C Specification
The VkPhysicalDeviceFloatControlsProperties
structure is defined as:
// Provided by VK_VERSION_1_2
typedef struct VkPhysicalDeviceFloatControlsProperties {
VkStructureType sType;
void* pNext;
VkShaderFloatControlsIndependence denormBehaviorIndependence;
VkShaderFloatControlsIndependence roundingModeIndependence;
VkBool32 shaderSignedZeroInfNanPreserveFloat16;
VkBool32 shaderSignedZeroInfNanPreserveFloat32;
VkBool32 shaderSignedZeroInfNanPreserveFloat64;
VkBool32 shaderDenormPreserveFloat16;
VkBool32 shaderDenormPreserveFloat32;
VkBool32 shaderDenormPreserveFloat64;
VkBool32 shaderDenormFlushToZeroFloat16;
VkBool32 shaderDenormFlushToZeroFloat32;
VkBool32 shaderDenormFlushToZeroFloat64;
VkBool32 shaderRoundingModeRTEFloat16;
VkBool32 shaderRoundingModeRTEFloat32;
VkBool32 shaderRoundingModeRTEFloat64;
VkBool32 shaderRoundingModeRTZFloat16;
VkBool32 shaderRoundingModeRTZFloat32;
VkBool32 shaderRoundingModeRTZFloat64;
} VkPhysicalDeviceFloatControlsProperties;
Members
-
sType
is a VkStructureType value identifying this structure. -
pNext
isNULL
or a pointer to a structure extending this structure.
Description
-
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 theSignedZeroInfNanPreserve
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 theSignedZeroInfNanPreserve
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 theSignedZeroInfNanPreserve
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 theDenormPreserve
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 theDenormPreserve
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 theDenormPreserve
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 theDenormFlushToZero
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 theDenormFlushToZero
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 theDenormFlushToZero
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 theRoundingModeRTE
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 theRoundingModeRTE
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 theRoundingModeRTE
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 theRoundingModeRTZ
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 theRoundingModeRTZ
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 theRoundingModeRTZ
execution mode can be used for 64-bit floating-point types.
If the VkPhysicalDeviceFloatControlsProperties
structure is included in the pNext
chain of the
VkPhysicalDeviceProperties2 structure passed to
vkGetPhysicalDeviceProperties2, it is filled in with each
corresponding implementation-dependent property.
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.