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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-01-27 21:37:59 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-01-27 21:37:59 +0000 |
| commit | c00dacdb573d3e090a092e5725bb3eb7137d0098 (patch) | |
| tree | 6f0b076b65e15dabd344954b9e3d20843689519a /lib/gl_traits.h | |
| parent | Support constructing a glContainer from a collection of the same type (diff) | |
| download | ilt-c00dacdb573d3e090a092e5725bb3eb7137d0098.tar.bz2 ilt-c00dacdb573d3e090a092e5725bb3eb7137d0098.tar.xz ilt-c00dacdb573d3e090a092e5725bb3eb7137d0098.zip | |
Add traits vertex attrib func override for arrays
Address limitation on size when specifying arrays of glm::vec
Diffstat (limited to 'lib/gl_traits.h')
| -rw-r--r-- | lib/gl_traits.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/gl_traits.h b/lib/gl_traits.h index 14ac9d8..b3c6909 100644 --- a/lib/gl_traits.h +++ b/lib/gl_traits.h @@ -83,6 +83,14 @@ template<> struct gl_traits<glm::uint32> : public gl_traits_integer { 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}; + 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 e = 0; e < S; e++) { + glVertexAttribPointer(index + e, gl_traits<T>::size, type, GL_FALSE, stride, base + e); + } + return S; + }}; }; template<glm::length_t L, typename T, glm::qualifier Q> struct gl_traits<glm::vec<L, T, Q>> : public gl_traits<T> { |