| /* |
| * |
| * 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_RANGE_SIZE] = { |
| { 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 or stencil format |
| bool vk_format_is_depth_or_stencil(VkFormat format) |
| { |
| return (vk_format_is_depth_and_stencil(format) || |
| vk_format_is_depth_only(format) || |
| vk_format_is_stencil_only(format)); |
| } |
| |
| // Return true if format contains depth and stencil information |
| bool vk_format_is_depth_and_stencil(VkFormat format) |
| { |
| bool is_ds = false; |
| |
| switch (format) { |
| 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 a stencil-only format |
| bool vk_format_is_stencil_only(VkFormat format) |
| { |
| return (format == VK_FORMAT_S8_UINT); |
| } |
| |
| // Return true if format is a depth-only format |
| bool vk_format_is_depth_only(VkFormat format) |
| { |
| bool is_depth = false; |
| |
| switch (format) { |
| case VK_FORMAT_D16_UNORM: |
| case VK_FORMAT_D24_UNORM_X8: |
| case VK_FORMAT_D32_SFLOAT: |
| is_depth = true; |
| break; |
| default: |
| break; |
| } |
| |
| return is_depth; |
| } |
| |
| // 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) |
| { |
| return (vk_format_is_sint(format) || vk_format_is_uint(format)); |
| } |
| |
| // Return true if format is an unsigned integer format |
| bool vk_format_is_uint(VkFormat format) |
| { |
| bool is_uint = false; |
| |
| switch (format) { |
| case VK_FORMAT_R8_UINT: |
| case VK_FORMAT_R8G8_UINT: |
| case VK_FORMAT_R8G8B8_UINT: |
| case VK_FORMAT_R8G8B8A8_UINT: |
| case VK_FORMAT_R10G10B10A2_UINT: |
| case VK_FORMAT_R16_UINT: |
| case VK_FORMAT_R16G16_UINT: |
| case VK_FORMAT_R16G16B16_UINT: |
| case VK_FORMAT_R16G16B16A16_UINT: |
| case VK_FORMAT_R32_UINT: |
| case VK_FORMAT_R32G32_UINT: |
| case VK_FORMAT_R32G32B32_UINT: |
| case VK_FORMAT_R32G32B32A32_UINT: |
| case VK_FORMAT_B8G8R8_UINT: |
| case VK_FORMAT_B8G8R8A8_UINT: |
| case VK_FORMAT_B10G10R10A2_UINT: |
| is_uint = true; |
| break; |
| default: |
| break; |
| } |
| |
| return is_uint; |
| } |
| |
| // Return true if format is a signed integer format |
| bool vk_format_is_sint(VkFormat format) |
| { |
| bool is_sint = false; |
| |
| switch (format) { |
| case VK_FORMAT_R8_SINT: |
| case VK_FORMAT_R8G8_SINT: |
| case VK_FORMAT_R8G8B8_SINT: |
| case VK_FORMAT_R8G8B8A8_SINT: |
| case VK_FORMAT_R10G10B10A2_SINT: |
| case VK_FORMAT_R16_SINT: |
| case VK_FORMAT_R16G16_SINT: |
| case VK_FORMAT_R16G16B16_SINT: |
| case VK_FORMAT_R16G16B16A16_SINT: |
| case VK_FORMAT_R32_SINT: |
| case VK_FORMAT_R32G32_SINT: |
| case VK_FORMAT_R32G32B32_SINT: |
| case VK_FORMAT_R32G32B32A32_SINT: |
| case VK_FORMAT_B8G8R8_SINT: |
| case VK_FORMAT_B8G8R8A8_SINT: |
| case VK_FORMAT_B10G10R10A2_SINT: |
| is_sint = true; |
| break; |
| default: |
| break; |
| } |
| |
| return is_sint; |
| } |
| |
| // 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; |
| } |