Bug fix - vk::binding on structured buffers (#720)

* Fix output of binding of structured buffer on GLSL.

* Added test to check vk binding is coming thru.

* Fix closethit binding inconsistency.

3 files changed, 45 insertions, 2 deletions

diff --git a/tests/bugs/vk-structured-buffer-binding.hlsl b/tests/bugs/vk-structured-buffer-binding.hlsl
new file mode 100644
index 000000000..cdfeb19ab
--- /dev/null
+++ b/tests/bugs/vk-structured-buffer-binding.hlsl
@@ -0,0 +1,12 @@
+//TEST:SIMPLE: -profile ps_4_0 -entry main -target glsl
+///////TEST:REFLECTION:-profile ps_4_0 -target spirv
+
+[[vk::binding(3, 4)]]
+RWStructuredBuffer<uint> gDoneGroups : register(u3);
+
+float4 main(
+    float3 uv : UV)
+    : SV_Target
+{
+    return gDoneGroups[int(uv.z)]; 
+}
\ No newline at end of file
diff --git a/tests/bugs/vk-structured-buffer-binding.hlsl.expected b/tests/bugs/vk-structured-buffer-binding.hlsl.expected
new file mode 100644
index 000000000..fc1cb93ea
--- /dev/null
+++ b/tests/bugs/vk-structured-buffer-binding.hlsl.expected
@@ -0,0 +1,31 @@
+result code = 0
+standard error = {
+}
+standard output = {
+#version 450
+layout(row_major) uniform;
+layout(row_major) buffer;
+
+#line 5 0
+layout(std430, binding = 3, set = 4) buffer _S1 {
+    uint gDoneGroups_0[];
+};
+
+#line 7
+layout(location = 0)
+out vec4 _S2;
+
+
+#line 7
+layout(location = 0)
+in vec3 _S3;
+
+
+#line 7
+void main()
+{
+    _S2 = vec4(gDoneGroups_0[uint(int(_S3.z))]);
+    return;
+}
+
+}
diff --git a/tests/vkray/closesthit.slang.glsl b/tests/vkray/closesthit.slang.glsl
index d4b9e7a6a..ef969ee1c 100644
--- a/tests/vkray/closesthit.slang.glsl
+++ b/tests/vkray/closesthit.slang.glsl
@@ -2,11 +2,11 @@
 #version 460
 #extension GL_NV_ray_tracing : require
 
-layout(std430) buffer _S1
+layout(std430, binding = 0) buffer _S1
 {
     vec4 colors_0[];
 };
-
+ 
 struct BuiltInTriangleIntersectionAttributes_0
 {
     vec2 barycentrics_0;