless_software_draw);
  35 }
  36
  37 }  // namespace android_webview