From df7c66be49822d650f8956662b16db49bae31d09 Mon Sep 17 00:00:00 2001
From: DarrelFW321 <60972474+DarrelFW321@users.noreply.github.com>
Date: Thu, 3 Apr 2025 19:54:02 -0400
Subject: 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>
---
 .../partial-resident-texture-combined.slang        | 23 ++++++++++++++++++++++
 .../texture/partial-resident-texture.slang         |  4 ++--
 2 files changed, 25 insertions(+), 2 deletions(-)

(limited to 'tests')

diff --git a/tests/hlsl-intrinsic/texture/partial-resident-texture-combined.slang b/tests/hlsl-intrinsic/texture/partial-resident-texture-combined.slang
index 21b16eba8..3deddb504 100644
--- a/tests/hlsl-intrinsic/texture/partial-resident-texture-combined.slang
+++ b/tests/hlsl-intrinsic/texture/partial-resident-texture-combined.slang
@@ -37,6 +37,9 @@ Sampler1DArray<float4> st1DArray_f32v4;
 //TEST_INPUT: TextureSampler2D(size=4, content = one, arrayLength=2):name st2DArray_f32v4
 Sampler2DArray<float4> st2DArray_f32v4;
 
+//TEST_INPUT: TextureSampler2D(size=4, content = one):name st2DMS_f32v4
+ Sampler2DMS<float4> st2DMS_f32v4;
+
 //
 // Combined depth texture samplers.
 //
@@ -177,6 +180,25 @@ bool TEST_sampler<T>(
         ;
 }
 
+bool TEST_sparse<T>(
+     Sampler2D<T> s2D,
+     Sampler2DMS<T> s2DMS)
+     where T : ITexelElement, IArithmetic
+ {
+     typealias TN = T;
+     constexpr const int2 offset = int2(0, 0);
+     uint status;
+ 
+     int sampleIndex = 0;
+     int2 iuv = int2(1, 1);
+     int3 iuvs = int3(iuv, sampleIndex);
+ 
+     return true
+         && (status = getNotMapped(), all(TN(T(1)) == s2D.Load(iuvs, offset, status))) && CheckAccessFullyMapped(status)
+         && (status = getNotMapped(), all(TN(T(1)) == s2DMS.Load(iuv, sampleIndex, offset, status))) && CheckAccessFullyMapped(status)
+         ;
+ }
+
 [numthreads(4, 1, 1)]
 void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
 {
@@ -198,6 +220,7 @@ void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
             st2DArray_f32v4,
             )
         && TEST_combinedDepth()
+        && TEST_sparse(st2D_f32v4, st2DMS_f32v4)
         ;
 
     //CHK:1
diff --git a/tests/hlsl-intrinsic/texture/partial-resident-texture.slang b/tests/hlsl-intrinsic/texture/partial-resident-texture.slang
index ee2c21225..edf67ddc1 100644
--- a/tests/hlsl-intrinsic/texture/partial-resident-texture.slang
+++ b/tests/hlsl-intrinsic/texture/partial-resident-texture.slang
@@ -235,10 +235,10 @@ bool TEST_load<T>(
     int3 iuvs = int3(iuv, sampleIndex);
 
     return true
-        // Currently not supported by Slang on VK.
-#if !defined(VK)
         && (status = getNotMapped(), all(TN(T(1)) == t2DMS.Load(iuv, sampleIndex, offset, status))) && CheckAccessFullyMapped(status)
         && (status = getNotMapped(), all(TN(T(1)) == t2D.Load(iuvs, offset, status))) && CheckAccessFullyMapped(status)
+            // SPIRV does not support sparse buffer loads.
+#if !defined(VK)
         && (status = getNotMapped(), 2 == outputBuffer.Load(0, status)) && CheckAccessFullyMapped(status)
         && (status = getNotMapped(), 1 == iBuf.Load(0, status)) && CheckAccessFullyMapped(status)
         && (status = getNotMapped(), all(int2(1) == iBuf.Load2(0, status))) && CheckAccessFullyMapped(status)
-- 
cgit v1.2.3