GL_VERSION_4_6
https://www.opengl.org/registry/doc/glspec46.compatibility.pdf


    GL_PARAMETER_BUFFER                                 0x80EE
    GL_PARAMETER_BUFFER_BINDING                         0x80EF
    GL_VERTICES_SUBMITTED                               0x82EE
    GL_PRIMITIVES_SUBMITTED                             0x82EF
    GL_VERTEX_SHADER_INVOCATIONS                        0x82F0
    GL_TESS_CONTROL_SHADER_PATCHES                      0x82F1
    GL_TESS_EVALUATION_SHADER_INVOCATIONS               0x82F2
    GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED               0x82F3
    GL_FRAGMENT_SHADER_INVOCATIONS                      0x82F4
    GL_COMPUTE_SHADER_INVOCATIONS                       0x82F5
    GL_CLIPPING_INPUT_PRIMITIVES                        0x82F6
    GL_CLIPPING_OUTPUT_PRIMITIVES                       0x82F7
    GL_TRANSFORM_FEEDBACK_OVERFLOW                      0x82EC
    GL_TRANSFORM_FEEDBACK_STREAM_OVERFLOW               0x82ED
    GL_POLYGON_OFFSET_CLAMP                             0x8E1B
    GL_TEXTURE_MAX_ANISOTROPY                           0x84FE
    GL_MAX_TEXTURE_MAX_ANISOTROPY                       0x84FF
    GL_SHADER_BINARY_FORMAT_SPIR_V                      0x9551
    GL_SPIR_V_BINARY                                    0x9552
    GL_CONTEXT_FLAG_NO_ERROR_BIT                        0x00000008
    GL_SPIR_V_EXTENSIONS                                0x9553
    GL_NUM_SPIR_V_EXTENSIONS                            0x9554
    void glMultiDrawArraysIndirectCount (GLenum mode, const GLvoid *indirect, GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride)
    void glMultiDrawElementsIndirectCount (GLenum mode, GLenum type, const GLvoid *indirect, GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride)
    void glSpecializeShader (GLuint shader, const GLchar *pEntryPoint, GLuint numSpecializationConstants, const GLuint *pConstantIndex, const GLuint *pConstantValue)
