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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
// #define LOG_NDEBUG 0
#undef LOG_TAG
#define LOG_TAG "EffectLayer"
#include "EffectLayer.h"
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <compositionengine/CompositionEngine.h>
#include <compositionengine/LayerFECompositionState.h>
#include <renderengine/RenderEngine.h>
#include <ui/GraphicBuffer.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include "DisplayDevice.h"
#include "SurfaceFlinger.h"
namespace android {
// ---------------------------------------------------------------------------
EffectLayer::EffectLayer(const LayerCreationArgs& args)
: Layer(args),
mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {}
EffectLayer::~EffectLayer() = default;
std::vector<compositionengine::LayerFE::LayerSettings> EffectLayer::prepareClientCompositionList(
compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
std::vector<compositionengine::LayerFE::LayerSettings> results;
std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
prepareClientComposition(targetSettings);
// Nothing to render.
if (!layerSettings) {
return {};
}
// set the shadow for the layer if needed
prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
// If fill bounds are occluded or the fill color is invalid skip the fill settings.
if (targetSettings.realContentIsVisible && fillsColor()) {
// Set color for color fill settings.
layerSettings->source.solidColor = getColor().rgb;
results.push_back(*layerSettings);
} else if (hasBlur() || drawShadows()) {
layerSettings->skipContentDraw = true;
results.push_back(*layerSettings);
}
return results;
}
bool EffectLayer::isVisible() const {
return !isHiddenByPolicy() && (getAlpha() > 0.0_hf || hasBlur()) && hasSomethingToDraw();
}
bool EffectLayer::setColor(const half3& color) {
if (mDrawingState.color.r == color.r && mDrawingState.color.g == color.g &&
mDrawingState.color.b == color.b) {
return false;
}
mDrawingState.sequence++;
mDrawingState.color.r = color.r;
mDrawingState.color.g = color.g;
mDrawingState.color.b = color.b;
mDrawingState.modified = true;
setTransactionFlags(eTransactionNeeded);
return true;
}
bool EffectLayer::setDataspace(ui::Dataspace dataspace) {
if (mDrawingState.dataspace == dataspace) {
return false;
}
mDrawingState.sequence++;
mDrawingState.dataspace = dataspace;
mDrawingState.modified = true;
setTransactionFlags(eTransactionNeeded);
return true;
}
void EffectLayer::preparePerFrameCompositionState() {
Layer::preparePerFrameCompositionState();
auto* compositionState = editCompositionState();
compositionState->color = getColor();
compositionState->compositionType =
aidl::android::hardware::graphics::composer3::Composition::SOLID_COLOR;
}
sp<compositionengine::LayerFE> EffectLayer::getCompositionEngineLayerFE() const {
// There's no need to get a CE Layer if the EffectLayer isn't going to draw anything. In that
// case, it acts more like a ContainerLayer so returning a null CE Layer makes more sense
if (hasSomethingToDraw()) {
return asLayerFE();
} else {
return nullptr;
}
}
compositionengine::LayerFECompositionState* EffectLayer::editCompositionState() {
return mCompositionState.get();
}
const compositionengine::LayerFECompositionState* EffectLayer::getCompositionState() const {
return mCompositionState.get();
}
bool EffectLayer::isOpaque(const Layer::State& s) const {
// Consider the layer to be opaque if its opaque flag is set or its effective
// alpha (considering the alpha of its parents as well) is 1.0;
return (s.flags & layer_state_t::eLayerOpaque) != 0 || (fillsColor() && getAlpha() == 1.0_hf);
}
ui::Dataspace EffectLayer::getDataSpace() const {
return mDrawingState.dataspace;
}
sp<Layer> EffectLayer::createClone() {
sp<EffectLayer> layer = mFlinger->getFactory().createEffectLayer(
LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, LayerMetadata()));
layer->setInitialValuesForClone(this);
return layer;
}
bool EffectLayer::fillsColor() const {
return mDrawingState.color.r >= 0.0_hf && mDrawingState.color.g >= 0.0_hf &&
mDrawingState.color.b >= 0.0_hf;
}
bool EffectLayer::hasBlur() const {
return getBackgroundBlurRadius() > 0 || getDrawingState().blurRegions.size() > 0;
}
} // namespace android
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
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