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