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 "content/browser/compositor/overlay_candidate_validator_ozone.h"
6
7#include "ui/ozone/public/overlay_candidates_ozone.h"
8
9namespace content {
10
11static ui::SurfaceFactoryOzone::BufferFormat GetOzoneFormat(
12    cc::ResourceFormat overlay_format) {
13  switch (overlay_format) {
14    case cc::RGBA_8888:
15      return ui::SurfaceFactoryOzone::RGBA_8888;
16    case cc::RGBA_4444:
17    case cc::BGRA_8888:
18    case cc::LUMINANCE_8:
19    case cc::RGB_565:
20    case cc::ETC1:
21      break;
22  }
23  NOTREACHED();
24  return ui::SurfaceFactoryOzone::UNKNOWN;
25}
26
27OverlayCandidateValidatorOzone::OverlayCandidateValidatorOzone(
28    gfx::AcceleratedWidget widget,
29    ui::OverlayCandidatesOzone* overlay_candidates)
30    : widget_(widget), overlay_candidates_(overlay_candidates) {
31}
32
33OverlayCandidateValidatorOzone::~OverlayCandidateValidatorOzone() {}
34
35void OverlayCandidateValidatorOzone::CheckOverlaySupport(
36    cc::OverlayCandidateList* surfaces) {
37  DCHECK_GE(2U, surfaces->size());
38  ui::OverlayCandidatesOzone::OverlaySurfaceCandidateList ozone_surface_list;
39  ozone_surface_list.resize(surfaces->size());
40
41  for (size_t i = 0; i < surfaces->size(); i++) {
42    ozone_surface_list.at(i).transform = surfaces->at(i).transform;
43    ozone_surface_list.at(i).format = GetOzoneFormat(surfaces->at(i).format);
44    ozone_surface_list.at(i).display_rect = surfaces->at(i).display_rect;
45    ozone_surface_list.at(i).crop_rect = surfaces->at(i).uv_rect;
46    ozone_surface_list.at(i).plane_z_order = surfaces->at(i).plane_z_order;
47  }
48
49  overlay_candidates_->CheckOverlaySupport(&ozone_surface_list);
50  DCHECK_EQ(surfaces->size(), ozone_surface_list.size());
51
52  for (size_t i = 0; i < surfaces->size(); i++) {
53    surfaces->at(i).overlay_handled = ozone_surface_list.at(i).overlay_handled;
54  }
55}
56
57}  // namespace content
58