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-rw-r--r--lib/gl_traits.hpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/gl_traits.hpp b/lib/gl_traits.hpp
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--- /dev/null
+++ b/lib/gl_traits.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <GL/glew.h>
+#include <array>
+#include <glm/common.hpp>
+
+template<typename T> struct gl_traits;
+template<> struct gl_traits<float> {
+ static constexpr GLenum type {GL_FLOAT};
+ static constexpr GLint size {1};
+};
+
+template<typename T, std::size_t S> struct gl_traits<std::array<T, S>> : public gl_traits<T> {
+ static constexpr GLint size {S * gl_traits<T>::size};
+};
+
+template<glm::length_t L, typename T, glm::qualifier Q> struct gl_traits<glm::vec<L, T, Q>> : public gl_traits<T> {
+ static constexpr GLint size {L};
+};
+
+template<glm::length_t C, glm::length_t R, typename T, glm::qualifier Q>
+struct gl_traits<glm::mat<C, R, T, Q>> : public gl_traits<T> {
+ static constexpr GLint size {C * R};
+};