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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 "mojo/cc/output_surface_mojo.h"
#include "base/bind.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/output_surface_client.h"
#include "mojo/converters/geometry/geometry_type_converters.h"
#include "mojo/converters/surfaces/surfaces_type_converters.h"
namespace mojo {
OutputSurfaceMojo::OutputSurfaceMojo(
OutputSurfaceMojoClient* client,
const scoped_refptr<cc::ContextProvider>& context_provider,
SurfacePtr surface)
: cc::OutputSurface(context_provider),
output_surface_mojo_client_(client),
surface_(surface.Pass()),
id_namespace_(0u),
local_id_(0u) {
surface_->GetIdNamespace(
base::Bind(&OutputSurfaceMojo::SetIdNamespace, base::Unretained(this)));
capabilities_.delegated_rendering = true;
capabilities_.max_frames_pending = 1;
}
OutputSurfaceMojo::~OutputSurfaceMojo() {
}
void OutputSurfaceMojo::SetIdNamespace(uint32_t id_namespace) {
id_namespace_ = id_namespace;
if (local_id_) {
cc::SurfaceId qualified_id(static_cast<uint64_t>(id_namespace_) << 32 |
local_id_);
output_surface_mojo_client_->DidCreateSurface(qualified_id);
}
}
bool OutputSurfaceMojo::BindToClient(cc::OutputSurfaceClient* client) {
return cc::OutputSurface::BindToClient(client);
}
void OutputSurfaceMojo::SwapBuffers(cc::CompositorFrame* frame) {
gfx::Size frame_size =
frame->delegated_frame_data->render_pass_list.back()->output_rect.size();
if (frame_size != surface_size_) {
if (local_id_ != 0u) {
surface_->DestroySurface(local_id_);
}
local_id_++;
surface_->CreateSurface(local_id_);
if (id_namespace_) {
cc::SurfaceId qualified_id(static_cast<uint64_t>(id_namespace_) << 32 |
local_id_);
output_surface_mojo_client_->DidCreateSurface(qualified_id);
}
surface_size_ = frame_size;
}
surface_->SubmitFrame(local_id_, Frame::From(*frame), mojo::Closure());
client_->DidSwapBuffers();
client_->DidSwapBuffersComplete();
}
} // namespace mojo
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