nCine::GLTextureMappingFunc class

#include <nCine/Graphics/GL/GLHashMap.h>

Maps OpenGL texture targets to bucket indices.

Mapping function for GLHashMap that turns texture targets (GL_TEXTURE_2D, GL_TEXTURE_3D, ...) into contiguous indices.

Public static variables

static const std::uint32_t Size

Number of distinct texture targets, i.e. the required bucket count.

Public functions

auto operator()(key_t key) const -> std::uint32_t

Returns the bucket index for a texture target.