Avoiding the use of the global AST builder in DeclRefType::create (#4866)

2 files changed, 53 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;
+}
diff --git a/tests/modules/hit.slang b/tests/modules/hit.slang
new file mode 100644
index 000000000..d175275b4
--- /dev/null
+++ b/tests/modules/hit.slang
@@ -0,0 +1,24 @@
+//TEST:COMPILE: tests/modules/environment.slang -o tests/modules/environment.slang-module
+//TEST:COMPILE: tests/modules/hit.slang -stage closesthit -entry closesthit -target dxil -o monolithic.dxil
+
+import environment;
+
+StructuredBuffer <Environment_sample_data> environment_sample_buffer;
+
+float3 sample_lights(inout uint seed)
+{
+    return environment_sample(environment_sample_buffer, seed);
+}
+
+struct RadianceHitInfo
+{
+    float3 contribution;
+};
+
+struct Attributes
+{
+    float2 bary;
+};
+
+[shader("closesthit")]
+void closesthit(inout RadianceHitInfo payload, Attributes attrib) {}