Description

BaryCoordPullModelAMD

The BaryCoordPullModelAMD decoration can be used to decorate a fragment shader input variable. This variable will contain (1/W, 1/I, 1/J) evaluated at the fragment center and can be used to calculate gradients and then interpolate I, J, and W at any desired sample location.

Valid Usage

  • VUID-BaryCoordPullModelAMD-BaryCoordPullModelAMD-04169
    The BaryCoordPullModelAMD decoration must be used only within the Fragment Execution Model

  • VUID-BaryCoordPullModelAMD-BaryCoordPullModelAMD-04170
    The variable decorated with BaryCoordPullModelAMD must be declared using the Input Storage Class

  • VUID-BaryCoordPullModelAMD-BaryCoordPullModelAMD-04171
    The variable decorated with BaryCoordPullModelAMD must be declared as a three-component vector of 32-bit floating-point values

See Also

No cross-references are available

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 2014-2023 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0