Requires Vulkan 1.0
Jeff Bolz jeffbolznv
This extension adds Vulkan support for the
That SPIR-V extension provides a new instruction
OpDemoteToHelperInvocationEXT allowing shaders to “demote” a fragment
shader invocation to behave like a helper invocation for its duration.
The demoted invocation will have no further side effects and will not output
to the framebuffer, but remains active and can participate in computing
derivatives and in group operations.
This is a better match for the “discard” instruction in HLSL.
For more information, see the Vulkan Specification
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