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| author | DarrelFW321 <60972474+DarrelFW321@users.noreply.github.com> | 2025-04-03 19:54:02 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-04-03 23:54:02 +0000 |
| commit | df7c66be49822d650f8956662b16db49bae31d09 (patch) | |
| tree | e6da39abb3e1278e7f107f13a31802b850adaafc /source | |
| parent | ac0dc491e1d39dc469b8879dc839b1ac2e76e33d (diff) | |
Add sparse texture Load intrinsic for SPIRV (#6702)
* Implement sparse texture Load intrinsics for SPIRV
* changed test name from TEST_load to TEST_sparse
---------
Co-authored-by: Darren Wihandi <65404740+fairywreath@users.noreply.github.com>
Diffstat (limited to 'source')
| -rw-r--r-- | source/slang/hlsl.meta.slang | 71 |
1 files changed, 69 insertions, 2 deletions
diff --git a/source/slang/hlsl.meta.slang b/source/slang/hlsl.meta.slang index 558ac6301..5f0edb3f9 100644 --- a/source/slang/hlsl.meta.slang +++ b/source/slang/hlsl.meta.slang @@ -3772,12 +3772,47 @@ extension _Texture<T,Shape,isArray,0,sampleCount,0,isShadow,isCombined,format> [__readNone] [ForceInline] - [require(hlsl, texture_sm_4_1_samplerless)] + [require(hlsl_spirv, texture_sm_4_1_samplerless)] T Load(vector<int, Shape.dimensions+isArray+1> location, constexpr vector<int, Shape.planeDimensions> offset, out uint status) { __target_switch { case hlsl: __intrinsic_asm ".Load"; + case spirv: + const int lodLoc = Shape.dimensions+isArray; + let coord = __vectorReshape<Shape.dimensions+isArray>(location); + let lod = location[lodLoc]; + if (isCombined != 0) + { + return spirv_asm + { + OpCapability SparseResidency; + %sparseResultType = OpTypeStruct $$uint __sampledType(T); + %image:__imageType(this) = OpImage $this; + + %sparseResult:%sparseResultType = OpImageSparseFetch %image $coord Lod|ConstOffset $lod $offset; + %residentCode:$$uint = OpCompositeExtract %sparseResult 0; + %sampled:__sampledType(T) = OpCompositeExtract %sparseResult 1; + + OpStore &status %residentCode; + __truncate $$T result __sampledType(T) %sampled; + }; + } + else + { + return spirv_asm + { + OpCapability SparseResidency; + %sparseResultType = OpTypeStruct $$uint __sampledType(T); + + %sparseResult:%sparseResultType = OpImageSparseFetch $this $coord Lod|ConstOffset $lod $offset; + %residentCode:$$uint = OpCompositeExtract %sparseResult 0; + %sampled:__sampledType(T) = OpCompositeExtract %sparseResult 1; + + OpStore &status %residentCode; + __truncate $$T result __sampledType(T) %sampled; + }; + } default: status = 0; return Load(location, offset); @@ -3952,12 +3987,44 @@ extension _Texture<T,Shape,isArray,1,sampleCount,0,isShadow,isCombined,format> [__readNone] [ForceInline] - [require(hlsl, texture_sm_4_1_samplerless)] + [require(hlsl_spirv, texture_sm_4_1_samplerless)] T Load(vector<int, Shape.dimensions+isArray> location, int sampleIndex, constexpr vector<int, Shape.planeDimensions> offset, out uint status) { __target_switch { case hlsl: __intrinsic_asm ".Load"; + case spirv: + if (isCombined != 0) + { + return spirv_asm + { + OpCapability SparseResidency; + %sparseResultType = OpTypeStruct $$uint __sampledType(T); + %image:__imageType(this) = OpImage $this; + + %sparseResult:%sparseResultType = OpImageSparseFetch %image $location ConstOffset|Sample $offset $sampleIndex; + %residentCode:$$uint = OpCompositeExtract %sparseResult 0; + %sampled:__sampledType(T) = OpCompositeExtract %sparseResult 1; + + OpStore &status %residentCode; + __truncate $$T result __sampledType(T) %sampled; + }; + } + else + { + return spirv_asm + { + OpCapability SparseResidency; + %sparseResultType = OpTypeStruct $$uint __sampledType(T); + + %sparseResult:%sparseResultType = OpImageSparseFetch $this $location ConstOffset|Sample $offset $sampleIndex; + %residentCode:$$uint = OpCompositeExtract %sparseResult 0; + %sampled:__sampledType(T) = OpCompositeExtract %sparseResult 1; + + OpStore &status %residentCode; + __truncate $$T result __sampledType(T) %sampled; + }; + } default: status = 0; return Load(location, sampleIndex, offset); |