blob: 97f2d9265392862a36cc8971743e3604ebd60ff2 [file] [log] [blame]
// 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 "content/browser/compositor/browser_compositor_overlay_candidate_validator_ozone.h"
#include <stddef.h>
#include <utility>
#include "base/memory/ptr_util.h"
#include "cc/output/overlay_strategy_single_on_top.h"
#include "cc/output/overlay_strategy_underlay.h"
#include "ui/ozone/public/overlay_candidates_ozone.h"
namespace content {
static gfx::BufferFormat GetBufferFormat(cc::ResourceFormat overlay_format) {
switch (overlay_format) {
// TODO(dshwang): overlay video still uses RGBA_8888.
case cc::RGBA_8888:
case cc::BGRA_8888:
return gfx::BufferFormat::BGRA_8888;
default:
NOTREACHED();
return gfx::BufferFormat::BGRA_8888;
}
}
BrowserCompositorOverlayCandidateValidatorOzone::
BrowserCompositorOverlayCandidateValidatorOzone(
gfx::AcceleratedWidget widget,
std::unique_ptr<ui::OverlayCandidatesOzone> overlay_candidates)
: widget_(widget),
overlay_candidates_(std::move(overlay_candidates)),
software_mirror_active_(false) {}
BrowserCompositorOverlayCandidateValidatorOzone::
~BrowserCompositorOverlayCandidateValidatorOzone() {
}
void BrowserCompositorOverlayCandidateValidatorOzone::GetStrategies(
cc::OverlayProcessor::StrategyList* strategies) {
strategies->push_back(
base::WrapUnique(new cc::OverlayStrategySingleOnTop(this)));
strategies->push_back(
base::WrapUnique(new cc::OverlayStrategyUnderlay(this)));
}
bool BrowserCompositorOverlayCandidateValidatorOzone::AllowCALayerOverlays() {
return false;
}
void BrowserCompositorOverlayCandidateValidatorOzone::CheckOverlaySupport(
cc::OverlayCandidateList* surfaces) {
// SW mirroring copies out of the framebuffer, so we can't remove any
// quads for overlaying, otherwise the output is incorrect.
if (software_mirror_active_)
return;
DCHECK_GE(2U, surfaces->size());
ui::OverlayCandidatesOzone::OverlaySurfaceCandidateList ozone_surface_list;
ozone_surface_list.resize(surfaces->size());
for (size_t i = 0; i < surfaces->size(); i++) {
ozone_surface_list.at(i).transform = surfaces->at(i).transform;
ozone_surface_list.at(i).format = GetBufferFormat(surfaces->at(i).format);
ozone_surface_list.at(i).display_rect = surfaces->at(i).display_rect;
ozone_surface_list.at(i).crop_rect = surfaces->at(i).uv_rect;
ozone_surface_list.at(i).quad_rect_in_target_space =
surfaces->at(i).quad_rect_in_target_space;
ozone_surface_list.at(i).clip_rect = surfaces->at(i).clip_rect;
ozone_surface_list.at(i).is_clipped = surfaces->at(i).is_clipped;
ozone_surface_list.at(i).plane_z_order = surfaces->at(i).plane_z_order;
ozone_surface_list.at(i).buffer_size =
surfaces->at(i).resource_size_in_pixels;
}
overlay_candidates_->CheckOverlaySupport(&ozone_surface_list);
DCHECK_EQ(surfaces->size(), ozone_surface_list.size());
for (size_t i = 0; i < surfaces->size(); i++) {
surfaces->at(i).overlay_handled = ozone_surface_list.at(i).overlay_handled;
surfaces->at(i).display_rect = ozone_surface_list.at(i).display_rect;
}
}
void BrowserCompositorOverlayCandidateValidatorOzone::SetSoftwareMirrorMode(
bool enabled) {
software_mirror_active_ = enabled;
}
} // namespace content