Conor McCarthy : tests/hlsl: Add a test for constexpr pointer cast.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 2fc32c3d1da8c0794d5f6309f324e3238e05f9c4
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/2fc32c3d1da8c0794d5f6309f324e3...

Author: Conor McCarthy <cmccarthy(a)codeweavers.com>
Date:   Sat Apr 27 20:35:07 2024 +1000

tests/hlsl: Add a test for constexpr pointer cast.

---

 Makefile.am                         |  1 +
 tests/hlsl/pointer-cast.shader_test | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 50a5e8b3..5820a8b1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -163,6 +163,7 @@ vkd3d_shader_tests = \
 	tests/hlsl/object-field-offsets.shader_test \
 	tests/hlsl/object-parameters.shader_test \
 	tests/hlsl/object-references.shader_test \
+	tests/hlsl/pointer-cast.shader_test \
 	tests/hlsl/pow.shader_test \
 	tests/hlsl/precise-modifier.shader_test \
 	tests/hlsl/rasteriser-ordered-views.shader_test \
diff --git a/tests/hlsl/pointer-cast.shader_test b/tests/hlsl/pointer-cast.shader_test
new file mode 100644
index 00000000..7cbcfc8f
--- /dev/null
+++ b/tests/hlsl/pointer-cast.shader_test
@@ -0,0 +1,23 @@
+[require]
+shader model >= 6.0
+
+[pixel shader]
+uint u, v, w;
+
+static float foo[3] = {0.25, 0.5, 0.75};
+
+float4 main(float4 pos : SV_Position) : SV_Target
+{
+    // Compiles to a constexpr uint pointer cast of foo for a store instruction.
+    if (v)
+        foo[1] = asfloat(w);
+    return float4(foo[u], foo[u + 1], 0.0, 1.0);
+}
+
+[test]
+uniform 0 uint4 0 1 0x3e000000 0
+todo draw quad
+probe all rgba (0.25, 0.125, 0.0, 1.0)
+uniform 0 uint4 1 0 0x3e000000 0
+todo draw quad
+probe all rgba (0.5, 0.75, 0.0, 1.0)