1 // Copyright (C) 2022 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <EGL/egl.h> 18 #include <EGL/eglext.h> 19 #include <GLES2/gl2.h> 20 #include <GLES2/gl2ext.h> 21 22 #include <atomic> 23 #include <future> 24 25 #include "ColorBuffer.h" 26 #include "Display.h" 27 #include "Hwc2.h" 28 29 namespace gfxstream { 30 namespace gl { 31 32 class DisplayGl : public gfxstream::Display { 33 public: DisplayGl(TextureDraw * textureDraw)34 DisplayGl(TextureDraw* textureDraw): mTextureDraw(textureDraw) {} ~DisplayGl()35 ~DisplayGl() {} 36 37 struct PostLayer { 38 ColorBuffer* colorBuffer = nullptr; 39 40 std::optional<ComposeLayer> layerOptions; 41 42 // TODO: This should probably be removed and TextureDraw should 43 // only use drawLayer() but this is currently needed to support 44 // existing draw paths without depending on FrameBuffer directly. 45 struct OverlayOptions { 46 float rotation; 47 float dx; 48 float dy; 49 }; 50 std::optional<OverlayOptions> overlayOptions; 51 }; 52 53 // TODO(b/233939967): move to generic Display. 54 struct Post { 55 uint32_t frameWidth = 0; 56 uint32_t frameHeight = 0; 57 std::vector<PostLayer> layers; 58 }; 59 60 std::shared_future<void> post(const Post& request); 61 62 void viewport(int width, int height); 63 64 void clear(); 65 66 void exit(); 67 68 void setupContext(); 69 protected: bindToSurfaceImpl(gfxstream::DisplaySurface * surface)70 void bindToSurfaceImpl(gfxstream::DisplaySurface* surface) override {} surfaceUpdated(gfxstream::DisplaySurface * surface)71 void surfaceUpdated(gfxstream::DisplaySurface* surface) override {} unbindFromSurfaceImpl()72 void unbindFromSurfaceImpl() override {} 73 74 private: 75 int mViewportWidth = 0; 76 int mViewportHeight = 0; 77 78 TextureDraw* mTextureDraw = nullptr; 79 }; 80 81 } // namespace gl 82 } // namespace gfxstream 83