Source code for picogl.backend.gl.enums.numerical

"""
Defines an enumeration for OpenGL numerical values that represent data types
such as float, double, integers, and their supported variants. The module
also provides functionality to fetch supported and all available choices
for vertex pointer types.

Classes:
    GLNumeric: An enumeration of OpenGL numerical types with utility methods.
"""

from enum import IntEnum

from OpenGL.raw.GL._types import (
    GL_BYTE,
    GL_DOUBLE,
    GL_FLOAT,
    GL_INT,
    GL_SHORT,
    GL_UNSIGNED_BYTE,
    GL_UNSIGNED_INT,
    GL_UNSIGNED_SHORT,
)



_SUPPORTED_VERTEX_POINTER_TYPES = {
    GL_FLOAT,
    GL_DOUBLE,
    GL_INT,
    GL_SHORT,
    GL_BYTE,
}





class GLNumeric(IntEnum):
    """gl Numerical Values"""



    FLOAT = GL_FLOAT



    DOUBLE = GL_DOUBLE



    INT = GL_INT



    UNSIGNED_INT = GL_UNSIGNED_INT



    SHORT = GL_SHORT



    UNSIGNED_SHORT = GL_UNSIGNED_SHORT



    BYTE = GL_BYTE



    UNSIGNED_BYTE = GL_UNSIGNED_BYTE


    @classmethod


    def supported_gl_types(cls):
        return [m.value for m in cls if m.value in _SUPPORTED_VERTEX_POINTER_TYPES]


    @classmethod


    def choices(cls):
        return [m.value for m in cls]