| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrVkUtil.h" |
| |
| bool GrPixelConfigToVkFormat(GrPixelConfig config, VkFormat* format) { |
| VkFormat dontCare; |
| if (!format) { |
| format = &dontCare; |
| } |
| |
| switch (config) { |
| case kRGBA_8888_GrPixelConfig: |
| *format = VK_FORMAT_R8G8B8A8_UNORM; |
| break; |
| case kBGRA_8888_GrPixelConfig: |
| *format = VK_FORMAT_B8G8R8A8_UNORM; |
| break; |
| case kSRGBA_8888_GrPixelConfig: |
| *format = VK_FORMAT_R8G8B8A8_SRGB; |
| break; |
| case kRGB_565_GrPixelConfig: |
| *format = VK_FORMAT_R5G6B5_UNORM_PACK16; |
| break; |
| case kRGBA_4444_GrPixelConfig: |
| *format = VK_FORMAT_R4G4B4A4_UNORM_PACK16; |
| break; |
| case kIndex_8_GrPixelConfig: |
| // No current rad support for this config |
| return false; |
| case kAlpha_8_GrPixelConfig: |
| *format = VK_FORMAT_R8_UNORM; |
| break; |
| case kETC1_GrPixelConfig: |
| // converting to ETC2 which is a superset of ETC1 |
| *format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK; |
| break; |
| case kLATC_GrPixelConfig: |
| // No current rad support for this config |
| return false; |
| case kR11_EAC_GrPixelConfig: |
| *format = VK_FORMAT_EAC_R11_UNORM_BLOCK; |
| break; |
| case kASTC_12x12_GrPixelConfig: |
| *format = VK_FORMAT_ASTC_12x12_UNORM_BLOCK; |
| break; |
| case kRGBA_float_GrPixelConfig: |
| *format = VK_FORMAT_R32G32B32A32_SFLOAT; |
| break; |
| case kRGBA_half_GrPixelConfig: |
| *format = VK_FORMAT_R16G16B16A16_SFLOAT; |
| break; |
| case kAlpha_half_GrPixelConfig: |
| *format = VK_FORMAT_R16_SFLOAT; |
| break; |
| default: |
| return false; |
| } |
| return true; |
| } |
| |
| bool GrSampleCountToVkSampleCount(uint32_t samples, VkSampleCountFlagBits* vkSamples) { |
| switch (samples) { |
| case 0: // fall through |
| case 1: |
| *vkSamples = VK_SAMPLE_COUNT_1_BIT; |
| return true; |
| case 2: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 4: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 8: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 16: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 32: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| case 64: |
| *vkSamples = VK_SAMPLE_COUNT_2_BIT; |
| return true; |
| default: |
| return false; |
| } |
| } |
| |