6c319ca127
With this new backend, a hardware layer is only recreated when its associated view is udpated. This offers fast composition in GL and fast update of the layer in GL as well. Change-Id: I97c43a612f5955c6bf1c192c8ca4af10fdf1d076
56 lines
1.6 KiB
C++
56 lines
1.6 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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namespace android {
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namespace uirenderer {
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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(GLuint fbo): mFbo(fbo) {
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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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static GLuint createLayer(uint32_t width, uint32_t height,
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uint32_t* layerWidth, uint32_t* layerHeight, GLuint* texture);
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static void resizeLayer(GLuint fbo, GLuint texture, uint32_t width, uint32_t height,
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uint32_t* layerWidth, uint32_t* layerHeight);
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static void destroyLayer(GLuint fbo, GLuint texture);
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private:
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GLuint mFbo;
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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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