"streamlined" model/VAO handling

[blank.git] / src / graphics / VertexArray.hpp

diff --git a/src/graphics/VertexArray.hpp b/src/graphics/VertexArray.hpp
new file mode 100644 (file)
index 0000000..c1c7495
--- /dev/null
+++ b/src/graphics/VertexArray.hpp
@@ -0,0 +1,63 @@
+#ifndef BLANK_GRAPHICS_VERTEXARRAY_HPP_
+#define BLANK_GRAPHICS_VERTEXARRAY_HPP_
+
+#include <vector>
+#include <GL/glew.h>
+
+
+namespace blank {
+
+template<std::size_t N>
+class VertexArray {
+
+public:
+       static constexpr std::size_t NUM_ATTRS = N;
+
+public:
+       VertexArray() noexcept;
+       ~VertexArray() noexcept;
+
+       VertexArray(const VertexArray<N> &) = delete;
+       VertexArray<N> &operator =(const VertexArray<N> &) = delete;
+
+       VertexArray(VertexArray<N> &&) noexcept;
+       VertexArray<N> &operator =(VertexArray<N> &&) noexcept;
+
+public:
+       void Bind() const noexcept;
+
+       template <class T>
+       void PushAttribute(std::size_t which, const std::vector<T> &data) noexcept;
+
+       template<class T>
+       void PushIndices(std::size_t which, const std::vector<T> &indices) noexcept;
+
+       void DrawLineElements() const noexcept;
+       void DrawTriangleElements() const noexcept;
+
+private:
+       void BindAttribute(std::size_t which) const noexcept;
+       void EnableAttribute(std::size_t which) noexcept;
+       template <class T>
+       void AttributeData(const std::vector<T> &) noexcept;
+       template <class T>
+       void AttributePointer(std::size_t which) noexcept;
+
+       void BindIndex(std::size_t which) const noexcept;
+       template <class T>
+       void IndexData(const std::vector<T> &) noexcept;
+
+private:
+       GLuint array_id;
+       GLuint attr_id[NUM_ATTRS];
+
+       std::size_t idx_count;
+       GLenum idx_type;
+
+};
+
+}
+
+#include "VertexArray.inl"
+
+#endif