From 36f9510bb395de948b5e0de822594ba6f30a3564 Mon Sep 17 00:00:00 2001
From: Conor McCarthy <cmccarthy@codeweavers.com>
Date: Tue, 4 Feb 2025 14:49:47 +1000
Subject: [PATCH] tests/hlsl: Add interstage interface 16-bit tests.

---
 .../shader-interstage-interface.shader_test   | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)

diff --git a/tests/hlsl/shader-interstage-interface.shader_test b/tests/hlsl/shader-interstage-interface.shader_test
index ac641c32..cab8ae0d 100644
--- a/tests/hlsl/shader-interstage-interface.shader_test
+++ b/tests/hlsl/shader-interstage-interface.shader_test
@@ -54,3 +54,101 @@ void main(float4 position : SV_Position, float2 t0 : TEXCOORD0,
 [test]
 todo(msl) draw triangle strip 4
 probe (0, 0) rgba (10.0, 8.0, 7.0, 3.0)
+
+[require]
+shader model >= 6.2
+native-16-bit
+
+[input layout]
+0 r32g32-float SV_POSITION
+0 r32g32-float TEXCOORD 0
+1 r32g32-uint TEXCOORD 1
+
+[vb 0]
+-1.0 -1.0 70000.0 5.0
+-1.0  1.0 70000.0 5.0
+ 1.0 -1.0 70000.0 5.0
+ 1.0  1.0 70000.0 5.0
+
+[vb 1]
+format r32-uint
+0x37fff 2
+0x37fff 2
+0x37fff 2
+0x37fff 2
+
+[vertex shader]
+struct vertex
+{
+    float4 position : SV_Position;
+    half2 t0 : TEXCOORD0;
+    uint16_t2 t1 : TEXCOORD1;
+};
+
+void main(in vertex vin, out vertex vout)
+{
+    vout = vin;
+}
+
+[pixel shader]
+uniform half h;
+
+float4 main(float4 position : SV_Position, half2 t0 : TEXCOORD0, uint16_t2 t1 : TEXCOORD1) : SV_Target
+{
+    // Prevent float -> half -> float being optimised out by doing a half-precision operation.
+    return float4(t0 - half2(h, h), t1);
+}
+
+[test]
+uniform 0 uint 0
+draw triangle strip 4
+probe (0, 0) rgba(65504.0, 5.0, 65535.0, 2.0)
+
+[input layout]
+0 r32g32-float SV_POSITION
+1 r32g32-sint TEXCOORD 0
+
+[vb 0]
+-1.0 -1.0
+-1.0  1.0
+ 1.0 -1.0
+ 1.0  1.0
+
+[vb 1]
+format r32-sint
+-70000 -2
+-70000 -2
+-70000 -2
+-70000 -2
+
+[vertex shader]
+struct vertex
+{
+    float4 position : SV_Position;
+    int16_t2 t0 : TEXCOORD0;
+};
+
+void main(in vertex vin, out vertex vout)
+{
+    vout = vin;
+}
+
+[pixel shader]
+int4 main(float4 position : SV_Position, int16_t2 t0 : TEXCOORD0) : SV_Target
+{
+    return int4(t0, 0, 0);
+}
+
+[test]
+draw triangle strip 4
+probe (0, 0) rgbai(-32768, -2, 0, 0)
+
+[pixel shader]
+uint4 main(float4 position : SV_Position, int16_t2 t0 : TEXCOORD0) : SV_Target
+{
+    return uint4(t0, 0, 0);
+}
+
+[test]
+draw triangle strip 4
+probe (0, 0) rgbai(-32768, -2, 0, 0)