Nikolay Sivov : tests: Add a simple test for "discard".

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 4fe4784e8ade50549ebf496639c47987b09c30b7
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/4fe4784e8ade50549ebf496639c479...

Author: Nikolay Sivov 
Date:   Thu Apr 20 22:29:26 2023 -0400

tests: Add a simple test for "discard".

Signed-off-by: Ethan Lee 
Signed-off-by: Nikolay Sivov

---

Makefile.am                    |  1 +
 tests/hlsl-discard.shader_test | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 549354b4..3f1ec171 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -76,6 +76,7 @@ vkd3d_shader_tests = \
    tests/hlsl-clamp.shader_test \
    tests/hlsl-comma.shader_test \
    tests/hlsl-cross.shader_test \
+	tests/hlsl-discard.shader_test \
    tests/hlsl-dot.shader_test \
    tests/hlsl-duplicate-modifiers.shader_test \
    tests/hlsl-for.shader_test \
diff --git a/tests/hlsl-discard.shader_test b/tests/hlsl-discard.shader_test
new file mode 100644
index 00000000..f543f877
--- /dev/null
+++ b/tests/hlsl-discard.shader_test
@@ -0,0 +1,16 @@
+[pixel shader]
+uniform float4 x;
+
+float4 main() : sv_target
+{
+    if (x.x == 9.0f) discard;
+    return x;
+}
+
+[test]
+uniform 0 float4 1 2 3 4
+draw quad
+probe all rgba (1, 2, 3, 4)
+uniform 0 float4 9 8 7 6
+draw quad
+probe all rgba (1, 2, 3, 4)