From 8106c5a199e9f185ed99de675216ef0da6ad8805 Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gmascellani@codeweavers.com>
Date: Tue, 20 May 2025 18:28:16 +0200
Subject: [PATCH] tests/hlsl: Test the interstage interface for minimum
 precision types.

---
 .../shader-interstage-interface.shader_test   | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)

diff --git a/tests/hlsl/shader-interstage-interface.shader_test b/tests/hlsl/shader-interstage-interface.shader_test
index 8ece6b73e..808fc83ae 100644
--- a/tests/hlsl/shader-interstage-interface.shader_test
+++ b/tests/hlsl/shader-interstage-interface.shader_test
@@ -104,6 +104,111 @@ clear rtv 0 1.0 1.0 1.0 1.0
 todo(msl) draw triangle strip 4
 probe (0, 0) rgba(0.0, 1.0, 0.0, 1.0)
 
+[require]
+shader model >= 4.0
+
+[input layout]
+0 r32g32-float SV_POSITION
+0 r32g32-float TEXCOORD 0
+1 r32g32-uint TEXCOORD 1
+
+[vb 0]
+-1.0 -1.0 700.0 5.0
+-1.0  1.0 700.0 5.0
+ 1.0 -1.0 700.0 5.0
+ 1.0  1.0 700.0 5.0
+
+[vb 1]
+format r32-uint
+0x7fff 2
+0x7fff 2
+0x7fff 2
+0x7fff 2
+
+[vertex shader]
+struct vertex
+{
+    float4 position : SV_Position;
+    min16float2 t0 : TEXCOORD0;
+    min16uint2 t1 : TEXCOORD1;
+};
+
+void main(in vertex vin, out vertex vout)
+{
+    vout = vin;
+}
+
+[pixel shader]
+uniform min16float h;
+
+float4 main(float4 position : SV_Position, min16float2 t0 : TEXCOORD0, min16uint2 t1 : TEXCOORD1) : SV_Target
+{
+    // Prevent float -> half -> float being optimised out by doing a half-precision operation.
+    return float4(t0 - min16float2(h, h), t1);
+}
+
+[test]
+uniform 0 uint 0
+todo(glsl | msl) draw triangle strip 4
+probe (0, 0) rgba(700.0, 5.0, 32767.0, 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
+-7000 -2
+-7000 -2
+-7000 -2
+-7000 -2
+
+[vertex shader]
+struct vertex
+{
+    float4 position : SV_Position;
+    min16int2 t0 : TEXCOORD0;
+};
+
+void main(in vertex vin, out vertex vout)
+{
+    vout = vin;
+}
+
+[pixel shader]
+int4 main(float4 position : SV_Position, min16int2 t0 : TEXCOORD0) : SV_Target
+{
+    return int4(t0, 0, 0);
+}
+
+[rtv 0]
+format r32g32b32a32-sint
+size (2d, 640, 480)
+
+[test]
+todo(msl) draw triangle strip 4
+todo(opengl) probe (0, 0) rgbai(-7000, -2, 0, 0)
+
+[pixel shader]
+uint4 main(float4 position : SV_Position, min16int2 t0 : TEXCOORD0) : SV_Target
+{
+    return uint4(t0, 0, 0);
+}
+
+[rtv 0]
+format r32g32b32a32-uint
+size (2d, 640, 480)
+
+[test]
+todo(msl) draw triangle strip 4
+probe (0, 0) rgbai(-7000, -2, 0, 0)
+
 [require]
 shader model >= 6.2
 native-16-bit