Limits

maxImageDimension1D is the largest dimension (width) that is guaranteed to be supported for all images created with an imageType of VK_IMAGE_TYPE_1D. Some combinations of image parameters (format, usage, etc.) may allow support for larger dimensions, which can be queried using vkGetPhysicalDeviceImageFormatProperties.

maxImageDimension2D is the largest dimension (width or height) that is guaranteed to be supported for all images created with an imageType of VK_IMAGE_TYPE_2D and without VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT set in flags. Some combinations of image parameters (format, usage, etc.) may allow support for larger dimensions, which can be queried using vkGetPhysicalDeviceImageFormatProperties.

maxImageDimension3D is the largest dimension (width, height, or depth) that is guaranteed to be supported for all images created with an imageType of VK_IMAGE_TYPE_3D. Some combinations of image parameters (format, usage, etc.) may allow support for larger dimensions, which can be queried using vkGetPhysicalDeviceImageFormatProperties.

maxImageDimensionCube is the largest dimension (width or height) that is guaranteed to be supported for all images created with an imageType of VK_IMAGE_TYPE_2D and with VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT set in flags. Some combinations of image parameters (format, usage, etc.) may allow support for larger dimensions, which can be queried using vkGetPhysicalDeviceImageFormatProperties.

maxImageArrayLayers is the maximum number of layers (arrayLayers) for an image.

maxTexelBufferElements is the maximum number of addressable texels for a buffer view created on a buffer which was created with the VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT or VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT set in the usage member of the VkBufferCreateInfo structure.

maxUniformBufferRange is the maximum value that can be specified in the range member of a VkDescriptorBufferInfo structure passed to vkUpdateDescriptorSets for descriptors of type VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER or VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC.

maxStorageBufferRange is the maximum value that can be specified in the range member of a VkDescriptorBufferInfo structure passed to vkUpdateDescriptorSets for descriptors of type VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC.

maxPushConstantsSize is the maximum size, in bytes, of the pool of push constant memory. For each of the push constant ranges indicated by the pPushConstantRanges member of the VkPipelineLayoutCreateInfo structure, (offset + size) must be less than or equal to this limit.

maxMemoryAllocationCount is the maximum number of device memory allocations, as created by vkAllocateMemory, which can simultaneously exist.

maxSamplerAllocationCount is the maximum number of sampler objects, as created by vkCreateSampler, which can simultaneously exist on a device.

bufferImageGranularity is the granularity, in bytes, at which buffer or linear image resources, and optimal image resources can be bound to adjacent offsets in the same VkDeviceMemory object without aliasing. See Buffer-Image Granularity for more details.

sparseAddressSpaceSize is the total amount of address space available, in bytes, for sparse memory resources. This is an upper bound on the sum of the sizes of all sparse resources, regardless of whether any memory is bound to them. If the extendedSparseAddressSpace feature is enabled, then the difference between extendedSparseAddressSpaceSize and sparseAddressSpaceSize can also be used, by VkImage created with the usage member of VkImageCreateInfo only containing bits in extendedSparseImageUsageFlags and VkBuffer created with the usage member of VkBufferCreateInfo only containing bits in extendedSparseBufferUsageFlags.

maxBoundDescriptorSets is the maximum number of descriptor sets that can be simultaneously used by a pipeline. All DescriptorSet decorations in shader modules must have a value less than maxBoundDescriptorSets. See Descriptor Sets.

maxPerStageDescriptorSamplers is the maximum number of samplers that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_SAMPLER or VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. See Sampler and Combined Image Sampler.

maxPerStageDescriptorUniformBuffers is the maximum number of uniform buffers that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER or VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. See Uniform Buffer and Dynamic Uniform Buffer.

maxPerStageDescriptorStorageBuffers is the maximum number of storage buffers that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a pipeline shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. See Storage Buffer and Dynamic Storage Buffer.

maxPerStageDescriptorSampledImages is the maximum number of sampled images that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, or VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a pipeline shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. See Combined Image Sampler, Sampled Image, and Uniform Texel Buffer.

maxPerStageDescriptorStorageImages is the maximum number of storage images that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, or VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a pipeline shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. See Storage Image, and Storage Texel Buffer.

maxPerStageDescriptorInputAttachments is the maximum number of input attachments that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. A descriptor is accessible to a pipeline shader stage when the stageFlags member of the VkDescriptorSetLayoutBinding structure has the bit for that shader stage set. These are only supported for the fragment stage. See Input Attachment.

maxPerStageResources is the maximum number of resources that can be accessible to a single shader stage in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, or VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. For the fragment shader stage the framebuffer color attachments also count against this limit.

maxDescriptorSetSamplers is the maximum number of samplers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_SAMPLER or VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Sampler and Combined Image Sampler.

maxDescriptorSetUniformBuffers is the maximum number of uniform buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER or VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Uniform Buffer and Dynamic Uniform Buffer.

maxDescriptorSetUniformBuffersDynamic is the maximum number of dynamic uniform buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Dynamic Uniform Buffer.

maxDescriptorSetStorageBuffers is the maximum number of storage buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Storage Buffer and Dynamic Storage Buffer.

maxDescriptorSetStorageBuffersDynamic is the maximum number of dynamic storage buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Dynamic Storage Buffer.

maxDescriptorSetSampledImages is the maximum number of sampled images that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, or VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Combined Image Sampler, Sampled Image, and Uniform Texel Buffer.

maxDescriptorSetStorageImages is the maximum number of storage images that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, or VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Storage Image, and Storage Texel Buffer.

maxDescriptorSetInputAttachments is the maximum number of input attachments that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Input Attachment.

maxVertexInputAttributes is the maximum number of vertex input attributes that can be specified for a graphics pipeline. These are described in the array of VkVertexInputAttributeDescription structures that are provided at graphics pipeline creation time via the pVertexAttributeDescriptions member of the VkPipelineVertexInputStateCreateInfo structure. See Vertex Attributes and Vertex Input Description.

maxVertexInputBindings is the maximum number of vertex buffers that can be specified for providing vertex attributes to a graphics pipeline. These are described in the array of VkVertexInputBindingDescription structures that are provided at graphics pipeline creation time via the pVertexBindingDescriptions member of the VkPipelineVertexInputStateCreateInfo structure. The binding member of VkVertexInputBindingDescription must be less than this limit. See Vertex Input Description.

maxVertexInputAttributeOffset is the maximum vertex input attribute offset that can be added to the vertex input binding stride. The offset member of the VkVertexInputAttributeDescription structure must be less than or equal to this limit. See Vertex Input Description.

maxVertexInputBindingStride is the maximum vertex input binding stride that can be specified in a vertex input binding. The stride member of the VkVertexInputBindingDescription structure must be less than or equal to this limit. See Vertex Input Description.

maxVertexOutputComponents is the maximum number of components of output variables which can be output by a vertex shader. See Vertex Shaders.

maxTessellationGenerationLevel is the maximum tessellation generation level supported by the fixed-function tessellation primitive generator. See Tessellation.

maxTessellationPatchSize is the maximum patch size, in vertices, of patches that can be processed by the tessellation control shader and tessellation primitive generator. The patchControlPoints member of the VkPipelineTessellationStateCreateInfo structure specified at pipeline creation time and the value provided in the OutputVertices execution mode of shader modules must be less than or equal to this limit. See Tessellation.

maxTessellationControlPerVertexInputComponents is the maximum number of components of input variables which can be provided as per-vertex inputs to the tessellation control shader stage.

maxTessellationControlPerVertexOutputComponents is the maximum number of components of per-vertex output variables which can be output from the tessellation control shader stage.

maxTessellationControlPerPatchOutputComponents is the maximum number of components of per-patch output variables which can be output from the tessellation control shader stage.

maxTessellationControlTotalOutputComponents is the maximum total number of components of per-vertex and per-patch output variables which can be output from the tessellation control shader stage.

maxTessellationEvaluationInputComponents is the maximum number of components of input variables which can be provided as per-vertex inputs to the tessellation evaluation shader stage.

maxTessellationEvaluationOutputComponents is the maximum number of components of per-vertex output variables which can be output from the tessellation evaluation shader stage.

maxGeometryShaderInvocations is the maximum invocation count supported for instanced geometry shaders. The value provided in the Invocations execution mode of shader modules must be less than or equal to this limit. See Geometry Shading.

maxGeometryInputComponents is the maximum number of components of input variables which can be provided as inputs to the geometry shader stage.

maxGeometryOutputComponents is the maximum number of components of output variables which can be output from the geometry shader stage.

maxGeometryOutputVertices is the maximum number of vertices which can be emitted by any geometry shader.

maxGeometryTotalOutputComponents is the maximum total number of components of output variables, across all emitted vertices, which can be output from the geometry shader stage.

maxFragmentInputComponents is the maximum number of components of input variables which can be provided as inputs to the fragment shader stage.

maxFragmentOutputAttachments is the maximum number of output attachments which can be written to by the fragment shader stage.

maxFragmentDualSrcAttachments is the maximum number of output attachments which can be written to by the fragment shader stage when blending is enabled and one of the dual source blend modes is in use. See Dual-Source Blending and dualSrcBlend.

maxFragmentCombinedOutputResources is the total number of storage buffers, storage images, and output Location decorated color attachments (described in Fragment Output Interface) which can be used in the fragment shader stage.

maxComputeSharedMemorySize is the maximum total storage size, in bytes, available for variables declared with the Workgroup storage class in shader modules (or with the shared storage qualifier in GLSL) in the compute shader stage.

maxComputeWorkGroupCount[3] is the maximum number of local workgroups that can be dispatched by a single dispatching command. These three values represent the maximum number of local workgroups for the X, Y, and Z dimensions, respectively. The workgroup count parameters to the dispatching commands must be less than or equal to the corresponding limit. See Dispatching Commands.

maxComputeWorkGroupInvocations is the maximum total number of compute shader invocations in a single local workgroup. The product of the X, Y, and Z sizes, as specified by the LocalSize or LocalSizeId execution mode in shader modules or by the object decorated by the WorkgroupSize decoration, must be less than or equal to this limit.

maxComputeWorkGroupSize[3] is the maximum size of a local compute workgroup, per dimension. These three values represent the maximum local workgroup size in the X, Y, and Z dimensions, respectively. The x, y, and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit.

subPixelPrecisionBits is the number of bits of subpixel precision in framebuffer coordinates x_f and y_f. See Rasterization.

subTexelPrecisionBits is the number of bits of precision in the division along an axis of an image used for minification and magnification filters. 2^{subTexelPrecisionBits} is the actual number of divisions along each axis of the image represented. Sub-texel values calculated during image sampling will snap to these locations when generating the filtered results.

mipmapPrecisionBits is the number of bits of division that the LOD calculation for mipmap fetching get snapped to when determining the contribution from each mip level to the mip filtered results. 2^{mipmapPrecisionBits} is the actual number of divisions.

maxDrawIndexedIndexValue is the maximum index value that can be used for indexed draw calls when using 32-bit indices. This excludes the primitive restart index value of 0xFFFFFFFF. See fullDrawIndexUint32.

maxDrawIndirectCount is the maximum draw count that is supported for indirect drawing calls. See multiDrawIndirect.

maxSamplerLodBias is the maximum absolute sampler LOD bias. The sum of the mipLodBias member of the VkSamplerCreateInfo structure and the Bias operand of image sampling operations in shader modules (or 0 if no Bias operand is provided to an image sampling operation) are clamped to the range [-maxSamplerLodBias,+maxSamplerLodBias]. See samplers-mipLodBias.

maxSamplerAnisotropy is the maximum degree of sampler anisotropy. The maximum degree of anisotropic filtering used for an image sampling operation is the minimum of the maxAnisotropy member of the VkSamplerCreateInfo structure and this limit. See samplers-maxAnisotropy.

maxViewports is the maximum number of active viewports. The viewportCount member of the VkPipelineViewportStateCreateInfo structure that is provided at pipeline creation must be less than or equal to this limit.

maxViewportDimensions[2] are the maximum viewport dimensions in the X (width) and Y (height) dimensions, respectively. The maximum viewport dimensions must be greater than or equal to the largest image which can be created and used as a framebuffer attachment. See Controlling the Viewport.

viewportBoundsRange[2] is the [minimum, maximum] range that the corners of a viewport must be contained in. This range must be at least [-2 × size, 2 × size - 1], where size = max(maxViewportDimensions[0], maxViewportDimensions[1]). See Controlling the Viewport.

viewportSubPixelBits is the number of bits of subpixel precision for viewport bounds. The subpixel precision that floating-point viewport bounds are interpreted at is given by this limit.

minMemoryMapAlignment is the minimum required alignment, in bytes, of host visible memory allocations within the host address space. When mapping a memory allocation with vkMapMemory, subtracting offset bytes from the returned pointer will always produce an integer multiple of this limit. See Host Access to Device Memory Objects. The value must be a power of two.

minTexelBufferOffsetAlignment is the minimum required alignment, in bytes, for the offset member of the VkBufferViewCreateInfo structure for texel buffers. The value must be a power of two. If the texelBufferAlignment feature is enabled, this limit is equivalent to the maximum of the uniformTexelBufferOffsetAlignmentBytes and storageTexelBufferOffsetAlignmentBytes members of VkPhysicalDeviceTexelBufferAlignmentProperties, but smaller alignment is optionally allowed by storageTexelBufferOffsetSingleTexelAlignment and uniformTexelBufferOffsetSingleTexelAlignment. If the texelBufferAlignment feature is not enabled, VkBufferViewCreateInfo::offset must be a multiple of this value.

minUniformBufferOffsetAlignment is the minimum required alignment, in bytes, for the offset member of the VkDescriptorBufferInfo structure for uniform buffers. When a descriptor of type VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER or VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC is updated, the offset must be an integer multiple of this limit. Similarly, dynamic offsets for uniform buffers must be multiples of this limit. The value must be a power of two.

minStorageBufferOffsetAlignment is the minimum required alignment, in bytes, for the offset member of the VkDescriptorBufferInfo structure for storage buffers. When a descriptor of type VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC is updated, the offset must be an integer multiple of this limit. Similarly, dynamic offsets for storage buffers must be multiples of this limit. The value must be a power of two.

minTexelOffset is the minimum offset value for the ConstOffset image operand of any of the OpImageSample* or OpImageFetch* image instructions.

maxTexelOffset is the maximum offset value for the ConstOffset image operand of any of the OpImageSample* or OpImageFetch* image instructions.

minTexelGatherOffset is the minimum offset value for the Offset, ConstOffset, or ConstOffsets image operands of any of the OpImage*Gather image instructions.

maxTexelGatherOffset is the maximum offset value for the Offset, ConstOffset, or ConstOffsets image operands of any of the OpImage*Gather image instructions.

minInterpolationOffset is the base minimum (inclusive) negative offset value for the Offset operand of the InterpolateAtOffset extended instruction.

maxInterpolationOffset is the base maximum (inclusive) positive offset value for the Offset operand of the InterpolateAtOffset extended instruction.

subPixelInterpolationOffsetBits is the number of fractional bits that the x and y offsets to the InterpolateAtOffset extended instruction may be rounded to as fixed-point values.

maxFramebufferWidth is the maximum width for a framebuffer. The width member of the VkFramebufferCreateInfo structure must be less than or equal to this limit.

maxFramebufferHeight is the maximum height for a framebuffer. The height member of the VkFramebufferCreateInfo structure must be less than or equal to this limit.

maxFramebufferLayers is the maximum layer count for a layered framebuffer. The layers member of the VkFramebufferCreateInfo structure must be less than or equal to this limit.

framebufferColorSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the color sample counts that are supported for all framebuffer color attachments with floating- or fixed-point formats. For color attachments with integer formats, see framebufferIntegerColorSampleCounts.

framebufferDepthSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the supported depth sample counts for all framebuffer depth/stencil attachments, when the format includes a depth component.

framebufferStencilSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the supported stencil sample counts for all framebuffer depth/stencil attachments, when the format includes a stencil component.

framebufferNoAttachmentsSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the supported sample counts for a subpass which uses no attachments.

maxColorAttachments is the maximum number of color attachments that can be used by a subpass in a render pass. The colorAttachmentCount member of the VkSubpassDescription or VkSubpassDescription2 structure must be less than or equal to this limit.

sampledImageColorSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the sample counts supported for all 2D images created with VK_IMAGE_TILING_OPTIMAL, usage containing VK_IMAGE_USAGE_SAMPLED_BIT, and a non-integer color format.

sampledImageIntegerSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the sample counts supported for all 2D images created with VK_IMAGE_TILING_OPTIMAL, usage containing VK_IMAGE_USAGE_SAMPLED_BIT, and an integer color format.

sampledImageDepthSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the sample counts supported for all 2D images created with VK_IMAGE_TILING_OPTIMAL, usage containing VK_IMAGE_USAGE_SAMPLED_BIT, and a depth format.

sampledImageStencilSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the sample counts supported for all 2D images created with VK_IMAGE_TILING_OPTIMAL, usage containing VK_IMAGE_USAGE_SAMPLED_BIT, and a stencil format.

storageImageSampleCounts is a bitmask¹ of VkSampleCountFlagBits indicating the sample counts supported for all 2D images created with VK_IMAGE_TILING_OPTIMAL, and usage containing VK_IMAGE_USAGE_STORAGE_BIT.

maxSampleMaskWords is the maximum number of array elements of a variable decorated with the SampleMask built-in decoration.

timestampComputeAndGraphics specifies support for timestamps on all graphics and compute queues. If this limit is VK_TRUE, all queues that advertise the VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT in the VkQueueFamilyProperties::queueFlags support VkQueueFamilyProperties::timestampValidBits of at least 36. See Timestamp Queries.

timestampPeriod is the number of nanoseconds required for a timestamp query to be incremented by 1. See Timestamp Queries.

maxClipDistances is the maximum number of clip distances that can be used in a single shader stage. The size of any array declared with the ClipDistance built-in decoration in a shader module must be less than or equal to this limit.

maxCullDistances is the maximum number of cull distances that can be used in a single shader stage. The size of any array declared with the CullDistance built-in decoration in a shader module must be less than or equal to this limit.

maxCombinedClipAndCullDistances is the maximum combined number of clip and cull distances that can be used in a single shader stage. The sum of the sizes of all arrays declared with the ClipDistance and CullDistance built-in decoration used by a single shader stage in a shader module must be less than or equal to this limit.

discreteQueuePriorities is the number of discrete priorities that can be assigned to a queue based on the value of each member of VkDeviceQueueCreateInfo::pQueuePriorities. This must be at least 2, and levels must be spread evenly over the range, with at least one level at 1.0, and another at 0.0. See Queue Priority.

pointSizeRange[2] is the range [minimum,maximum] of supported sizes for points. Values written to variables decorated with the PointSize built-in decoration are clamped to this range.

lineWidthRange[2] is the range [minimum,maximum] of supported widths for lines. Values specified by the lineWidth member of the VkPipelineRasterizationStateCreateInfo or the lineWidth parameter to vkCmdSetLineWidth are clamped to this range.

pointSizeGranularity is the granularity of supported point sizes. Not all point sizes in the range defined by pointSizeRange are supported. This limit specifies the granularity (or increment) between successive supported point sizes.

lineWidthGranularity is the granularity of supported line widths. Not all line widths in the range defined by lineWidthRange are supported. This limit specifies the granularity (or increment) between successive supported line widths.

strictLines specifies whether lines are rasterized according to the preferred method of rasterization. If set to VK_FALSE, lines may be rasterized under a relaxed set of rules. If set to VK_TRUE, lines are rasterized as per the strict definition. See Basic Line Segment Rasterization.

standardSampleLocations specifies whether rasterization uses the standard sample locations as documented in Multisampling. If set to VK_TRUE, the implementation uses the documented sample locations. If set to VK_FALSE, the implementation may use different sample locations.

optimalBufferCopyOffsetAlignment is the optimal buffer offset alignment in bytes for vkCmdCopyBufferToImage2, vkCmdCopyBufferToImage, vkCmdCopyImageToBuffer2, and vkCmdCopyImageToBuffer. This value is also the optimal host memory offset alignment in bytes for vkCopyMemoryToImage and vkCopyImageToMemory. The per texel alignment requirements are enforced, but applications should use the optimal alignment for optimal performance and power use. The value must be a power of two.

optimalBufferCopyRowPitchAlignment is the optimal buffer row pitch alignment in bytes for vkCmdCopyBufferToImage2, vkCmdCopyBufferToImage, vkCmdCopyImageToBuffer2, and vkCmdCopyImageToBuffer. This value is also the optimal host memory row pitch alignment in bytes for vkCopyMemoryToImage and vkCopyImageToMemory. Row pitch is the number of bytes between texels with the same X coordinate in adjacent rows (Y coordinates differ by one). The per texel alignment requirements are enforced, but applications should use the optimal alignment for optimal performance and power use. The value must be a power of two.

nonCoherentAtomSize is the size and alignment in bytes that bounds concurrent access to host-mapped device memory. The value must be a power of two.

VK_SAMPLE_COUNT_1_BIT specifies an image with one sample per pixel.

VK_SAMPLE_COUNT_2_BIT specifies an image with 2 samples per pixel.

VK_SAMPLE_COUNT_4_BIT specifies an image with 4 samples per pixel.

VK_SAMPLE_COUNT_8_BIT specifies an image with 8 samples per pixel.

VK_SAMPLE_COUNT_16_BIT specifies an image with 16 samples per pixel.

VK_SAMPLE_COUNT_32_BIT specifies an image with 32 samples per pixel.

VK_SAMPLE_COUNT_64_BIT specifies an image with 64 samples per pixel.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxPushDescriptors is the maximum number of descriptors that can be used in a descriptor set layout created with VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT set.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxMultiviewViewCount is one greater than the maximum view index that can be used in a subpass.

maxMultiviewInstanceIndex is the maximum valid value of instance index allowed to be generated by a drawing command recorded within a subpass of a multiview render pass instance.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

denormBehaviorIndependence is a VkShaderFloatControlsIndependence value indicating whether, and how, denorm behavior can be set independently for different bit widths.

roundingModeIndependence is a VkShaderFloatControlsIndependence value indicating whether, and how, rounding modes can be set independently for different bit widths.

shaderSignedZeroInfNanPreserveFloat16 is a boolean value indicating whether sign of a zero, Nans and can be preserved in 16-bit floating-point computations. It also indicates whether the SignedZeroInfNanPreserve execution mode can be used for 16-bit floating-point types.

shaderSignedZeroInfNanPreserveFloat32 is a boolean value indicating whether sign of a zero, Nans and can be preserved in 32-bit floating-point computations. It also indicates whether the SignedZeroInfNanPreserve execution mode can be used for 32-bit floating-point types.

shaderSignedZeroInfNanPreserveFloat64 is a boolean value indicating whether sign of a zero, Nans and can be preserved in 64-bit floating-point computations. It also indicates whether the SignedZeroInfNanPreserve execution mode can be used for 64-bit floating-point types.

shaderDenormPreserveFloat16 is a boolean value indicating whether denormals can be preserved in 16-bit floating-point computations. It also indicates whether the DenormPreserve execution mode can be used for 16-bit floating-point types.

shaderDenormPreserveFloat32 is a boolean value indicating whether denormals can be preserved in 32-bit floating-point computations. It also indicates whether the DenormPreserve execution mode can be used for 32-bit floating-point types.

shaderDenormPreserveFloat64 is a boolean value indicating whether denormals can be preserved in 64-bit floating-point computations. It also indicates whether the DenormPreserve execution mode can be used for 64-bit floating-point types.

shaderDenormFlushToZeroFloat16 is a boolean value indicating whether denormals can be flushed to zero in 16-bit floating-point computations. It also indicates whether the DenormFlushToZero execution mode can be used for 16-bit floating-point types.

shaderDenormFlushToZeroFloat32 is a boolean value indicating whether denormals can be flushed to zero in 32-bit floating-point computations. It also indicates whether the DenormFlushToZero execution mode can be used for 32-bit floating-point types.

shaderDenormFlushToZeroFloat64 is a boolean value indicating whether denormals can be flushed to zero in 64-bit floating-point computations. It also indicates whether the DenormFlushToZero execution mode can be used for 64-bit floating-point types.

shaderRoundingModeRTEFloat16 is a boolean value indicating whether an implementation supports the round-to-nearest-even rounding mode for 16-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTE execution mode can be used for 16-bit floating-point types.

shaderRoundingModeRTEFloat32 is a boolean value indicating whether an implementation supports the round-to-nearest-even rounding mode for 32-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTE execution mode can be used for 32-bit floating-point types.

shaderRoundingModeRTEFloat64 is a boolean value indicating whether an implementation supports the round-to-nearest-even rounding mode for 64-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTE execution mode can be used for 64-bit floating-point types.

shaderRoundingModeRTZFloat16 is a boolean value indicating whether an implementation supports the round-towards-zero rounding mode for 16-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTZ execution mode can be used for 16-bit floating-point types.

shaderRoundingModeRTZFloat32 is a boolean value indicating whether an implementation supports the round-towards-zero rounding mode for 32-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTZ execution mode can be used for 32-bit floating-point types.

shaderRoundingModeRTZFloat64 is a boolean value indicating whether an implementation supports the round-towards-zero rounding mode for 64-bit floating-point arithmetic and conversion instructions. It also indicates whether the RoundingModeRTZ execution mode can be used for 64-bit floating-point types.

VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_32_BIT_ONLY specifies that shader float controls for 32-bit floating-point can be set independently; other bit widths must be set identically to each other.

VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_ALL specifies that shader float controls for all bit widths can be set independently.

VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_NONE specifies that shader float controls for all bit widths must be set identically.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxDiscardRectangles is the maximum number of active discard rectangles that can be specified.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

sampleLocationSampleCounts is a bitmask of VkSampleCountFlagBits indicating the sample counts supporting custom sample locations.

maxSampleLocationGridSize is the maximum size of the pixel grid in which sample locations can vary that is supported for all sample counts in sampleLocationSampleCounts.

sampleLocationCoordinateRange[2] is the range of supported sample location coordinates.

sampleLocationSubPixelBits is the number of bits of subpixel precision for sample locations.

variableSampleLocations specifies whether the sample locations used by all pipelines that will be bound to a command buffer during a subpass must match. If set to VK_TRUE, the implementation supports variable sample locations in a subpass. If set to VK_FALSE, then the sample locations must stay constant in each subpass.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

nativeUnalignedPerformance specifies whether unaligned vertex fetches do not incur significant performance penalties as compared to aligned fetches.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

minImportedHostPointerAlignment is the minimum required alignment, in bytes, for the base address and size of host pointers that can be imported to a Vulkan memory object. The value must be a power of two.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

perViewPositionAllComponents is VK_TRUE if the implementation supports per-view position values that differ in components other than the X component.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

pointClippingBehavior is a VkPointClippingBehavior value specifying the point clipping behavior supported by the implementation.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

subgroupSize is the default number of invocations in each subgroup. subgroupSize is at least 1 if any of the physical device’s queues support VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT. subgroupSize is a power-of-two.

supportedStages is a bitfield of VkShaderStageFlagBits describing the shader stages that group operations with subgroup scope are supported in. supportedStages will have the VK_SHADER_STAGE_COMPUTE_BIT bit set if any of the physical device’s queues support VK_QUEUE_COMPUTE_BIT.

supportedOperations is a bitmask of VkSubgroupFeatureFlagBits specifying the sets of group operations with subgroup scope supported on this device. supportedOperations will have the VK_SUBGROUP_FEATURE_BASIC_BIT bit set if any of the physical device’s queues support VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT.

quadOperationsInAllStages is a boolean specifying whether quad group operations are available in all stages, or are restricted to fragment and compute stages.

VK_SUBGROUP_FEATURE_BASIC_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniform capability.

VK_SUBGROUP_FEATURE_VOTE_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformVote capability.

VK_SUBGROUP_FEATURE_ARITHMETIC_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformArithmetic capability.

VK_SUBGROUP_FEATURE_BALLOT_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformBallot capability.

VK_SUBGROUP_FEATURE_SHUFFLE_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformShuffle capability.

VK_SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformShuffleRelative capability.

VK_SUBGROUP_FEATURE_CLUSTERED_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformClustered capability.

VK_SUBGROUP_FEATURE_QUAD_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformQuad capability.

VK_SUBGROUP_FEATURE_PARTITIONED_BIT_NV specifies the device will accept SPIR-V shader modules containing the GroupNonUniformPartitionedNV capability.

VK_SUBGROUP_FEATURE_ROTATE_BIT specifies the device will accept SPIR-V shader modules containing the GroupNonUniformRotateKHR capability.

VK_SUBGROUP_FEATURE_ROTATE_CLUSTERED_BIT specifies the device will accept SPIR-V shader modules that use the ClusterSize operand to OpGroupNonUniformRotateKHR.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

minSubgroupSize is the minimum subgroup size supported by this device. minSubgroupSize is at least one if any of the physical device’s queues support VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT. minSubgroupSize is a power-of-two. minSubgroupSize is less than or equal to maxSubgroupSize. minSubgroupSize is less than or equal to subgroupSize.

maxSubgroupSize is the maximum subgroup size supported by this device. maxSubgroupSize is at least one if any of the physical device’s queues support VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT. maxSubgroupSize is a power-of-two. maxSubgroupSize is greater than or equal to minSubgroupSize. maxSubgroupSize is greater than or equal to subgroupSize.

maxComputeWorkgroupSubgroups is the maximum number of subgroups supported by the implementation within a workgroup.

requiredSubgroupSizeStages is a bitfield of what shader stages support having a required subgroup size specified.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

advancedBlendMaxColorAttachments is one greater than the highest color attachment index that can be used in a subpass, for a pipeline that uses an advanced blend operation.

advancedBlendIndependentBlend specifies whether advanced blend operations can vary per-attachment.

advancedBlendNonPremultipliedSrcColor specifies whether the source color can be treated as non-premultiplied. If this is VK_FALSE, then VkPipelineColorBlendAdvancedStateCreateInfoEXT::srcPremultiplied must be VK_TRUE.

advancedBlendNonPremultipliedDstColor specifies whether the destination color can be treated as non-premultiplied. If this is VK_FALSE, then VkPipelineColorBlendAdvancedStateCreateInfoEXT::dstPremultiplied must be VK_TRUE.

advancedBlendCorrelatedOverlap specifies whether the overlap mode can be treated as correlated. If this is VK_FALSE, then VkPipelineColorBlendAdvancedStateCreateInfoEXT::blendOverlap must be VK_BLEND_OVERLAP_UNCORRELATED_EXT.

advancedBlendAllOperations specifies whether all advanced blend operation enums are supported. See the valid usage of VkPipelineColorBlendAttachmentState.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxVertexAttribDivisor is the maximum value of the number of instances that will repeat the value of vertex attribute data when instanced rendering is enabled.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxVertexAttribDivisor is the maximum value of the number of instances that will repeat the value of vertex attribute data when instanced rendering is enabled.

supportsNonZeroFirstInstance specifies whether a non-zero value for the firstInstance parameter of drawing commands is supported when VkVertexInputBindingDivisorDescription::divisor is not 1.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

filterMinmaxSingleComponentFormats is a boolean value indicating whether a minimum set of required formats support min/max filtering.

filterMinmaxImageComponentMapping is a boolean value indicating whether the implementation supports non-identity component mapping of the image when doing min/max filtering.

VK_FORMAT_R8_UNORM

VK_FORMAT_R8_SNORM

VK_FORMAT_R16_UNORM

VK_FORMAT_R16_SNORM

VK_FORMAT_R16_SFLOAT

VK_FORMAT_R32_SFLOAT

VK_FORMAT_D16_UNORM

VK_FORMAT_X8_D24_UNORM_PACK32

VK_FORMAT_D32_SFLOAT

VK_FORMAT_D16_UNORM_S8_UINT

VK_FORMAT_D24_UNORM_S8_UINT

VK_FORMAT_D32_SFLOAT_S8_UINT

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

protectedNoFault specifies how an implementation behaves when an application attempts to write to unprotected memory in a protected queue operation, read from protected memory in an unprotected queue operation, or perform a query in a protected queue operation. If this limit is VK_TRUE, such writes will be discarded or have undefined values written, reads and queries will return undefined values. If this limit is VK_FALSE, applications must not perform these operations. See Protected Memory Access Rules for more information.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxPerSetDescriptors is a maximum number of descriptors (summed over all descriptor types) in a single descriptor set that is guaranteed to satisfy any implementation-dependent constraints on the size of a descriptor set itself. Applications can query whether a descriptor set that goes beyond this limit is supported using vkGetDescriptorSetLayoutSupport.

maxMemoryAllocationSize is the maximum size of a memory allocation that can be created, even if there is more space available in the heap.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxBufferSize is the maximum size VkBuffer that can be created.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

earlyFragmentMultisampleCoverageAfterSampleCounting is a boolean value indicating whether the fragment shading and multisample coverage operations are performed after sample counting for fragment shaders with EarlyFragmentTests execution mode.

earlyFragmentSampleMaskTestBeforeSampleCounting is a boolean value indicating whether the sample mask test operation is performed before sample counting for fragment shaders using the EarlyFragmentTests execution mode.

depthStencilSwizzleOneSupport is a boolean indicating that depth/stencil texturing operations with VK_COMPONENT_SWIZZLE_ONE have defined behavior.

polygonModePointSize is a boolean value indicating whether the point size of the final rasterization of polygons with VK_POLYGON_MODE_POINT is controlled by PointSize.

nonStrictSinglePixelWideLinesUseParallelogram is a boolean value indicating whether non-strict lines with a width of 1.0 are rasterized as parallelograms or using Bresenham’s algorithm.

nonStrictWideLinesUseParallelogram is a boolean value indicating whether non-strict lines with a width greater than 1.0 are rasterized as parallelograms or using Bresenham’s algorithm.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

blockTexelViewCompatibleMultipleLayers is a boolean value indicating that an implementation supports creating image views with VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT where the layerCount member of subresourceRange is greater than 1.

maxCombinedImageSamplerDescriptorCount is the maximum number of combined image sampler descriptors that the implementation uses to access any of the formats that require a sampler Y′C_BC_R conversion supported by the implementation.

fragmentShadingRateClampCombinerInputs is a boolean value indicating that an implementation clamps the inputs to combiner operations.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

robustFragmentShadingRateAttachmentAccess indicates whether the scaled size of a fragment shading rate attachment can be less than the size of the render area. If robustFragmentShadingRateAttachmentAccess is VK_FALSE, the size of the attachment multiplied by the texel size must be greater than or equal to the size of the render area. If it is VK_TRUE and the fragment shading rate attachment was created with VkImageSubresourceRange::baseMipLevel equal to 0, the scaled size can be smaller than the render area, and shading rates for missing texels are defined by texel replacement for invalid texels.

separateDepthStencilAttachmentAccess indicates support for writing to one aspect of a depth/stencil attachment without performing read-modify-write operations on the other aspect. If this property is VK_TRUE, writes to one aspect must not result in read-modify-write operations on the other aspect. If VK_FALSE, writes to one aspect may result in writes to the other aspect as defined by render pass load operations, render pass store operations and render pass resolve operations.

maxDescriptorSetTotalUniformBuffersDynamic is the maximum total count of dynamic uniform buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Dynamic Uniform Buffer.

maxDescriptorSetTotalStorageBuffersDynamic is the maximum total count of dynamic storage buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit. See Dynamic Storage Buffer.

maxDescriptorSetTotalBuffersDynamic is the maximum total count of dynamic uniform buffers and storage buffers that can be included in a pipeline layout. Descriptors with a type of VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC count against this limit. Only descriptors in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit.

maxDescriptorSetUpdateAfterBindTotalUniformBuffersDynamic is similar to maxDescriptorSetTotalUniformBuffersDynamic but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindTotalStorageBuffersDynamic is similar to maxDescriptorSetTotalStorageBuffersDynamic but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindTotalBuffersDynamic is similar to maxDescriptorSetTotalBuffersDynamic but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set. While an application can allocate dynamic storage buffer descriptors from a pool created with the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT, bindings for these descriptors must not be present in any descriptor set layout that includes bindings created with VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

layeredApiCount is an integer related to the number of layered implementations underneath the Vulkan physical device, as described below.

pLayeredApis is a pointer to an array of VkPhysicalDeviceLayeredApiPropertiesKHR in which information regarding the layered implementations underneath the Vulkan physical device are returned.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

vendorID is a unique identifier for the vendor of the layered implementation.

deviceID is a unique identifier for the layered implementation among devices available from the vendor.

layeredAPI is a VkPhysicalDeviceLayeredApiKHR specifying the API implemented by the layered implementation.

deviceName is an array of VK_MAX_PHYSICAL_DEVICE_NAME_SIZE char containing a null-terminated UTF-8 string which is the name of the device.

VK_PHYSICAL_DEVICE_LAYERED_API_VULKAN_KHR - the device implements the Vulkan API.

VK_PHYSICAL_DEVICE_LAYERED_API_D3D12_KHR - the device implements the D3D12 API.

VK_PHYSICAL_DEVICE_LAYERED_API_METAL_KHR - the device implements the Metal API.

VK_PHYSICAL_DEVICE_LAYERED_API_OPENGL_KHR - the device implements the OpenGL API.

VK_PHYSICAL_DEVICE_LAYERED_API_OPENGLES_KHR - the device implements the OpenGL ES API.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

properties is a VkPhysicalDeviceProperties2 in which properties of the underlying layered Vulkan implementation are returned.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxDrawMeshTasksCount is the maximum number of local workgroups that can be launched by a single draw mesh tasks command. See Programmable Mesh Shading.

maxTaskWorkGroupInvocations is the maximum total number of task shader invocations in a single local workgroup. The product of the X, Y, and Z sizes, as specified by the LocalSize or LocalSizeId execution mode in shader modules or by the object decorated by the WorkgroupSize decoration, must be less than or equal to this limit.

maxTaskWorkGroupSize[3] is the maximum size of a local task workgroup. These three values represent the maximum local workgroup size in the X, Y, and Z dimensions, respectively. The x, y, and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit.

maxTaskTotalMemorySize is the maximum number of bytes that the task shader can use in total for shared and output memory combined.

maxTaskOutputCount is the maximum number of output tasks a single task shader workgroup can emit.

maxMeshWorkGroupInvocations is the maximum total number of mesh shader invocations in a single local workgroup. The product of the X, Y, and Z sizes, as specified by the LocalSize or LocalSizeId execution mode in shader modules or by the object decorated by the WorkgroupSize decoration, must be less than or equal to this limit.

maxMeshWorkGroupSize[3] is the maximum size of a local mesh workgroup. These three values represent the maximum local workgroup size in the X, Y, and Z dimensions, respectively. The x, y, and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit.

maxMeshTotalMemorySize is the maximum number of bytes that the mesh shader can use in total for shared and output memory combined.

maxMeshOutputVertices is the maximum number of vertices a mesh shader output can store.

maxMeshOutputPrimitives is the maximum number of primitives a mesh shader output can store.

maxMeshMultiviewViewCount is the maximum number of multiview views a mesh shader can use.

meshOutputPerVertexGranularity is the granularity with which mesh vertex outputs are allocated. The value can be used to compute the memory size used by the mesh shader, which must be less than or equal to maxMeshTotalMemorySize.

meshOutputPerPrimitiveGranularity is the granularity with which mesh outputs qualified as per-primitive are allocated. The value can be used to compute the memory size used by the mesh shader, which must be less than or equal to maxMeshTotalMemorySize.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxTaskWorkGroupTotalCount is the maximum number of total local workgroups that can be launched by a single mesh tasks drawing command. See Programmable Mesh Shading.

maxTaskWorkGroupCount[3] is the maximum number of local workgroups that can be launched by a single mesh tasks drawing command. These three values represent the maximum number of local workgroups for the X, Y, and Z dimensions, respectively. The workgroup count parameters to the drawing commands must be less than or equal to the corresponding limit. The product of these dimensions must be less than or equal to maxTaskWorkGroupTotalCount.

maxTaskWorkGroupInvocations is the maximum total number of task shader invocations in a single local workgroup. The product of the X, Y, and Z sizes, as specified by the LocalSize or LocalSizeId execution mode in shader modules or by the object decorated by the WorkgroupSize decoration, must be less than or equal to this limit.

maxTaskWorkGroupSize[3] is the maximum size of a local task workgroup, per dimension. These three values represent the maximum local workgroup size in the X, Y, and Z dimensions, respectively. The x, y, and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit.

maxTaskPayloadSize is the maximum total storage size, in bytes, available for variables declared with the TaskPayloadWorkgroupEXT storage class in shader modules in the task shader stage.

maxTaskSharedMemorySize is the maximum total storage size, in bytes, available for variables declared with the Workgroup storage class in shader modules in the task shader stage.

maxTaskPayloadAndSharedMemorySize is the maximum total storage size, in bytes, available for variables that are declared with the TaskPayloadWorkgroupEXT or Workgroup storage class, in shader modules in the task shader stage.

maxMeshWorkGroupTotalCount is the maximum number of local output tasks a single task shader workgroup can emit.

maxMeshWorkGroupCount[3] is the maximum number of local output tasks a single task shader workgroup can emit, per dimension. These three values represent the maximum number of local output tasks for the X, Y, and Z dimensions, respectively. The workgroup count parameters to the OpEmitMeshTasksEXT must be less than or equal to the corresponding limit. The product of these dimensions must be less than or equal to maxMeshWorkGroupTotalCount.

maxMeshWorkGroupInvocations is the maximum total number of mesh shader invocations in a single local workgroup. The product of the X, Y, and Z sizes, as specified by the LocalSize or LocalSizeId execution mode in shader modules or by the object decorated by the WorkgroupSize decoration, must be less than or equal to this limit.

maxMeshWorkGroupSize[3] is the maximum size of a local mesh workgroup, per dimension. These three values represent the maximum local workgroup size in the X, Y, and Z dimensions, respectively. The x, y, and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit.

maxMeshSharedMemorySize is the maximum total storage size, in bytes, available for variables declared with the Workgroup storage class in shader modules in the mesh shader stage.

maxMeshPayloadAndSharedMemorySize is the maximum total storage size, in bytes, available for variables that are declared with the TaskPayloadWorkgroupEXT or Workgroup storage class in shader modules in the mesh shader stage.

maxMeshOutputMemorySize is the maximum total storage size, in bytes, available for output variables in shader modules in the mesh shader stage, according to the formula in Mesh Shader Output.

maxMeshPayloadAndOutputMemorySize is the maximum total storage size, in bytes, available for variables that are declared with the TaskPayloadWorkgroupEXT storage class, or output variables in shader modules in the mesh shader stage, according to the formula in Mesh Shader Output.

maxMeshOutputComponents is the maximum number of components of output variables which can be output from the mesh shader stage.

maxMeshOutputVertices is the maximum number of vertices which can be emitted by a single mesh shader workgroup.

maxMeshOutputPrimitives is the maximum number of primitives which can be emitted by a single mesh shader workgroup.

maxMeshOutputLayers is one greater than the maximum layer index that can be output from the mesh shader stage.

maxMeshMultiviewViewCount is one greater than the maximum view index that can be used by any mesh shader.

meshOutputPerVertexGranularity is the granularity of vertex allocation. The number of output vertices allocated for the mesh shader stage is padded to a multiple of this number. The value can be used to calculate the required storage size for output variables in shader modules in the mesh shader stage, which must be less than or equal to maxMeshOutputMemorySize.

meshOutputPerPrimitiveGranularity is the granularity of primitive allocation. The number of output primitives allocated for the mesh shader stage is padded to a multiple of this number. The value can be used to calculate the required storage size for output variables in shader modules in the mesh shader stage, which must be less than or equal to maxMeshOutputMemorySize.

maxPreferredTaskWorkGroupInvocations is the maximum number of task shader invocations in a single workgroup that is preferred by the implementation for optimal performance. The value is guaranteed to be a multiple of a supported subgroup size for the task shader stage.

maxPreferredMeshWorkGroupInvocations is the maximum number of mesh shader invocations in a single workgroup that is preferred by the implementation for optimal performance. The value is guaranteed to be a multiple of a supported subgroup size for the mesh shader stage.

prefersLocalInvocationVertexOutput specifies whether writes to the vertex output array in a mesh shader yield best performance when the array index matches LocalInvocationIndex.

prefersLocalInvocationPrimitiveOutput specifies whether writes to the primitive output array in a mesh shader yield best performance when the array index matches LocalInvocationIndex.

prefersCompactVertexOutput specifies whether output vertices should be compacted after custom culling in the mesh shader for best performance, otherwise keeping the vertices at their original location may be better.

prefersCompactPrimitiveOutput specifies whether output primitives should be compacted after custom culling in the mesh shader for best performance, otherwise the use of CullPrimitiveEXT may be better.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxUpdateAfterBindDescriptorsInAllPools is the maximum number of descriptors (summed over all descriptor types) that can be created across all pools that are created with the VK_DESCRIPTOR_POOL_CREATE_UPDATE_AFTER_BIND_BIT bit set. Pool creation may fail when this limit is exceeded, or when the space this limit represents is unable to satisfy a pool creation due to fragmentation.

shaderUniformBufferArrayNonUniformIndexingNative is a boolean value indicating whether uniform buffer descriptors natively support non-uniform indexing. If this is VK_FALSE, then a single dynamic instance of an instruction that non-uniformly indexes an array of uniform buffers may execute multiple times in order to access all the descriptors.

shaderSampledImageArrayNonUniformIndexingNative is a boolean value indicating whether sampler and image descriptors natively support non-uniform indexing. If this is VK_FALSE, then a single dynamic instance of an instruction that non-uniformly indexes an array of samplers or images may execute multiple times in order to access all the descriptors.

shaderStorageBufferArrayNonUniformIndexingNative is a boolean value indicating whether storage buffer descriptors natively support non-uniform indexing. If this is VK_FALSE, then a single dynamic instance of an instruction that non-uniformly indexes an array of storage buffers may execute multiple times in order to access all the descriptors.

shaderStorageImageArrayNonUniformIndexingNative is a boolean value indicating whether storage image descriptors natively support non-uniform indexing. If this is VK_FALSE, then a single dynamic instance of an instruction that non-uniformly indexes an array of storage images may execute multiple times in order to access all the descriptors.

shaderInputAttachmentArrayNonUniformIndexingNative is a boolean value indicating whether input attachment descriptors natively support non-uniform indexing. If this is VK_FALSE, then a single dynamic instance of an instruction that non-uniformly indexes an array of input attachments may execute multiple times in order to access all the descriptors.

robustBufferAccessUpdateAfterBind is a boolean value indicating whether robustBufferAccess can be enabled on a device simultaneously with descriptorBindingUniformBufferUpdateAfterBind, descriptorBindingStorageBufferUpdateAfterBind, descriptorBindingUniformTexelBufferUpdateAfterBind, and/or descriptorBindingStorageTexelBufferUpdateAfterBind. If this is VK_FALSE, then either robustBufferAccess must be disabled or all of these update-after-bind features must be disabled.

quadDivergentImplicitLod is a boolean value indicating whether implicit LOD calculations for image operations have well-defined results when the image and/or sampler objects used for the instruction are not uniform within a quad. See Derivative Image Operations.

maxPerStageDescriptorUpdateAfterBindSamplers is similar to maxPerStageDescriptorSamplers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageDescriptorUpdateAfterBindUniformBuffers is similar to maxPerStageDescriptorUniformBuffers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageDescriptorUpdateAfterBindStorageBuffers is similar to maxPerStageDescriptorStorageBuffers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageDescriptorUpdateAfterBindSampledImages is similar to maxPerStageDescriptorSampledImages but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageDescriptorUpdateAfterBindStorageImages is similar to maxPerStageDescriptorStorageImages but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageDescriptorUpdateAfterBindInputAttachments is similar to maxPerStageDescriptorInputAttachments but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxPerStageUpdateAfterBindResources is similar to maxPerStageResources but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindSamplers is similar to maxDescriptorSetSamplers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindUniformBuffers is similar to maxDescriptorSetUniformBuffers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindUniformBuffersDynamic is similar to maxDescriptorSetUniformBuffersDynamic but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set. While an application can allocate dynamic uniform buffer descriptors from a pool created with the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT, bindings for these descriptors must not be present in any descriptor set layout that includes bindings created with VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT.

maxDescriptorSetUpdateAfterBindStorageBuffers is similar to maxDescriptorSetStorageBuffers but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindStorageBuffersDynamic is similar to maxDescriptorSetStorageBuffersDynamic but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set. While an application can allocate dynamic storage buffer descriptors from a pool created with the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT, bindings for these descriptors must not be present in any descriptor set layout that includes bindings created with VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT.

maxDescriptorSetUpdateAfterBindSampledImages is similar to maxDescriptorSetSampledImages but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindStorageImages is similar to maxDescriptorSetStorageImages but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetUpdateAfterBindInputAttachments is similar to maxDescriptorSetInputAttachments but counts descriptors from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxInlineUniformBlockSize is the maximum size in bytes of an inline uniform block binding.

maxPerStageDescriptorInlineUniformBlocks is the maximum number of inline uniform block bindings that can be accessible to a single shader stage in a pipeline layout. Descriptor bindings with a descriptor type of VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK count against this limit. Only descriptor bindings in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit.

maxPerStageDescriptorUpdateAfterBindInlineUniformBlocks is similar to maxPerStageDescriptorInlineUniformBlocks but counts descriptor bindings from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetInlineUniformBlocks is the maximum number of inline uniform block bindings that can be included in descriptor bindings in a pipeline layout across all pipeline shader stages and descriptor set numbers. Descriptor bindings with a descriptor type of VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK count against this limit. Only descriptor bindings in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit.

maxDescriptorSetUpdateAfterBindInlineUniformBlocks is similar to maxDescriptorSetInlineUniformBlocks but counts descriptor bindings from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

primitiveOverestimationSize is the size in pixels the generating primitive is increased at each of its edges during conservative rasterization overestimation mode. Even with a size of 0.0, conservative rasterization overestimation rules still apply and if any part of the pixel rectangle is covered by the generating primitive, fragments are generated for the entire pixel. However implementations may make the pixel coverage area even more conservative by increasing the size of the generating primitive.

maxExtraPrimitiveOverestimationSize is the maximum size in pixels of extra overestimation the implementation supports in the pipeline state. A value of 0.0 means the implementation does not support any additional overestimation of the generating primitive during conservative rasterization. A value above 0.0 allows the application to further increase the size of the generating primitive during conservative rasterization overestimation.

extraPrimitiveOverestimationSizeGranularity is the granularity of extra overestimation that can be specified in the pipeline state between 0.0 and maxExtraPrimitiveOverestimationSize inclusive. A value of 0.0 means the implementation can use the smallest representable non-zero value in the screen space pixel fixed-point grid.

primitiveUnderestimation is VK_TRUE if the implementation supports the VK_CONSERVATIVE_RASTERIZATION_MODE_UNDERESTIMATE_EXT conservative rasterization mode in addition to VK_CONSERVATIVE_RASTERIZATION_MODE_OVERESTIMATE_EXT. Otherwise the implementation only supports VK_CONSERVATIVE_RASTERIZATION_MODE_OVERESTIMATE_EXT.

conservativePointAndLineRasterization is VK_TRUE if the implementation supports conservative rasterization of point and line primitives as well as triangle primitives. Otherwise the implementation only supports triangle primitives.

degenerateTrianglesRasterized is VK_FALSE if the implementation culls primitives generated from triangles that become zero area after they are quantized to the fixed-point rasterization pixel grid. degenerateTrianglesRasterized is VK_TRUE if these primitives are not culled and the provoking vertex attributes and depth value are used for the fragments. The primitive area calculation is done on the primitive generated from the clipped triangle if applicable. Zero area primitives are backfacing and the application can enable backface culling if desired.

degenerateLinesRasterized is VK_FALSE if the implementation culls lines that become zero length after they are quantized to the fixed-point rasterization pixel grid. degenerateLinesRasterized is VK_TRUE if zero length lines are not culled and the provoking vertex attributes and depth value are used for the fragments.

fullyCoveredFragmentShaderInputVariable is VK_TRUE if the implementation supports the SPIR-V builtin fragment shader input variable FullyCoveredEXT specifying that conservative rasterization is enabled and the fragment area is fully covered by the generating primitive.

conservativeRasterizationPostDepthCoverage is VK_TRUE if the implementation supports conservative rasterization with the PostDepthCoverage execution mode enabled. Otherwise the PostDepthCoverage execution mode must not be used when conservative rasterization is enabled.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

minFragmentDensityTexelSize is the minimum fragment density texel size.

maxFragmentDensityTexelSize is the maximum fragment density texel size.

fragmentDensityInvocations specifies whether the implementation may invoke additional fragment shader invocations for each covered sample.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

subsampledLoads specifies if performing image data read with load operations on subsampled attachments will be resampled to the fragment density of the render pass

subsampledCoarseReconstructionEarlyAccess specifies if performing image data read with samplers created with flags containing VK_SAMPLER_CREATE_SUBSAMPLED_COARSE_RECONSTRUCTION_BIT_EXT in fragment shader will trigger additional reads during VK_PIPELINE_STAGE_VERTEX_SHADER_BIT

maxSubsampledArrayLayers is the maximum number of VkImageView array layers for usages supporting subsampled samplers

maxDescriptorSetSubsampledSamplers is the maximum number of subsampled samplers that can be included in a VkPipelineLayout

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

fragmentDensityOffsetGranularity is the granularity for fragment density offsets.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderEngineCount is an unsigned integer value indicating the number of shader engines found inside the shader core of the physical device.

shaderArraysPerEngineCount is an unsigned integer value indicating the number of shader arrays inside a shader engine. Each shader array has its own scan converter, set of compute units, and a render back end (color and depth attachments). Shader arrays within a shader engine share shader processor input (wave launcher) and shader export (export buffer) units. Currently, a shader engine can have one or two shader arrays.

computeUnitsPerShaderArray is an unsigned integer value indicating the physical number of compute units within a shader array. The active number of compute units in a shader array may be lower. A compute unit houses a set of SIMDs along with a sequencer module and a local data store.

simdPerComputeUnit is an unsigned integer value indicating the number of SIMDs inside a compute unit. Each SIMD processes a single instruction at a time.

wavefrontSize is an unsigned integer value indicating the maximum size of a subgroup.

sgprsPerSimd is an unsigned integer value indicating the number of physical Scalar General-Purpose Registers (SGPRs) per SIMD.

minSgprAllocation is an unsigned integer value indicating the minimum number of SGPRs allocated for a wave.

maxSgprAllocation is an unsigned integer value indicating the maximum number of SGPRs allocated for a wave.

sgprAllocationGranularity is an unsigned integer value indicating the granularity of SGPR allocation for a wave.

vgprsPerSimd is an unsigned integer value indicating the number of physical Vector General-Purpose Registers (VGPRs) per SIMD.

minVgprAllocation is an unsigned integer value indicating the minimum number of VGPRs allocated for a wave.

maxVgprAllocation is an unsigned integer value indicating the maximum number of VGPRs allocated for a wave.

vgprAllocationGranularity is an unsigned integer value indicating the granularity of VGPR allocation for a wave.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderCoreFeatures is a bitmask of VkShaderCorePropertiesFlagBitsAMD indicating the set of features supported by the shader core.

activeComputeUnitCount is an unsigned integer value indicating the number of compute units that have been enabled.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

supportedDepthResolveModes is a bitmask of VkResolveModeFlagBits indicating the set of supported depth resolve modes. VK_RESOLVE_MODE_SAMPLE_ZERO_BIT must be included in the set but implementations may support additional modes.

supportedStencilResolveModes is a bitmask of VkResolveModeFlagBits indicating the set of supported stencil resolve modes. VK_RESOLVE_MODE_SAMPLE_ZERO_BIT must be included in the set but implementations may support additional modes. VK_RESOLVE_MODE_AVERAGE_BIT must not be included in the set.

independentResolveNone is VK_TRUE if the implementation supports setting the depth and stencil resolve modes to different values when one of those modes is VK_RESOLVE_MODE_NONE. Otherwise the implementation only supports setting both modes to the same value.

independentResolve is VK_TRUE if the implementation supports all combinations of the supported depth and stencil resolve modes, including setting either depth or stencil resolve mode to VK_RESOLVE_MODE_NONE. An implementation that supports independentResolve must also support independentResolveNone.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

allowCommandBufferQueryCopies is VK_TRUE if the performance query pools are allowed to be used with vkCmdCopyQueryPoolResults.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shadingRateTexelSize indicates the width and height of the portion of the framebuffer corresponding to each texel in the shading rate image.

shadingRatePaletteSize indicates the maximum number of palette entries supported for the shading rate image.

shadingRateMaxCoarseSamples specifies the maximum number of coverage samples supported in a single fragment. If the product of the fragment size derived from the base shading rate and the number of coverage samples per pixel exceeds this limit, the final shading rate will be adjusted so that its product does not exceed the limit.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

decompressionMethods is a bitmask of VkMemoryDecompressionMethodFlagBitsNV specifying memory decompression methods supported by the implementation.

maxDecompressionIndirectCount specifies the maximum supported count value in the countBuffer of vkCmdDecompressMemoryIndirectCountNV

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxTransformFeedbackStreams is the maximum number of vertex streams that can be output from geometry shaders declared with the GeometryStreams capability. If the implementation does not support VkPhysicalDeviceTransformFeedbackFeaturesEXT::geometryStreams then maxTransformFeedbackStreams must be 1.

maxTransformFeedbackBuffers is the maximum number of transform feedback buffers that can be bound for capturing shader outputs from the last pre-rasterization shader stage.

maxTransformFeedbackBufferSize is the maximum size that can be specified when binding a buffer for transform feedback in vkCmdBindTransformFeedbackBuffersEXT.

maxTransformFeedbackStreamDataSize is the maximum amount of data in bytes for each vertex that captured to one or more transform feedback buffers associated with a specific vertex stream.

maxTransformFeedbackBufferDataSize is the maximum amount of data in bytes for each vertex that can be captured to a specific transform feedback buffer.

maxTransformFeedbackBufferDataStride is the maximum stride between each capture of vertex data to the buffer.

transformFeedbackQueries is VK_TRUE if the implementation supports the VK_QUERY_TYPE_TRANSFORM_FEEDBACK_STREAM_EXT query type. transformFeedbackQueries is VK_FALSE if queries of this type cannot be created.

transformFeedbackStreamsLinesTriangles is VK_TRUE if the implementation supports the geometry shader OpExecutionMode of OutputLineStrip and OutputTriangleStrip in addition to OutputPoints when more than one vertex stream is output. If transformFeedbackStreamsLinesTriangles is VK_FALSE the implementation only supports an OpExecutionMode of OutputPoints when more than one vertex stream is output from the geometry shader.

transformFeedbackRasterizationStreamSelect is VK_TRUE if the implementation supports the GeometryStreams SPIR-V capability and the application can use VkPipelineRasterizationStateStreamCreateInfoEXT to modify which vertex stream output is used for rasterization. Otherwise vertex stream 0 must always be used for rasterization.

transformFeedbackDraw is VK_TRUE if the implementation supports the vkCmdDrawIndirectByteCountEXT function otherwise the function must not be called.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

supportedQueues is a bitmask of VkQueueFlagBits indicating the queues on which indirect copy commands are supported.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderGroupHandleSize is the size in bytes of the shader header.

maxRecursionDepth is the maximum number of levels of recursion allowed in a trace command.

maxShaderGroupStride is the maximum stride in bytes allowed between shader groups in the shader binding table.

shaderGroupBaseAlignment is the required alignment in bytes for the base of the shader binding table.

maxGeometryCount is the maximum number of geometries in the bottom level acceleration structure.

maxInstanceCount is the maximum number of instances in the top level acceleration structure.

maxTriangleCount is the maximum number of triangles in all geometries in the bottom level acceleration structure.

maxDescriptorSetAccelerationStructures is the maximum number of acceleration structure descriptors that are allowed in a descriptor set.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxGeometryCount is the maximum number of geometries in the bottom level acceleration structure.

maxInstanceCount is the maximum number of instances in the top level acceleration structure.

maxPrimitiveCount is the maximum number of triangles or AABBs in all geometries in the bottom level acceleration structure.

maxPerStageDescriptorAccelerationStructures is the maximum number of acceleration structure bindings that can be accessible to a single shader stage in a pipeline layout. Descriptor bindings with a descriptor type of VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR count against this limit. Only descriptor bindings in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit.

maxPerStageDescriptorUpdateAfterBindAccelerationStructures is similar to maxPerStageDescriptorAccelerationStructures but counts descriptor bindings from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

maxDescriptorSetAccelerationStructures is the maximum number of acceleration structure descriptors that can be included in descriptor bindings in a pipeline layout across all pipeline shader stages and descriptor set numbers. Descriptor bindings with a descriptor type of VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR count against this limit. Only descriptor bindings in descriptor set layouts created without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set count against this limit.

maxDescriptorSetUpdateAfterBindAccelerationStructures is similar to maxDescriptorSetAccelerationStructures but counts descriptor bindings from descriptor sets created with or without the VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT bit set.

minAccelerationStructureScratchOffsetAlignment is the minimum required alignment, in bytes, for scratch data passed in to an acceleration structure build command. The value must be a power of two.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderGroupHandleSize is the size in bytes of the shader header.

maxRayRecursionDepth is the maximum number of levels of ray recursion allowed in a trace command.

maxShaderGroupStride is the maximum stride in bytes allowed between shader groups in the shader binding table.

shaderGroupBaseAlignment is the required alignment in bytes for the base of the shader binding table.

shaderGroupHandleCaptureReplaySize is the number of bytes for the information required to do capture and replay for shader group handles.

maxRayDispatchInvocationCount is the maximum number of ray generation shader invocations which may be produced by a single vkCmdTraceRaysIndirectKHR or vkCmdTraceRaysKHR command.

shaderGroupHandleAlignment is the required alignment in bytes for each entry in a shader binding table. The value must be a power of two.

maxRayHitAttributeSize is the maximum size in bytes for a ray attribute structure

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

cooperativeMatrixSupportedStages is a bitfield of VkShaderStageFlagBits describing the shader stages that cooperative matrix instructions are supported in. cooperativeMatrixSupportedStages will have the VK_SHADER_STAGE_COMPUTE_BIT bit set if any of the physical device’s queues support VK_QUEUE_COMPUTE_BIT.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

cooperativeMatrixSupportedStages is a bitfield of VkShaderStageFlagBits describing the shader stages that cooperative matrix instructions are supported in. cooperativeMatrixSupportedStages will have the VK_SHADER_STAGE_COMPUTE_BIT bit set if any of the physical device’s queues support VK_QUEUE_COMPUTE_BIT.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

cooperativeMatrixWorkgroupScopeMaxWorkgroupSize is the maximum number of invocations in a workgroup when the module uses OpTypeCooperativeMatrixKHR with Scope equal to Workgroup.

cooperativeMatrixFlexibleDimensionsMaxDimension is the maximum supported dimension for cooperative matrix types when the cooperativeMatrixFlexibleDimensions feature is enabled.

cooperativeMatrixWorkgroupScopeReservedSharedMemory is the number of bytes of shared memory reserved for the implementation when the module uses OpTypeCooperativeMatrixKHR with Scope equal to Workgroup.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderSMCount is the number of SMs on the device.

shaderWarpsPerSM is the maximum number of simultaneously executing warps on an SM.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

storageTexelBufferOffsetAlignmentBytes is a byte alignment that is sufficient for a storage texel buffer of any format. The value must be a power of two.

storageTexelBufferOffsetSingleTexelAlignment indicates whether single texel alignment is sufficient for a storage texel buffer of any format.

uniformTexelBufferOffsetAlignmentBytes is a byte alignment that is sufficient for a uniform texel buffer of any format. The value must be a power of two.

uniformTexelBufferOffsetSingleTexelAlignment indicates whether single texel alignment is sufficient for a uniform texel buffer of any format.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxTimelineSemaphoreValueDifference indicates the maximum difference allowed by the implementation between the current value of a timeline semaphore and any pending signal or wait operations.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

lineSubPixelPrecisionBits is the number of bits of subpixel precision in framebuffer coordinates x_f and y_f when rasterizing line segments.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

robustStorageBufferAccessSizeAlignment is the number of bytes that the range of a storage buffer descriptor is rounded up to when used for bounds-checking when the robustBufferAccess2 feature is enabled. This value must be either 1 or 4.

robustUniformBufferAccessSizeAlignment is the number of bytes that the range of a uniform buffer descriptor is rounded up to when used for bounds-checking when the robustBufferAccess2 feature is enabled. This value must be a power of two in the range [1, 256].

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxGraphicsShaderGroupCount is the maximum number of shader groups in VkGraphicsPipelineShaderGroupsCreateInfoNV.

maxIndirectSequenceCount is the maximum number of sequences in VkGeneratedCommandsInfoNV and in VkGeneratedCommandsMemoryRequirementsInfoNV.

maxIndirectCommandsTokenCount is the maximum number of tokens in VkIndirectCommandsLayoutCreateInfoNV.

maxIndirectCommandsStreamCount is the maximum number of streams in VkIndirectCommandsLayoutCreateInfoNV.

maxIndirectCommandsTokenOffset is the maximum offset in VkIndirectCommandsLayoutTokenNV.

maxIndirectCommandsStreamStride is the maximum stream stride in VkIndirectCommandsLayoutCreateInfoNV.

minSequencesCountBufferOffsetAlignment is the minimum alignment for memory addresses which can be used in VkGeneratedCommandsInfoNV.

minSequencesIndexBufferOffsetAlignment is the minimum alignment for memory addresses which can be used in VkGeneratedCommandsInfoNV.

minIndirectCommandsBufferOffsetAlignment is the minimum alignment for memory addresses used in VkIndirectCommandsStreamNV, and as preprocess buffer in VkGeneratedCommandsInfoNV.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxIndirectPipelineCount is the maximum number of pipelines passed to vkCreateIndirectExecutionSetEXT.

maxIndirectShaderObjectCount is the maximum number of shader objects passed to vkCreateIndirectExecutionSetEXT. If this value is zero, binding shader objects indirectly is not supported.

maxIndirectSequenceCount is the maximum number of sequences in VkGeneratedCommandsInfoEXT and in VkGeneratedCommandsMemoryRequirementsInfoEXT.

maxIndirectCommandsTokenCount is the maximum number of tokens in VkIndirectCommandsLayoutCreateInfoEXT.

maxIndirectCommandsTokenOffset is the maximum offset in VkIndirectCommandsLayoutTokenEXT.

maxIndirectCommandsIndirectStride is the maximum stream stride in VkIndirectCommandsLayoutCreateInfoEXT.

supportedIndirectCommandsInputModes indicates the supported input modes.

supportedIndirectCommandsShaderStages indicates the stages which can be used to generate indirect commands. Implementations are required to support, at minimum: VK_SHADER_STAGE_VERTEX_BIT, VK_SHADER_STAGE_FRAGMENT_BIT, VK_SHADER_STAGE_COMPUTE_BIT.

supportedIndirectCommandsShaderStagesPipelineBinding indicates the stages which can be used within indirect execution sets for indirectly binding shader stages using pipelines.

supportedIndirectCommandsShaderStagesShaderBinding indicates the stages which can be used within indirect execution sets for indirectly binding shader stages using shader objects.

deviceGeneratedCommandsTransformFeedback indicates whether the implementation supports interactions with VK_EXT_transform_feedback for pipelines not created with VK_PIPELINE_CREATE_2_INDIRECT_BINDABLE_BIT_EXT.

deviceGeneratedCommandsMultiDrawIndirectCount indicates whether the implementation supports COUNT variants of multi-draw indirect tokens.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

minVertexInputBindingStrideAlignment indicates the minimum alignment for vertex input strides. VkVertexInputBindingDescription::stride must be a multiple of, and at least as large as, this value. The value must be a power of two.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

minFragmentShadingRateAttachmentTexelSize indicates minimum supported width and height of the portion of the framebuffer corresponding to each texel in a fragment shading rate attachment. Each value must be less than or equal to the values in maxFragmentShadingRateAttachmentTexelSize. Each value must be a power-of-two. It must be (0,0) if the attachmentFragmentShadingRate feature is not supported.

maxFragmentShadingRateAttachmentTexelSize indicates maximum supported width and height of the portion of the framebuffer corresponding to each texel in a fragment shading rate attachment. Each value must be greater than or equal to the values in minFragmentShadingRateAttachmentTexelSize. Each value must be a power-of-two. It must be (0,0) if the attachmentFragmentShadingRate feature is not supported.

maxFragmentShadingRateAttachmentTexelSizeAspectRatio indicates the maximum ratio between the width and height of the portion of the framebuffer corresponding to each texel in a fragment shading rate attachment. maxFragmentShadingRateAttachmentTexelSizeAspectRatio must be a power-of-two value, and must be less than or equal to max(maxFragmentShadingRateAttachmentTexelSize.width / minFragmentShadingRateAttachmentTexelSize.height, maxFragmentShadingRateAttachmentTexelSize.height / minFragmentShadingRateAttachmentTexelSize.width). It must be 0 if the attachmentFragmentShadingRate feature is not supported.

primitiveFragmentShadingRateWithMultipleViewports specifies whether the primitive fragment shading rate can be used when multiple viewports are used. If this value is VK_FALSE, only a single viewport must be used, and applications must not write to the ViewportMaskNV or ViewportIndex built-in when setting PrimitiveShadingRateKHR. It must be VK_FALSE if the shaderOutputViewportIndex feature, the VK_EXT_shader_viewport_index_layer extension, or the geometryShader feature is not supported, or if the primitiveFragmentShadingRate feature is not supported.

layeredShadingRateAttachments specifies whether a shading rate attachment image view can be created with multiple layers. If this value is VK_FALSE, when creating an image view with a usage that includes VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR, layerCount must be 1. It must be VK_FALSE if the multiview feature, the shaderOutputViewportIndex feature, the VK_EXT_shader_viewport_index_layer extension, or the geometryShader feature is not supported, or if the attachmentFragmentShadingRate feature is not supported.

fragmentShadingRateNonTrivialCombinerOps specifies whether VkFragmentShadingRateCombinerOpKHR enums other than VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR or VK_FRAGMENT_SHADING_RATE_COMBINER_OP_REPLACE_KHR can be used. It must be VK_FALSE unless either the primitiveFragmentShadingRate or attachmentFragmentShadingRate feature is supported.

maxFragmentSize indicates the maximum supported width and height of a fragment. Its width and height members must both be power-of-two values. This limit is purely informational, and is not validated.

maxFragmentSizeAspectRatio indicates the maximum ratio between the width and height of a fragment. maxFragmentSizeAspectRatio must be a power-of-two value, and must be less than or equal to the maximum of the width and height members of maxFragmentSize. This limit is purely informational, and is not validated.

maxFragmentShadingRateCoverageSamples specifies the maximum number of coverage samples supported in a single fragment. maxFragmentShadingRateCoverageSamples must be less than or equal to the product of the width and height members of maxFragmentSize, and the sample count reported by maxFragmentShadingRateRasterizationSamples. maxFragmentShadingRateCoverageSamples must be less than or equal to maxSampleMaskWords × 32 if fragmentShadingRateWithShaderSampleMask is supported. This limit is purely informational, and is not validated.

maxFragmentShadingRateRasterizationSamples is a VkSampleCountFlagBits value specifying the maximum sample rate supported when a fragment covers multiple pixels. This limit is purely informational, and is not validated.

fragmentShadingRateWithShaderDepthStencilWrites specifies whether the implementation supports writing FragDepth or FragStencilRefEXT from a fragment shader for multi-pixel fragments. If this value is VK_FALSE, writing to those built-ins will clamp the fragment shading rate to (1,1).

fragmentShadingRateWithSampleMask specifies whether the implementation supports setting valid bits of VkPipelineMultisampleStateCreateInfo::pSampleMask to 0 for multi-pixel fragments. If this value is VK_FALSE, zeroing valid bits in the sample mask will clamp the fragment shading rate to (1,1).

fragmentShadingRateWithShaderSampleMask specifies whether the implementation supports reading or writing SampleMask for multi-pixel fragments. If this value is VK_FALSE, using that built-in will clamp the fragment shading rate to (1,1).

fragmentShadingRateWithConservativeRasterization specifies whether conservative rasterization is supported for multi-pixel fragments. It must be VK_FALSE if VK_EXT_conservative_rasterization is not supported. If this value is VK_FALSE, using conservative rasterization will clamp the fragment shading rate to (1,1).

fragmentShadingRateWithFragmentShaderInterlock specifies whether fragment shader interlock is supported for multi-pixel fragments. It must be VK_FALSE if VK_EXT_fragment_shader_interlock is not supported. If this value is VK_FALSE, using fragment shader interlock will clamp the fragment shading rate to (1,1).

fragmentShadingRateWithCustomSampleLocations specifies whether custom sample locations are supported for multi-pixel fragments. It must be VK_FALSE if VK_EXT_sample_locations is not supported. If this value is VK_FALSE, using custom sample locations will clamp the fragment shading rate to (1,1).

fragmentShadingRateStrictMultiplyCombiner specifies whether VK_FRAGMENT_SHADING_RATE_COMBINER_OP_MUL_KHR accurately performs a multiplication or not. Implementations where this value is VK_FALSE will instead combine rates with an addition. If fragmentShadingRateNonTrivialCombinerOps is VK_FALSE, implementations must report this as VK_FALSE. If fragmentShadingRateNonTrivialCombinerOps is VK_TRUE, implementations should report this as VK_TRUE.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxFragmentShadingRateInvocationCount is a VkSampleCountFlagBits value indicating the maximum number of fragment shader invocations per fragment supported in pipeline, primitive, and attachment fragment shading rates.

maxCustomBorderColorSamplers indicates the maximum number of samplers with custom border colors which can simultaneously exist on a device.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

provokingVertexModePerPipeline indicates whether the implementation supports graphics pipelines with different provoking vertex modes within the same render pass instance.

transformFeedbackPreservesTriangleFanProvokingVertex indicates whether the implementation can preserve the provoking vertex order when writing triangle fan vertices to transform feedback.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

combinedImageSamplerDescriptorSingleArray indicates that the implementation does not require an array of VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER descriptors to be written into a descriptor buffer as an array of image descriptors, immediately followed by an array of sampler descriptors.

bufferlessPushDescriptors indicates that the implementation does not require a buffer created with VK_BUFFER_USAGE_PUSH_DESCRIPTORS_DESCRIPTOR_BUFFER_BIT_EXT to be bound when using push descriptors.

allowSamplerImageViewPostSubmitCreation indicates that the implementation does not restrict when the VkSampler or VkImageView objects used to retrieve descriptor data can be created in relation to command buffer submission. If this value is VK_FALSE, then the application must create any VkSampler or VkImageView objects whose descriptor data is accessed during the execution of a command buffer, before the vkQueueSubmit , or vkQueueSubmit2, call that submits that command buffer.

descriptorBufferOffsetAlignment indicates the required alignment in bytes when setting offsets into the descriptor buffer.

maxDescriptorBufferBindings indicates the maximum number of descriptor buffer bindings.

maxResourceDescriptorBufferBindings indicates the maximum number of descriptor buffer bindings with VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT that can be used.

maxSamplerDescriptorBufferBindings indicates the maximum number of descriptor buffer bindings with VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT that can be used.

maxEmbeddedImmutableSamplerBindings indicates the maximum number of embedded immutable sampler sets that can be bound.

maxEmbeddedImmutableSamplers indicates the maximum number of unique immutable samplers in descriptor set layouts created with VK_DESCRIPTOR_SET_LAYOUT_CREATE_EMBEDDED_IMMUTABLE_SAMPLERS_BIT_EXT, and pipeline layouts created from them, which can simultaneously exist on a device.

bufferCaptureReplayDescriptorDataSize indicates the maximum size in bytes of the opaque data used for capture and replay with buffers.

imageCaptureReplayDescriptorDataSize indicates the maximum size in bytes of the opaque data used for capture and replay with images.

imageViewCaptureReplayDescriptorDataSize indicates the maximum size in bytes of the opaque data used for capture and replay with image views.

samplerCaptureReplayDescriptorDataSize indicates the maximum size in bytes of the opaque data used for capture and replay with samplers.

accelerationStructureCaptureReplayDescriptorDataSize indicates the maximum size in bytes of the opaque data used for capture and replay with acceleration structures.

samplerDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_SAMPLER descriptor.

combinedImageSamplerDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER descriptor.

sampledImageDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE descriptor.

storageImageDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_STORAGE_IMAGE descriptor.

uniformTexelBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER descriptor if the robustBufferAccess feature is not enabled.

robustUniformTexelBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER descriptor if the robustBufferAccess feature is enabled.

storageTexelBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER descriptor if the robustBufferAccess feature is not enabled.

robustStorageTexelBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER descriptor if the robustBufferAccess feature is enabled.

uniformBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER descriptor.

robustUniformBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER descriptor if the robustBufferAccess feature is enabled.

storageBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_STORAGE_BUFFER descriptor.

robustStorageBufferDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_STORAGE_BUFFER descriptor if the robustBufferAccess feature is enabled.

inputAttachmentDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT descriptor.

accelerationStructureDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR or VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_NV descriptor.

maxSamplerDescriptorBufferRange indicates the maximum range in bytes from the address of a sampler descriptor buffer binding that is accessible to a shader.

maxResourceDescriptorBufferRange indicates the maximum range in bytes from the address of a resource descriptor buffer binding that is accessible to a shader.

samplerDescriptorBufferAddressSpaceSize indicates the total size in bytes of the address space available for descriptor buffers created with VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT.

resourceDescriptorBufferAddressSpaceSize indicates the total size in bytes of the address space available for descriptor buffers created with VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT.

descriptorBufferAddressSpaceSize indicates the total size in bytes of the address space available for descriptor buffers created with both VK_BUFFER_USAGE_SAMPLER_DESCRIPTOR_BUFFER_BIT_EXT and VK_BUFFER_USAGE_RESOURCE_DESCRIPTOR_BUFFER_BIT_EXT.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

combinedImageSamplerDensityMapDescriptorSize indicates the size in bytes of a VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER descriptor when creating the descriptor with VK_SAMPLER_CREATE_SUBSAMPLED_BIT_EXT set.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

copySrcLayoutCount is an integer related to the number of image layouts for host copies from images available or queried, as described below.

pCopySrcLayouts is a pointer to an array of VkImageLayout in which supported image layouts for use with host copy operations from images are returned.

copyDstLayoutCount is an integer related to the number of image layouts for host copies to images available or queried, as described below.

pCopyDstLayouts is a pointer to an array of VkImageLayout in which supported image layouts for use with host copy operations to images are returned.

optimalTilingLayoutUUID is an array of VK_UUID_SIZE uint8_t values representing a universally unique identifier for the implementation’s swizzling layout of images created with VK_IMAGE_TILING_OPTIMAL.

identicalMemoryTypeRequirements indicates that specifying the VK_IMAGE_USAGE_HOST_TRANSFER_BIT flag in VkImageCreateInfo::usage does not affect the memory type requirements of the image.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxSubpassShadingWorkgroupSizeAspectRatio indicates the maximum ratio between the width and height of the portion of the subpass shading shader workgroup size. maxSubpassShadingWorkgroupSizeAspectRatio must be a power-of-two value, and must be less than or equal to max(WorkgroupSize.x / WorkgroupSize.y, WorkgroupSize.y / WorkgroupSize.x).

maxMultiDrawCount indicates the maximum number of draw calls which can be batched into a single multidraw.

maxCommandBufferNestingLevel indicates the maximum nesting level of calls to vkCmdExecuteCommands from Secondary Command Buffers. A maxCommandBufferNestingLevel of UINT32_MAX means there is no limit to the nesting level.

graphicsPipelineLibraryFastLinking indicates whether fast linking of graphics pipelines is supported. If it is VK_TRUE, creating a graphics pipeline entirely from pipeline libraries without VK_PIPELINE_CREATE_LINK_TIME_OPTIMIZATION_BIT_EXT is comparable in cost to recording a command in a command buffer.

graphicsPipelineLibraryIndependentInterpolationDecoration indicates whether NoPerspective and Flat interpolation decorations in the last vertex processing stage and the fragment shader are required to match when using graphics pipeline libraries. If it is VK_TRUE, the interpolation decorations do not need to match. If it is VK_FALSE, these decorations must either be present in both stages or neither stage in order for a given interface variable to match.

When the provoking vertex mode is VK_PROVOKING_VERTEX_MODE_LAST_VERTEX_EXT, and the primitive order is odd in a triangle strip, the ordering of vertices is defined in last vertex table. triStripVertexOrderIndependentOfProvokingVertex equal to VK_TRUE indicates that the implementation ignores this and uses the vertex order defined by VK_PROVOKING_VERTEX_MODE_FIRST_VERTEX_EXT instead.

shaderModuleIdentifierAlgorithmUUID is an array of VK_UUID_SIZE uint8_t values which uniquely represents the algorithm used to compute an identifier in vkGetShaderModuleIdentifierEXT and vkGetShaderModuleCreateInfoIdentifierEXT. Implementations should not change this value in different driver versions if the algorithm used to compute an identifier is the same.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

defaultRobustnessStorageBuffers describes the behavior of out of bounds accesses made to storage buffers when no robustness features are enabled

defaultRobustnessUniformBuffers describes the behavior of out of bounds accesses made to uniform buffers when no robustness features are enabled

defaultRobustnessVertexInputs describes the behavior of out of bounds accesses made to vertex input attributes when no robustness features are enabled

defaultRobustnessImages describes the behavior of out of bounds accesses made to images when no robustness features are enabled

dynamicPrimitiveTopologyUnrestricted indicates that the implementation allows vkCmdSetPrimitiveTopology to use a different primitive topology class to the one specified in the active graphics pipeline.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

supportedOutputGridSizes are the supported VkOpticalFlowGridSizeFlagsNV which can be specified in VkOpticalFlowSessionCreateInfoNV::outputGridSize.

supportedHintGridSizes are the supported VkOpticalFlowGridSizeFlagsNV which can be specified in VkOpticalFlowSessionCreateInfoNV::hintGridSize.

hintSupported is a boolean describing whether using hint flow vector map is supported in an optical flow session.

costSupported is a boolean describing whether cost map generation is supported in an optical flow session.

bidirectionalFlowSupported is a boolean describing whether bi-directional flow generation is supported in an optical flow session.

globalFlowSupported is a boolean describing whether global flow vector map generation is supported in an optical flow session.

minWidth is the minimum width in pixels for images used in an optical flow session.

minHeight is the minimum height in pixels for images used in an optical flow session.

maxWidth is the maximum width in pixels for images used in an optical flow session.

maxHeight is the maximum height in pixels for images used in an optical flow session.

maxNumRegionsOfInterest is the maximum number of regions of interest which can be used in an optical flow session. If this maxNumRegionsOfInterest is 0, regions of interest are not supported in an optical flow session.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxOpacity2StateSubdivisionLevel is the maximum allowed subdivisionLevel when format is VK_OPACITY_MICROMAP_FORMAT_2_STATE_EXT

maxOpacity4StateSubdivisionLevel is the maximum allowed subdivisionLevel when format is VK_OPACITY_MICROMAP_FORMAT_4_STATE_EXT

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxDisplacementMicromapSubdivisionLevel is the maximum allowed subdivisionLevel for displacement micromaps.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderCoreMask is a bitfield where each bit set represents the presence of a shader core whose ID is the bit position. The highest ID for any shader core on the device is the position of the most significant bit set.

shaderCoreCount is the number of shader cores on the device.

shaderWarpsPerCore is the maximum number of simultaneously executing warps on a shader core.

VK_RAY_TRACING_INVOCATION_REORDER_MODE_NONE_NV specifies that the implementation is likely to not reorder at reorder calls.

VK_RAY_TRACING_INVOCATION_REORDER_MODE_REORDER_NV specifies that the implementation is likely to reorder at reorder calls.

rayTracingInvocationReorderReorderingHint is a hint indicating if the implementation will actually reorder at the reorder calls.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxWorkGroupCount[3] is the maximum number of local workgroups that can be launched by a single command. These three value represent the maximum local workgroup count in the X, Y and Z dimensions, respectively. In the current implementation, the values of Y and Z are both implicitly set as one. groupCountX of DrawCluster command must be less than or equal to maxWorkGroupCount[0].

maxWorkGroupSize[3] is the maximum size of a local workgroup. These three value represent the maximum local workgroup size in the X, Y and Z dimensions, respectively. The x, y and z sizes, as specified by the LocalSize or LocalSizeId execution mode or by the object decorated by the WorkgroupSize decoration in shader modules, must be less than or equal to the corresponding limit. In the current implementation, the maximum workgroup size of the X dimension is 32, the others are 1.

maxOutputClusterCount is the maximum number of output cluster a single cluster culling shader workgroup can emit.

indirectBufferOffsetAlignment indicates the alignment for cluster drawing command buffer stride. vkCmdDrawClusterIndirectHUAWEI::offset must be a multiple of this value.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

pixelRate is an unsigned integer value indicating the maximum number of pixels output per clock per shader core.

texelRate is an unsigned integer value indicating the maximum number of texels per clock per shader core.

fmaRate is an unsigned integer value indicating the maximum number of single-precision fused multiply-add operations per clock per shader core.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

shaderBinaryUUID is an array of VK_UUID_SIZE uint8_t values representing a universally unique identifier for one or more implementations whose shader binaries are guaranteed to be compatible with each other.

shaderBinaryVersion is an unsigned integer incremented to represent backwards compatible differences between implementations with the same shaderBinaryUUID.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

maxExecutionGraphDepth defines the maximum node chain depth in the graph. The dispatched node is at depth 1 and the node enqueued by it is at depth 2, and so on. If a node enqueues itself, each recursive enqueue increases the depth by 1 as well.

maxExecutionGraphShaderOutputNodes specifies the maximum number of unique nodes that can be dispatched from a single shader, and must be at least 256.

maxExecutionGraphShaderPayloadSize specifies the maximum total size of payload declarations in a shader. For any payload declarations that share resources, indicated by NodeSharesPayloadLimitsWithAMDX decorations, the maximum size of each set of shared payload declarations is taken. The sum of each shared set’s maximum size and the size of each unshared payload is counted against this limit.

maxExecutionGraphShaderPayloadCount specifies the maximum number of output payloads that can be initialized in a single workgroup.

executionGraphDispatchAddressAlignment specifies the alignment of non-scratch VkDeviceAddress arguments consumed by graph dispatch commands.

maxExecutionGraphWorkgroupCount[3] is the maximum number of local workgroups that a shader can be dispatched with in X, Y, and Z dimensions, respectively.

maxExecutionGraphWorkgroups is the total number of local workgroups that a shader can be dispatched with.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

extendedSparseAddressSpaceSize is the total amount of address space available, in bytes, for sparse memory resources of all usages if the extendedSparseAddressSpace feature is enabled. This must be greater than or equal to VkPhysicalDeviceLimits::sparseAddressSpaceSize, and the difference in space must only be used with usages allowed below. This is an upper bound on the sum of the sizes of all sparse resources, regardless of whether any memory is bound to them.

extendedSparseImageUsageFlags is a bitmask of VkImageUsageFlagBits of usages which may allow an implementation to use the full extendedSparseAddressSpaceSize space.

extendedSparseBufferUsageFlags is a bitmask of VkBufferUsageFlagBits of usages which may allow an implementation to use the full extendedSparseAddressSpaceSize space.

computeCapabilityMinor indicates the minor version number of the compute code.

computeCapabilityMajor indicates the major version number of the compute code.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

nullColorAttachmentWithExternalFormatResolve indicates that there must be no color attachment image when performing external format resolves if it is VK_TRUE.

externalFormatResolveChromaOffsetX indicates the VkChromaLocation that an implementation uses in the X axis for accesses to an external format image as a resolve attachment. This must be consistent between external format resolves and load operations from external format resolve attachments to color attachments when nullColorAttachmentWithExternalFormatResolve is VK_TRUE.

externalFormatResolveChromaOffsetY indicates the VkChromaLocation that an implementation uses in the Y axis for accesses to an external format image as a resolve attachment. This must be consistent between external format resolves and load operations from external format resolve attachments to color attachments when nullColorAttachmentWithExternalFormatResolve is VK_TRUE.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

pipelineBinaryInternalCache specifies that the implementation maintains a pipeline cache internal to the implementation. If this is VK_TRUE, applications can create pipeline binaries with only a pipeline create info, and in this case, an implementation may be able to create a pipeline binary directly without application needing to capture the binary itself.

pipelineBinaryInternalCacheControl specifies whether the driver’s internal cache can be disabled. If this property is VK_TRUE VkDevicePipelineBinaryInternalCacheControlKHR::disableInternalCache can be used to disable the driver’s internal cache, allowing an application to take full control of both memory and disk usage.

pipelineBinaryPrefersInternalCache specifies that the implementation prefers to maintain an internal cache, and applications should not store pipeline binaries in their own on-disk caches to avoid increased on-disk storage requirements. Applications are encouraged to only store pipeline keys instead, and aim to create pipeline binaries from key alone on subsequent runs of the application.

pipelineBinaryPrecompiledInternalCache specifies that the implementation may have pipeline binaries in its internal cache, which is populated without the application ever having generated that pipeline itself. Applications can attempt to create binaries without extracting pipeline binary data from the pipeline prior for a set of pipeline keys, including from previous runs of the application.

pipelineBinaryCompressedData specifies that the binary data is already compressed and so applications should not attempt to compress it.

sType is a VkStructureType value identifying this structure.

pNext is NULL or a pointer to a structure extending this structure.

renderPassStripeGranularity indicates the minimum supported granularity of striped render pass regions.

maxRenderPassStripes indicates the maximum number of stripes supported in striped rendering.

meshAndTaskShaderDerivatives indicates whether the mesh and task shader stages support the ComputeDerivativeGroupQuadsKHR and ComputeDerivativeGroupLinearKHR SPIR-V capabilities.

minPlacedMemoryMapAlignment is the minimum alignment required for memory object offsets and virtual address ranges when using placed memory mapping.

supportedImageAlignmentMask is a bitwise-or of all potentially supported image alignments for a given physical device when using VK_IMAGE_TILING_OPTIMAL. If a given alignment is supported, the application can request an image to have that alignment. A given set of image creation parameters may support a subset of these alignments. To determine if a particular alignment is supported for a given set of image creation parameters, check VkMemoryRequirements::alignment after chaining in VkImageAlignmentControlCreateInfoMESA.