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/*
* 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;
}
}
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