blimp: Move BlimpCompositor to use delegated rendering.

blimp/client/feature/compositor/blimp_output_surface.cc

-// Copyright 2015 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 "blimp/client/feature/compositor/blimp_output_surface.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "blimp/client/feature/compositor/blimp_context_provider.h"
-#include "cc/output/compositor_frame.h"
-#include "cc/output/output_surface_client.h"
-#include "gpu/command_buffer/client/context_support.h"
-
-namespace blimp {
-namespace client {
-
-BlimpOutputSurface::BlimpOutputSurface(
-    scoped_refptr<BlimpContextProvider> context_provider)
-    : cc::OutputSurface(std::move(context_provider), nullptr, nullptr) {}
-
-BlimpOutputSurface::~BlimpOutputSurface() {}
-
-void BlimpOutputSurface::SwapBuffers(cc::CompositorFrame frame) {
-  // See cc::OutputSurface::SwapBuffers() comment for details.
-  context_provider_->ContextSupport()->Swap();
-  cc::OutputSurface::PostSwapBuffersComplete();
-}
-
-uint32_t BlimpOutputSurface::GetFramebufferCopyTextureFormat() {
-  auto* gl = static_cast<BlimpContextProvider*>(context_provider());
-  return gl->GetCopyTextureInternalFormat();
-}
-
-}  // namespace client
-}  // namespace blimp