HLSL: Add option to always treat SSBO as UAV, even with readonly.

This can make codegen more predictable since ByteAddressBuffer is SRV
and not UAV.

1 files changed, 23 insertions, 0 deletions

diff --git a/reference/shaders-hlsl/comp/access-chains.force-uav.comp b/reference/shaders-hlsl/comp/access-chains.force-uav.comp
new file mode 100644
index 00000000..97d046d8
--- /dev/null
+++ b/reference/shaders-hlsl/comp/access-chains.force-uav.comp
@@ -0,0 +1,23 @@
+static const uint3 gl_WorkGroupSize = uint3(1u, 1u, 1u);
+
+RWByteAddressBuffer wo : register(u1);
+RWByteAddressBuffer ro : register(u0);
+
+static uint3 gl_GlobalInvocationID;
+struct SPIRV_Cross_Input
+{
+    uint3 gl_GlobalInvocationID : SV_DispatchThreadID;
+};
+
+void comp_main()
+{
+    wo.Store4(gl_GlobalInvocationID.x * 64 + 272, asuint(asfloat(ro.Load4(gl_GlobalInvocationID.x * 64 + 160))));
+    wo.Store4(gl_GlobalInvocationID.x * 16 + 480, asuint(asfloat(ro.Load4(gl_GlobalInvocationID.x * 16 + 480))));
+}
+
+[numthreads(1, 1, 1)]
+void main(SPIRV_Cross_Input stage_input)
+{
+    gl_GlobalInvocationID = stage_input.gl_GlobalInvocationID;
+    comp_main();
+}