blob: 7386fa41bf66d619d1c27b92bc9e0e1b33cde7d3 [file] [log] [blame]
{{- /*
--------------------------------------------------------------------------------
Template file for use with tools/src/cmd/gen to generate ctor_conv_intrinsic.h
To update the generated file, run:
./tools/run gen
See:
* tools/src/cmd/gen for structures used by this template
* https://golang.org/pkg/text/template/ for documentation on the template syntax
--------------------------------------------------------------------------------
*/ -}}
{{- $I := LoadIntrinsics "src/tint/lang/wgsl/wgsl.def" -}}
#ifndef SRC_TINT_LANG_WGSL_INTRINSIC_CTOR_CONV_H_
#define SRC_TINT_LANG_WGSL_INTRINSIC_CTOR_CONV_H_
#include <cstdint>
#include "src/tint/utils/traits/traits.h"
namespace tint::wgsl::intrinsic {
/// CtorConv is an enumerator of types that have a constructor or converter overload
/// declared in the intrinsic table.
enum class CtorConv : uint8_t {
{{- range $I.Sem.ConstructorsAndConverters }}
k{{Title .Name}},
{{- end }}
kNone,
};
/// @returns the name of the type.
const char* str(CtorConv i);
/// Prints the CtorConv @p c to @p o
/// @param o the stream to write to
/// @param c the CtorConv
/// @return the stream so calls can be chained
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& o, CtorConv c) {
return o << str(c);
}
/// @param n the width of the vector
/// @return the CtorConv for a vector of width `n`
inline CtorConv VectorCtorConv(uint32_t n) {
switch (n) {
case 2:
return CtorConv::kVec2;
case 3:
return CtorConv::kVec3;
case 4:
return CtorConv::kVec4;
}
return CtorConv::kNone;
}
/// @param c the number of columns in the matrix
/// @param r the number of rows in the matrix
/// @return the CtorConv for a matrix with `c` columns and `r` rows
inline CtorConv MatrixCtorConv(uint32_t c, uint32_t r) {
switch ((c - 2) * 3 + (r - 2)) {
case 0:
return CtorConv::kMat2x2;
case 1:
return CtorConv::kMat2x3;
case 2:
return CtorConv::kMat2x4;
case 3:
return CtorConv::kMat3x2;
case 4:
return CtorConv::kMat3x3;
case 5:
return CtorConv::kMat3x4;
case 6:
return CtorConv::kMat4x2;
case 7:
return CtorConv::kMat4x3;
case 8:
return CtorConv::kMat4x4;
}
return CtorConv::kNone;
}
} // namespace tint::wgsl::intrinsic
#endif // SRC_TINT_LANG_WGSL_INTRINSIC_CTOR_CONV_H_