1 files changed, 29 insertions, 0 deletions
diff --git a/tests/modules/environment.slang b/tests/modules/environment.slang
new file mode 100644
index 000000000..915e04c54
--- /dev/null
+++ b/tests/modules/environment.slang
@@ -0,0 +1,29 @@
+module environment;
+
+uint lcg(inout uint prev)
+{
+    const uint LCG_A = 1664525u;
+    const uint LCG_C = 1013904223u;
+    prev = (LCG_A * prev + LCG_C);
+    return prev & 0x00FFFFFF;
+}
+
+public float rnd(inout uint prev)
+{
+    return ((float) lcg(prev) / (float) 0x01000000);
+}
+
+public struct Environment_sample_data
+{
+    uint alias;
+    float q;
+};
+
+public float3 environment_sample(StructuredBuffer <Environment_sample_data> sample_buffer, inout int seed)
+{
+    float3 xi;
+    xi.x = rnd(seed);
+    xi.y = rnd(seed);
+    xi.z = rnd(seed);
+    return xi.z;
+}