Add KTX2 support and remove KTX/CRN

.vscode/settings.json

@@ -17,7 +17,10 @@
         "Source/Shaders/**/*.js": true
     },
     "files.associations": {
-        "*.czml": "json"
+        "*.czml": "json",
+        "array": "cpp",
+        "string": "cpp",
+        "string_view": "cpp"
     },
     "eslint.enable": true,
     "javascript.format.insertSpaceAfterCommaDelimiter": true,

Apps/Sandcastle/gallery/3D Models.html

@@ -133,6 +133,15 @@
               );
             },
           },
+          {
+            text: "KTX2 Compressed Balloon",
+            onselect: function () {
+              createModel(
+                "../../SampleData/models/CesiumBalloonKTX2/CesiumBalloonKTX2.glb",
+                1000.0
+              );
+            },
+          },
         ];
 
         Sandcastle.addToolbarMenu(options);

Apps/Sandcastle/gallery/Image-Based Lighting.html

@@ -66,7 +66,7 @@
         }
 
         var environmentMapURL =
-          "https://cesium.com/public/SandcastleSampleData/kiara_6_afternoon_2k_ibl.ktx";
+          "../../SampleData/EnvironmentMap/kiara_6_afternoon_2k_ibl.ktx2";
         var modelURL = "../../SampleData/models/Pawns/Pawns.glb";
 
         // This environment map was processed using Google's Filament project. To process your own:

Apps/Sandcastle/gallery/Materials.html

@@ -221,14 +221,7 @@
         function applyCompressedTextureMaterial(primitive, scene) {
           Sandcastle.declare(applyCompressedTextureMaterial); // For highlighting in Sandcastle.
 
-          var compressedImageUrl;
-          if (scene.getCompressedTextureFormatSupported("s3tc")) {
-            compressedImageUrl = "../images/LogoDXT1.ktx";
-          } else if (scene.getCompressedTextureFormatSupported("etc1")) {
-            compressedImageUrl = "../images/LogoETC1.ktx";
-          } else if (scene.getCompressedTextureFormatSupported("pvrtc")) {
-            compressedImageUrl = "../images/LogoPVR.ktx";
-          }
+          var compressedImageUrl = "../images/LogoETC1.ktx2";
 
           primitive.appearance.material = new Cesium.Material({
             fabric: {

Source/Core/FeatureDetection.js

@@ -181,6 +181,10 @@ function supportsPointerEvents() {
   return hasPointerEvents;
 }
 
+function supportsBasis(context) {
+  return context.etc1 || context.s3tc || context.pvrtc;
+}
+
 var imageRenderingValueResult;
 var supportsImageRenderingPixelatedResult;
 function supportsImageRenderingPixelated() {
@@ -304,6 +308,7 @@ var FeatureDetection = {
   supportsPointerEvents: supportsPointerEvents,
   supportsImageRenderingPixelated: supportsImageRenderingPixelated,
   supportsWebP: supportsWebP,
+  supportsBasis: supportsBasis,
   imageRenderingValue: imageRenderingValue,
   typedArrayTypes: typedArrayTypes,
 };

Source/Core/VulkanConstants.js

@@ -0,0 +1,287 @@
+/**
+ * Enum containing Vulkan Constant values by name.
+ *
+ * These match the constants from the [Vulkan 1.2]{@link https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#formats-definition}
+ * specifications.
+ *
+ * @enum {Number}
+ * @private
+ */
+var VulkanConstants = {
+  VK_FORMAT_UNDEFINED: 0,
+  VK_FORMAT_R4G4_UNORM_PACK8: 1,
+  VK_FORMAT_R4G4B4A4_UNORM_PACK16: 2,
+  VK_FORMAT_B4G4R4A4_UNORM_PACK16: 3,
+  VK_FORMAT_R5G6B5_UNORM_PACK16: 4,
+  VK_FORMAT_B5G6R5_UNORM_PACK16: 5,
+  VK_FORMAT_R5G5B5A1_UNORM_PACK16: 6,
+  VK_FORMAT_B5G5R5A1_UNORM_PACK16: 7,
+  VK_FORMAT_A1R5G5B5_UNORM_PACK16: 8,
+  VK_FORMAT_R8_UNORM: 9,
+  VK_FORMAT_R8_SNORM: 10,
+  VK_FORMAT_R8_USCALED: 11,
+  VK_FORMAT_R8_SSCALED: 12,
+  VK_FORMAT_R8_UINT: 13,
+  VK_FORMAT_R8_SINT: 14,
+  VK_FORMAT_R8_SRGB: 15,
+  VK_FORMAT_R8G8_UNORM: 16,
+  VK_FORMAT_R8G8_SNORM: 17,
+  VK_FORMAT_R8G8_USCALED: 18,
+  VK_FORMAT_R8G8_SSCALED: 19,
+  VK_FORMAT_R8G8_UINT: 20,
+  VK_FORMAT_R8G8_SINT: 21,
+  VK_FORMAT_R8G8_SRGB: 22,
+  VK_FORMAT_R8G8B8_UNORM: 23,
+  VK_FORMAT_R8G8B8_SNORM: 24,
+  VK_FORMAT_R8G8B8_USCALED: 25,
+  VK_FORMAT_R8G8B8_SSCALED: 26,
+  VK_FORMAT_R8G8B8_UINT: 27,
+  VK_FORMAT_R8G8B8_SINT: 28,
+  VK_FORMAT_R8G8B8_SRGB: 29,
+  VK_FORMAT_B8G8R8_UNORM: 30,
+  VK_FORMAT_B8G8R8_SNORM: 31,
+  VK_FORMAT_B8G8R8_USCALED: 32,
+  VK_FORMAT_B8G8R8_SSCALED: 33,
+  VK_FORMAT_B8G8R8_UINT: 34,
+  VK_FORMAT_B8G8R8_SINT: 35,
+  VK_FORMAT_B8G8R8_SRGB: 36,
+  VK_FORMAT_R8G8B8A8_UNORM: 37,
+  VK_FORMAT_R8G8B8A8_SNORM: 38,
+  VK_FORMAT_R8G8B8A8_USCALED: 39,
+  VK_FORMAT_R8G8B8A8_SSCALED: 40,
+  VK_FORMAT_R8G8B8A8_UINT: 41,
+  VK_FORMAT_R8G8B8A8_SINT: 42,
+  VK_FORMAT_R8G8B8A8_SRGB: 43,
+  VK_FORMAT_B8G8R8A8_UNORM: 44,
+  VK_FORMAT_B8G8R8A8_SNORM: 45,
+  VK_FORMAT_B8G8R8A8_USCALED: 46,
+  VK_FORMAT_B8G8R8A8_SSCALED: 47,
+  VK_FORMAT_B8G8R8A8_UINT: 48,
+  VK_FORMAT_B8G8R8A8_SINT: 49,
+  VK_FORMAT_B8G8R8A8_SRGB: 50,
+  VK_FORMAT_A8B8G8R8_UNORM_PACK32: 51,
+  VK_FORMAT_A8B8G8R8_SNORM_PACK32: 52,
+  VK_FORMAT_A8B8G8R8_USCALED_PACK32: 53,
+  VK_FORMAT_A8B8G8R8_SSCALED_PACK32: 54,
+  VK_FORMAT_A8B8G8R8_UINT_PACK32: 55,
+  VK_FORMAT_A8B8G8R8_SINT_PACK32: 56,
+  VK_FORMAT_A8B8G8R8_SRGB_PACK32: 57,
+  VK_FORMAT_A2R10G10B10_UNORM_PACK32: 58,
+  VK_FORMAT_A2R10G10B10_SNORM_PACK32: 59,
+  VK_FORMAT_A2R10G10B10_USCALED_PACK32: 60,
+  VK_FORMAT_A2R10G10B10_SSCALED_PACK32: 61,
+  VK_FORMAT_A2R10G10B10_UINT_PACK32: 62,
+  VK_FORMAT_A2R10G10B10_SINT_PACK32: 63,
+  VK_FORMAT_A2B10G10R10_UNORM_PACK32: 64,
+  VK_FORMAT_A2B10G10R10_SNORM_PACK32: 65,
+  VK_FORMAT_A2B10G10R10_USCALED_PACK32: 66,
+  VK_FORMAT_A2B10G10R10_SSCALED_PACK32: 67,
+  VK_FORMAT_A2B10G10R10_UINT_PACK32: 68,
+  VK_FORMAT_A2B10G10R10_SINT_PACK32: 69,
+  VK_FORMAT_R16_UNORM: 70,
+  VK_FORMAT_R16_SNORM: 71,
+  VK_FORMAT_R16_USCALED: 72,
+  VK_FORMAT_R16_SSCALED: 73,
+  VK_FORMAT_R16_UINT: 74,
+  VK_FORMAT_R16_SINT: 75,
+  VK_FORMAT_R16_SFLOAT: 76,
+  VK_FORMAT_R16G16_UNORM: 77,
+  VK_FORMAT_R16G16_SNORM: 78,
+  VK_FORMAT_R16G16_USCALED: 79,
+  VK_FORMAT_R16G16_SSCALED: 80,
+  VK_FORMAT_R16G16_UINT: 81,
+  VK_FORMAT_R16G16_SINT: 82,
+  VK_FORMAT_R16G16_SFLOAT: 83,
+  VK_FORMAT_R16G16B16_UNORM: 84,
+  VK_FORMAT_R16G16B16_SNORM: 85,
+  VK_FORMAT_R16G16B16_USCALED: 86,
+  VK_FORMAT_R16G16B16_SSCALED: 87,
+  VK_FORMAT_R16G16B16_UINT: 88,
+  VK_FORMAT_R16G16B16_SINT: 89,
+  VK_FORMAT_R16G16B16_SFLOAT: 90,
+  VK_FORMAT_R16G16B16A16_UNORM: 91,
+  VK_FORMAT_R16G16B16A16_SNORM: 92,
+  VK_FORMAT_R16G16B16A16_USCALED: 93,
+  VK_FORMAT_R16G16B16A16_SSCALED: 94,
+  VK_FORMAT_R16G16B16A16_UINT: 95,
+  VK_FORMAT_R16G16B16A16_SINT: 96,
+  VK_FORMAT_R16G16B16A16_SFLOAT: 97,
+  VK_FORMAT_R32_UINT: 98,
+  VK_FORMAT_R32_SINT: 99,
+  VK_FORMAT_R32_SFLOAT: 100,
+  VK_FORMAT_R32G32_UINT: 101,
+  VK_FORMAT_R32G32_SINT: 102,
+  VK_FORMAT_R32G32_SFLOAT: 103,
+  VK_FORMAT_R32G32B32_UINT: 104,
+  VK_FORMAT_R32G32B32_SINT: 105,
+  VK_FORMAT_R32G32B32_SFLOAT: 106,
+  VK_FORMAT_R32G32B32A32_UINT: 107,
+  VK_FORMAT_R32G32B32A32_SINT: 108,
+  VK_FORMAT_R32G32B32A32_SFLOAT: 109,
+  VK_FORMAT_R64_UINT: 110,
+  VK_FORMAT_R64_SINT: 111,
+  VK_FORMAT_R64_SFLOAT: 112,
+  VK_FORMAT_R64G64_UINT: 113,
+  VK_FORMAT_R64G64_SINT: 114,
+  VK_FORMAT_R64G64_SFLOAT: 115,
+  VK_FORMAT_R64G64B64_UINT: 116,
+  VK_FORMAT_R64G64B64_SINT: 117,
+  VK_FORMAT_R64G64B64_SFLOAT: 118,
+  VK_FORMAT_R64G64B64A64_UINT: 119,
+  VK_FORMAT_R64G64B64A64_SINT: 120,
+  VK_FORMAT_R64G64B64A64_SFLOAT: 121,
+  VK_FORMAT_B10G11R11_UFLOAT_PACK32: 122,
+  VK_FORMAT_E5B9G9R9_UFLOAT_PACK32: 123,
+  VK_FORMAT_D16_UNORM: 124,
+  VK_FORMAT_X8_D24_UNORM_PACK32: 125,
+  VK_FORMAT_D32_SFLOAT: 126,
+  VK_FORMAT_S8_UINT: 127,
+  VK_FORMAT_D16_UNORM_S8_UINT: 128,
+  VK_FORMAT_D24_UNORM_S8_UINT: 129,
+  VK_FORMAT_D32_SFLOAT_S8_UINT: 130,
+  VK_FORMAT_BC1_RGB_UNORM_BLOCK: 131,
+  VK_FORMAT_BC1_RGB_SRGB_BLOCK: 132,
+  VK_FORMAT_BC1_RGBA_UNORM_BLOCK: 133,
+  VK_FORMAT_BC1_RGBA_SRGB_BLOCK: 134,
+  VK_FORMAT_BC2_UNORM_BLOCK: 135,
+  VK_FORMAT_BC2_SRGB_BLOCK: 136,
+  VK_FORMAT_BC3_UNORM_BLOCK: 137,
+  VK_FORMAT_BC3_SRGB_BLOCK: 138,
+  VK_FORMAT_BC4_UNORM_BLOCK: 139,
+  VK_FORMAT_BC4_SNORM_BLOCK: 140,
+  VK_FORMAT_BC5_UNORM_BLOCK: 141,
+  VK_FORMAT_BC5_SNORM_BLOCK: 142,
+  VK_FORMAT_BC6H_UFLOAT_BLOCK: 143,
+  VK_FORMAT_BC6H_SFLOAT_BLOCK: 144,
+  VK_FORMAT_BC7_UNORM_BLOCK: 145,
+  VK_FORMAT_BC7_SRGB_BLOCK: 146,
+  VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK: 147,
+  VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK: 148,
+  VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK: 149,
+  VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK: 150,
+  VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK: 151,
+  VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK: 152,
+  VK_FORMAT_EAC_R11_UNORM_BLOCK: 153,
+  VK_FORMAT_EAC_R11_SNORM_BLOCK: 154,
+  VK_FORMAT_EAC_R11G11_UNORM_BLOCK: 155,
+  VK_FORMAT_EAC_R11G11_SNORM_BLOCK: 156,
+  VK_FORMAT_ASTC_4x4_UNORM_BLOCK: 157,
+  VK_FORMAT_ASTC_4x4_SRGB_BLOCK: 158,
+  VK_FORMAT_ASTC_5x4_UNORM_BLOCK: 159,
+  VK_FORMAT_ASTC_5x4_SRGB_BLOCK: 160,
+  VK_FORMAT_ASTC_5x5_UNORM_BLOCK: 161,
+  VK_FORMAT_ASTC_5x5_SRGB_BLOCK: 162,
+  VK_FORMAT_ASTC_6x5_UNORM_BLOCK: 163,
+  VK_FORMAT_ASTC_6x5_SRGB_BLOCK: 164,
+  VK_FORMAT_ASTC_6x6_UNORM_BLOCK: 165,
+  VK_FORMAT_ASTC_6x6_SRGB_BLOCK: 166,
+  VK_FORMAT_ASTC_8x5_UNORM_BLOCK: 167,
+  VK_FORMAT_ASTC_8x5_SRGB_BLOCK: 168,
+  VK_FORMAT_ASTC_8x6_UNORM_BLOCK: 169,
+  VK_FORMAT_ASTC_8x6_SRGB_BLOCK: 170,
+  VK_FORMAT_ASTC_8x8_UNORM_BLOCK: 171,
+  VK_FORMAT_ASTC_8x8_SRGB_BLOCK: 172,
+  VK_FORMAT_ASTC_10x5_UNORM_BLOCK: 173,
+  VK_FORMAT_ASTC_10x5_SRGB_BLOCK: 174,
+  VK_FORMAT_ASTC_10x6_UNORM_BLOCK: 175,
+  VK_FORMAT_ASTC_10x6_SRGB_BLOCK: 176,
+  VK_FORMAT_ASTC_10x8_UNORM_BLOCK: 177,
+  VK_FORMAT_ASTC_10x8_SRGB_BLOCK: 178,
+  VK_FORMAT_ASTC_10x10_UNORM_BLOCK: 179,
+  VK_FORMAT_ASTC_10x10_SRGB_BLOCK: 180,
+  VK_FORMAT_ASTC_12x10_UNORM_BLOCK: 181,
+  VK_FORMAT_ASTC_12x10_SRGB_BLOCK: 182,
+  VK_FORMAT_ASTC_12x12_UNORM_BLOCK: 183,
+  VK_FORMAT_ASTC_12x12_SRGB_BLOCK: 184,
+  VK_FORMAT_G8B8G8R8_422_UNORM: 1000156000,
+  VK_FORMAT_B8G8R8G8_422_UNORM: 1000156001,
+  VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM: 1000156002,
+  VK_FORMAT_G8_B8R8_2PLANE_420_UNORM: 1000156003,
+  VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM: 1000156004,
+  VK_FORMAT_G8_B8R8_2PLANE_422_UNORM: 1000156005,
+  VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM: 1000156006,
+  VK_FORMAT_R10X6_UNORM_PACK16: 1000156007,
+  VK_FORMAT_R10X6G10X6_UNORM_2PACK16: 1000156008,
+  VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16: 1000156009,
+  VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16: 1000156010,
+  VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16: 1000156011,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16: 1000156012,
+  VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16: 1000156013,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16: 1000156014,
+  VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16: 1000156015,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16: 1000156016,
+  VK_FORMAT_R12X4_UNORM_PACK16: 1000156017,
+  VK_FORMAT_R12X4G12X4_UNORM_2PACK16: 1000156018,
+  VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16: 1000156019,
+  VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16: 1000156020,
+  VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16: 1000156021,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16: 1000156022,
+  VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16: 1000156023,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16: 1000156024,
+  VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16: 1000156025,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16: 1000156026,
+  VK_FORMAT_G16B16G16R16_422_UNORM: 1000156027,
+  VK_FORMAT_B16G16R16G16_422_UNORM: 1000156028,
+  VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM: 1000156029,
+  VK_FORMAT_G16_B16R16_2PLANE_420_UNORM: 1000156030,
+  VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM: 1000156031,
+  VK_FORMAT_G16_B16R16_2PLANE_422_UNORM: 1000156032,
+  VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM: 1000156033,
+  VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG: 1000054000,
+  VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG: 1000054001,
+  VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG: 1000054002,
+  VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG: 1000054003,
+  VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG: 1000054004,
+  VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG: 1000054005,
+  VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG: 1000054006,
+  VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG: 1000054007,
+  VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT: 1000066000,
+  VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK_EXT: 1000066001,
+  VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK_EXT: 1000066002,
+  VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK_EXT: 1000066003,
+  VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT: 1000066004,
+  VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK_EXT: 1000066005,
+  VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK_EXT: 1000066006,
+  VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK_EXT: 1000066007,
+  VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK_EXT: 1000066008,
+  VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK_EXT: 1000066009,
+  VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK_EXT: 1000066010,
+  VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK_EXT: 1000066011,
+  VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK_EXT: 1000066012,
+  VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK_EXT: 1000066013,
+  VK_FORMAT_G8B8G8R8_422_UNORM_KHR: 1000156000,
+  VK_FORMAT_B8G8R8G8_422_UNORM_KHR: 1000156001,
+  VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM_KHR: 1000156002,
+  VK_FORMAT_G8_B8R8_2PLANE_420_UNORM_KHR: 1000156003,
+  VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM_KHR: 1000156004,
+  VK_FORMAT_G8_B8R8_2PLANE_422_UNORM_KHR: 1000156005,
+  VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM_KHR: 1000156006,
+  VK_FORMAT_R10X6_UNORM_PACK16_KHR: 1000156007,
+  VK_FORMAT_R10X6G10X6_UNORM_2PACK16_KHR: 1000156008,
+  VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16_KHR: 1000156009,
+  VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR: 1000156010,
+  VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR: 1000156011,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_KHR: 1000156012,
+  VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_KHR: 1000156013,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16_KHR: 1000156014,
+  VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16_KHR: 1000156015,
+  VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16_KHR: 1000156016,
+  VK_FORMAT_R12X4_UNORM_PACK16_KHR: 1000156017,
+  VK_FORMAT_R12X4G12X4_UNORM_2PACK16_KHR: 1000156018,
+  VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16_KHR: 1000156019,
+  VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR: 1000156020,
+  VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR: 1000156021,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_KHR: 1000156022,
+  VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_KHR: 1000156023,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16_KHR: 1000156024,
+  VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16_KHR: 1000156025,
+  VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16_KHR: 1000156026,
+  VK_FORMAT_G16B16G16R16_422_UNORM_KHR: 1000156027,
+  VK_FORMAT_B16G16R16G16_422_UNORM_KHR: 1000156028,
+  VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM_KHR: 1000156029,
+  VK_FORMAT_G16_B16R16_2PLANE_420_UNORM_KHR: 1000156030,
+  VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM_KHR: 1000156031,
+  VK_FORMAT_G16_B16R16_2PLANE_422_UNORM_KHR: 1000156032,
+  VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM_KHR: 1000156033,
+};
+export default Object.freeze(VulkanConstants);

Source/Core/getUint64FromDataView.js

@@ -0,0 +1,34 @@
+/**
+ * Javascript does not support Uint64, so reading a Uint64 value is not implemented as
+ * a method for DataViews. UInt64 values can be read up to Number.MAX_SAFE_INTEGER, or (2^53) - 1,
+ * which is also 9007199254740991.
+ *
+ * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView
+ * for more information.
+ *
+ * @function
+ * @param {DataView} view DataView from which a Uint64 needs to be read.
+ * @param {Number} byteOffset Byte offset into the DataView at which to read the Uint64.
+ * @param {Boolean} littleEndian Whether the DataView is big or little endian.
+ *
+ * @returns {Number} The uint64 result.
+ */
+function getUint64FromDataView(view, byteOffset, littleEndian) {
+  // split 64-bit number into two 32-bit parts
+  var left = view.getUint32(byteOffset, littleEndian);
+  var right = view.getUint32(byteOffset + 4, littleEndian);
+
+  // combine the two 32-bit values
+  var combined = littleEndian
+    ? left + Math.pow(2, 32) * right
+    : Math.pow(2, 32) * left + right;
+
+  // if (!combined > Number.MAX_SAFE_INTEGER) {
+  //   //9007199254740991) { // MAX_SAFE_INTEGER not available in IE11
+  //   console.warn(combined, "exceeds MAX_SAFE_INTEGER. Precision may be lost");
+  // }
+
+  return combined;
+}
+
+export default getUint64FromDataView;