Greg Daniel | 164a9f0 | 2016-02-22 09:56:40 -0500 | [diff] [blame^] | 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* 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 | |