C Specification

The VkPhysicalDeviceShaderFmaFeaturesKHR structure is defined as:

// Provided by VK_KHR_shader_fma
typedef struct VkPhysicalDeviceShaderFmaFeaturesKHR {
    VkStructureType    sType;
    void*              pNext;
    VkBool32           shaderFmaFloat16;
    VkBool32           shaderFmaFloat32;
    VkBool32           shaderFmaFloat64;
} VkPhysicalDeviceShaderFmaFeaturesKHR;

Members

This structure describes the following feature:

  • sType is a VkStructureType value identifying this structure.

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

  • shaderFmaFloat16 indicates whether the implementation supports OpFmaKHR for Float16 types in shaders.

  • shaderFmaFloat32 indicates whether the implementation supports OpFmaKHR for Float32 types in shaders.

  • shaderFmaFloat64 indicates whether the implementation supports OpFmaKHR for Float64 types in shaders.

Description

If the VkPhysicalDeviceShaderFmaFeaturesKHR structure is included in the pNext chain of the VkPhysicalDeviceFeatures2 structure passed to vkGetPhysicalDeviceFeatures2, it is filled in to indicate whether each corresponding feature is supported. If the application wishes to use a VkDevice with any features described by VkPhysicalDeviceShaderFmaFeaturesKHR, it must add an instance of the structure, with the desired feature members set to VK_TRUE, to the pNext chain of VkDeviceCreateInfo when creating the VkDevice.

Valid Usage (Implicit)

  • VUID-VkPhysicalDeviceShaderFmaFeaturesKHR-sType-sType
    sType must be VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_FMA_FEATURES_KHR

See Also

VK_KHR_shader_fma, VkBool32, VkStructureType

Document Notes

For more information, see the Vulkan Specification.

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0