From 3bf42c6ff3805a0d42bbc661794a95ff31bedc26 Mon Sep 17 00:00:00 2001 From: untodesu Date: Sat, 15 Mar 2025 16:22:09 +0500 Subject: Add whatever I was working on for the last month --- deps/include/glm/gtx/scalar_multiplication.hpp | 80 ++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 deps/include/glm/gtx/scalar_multiplication.hpp (limited to 'deps/include/glm/gtx/scalar_multiplication.hpp') diff --git a/deps/include/glm/gtx/scalar_multiplication.hpp b/deps/include/glm/gtx/scalar_multiplication.hpp new file mode 100644 index 0000000..97df000 --- /dev/null +++ b/deps/include/glm/gtx/scalar_multiplication.hpp @@ -0,0 +1,80 @@ +/// @ref gtx_scalar_multiplication +/// @file glm/gtx/scalar_multiplication.hpp +/// @author Joshua Moerman +/// +/// @defgroup gtx_scalar_multiplication GLM_GTX_scalar_multiplication +/// @ingroup gtx +/// +/// Include to use the features of this extension. +/// +/// Enables scalar multiplication for all types +/// +/// Since GLSL is very strict about types, the following (often used) combinations do not work: +/// double * vec4 +/// int * vec4 +/// vec4 / int +/// So we'll fix that! Of course "float * vec4" should remain the same (hence the enable_if magic) + +#pragma once + +#include "../detail/setup.hpp" + +#ifndef GLM_ENABLE_EXPERIMENTAL +# error "GLM: GLM_GTX_scalar_multiplication is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it." +#elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) +# pragma message("GLM: GLM_GTX_scalar_multiplication extension included") +#endif + +#include "../vec2.hpp" +#include "../vec3.hpp" +#include "../vec4.hpp" +#include "../mat2x2.hpp" +#include + +namespace glm +{ + /// @addtogroup gtx_scalar_multiplication + /// @{ + + template + using return_type_scalar_multiplication = typename std::enable_if< + !std::is_same::value // T may not be a float + && std::is_arithmetic::value, Vec // But it may be an int or double (no vec3 or mat3, ...) + >::type; + +#define GLM_IMPLEMENT_SCAL_MULT(Vec) \ + template \ + return_type_scalar_multiplication \ + operator*(T const& s, Vec rh){ \ + return rh *= static_cast(s); \ + } \ + \ + template \ + return_type_scalar_multiplication \ + operator*(Vec lh, T const& s){ \ + return lh *= static_cast(s); \ + } \ + \ + template \ + return_type_scalar_multiplication \ + operator/(Vec lh, T const& s){ \ + return lh *= 1.0f / static_cast(s); \ + } + +GLM_IMPLEMENT_SCAL_MULT(vec2) +GLM_IMPLEMENT_SCAL_MULT(vec3) +GLM_IMPLEMENT_SCAL_MULT(vec4) + +GLM_IMPLEMENT_SCAL_MULT(mat2) +GLM_IMPLEMENT_SCAL_MULT(mat2x3) +GLM_IMPLEMENT_SCAL_MULT(mat2x4) +GLM_IMPLEMENT_SCAL_MULT(mat3x2) +GLM_IMPLEMENT_SCAL_MULT(mat3) +GLM_IMPLEMENT_SCAL_MULT(mat3x4) +GLM_IMPLEMENT_SCAL_MULT(mat4x2) +GLM_IMPLEMENT_SCAL_MULT(mat4x3) +GLM_IMPLEMENT_SCAL_MULT(mat4) + +#undef GLM_IMPLEMENT_SCAL_MULT + /// @} +} // namespace glm -- cgit