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-rw-r--r--lib/glBuffers.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/glBuffers.h b/lib/glBuffers.h
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+++ b/lib/glBuffers.h
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+#ifndef GLBUFFERS_H
+#define GLBUFFERS_H
+
+#include <GL/glew.h>
+#include <array>
+#include <cstddef>
+#include <special_members.hpp>
+
+class glBuffersBase {
+protected:
+ static void gen(GLsizei, GLuint *);
+ static void del(GLsizei, const GLuint *);
+};
+
+template<size_t N> class glBuffers : glBuffersBase {
+public:
+ glBuffers()
+ {
+ gen(N, ids.data());
+ }
+
+ ~glBuffers()
+ {
+ del(N, ids.data());
+ }
+
+ NO_COPY(glBuffers);
+ NO_MOVE(glBuffers);
+
+ // 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 glBuffer = glBuffers<1>;
+
+#endif