FragInvocationCountEXT(3)

Name

FragInvocationCountEXT - Number of fragment shader invocations for a fragment

FragInvocationCountEXT: Decorating a variable with the FragInvocationCountEXT built-in decoration will make that variable contain the maximum number of fragment shader invocations for the fragment, as determined by minSampleShading.

If Sample Shading is not enabled, FragInvocationCountEXT will be filled with a value of 1.

Valid Usage

VUID-FragInvocationCountEXT-FragInvocationCountEXT-04217
The FragInvocationCountEXT decoration must be used only within the Fragment Execution Model
VUID-FragInvocationCountEXT-FragInvocationCountEXT-04218
The variable decorated with FragInvocationCountEXT must be declared using the Input Storage Class
VUID-FragInvocationCountEXT-FragInvocationCountEXT-04219
The variable decorated with FragInvocationCountEXT must be declared as a scalar 32-bit integer value

For more information, see the Vulkan Specification (NOTE: cannot determine Specification page containing this refpage).

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