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Related to
- https://github.com/shader-slang/slang/issues/8519
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extension (#6641)
* Output SPV_KHR_compute_shader_derivatives instead of the NV extension
* add alias for nv extension
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* Refactor _Texture to constrain on texel types.
* Fix tests.
* Fix.
* Disable glsl texture test because rhi can't run it correctly.
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* Update spirv-headers and spirv-tools versions
* Fix compute-derivative regressions with upgraded spirv headers
Extension was promoted from NV to KHR while retaining same enums.
Fixes #5106
* Prevent DCE on ray trace position fetch
Adds dummy usage to the intersection positions fetched
from HitTriangleVertexPositions to prevent DCE from
removing their usage.
Fixes #5105
* Update spirv-tools-generated
* More DerivativeGroup*KHR test fixes
Add fixes for a missing test intrinsic-derivative-function-in-compute.slang
Use the {{NV|KHR}} syntax to tolerate either enum.
Fixes #5106
* Squash tabs in closesthit test
* HACK test CI
* Avoid multiple IncomingRayPayloadKHR storage params
* Revert "HACK test CI"
This reverts commit c2556ea2baef0bd48e4c86f90cf17dfab80015c1.
* Avoid multiple IncomingRayPayloadKHR storage params in anyhit
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per shader program. (#4189)
* Emit only 1 execution mode of type per entry point
Added a dictionary<SpvWord,Hash<ExecutionMode>> to ensure we don't emit multiple.
* get inst->id directly
* address review + fix test
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Support derivative functions in compute & capabilities adjustments
fixes #4000
PR implements derivative functions in compute shaders properly so we have the functionality for SPIR-V & GLSL. Tests reflect fragment and compute paths.
PR also adjusts capabilities to correct wrong SPRI-V target capabilities for when using textures.
Remarks:
1. __requireComputeDerivative(); is a intrinsic_op and not modifier since inlining will destroy the modifier.
2. Derivative mode is tied to an entry point decoration `[DerivativeGroupQuad]`/`[DerivativeGroupLinear]` or GLSL syntax ``derivative_group_linearNV`. Default is to set the mode to `[DerivativeGroupQuad]`
* remove -emit-spirv-directly
* fixes
1. fix minor issue fwidth change where I returned the wrong type
2. fix issue where glslang{glsl->spirv} is wrong, so we don't run that test and just run the glsl test & direct spir-v test for intrinsic-texture.slang
* adjust as per review and refine code
1. add test to ensure multi-diverging-in-logic entry points work -- 2 functions which may cause computeDerivatives + 1 that uses, 1 that does not.
2. naming
3. use entry point ref graph for c-like-targets
4. reordered some code to util's and removed `static linline` since that was just for ease of coding on my end (should not have been pushed).
* Grammer
* split up source file + issolate GLSL emit path change.
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Co-authored-by: Yong He <yonghe@outlook.com>
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