1 files changed, 70 insertions, 0 deletions
diff --git a/reference/shaders-msl/tese/read-tess-level-in-func.raw-tess-in.msl2.tese b/reference/shaders-msl/tese/read-tess-level-in-func.raw-tess-in.msl2.tese
new file mode 100644
index 00000000..5be7c401
--- /dev/null
+++ b/reference/shaders-msl/tese/read-tess-level-in-func.raw-tess-in.msl2.tese
@@ -0,0 +1,70 @@
+#pragma clang diagnostic ignored "-Wmissing-prototypes"
+#pragma clang diagnostic ignored "-Wmissing-braces"
+
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using namespace metal;
+
+template<typename T, size_t Num>
+struct spvUnsafeArray
+{
+    T elements[Num ? Num : 1];
+    
+    thread T& operator [] (size_t pos) thread
+    {
+        return elements[pos];
+    }
+    constexpr const thread T& operator [] (size_t pos) const thread
+    {
+        return elements[pos];
+    }
+    
+    device T& operator [] (size_t pos) device
+    {
+        return elements[pos];
+    }
+    constexpr const device T& operator [] (size_t pos) const device
+    {
+        return elements[pos];
+    }
+    
+    constexpr const constant T& operator [] (size_t pos) const constant
+    {
+        return elements[pos];
+    }
+    
+    threadgroup T& operator [] (size_t pos) threadgroup
+    {
+        return elements[pos];
+    }
+    constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
+    {
+        return elements[pos];
+    }
+};
+
+struct main0_out
+{
+    float4 gl_Position [[position]];
+};
+
+static inline __attribute__((always_inline))
+float4 read_tess_levels(thread spvUnsafeArray<float, 4>& gl_TessLevelOuter, thread spvUnsafeArray<float, 2>& gl_TessLevelInner)
+{
+    return float4(gl_TessLevelOuter[0], gl_TessLevelOuter[1], gl_TessLevelOuter[2], gl_TessLevelOuter[3]) + float2(gl_TessLevelInner[0], gl_TessLevelInner[1]).xyxy;
+}
+
+[[ patch(triangle, 0) ]] vertex main0_out main0(uint gl_PrimitiveID [[patch_id]], const device MTLTriangleTessellationFactorsHalf* spvTessLevel [[buffer(26)]])
+{
+    main0_out out = {};
+    spvUnsafeArray<float, 4> gl_TessLevelOuter = {};
+    spvUnsafeArray<float, 2> gl_TessLevelInner = {};
+    gl_TessLevelOuter[0] = spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[0];
+    gl_TessLevelOuter[1] = spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[1];
+    gl_TessLevelOuter[2] = spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[2];
+    gl_TessLevelInner[0] = spvTessLevel[gl_PrimitiveID].insideTessellationFactor;
+    out.gl_Position = read_tess_levels(gl_TessLevelOuter, gl_TessLevelInner);
+    return out;
+}
+