platform_frameworks_base/libs/hwui/LightingInfo.h

87 lines
2.7 KiB
C++

/*
* Copyright (C) 2019 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.
*/
#pragma once
#include "Lighting.h"
#include "Properties.h"
namespace android {
namespace uirenderer {
class LightingInfo {
public:
static float getLightRadius() {
if (CC_UNLIKELY(Properties::overrideLightRadius > 0)) {
return Properties::overrideLightRadius;
}
return mLightRadius;
}
static uint8_t getAmbientShadowAlpha() {
if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) {
return Properties::overrideAmbientShadowStrength;
}
return mAmbientShadowAlpha;
}
static uint8_t getSpotShadowAlpha() {
if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) {
return Properties::overrideSpotShadowStrength;
}
return mSpotShadowAlpha;
}
static Vector3 getLightCenter() {
if (CC_UNLIKELY(Properties::overrideLightPosY > 0 || Properties::overrideLightPosZ > 0)) {
Vector3 adjustedLightCenter = mLightCenter;
if (CC_UNLIKELY(Properties::overrideLightPosY > 0)) {
// negated since this shifts up
adjustedLightCenter.y = -Properties::overrideLightPosY;
}
if (CC_UNLIKELY(Properties::overrideLightPosZ > 0)) {
adjustedLightCenter.z = Properties::overrideLightPosZ;
}
return adjustedLightCenter;
}
return mLightCenter;
}
static Vector3 getLightCenterRaw() {
return mLightCenter;
}
static void setLightCenterRaw(const Vector3& lightCenter) {
mLightCenter = lightCenter;
}
static void updateLighting(const LightGeometry& lightGeometry, const LightInfo& lightInfo) {
mLightRadius = lightGeometry.radius;
mAmbientShadowAlpha = lightInfo.ambientShadowAlpha;
mSpotShadowAlpha = lightInfo.spotShadowAlpha;
mLightCenter = lightGeometry.center;
}
private:
static float mLightRadius;
static uint8_t mAmbientShadowAlpha;
static uint8_t mSpotShadowAlpha;
static Vector3 mLightCenter;
};
} /* namespace uirenderer */
} /* namespace android */