98787e6c9b
Now passes alphas and light radius, and correctly transforms light center for layers. Also fixes begin-frame/layer clears to be damage rect aware. Change-Id: I3b1415cd7bf1518c510145ebebdb745f494a2542
113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_BAKED_OP_RENDERER_H
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#define ANDROID_HWUI_BAKED_OP_RENDERER_H
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#include "BakedOpState.h"
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#include "Matrix.h"
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namespace android {
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namespace uirenderer {
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class Caches;
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struct Glop;
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class Layer;
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class RenderState;
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/**
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* Main rendering manager for a collection of work - one frame + any contained FBOs.
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*
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* Manages frame and FBO lifecycle, binding the GL framebuffer as appropriate. This is the only
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* place where FBOs are bound, created, and destroyed.
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*
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* All rendering operations will be sent by the Dispatcher, a collection of static methods,
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* which has intentionally limited access to the renderer functionality.
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*/
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class BakedOpRenderer {
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public:
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/**
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* Position agnostic shadow lighting info. Used with all shadow ops in scene.
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*/
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struct LightInfo {
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float lightRadius = 0;
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uint8_t ambientShadowAlpha = 0;
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uint8_t spotShadowAlpha = 0;
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};
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BakedOpRenderer(Caches& caches, RenderState& renderState, bool opaque, const LightInfo& lightInfo)
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: mRenderState(renderState)
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, mCaches(caches)
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, mOpaque(opaque)
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, mLightInfo(lightInfo) {
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}
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RenderState& renderState() { return mRenderState; }
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Caches& caches() { return mCaches; }
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void startFrame(uint32_t width, uint32_t height, const Rect& repaintRect);
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void endFrame();
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OffscreenBuffer* startTemporaryLayer(uint32_t width, uint32_t height);
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void startRepaintLayer(OffscreenBuffer* offscreenBuffer, const Rect& repaintRect);
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void endLayer();
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Texture* getTexture(const SkBitmap* bitmap);
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const LightInfo& getLightInfo() { return mLightInfo; }
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void renderGlop(const BakedOpState& state, const Glop& glop);
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bool didDraw() { return mHasDrawn; }
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private:
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void setViewport(uint32_t width, uint32_t height);
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void clearColorBuffer(const Rect& clearRect);
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RenderState& mRenderState;
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Caches& mCaches;
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bool mOpaque;
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bool mHasDrawn = false;
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// render target state - setup by start/end layer/frame
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// only valid to use in between start/end pairs.
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struct {
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GLuint frameBufferId = 0;
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OffscreenBuffer* offscreenBuffer = nullptr;
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uint32_t viewportWidth = 0;
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uint32_t viewportHeight = 0;
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Matrix4 orthoMatrix;
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} mRenderTarget;
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const LightInfo mLightInfo;
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};
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/**
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* Provides all "onBitmapOp(...)" style static methods for every op type, which convert the
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* RecordedOps and their state to Glops, and renders them with the provided BakedOpRenderer.
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*
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* This dispatcher is separate from the renderer so that the dispatcher / renderer interaction is
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* minimal through public BakedOpRenderer APIs.
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*/
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class BakedOpDispatcher {
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public:
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// Declares all "onBitmapOp(...)" style methods for every op type
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#define DISPATCH_METHOD(Type) \
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static void on##Type(BakedOpRenderer& renderer, const Type& op, const BakedOpState& state);
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MAP_OPS(DISPATCH_METHOD);
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_BAKED_OP_RENDERER_H
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