1 /* 2 * Copyright (C) 2007 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_LAYER_DIM_H 18 #define ANDROID_LAYER_DIM_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <EGL/egl.h> 24 #include <EGL/eglext.h> 25 26 #include "LayerBase.h" 27 28 // --------------------------------------------------------------------------- 29 30 namespace android { 31 32 class LayerDim : public LayerBaseClient 33 { 34 static bool sUseTexture; 35 static GLuint sTexId; 36 static EGLImageKHR sImage; 37 static int32_t sWidth; 38 static int32_t sHeight; 39 public: 40 static const uint32_t typeInfo; 41 static const char* const typeID; getTypeID()42 virtual char const* getTypeID() const { return typeID; } getTypeInfo()43 virtual uint32_t getTypeInfo() const { return typeInfo; } 44 45 LayerDim(SurfaceFlinger* flinger, DisplayID display, 46 const sp<Client>& client, int32_t i); 47 virtual ~LayerDim(); 48 49 virtual void onDraw(const Region& clip) const; needsBlending()50 virtual bool needsBlending() const { return true; } isSecure()51 virtual bool isSecure() const { return false; } 52 53 static void initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h); 54 }; 55 56 // --------------------------------------------------------------------------- 57 58 }; // namespace android 59 60 #endif // ANDROID_LAYER_DIM_H 61