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Add direct copy when output and input vertex formats are matching.

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This commit is contained in:
Roz K
2023-01-06 18:16:10 +01:00
parent a02d8e4d7d
commit 39c449a763
1 changed files with 28 additions and 0 deletions
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28
cpp/render/vertex_format_opengles.hpp
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@ -71,6 +71,20 @@ struct alignas(4) rk_output_row {
} }
}; };
template<typename _output, unsigned _cols, bool _signed, bool _normalized>
struct alignas(4) rk_output_row<_output, _output, _cols, _signed, _normalized> {
rk_output<_output, _output, _signed, _normalized> output_col[_cols];
[[RK_FAST]]
inline void convert(
rk_input_row<_output, _cols> const & __restrict src) {
static_assert(sizeof(output_col) == sizeof(src.input_col));
rk_output<_output, _output, _signed, _normalized> const * const input_col =
reinterpret_cast<rk_output<_output, _output, _signed, _normalized> const *>(src.input_col);
*output_col = *input_col;
}
};
template<typename _input, unsigned _cols, bool _signed, bool _normalized> template<typename _input, unsigned _cols, bool _signed, bool _normalized>
struct alignas(4) rk_output_row<rk_packed<_signed, _cols>, _input, _cols, _signed, _normalized> { struct alignas(4) rk_output_row<rk_packed<_signed, _cols>, _input, _cols, _signed, _normalized> {
rk_output<rk_packed<_signed, _cols>, _input, _signed, _normalized> output_cols; rk_output<rk_packed<_signed, _cols>, _input, _signed, _normalized> output_cols;
@ -100,6 +114,20 @@ struct alignas(4) rk_output_format {
} }
}; };
template<typename _output, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
struct alignas(4) rk_output_format<_output, _output, _cols, _rows, _signed, _normalized> {
rk_output_row<_output, _output, _cols, _signed, _normalized> output_row[_rows];
[[RK_FAST]]
inline void convert(
rk_input_format<_output, _cols, _rows> const & __restrict src) {
static_assert(sizeof(output_row) == sizeof(src.input_row));
rk_output_row<_output, _output, _cols, _signed, _normalized> const * const input_row =
reinterpret_cast<rk_output_row<_output, _output, _cols, _signed, _normalized> const *>(src.input_row);
*output_row = *input_row;
}
};
template<typename _input, bool _signed, bool _normalized> template<typename _input, bool _signed, bool _normalized>
struct alignas(alignof(rk_packed<_signed, 3>)) rk_output<rk_packed<_signed, 3>, _input, _signed, _normalized> { struct alignas(alignof(rk_packed<_signed, 3>)) rk_output<rk_packed<_signed, 3>, _input, _signed, _normalized> {
rk_packed<_signed, 3> output; rk_packed<_signed, 3> output;