Overload on constant storage.
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@ -28,8 +28,15 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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@ -25,8 +25,15 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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@ -19,8 +19,15 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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@ -28,8 +28,15 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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@ -25,8 +25,15 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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@ -19,15 +19,22 @@ struct main0_out
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};
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, typename U, uint N>
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void spvArrayCopy(thread T (&dst)[N], U (&src)[N])
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template<typename T, uint N>
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void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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// An overload for constant arrays.
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template<typename T, uint N>
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void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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void test(thread float4 (&SPIRV_Cross_return_value)[2])
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{
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spvArrayCopy(SPIRV_Cross_return_value, _20);
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spvArrayCopyConstant(SPIRV_Cross_return_value, _20);
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}
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void test2(thread float4 (&SPIRV_Cross_return_value)[2], thread float4& vInput0, thread float4& vInput1)
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@ -915,8 +915,16 @@ void CompilerMSL::emit_custom_functions()
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case SPVFuncImplArrayCopy:
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statement("// Implementation of an array copy function to cover GLSL's ability to copy an array via "
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"assignment.");
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statement("template<typename T, typename U, uint N>");
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statement("void spvArrayCopy(thread T (&dst)[N], U (&src)[N])");
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statement("template<typename T, uint N>");
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statement("void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])");
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begin_scope();
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statement("for (uint i = 0; i < N; dst[i] = src[i], i++);");
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end_scope();
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statement("");
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statement("// An overload for constant arrays.");
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statement("template<typename T, uint N>");
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statement("void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])");
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begin_scope();
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statement("for (uint i = 0; i < N; dst[i] = src[i], i++);");
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end_scope();
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@ -1777,7 +1785,10 @@ bool CompilerMSL::maybe_emit_input_struct_assignment(uint32_t id_lhs, uint32_t i
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void CompilerMSL::emit_array_copy(const string &lhs, uint32_t rhs_id)
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{
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// Assignment from an array initializer is fine.
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statement("spvArrayCopy(", lhs, ", ", to_expression(rhs_id), ");");
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if (ids[rhs_id].get_type() == TypeConstant)
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statement("spvArrayCopyConstant(", lhs, ", ", to_expression(rhs_id), ");");
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else
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statement("spvArrayCopy(", lhs, ", ", to_expression(rhs_id), ");");
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}
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// Since MSL does not allow arrays to be copied via simple variable assignment,
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