Giovanni Mascellani : tests: Add a test with non-trivial control flow.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 6cb7487fb02e92a205acde2805361cb93e10bc77
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/6cb7487fb02e92a205acde2805361c...

Author: Giovanni Mascellani 
Date:   Mon Jan 15 12:08:56 2024 +0100

tests: Add a test with non-trivial control flow.

---

tests/hlsl/for.shader_test | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tests/hlsl/for.shader_test b/tests/hlsl/for.shader_test
index 9407c81b..7abd2067 100644
--- a/tests/hlsl/for.shader_test
+++ b/tests/hlsl/for.shader_test
@@ -28,6 +28,40 @@ probe (  0, 0, 159, 480) rgba (10.0, 35.0, 0.0, 0.0)
 probe (161, 0, 479, 480) rgba (10.0, 38.0, 0.0, 0.0)
 probe (481, 0, 640, 480) rgba ( 5.0, 10.0, 0.0, 0.0)

+[require]
+shader model >= 4.0
+
+% Identical to the previous, except we prevent DXC from unrolling the
+% loop so we can test non-trivial control flow
+[pixel shader]
+uniform uint iter;
+
+float4 main(float tex : texcoord) : sv_target
+{
+    int i;
+    float x = 0.0;
+    for (i = 0; i < iter; i++)
+    {
+        x += i;
+        if (tex > 0.5 && i == 5)
+            break;
+        if (tex > -0.5 && i >= 7)
+            continue;
+        x -= 1;
+    }
+    return float4(i, x, 0.0, 0.0);
+}
+
+[test]
+uniform 0 uint4 10 0 0 0
+todo(sm>=6) draw quad
+probe (  0, 0, 159, 480) rgba (10.0, 35.0, 0.0, 0.0)
+probe (161, 0, 479, 480) rgba (10.0, 38.0, 0.0, 0.0)
+probe (481, 0, 640, 480) rgba ( 5.0, 10.0, 0.0, 0.0)
+
+[require]
+% Reset requirements
+
 [pixel shader]
 float4 main(float tex : texcoord) : sv_target
 {