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-rw-r--r--lib/gl_traits.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/gl_traits.h b/lib/gl_traits.h
index a930eba..934b505 100644
--- a/lib/gl_traits.h
+++ b/lib/gl_traits.h
@@ -6,9 +6,11 @@
#include <glm/fwd.hpp>
template<typename T> struct gl_traits;
+
struct gl_traits_base {
static constexpr GLint size {1};
};
+
struct gl_traits_float : public gl_traits_base {
static constexpr auto vertexAttribFunc {
[](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint {
@@ -16,6 +18,7 @@ struct gl_traits_float : public gl_traits_base {
return 1;
}};
};
+
struct gl_traits_longfloat : public gl_traits_base {
static constexpr auto vertexAttribFunc {
[](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint {
@@ -23,6 +26,7 @@ struct gl_traits_longfloat : public gl_traits_base {
return 1;
}};
};
+
struct gl_traits_integer : public gl_traits_base {
static constexpr auto vertexAttribFunc {
[](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint {
@@ -30,27 +34,35 @@ struct gl_traits_integer : public gl_traits_base {
return 1;
}};
};
+
template<> struct gl_traits<glm::f32> : public gl_traits_float {
static constexpr GLenum type {GL_FLOAT};
};
+
template<> struct gl_traits<glm::f64> : public gl_traits_longfloat {
static constexpr GLenum type {GL_DOUBLE};
};
+
template<> struct gl_traits<glm::int8> : public gl_traits_integer {
static constexpr GLenum type {GL_BYTE};
};
+
template<> struct gl_traits<glm::int16> : public gl_traits_integer {
static constexpr GLenum type {GL_SHORT};
};
+
template<> struct gl_traits<glm::int32> : public gl_traits_integer {
static constexpr GLenum type {GL_INT};
};
+
template<> struct gl_traits<glm::uint8> : public gl_traits_integer {
static constexpr GLenum type {GL_UNSIGNED_BYTE};
};
+
template<> struct gl_traits<glm::uint16> : public gl_traits_integer {
static constexpr GLenum type {GL_UNSIGNED_SHORT};
};
+
template<> struct gl_traits<glm::uint32> : public gl_traits_integer {
static constexpr GLenum type {GL_UNSIGNED_INT};
};