Attempt to deduce constant/thread storage.

reference/opt/shaders-msl/frag/constant-array.frag

@@ -28,8 +28,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

reference/opt/shaders-msl/frag/constant-composites.frag

@@ -25,8 +25,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

reference/shaders-msl/asm/frag/op-constant-null.asm.frag

@@ -19,8 +19,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

reference/shaders-msl/frag/constant-array.frag

@@ -28,8 +28,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

reference/shaders-msl/frag/constant-composites.frag

@@ -25,8 +25,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

reference/shaders-msl/vert/return-array.vert

@@ -19,8 +19,8 @@ struct main0_out
 };
 
 // Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
-template<typename T, uint N>
-void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
+template<typename T, typename U, uint N>
+void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
 {
     for (uint i = 0; i < N; dst[i] = src[i], i++);
 }

spirv_msl.cpp

@@ -915,8 +915,8 @@ void CompilerMSL::emit_custom_functions()
 		case SPVFuncImplArrayCopy:
 			statement("// Implementation of an array copy function to cover GLSL's ability to copy an array via "
 			          "assignment.");
-			statement("template<typename T, uint N>");
-			statement("void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])");
+			statement("template<typename T, typename U, uint N>");
+			statement("void spvArrayCopy(thread T (&dst)[N], U (&src)[N])");
 			begin_scope();
 			statement("for (uint i = 0; i < N; dst[i] = src[i], i++);");
 			end_scope();