f219da5e32
With this change, the rendere keeps track of what regions are rendered into and generates a mesh that matches these regions exactly. The mesh is used to composite the layer on screen. Change-Id: I1f342576b9134fb29caff7fb8f4c1da179fe956d
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
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* Copyright (C) 2011 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_LAYER_RENDERER_H
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#define ANDROID_HWUI_LAYER_RENDERER_H
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#include "OpenGLRenderer.h"
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#include "Layer.h"
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Defines
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///////////////////////////////////////////////////////////////////////////////
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// Debug
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#if DEBUG_LAYER_RENDERER
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#define LAYER_RENDERER_LOGD(...) LOGD(__VA_ARGS__)
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#else
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#define LAYER_RENDERER_LOGD(...)
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// Renderer
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///////////////////////////////////////////////////////////////////////////////
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class LayerRenderer: public OpenGLRenderer {
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public:
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LayerRenderer(Layer* layer): mLayer(layer) {
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}
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~LayerRenderer() {
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}
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void prepare(bool opaque);
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void finish();
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bool hasLayer();
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Region* getRegion();
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static Layer* createLayer(uint32_t width, uint32_t height, bool isOpaque = false);
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static bool resizeLayer(Layer* layer, uint32_t width, uint32_t height);
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static void destroyLayer(Layer* layer);
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static void destroyLayerDeferred(Layer* layer);
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private:
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void generateMesh();
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Layer* mLayer;
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GLuint mPreviousFbo;
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}; // class LayerRenderer
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_LAYER_RENDERER_H
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