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/*
* Copyright (C) 2016 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 "renderthread/CanvasContext.h"
#include "FrameBuilder.h"
#include "renderthread/IRenderPipeline.h"
#include <SkSurface.h>
namespace android {
namespace uirenderer {
namespace skiapipeline {
class SkiaPipeline : public renderthread::IRenderPipeline {
public:
SkiaPipeline(renderthread::RenderThread& thread);
virtual ~SkiaPipeline() {}
TaskManager* getTaskManager() override;
void onDestroyHardwareResources() override;
bool pinImages(std::vector<SkImage*>& mutableImages) override;
bool pinImages(LsaVector<sk_sp<Bitmap>>& images) override { return false; }
void unpinImages() override;
void renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
LayerUpdateQueue* layerUpdateQueue, bool opaque, bool wideColorGamut,
const BakedOpRenderer::LightInfo& lightInfo) override;
bool createOrUpdateLayer(RenderNode* node,
const DamageAccumulator& damageAccumulator, bool wideColorGamut) override;
void renderFrame(const LayerUpdateQueue& layers, const SkRect& clip,
const std::vector< sp<RenderNode> >& nodes, bool opaque, bool wideColorGamut,
const Rect &contentDrawBounds, sk_sp<SkSurface> surface);
std::vector<VectorDrawableRoot*>* getVectorDrawables() { return &mVectorDrawables; }
static void destroyLayer(RenderNode* node);
static void prepareToDraw(const renderthread::RenderThread& thread, Bitmap* bitmap);
static void renderLayersImpl(const LayerUpdateQueue& layers, bool opaque, bool wideColorGamut);
static bool skpCaptureEnabled() { return false; }
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 void updateLighting(const FrameBuilder::LightGeometry& lightGeometry,
const BakedOpRenderer::LightInfo& lightInfo) {
mLightRadius = lightGeometry.radius;
mAmbientShadowAlpha = lightInfo.ambientShadowAlpha;
mSpotShadowAlpha = lightInfo.spotShadowAlpha;
mLightCenter = lightGeometry.center;
}
protected:
void dumpResourceCacheUsage() const;
renderthread::RenderThread& mRenderThread;
private:
void renderFrameImpl(const LayerUpdateQueue& layers, const SkRect& clip,
const std::vector< sp<RenderNode> >& nodes, bool opaque, bool wideColorGamut,
const Rect &contentDrawBounds, SkCanvas* canvas);
/**
* Debugging feature. Draws a semi-transparent overlay on each pixel, indicating
* how many times it has been drawn.
*/
void renderOverdraw(const LayerUpdateQueue& layers, const SkRect& clip,
const std::vector< sp<RenderNode> >& nodes, const Rect &contentDrawBounds,
sk_sp<SkSurface>);
/**
* Render mVectorDrawables into offscreen buffers.
*/
void renderVectorDrawableCache();
TaskManager mTaskManager;
std::vector<sk_sp<SkImage>> mPinnedImages;
/**
* populated by prepareTree with dirty VDs
*/
std::vector<VectorDrawableRoot*> mVectorDrawables;
static float mLightRadius;
static uint8_t mAmbientShadowAlpha;
static uint8_t mSpotShadowAlpha;
static Vector3 mLightCenter;
};
} /* namespace skiapipeline */
} /* namespace uirenderer */
} /* namespace android */
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