Fix missing check for purity on ray tracing builtins

1 files changed, 18 insertions, 0 deletions

diff --git a/shaders/vulkan/rgen/pure_call.vk.rgen b/shaders/vulkan/rgen/pure_call.vk.rgen
new file mode 100644
index 00000000..3e362ed0
--- /dev/null
+++ b/shaders/vulkan/rgen/pure_call.vk.rgen
@@ -0,0 +1,18 @@
+#version 460
+#extension GL_NV_ray_tracing : require
+
+layout(set = 0, binding = 1) uniform accelerationStructureNV as;
+layout(location = 0) rayPayloadNV float payload;
+
+float pure_call(vec2 launchID, vec2 launchSize)
+{
+    vec3 origin = vec3(launchID.x / launchSize.x, launchID.y / launchSize.y, 1.0);
+    vec3 direction = vec3(0.0, 0.0, -1.0);
+    traceNV(as, 0u, 255u, 0u, 1u, 0u, origin, 0.0, direction, 1000.0, 0);
+    return 0.0;
+}
+
+void main()
+{
+    pure_call(vec2(gl_LaunchIDNV.xy), vec2(gl_LaunchSizeNV.xy));
+}