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| 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 |
| 10 bool 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 |
| 66 bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSam
ples) { |
| 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 |
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