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// Copyright (c) 2015-2018 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/
[appendix]
[[spirvenv]]
= Vulkan Environment for SPIR-V
Shaders for Vulkan are defined by the <<spirv-spec,Khronos SPIR-V
Specification>> as well as the <<spirv-extended,Khronos SPIR-V Extended
Instructions for GLSL>> Specification.
This appendix defines additional SPIR-V requirements applying to Vulkan
shaders.
== Versions and Formats
ifdef::VK_VERSION_1_1[]
A Vulkan 1.1 implementation must: support the 1.0, 1.1, 1.2, and 1.3
versions of SPIR-V and the 1.0 version of the SPIR-V Extended Instructions
for GLSL.
endif::VK_VERSION_1_1[]
ifndef::VK_VERSION_1_1[]
A Vulkan 1.0 implementation must: support the 1.0 version of SPIR-V and the
1.0 version of the SPIR-V Extended Instructions for GLSL.
endif::VK_VERSION_1_1[]
A SPIR-V module passed into flink:vkCreateShaderModule is interpreted as a
series of 32-bit words in host endianness, with literal strings packed as
described in section 2.2 of the SPIR-V Specification.
The first few words of the SPIR-V module must: be a magic number and a
SPIR-V version number, as described in section 2.3 of the SPIR-V
Specification.
[[spirvenv-capabilities]]
== Capabilities
The SPIR-V capabilities listed below must: be supported if the corresponding
feature or extension is enabled, or if no features or extensions are listed
for that capability.
Extensions are only listed when there is not also a feature bit associated
with that capability.
[[spirvenv-capabilities-table]]
.List of SPIR-V Capabilities and enabling features or extensions
[options="header"]
|====
| SPIR-V code:OpCapability | Vulkan feature or extension name
| code:Matrix |
| code:Shader |
| code:InputAttachment |
| code:Sampled1D |
| code:Image1D |
| code:SampledBuffer |
| code:ImageBuffer |
| code:ImageQuery |
| code:DerivativeControl |
| code:Geometry | <<features-features-geometryShader,geometryShader>>
| code:Tessellation | <<features-features-tessellationShader,tessellationShader>>
| code:Float64 | <<features-features-shaderFloat64,shaderFloat64>>
| code:Int64 | <<features-features-shaderInt64,shaderInt64>>
ifdef::VK_KHR_shader_atomic_int64[]
[[spirvenv-capabilities-table-int64atomics]]
| code:Int64Atomics | <<VK_KHR_shader_atomic_int64,VK_KHR_shader_atomic_int64>>
endif::VK_KHR_shader_atomic_int64[]
| code:Int16 | <<features-features-shaderInt16,shaderInt16>>
| code:TessellationPointSize | <<features-features-shaderTessellationAndGeometryPointSize,shaderTessellationAndGeometryPointSize>>
| code:GeometryPointSize | <<features-features-shaderTessellationAndGeometryPointSize,shaderTessellationAndGeometryPointSize>>
| code:ImageGatherExtended | <<features-features-shaderImageGatherExtended,shaderImageGatherExtended>>
| code:StorageImageMultisample | <<features-features-shaderStorageImageMultisample,shaderStorageImageMultisample>>
| code:UniformBufferArrayDynamicIndexing | <<features-features-shaderUniformBufferArrayDynamicIndexing,shaderUniformBufferArrayDynamicIndexing>>
| code:SampledImageArrayDynamicIndexing | <<features-features-shaderSampledImageArrayDynamicIndexing,shaderSampledImageArrayDynamicIndexing>>
| code:StorageBufferArrayDynamicIndexing | <<features-features-shaderStorageBufferArrayDynamicIndexing,shaderStorageBufferArrayDynamicIndexing>>
| code:StorageImageArrayDynamicIndexing | <<features-features-shaderStorageImageArrayDynamicIndexing,shaderStorageImageArrayDynamicIndexing>>
| code:ClipDistance | <<features-features-shaderClipDistance,shaderClipDistance>>
| code:CullDistance | <<features-features-shaderCullDistance,shaderCullDistance>>
| code:ImageCubeArray | <<features-features-imageCubeArray,imageCubeArray>>
| code:SampleRateShading | <<features-features-sampleRateShading,sampleRateShading>>
| code:SparseResidency | <<features-features-shaderResourceResidency,shaderResourceResidency>>
| code:MinLod | <<features-features-shaderResourceMinLod,shaderResourceMinLod>>
| code:SampledCubeArray | <<features-features-imageCubeArray,imageCubeArray>>
| code:ImageMSArray | <<features-features-shaderStorageImageMultisample,shaderStorageImageMultisample>>
| code:StorageImageExtendedFormats |
| code:InterpolationFunction | <<features-features-sampleRateShading,sampleRateShading>>
| code:StorageImageReadWithoutFormat | <<features-features-shaderStorageImageReadWithoutFormat,shaderStorageImageReadWithoutFormat>>
| code:StorageImageWriteWithoutFormat | <<features-features-shaderStorageImageWriteWithoutFormat,shaderStorageImageWriteWithoutFormat>>
| code:MultiViewport | <<features-features-multiViewport,multiViewport>>
ifdef::VK_VERSION_1_1,VK_KHR_shader_draw_parameters[]
| code:DrawParameters |
ifdef::VK_VERSION_1_1[]
<<features-features-shaderDrawParameters,shaderDrawParameters>>
endif::VK_VERSION_1_1[]
ifdef::VK_KHR_shader_draw_parameters+VK_VERSION_1_1[]
or
endif::VK_KHR_shader_draw_parameters+VK_VERSION_1_1[]
ifdef::VK_KHR_shader_draw_parameters[]
<<VK_KHR_shader_draw_parameters>>
endif::VK_KHR_shader_draw_parameters[]
endif::VK_VERSION_1_1,VK_KHR_shader_draw_parameters[]
ifdef::VK_VERSION_1_1,VK_KHR_multiview[]
[[spirvenv-capabilities-multiview]]
| code:MultiView |
ifndef::VK_VERSION_1_1[]
<<VK_KHR_multiview,VK_KHR_multiview>>
endif::VK_VERSION_1_1[]
endif::VK_VERSION_1_1,VK_KHR_multiview[]
ifdef::VK_VERSION_1_1,VK_KHR_device_group[]
| code:DeviceGroup |
ifndef::VK_VERSION_1_1[]
<<VK_KHR_device_group,VK_KHR_device_group>>
endif::VK_VERSION_1_1[]
endif::VK_VERSION_1_1,VK_KHR_device_group[]
ifdef::VK_VERSION_1_1,VK_KHR_variable_pointers[]
[[spirvenv-capabilities-table-variablepointers]]
| code:VariablePointersStorageBuffer | <<features-features-variablePointersStorageBuffer,variablePointersStorageBuffer>>
| code:VariablePointers | <<features-features-variablePointers,variablePointers>>
endif::VK_VERSION_1_1,VK_KHR_variable_pointers[]
ifdef::VK_EXT_shader_stencil_export[]
[[spirvenv-capabilities-table-shaderstencilexportext]]
| code:StencilExportEXT | `<<VK_EXT_shader_stencil_export>>`
endif::VK_EXT_shader_stencil_export[]
ifdef::VK_EXT_shader_subgroup_ballot[]
[[spirvenv-capabilities-table-subgroupballot]]
| code:SubgroupBallotKHR | `<<VK_EXT_shader_subgroup_ballot>>`
endif::VK_EXT_shader_subgroup_ballot[]
ifdef::VK_EXT_shader_subgroup_vote[]
[[spirvenv-capabilities-table-subgroupvote]]
| code:SubgroupVoteKHR | `<<VK_EXT_shader_subgroup_vote>>`
endif::VK_EXT_shader_subgroup_vote[]
ifdef::VK_AMD_shader_image_load_store_lod[]
[[spirvenv-capabilities-table-imagereadwritelodamd]]
| code:ImageReadWriteLodAMD | `<<VK_AMD_shader_image_load_store_lod>>`
endif::VK_AMD_shader_image_load_store_lod[]
ifdef::VK_AMD_texture_gather_bias_lod[]
[[spirvenv-capabilities-table-imagegatherbiaslodamd]]
| code:ImageGatherBiasLodAMD | `<<VK_AMD_texture_gather_bias_lod>>`
endif::VK_AMD_texture_gather_bias_lod[]
ifdef::VK_AMD_shader_fragment_mask[]
[[spirvenv-capabilities-table-fragmentmaskamd]]
| code:FragmentMaskAMD | `<<VK_AMD_shader_fragment_mask>>`
endif::VK_AMD_shader_fragment_mask[]
ifdef::VK_NV_sample_mask_override_coverage[]
[[spirvenv-capabilities-table-samplemaskoverridecoverage]]
| code:SampleMaskOverrideCoverageNV | `<<VK_NV_sample_mask_override_coverage>>`
endif::VK_NV_sample_mask_override_coverage[]
ifdef::VK_NV_geometry_shader_passthrough[]
[[spirvenv-capabilities-table-geometryshaderpassthrough]]
| code:GeometryShaderPassthroughNV | `<<VK_NV_geometry_shader_passthrough>>`
endif::VK_NV_geometry_shader_passthrough[]
ifdef::VK_EXT_shader_viewport_index_layer[]
[[spirvenv-capabilities-table-shader-viewport-index-layer]]
| code:ShaderViewportIndexLayerEXT | `<<VK_EXT_shader_viewport_index_layer>>`
endif::VK_EXT_shader_viewport_index_layer[]
ifdef::VK_NV_viewport_array2[]
[[spirvenv-capabilities-table-viewportarray2]]
| code:ShaderViewportIndexLayerNV | `<<VK_NV_viewport_array2>>`
| code:ShaderViewportMaskNV | `<<VK_NV_viewport_array2>>`
endif::VK_NV_viewport_array2[]
ifdef::VK_NVX_multiview_per_view_attributes[]
[[spirvenv-capabilities-table-perviewattributes]]
| code:PerViewAttributesNV | `<<VK_NVX_multiview_per_view_attributes>>`
endif::VK_NVX_multiview_per_view_attributes[]
ifdef::VK_VERSION_1_1,VK_KHR_16bit_storage[]
[[spirvenv-capabilities-table-16bitstorage]]
| code:StorageBuffer16BitAccess | <<features-features-storageBuffer16BitAccess, StorageBuffer16BitAccess>>
| code:UniformAndStorageBuffer16BitAccess | <<features-features-uniformAndStorageBuffer16BitAccess,UniformAndStorageBuffer16BitAccess>>
| code:StoragePushConstant16 | <<features-features-storagePushConstant16,storagePushConstant16>>
| code:StorageInputOutput16 | <<features-features-storageInputOutput16,storageInputOutput16>>
endif::VK_VERSION_1_1,VK_KHR_16bit_storage[]
ifdef::VK_VERSION_1_1[]
[[spirvenv-capabilities-table-subgroup]]
| code:GroupNonUniform | <<features-features-subgroup-basic,VK_SUBGROUP_FEATURE_BASIC_BIT>>
| code:GroupNonUniformVote | <<features-features-subgroup-vote,VK_SUBGROUP_FEATURE_VOTE_BIT>>
| code:GroupNonUniformArithmetic | <<features-features-subgroup-arithmetic,VK_SUBGROUP_FEATURE_ARITHMETIC_BIT>>
| code:GroupNonUniformBallot | <<features-features-subgroup-ballot,VK_SUBGROUP_FEATURE_BALLOT_BIT>>
| code:GroupNonUniformShuffle | <<features-features-subgroup-shuffle,VK_SUBGROUP_FEATURE_SHUFFLE_BIT>>
| code:GroupNonUniformShuffleRelative | <<features-features-subgroup-shuffle-relative,VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT>>
| code:GroupNonUniformClustered | <<features-features-subgroup-clustered,VK_SUBGROUP_FEATURE_CLUSTERED_BIT>>
| code:GroupNonUniformQuad | <<features-features-subgroup-quad,VK_SUBGROUP_FEATURE_QUAD_BIT>>
ifdef::VK_NV_shader_subgroup_partitioned[]
| code:GroupNonUniformPartitionedNV | <<features-features-subgroup-partitioned,VK_SUBGROUP_FEATURE_PARTITIONED_BIT_NV>>
endif::VK_NV_shader_subgroup_partitioned[]
endif::VK_VERSION_1_1[]
ifdef::VK_EXT_post_depth_coverage[]
[[spirvenv-capabilities-table-postdepthcoverage]]
| code:SampleMaskPostDepthCoverage | `<<VK_EXT_post_depth_coverage>>`
endif::VK_EXT_post_depth_coverage[]
ifdef::VK_EXT_descriptor_indexing[]
[[spirvenv-capabilities-table-descriptorindexing]]
| code:ShaderNonUniformEXT | `<<VK_EXT_descriptor_indexing>>`
| code:RuntimeDescriptorArrayEXT | <<features-features-runtimeDescriptorArray,runtimeDescriptorArray>>
| code:InputAttachmentArrayDynamicIndexingEXT | <<features-features-shaderInputAttachmentArrayDynamicIndexing,shaderInputAttachmentArrayDynamicIndexing>>
| code:UniformTexelBufferArrayDynamicIndexingEXT | <<features-features-shaderUniformTexelBufferArrayDynamicIndexing,shaderUniformTexelBufferArrayDynamicIndexing>>
| code:StorageTexelBufferArrayDynamicIndexingEXT | <<features-features-shaderStorageTexelBufferArrayDynamicIndexing,shaderStorageTexelBufferArrayDynamicIndexing>>
| code:UniformBufferArrayNonUniformIndexingEXT | <<features-features-shaderUniformBufferArrayNonUniformIndexing,shaderUniformBufferArrayNonUniformIndexing>>
| code:SampledImageArrayNonUniformIndexingEXT | <<features-features-shaderSampledImageArrayNonUniformIndexing,shaderSampledImageArrayNonUniformIndexing>>
| code:StorageBufferArrayNonUniformIndexingEXT | <<features-features-shaderStorageBufferArrayNonUniformIndexing,shaderStorageBufferArrayNonUniformIndexing>>
| code:StorageImageArrayNonUniformIndexingEXT | <<features-features-shaderStorageImageArrayNonUniformIndexing,shaderStorageImageArrayNonUniformIndexing>>
| code:InputAttachmentArrayNonUniformIndexingEXT | <<features-features-shaderInputAttachmentArrayNonUniformIndexing,shaderInputAttachmentArrayNonUniformIndexing>>
| code:UniformTexelBufferArrayNonUniformIndexingEXT | <<features-features-shaderUniformTexelBufferArrayNonUniformIndexing,shaderUniformTexelBufferArrayNonUniformIndexing>>
| code:StorageTexelBufferArrayNonUniformIndexingEXT | <<features-features-shaderStorageTexelBufferArrayNonUniformIndexing,shaderStorageTexelBufferArrayNonUniformIndexing>>
endif::VK_EXT_descriptor_indexing[]
ifdef::VK_AMD_gpu_shader_half_float[]
| code:Float16 | `<<VK_AMD_gpu_shader_half_float>>`
endif::VK_AMD_gpu_shader_half_float[]
ifdef::VK_KHR_8bit_storage[]
[[spirvenv-capabilities-table-8bitstorage]]
| code:StorageBuffer8BitAccess | <<features-features-storageBuffer8BitAccess,StorageBuffer8BitAccess>>
| code:UniformAndStorageBuffer8BitAccess | <<features-features-uniformAndStorageBuffer8BitAccess,UniformAndStorageBuffer8BitAccess>>
| code:StoragePushConstant8 | <<features-features-storagePushConstant8,StoragePushConstant8>>
endif::VK_KHR_8bit_storage[]
ifdef::VK_KHR_vulkan_memory_model[]
[[spirvenv-capabilities-table-memorymodel]]
| code:VulkanMemoryModelKHR | <<features-features-vulkanMemoryModel,vulkanMemoryModel>>
| code:VulkanMemoryModelDeviceScopeKHR | <<features-features-vulkanMemoryModel,vulkanMemoryModelDeviceScope>>
endif::VK_KHR_vulkan_memory_model[]
ifdef::VK_NV_compute_shader_derivatives[]
[[spirvenv-capabilities-table-computederivatives-quads]]
| code:ComputeDerivativeGroupQuadsNV | <<features-features-computeShaderDerivativesQuads,computeDerivativeGroupQuads>>
[[spirvenv-capabilities-table-computederivatives-linear]]
| code:ComputeDerivativeGroupLinearNV | <<features-features-computeShaderDerivativesLinear,computeDerivativeGroupLinear>>
endif::VK_NV_compute_shader_derivatives[]
ifdef::VK_NV_fragment_shader_barycentric[]
[[spirvenv-capabilities-fragment-barycentric]]
| code:FragmentBarycentricNV | <<features-features-fragmentShaderBarycentric,fragmentShaderBarycentric>>
endif::VK_NV_fragment_shader_barycentric[]
ifdef::VK_NV_shader_image_footprint[]
[[spirvenv-capabilities-table-imagefootprint]]
| code:ImageFootprintNV | <<features-features-imageFootprint,imageFootprint>>
endif::VK_NV_shader_image_footprint[]
ifdef::VK_NV_shading_rate_image[]
| code:ShadingRateImageNV | <<features-features-shadingRateImage,shadingRateImage>>
endif::VK_NV_shading_rate_image[]
ifdef::VK_NV_mesh_shader[]
[[spirvenv-capabilities-table-meshshading]]
| code:MeshShadingNV | `<<VK_NV_mesh_shader>>`
endif::VK_NV_mesh_shader[]
ifdef::VK_NV_ray_tracing[]
[[spirvenv-capabilities-table-raytracing]]
| code:RayTracingNV | `<<VK_NV_ray_tracing>>`
endif::VK_NV_ray_tracing[]
ifdef::VK_EXT_transform_feedback[]
| code:TransformFeedback | <<features-features-transformFeedback,transformFeedback>>
| code:GeometryStreams | <<features-features-geometryStreams,geometryStreams>>
endif::VK_EXT_transform_feedback[]
ifdef::VK_EXT_fragment_density_map[]
[[spirvenv-capabilities-table-fragmentdensity]]
| code:FragmentDensityEXT | <<features-features-fragmentdensitymap,fragmentDensityMap>>
endif::VK_EXT_fragment_density_map[]
|====
ifdef::VK_VERSION_1_1,VK_KHR_variable_pointers[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_variable_pointers` SPIR-V extension.
endif::VK_VERSION_1_1,VK_KHR_variable_pointers[]
ifdef::VK_AMD_shader_explicit_vertex_parameter[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_shader_explicit_vertex_parameter` SPIR-V extension.
endif::VK_AMD_shader_explicit_vertex_parameter[]
ifdef::VK_AMD_gcn_shader[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_gcn_shader` SPIR-V extension.
endif::VK_AMD_gcn_shader[]
ifdef::VK_AMD_gpu_shader_half_float[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_gpu_shader_half_float` SPIR-V extension.
endif::VK_AMD_gpu_shader_half_float[]
ifdef::VK_AMD_gpu_shader_int16[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_gpu_shader_int16` SPIR-V extension.
endif::VK_AMD_gpu_shader_int16[]
ifdef::VK_AMD_shader_ballot[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_shader_ballot` SPIR-V extension.
endif::VK_AMD_shader_ballot[]
ifdef::VK_AMD_shader_fragment_mask[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_shader_fragment_mask` SPIR-V extension.
endif::VK_AMD_shader_fragment_mask[]
ifdef::VK_AMD_shader_image_load_store_lod[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_shader_image_load_store_lod` SPIR-V extension.
endif::VK_AMD_shader_image_load_store_lod[]
ifdef::VK_AMD_shader_trinary_minmax[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_shader_trinary_minmax` SPIR-V extension.
endif::VK_AMD_shader_trinary_minmax[]
ifdef::VK_AMD_texture_gather_bias_lod[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_AMD_texture_gather_bias_lod` SPIR-V extension.
endif::VK_AMD_texture_gather_bias_lod[]
ifdef::VK_VERSION_1_1,VK_KHR_shader_draw_parameters[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_shader_draw_parameters` SPIR-V extension.
endif::VK_VERSION_1_1,VK_KHR_shader_draw_parameters[]
ifdef::VK_KHR_8bit_storage[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_8bit_storage` SPIR-V extension.
endif::VK_KHR_8bit_storage[]
ifdef::VK_VERSION_1_1,VK_KHR_16bit_storage[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the
https://www.khronos.org/registry/spir-v/extensions/KHR/SPV_KHR_16bit_storage.html[`SPV_KHR_16bit_storage`]
SPIR-V extension.
endif::VK_VERSION_1_1,VK_KHR_16bit_storage[]
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the
https://www.khronos.org/registry/spir-v/extensions/KHR/SPV_KHR_storage_buffer_storage_class.html[`SPV_KHR_storage_buffer_storage_class`]
SPIR-V extension.
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
ifdef::VK_EXT_post_depth_coverage[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_post_depth_coverage` SPIR-V extension.
endif::VK_EXT_post_depth_coverage[]
ifdef::VK_EXT_shader_stencil_export[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_EXT_shader_stencil_export` SPIR-V extension.
endif::VK_EXT_shader_stencil_export[]
ifdef::VK_EXT_shader_subgroup_ballot[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_shader_ballot` SPIR-V extension.
endif::VK_EXT_shader_subgroup_ballot[]
ifdef::VK_EXT_shader_subgroup_vote[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_subgroup_vote` SPIR-V extension.
endif::VK_EXT_shader_subgroup_vote[]
ifdef::VK_NV_sample_mask_override_coverage[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_sample_mask_override_coverage` SPIR-V extension.
endif::VK_NV_sample_mask_override_coverage[]
ifdef::VK_NV_geometry_shader_passthrough[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_geometry_shader_passthrough` SPIR-V extension.
endif::VK_NV_geometry_shader_passthrough[]
ifdef::VK_NV_mesh_shader[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_mesh_shader` SPIR-V extension.
endif::VK_NV_mesh_shader[]
ifdef::VK_NV_viewport_array2[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_viewport_array2` SPIR-V extension.
endif::VK_NV_viewport_array2[]
ifdef::VK_EXT_shader_viewport_index_layer[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_EXT_shader_viewport_index_layer` SPIR-V extension.
endif::VK_EXT_shader_viewport_index_layer[]
ifdef::VK_NVX_multiview_per_view_attributes[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NVX_multiview_per_view_attributes` SPIR-V extension.
endif::VK_NVX_multiview_per_view_attributes[]
ifdef::VK_EXT_descriptor_indexing[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_EXT_descriptor_indexing` SPIR-V extension.
endif::VK_EXT_descriptor_indexing[]
ifdef::VK_KHR_vulkan_memory_model[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_KHR_vulkan_memory_model` SPIR-V extension.
endif::VK_KHR_vulkan_memory_model[]
ifdef::VK_NV_compute_shader_derivatives[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_compute_shader_derivatives` SPIR-V extension.
endif::VK_NV_compute_shader_derivatives[]
ifdef::VK_NV_fragment_shader_barycentric[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_fragment_shader_barycentric` SPIR-V extension.
endif::VK_NV_fragment_shader_barycentric[]
ifdef::VK_NV_shader_image_footprint[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_shader_image_footprint` SPIR-V extension.
endif::VK_NV_shader_image_footprint[]
ifdef::VK_NV_shading_rate_image[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_shading_rate` SPIR-V extension.
endif::VK_NV_shading_rate_image[]
ifdef::VK_NV_ray_tracing[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_NV_ray_tracing` SPIR-V extension.
endif::VK_NV_ray_tracing[]
ifdef::VK_GOOGLE_hlsl_functionality1[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_GOOGLE_hlsl_functionality1` SPIR-V extension.
endif::VK_GOOGLE_hlsl_functionality1[]
ifdef::VK_GOOGLE_decorate_string[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_GOOGLE_decorate_string` SPIR-V extension.
endif::VK_GOOGLE_decorate_string[]
ifdef::VK_EXT_fragment_density_map[]
The application can: pass a SPIR-V module to flink:vkCreateShaderModule that
uses the `SPV_EXT_fragment_invocation_density` SPIR-V extension.
endif::VK_EXT_fragment_density_map[]
The application must: not pass a SPIR-V module containing any of the
following to flink:vkCreateShaderModule:
* any OpCapability not listed above,
* an unsupported capability, or
* a capability which corresponds to a Vulkan feature or extension which
has not been enabled.
[[spirvenv-module-validation]]
== Validation Rules within a Module
A SPIR-V module passed to flink:vkCreateShaderModule must: conform to the
following rules:
* Every entry point must: have no return value and accept no arguments.
* Recursion: The static function-call graph for an entry point must: not
contain cycles.
* The *Logical* addressing model must: be selected.
* *Scope* for execution must: be limited to:
** *Workgroup*
** *Subgroup*
* *Scope* for memory must: be limited to:
** *Device*
ifdef::VK_KHR_vulkan_memory_model[]
*** If <<features-features-vulkanMemoryModel,pname:vulkanMemoryModel>> is
enabled and
<<features-features-vulkanMemoryModelDeviceScope,pname:vulkanMemoryModelDeviceScope>>
is not enabled, *Device* scope must: not be used.
*** If <<features-features-vulkanMemoryModel,pname:vulkanMemoryModel>> is
not enabled, *Device* scope only extends to the queue family, not the
whole device.
endif::VK_KHR_vulkan_memory_model[]
ifndef::VK_KHR_vulkan_memory_model[]
*** *Device* scope only extends to the queue family, not the whole device.
endif::VK_KHR_vulkan_memory_model[]
ifdef::VK_KHR_vulkan_memory_model[]
** *QueueFamilyKHR*
*** If <<features-features-vulkanMemoryModel,pname:vulkanMemoryModel>> is
not enabled, *QueueFamilyKHR* must: not be used.
endif::VK_KHR_vulkan_memory_model[]
** *Workgroup*
ifdef::VK_VERSION_1_1[]
** *Subgroup*
endif::VK_VERSION_1_1[]
** *Invocation*
ifdef::VK_VERSION_1_1[]
* *Scope* for *Non Uniform Group Operations* must: be limited to:
** *Subgroup*
endif::VK_VERSION_1_1[]
* *Storage Class* must: be limited to:
** *UniformConstant*
** *Input*
** *Uniform*
** *Output*
** *Workgroup*
** *Private*
** *Function*
** *PushConstant*
** *Image*
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
** *StorageBuffer*
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
ifdef::VK_NV_ray_tracing[]
** *RayPayloadNV*
** *IncomingRayPayloadNV*
** *HitAttributeNV*
** *CallableDataNV*
** *IncomingCallableDataNV*
** *ShaderRecordBufferNV*
endif::VK_NV_ray_tracing[]
* Memory semantics must: obey the following rules:
** *Acquire* must: not be used with code:OpAtomicStore.
** *Release* must: not be used with code:OpAtomicLoad.
** *AcquireRelease* must: not be used with code:OpAtomicStore or
code:OpAtomicLoad.
** Sequentially consistent atomics and barriers are not supported and
*SequentiallyConsistent* is treated as *AcquireRelease*.
*SequentiallyConsistent* should: not be used.
** code:OpMemoryBarrier must: use one of *Acquire*, *Release*,
*AcquireRelease*, or *SequentiallyConsistent* and must: include at
least one storage class.
** If the semantics for code:OpControlBarrier includes one of *Acquire*,
*Release*, *AcquireRelease*, or *SequentiallyConsistent*, then it must:
include at least one storage class.
** *SubgroupMemory*, *CrossWorkgroupMemory*, and *AtomicCounterMemory* are
ignored.
* Any code:OpVariable with an code:Initializer operand must: have one of
the following as its *Storage Class* operand:
** *Output*
** *Private*
** *Function*
* The code:OriginLowerLeft execution mode must: not be used; fragment
entry points must: declare code:OriginUpperLeft.
* The code:PixelCenterInteger execution mode must: not be used.
Pixels are always centered at half-integer coordinates.
* Images and Samplers
** code:OpTypeImage must: declare a scalar 32-bit float or 32-bit integer
type for the "`Sampled Type`".
(code:RelaxedPrecision can: be applied to a sampling instruction and to
the variable holding the result of a sampling instruction.)
** code:OpTypeImage must: have a "`Sampled`" operand of 1 (sampled image)
or 2 (storage image).
** If
<<features-features-shaderStorageImageReadWithoutFormat,shaderStorageImageReadWithoutFormat>>
is not enabled and an code:OpTypeImage has "`Image Format`" operand of
code:Unknown, any variables created with the given type must be
decorated with code:NonReadable.
** If
<<features-features-shaderStorageImageWriteWithoutFormat,shaderStorageImageWriteWithoutFormat>>
is not enabled and an code:OpTypeImage has "`Image Format`" operand of
code:Unknown, any variables created with the given type must be
decorated with code:NonWritable.
** code:OpImageQuerySizeLod, and code:OpImageQueryLevels must: only
consume an "`Image`" operand whose type has its "`Sampled`" operand set
to 1.
** The [eq]#(u,v)# coordinates used for a code:SubpassData must: be the
<id> of a constant vector [eq]#(0,0)#, or if a layer coordinate is
used, must: be a vector that was formed with constant 0 for the [eq]#u#
and [eq]#v# components.
** The "`Depth`" operand of code:OpTypeImage is ignored.
** Objects of types code:OpTypeImage, code:OpTypeSampler,
code:OpTypeSampledImage, and arrays of these types must: not be stored
to or modified.
* Decorations
** Any code:BuiltIn decoration not listed in
<<interfaces-builtin-variables>> must: not be used.
** Any code:BuiltIn decoration that corresponds only to Vulkan features or
extensions that have not been enabled must: not be used.
** The code:GLSLShared and code:GLSLPacked decorations must: not be used.
** The code:Flat, code:NoPerspective, code:Sample, and code:Centroid
decorations must: not be used on variables with storage class other
than code:Input or on variables used in the interface of non-fragment
shader entry points.
** The code:Patch decoration must: not be used on variables in the
interface of a vertex, geometry, or fragment shader stage's entry
point.
ifdef::VK_NV_viewport_array2[]
** The code:ViewportRelativeNV decoration must: only be used on a variable
decorated with code:Layer in the vertex, tessellation evaluation, or
geometry shader stages.
** The code:ViewportRelativeNV decoration must: not be used unless a
variable decorated with one of code:ViewportIndex or
code:ViewportMaskNV is also statically used by the same
code:OpEntryPoint.
** The code:ViewportMaskNV and code:ViewportIndex decorations must: not
both be statically used by one or more code:OpEntryPoint's that form
the vertex processing stages of a graphics pipeline.
endif::VK_NV_viewport_array2[]
ifdef::VK_VERSION_1_1,VK_KHR_16bit_storage[]
** Only the round-to-nearest-even and the round-to-zero rounding modes
can: be used for the code:FPRoundingMode decoration.
** The code:FPRoundingMode decoration can: only be used for the
floating-point conversion instructions as described in the
https://www.khronos.org/registry/spir-v/extensions/KHR/SPV_KHR_16bit_storage.html[`SPV_KHR_16bit_storage`]
SPIR-V extension.
endif::VK_VERSION_1_1,VK_KHR_16bit_storage[]
** code:DescriptorSet and code:Binding decorations must: obey the
constraints on storage class, type, and descriptor type described in
<<interfaces-resources-setandbinding,DescriptorSet and Binding
Assignment>>
* code:OpTypeRuntimeArray must: only be used for:
** the last member of an code:OpTypeStruct
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
that is in the code:StorageBuffer storage class decorated as
code:Block, or
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
that is in the code:Uniform storage class decorated as
code:BufferBlock.
ifdef::VK_EXT_descriptor_indexing[]
** If the code:RuntimeDescriptorArrayEXT capability is supported, an array
of variables with storage class code:Uniform,
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
code:StorageBuffer,
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
or code:UniformConstant, or for the outermost dimension of an array of
arrays of such variables.
endif::VK_EXT_descriptor_indexing[]
* Linkage: See <<interfaces,Shader Interfaces>> for additional linking and
validation rules.
ifdef::VK_VERSION_1_1[]
* If code:OpControlBarrier is used in fragment, vertex, tessellation
evaluation, or geometry stages, the execution Scope must: be
code:Subgroup.
endif::VK_VERSION_1_1[]
* Compute Shaders
** For each compute shader entry point, either a code:LocalSize execution
mode or an object decorated with the code:WorkgroupSize decoration
must: be specified.
ifdef::VK_NV_compute_shader_derivatives[]
** For compute shaders using the code:DerivativeGroupQuadsNV execution
mode, the first two dimensions of the local workgroup size must: be a
multiple of two.
** For compute shaders using the code:DerivativeGroupLinearNV execution
mode, the product of the dimensions of the local workgroup size must:
be a multiple of four.
endif::VK_NV_compute_shader_derivatives[]
ifdef::VK_VERSION_1_1[]
* "`Result Type`" for *Non Uniform Group Operations* must: be limited to
32-bit float, 32-bit integer, boolean, or vectors of these types.
If the code:Float64 capability is enabled, double and vectors of double
types are also permitted.
* "`Mask`" for code:OpGroupNonUniformShuffleXor must: be a specialization
constant or a constant, or if the dynamic instance is called within a
loop construct it must: be one of:
. A specialization constant.
. A constant.
. An arithmetic operation whose operands are 1., 2., or 4.
. A phi node whose operands are 1., 2., or 3.
* If code:OpGroupNonUniformBallotBitCount is used, the group operation
must: be one of:
** *Reduce*
** *InclusiveScan*
** *ExclusiveScan*
endif::VK_VERSION_1_1[]
* Atomic instructions must: declare a scalar 32-bit integer type,
ifdef::VK_KHR_shader_atomic_int64[]
or a scalar 64-bit integer type if the code:Int64Atomics capability is
enabled,
endif::VK_KHR_shader_atomic_int64[]
for the value pointed to by _Pointer_.
ifdef::VK_KHR_shader_atomic_int64[]
** <<features-features-shaderBufferInt64Atomics,shaderBufferInt64Atomics>>
must: be enabled for 64-bit integer atomic operations to be supported
on a _Pointer_ with a *Storage Class* of
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
*StorageBuffer* or
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
*Uniform*.
** <<features-features-shaderSharedInt64Atomics,shaderSharedInt64Atomics>>
must: be enabled for 64-bit integer atomic operations to be supported
on a _Pointer_ with a *Storage Class* of *Workgroup*.
endif::VK_KHR_shader_atomic_int64[]
* The _Pointer_ operand of all atomic instructions must: have a *Storage
Class* limited to:
** *Uniform*
** *Workgroup*
** *Image*
ifdef::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
** *StorageBuffer*
endif::VK_VERSION_1_1,VK_KHR_storage_buffer_storage_class[]
ifdef::VK_EXT_descriptor_indexing[]
* If an instruction loads from or stores to a resource (including atomics
and image instructions) and the resource descriptor being accessed is
not dynamically uniform, then the operand corresponding to that resource
(e.g. the pointer or sampled image operand) must: be decorated with
code:NonUniformEXT.
endif::VK_EXT_descriptor_indexing[]
ifdef::VK_EXT_transform_feedback[]
* The code:Offset plus size of the type of each variable, in the output
interface of the entry point being compiled, decorated with
code:XfbBuffer must: not be greater than
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:maxTransformFeedbackBufferDataSize
* For any given code:XfbBuffer value, define the buffer data size to be
smallest number of bytes such that, for all outputs decorated with the
same code:XfbBuffer value, the size of the output interface variable
plus the code:Offset is less than or equal to the buffer data size.
For a given code:Stream, the sum of all the buffer data sizes for all
buffers writing to that stream the must: not exceed
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:maxTransformFeedbackStreamDataSize
* Output variables or block members decorated with code:Offset that have a
64-bit type, or a composite type containing a 64-bit type, must: specify
an code:Offset value aligned to a 8 byte boundary
* Any output block or block member decorated with code:Offset containing a
64-bit type consumes a multiple of 8 bytes
* The size of any output block, that contains any member decorated with
code:Offset that is a 64-bit type, must: be a multiple of 8
* The first member of an output block that specifies a code:Offset
decoration must: specify a code:Offset value that is aligned to an 8
byte boundary if that block contains any member decorated with
code:Offset and is a 64-bit type
* Output variables or block members decorated with code:Offset that have a
32-bit type, or a composite type contains a 32-bit type, must: specify
an code:Offset value aligned to a 4 byte boundary
* Output variables, blocks or block members decorated with code:Offset
must: only contain base types that have components that are either
32-bit or 64-bit in size
* The Stream value to code:OpEmitStreamVertex and
code:OpEndStreamPrimitive must: be less than
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:maxTransformFeedbackStreams
* If the geometry shader emits to more than one vertex stream and
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:transformFeedbackStreamsLinesTriangles
is ename:VK_FALSE, then execution mode must: be code:OutputPoints
* Only variables or block members in the output interface decorated with
code:Offset can: be captured for transform feedback, and those variables
or block memebers must: also be decorated with code:XfbBuffer and
code:XfbStride, or inherit code:XfbBuffer and code:XfbStride decorations
from a block that contains them
* All variables or block members in the output interface of the entry
point being compiled decorated with a specific code:XfbBuffer value
must: all be decorated with identical code:XfbStride values
* If any variables or block members in the output interface of the entry
point being compiled are decorated with code:Stream, then all variables
belonging to the same code:XfbBuffer must specify the same code:Stream
value
* Output variables, blocks or block members that are not decorated with
code:Stream default to vertex stream zero
* For any two variables or block members in the output interface of the
entry point being compiled with the same code:XfbBuffer value, the
ranges determined by the code:Offset decoration and the size of the type
must: not overlap
* The stream number value to code:Stream must: be less than
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:maxTransformFeedbackStreams
* The XFB Stride value to code:XfbStride must be less than or equal to
sname:VkPhysicalDeviceTransformFeedbackPropertiesEXT::pname:maxTransformFeedbackBufferDataStride
endif::VK_EXT_transform_feedback[]
ifdef::VK_NV_ray_tracing[]
* code:RayPayloadNV storage class must: only be used in ray generation,
any hit, closest hit or miss shaders.
* code:IncomingRayPayloadNV storage class must: only be used in closest
hit, any hit, or miss shaders.
* code:HitAttributeNV storage class must: only be used in intersection,
any hit, or closest hit shaders.
* code:CallableDataNV storage class must: only be used in ray generation,
closest hit, miss, and callable shaders.
* code:IncomingCallableDataNV storage class must only be used in callable
shaders.
endif::VK_NV_ray_tracing[]
[[spirvenv-precision-operation]]
== Precision and Operation of SPIR-V Instructions
The following rules apply to both single and double-precision floating point
instructions:
* Positive and negative infinities and positive and negative zeros are
generated as dictated by <<ieee-754,IEEE 754>>, but subject to the
precisions allowed in the following table.
* Dividing a non-zero by a zero results in the appropriately signed
<<ieee-754,IEEE 754>> infinity.
* Any denormalized value input into a shader or potentially generated by
any instruction in a shader may: be flushed to 0.
* The rounding mode cannot: be set, and results will be <<Correctly
Rounded>>, as described below.
* [eq]##NaN##s may: not be generated.
Instructions that operate on a [eq]#NaN# may: not result in a [eq]#NaN#.
* Support for signaling [eq]##NaN##s is optional: and exceptions are never
raised.
The precision of double-precision instructions is at least that of single
precision.
The precision of operations is defined either in terms of rounding, as an
error bound in ULP, or as inherited from a formula as follows.
.Correctly Rounded
Operations described as "`correctly rounded`" will return the infinitely
precise result, [eq]#x#, rounded so as to be representable in
floating-point.
The rounding mode used is not defined but if [eq]#x# is exactly
representable then [eq]#x# will be returned.
Otherwise, either the floating-point value closest to and no less than
[eq]#x# or the value closest to and no greater than [eq]#x# will be
returned.
.ULP
Where an error bound of [eq]#n# ULP (units in the last place) is given, for
an operation with infinitely precise result #x# the value returned must be
in the range #[x - n * ulp(x), x + n * ulp(x)]#.
The function #ulp(x)# is defined as follows:
:: If there exist non-equal floating-point numbers #a# and #b# such that
[eq]#a {leq} x {leq} b# then #ulp(x)# is the minimum possible distance
between such numbers, latexmath:[ulp(x) = \mathrm{min}_{a,b} | b - a |].
If such numbers do not exist then #ulp(x)# is defined to be the difference
between the two finite floating-point numbers nearest to #x#.
Where the range of allowed return values includes any value of magnitude
larger than that of the largest representable finite floating-point number,
operations may return an infinity of the appropriate sign.
If the infinitely precise result of the operation is not mathematically
defined then the value returned is undefined:.
.Inherited From ...
Where an operation's precision is described as being inherited from a
formula, the result returned must be at least as accurate as the result of
computing an approximation to [eq]#x# using a formula equivalent to the
given formula applied to the supplied inputs.
Specifically, the formula given may be transformed using the mathematical
associativity, commutativity and distributivity of the operators involved to
yield an equivalent formula.
The SPIR-V precision rules, when applied to each such formula and the given
input values, define a range of permitted values.
If [eq]#NaN# is one of the permitted values then the operation may return
any result, otherwise let the largest permitted value in any of the ranges
be [eq]#F~max~# and the smallest be [eq]#F~min~#.
The operation must return a value in the range [eq]#[x - E, x + E]# where
latexmath:[E = \mathrm{max} \left( | x - F_{\mathrm{min}} |, | x -
F_{\mathrm{max}} | \right) ].
For single precision (32 bit) instructions, precisions are required: to be
at least as follows, unless decorated with RelaxedPrecision:
.Precision of core SPIR-V Instructions
[options="header"]
|====
| Instruction | Precision
| code:OpFAdd | Correctly rounded.
| code:OpFSub | Correctly rounded.
| code:OpFMul | Correctly rounded.
| code:OpFOrdEqual, code:OpFUnordEqual | Correct result.
| code:OpFOrdLessThan, code:OpFUnordLessThan | Correct result.
| code:OpFOrdGreaterThan, code:OpFUnordGreaterThan | Correct result.
| code:OpFOrdLessThanEqual, code:OpFUnordLessThanEqual | Correct result.
| code:OpFOrdGreaterThanEqual, code:OpFUnordGreaterThanEqual| Correct result.
| code:OpFDiv | 2.5 ULP for b in the range [2^-126^, 2^126^].
| conversions between types | Correctly rounded.
|====
.Precision of GLSL.std.450 Instructions
[options="header"]
|====
|Instruction | Precision
| code:fma() | Inherited from code:OpFMul followed by code:OpFAdd.
| code:exp(x), code:exp2(x) | [eq]#3 {plus} 2 {times} {vert}x{vert}# ULP.
| code:log(), code:log2() | 3 ULP outside the range [eq]#[0.5, 2.0]#. Absolute error < [eq]#2^-21^# inside the range [eq]#[0.5, 2.0]#.
| code:pow(x, y) | Inherited from code:exp2(y {times} code:log2(x)).
| code:sqrt() | Inherited from 1.0 / code:inversesqrt().
| code:inversesqrt() | 2 ULP.
|====
GLSL.std.450 extended instructions specifically defined in terms of the
above instructions inherit the above errors.
GLSL.std.450 extended instructions not listed above and not defined in terms
of the above have undefined: precision.
These include, for example, the trigonometric functions and determinant.
For the code:OpSRem and code:OpSMod instructions, if either operand is
negative the result is undefined:.
[NOTE]
.Note
====
While the code:OpSRem and code:OpSMod instructions are supported by the
Vulkan environment, they require non-negative values and thus do not enable
additional functionality beyond what code:OpUMod provides.
====
[[spirvenv-image-formats]]
== Compatibility Between SPIR-V Image Formats And Vulkan Formats
Images which are read from or written to by shaders must: have SPIR-V image
formats compatible with the Vulkan image formats backing the image under the
circumstances described for <<textures-operation-validation,texture image
validation>>.
The compatibile formats are:
.SPIR-V and Vulkan Image Format Compatibility
[cols="2*", options="header"]
|====
|SPIR-V Image Format |Compatible Vulkan Format
|code:Rgba32f |ename:VK_FORMAT_R32G32B32A32_SFLOAT
|code:Rgba16f |ename:VK_FORMAT_R16G16B16A16_SFLOAT
|code:R32f |ename:VK_FORMAT_R32_SFLOAT
|code:Rgba8 |ename:VK_FORMAT_R8G8B8A8_UNORM
|code:Rgba8Snorm |ename:VK_FORMAT_R8G8B8A8_SNORM
|code:Rg32f |ename:VK_FORMAT_R32G32_SFLOAT
|code:Rg16f |ename:VK_FORMAT_R16G16_SFLOAT
|code:R11fG11fB10f |ename:VK_FORMAT_B10G11R11_UFLOAT_PACK32
|code:R16f |ename:VK_FORMAT_R16_SFLOAT
|code:Rgba16 |ename:VK_FORMAT_R16G16B16A16_UNORM
|code:Rgb10A2 |ename:VK_FORMAT_A2B10G10R10_UNORM_PACK32
|code:Rg16 |ename:VK_FORMAT_R16G16_UNORM
|code:Rg8 |ename:VK_FORMAT_R8G8_UNORM
|code:R16 |ename:VK_FORMAT_R16_UNORM
|code:R8 |ename:VK_FORMAT_R8_UNORM
|code:Rgba16Snorm |ename:VK_FORMAT_R16G16B16A16_SNORM
|code:Rg16Snorm |ename:VK_FORMAT_R16G16_SNORM
|code:Rg8Snorm |ename:VK_FORMAT_R8G8_SNORM
|code:R16Snorm |ename:VK_FORMAT_R16_SNORM
|code:R8Snorm |ename:VK_FORMAT_R8_SNORM
|code:Rgba32i |ename:VK_FORMAT_R32G32B32A32_SINT
|code:Rgba16i |ename:VK_FORMAT_R16G16B16A16_SINT
|code:Rgba8i |ename:VK_FORMAT_R8G8B8A8_SINT
|code:R32i |ename:VK_FORMAT_R32_SINT
|code:Rg32i |ename:VK_FORMAT_R32G32_SINT
|code:Rg16i |ename:VK_FORMAT_R16G16_SINT
|code:Rg8i |ename:VK_FORMAT_R8G8_SINT
|code:R16i |ename:VK_FORMAT_R16_SINT
|code:R8i |ename:VK_FORMAT_R8_SINT
|code:Rgba32ui |ename:VK_FORMAT_R32G32B32A32_UINT
|code:Rgba16ui |ename:VK_FORMAT_R16G16B16A16_UINT
|code:Rgba8ui |ename:VK_FORMAT_R8G8B8A8_UINT
|code:R32ui |ename:VK_FORMAT_R32_UINT
|code:Rgb10a2ui |ename:VK_FORMAT_A2B10G10R10_UINT_PACK32
|code:Rg32ui |ename:VK_FORMAT_R32G32_UINT
|code:Rg16ui |ename:VK_FORMAT_R16G16_UINT
|code:Rg8ui |ename:VK_FORMAT_R8G8_UINT
|code:R16ui |ename:VK_FORMAT_R16_UINT
|code:R8ui |ename:VK_FORMAT_R8_UINT
|====
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