1 /* 2 * Copyright (C) 2022 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_1_DISPLAY_GLWRAPPER_H 18 #define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_DISPLAY_GLWRAPPER_H 19 20 #include <android-base/logging.h> 21 #include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h> 22 #include <android/hardware/automotive/evs/1.1/types.h> 23 #include <bufferqueueconverter/BufferQueueConverter.h> 24 25 #include <EGL/egl.h> 26 #include <EGL/eglext.h> 27 #include <GLES2/gl2.h> 28 #include <GLES2/gl2ext.h> 29 #include <GLES3/gl3.h> 30 #include <GLES3/gl3ext.h> 31 32 namespace android::hardware::automotive::evs::V1_1::implementation { 33 34 using frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService; 35 using hardware::graphics::bufferqueue::V2_0::IGraphicBufferProducer; 36 37 class GlWrapper { 38 public: GlWrapper()39 GlWrapper() : mSurfaceHolder(android::SurfaceHolderUniquePtr(nullptr, nullptr)) {} 40 bool initialize(const sp<IAutomotiveDisplayProxyService>& service, uint64_t displayId); 41 void shutdown(); 42 43 bool updateImageTexture(const V1_0::BufferDesc& buffer); 44 bool updateImageTexture(const BufferDesc& buffer); 45 void renderImageToScreen(); 46 47 void showWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id); 48 void hideWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id); 49 getWidth()50 unsigned getWidth() { return mWidth; }; getHeight()51 unsigned getHeight() { return mHeight; }; 52 53 private: 54 sp<IGraphicBufferProducer> mGfxBufferProducer; 55 56 EGLDisplay mDisplay; 57 EGLSurface mSurface; 58 EGLContext mContext; 59 60 unsigned mWidth = 0; 61 unsigned mHeight = 0; 62 63 EGLImageKHR mKHRimage = EGL_NO_IMAGE_KHR; 64 65 GLuint mTextureMap = 0; 66 GLuint mShaderProgram = 0; 67 68 // Opaque handle for a native hardware buffer defined in 69 // frameworks/native/opengl/include/EGL/eglplatform.h 70 ANativeWindow* mWindow; 71 72 // Pointer to a Surface wrapper. 73 android::SurfaceHolderUniquePtr mSurfaceHolder; 74 }; 75 76 } // namespace android::hardware::automotive::evs::V1_1::implementation 77 78 #endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_DISPLAY_GLWRAPPER_H 79