From b9545f7422deb526219136755c60ce55e559ec98 Mon Sep 17 00:00:00 2001
From: Shaun Ren <sren@codeweavers.com>
Date: Thu, 14 Aug 2025 19:29:46 -0400
Subject: [PATCH] tests/hlsl: Add sample bias tests for cube textures.

---
 tests/hlsl/sample-bias.shader_test | 74 ++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/tests/hlsl/sample-bias.shader_test b/tests/hlsl/sample-bias.shader_test
index a56190d25..737d1098a 100644
--- a/tests/hlsl/sample-bias.shader_test
+++ b/tests/hlsl/sample-bias.shader_test
@@ -70,3 +70,77 @@ probe (0,0) rgba(4.0, 0.0, 10.0, 0.0)
 uniform 0 float4 8.5 0.0 0.0 0.0
 draw quad
 probe (0,0) rgba(0.0, 0.0, 10.0, 0.0)
+
+[require]
+% Reset requirements
+
+[srv 0]
+size (cube, 2)
+levels 2
+
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0     1.0 0.0 1.0 0.0
+
+0.0 0.0 1.0 0.0
+0.0 0.0 1.0 0.0
+0.0 0.0 1.0 0.0
+0.0 0.0 1.0 0.0
+0.0 0.0 1.0 0.0
+0.0 0.0 1.0 0.0
+
+[pixel shader]
+sampler s;
+TextureCube t;
+uniform float bias;
+
+float4 main(float2 coord : texcoord) : sv_target
+{
+    /* Choice of initial mipmap level is hardware-dependent, and in practice
+     * varies too much to be reasonably covered by ULPS. Quantize instead. */
+    return floor(t.SampleBias(s, float3(coord, 1), bias) * 5) * 2;
+}
+
+[test]
+uniform 0 float 7.9
+draw quad
+probe (0, 0) f32(10.0, 0.0, 10.0, 0.0)
+
+uniform 0 float 8.4
+draw quad
+probe (0, 0) f32(4.0, 0.0, 10.0, 0.0)
+
+uniform 0 float 8.9
+draw quad
+probe (0, 0) f32(0.0, 0.0, 10.0, 0.0)
+
+[require]
+shader model >= 3.0
+options: backcompat
+
+[pixel shader fail(sm>=5.1) todo(sm<5.1)]
+sampler s;
+float bias;
+
+float4 main(float2 coord : texcoord) : sv_target
+{
+    /* Choice of initial mipmap level is hardware-dependent, and in practice
+     * varies too much to be reasonably covered by ULPS. Quantize instead. */
+    return floor(texCUBEbias(s, float4(coord, 1, bias)) * 5) * 2;
+}
+
+[test]
+uniform 0 float 7.9
+todo draw quad
+probe (0, 0) f32(10.0, 0.0, 10.0, 0.0)
+
+uniform 0 float 8.4
+todo draw quad
+probe (0, 0) f32(4.0, 0.0, 10.0, 0.0)
+
+uniform 0 float 8.9
+todo draw quad
+probe (0, 0) f32(0.0, 0.0, 10.0, 0.0)