diff options
Diffstat (limited to 'lib/gl_traits.hpp')
| -rw-r--r-- | lib/gl_traits.hpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/lib/gl_traits.hpp b/lib/gl_traits.hpp index e2e689d..6ff8905 100644 --- a/lib/gl_traits.hpp +++ b/lib/gl_traits.hpp @@ -11,20 +11,23 @@ struct gl_traits_base { }; struct gl_traits_float : public gl_traits_base { static constexpr auto vertexAttribFunc { - [](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) { + [](GLuint index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint { glVertexAttribPointer(index, size, type, GL_FALSE, stride, pointer); + 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 index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint { glVertexAttribLPointer(index, size, type, stride, pointer); + 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 index, GLint size, GLenum type, GLsizei stride, const void * pointer) -> GLuint { glVertexAttribIPointer(index, size, type, stride, pointer); + return 1; }}; }; template<> struct gl_traits<glm::f32> : public gl_traits_float { @@ -63,4 +66,12 @@ template<glm::length_t L, typename T, glm::qualifier Q> struct gl_traits<glm::ve 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}; + static constexpr auto vertexAttribFunc { + [](GLuint index, GLint, GLenum type, GLsizei stride, const void * pointer) -> GLuint { + const auto base = static_cast<const T *>(pointer); + for (GLuint r = 0; r < R; r++) { + glVertexAttribPointer(index + r, C, type, GL_FALSE, stride, base + (r * C)); + } + return R; + }}; }; |