blob: d8396a4176abfd87a89f4c31a830c052d99b1cc7 [file] [log] [blame]
// Copyright 2016 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 "cc/ipc/render_pass_struct_traits.h"
#include "base/numerics/safe_conversions.h"
#include "cc/ipc/shared_quad_state_struct_traits.h"
namespace mojo {
// static
bool StructTraits<cc::mojom::RenderPass, std::unique_ptr<cc::RenderPass>>::Read(
cc::mojom::RenderPassDataView data,
std::unique_ptr<cc::RenderPass>* out) {
*out = cc::RenderPass::Create();
if (!data.ReadId(&(*out)->id) || !data.ReadOutputRect(&(*out)->output_rect) ||
!data.ReadDamageRect(&(*out)->damage_rect) ||
!data.ReadTransformToRootTarget(&(*out)->transform_to_root_target)) {
return false;
}
(*out)->has_transparent_background = data.has_transparent_background();
mojo::ArrayDataView<cc::mojom::DrawQuadDataView> quads;
data.GetQuadListDataView(&quads);
cc::SharedQuadState* last_sqs = nullptr;
for (size_t i = 0; i < quads.size(); ++i) {
cc::mojom::DrawQuadDataView quad_data_view;
quads.GetDataView(i, &quad_data_view);
cc::mojom::DrawQuadStateDataView quad_state_data_view;
quad_data_view.GetDrawQuadStateDataView(&quad_state_data_view);
cc::DrawQuad* quad =
AllocateAndConstruct(quad_state_data_view.tag(), &(*out)->quad_list);
if (!quad)
return false;
if (!quads.Read(i, quad))
return false;
// Read the SharedQuadState.
cc::mojom::SharedQuadStateDataView sqs_data_view;
quad_data_view.GetSqsDataView(&sqs_data_view);
// If there is no seralized SharedQuadState then used the last deseriaized
// one.
if (!sqs_data_view.is_null()) {
last_sqs = (*out)->CreateAndAppendSharedQuadState();
if (!quad_data_view.ReadSqs(last_sqs))
return false;
}
quad->shared_quad_state = last_sqs;
if (!quad->shared_quad_state)
return false;
}
return true;
}
} // namespace mojo