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|
/*
* Vulkan
*
* Copyright (C) 2015 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include <string.h>
#include "vulkan.h"
#include "vk_layer_utils.h"
typedef struct _VULKAN_FORMAT_INFO {
size_t size;
uint32_t channel_count;
} VULKAN_FORMAT_INFO;
// Set up data structure with number of bytes and number of channels
// for each Vulkan format.
static const VULKAN_FORMAT_INFO vk_format_table[VK_FORMAT_NUM] = {
{ 0, 0 }, // [VK_FORMAT_UNDEFINED]
{ 1, 2 }, // [VK_FORMAT_R4G4_UNORM]
{ 1, 2 }, // [VK_FORMAT_R4G4_USCALED]
{ 2, 4 }, // [VK_FORMAT_R4G4B4A4_UNORM]
{ 2, 4 }, // [VK_FORMAT_R4G4B4A4_USCALED]
{ 2, 3 }, // [VK_FORMAT_R5G6B5_UNORM]
{ 2, 3 }, // [VK_FORMAT_R5G6B5_USCALED]
{ 2, 4 }, // [VK_FORMAT_R5G5B5A1_UNORM]
{ 2, 4 }, // [VK_FORMAT_R5G5B5A1_USCALED]
{ 1, 1 }, // [VK_FORMAT_R8_UNORM]
{ 1, 1 }, // [VK_FORMAT_R8_SNORM]
{ 1, 1 }, // [VK_FORMAT_R8_USCALED]
{ 1, 1 }, // [VK_FORMAT_R8_SSCALED]
{ 1, 1 }, // [VK_FORMAT_R8_UINT]
{ 1, 1 }, // [VK_FORMAT_R8_SINT]
{ 1, 1 }, // [VK_FORMAT_R8_SRGB]
{ 2, 2 }, // [VK_FORMAT_R8G8_UNORM]
{ 2, 2 }, // [VK_FORMAT_R8G8_SNORM]
{ 2, 2 }, // [VK_FORMAT_R8G8_USCALED]
{ 2, 2 }, // [VK_FORMAT_R8G8_SSCALED]
{ 2, 2 }, // [VK_FORMAT_R8G8_UINT]
{ 2, 2 }, // [VK_FORMAT_R8G8_SINT]
{ 2, 2 }, // [VK_FORMAT_R8G8_SRGB]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_UNORM]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_SNORM]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_USCALED]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_SSCALED]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_UINT]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_SINT]
{ 3, 3 }, // [VK_FORMAT_R8G8B8_SRGB]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_UNORM]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_SNORM]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_USCALED]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_SSCALED]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_UINT]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_SINT]
{ 4, 4 }, // [VK_FORMAT_R8G8B8A8_SRGB]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_UNORM]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_SNORM]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_USCALED]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_SSCALED]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_UINT]
{ 4, 4 }, // [VK_FORMAT_R10G10B10A2_SINT]
{ 2, 1 }, // [VK_FORMAT_R16_UNORM]
{ 2, 1 }, // [VK_FORMAT_R16_SNORM]
{ 2, 1 }, // [VK_FORMAT_R16_USCALED]
{ 2, 1 }, // [VK_FORMAT_R16_SSCALED]
{ 2, 1 }, // [VK_FORMAT_R16_UINT]
{ 2, 1 }, // [VK_FORMAT_R16_SINT]
{ 2, 1 }, // [VK_FORMAT_R16_SFLOAT]
{ 4, 2 }, // [VK_FORMAT_R16G16_UNORM]
{ 4, 2 }, // [VK_FORMAT_R16G16_SNORM]
{ 4, 2 }, // [VK_FORMAT_R16G16_USCALED]
{ 4, 2 }, // [VK_FORMAT_R16G16_SSCALED]
{ 4, 2 }, // [VK_FORMAT_R16G16_UINT]
{ 4, 2 }, // [VK_FORMAT_R16G16_SINT]
{ 4, 2 }, // [VK_FORMAT_R16G16_SFLOAT]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_UNORM]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_SNORM]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_USCALED]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_SSCALED]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_UINT]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_SINT]
{ 6, 3 }, // [VK_FORMAT_R16G16B16_SFLOAT]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_UNORM]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_SNORM]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_USCALED]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_SSCALED]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_UINT]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_SINT]
{ 8, 4 }, // [VK_FORMAT_R16G16B16A16_SFLOAT]
{ 4, 1 }, // [VK_FORMAT_R32_UINT]
{ 4, 1 }, // [VK_FORMAT_R32_SINT]
{ 4, 1 }, // [VK_FORMAT_R32_SFLOAT]
{ 8, 2 }, // [VK_FORMAT_R32G32_UINT]
{ 8, 2 }, // [VK_FORMAT_R32G32_SINT]
{ 8, 2 }, // [VK_FORMAT_R32G32_SFLOAT]
{ 12, 3 }, // [VK_FORMAT_R32G32B32_UINT]
{ 12, 3 }, // [VK_FORMAT_R32G32B32_SINT]
{ 12, 3 }, // [VK_FORMAT_R32G32B32_SFLOAT]
{ 16, 4 }, // [VK_FORMAT_R32G32B32A32_UINT]
{ 16, 4 }, // [VK_FORMAT_R32G32B32A32_SINT]
{ 16, 4 }, // [VK_FORMAT_R32G32B32A32_SFLOAT]
{ 8, 1 }, // [VK_FORMAT_R64_SFLOAT]
{ 16, 2 }, // [VK_FORMAT_R64G64_SFLOAT]
{ 24, 3 }, // [VK_FORMAT_R64G64B64_SFLOAT]
{ 32, 4 }, // [VK_FORMAT_R64G64B64A64_SFLOAT]
{ 4, 3 }, // [VK_FORMAT_R11G11B10_UFLOAT]
{ 4, 3 }, // [VK_FORMAT_R9G9B9E5_UFLOAT]
{ 2, 1 }, // [VK_FORMAT_D16_UNORM]
{ 3, 1 }, // [VK_FORMAT_D24_UNORM_X8]
{ 4, 1 }, // [VK_FORMAT_D32_SFLOAT]
{ 1, 1 }, // [VK_FORMAT_S8_UINT]
{ 3, 2 }, // [VK_FORMAT_D16_UNORM_S8_UINT]
{ 4, 2 }, // [VK_FORMAT_D24_UNORM_S8_UINT]
{ 4, 2 }, // [VK_FORMAT_D32_SFLOAT_S8_UINT]
{ 8, 4 }, // [VK_FORMAT_BC1_RGB_UNORM]
{ 8, 4 }, // [VK_FORMAT_BC1_RGB_SRGB]
{ 8, 4 }, // [VK_FORMAT_BC1_RGBA_UNORM]
{ 8, 4 }, // [VK_FORMAT_BC1_RGBA_SRGB]
{ 16, 4 }, // [VK_FORMAT_BC2_UNORM]
{ 16, 4 }, // [VK_FORMAT_BC2_SRGB]
{ 16, 4 }, // [VK_FORMAT_BC3_UNORM]
{ 16, 4 }, // [VK_FORMAT_BC3_SRGB]
{ 8, 4 }, // [VK_FORMAT_BC4_UNORM]
{ 8, 4 }, // [VK_FORMAT_BC4_SNORM]
{ 16, 4 }, // [VK_FORMAT_BC5_UNORM]
{ 16, 4 }, // [VK_FORMAT_BC5_SNORM]
{ 16, 4 }, // [VK_FORMAT_BC6H_UFLOAT]
{ 16, 4 }, // [VK_FORMAT_BC6H_SFLOAT]
{ 16, 4 }, // [VK_FORMAT_BC7_UNORM]
{ 16, 4 }, // [VK_FORMAT_BC7_SRGB]
{ 8, 3 }, // [VK_FORMAT_ETC2_R8G8B8_UNORM]
{ 8, 3 }, // [VK_FORMAT_ETC2_R8G8B8_SRGB]
{ 8, 4 }, // [VK_FORMAT_ETC2_R8G8B8A1_UNORM]
{ 8, 4 }, // [VK_FORMAT_ETC2_R8G8B8A1_SRGB]
{ 8, 4 }, // [VK_FORMAT_ETC2_R8G8B8A8_UNORM]
{ 8, 4 }, // [VK_FORMAT_ETC2_R8G8B8A8_SRGB]
{ 8, 1 }, // [VK_FORMAT_EAC_R11_UNORM]
{ 8, 1 }, // [VK_FORMAT_EAC_R11_SNORM]
{ 16, 2 }, // [VK_FORMAT_EAC_R11G11_UNORM]
{ 16, 2 }, // [VK_FORMAT_EAC_R11G11_SNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_4x4_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_4x4_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_5x4_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_5x4_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_5x5_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_5x5_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_6x5_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_6x5_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_6x6_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_6x6_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x5_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x5_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x6_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x6_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x8_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_8x8_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x5_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x5_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x6_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x6_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x8_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x8_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x10_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_10x10_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_12x10_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_12x10_SRGB]
{ 16, 4 }, // [VK_FORMAT_ASTC_12x12_UNORM]
{ 16, 4 }, // [VK_FORMAT_ASTC_12x12_SRGB]
{ 2, 3 }, // [VK_FORMAT_B5G6R5_UNORM]
{ 2, 3 }, // [VK_FORMAT_B5G6R5_USCALED]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_UNORM]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_SNORM]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_USCALED]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_SSCALED]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_UINT]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_SINT]
{ 3, 3 }, // [VK_FORMAT_B8G8R8_SRGB]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_UNORM]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_SNORM]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_USCALED]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_SSCALED]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_UINT]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_SINT]
{ 4, 4 }, // [VK_FORMAT_B8G8R8A8_SRGB]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_UNORM]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_SNORM]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_USCALED]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_SSCALED]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_UINT]
{ 4, 4 }, // [VK_FORMAT_B10G10R10A2_SINT]
};
// Return true if format is a depth-stencil format
bool vk_format_is_ds(VkFormat format)
{
bool is_ds = false;
switch (format) {
case VK_FORMAT_D16_UNORM:
case VK_FORMAT_D24_UNORM_X8:
case VK_FORMAT_D32_SFLOAT:
case VK_FORMAT_S8_UINT:
case VK_FORMAT_D16_UNORM_S8_UINT:
case VK_FORMAT_D24_UNORM_S8_UINT:
case VK_FORMAT_D32_SFLOAT_S8_UINT:
is_ds = true;
break;
default:
break;
}
return is_ds;
}
// Return true if format is of time UNORM
bool vk_format_is_norm(VkFormat format)
{
bool is_norm = false;
switch (format) {
case VK_FORMAT_R4G4_UNORM:
case VK_FORMAT_R4G4B4A4_UNORM:
case VK_FORMAT_R5G6B5_UNORM:
case VK_FORMAT_R5G5B5A1_UNORM:
case VK_FORMAT_R8_UNORM:
case VK_FORMAT_R8_SNORM:
case VK_FORMAT_R8G8_UNORM:
case VK_FORMAT_R8G8_SNORM:
case VK_FORMAT_R8G8B8_UNORM:
case VK_FORMAT_R8G8B8_SNORM:
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8G8B8A8_SNORM:
case VK_FORMAT_R10G10B10A2_UNORM:
case VK_FORMAT_R10G10B10A2_SNORM:
case VK_FORMAT_R16_UNORM:
case VK_FORMAT_R16_SNORM:
case VK_FORMAT_R16G16_UNORM:
case VK_FORMAT_R16G16_SNORM:
case VK_FORMAT_R16G16B16_UNORM:
case VK_FORMAT_R16G16B16_SNORM:
case VK_FORMAT_R16G16B16A16_UNORM:
case VK_FORMAT_R16G16B16A16_SNORM:
case VK_FORMAT_BC1_RGB_UNORM:
case VK_FORMAT_BC2_UNORM:
case VK_FORMAT_BC3_UNORM:
case VK_FORMAT_BC4_UNORM:
case VK_FORMAT_BC4_SNORM:
case VK_FORMAT_BC5_UNORM:
case VK_FORMAT_BC5_SNORM:
case VK_FORMAT_BC7_UNORM:
case VK_FORMAT_ETC2_R8G8B8_UNORM:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM:
case VK_FORMAT_EAC_R11_UNORM:
case VK_FORMAT_EAC_R11_SNORM:
case VK_FORMAT_EAC_R11G11_UNORM:
case VK_FORMAT_EAC_R11G11_SNORM:
case VK_FORMAT_ASTC_4x4_UNORM:
case VK_FORMAT_ASTC_5x4_UNORM:
case VK_FORMAT_ASTC_5x5_UNORM:
case VK_FORMAT_ASTC_6x5_UNORM:
case VK_FORMAT_ASTC_6x6_UNORM:
case VK_FORMAT_ASTC_8x5_UNORM:
case VK_FORMAT_ASTC_8x6_UNORM:
case VK_FORMAT_ASTC_8x8_UNORM:
case VK_FORMAT_ASTC_10x5_UNORM:
case VK_FORMAT_ASTC_10x6_UNORM:
case VK_FORMAT_ASTC_10x8_UNORM:
case VK_FORMAT_ASTC_10x10_UNORM:
case VK_FORMAT_ASTC_12x10_UNORM:
case VK_FORMAT_ASTC_12x12_UNORM:
case VK_FORMAT_B5G6R5_UNORM:
case VK_FORMAT_B8G8R8_UNORM:
case VK_FORMAT_B8G8R8_SNORM:
case VK_FORMAT_B8G8R8A8_UNORM:
case VK_FORMAT_B8G8R8A8_SNORM:
case VK_FORMAT_B10G10R10A2_UNORM:
case VK_FORMAT_B10G10R10A2_SNORM:
is_norm = true;
break;
default:
break;
}
return is_norm;
};
// Return true if format is an integer format
bool vk_format_is_int(VkFormat format)
{
bool is_int = false;
switch (format) {
case VK_FORMAT_R8_UINT:
case VK_FORMAT_R8_SINT:
case VK_FORMAT_R8G8_UINT:
case VK_FORMAT_R8G8_SINT:
case VK_FORMAT_R8G8B8_UINT:
case VK_FORMAT_R8G8B8_SINT:
case VK_FORMAT_R8G8B8A8_UINT:
case VK_FORMAT_R8G8B8A8_SINT:
case VK_FORMAT_R10G10B10A2_UINT:
case VK_FORMAT_R10G10B10A2_SINT:
case VK_FORMAT_R16_UINT:
case VK_FORMAT_R16_SINT:
case VK_FORMAT_R16G16_UINT:
case VK_FORMAT_R16G16_SINT:
case VK_FORMAT_R16G16B16_UINT:
case VK_FORMAT_R16G16B16_SINT:
case VK_FORMAT_R16G16B16A16_UINT:
case VK_FORMAT_R16G16B16A16_SINT:
case VK_FORMAT_R32_UINT:
case VK_FORMAT_R32_SINT:
case VK_FORMAT_R32G32_UINT:
case VK_FORMAT_R32G32_SINT:
case VK_FORMAT_R32G32B32_UINT:
case VK_FORMAT_R32G32B32_SINT:
case VK_FORMAT_R32G32B32A32_UINT:
case VK_FORMAT_R32G32B32A32_SINT:
case VK_FORMAT_B8G8R8_UINT:
case VK_FORMAT_B8G8R8_SINT:
case VK_FORMAT_B8G8R8A8_UINT:
case VK_FORMAT_B8G8R8A8_SINT:
case VK_FORMAT_B10G10R10A2_UINT:
case VK_FORMAT_B10G10R10A2_SINT:
is_int = true;
break;
default:
break;
}
return is_int;
}
// Return true if format is a floating-point format
bool vk_format_is_float(VkFormat format)
{
bool is_float = false;
switch (format) {
case VK_FORMAT_R16_SFLOAT:
case VK_FORMAT_R16G16_SFLOAT:
case VK_FORMAT_R16G16B16_SFLOAT:
case VK_FORMAT_R16G16B16A16_SFLOAT:
case VK_FORMAT_R32_SFLOAT:
case VK_FORMAT_R32G32_SFLOAT:
case VK_FORMAT_R32G32B32_SFLOAT:
case VK_FORMAT_R32G32B32A32_SFLOAT:
case VK_FORMAT_R64_SFLOAT:
case VK_FORMAT_R64G64_SFLOAT:
case VK_FORMAT_R64G64B64_SFLOAT:
case VK_FORMAT_R64G64B64A64_SFLOAT:
case VK_FORMAT_R11G11B10_UFLOAT:
case VK_FORMAT_R9G9B9E5_UFLOAT:
case VK_FORMAT_BC6H_UFLOAT:
case VK_FORMAT_BC6H_SFLOAT:
is_float = true;
break;
default:
break;
}
return is_float;
}
// Return true if format is in the SRGB colorspace
bool vk_format_is_srgb(VkFormat format)
{
bool is_srgb = false;
switch (format) {
case VK_FORMAT_R8_SRGB:
case VK_FORMAT_R8G8_SRGB:
case VK_FORMAT_R8G8B8_SRGB:
case VK_FORMAT_R8G8B8A8_SRGB:
case VK_FORMAT_BC1_RGB_SRGB:
case VK_FORMAT_BC2_SRGB:
case VK_FORMAT_BC3_SRGB:
case VK_FORMAT_BC7_SRGB:
case VK_FORMAT_ETC2_R8G8B8_SRGB:
case VK_FORMAT_ETC2_R8G8B8A1_SRGB:
case VK_FORMAT_ETC2_R8G8B8A8_SRGB:
case VK_FORMAT_ASTC_4x4_SRGB:
case VK_FORMAT_ASTC_5x4_SRGB:
case VK_FORMAT_ASTC_5x5_SRGB:
case VK_FORMAT_ASTC_6x5_SRGB:
case VK_FORMAT_ASTC_6x6_SRGB:
case VK_FORMAT_ASTC_8x5_SRGB:
case VK_FORMAT_ASTC_8x6_SRGB:
case VK_FORMAT_ASTC_8x8_SRGB:
case VK_FORMAT_ASTC_10x5_SRGB:
case VK_FORMAT_ASTC_10x6_SRGB:
case VK_FORMAT_ASTC_10x8_SRGB:
case VK_FORMAT_ASTC_10x10_SRGB:
case VK_FORMAT_ASTC_12x10_SRGB:
case VK_FORMAT_ASTC_12x12_SRGB:
case VK_FORMAT_B8G8R8_SRGB:
case VK_FORMAT_B8G8R8A8_SRGB:
is_srgb = true;
break;
default:
break;
}
return is_srgb;
}
// Return true if format is compressed
bool vk_format_is_compressed(VkFormat format)
{
switch (format) {
case VK_FORMAT_BC1_RGB_UNORM:
case VK_FORMAT_BC1_RGB_SRGB:
case VK_FORMAT_BC2_UNORM:
case VK_FORMAT_BC2_SRGB:
case VK_FORMAT_BC3_UNORM:
case VK_FORMAT_BC3_SRGB:
case VK_FORMAT_BC4_UNORM:
case VK_FORMAT_BC4_SNORM:
case VK_FORMAT_BC5_UNORM:
case VK_FORMAT_BC5_SNORM:
case VK_FORMAT_BC6H_UFLOAT:
case VK_FORMAT_BC6H_SFLOAT:
case VK_FORMAT_BC7_UNORM:
case VK_FORMAT_BC7_SRGB:
case VK_FORMAT_ETC2_R8G8B8_UNORM:
case VK_FORMAT_ETC2_R8G8B8_SRGB:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM:
case VK_FORMAT_ETC2_R8G8B8A1_SRGB:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM:
case VK_FORMAT_ETC2_R8G8B8A8_SRGB:
case VK_FORMAT_EAC_R11_UNORM:
case VK_FORMAT_EAC_R11_SNORM:
case VK_FORMAT_EAC_R11G11_UNORM:
case VK_FORMAT_EAC_R11G11_SNORM:
case VK_FORMAT_ASTC_4x4_UNORM:
case VK_FORMAT_ASTC_4x4_SRGB:
case VK_FORMAT_ASTC_5x4_UNORM:
case VK_FORMAT_ASTC_5x4_SRGB:
case VK_FORMAT_ASTC_5x5_UNORM:
case VK_FORMAT_ASTC_5x5_SRGB:
case VK_FORMAT_ASTC_6x5_UNORM:
case VK_FORMAT_ASTC_6x5_SRGB:
case VK_FORMAT_ASTC_6x6_UNORM:
case VK_FORMAT_ASTC_6x6_SRGB:
case VK_FORMAT_ASTC_8x5_UNORM:
case VK_FORMAT_ASTC_8x5_SRGB:
case VK_FORMAT_ASTC_8x6_UNORM:
case VK_FORMAT_ASTC_8x6_SRGB:
case VK_FORMAT_ASTC_8x8_UNORM:
case VK_FORMAT_ASTC_8x8_SRGB:
case VK_FORMAT_ASTC_10x5_UNORM:
case VK_FORMAT_ASTC_10x5_SRGB:
case VK_FORMAT_ASTC_10x6_UNORM:
case VK_FORMAT_ASTC_10x6_SRGB:
case VK_FORMAT_ASTC_10x8_UNORM:
case VK_FORMAT_ASTC_10x8_SRGB:
case VK_FORMAT_ASTC_10x10_UNORM:
case VK_FORMAT_ASTC_10x10_SRGB:
case VK_FORMAT_ASTC_12x10_UNORM:
case VK_FORMAT_ASTC_12x10_SRGB:
case VK_FORMAT_ASTC_12x12_UNORM:
case VK_FORMAT_ASTC_12x12_SRGB:
return true;
default:
return false;
}
}
// Return size, in bytes, of a pixel of the specified format
size_t vk_format_get_size(VkFormat format)
{
return vk_format_table[format].size;
}
// Return the number of channels for a given format
unsigned int vk_format_get_channel_count(VkFormat format)
{
return vk_format_table[format].channel_count;
}
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