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Remove unneccesary vec_swizzle overloads and added a script to generate them

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ZXShady 2025-03-07 19:07:21 +00:00
parent a81871a8a4
commit a04b1af3fa
2 changed files with 354 additions and 2740 deletions
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3076
glm/gtx/vec_swizzle.hpp
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18
util/generate_swizzle_functions.py Normal file
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@ -0,0 +1,18 @@
import itertools
def make_swizzlers(letters, vector_length):
if vector_length == 4:
template = "template<typename T, qualifier Q> GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<{vector_length},T,Q> {function_name}(vec<4,T,Q> const& v) {{ return vec<4,T,Q>({swizzle}); }}"
else:
template = "template<length_t L, typename T, qualifier Q> GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<{vector_length},T,Q> {function_name}(vec<L,T,Q> const& v) {{ return vec<{vector_length},T,Q>({swizzle}); }}"
for perm in itertools.product(letters, repeat=vector_length):
print(template.format(
vector_length=vector_length,
function_name=''.join(perm),
swizzle=', '.join([f'v.{i}' for i in perm])
))
if __name__ == "__main__":
for i in range(2,5):
make_swizzlers(['x', 'y', 'z', 'w'], i)