content/browser/compositor/overlay_candidate_validator_ozone.cc

   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
   9 namespace content {
  10
  11 static 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::ALPHA_8:
  19     case cc::LUMINANCE_8:
  20     case cc::RGB_565:
  21     case cc::ETC1:
  22     case cc::RED_8:
  23       break;
  24   }
  25   NOTREACHED();
  26   return ui::SurfaceFactoryOzone::UNKNOWN;
  27 }
  28
  29 OverlayCandidateValidatorOzone::OverlayCandidateValidatorOzone(
  30     gfx::AcceleratedWidget widget,
  31     ui::OverlayCandidatesOzone* overlay_candidates)
  32     : widget_(widget), overlay_candidates_(overlay_candidates) {
  33 }
  34
  35 OverlayCandidateValidatorOzone::~OverlayCandidateValidatorOzone() {}
  36
  37 void OverlayCandidateValidatorOzone::CheckOverlaySupport(
  38     cc::OverlayCandidateList* surfaces) {
  39   DCHECK_GE(2U, surfaces->size());
  40   ui::OverlayCandidatesOzone::OverlaySurfaceCandidateList ozone_surface_list;
  41   ozone_surface_list.resize(surfaces->size());
  42
  43   for (size_t i = 0; i < surfaces->size(); i++) {
  44     ozone_surface_list.at(i).transform = surfaces->at(i).transform;
  45     ozone_surface_list.at(i).format = GetOzoneFormat(surfaces->at(i).format);
  46     ozone_surface_list.at(i).display_rect = surfaces->at(i).display_rect;
  47     ozone_surface_list.at(i).crop_rect = surfaces->at(i).uv_rect;
  48     ozone_surface_list.at(i).plane_z_order = surfaces->at(i).plane_z_order;
  49   }
  50
  51   overlay_candidates_->CheckOverlaySupport(&ozone_surface_list);
  52   DCHECK_EQ(surfaces->size(), ozone_surface_list.size());
  53
  54   for (size_t i = 0; i < surfaces->size(); i++) {
  55     surfaces->at(i).overlay_handled = ozone_surface_list.at(i).overlay_handled;
  56   }
  57 }
  58
  59 }  // namespace content