diff options
Diffstat (limited to 'lib/glVertexArrays.h')
-rw-r--r-- | lib/glVertexArrays.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/glVertexArrays.h b/lib/glVertexArrays.h new file mode 100644 index 0000000..ab31751 --- /dev/null +++ b/lib/glVertexArrays.h @@ -0,0 +1,48 @@ +#ifndef GLVERTEXARRAYS_H +#define GLVERTEXARRAYS_H + +#include <GL/glew.h> +#include <array> +#include <cstddef> +#include <special_members.hpp> + +class glVertexArraysBase { +protected: + static void gen(GLsizei, GLuint *); + static void del(GLsizei, const GLuint *); +}; + +template<size_t N> class glVertexArrays : glVertexArraysBase { +public: + glVertexArrays() + { + gen(N, ids.data()); + } + + ~glVertexArrays() + { + del(N, ids.data()); + } + + NO_COPY(glVertexArrays); + NO_MOVE(glVertexArrays); + + // NOLINTNEXTLINE(hicpp-explicit-conversions) + operator GLuint() const + { + static_assert(N == 1, "Implicit cast only if N == 1"); + return ids.front(); + } + + auto + operator[](size_t n) const + { + return ids[n]; + } + +private: + std::array<GLuint, N> ids {}; +}; +using glVertexArray = glVertexArrays<1>; + +#endif |