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 // If false, this display will use the existing bound context when 38 // performing display ops. setUseBoundSurfaceContext(bool use)39 void setUseBoundSurfaceContext(bool use) { mUseBoundSurfaceContext = use; } 40 41 struct PostLayer { 42 ColorBuffer* colorBuffer = nullptr; 43 44 std::optional<ComposeLayer> layerOptions; 45 46 // TODO: This should probably be removed and TextureDraw should 47 // only use drawLayer() but this is currently needed to support 48 // existing draw paths without depending on FrameBuffer directly. 49 struct OverlayOptions { 50 float rotation; 51 float dx; 52 float dy; 53 }; 54 std::optional<OverlayOptions> overlayOptions; 55 }; 56 57 // TODO(b/233939967): move to generic Display. 58 struct Post { 59 uint32_t frameWidth = 0; 60 uint32_t frameHeight = 0; 61 std::vector<PostLayer> layers; 62 }; 63 64 std::shared_future<void> post(const Post& request); 65 66 void viewport(int width, int height); 67 68 void clear(); 69 70 protected: bindToSurfaceImpl(gfxstream::DisplaySurface * surface)71 void bindToSurfaceImpl(gfxstream::DisplaySurface* surface) override {} surfaceUpdated(gfxstream::DisplaySurface * surface)72 void surfaceUpdated(gfxstream::DisplaySurface* surface) override{} ; unbindFromSurfaceImpl()73 void unbindFromSurfaceImpl() override {} 74 75 private: 76 int mViewportWidth = 0; 77 int mViewportHeight = 0; 78 79 std::atomic_bool mUseBoundSurfaceContext{true}; 80 TextureDraw* mTextureDraw = nullptr; 81 }; 82 83 } // namespace gl 84 } // namespace gfxstream 85