85 lines
2.8 KiB
C++
85 lines
2.8 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 <cutils/compiler.h>
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#include "OpenGLRenderer.h"
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#include "Layer.h"
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#include <SkBitmap.h>
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namespace android {
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namespace uirenderer {
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class RenderState;
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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(...) ALOGD(__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(RenderState& renderState, Layer* layer);
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virtual ~LayerRenderer();
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virtual void onViewportInitialized() override { /* do nothing */ }
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virtual void prepareDirty(int viewportWidth, int viewportHeight,
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float left, float top, float right, float bottom, bool opaque) override;
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virtual void clear(float left, float top, float right, float bottom, bool opaque) override;
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virtual bool finish() override;
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static Layer* createTextureLayer(RenderState& renderState);
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static Layer* createRenderLayer(RenderState& renderState, uint32_t width, uint32_t height);
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static bool resizeLayer(Layer* layer, uint32_t width, uint32_t height);
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static void updateTextureLayer(Layer* layer, uint32_t width, uint32_t height,
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bool isOpaque, bool forceFilter, GLenum renderTarget, const float* textureTransform);
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static void destroyLayer(Layer* layer);
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static bool copyLayer(RenderState& renderState, Layer* layer, SkBitmap* bitmap);
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static void flushLayer(RenderState& renderState, Layer* layer);
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protected:
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virtual void ensureStencilBuffer() override;
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virtual bool hasLayer() const override;
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virtual Region* getRegion() const override;
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virtual GLuint getTargetFbo() const override;
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virtual bool suppressErrorChecks() const override;
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private:
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void generateMesh();
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Layer* mLayer;
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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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