Giovanni Mascellani : tests: Test float operations with uniform inputs.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: c644244bcd410d94c322f79e23173ee7f7b79ab9
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/c644244bcd410d94c322f79e23173e...

Author: Giovanni Mascellani 
Date:   Fri Oct 14 15:45:04 2022 +0200

tests: Test float operations with uniform inputs.

The point of the "uniform" variants is to avoid hiding code generation
bugs because of the constant folding optimization.

---

Makefile.am                                |  1 +
 tests/arithmetic-float-uniform.shader_test | 78 ++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index b9068728..5a5a01c4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -53,6 +53,7 @@ vkd3d_cross_tests = \
 vkd3d_shader_tests = \
    tests/abs.shader_test \
    tests/arithmetic-float.shader_test \
+	tests/arithmetic-float-uniform.shader_test \
    tests/arithmetic-int.shader_test \
    tests/arithmetic-int-uniform.shader_test \
    tests/arithmetic-uint.shader_test \
diff --git a/tests/arithmetic-float-uniform.shader_test b/tests/arithmetic-float-uniform.shader_test
new file mode 100644
index 00000000..708dc270
--- /dev/null
+++ b/tests/arithmetic-float-uniform.shader_test
@@ -0,0 +1,78 @@
+[pixel shader]
+uniform float2 a;
+
+float4 main() : SV_TARGET
+{
+    float x = a.x;
+    float y = a.y;
+    return float4(x + y, x - y, x * y, x / y);
+}
+
+[test]
+uniform 0 float4 5.0 15.0 0.0 0.0
+draw quad
+probe all rgba (20.0, -10.0, 75.0, 0.33333333) 1
+
+[pixel shader]
+uniform float2 a;
+
+float4 main() : SV_TARGET
+{
+    float x = a.x;
+    float y = a.y;
+    return float4(x % y, +x, -x, y / x);
+}
+
+[test]
+uniform 0 float4 5.0 15.0 0.0 0.0
+draw quad
+probe all rgba (5.0, 5.0, -5.0, 3.0) 1
+
+[pixel shader]
+uniform float2 a;
+
+float4 main() : SV_TARGET
+{
+    float x = a.x;
+    float y = a.y;
+    return float4(x % y, -x % y, x % -y, -x % -y);
+}
+
+[test]
+uniform 0 float4 42.0 5.0 0.0 0.0
+draw quad
+probe all rgba (2.0, -2.0, 2.0, -2.0) 16
+
+[pixel shader]
+uniform float2 a;
+
+float4 main() : SV_TARGET
+{
+    float x = a.x;
+    float y = a.y;
+    return float4(x % y, -x % y, x % -y, -x % -y);
+}
+
+[test]
+uniform 0 float4 45.0 5.0 0.0 0.0
+draw quad
+probe all rgba (0.0, 0.0, 0.0, 0.0)
+
+[require]
+% Infinities are not allowed in SM1
+shader model >= 4.0
+
+[pixel shader]
+uniform float2 a;
+
+float4 main() : SV_TARGET
+{
+    float x = a.x;
+    float y = a.y;
+    return x / y;
+}
+
+[test]
+uniform 0 float4 1.0 0.0 0.0 0.0
+draw quad
+probe all rgba (1e99, 1e99, 1e99, 1e99)