| /* Copyright (c) 2015-2016 The Khronos Group Inc. | 
 |  * Copyright (c) 2015-2016 Valve Corporation | 
 |  * Copyright (c) 2015-2016 LunarG, Inc. | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *     http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  * | 
 |  * Author: Mark Lobodzinski <mark@lunarg.com> | 
 |  * | 
 |  */ | 
 |  | 
 | #include <string.h> | 
 | #include <string> | 
 | #include <vector> | 
 | #include <map> | 
 | #include "vulkan/vulkan.h" | 
 | #include "vk_layer_config.h" | 
 | #include "vk_layer_utils.h" | 
 |  | 
 | struct VULKAN_FORMAT_INFO { | 
 |     size_t size; | 
 |     uint32_t channel_count; | 
 |     VkFormatCompatibilityClass format_class; | 
 | }; | 
 |  | 
 | // Disable auto-formatting for this large table | 
 | // clang-format off | 
 |  | 
 | // Set up data structure with number of bytes and number of channels for each Vulkan format | 
 | const std::map<VkFormat, VULKAN_FORMAT_INFO> vk_format_table = { | 
 |     {VK_FORMAT_UNDEFINED,                   {0, 0, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT }}, | 
 |     {VK_FORMAT_R4G4_UNORM_PACK8,            {1, 2, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R4G4B4A4_UNORM_PACK16,       {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_B4G4R4A4_UNORM_PACK16,       {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R5G6B5_UNORM_PACK16,         {2, 3, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_B5G6R5_UNORM_PACK16,         {2, 3, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R5G5B5A1_UNORM_PACK16,       {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_B5G5R5A1_UNORM_PACK16,       {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_A1R5G5B5_UNORM_PACK16,       {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8_UNORM,                    {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_SNORM,                    {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_USCALED,                  {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_SSCALED,                  {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_UINT,                     {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_SINT,                     {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8_SRGB,                     {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}}, | 
 |     {VK_FORMAT_R8G8_UNORM,                  {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_SNORM,                  {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_USCALED,                {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_SSCALED,                {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_UINT,                   {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_SINT,                   {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8_SRGB,                   {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_UNORM,                {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_SNORM,                {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_USCALED,              {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_SSCALED,              {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_UINT,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_SINT,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8_SRGB,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_UNORM,                {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_SNORM,                {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_USCALED,              {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_SSCALED,              {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_UINT,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_SINT,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_B8G8R8_SRGB,                 {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_UNORM,              {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_SNORM,              {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_USCALED,            {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_SSCALED,            {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_UINT,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_SINT,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R8G8B8A8_SRGB,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_UNORM,              {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_SNORM,              {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_USCALED,            {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_SSCALED,            {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_UINT,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_SINT,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_B8G8R8A8_SRGB,               {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_UNORM_PACK32,       {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_SNORM_PACK32,       {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_USCALED_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_SSCALED_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_UINT_PACK32,        {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_SINT_PACK32,        {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A8B8G8R8_SRGB_PACK32,        {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_UNORM_PACK32,    {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_SNORM_PACK32,    {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_USCALED_PACK32,  {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_SSCALED_PACK32,  {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_UINT_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2R10G10B10_SINT_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_UNORM_PACK32,    {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_SNORM_PACK32,    {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_USCALED_PACK32,  {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_SSCALED_PACK32,  {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_UINT_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_A2B10G10R10_SINT_PACK32,     {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16_UNORM,                   {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_SNORM,                   {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_USCALED,                 {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_SSCALED,                 {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_UINT,                    {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_SINT,                    {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16_SFLOAT,                  {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}}, | 
 |     {VK_FORMAT_R16G16_UNORM,                {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_SNORM,                {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_USCALED,              {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_SSCALED,              {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_UINT,                 {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_SINT,                 {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16_SFLOAT,               {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_UNORM,             {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_SNORM,             {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_USCALED,           {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_SSCALED,           {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_UINT,              {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_SINT,              {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16_SFLOAT,            {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_UNORM,          {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_SNORM,          {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_USCALED,        {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_SSCALED,        {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_UINT,           {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_SINT,           {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R16G16B16A16_SFLOAT,         {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R32_UINT,                    {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R32_SINT,                    {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R32_SFLOAT,                  {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_R32G32_UINT,                 {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R32G32_SINT,                 {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R32G32_SFLOAT,               {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R32G32B32_UINT,              {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}}, | 
 |     {VK_FORMAT_R32G32B32_SINT,              {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}}, | 
 |     {VK_FORMAT_R32G32B32_SFLOAT,            {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}}, | 
 |     {VK_FORMAT_R32G32B32A32_UINT,           {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R32G32B32A32_SINT,           {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R32G32B32A32_SFLOAT,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R64_UINT,                    {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R64_SINT,                    {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R64_SFLOAT,                  {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}}, | 
 |     {VK_FORMAT_R64G64_UINT,                 {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R64G64_SINT,                 {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R64G64_SFLOAT,               {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}}, | 
 |     {VK_FORMAT_R64G64B64_UINT,              {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}}, | 
 |     {VK_FORMAT_R64G64B64_SINT,              {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}}, | 
 |     {VK_FORMAT_R64G64B64_SFLOAT,            {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}}, | 
 |     {VK_FORMAT_R64G64B64A64_UINT,           {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}}, | 
 |     {VK_FORMAT_R64G64B64A64_SINT,           {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}}, | 
 |     {VK_FORMAT_R64G64B64A64_SFLOAT,         {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}}, | 
 |     {VK_FORMAT_B10G11R11_UFLOAT_PACK32,     {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,      {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}}, | 
 |     {VK_FORMAT_D16_UNORM,                   {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_X8_D24_UNORM_PACK32,         {3, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_D32_SFLOAT,                  {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_S8_UINT,                     {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_D16_UNORM_S8_UINT,           {3, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_D24_UNORM_S8_UINT,           {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_D32_SFLOAT_S8_UINT,          {5, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}}, | 
 |     {VK_FORMAT_BC1_RGB_UNORM_BLOCK,         {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGB_BIT}}, | 
 |     {VK_FORMAT_BC1_RGB_SRGB_BLOCK,          {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGB_BIT}}, | 
 |     {VK_FORMAT_BC1_RGBA_UNORM_BLOCK,        {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGBA_BIT}}, | 
 |     {VK_FORMAT_BC1_RGBA_SRGB_BLOCK,         {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGBA_BIT}}, | 
 |     {VK_FORMAT_BC2_UNORM_BLOCK,             {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC2_BIT}}, | 
 |     {VK_FORMAT_BC2_SRGB_BLOCK,              {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC2_BIT}}, | 
 |     {VK_FORMAT_BC3_UNORM_BLOCK,             {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC3_BIT}}, | 
 |     {VK_FORMAT_BC3_SRGB_BLOCK,              {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC3_BIT}}, | 
 |     {VK_FORMAT_BC4_UNORM_BLOCK,             {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC4_BIT}}, | 
 |     {VK_FORMAT_BC4_SNORM_BLOCK,             {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC4_BIT}}, | 
 |     {VK_FORMAT_BC5_UNORM_BLOCK,             {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC5_BIT}}, | 
 |     {VK_FORMAT_BC5_SNORM_BLOCK,             {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC5_BIT}}, | 
 |     {VK_FORMAT_BC6H_UFLOAT_BLOCK,           {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC6H_BIT}}, | 
 |     {VK_FORMAT_BC6H_SFLOAT_BLOCK,           {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC6H_BIT}}, | 
 |     {VK_FORMAT_BC7_UNORM_BLOCK,             {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC7_BIT}}, | 
 |     {VK_FORMAT_BC7_SRGB_BLOCK,              {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC7_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,     {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGB_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,      {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGB_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,   {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGBA_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,    {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGBA_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,   {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_EAC_RGBA_BIT}}, | 
 |     {VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,    {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_EAC_RGBA_BIT}}, | 
 |     {VK_FORMAT_EAC_R11_UNORM_BLOCK,         {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_EAC_R_BIT}}, | 
 |     {VK_FORMAT_EAC_R11_SNORM_BLOCK,         {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_EAC_R_BIT}}, | 
 |     {VK_FORMAT_EAC_R11G11_UNORM_BLOCK,      {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_EAC_RG_BIT}}, | 
 |     {VK_FORMAT_EAC_R11G11_SNORM_BLOCK,      {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_EAC_RG_BIT}}, | 
 |     {VK_FORMAT_ASTC_4x4_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_4X4_BIT}}, | 
 |     {VK_FORMAT_ASTC_4x4_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_4X4_BIT}}, | 
 |     {VK_FORMAT_ASTC_5x4_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X4_BIT}}, | 
 |     {VK_FORMAT_ASTC_5x4_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X4_BIT}}, | 
 |     {VK_FORMAT_ASTC_5x5_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_5x5_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_6x5_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_6x5_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_6x6_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_6x6_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x5_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x5_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x6_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x6_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x8_UNORM_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X8_BIT}}, | 
 |     {VK_FORMAT_ASTC_8x8_SRGB_BLOCK,         {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X8_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x5_UNORM_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x5_SRGB_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X5_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x6_UNORM_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x6_SRGB_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x8_UNORM_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x8_SRGB_BLOCK,        {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x10_UNORM_BLOCK,      {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}}, | 
 |     {VK_FORMAT_ASTC_10x10_SRGB_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}}, | 
 |     {VK_FORMAT_ASTC_12x10_UNORM_BLOCK,      {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}}, | 
 |     {VK_FORMAT_ASTC_12x10_SRGB_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}}, | 
 |     {VK_FORMAT_ASTC_12x12_UNORM_BLOCK,      {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X12_BIT}}, | 
 |     {VK_FORMAT_ASTC_12x12_SRGB_BLOCK,       {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X12_BIT}}, | 
 |     {VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT }}, | 
 |     {VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT}}, | 
 |     {VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}}, | 
 |     {VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}}, | 
 |     {VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG,  {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}}, | 
 |     {VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG,  {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}}, | 
 |     {VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG,  {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}}, | 
 |     {VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG,  {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}}, | 
 | }; | 
 |  | 
 | // Renable formatting | 
 | // clang-format on | 
 |  | 
 | // Return true if format is an ETC2 or EAC compressed texture format | 
 | VK_LAYER_EXPORT bool vk_format_is_compressed_ETC2_EAC(VkFormat format) { | 
 |     bool found = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_SNORM_BLOCK: | 
 |             found = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |     return found; | 
 | } | 
 |  | 
 | // Return true if format is an ETC2 or EAC compressed texture format | 
 | VK_LAYER_EXPORT bool vk_format_is_compressed_ASTC_LDR(VkFormat format) { | 
 |     bool found = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_SRGB_BLOCK: | 
 |             found = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |     return found; | 
 | } | 
 |  | 
 | // Return true if format is a BC compressed texture format | 
 | VK_LAYER_EXPORT bool vk_format_is_compressed_BC(VkFormat format) { | 
 |     bool found = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_BC1_RGB_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGB_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC2_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC2_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC3_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC3_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC4_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC6H_UFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC6H_SFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC7_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC7_SRGB_BLOCK: | 
 |             found = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |     return found; | 
 | } | 
 |  | 
 | // Return true if format is a depth or stencil format | 
 | VK_LAYER_EXPORT 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 | 
 | VK_LAYER_EXPORT 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 | 
 | VK_LAYER_EXPORT bool vk_format_is_stencil_only(VkFormat format) { return (format == VK_FORMAT_S8_UINT); } | 
 |  | 
 | // Return true if format is a depth-only format | 
 | VK_LAYER_EXPORT bool vk_format_is_depth_only(VkFormat format) { | 
 |     bool is_depth = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_D16_UNORM: | 
 |         case VK_FORMAT_X8_D24_UNORM_PACK32: | 
 |         case VK_FORMAT_D32_SFLOAT: | 
 |             is_depth = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_depth; | 
 | } | 
 |  | 
 | // Return true if format is of type NORM | 
 | VK_LAYER_EXPORT bool vk_format_is_norm(VkFormat format) { | 
 |     bool is_norm = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_R4G4_UNORM_PACK8: | 
 |         case VK_FORMAT_R4G4B4A4_UNORM_PACK16: | 
 |         case VK_FORMAT_R5G6B5_UNORM_PACK16: | 
 |         case VK_FORMAT_R5G5B5A1_UNORM_PACK16: | 
 |         case VK_FORMAT_A1R5G5B5_UNORM_PACK16: | 
 |         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_A8B8G8R8_UNORM_PACK32: | 
 |         case VK_FORMAT_A8B8G8R8_SNORM_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_UNORM_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_SNORM_PACK32: | 
 |         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_BLOCK: | 
 |         case VK_FORMAT_BC2_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC3_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC7_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_SNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: | 
 |         case VK_FORMAT_B5G6R5_UNORM_PACK16: | 
 |         case VK_FORMAT_B8G8R8_UNORM: | 
 |         case VK_FORMAT_B8G8R8_SNORM: | 
 |         case VK_FORMAT_B8G8R8A8_UNORM: | 
 |         case VK_FORMAT_B8G8R8A8_SNORM: | 
 |         case VK_FORMAT_A2R10G10B10_UNORM_PACK32: | 
 |         case VK_FORMAT_A2R10G10B10_SNORM_PACK32: | 
 |             is_norm = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_norm; | 
 | }; | 
 |  | 
 | // Return true if format is of type UNORM | 
 | VK_LAYER_EXPORT bool vk_format_is_unorm(VkFormat format) { | 
 |     bool is_unorm = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_R4G4_UNORM_PACK8: | 
 |         case VK_FORMAT_R4G4B4A4_UNORM_PACK16: | 
 |         case VK_FORMAT_R5G6B5_UNORM_PACK16: | 
 |         case VK_FORMAT_R5G5B5A1_UNORM_PACK16: | 
 |         case VK_FORMAT_A1R5G5B5_UNORM_PACK16: | 
 |         case VK_FORMAT_R8_UNORM: | 
 |         case VK_FORMAT_R8G8_UNORM: | 
 |         case VK_FORMAT_R8G8B8_UNORM: | 
 |         case VK_FORMAT_R8G8B8A8_UNORM: | 
 |         case VK_FORMAT_A8B8G8R8_UNORM_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_UNORM_PACK32: | 
 |         case VK_FORMAT_R16_UNORM: | 
 |         case VK_FORMAT_R16G16_UNORM: | 
 |         case VK_FORMAT_R16G16B16_UNORM: | 
 |         case VK_FORMAT_R16G16B16A16_UNORM: | 
 |         case VK_FORMAT_BC1_RGB_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC2_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC3_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC7_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: | 
 |         case VK_FORMAT_B5G6R5_UNORM_PACK16: | 
 |         case VK_FORMAT_B8G8R8_UNORM: | 
 |         case VK_FORMAT_B8G8R8A8_UNORM: | 
 |         case VK_FORMAT_A2R10G10B10_UNORM_PACK32: | 
 |             is_unorm = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_unorm; | 
 | }; | 
 |  | 
 | // Return true if format is of type SNORM | 
 | VK_LAYER_EXPORT bool vk_format_is_snorm(VkFormat format) { | 
 |     bool is_snorm = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_R8_SNORM: | 
 |         case VK_FORMAT_R8G8_SNORM: | 
 |         case VK_FORMAT_R8G8B8_SNORM: | 
 |         case VK_FORMAT_R8G8B8A8_SNORM: | 
 |         case VK_FORMAT_A8B8G8R8_SNORM_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_SNORM_PACK32: | 
 |         case VK_FORMAT_R16_SNORM: | 
 |         case VK_FORMAT_R16G16_SNORM: | 
 |         case VK_FORMAT_R16G16B16_SNORM: | 
 |         case VK_FORMAT_R16G16B16A16_SNORM: | 
 |         case VK_FORMAT_BC4_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_SNORM_BLOCK: | 
 |         case VK_FORMAT_B8G8R8_SNORM: | 
 |         case VK_FORMAT_B8G8R8A8_SNORM: | 
 |         case VK_FORMAT_A2R10G10B10_SNORM_PACK32: | 
 |             is_snorm = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_snorm; | 
 | }; | 
 |  | 
 | // Return true if format is an integer format | 
 | VK_LAYER_EXPORT 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 | 
 | VK_LAYER_EXPORT 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_A8B8G8R8_UINT_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_UINT_PACK32: | 
 |         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_R64_UINT: | 
 |         case VK_FORMAT_R64G64_UINT: | 
 |         case VK_FORMAT_R64G64B64_UINT: | 
 |         case VK_FORMAT_R64G64B64A64_UINT: | 
 |         case VK_FORMAT_B8G8R8_UINT: | 
 |         case VK_FORMAT_B8G8R8A8_UINT: | 
 |         case VK_FORMAT_A2R10G10B10_UINT_PACK32: | 
 |             is_uint = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_uint; | 
 | } | 
 |  | 
 | // Return true if format is a signed integer format | 
 | VK_LAYER_EXPORT 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_A8B8G8R8_SINT_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_SINT_PACK32: | 
 |         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_R64_SINT: | 
 |         case VK_FORMAT_R64G64_SINT: | 
 |         case VK_FORMAT_R64G64B64_SINT: | 
 |         case VK_FORMAT_R64G64B64A64_SINT: | 
 |         case VK_FORMAT_B8G8R8_SINT: | 
 |         case VK_FORMAT_B8G8R8A8_SINT: | 
 |         case VK_FORMAT_A2R10G10B10_SINT_PACK32: | 
 |             is_sint = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_sint; | 
 | } | 
 |  | 
 | // Return true if format is a floating-point format | 
 | VK_LAYER_EXPORT 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_B10G11R11_UFLOAT_PACK32: | 
 |         case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32: | 
 |         case VK_FORMAT_BC6H_UFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC6H_SFLOAT_BLOCK: | 
 |             is_float = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_float; | 
 | } | 
 |  | 
 | // Return true if format is in the SRGB colorspace | 
 | VK_LAYER_EXPORT 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_A8B8G8R8_SRGB_PACK32: | 
 |         case VK_FORMAT_BC1_RGB_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC2_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC3_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC7_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_SRGB_BLOCK: | 
 |         case VK_FORMAT_B8G8R8_SRGB: | 
 |         case VK_FORMAT_B8G8R8A8_SRGB: | 
 |             is_srgb = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_srgb; | 
 | } | 
 |  | 
 | // Return true if format is in the USCALED colorspace | 
 | VK_LAYER_EXPORT bool vk_format_is_uscaled(VkFormat format) { | 
 |     bool is_uscaled = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_R8_USCALED: | 
 |         case VK_FORMAT_R8G8_USCALED: | 
 |         case VK_FORMAT_R8G8B8_USCALED: | 
 |         case VK_FORMAT_B8G8R8_USCALED: | 
 |         case VK_FORMAT_R8G8B8A8_USCALED: | 
 |         case VK_FORMAT_B8G8R8A8_USCALED: | 
 |         case VK_FORMAT_A8B8G8R8_USCALED_PACK32: | 
 |         case VK_FORMAT_A2R10G10B10_USCALED_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_USCALED_PACK32: | 
 |         case VK_FORMAT_R16_USCALED: | 
 |         case VK_FORMAT_R16G16_USCALED: | 
 |         case VK_FORMAT_R16G16B16_USCALED: | 
 |         case VK_FORMAT_R16G16B16A16_USCALED: | 
 |             is_uscaled = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_uscaled; | 
 | } | 
 |  | 
 | // Return true if format is in the SSCALED colorspace | 
 | VK_LAYER_EXPORT bool vk_format_is_sscaled(VkFormat format) { | 
 |     bool is_sscaled = false; | 
 |  | 
 |     switch (format) { | 
 |         case VK_FORMAT_R8_SSCALED: | 
 |         case VK_FORMAT_R8G8_SSCALED: | 
 |         case VK_FORMAT_R8G8B8_SSCALED: | 
 |         case VK_FORMAT_B8G8R8_SSCALED: | 
 |         case VK_FORMAT_R8G8B8A8_SSCALED: | 
 |         case VK_FORMAT_B8G8R8A8_SSCALED: | 
 |         case VK_FORMAT_A8B8G8R8_SSCALED_PACK32: | 
 |         case VK_FORMAT_A2R10G10B10_SSCALED_PACK32: | 
 |         case VK_FORMAT_A2B10G10R10_SSCALED_PACK32: | 
 |         case VK_FORMAT_R16_SSCALED: | 
 |         case VK_FORMAT_R16G16_SSCALED: | 
 |         case VK_FORMAT_R16G16B16_SSCALED: | 
 |         case VK_FORMAT_R16G16B16A16_SSCALED: | 
 |             is_sscaled = true; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     return is_sscaled; | 
 | } | 
 |  | 
 | // Return true if format is compressed | 
 | VK_LAYER_EXPORT bool vk_format_is_compressed(VkFormat format) { | 
 |     switch (format) { | 
 |         case VK_FORMAT_BC1_RGB_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGB_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC2_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC2_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC3_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC3_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC4_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC6H_UFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC6H_SFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC7_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC7_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_SNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_SRGB_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_SRGB_BLOCK: | 
 |             return true; | 
 |         default: | 
 |             return false; | 
 |     } | 
 | } | 
 |  | 
 | // Return compressed texel block sizes for block compressed formats | 
 | VK_LAYER_EXPORT VkExtent3D vk_format_compressed_texel_block_extents(VkFormat format) { | 
 |     VkExtent3D block_size = {1, 1, 1}; | 
 |     switch (format) { | 
 |         case VK_FORMAT_BC1_RGB_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGB_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC1_RGBA_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC2_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC2_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC3_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC3_SRGB_BLOCK: | 
 |         case VK_FORMAT_BC4_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC4_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC5_SNORM_BLOCK: | 
 |         case VK_FORMAT_BC6H_UFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC6H_SFLOAT_BLOCK: | 
 |         case VK_FORMAT_BC7_UNORM_BLOCK: | 
 |         case VK_FORMAT_BC7_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11_SNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_UNORM_BLOCK: | 
 |         case VK_FORMAT_EAC_R11G11_SNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_4x4_SRGB_BLOCK: | 
 |             block_size = {4, 4, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x4_SRGB_BLOCK: | 
 |             block_size = {5, 4, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_5x5_SRGB_BLOCK: | 
 |             block_size = {5, 5, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x5_SRGB_BLOCK: | 
 |             block_size = {6, 5, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_6x6_SRGB_BLOCK: | 
 |             block_size = {6, 6, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x5_SRGB_BLOCK: | 
 |             block_size = {8, 5, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x6_SRGB_BLOCK: | 
 |             block_size = {8, 6, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_8x8_SRGB_BLOCK: | 
 |             block_size = {8, 8, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x5_SRGB_BLOCK: | 
 |             block_size = {10, 5, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x6_SRGB_BLOCK: | 
 |             block_size = {10, 6, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x8_SRGB_BLOCK: | 
 |             block_size = {10, 8, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_10x10_SRGB_BLOCK: | 
 |             block_size = {10, 10, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x10_SRGB_BLOCK: | 
 |             block_size = {12, 10, 1}; | 
 |             break; | 
 |         case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: | 
 |         case VK_FORMAT_ASTC_12x12_SRGB_BLOCK: | 
 |             block_size = {12, 12, 1}; | 
 |             break; | 
 |         default: | 
 |             break; | 
 |     } | 
 |     return block_size; | 
 | } | 
 |  | 
 | // Return format class of the specified format | 
 | VK_LAYER_EXPORT VkFormatCompatibilityClass vk_format_get_compatibility_class(VkFormat format) { | 
 |     auto item = vk_format_table.find(format); | 
 |     if (item != vk_format_table.end()) { | 
 |         return item->second.format_class; | 
 |     } | 
 |     return VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT; | 
 | } | 
 |  | 
 | // Return size, in bytes, of a pixel of the specified format | 
 | VK_LAYER_EXPORT size_t vk_format_get_size(VkFormat format) { | 
 |     auto item = vk_format_table.find(format); | 
 |     if (item != vk_format_table.end()) { | 
 |         return item->second.size; | 
 |     } | 
 |     return 0; | 
 | } | 
 |  | 
 | // Return the number of channels for a given format | 
 | unsigned int vk_format_get_channel_count(VkFormat format) { | 
 |     auto item = vk_format_table.find(format); | 
 |     if (item != vk_format_table.end()) { | 
 |         return item->second.channel_count; | 
 |     } | 
 |     return 0; | 
 | } | 
 |  | 
 | // Perform a zero-tolerant modulo operation | 
 | VK_LAYER_EXPORT VkDeviceSize vk_safe_modulo(VkDeviceSize dividend, VkDeviceSize divisor) { | 
 |     VkDeviceSize result = 0; | 
 |     if (divisor != 0) { | 
 |         result = dividend % divisor; | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | static const uint8_t UTF8_ONE_BYTE_CODE = 0xC0; | 
 | static const uint8_t UTF8_ONE_BYTE_MASK = 0xE0; | 
 | static const uint8_t UTF8_TWO_BYTE_CODE = 0xE0; | 
 | static const uint8_t UTF8_TWO_BYTE_MASK = 0xF0; | 
 | static const uint8_t UTF8_THREE_BYTE_CODE = 0xF0; | 
 | static const uint8_t UTF8_THREE_BYTE_MASK = 0xF8; | 
 | static const uint8_t UTF8_DATA_BYTE_CODE = 0x80; | 
 | static const uint8_t UTF8_DATA_BYTE_MASK = 0xC0; | 
 |  | 
 | VK_LAYER_EXPORT VkStringErrorFlags vk_string_validate(const int max_length, const char *utf8) { | 
 |     VkStringErrorFlags result = VK_STRING_ERROR_NONE; | 
 |     int num_char_bytes = 0; | 
 |     int i, j; | 
 |  | 
 |     for (i = 0; i <= max_length; i++) { | 
 |         if (utf8[i] == 0) { | 
 |             break; | 
 |         } else if (i == max_length) { | 
 |             result = VK_STRING_ERROR_LENGTH; | 
 |             break; | 
 |         } else if ((utf8[i] >= 0xa) && (utf8[i] < 0x7f)) { | 
 |             num_char_bytes = 0; | 
 |         } else if ((utf8[i] & UTF8_ONE_BYTE_MASK) == UTF8_ONE_BYTE_CODE) { | 
 |             num_char_bytes = 1; | 
 |         } else if ((utf8[i] & UTF8_TWO_BYTE_MASK) == UTF8_TWO_BYTE_CODE) { | 
 |             num_char_bytes = 2; | 
 |         } else if ((utf8[i] & UTF8_THREE_BYTE_MASK) == UTF8_THREE_BYTE_CODE) { | 
 |             num_char_bytes = 3; | 
 |         } else { | 
 |             result = VK_STRING_ERROR_BAD_DATA; | 
 |         } | 
 |  | 
 |         // Validate the following num_char_bytes of data | 
 |         for (j = 0; (j < num_char_bytes) && (i < max_length); j++) { | 
 |             if (++i == max_length) { | 
 |                 result |= VK_STRING_ERROR_LENGTH; | 
 |                 break; | 
 |             } | 
 |             if ((utf8[i] & UTF8_DATA_BYTE_MASK) != UTF8_DATA_BYTE_CODE) { | 
 |                 result |= VK_STRING_ERROR_BAD_DATA; | 
 |             } | 
 |         } | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | // Utility function for finding a text string in another string | 
 | VK_LAYER_EXPORT bool white_list(const char *item, const char *list) { | 
 |     std::string candidate(item); | 
 |     std::string white_list(list); | 
 |     return (white_list.find(candidate) != std::string::npos); | 
 | } | 
 |  | 
 | // Debug callbacks get created in three ways: | 
 | //   o  Application-defined debug callbacks | 
 | //   o  Through settings in a vk_layer_settings.txt file | 
 | //   o  By default, if neither an app-defined debug callback nor a vk_layer_settings.txt file is present | 
 | // | 
 | // At layer initialization time, default logging callbacks are created to output layer error messages. | 
 | // If a vk_layer_settings.txt file is present its settings will override any default settings. | 
 | // | 
 | // If a vk_layer_settings.txt file is present and an application defines a debug callback, both callbacks | 
 | // will be active.  If no vk_layer_settings.txt file is present, creating an application-defined debug | 
 | // callback will cause the default callbacks to be unregisterd and removed. | 
 | VK_LAYER_EXPORT void layer_debug_actions(debug_report_data *report_data, std::vector<VkDebugReportCallbackEXT> &logging_callback, | 
 |                                          const VkAllocationCallbacks *pAllocator, const char *layer_identifier) { | 
 |     VkDebugReportCallbackEXT callback = VK_NULL_HANDLE; | 
 |  | 
 |     std::string report_flags_key = layer_identifier; | 
 |     std::string debug_action_key = layer_identifier; | 
 |     std::string log_filename_key = layer_identifier; | 
 |     report_flags_key.append(".report_flags"); | 
 |     debug_action_key.append(".debug_action"); | 
 |     log_filename_key.append(".log_filename"); | 
 |  | 
 |     // Initialize layer options | 
 |     VkDebugReportFlagsEXT report_flags = GetLayerOptionFlags(report_flags_key, report_flags_option_definitions, 0); | 
 |     VkLayerDbgActionFlags debug_action = GetLayerOptionFlags(debug_action_key, debug_actions_option_definitions, 0); | 
 |     // Flag as default if these settings are not from a vk_layer_settings.txt file | 
 |     bool default_layer_callback = (debug_action & VK_DBG_LAYER_ACTION_DEFAULT) ? true : false; | 
 |  | 
 |     if (debug_action & VK_DBG_LAYER_ACTION_LOG_MSG) { | 
 |         const char *log_filename = getLayerOption(log_filename_key.c_str()); | 
 |         FILE *log_output = getLayerLogOutput(log_filename, layer_identifier); | 
 |         VkDebugReportCallbackCreateInfoEXT dbgCreateInfo; | 
 |         memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo)); | 
 |         dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT; | 
 |         dbgCreateInfo.flags = report_flags; | 
 |         dbgCreateInfo.pfnCallback = log_callback; | 
 |         dbgCreateInfo.pUserData = (void *)log_output; | 
 |         layer_create_msg_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback); | 
 |         logging_callback.push_back(callback); | 
 |     } | 
 |  | 
 |     callback = VK_NULL_HANDLE; | 
 |  | 
 |     if (debug_action & VK_DBG_LAYER_ACTION_DEBUG_OUTPUT) { | 
 |         VkDebugReportCallbackCreateInfoEXT dbgCreateInfo; | 
 |         memset(&dbgCreateInfo, 0, sizeof(dbgCreateInfo)); | 
 |         dbgCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT; | 
 |         dbgCreateInfo.flags = report_flags; | 
 |         dbgCreateInfo.pfnCallback = win32_debug_output_msg; | 
 |         dbgCreateInfo.pUserData = NULL; | 
 |         layer_create_msg_callback(report_data, default_layer_callback, &dbgCreateInfo, pAllocator, &callback); | 
 |         logging_callback.push_back(callback); | 
 |     } | 
 | } |