1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "GrVkUtil.h" 9 GrPixelConfigToVkFormat(GrPixelConfig config,VkFormat * format)10bool GrPixelConfigToVkFormat(GrPixelConfig config, VkFormat* format) { 11 VkFormat dontCare; 12 if (!format) { 13 format = &dontCare; 14 } 15 16 switch (config) { 17 case kRGBA_8888_GrPixelConfig: 18 *format = VK_FORMAT_R8G8B8A8_UNORM; 19 break; 20 case kBGRA_8888_GrPixelConfig: 21 *format = VK_FORMAT_B8G8R8A8_UNORM; 22 break; 23 case kSRGBA_8888_GrPixelConfig: 24 *format = VK_FORMAT_R8G8B8A8_SRGB; 25 break; 26 case kRGB_565_GrPixelConfig: 27 *format = VK_FORMAT_R5G6B5_UNORM_PACK16; 28 break; 29 case kRGBA_4444_GrPixelConfig: 30 *format = VK_FORMAT_R4G4B4A4_UNORM_PACK16; 31 break; 32 case kIndex_8_GrPixelConfig: 33 // No current rad support for this config 34 return false; 35 case kAlpha_8_GrPixelConfig: 36 *format = VK_FORMAT_R8_UNORM; 37 break; 38 case kETC1_GrPixelConfig: 39 // converting to ETC2 which is a superset of ETC1 40 *format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK; 41 break; 42 case kLATC_GrPixelConfig: 43 // No current rad support for this config 44 return false; 45 case kR11_EAC_GrPixelConfig: 46 *format = VK_FORMAT_EAC_R11_UNORM_BLOCK; 47 break; 48 case kASTC_12x12_GrPixelConfig: 49 *format = VK_FORMAT_ASTC_12x12_UNORM_BLOCK; 50 break; 51 case kRGBA_float_GrPixelConfig: 52 *format = VK_FORMAT_R32G32B32A32_SFLOAT; 53 break; 54 case kRGBA_half_GrPixelConfig: 55 *format = VK_FORMAT_R16G16B16A16_SFLOAT; 56 break; 57 case kAlpha_half_GrPixelConfig: 58 *format = VK_FORMAT_R16_SFLOAT; 59 break; 60 default: 61 return false; 62 } 63 return true; 64 } 65 GrSampleCountToVkSampleCount(uint32_t samples,VkSampleCountFlagBits * vkSamples)66bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSamples) { 67 switch (samples) { 68 case 0: // fall through 69 case 1: 70 *vkSamples = VK_SAMPLE_COUNT_1_BIT; 71 return true; 72 case 2: 73 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 74 return true; 75 case 4: 76 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 77 return true; 78 case 8: 79 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 80 return true; 81 case 16: 82 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 83 return true; 84 case 32: 85 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 86 return true; 87 case 64: 88 *vkSamples = VK_SAMPLE_COUNT_2_BIT; 89 return true; 90 default: 91 return false; 92 } 93 } 94 95