1 /* 2 * Copyright (C) 2017 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_HARDWARE_AUTOMOTIVE_EVS_V1_0_DISPLAY_GLWRAPPER_H 18 #define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_DISPLAY_GLWRAPPER_H 19 20 #include <EGL/egl.h> 21 #include <EGL/eglext.h> 22 #include <GLES2/gl2.h> 23 #include <GLES2/gl2ext.h> 24 #include <GLES3/gl3.h> 25 #include <GLES3/gl3ext.h> 26 27 #include <gui/ISurfaceComposer.h> 28 #include <gui/Surface.h> 29 #include <gui/SurfaceComposerClient.h> 30 31 #include <android/hardware/automotive/evs/1.0/types.h> 32 33 34 using ::android::sp; 35 using ::android::SurfaceComposerClient; 36 using ::android::SurfaceControl; 37 using ::android::Surface; 38 using ::android::hardware::automotive::evs::V1_0::BufferDesc; 39 40 41 class GlWrapper { 42 public: 43 bool initialize(); 44 void shutdown(); 45 46 bool updateImageTexture(const BufferDesc& buffer); 47 void renderImageToScreen(); 48 49 void showWindow(); 50 void hideWindow(); 51 getWidth()52 unsigned getWidth() { return mWidth; }; getHeight()53 unsigned getHeight() { return mHeight; }; 54 55 private: 56 sp<SurfaceComposerClient> mFlinger; 57 sp<SurfaceControl> mFlingerSurfaceControl; 58 sp<Surface> mFlingerSurface; 59 EGLDisplay mDisplay; 60 EGLSurface mSurface; 61 EGLContext mContext; 62 63 unsigned mWidth = 0; 64 unsigned mHeight = 0; 65 66 EGLImageKHR mKHRimage = EGL_NO_IMAGE_KHR; 67 68 GLuint mTextureMap = 0; 69 GLuint mShaderProgram = 0; 70 }; 71 72 #endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_DISPLAY_GLWRAPPER_H 73