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// Copyright 2014 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 "components/mus/surfaces/surfaces_output_surface.h"
#include "base/bind.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/context_provider.h"
#include "cc/output/output_surface_client.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/gles2_interface.h"
namespace mus {
DirectOutputSurface::DirectOutputSurface(
const scoped_refptr<cc::ContextProvider>& context_provider)
: cc::OutputSurface(context_provider), weak_ptr_factory_(this) {}
DirectOutputSurface::~DirectOutputSurface() {}
void DirectOutputSurface::SwapBuffers(cc::CompositorFrame* frame) {
DCHECK(context_provider_.get());
DCHECK(frame->gl_frame_data);
if (frame->gl_frame_data->sub_buffer_rect ==
gfx::Rect(frame->gl_frame_data->size)) {
context_provider_->ContextSupport()->Swap();
} else {
context_provider_->ContextSupport()->PartialSwapBuffers(
frame->gl_frame_data->sub_buffer_rect);
}
uint32_t sync_point =
context_provider_->ContextGL()->InsertSyncPointCHROMIUM();
context_provider_->ContextSupport()->SignalSyncPoint(
sync_point, base::Bind(&OutputSurface::OnSwapBuffersComplete,
weak_ptr_factory_.GetWeakPtr()));
client_->DidSwapBuffers();
}
} // namespace mus
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