1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HWUI_LAYER_RENDERER_H 18 #define ANDROID_HWUI_LAYER_RENDERER_H 19 20 #include "OpenGLRenderer.h" 21 #include "Layer.h" 22 23 #include <SkBitmap.h> 24 25 namespace android { 26 namespace uirenderer { 27 28 /////////////////////////////////////////////////////////////////////////////// 29 // Defines 30 /////////////////////////////////////////////////////////////////////////////// 31 32 // Debug 33 #if DEBUG_LAYER_RENDERER 34 #define LAYER_RENDERER_LOGD(...) LOGD(__VA_ARGS__) 35 #else 36 #define LAYER_RENDERER_LOGD(...) 37 #endif 38 39 /////////////////////////////////////////////////////////////////////////////// 40 // Renderer 41 /////////////////////////////////////////////////////////////////////////////// 42 43 class LayerRenderer: public OpenGLRenderer { 44 public: LayerRenderer(Layer * layer)45 LayerRenderer(Layer* layer): mLayer(layer) { 46 } 47 ~LayerRenderer()48 ~LayerRenderer() { 49 } 50 51 void prepareDirty(float left, float top, float right, float bottom, bool opaque); 52 void finish(); 53 54 bool hasLayer(); 55 Region* getRegion(); 56 GLint getTargetFbo(); 57 58 static Layer* createTextureLayer(bool isOpaque); 59 static Layer* createLayer(uint32_t width, uint32_t height, bool isOpaque = false); 60 static bool resizeLayer(Layer* layer, uint32_t width, uint32_t height); 61 static void updateTextureLayer(Layer* layer, uint32_t width, uint32_t height, 62 bool isOpaque, GLenum renderTarget, float* transform); 63 static void destroyLayer(Layer* layer); 64 static void destroyLayerDeferred(Layer* layer); 65 static bool copyLayer(Layer* layer, SkBitmap* bitmap); 66 67 private: 68 void generateMesh(); 69 70 Layer* mLayer; 71 }; // class LayerRenderer 72 73 }; // namespace uirenderer 74 }; // namespace android 75 76 #endif // ANDROID_HWUI_LAYER_RENDERER_H 77