1 // Copyright (C) 2024 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 <vector> 18 19 namespace cuttlefish { 20 21 struct RGBA8888 { 22 uint8_t r; 23 uint8_t g; 24 uint8_t b; 25 uint8_t a; 26 }; 27 28 // NOTE: Adjusts for the Vulkan coordinate system with (-1, -1) at the top left: 29 // 30 // const std::vector<uint8_t> contents = CreateImageContentsWithFourCorners( 31 // /*width=*/2, 32 // /*height=*/2, 33 // /*bottomLeft=*/<RED>, 34 // /*bottomRight=*/<BLUE>, 35 // /*topLeft=*/<GREEN>, 36 // /*topRight=*/<BLACK>); 37 // 38 // contents[ 0 through 3] == <GREEN> 39 // contents[ 4 through 7] == <BLACK> 40 // contents[ 8 through 11] == <RED> 41 // contents[12 through 15] == <BLUE> 42 std::vector<uint8_t> CreateImageContentsWithFourCorners( 43 uint32_t width, uint32_t height, const RGBA8888& bottomLeft, 44 const RGBA8888& bottomRight, const RGBA8888& topLeft, 45 const RGBA8888& topRight); 46 47 } // namespace cuttlefish