org.lwjgl.vulkan

Class NVComputeShaderDerivatives

java.lang.Object

org.lwjgl.vulkan.NVComputeShaderDerivatives

public final class NVComputeShaderDerivatives
extends java.lang.Object

This extension adds Vulkan support for the SPV_NV_compute_shader_derivatives SPIR-V extension.

The SPIR-V extension provides two new execution modes, both of which allow compute shaders to use built-ins that evaluate compute derivatives explicitly or implicitly. Derivatives will be computed via differencing over a 2x2 group of shader invocations. The DerivativeGroupQuadsNV execution mode assembles shader invocations into 2x2 groups, where each group has x and y coordinates of the local invocation ID of the form (2m+{0,1}, 2n+{0,1}). The DerivativeGroupLinearNV execution mode assembles shader invocations into 2x2 groups, where each group has local invocation index values of the form 4m+{0,1,2,3}.

Examples

None.

Name String

VK_NV_compute_shader_derivatives

Extension Type

Device extension

Registered Extension Number

202

Revision

1

Extension and Version Dependencies

• Requires Vulkan 1.0
• Requires VK_KHR_get_physical_device_properties2

Contact

• Pat Brown nvpbrown

Last Modified Date

2018-07-19

IP Status

No known IP claims.

Contributors

• Pat Brown, NVIDIA

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	VK_NV_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME The extension name.
static int	VK_NV_COMPUTE_SHADER_DERIVATIVES_SPEC_VERSION The extension specification version.
static int	VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COMPUTE_SHADER_DERIVATIVES_FEATURES_NV Extends VkStructureType.

Method Summary

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VK_NV_COMPUTE_SHADER_DERIVATIVES_SPEC_VERSION

public static final int VK_NV_COMPUTE_SHADER_DERIVATIVES_SPEC_VERSION

The extension specification version.

See Also:

Constant Field Values

VK_NV_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME

public static final java.lang.String VK_NV_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME

The extension name.

See Also:

Constant Field Values

VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COMPUTE_SHADER_DERIVATIVES_FEATURES_NV

public static final int VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COMPUTE_SHADER_DERIVATIVES_FEATURES_NV

Extends VkStructureType.

See Also:

Constant Field Values