#![allow(non_upper_case_globals)]
#![allow(clippy::too_many_arguments)]
#![allow(clippy::trivially_copy_pass_by_ref)]
#![allow(clippy::unreadable_literal)]
#![allow(clippy::missing_safety_doc)]
#![allow(clippy::pedantic)] // For anyone using pedantic and a source dep, this is needed

use core::fmt::Debug;
use core::hash::Hash;
use std::collections::HashSet;

mod version;
pub use version::Version;

#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
mod native;
#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
pub use native::*;
#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
mod gl46;

#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
#[path = "web_sys.rs"]
mod web;
#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
pub use web::*;

pub type Shader = <Context as HasContext>::Shader;
pub type Program = <Context as HasContext>::Program;
pub type Buffer = <Context as HasContext>::Buffer;
pub type VertexArray = <Context as HasContext>::VertexArray;
pub type Texture = <Context as HasContext>::Texture;
pub type Sampler = <Context as HasContext>::Sampler;
pub type Fence = <Context as HasContext>::Fence;
pub type Framebuffer = <Context as HasContext>::Framebuffer;
pub type Renderbuffer = <Context as HasContext>::Renderbuffer;
pub type Query = <Context as HasContext>::Query;
pub type UniformLocation = <Context as HasContext>::UniformLocation;
pub type TransformFeedback = <Context as HasContext>::TransformFeedback;
pub type DebugCallback = Box<dyn Fn(u32, u32, u32, u32, &str) + Send + Sync>;

pub struct ActiveUniform {
    pub size: i32,
    pub utype: u32,
    pub name: String,
}

pub struct ActiveAttribute {
    pub size: i32,
    pub atype: u32,
    pub name: String,
}

pub struct ActiveTransformFeedback {
    pub size: i32,
    pub tftype: u32,
    pub name: String,
}

#[derive(Debug)]
pub struct ShaderPrecisionFormat {
    /// The base 2 log of the absolute value of the minimum value that can be represented
    pub range_min: i32,
    /// The base 2 log of the absolute value of the maximum value that can be represented.
    pub range_max: i32,
    /// The number of bits of precision that can be represented.
    /// For integer formats this value is always 0.
    pub precision: i32,
}

impl ShaderPrecisionFormat {
    /// Returns OpenGL standard precision that most desktop hardware support
    pub fn common_desktop_hardware(precision_type: u32, is_embedded: bool) -> Self {
        let (range_min, range_max, precision) = match precision_type {
            LOW_INT | MEDIUM_INT | HIGH_INT => {
                // Precision: For integer formats this value is always 0
                if is_embedded {
                    // These values are for a 32-bit twos-complement integer format.
                    (31, 30, 0)
                } else {
                    // Range: from -2^24 to 2^24
                    (24, 24, 0)
                }
            }
            // IEEE 754 single-precision floating-point
            // Range: from -2^127 to 2^127
            // Significand precision: 23 bits
            LOW_FLOAT | MEDIUM_FLOAT | HIGH_FLOAT => (127, 127, 23),
            _ => unreachable!("invalid precision"),
        };
        Self {
            range_min,
            range_max,
            precision,
        }
    }
}

#[allow(dead_code)]
#[derive(Debug)]
pub struct DebugMessageLogEntry {
    source: u32,
    msg_type: u32,
    id: u32,
    severity: u32,
    message: String,
}

pub enum PixelPackData<'a> {
    BufferOffset(u32),
    Slice(Option<&'a mut [u8]>),
}

pub enum PixelUnpackData<'a> {
    BufferOffset(u32),
    Slice(Option<&'a [u8]>),
}

pub enum CompressedPixelUnpackData<'a> {
    BufferRange(core::ops::Range<u32>),
    Slice(&'a [u8]),
}

pub struct ProgramBinary {
    pub buffer: Vec<u8>,
    pub format: u32,
}

/// A trait for types that can be used as a context for OpenGL, OpenGL ES, and WebGL functions.
///
/// This trait is sealed and cannot be implemented outside of this crate.
///
/// # Safety
///
/// All GL API usage must be valid. For example, each function call should follow the rules in the
/// relevant GL specification for the type of context being used. This crate doesn't enforce these
/// rules, so it is up to the caller to ensure they're followed.
///
/// The context implementing this trait must be current when it is dropped. This is necessary to
/// ensure that certain context state can be deleted on the correct thread. Usually this is only
/// a concern for desktop GL contexts that are shared between threads.
pub trait HasContext: __private::Sealed {
    type Shader: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Program: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Buffer: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type VertexArray: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Texture: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Sampler: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Fence: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Framebuffer: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Renderbuffer: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type Query: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type TransformFeedback: Copy + Clone + Debug + Eq + Hash + Ord + PartialEq + PartialOrd;
    type UniformLocation: Clone + Debug;

    fn supported_extensions(&self) -> &HashSet<String>;

    fn supports_debug(&self) -> bool;

    fn version(&self) -> &Version;

    unsafe fn create_framebuffer(&self) -> Result<Self::Framebuffer, String>;

    unsafe fn create_named_framebuffer(&self) -> Result<Self::Framebuffer, String>;

    unsafe fn is_framebuffer(&self, framebuffer: Self::Framebuffer) -> bool;

    unsafe fn create_query(&self) -> Result<Self::Query, String>;

    unsafe fn create_renderbuffer(&self) -> Result<Self::Renderbuffer, String>;

    unsafe fn is_renderbuffer(&self, renderbuffer: Self::Renderbuffer) -> bool;

    unsafe fn create_sampler(&self) -> Result<Self::Sampler, String>;

    unsafe fn create_shader(&self, shader_type: u32) -> Result<Self::Shader, String>;

    unsafe fn is_shader(&self, shader: Self::Shader) -> bool;

    unsafe fn create_texture(&self) -> Result<Self::Texture, String>;

    unsafe fn create_named_texture(&self, target: u32) -> Result<Self::Texture, String>;

    unsafe fn is_texture(&self, texture: Self::Texture) -> bool;

    unsafe fn delete_shader(&self, shader: Self::Shader);

    unsafe fn shader_source(&self, shader: Self::Shader, source: &str);

    unsafe fn compile_shader(&self, shader: Self::Shader);

    unsafe fn get_shader_completion_status(&self, shader: Self::Shader) -> bool;

    unsafe fn get_shader_compile_status(&self, shader: Self::Shader) -> bool;

    unsafe fn get_shader_info_log(&self, shader: Self::Shader) -> String;

    unsafe fn get_shader_precision_format(
        &self,
        shader_type: u32,
        precision_mode: u32,
    ) -> Option<ShaderPrecisionFormat>;

    unsafe fn get_tex_image(
        &self,
        target: u32,
        level: i32,
        format: u32,
        ty: u32,
        pixels: PixelPackData,
    );

    unsafe fn create_program(&self) -> Result<Self::Program, String>;

    unsafe fn is_program(&self, program: Self::Program) -> bool;

    unsafe fn delete_program(&self, program: Self::Program);

    unsafe fn attach_shader(&self, program: Self::Program, shader: Self::Shader);

    unsafe fn detach_shader(&self, program: Self::Program, shader: Self::Shader);

    unsafe fn link_program(&self, program: Self::Program);

    unsafe fn validate_program(&self, program: Self::Program);

    unsafe fn get_program_completion_status(&self, program: Self::Program) -> bool;

    unsafe fn get_program_validate_status(&self, program: Self::Program) -> bool;

    unsafe fn get_program_link_status(&self, program: Self::Program) -> bool;

    unsafe fn get_program_parameter_i32(&self, program: Self::Program, parameter: u32) -> i32;

    unsafe fn get_program_info_log(&self, program: Self::Program) -> String;

    unsafe fn get_program_resource_i32(
        &self,
        program: Self::Program,
        interface: u32,
        index: u32,
        properties: &[u32],
    ) -> Vec<i32>;

    unsafe fn program_uniform_1_i32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: i32,
    );

    unsafe fn program_uniform_2_i32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: i32,
        y: i32,
    );

    unsafe fn program_uniform_3_i32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: i32,
        y: i32,
        z: i32,
    );

    unsafe fn program_uniform_4_i32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: i32,
        y: i32,
        z: i32,
        w: i32,
    );

    unsafe fn program_uniform_1_i32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[i32],
    );

    unsafe fn program_uniform_2_i32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[i32],
    );

    unsafe fn program_uniform_3_i32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[i32],
    );

    unsafe fn program_uniform_4_i32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[i32],
    );

    unsafe fn program_uniform_1_u32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: u32,
    );

    unsafe fn program_uniform_2_u32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: u32,
        y: u32,
    );

    unsafe fn program_uniform_3_u32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: u32,
        y: u32,
        z: u32,
    );

    unsafe fn program_uniform_4_u32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: u32,
        y: u32,
        z: u32,
        w: u32,
    );

    unsafe fn program_uniform_1_u32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[u32],
    );

    unsafe fn program_uniform_2_u32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[u32],
    );

    unsafe fn program_uniform_3_u32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[u32],
    );

    unsafe fn program_uniform_4_u32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[u32],
    );

    unsafe fn program_uniform_1_f32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: f32,
    );

    unsafe fn program_uniform_2_f32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: f32,
        y: f32,
    );

    unsafe fn program_uniform_3_f32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: f32,
        y: f32,
        z: f32,
    );

    unsafe fn program_uniform_4_f32(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        x: f32,
        y: f32,
        z: f32,
        w: f32,
    );

    unsafe fn program_uniform_1_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[f32],
    );

    unsafe fn program_uniform_2_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[f32],
    );

    unsafe fn program_uniform_3_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[f32],
    );

    unsafe fn program_uniform_4_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_2_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_2x3_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_2x4_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_3x2_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_3_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_3x4_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_4x2_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_4x3_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_uniform_matrix_4_f32_slice(
        &self,
        program: Self::Program,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn program_binary_retrievable_hint(&self, program: Self::Program, value: bool);

    unsafe fn get_program_binary(&self, program: Self::Program) -> Option<ProgramBinary>;

    unsafe fn program_binary(&self, program: Self::Program, binary: &ProgramBinary);

    unsafe fn get_active_uniforms(&self, program: Self::Program) -> u32;

    #[doc(alias = "GetActiveUniformsiv")]
    unsafe fn get_active_uniforms_parameter(
        &self,
        program: Self::Program,
        uniforms: &[u32],
        pname: u32,
    ) -> Vec<i32>;

    unsafe fn get_active_uniform(
        &self,
        program: Self::Program,
        index: u32,
    ) -> Option<ActiveUniform>;

    unsafe fn use_program(&self, program: Option<Self::Program>);

    unsafe fn create_buffer(&self) -> Result<Self::Buffer, String>;

    unsafe fn create_named_buffer(&self) -> Result<Self::Buffer, String>;

    unsafe fn is_buffer(&self, buffer: Self::Buffer) -> bool;

    unsafe fn bind_buffer(&self, target: u32, buffer: Option<Self::Buffer>);

    unsafe fn bind_buffer_base(&self, target: u32, index: u32, buffer: Option<Self::Buffer>);

    unsafe fn bind_buffer_range(
        &self,
        target: u32,
        index: u32,
        buffer: Option<Self::Buffer>,
        offset: i32,
        size: i32,
    );

    unsafe fn bind_vertex_buffer(
        &self,
        binding_index: u32,
        buffer: Option<Buffer>,
        offset: i32,
        stride: i32,
    );

    unsafe fn bind_framebuffer(&self, target: u32, framebuffer: Option<Self::Framebuffer>);

    unsafe fn bind_renderbuffer(&self, target: u32, renderbuffer: Option<Self::Renderbuffer>);

    unsafe fn blit_framebuffer(
        &self,
        src_x0: i32,
        src_y0: i32,
        src_x1: i32,
        src_y1: i32,
        dst_x0: i32,
        dst_y0: i32,
        dst_x1: i32,
        dst_y1: i32,
        mask: u32,
        filter: u32,
    );

    unsafe fn blit_named_framebuffer(
        &self,
        read_buffer: Option<Self::Framebuffer>,
        draw_buffer: Option<Self::Framebuffer>,
        src_x0: i32,
        src_y0: i32,
        src_x1: i32,
        src_y1: i32,
        dst_x0: i32,
        dst_y0: i32,
        dst_x1: i32,
        dst_y1: i32,
        mask: u32,
        filter: u32,
    );

    unsafe fn create_vertex_array(&self) -> Result<Self::VertexArray, String>;

    unsafe fn create_named_vertex_array(&self) -> Result<Self::VertexArray, String>;

    unsafe fn delete_vertex_array(&self, vertex_array: Self::VertexArray);

    unsafe fn bind_vertex_array(&self, vertex_array: Option<Self::VertexArray>);

    unsafe fn clear_color(&self, red: f32, green: f32, blue: f32, alpha: f32);

    unsafe fn supports_f64_precision(&self) -> bool;

    unsafe fn clear_depth_f64(&self, depth: f64);

    unsafe fn clear_depth_f32(&self, depth: f32);

    unsafe fn clear_depth(&self, depth: f64);

    unsafe fn clear_stencil(&self, stencil: i32);

    unsafe fn clear(&self, mask: u32);

    unsafe fn patch_parameter_i32(&self, parameter: u32, value: i32);

    unsafe fn pixel_store_i32(&self, parameter: u32, value: i32);

    unsafe fn pixel_store_bool(&self, parameter: u32, value: bool);

    unsafe fn get_frag_data_location(&self, program: Self::Program, name: &str) -> i32;

    unsafe fn bind_frag_data_location(&self, program: Self::Program, color_number: u32, name: &str);

    unsafe fn buffer_data_size(&self, target: u32, size: i32, usage: u32);

    unsafe fn named_buffer_data_size(&self, buffer: Self::Buffer, size: i32, usage: u32);

    unsafe fn buffer_data_u8_slice(&self, target: u32, data: &[u8], usage: u32);

    unsafe fn named_buffer_data_u8_slice(&self, buffer: Self::Buffer, data: &[u8], usage: u32);

    unsafe fn buffer_sub_data_u8_slice(&self, target: u32, offset: i32, src_data: &[u8]);

    unsafe fn named_buffer_sub_data_u8_slice(
        &self,
        buffer: Self::Buffer,
        offset: i32,
        src_data: &[u8],
    );

    unsafe fn get_buffer_sub_data(&self, target: u32, offset: i32, dst_data: &mut [u8]);

    unsafe fn buffer_storage(&self, target: u32, size: i32, data: Option<&[u8]>, flags: u32);

    unsafe fn check_framebuffer_status(&self, target: u32) -> u32;

    unsafe fn check_named_framebuffer_status(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        target: u32,
    ) -> u32;

    unsafe fn clear_buffer_i32_slice(&self, target: u32, draw_buffer: u32, values: &[i32]);

    unsafe fn clear_buffer_u32_slice(&self, target: u32, draw_buffer: u32, values: &[u32]);

    unsafe fn clear_buffer_f32_slice(&self, target: u32, draw_buffer: u32, values: &[f32]);

    unsafe fn clear_buffer_depth_stencil(
        &self,
        target: u32,
        draw_buffer: u32,
        depth: f32,
        stencil: i32,
    );

    unsafe fn clear_named_framebuffer_i32_slice(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        target: u32,
        draw_buffer: u32,
        values: &[i32],
    );

    unsafe fn clear_named_framebuffer_u32_slice(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        target: u32,
        draw_buffer: u32,
        values: &[u32],
    );

    unsafe fn clear_named_framebuffer_f32_slice(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        target: u32,
        draw_buffer: u32,
        values: &[f32],
    );

    unsafe fn clear_named_framebuffer_depth_stencil(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        target: u32,
        draw_buffer: u32,
        depth: f32,
        stencil: i32,
    );

    unsafe fn client_wait_sync(&self, fence: Self::Fence, flags: u32, timeout: i32) -> u32;

    unsafe fn get_sync_parameter_i32(&self, fence: Self::Fence, parameter: u32) -> i32;

    unsafe fn wait_sync(&self, fence: Self::Fence, flags: u32, timeout: u64);

    unsafe fn copy_buffer_sub_data(
        &self,
        src_target: u32,
        dst_target: u32,
        src_offset: i32,
        dst_offset: i32,
        size: i32,
    );

    unsafe fn copy_image_sub_data(
        &self,
        src_name: Self::Texture,
        src_target: u32,
        src_level: i32,
        src_x: i32,
        src_y: i32,
        src_z: i32,
        dst_name: Self::Texture,
        dst_target: u32,
        dst_level: i32,
        dst_x: i32,
        dst_y: i32,
        dst_z: i32,
        src_width: i32,
        src_height: i32,
        src_depth: i32,
    );

    unsafe fn copy_tex_image_2d(
        &self,
        target: u32,
        level: i32,
        internal_format: u32,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
        border: i32,
    );

    unsafe fn copy_tex_sub_image_2d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
    );

    unsafe fn copy_tex_sub_image_3d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        z_offset: i32,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
    );

    unsafe fn delete_buffer(&self, buffer: Self::Buffer);

    unsafe fn delete_framebuffer(&self, framebuffer: Self::Framebuffer);

    unsafe fn delete_query(&self, query: Self::Query);

    unsafe fn delete_renderbuffer(&self, renderbuffer: Self::Renderbuffer);

    unsafe fn delete_sampler(&self, texture: Self::Sampler);

    unsafe fn delete_sync(&self, fence: Self::Fence);

    unsafe fn delete_texture(&self, texture: Self::Texture);

    unsafe fn disable(&self, parameter: u32);

    unsafe fn disable_draw_buffer(&self, parameter: u32, draw_buffer: u32);

    unsafe fn disable_vertex_attrib_array(&self, index: u32);

    unsafe fn dispatch_compute(&self, groups_x: u32, groups_y: u32, groups_z: u32);

    unsafe fn dispatch_compute_indirect(&self, offset: i32);

    unsafe fn draw_arrays(&self, mode: u32, first: i32, count: i32);

    unsafe fn draw_arrays_instanced(&self, mode: u32, first: i32, count: i32, instance_count: i32);

    unsafe fn draw_arrays_instanced_base_instance(
        &self,
        mode: u32,
        first: i32,
        count: i32,
        instance_count: i32,
        base_instance: u32,
    );

    unsafe fn draw_arrays_indirect_offset(&self, mode: u32, offset: i32);

    unsafe fn draw_buffer(&self, buffer: u32);

    unsafe fn named_framebuffer_draw_buffer(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        draw_buffer: u32,
    );

    unsafe fn named_framebuffer_draw_buffers(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        buffers: &[u32],
    );

    unsafe fn draw_buffers(&self, buffers: &[u32]);

    unsafe fn draw_elements(&self, mode: u32, count: i32, element_type: u32, offset: i32);

    unsafe fn draw_elements_base_vertex(
        &self,
        mode: u32,
        count: i32,
        element_type: u32,
        offset: i32,
        base_vertex: i32,
    );

    unsafe fn draw_elements_instanced(
        &self,
        mode: u32,
        count: i32,
        element_type: u32,
        offset: i32,
        instance_count: i32,
    );

    unsafe fn draw_elements_instanced_base_vertex(
        &self,
        mode: u32,
        count: i32,
        element_type: u32,
        offset: i32,
        instance_count: i32,
        base_vertex: i32,
    );

    unsafe fn draw_elements_instanced_base_vertex_base_instance(
        &self,
        mode: u32,
        count: i32,
        element_type: u32,
        offset: i32,
        instance_count: i32,
        base_vertex: i32,
        base_instance: u32,
    );

    unsafe fn draw_elements_indirect_offset(&self, mode: u32, element_type: u32, offset: i32);

    unsafe fn enable(&self, parameter: u32);

    unsafe fn is_enabled(&self, parameter: u32) -> bool;

    unsafe fn enable_draw_buffer(&self, parameter: u32, draw_buffer: u32);

    unsafe fn enable_vertex_array_attrib(&self, vao: Self::VertexArray, index: u32);

    unsafe fn enable_vertex_attrib_array(&self, index: u32);

    unsafe fn flush(&self);

    unsafe fn framebuffer_renderbuffer(
        &self,
        target: u32,
        attachment: u32,
        renderbuffer_target: u32,
        renderbuffer: Option<Self::Renderbuffer>,
    );

    unsafe fn framebuffer_texture(
        &self,
        target: u32,
        attachment: u32,
        texture: Option<Self::Texture>,
        level: i32,
    );

    unsafe fn framebuffer_texture_2d(
        &self,
        target: u32,
        attachment: u32,
        texture_target: u32,
        texture: Option<Self::Texture>,
        level: i32,
    );

    unsafe fn framebuffer_texture_3d(
        &self,
        target: u32,
        attachment: u32,
        texture_target: u32,
        texture: Option<Self::Texture>,
        level: i32,
        layer: i32,
    );

    unsafe fn framebuffer_texture_layer(
        &self,
        target: u32,
        attachment: u32,
        texture: Option<Self::Texture>,
        level: i32,
        layer: i32,
    );

    unsafe fn named_framebuffer_renderbuffer(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        attachment: u32,
        renderbuffer_target: u32,
        renderbuffer: Option<Self::Renderbuffer>,
    );

    unsafe fn named_framebuffer_texture(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        attachment: u32,
        texture: Option<Self::Texture>,
        level: i32,
    );

    unsafe fn named_framebuffer_texture_layer(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        attachment: u32,
        texture: Option<Self::Texture>,
        level: i32,
        layer: i32,
    );

    unsafe fn front_face(&self, value: u32);

    unsafe fn get_error(&self) -> u32;

    unsafe fn get_tex_parameter_i32(&self, target: u32, parameter: u32) -> i32;

    unsafe fn get_tex_parameter_f32(&self, target: u32, parameter: u32) -> f32;

    unsafe fn get_buffer_parameter_i32(&self, target: u32, parameter: u32) -> i32;

    #[doc(alias = "glGetBooleanv")]
    unsafe fn get_parameter_bool(&self, parameter: u32) -> bool;

    #[doc(alias = "glGetBooleanv")]
    unsafe fn get_parameter_bool_array<const N: usize>(&self, parameter: u32) -> [bool; N];

    #[doc(alias = "glGetIntegerv")]
    unsafe fn get_parameter_i32(&self, parameter: u32) -> i32;

    #[doc(alias = "glGetIntegerv")]
    unsafe fn get_parameter_i32_slice(&self, parameter: u32, out: &mut [i32]);

    #[doc(alias = "glGetInteger64v")]
    unsafe fn get_parameter_i64(&self, parameter: u32) -> i64;

    #[doc(alias = "glGetInteger64v")]
    unsafe fn get_parameter_i64_slice(&self, parameter: u32, out: &mut [i64]);

    #[doc(alias = "glGetInteger64i_v")]
    unsafe fn get_parameter_indexed_i64(&self, parameter: u32, index: u32) -> i64;

    #[doc(alias = "glGetFloatv")]
    unsafe fn get_parameter_f32(&self, parameter: u32) -> f32;

    #[doc(alias = "glGetFloatv")]
    unsafe fn get_parameter_f32_slice(&self, parameter: u32, out: &mut [f32]);

    #[doc(alias = "glGetIntegeri_v")]
    unsafe fn get_parameter_indexed_i32(&self, parameter: u32, index: u32) -> i32;

    #[doc(alias = "glGetStringi")]
    unsafe fn get_parameter_indexed_string(&self, parameter: u32, index: u32) -> String;

    #[doc(alias = "glGetString")]
    unsafe fn get_parameter_string(&self, parameter: u32) -> String;

    unsafe fn get_parameter_buffer(&self, parameter: u32) -> Option<Self::Buffer>;

    unsafe fn get_parameter_framebuffer(&self, parameter: u32) -> Option<Self::Framebuffer>;

    unsafe fn get_parameter_program(&self, parameter: u32) -> Option<Self::Program>;

    unsafe fn get_parameter_renderbuffer(&self, parameter: u32) -> Option<Self::Renderbuffer>;

    unsafe fn get_parameter_sampler(&self, parameter: u32) -> Option<Self::Sampler>;

    unsafe fn get_parameter_texture(&self, parameter: u32) -> Option<Self::Texture>;

    unsafe fn get_parameter_transform_feedback(
        &self,
        parameter: u32,
    ) -> Option<Self::TransformFeedback>;

    unsafe fn get_parameter_vertex_array(&self, parameter: u32) -> Option<Self::VertexArray>;

    unsafe fn get_renderbuffer_parameter_i32(&self, target: u32, parameter: u32) -> i32;

    unsafe fn get_framebuffer_parameter_i32(&self, target: u32, parameter: u32) -> i32;

    unsafe fn get_named_framebuffer_parameter_i32(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        parameter: u32,
    ) -> i32;

    unsafe fn get_framebuffer_attachment_parameter_i32(
        &self,
        target: u32,
        attachment: u32,
        parameter: u32,
    ) -> i32;

    unsafe fn get_named_framebuffer_attachment_parameter_i32(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        attachment: u32,
        parameter: u32,
    ) -> i32;

    unsafe fn get_active_uniform_block_parameter_i32(
        &self,
        program: Self::Program,
        uniform_block_index: u32,
        parameter: u32,
    ) -> i32;

    unsafe fn get_active_uniform_block_parameter_i32_slice(
        &self,
        program: Self::Program,
        uniform_block_index: u32,
        parameter: u32,
        out: &mut [i32],
    );

    unsafe fn get_active_uniform_block_name(
        &self,
        program: Self::Program,
        uniform_block_index: u32,
    ) -> String;

    unsafe fn get_uniform_location(
        &self,
        program: Self::Program,
        name: &str,
    ) -> Option<Self::UniformLocation>;

    unsafe fn get_attrib_location(&self, program: Self::Program, name: &str) -> Option<u32>;

    unsafe fn bind_attrib_location(&self, program: Self::Program, index: u32, name: &str);

    unsafe fn get_active_attributes(&self, program: Self::Program) -> u32;

    unsafe fn get_active_attribute(
        &self,
        program: Self::Program,
        index: u32,
    ) -> Option<ActiveAttribute>;

    unsafe fn get_sync_status(&self, fence: Self::Fence) -> u32;

    unsafe fn is_sync(&self, fence: Self::Fence) -> bool;

    unsafe fn renderbuffer_storage(
        &self,
        target: u32,
        internal_format: u32,
        width: i32,
        height: i32,
    );

    unsafe fn renderbuffer_storage_multisample(
        &self,
        target: u32,
        samples: i32,
        internal_format: u32,
        width: i32,
        height: i32,
    );

    unsafe fn sampler_parameter_f32(&self, sampler: Self::Sampler, name: u32, value: f32);

    unsafe fn sampler_parameter_f32_slice(&self, sampler: Self::Sampler, name: u32, value: &[f32]);

    unsafe fn sampler_parameter_i32(&self, sampler: Self::Sampler, name: u32, value: i32);

    unsafe fn get_sampler_parameter_i32(&self, sampler: Self::Sampler, name: u32) -> i32;

    unsafe fn get_sampler_parameter_f32(&self, sampler: Self::Sampler, name: u32) -> f32;

    unsafe fn generate_mipmap(&self, target: u32);

    unsafe fn generate_texture_mipmap(&self, texture: Self::Texture);

    unsafe fn tex_image_1d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        border: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn compressed_tex_image_1d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        border: i32,
        image_size: i32,
        pixels: &[u8],
    );

    unsafe fn tex_image_2d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        height: i32,
        border: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn tex_image_2d_multisample(
        &self,
        target: u32,
        samples: i32,
        internal_format: i32,
        width: i32,
        height: i32,
        fixed_sample_locations: bool,
    );

    unsafe fn compressed_tex_image_2d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        height: i32,
        border: i32,
        image_size: i32,
        pixels: &[u8],
    );

    unsafe fn tex_image_3d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        height: i32,
        depth: i32,
        border: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn compressed_tex_image_3d(
        &self,
        target: u32,
        level: i32,
        internal_format: i32,
        width: i32,
        height: i32,
        depth: i32,
        border: i32,
        image_size: i32,
        pixels: &[u8],
    );

    unsafe fn tex_storage_1d(&self, target: u32, levels: i32, internal_format: u32, width: i32);

    unsafe fn tex_storage_2d(
        &self,
        target: u32,
        levels: i32,
        internal_format: u32,
        width: i32,
        height: i32,
    );

    unsafe fn texture_storage_2d(
        &self,
        texture: Self::Texture,
        levels: i32,
        internal_format: u32,
        width: i32,
        height: i32,
    );

    unsafe fn tex_storage_2d_multisample(
        &self,
        target: u32,
        samples: i32,
        internal_format: u32,
        width: i32,
        height: i32,
        fixed_sample_locations: bool,
    );

    unsafe fn tex_storage_3d(
        &self,
        target: u32,
        levels: i32,
        internal_format: u32,
        width: i32,
        height: i32,
        depth: i32,
    );

    unsafe fn texture_storage_3d(
        &self,
        texture: Self::Texture,
        levels: i32,
        internal_format: u32,
        width: i32,
        height: i32,
        depth: i32,
    );

    unsafe fn get_uniform_i32(
        &self,
        program: Self::Program,
        location: &Self::UniformLocation,
        v: &mut [i32],
    );

    unsafe fn get_uniform_u32(
        &self,
        program: Self::Program,
        location: &Self::UniformLocation,
        v: &mut [u32],
    );

    unsafe fn get_uniform_f32(
        &self,
        program: Self::Program,
        location: &Self::UniformLocation,
        v: &mut [f32],
    );

    unsafe fn uniform_1_i32(&self, location: Option<&Self::UniformLocation>, x: i32);

    unsafe fn uniform_2_i32(&self, location: Option<&Self::UniformLocation>, x: i32, y: i32);

    unsafe fn uniform_3_i32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: i32,
        y: i32,
        z: i32,
    );

    unsafe fn uniform_4_i32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: i32,
        y: i32,
        z: i32,
        w: i32,
    );

    unsafe fn uniform_1_i32_slice(&self, location: Option<&Self::UniformLocation>, v: &[i32]);

    unsafe fn uniform_2_i32_slice(&self, location: Option<&Self::UniformLocation>, v: &[i32]);

    unsafe fn uniform_3_i32_slice(&self, location: Option<&Self::UniformLocation>, v: &[i32]);

    unsafe fn uniform_4_i32_slice(&self, location: Option<&Self::UniformLocation>, v: &[i32]);

    unsafe fn uniform_1_u32(&self, location: Option<&Self::UniformLocation>, x: u32);

    unsafe fn uniform_2_u32(&self, location: Option<&Self::UniformLocation>, x: u32, y: u32);

    unsafe fn uniform_3_u32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: u32,
        y: u32,
        z: u32,
    );

    unsafe fn uniform_4_u32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: u32,
        y: u32,
        z: u32,
        w: u32,
    );

    unsafe fn uniform_1_u32_slice(&self, location: Option<&Self::UniformLocation>, v: &[u32]);

    unsafe fn uniform_2_u32_slice(&self, location: Option<&Self::UniformLocation>, v: &[u32]);

    unsafe fn uniform_3_u32_slice(&self, location: Option<&Self::UniformLocation>, v: &[u32]);

    unsafe fn uniform_4_u32_slice(&self, location: Option<&Self::UniformLocation>, v: &[u32]);

    unsafe fn uniform_1_f32(&self, location: Option<&Self::UniformLocation>, x: f32);

    unsafe fn uniform_2_f32(&self, location: Option<&Self::UniformLocation>, x: f32, y: f32);

    unsafe fn uniform_3_f32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: f32,
        y: f32,
        z: f32,
    );

    unsafe fn uniform_4_f32(
        &self,
        location: Option<&Self::UniformLocation>,
        x: f32,
        y: f32,
        z: f32,
        w: f32,
    );

    unsafe fn uniform_1_f32_slice(&self, location: Option<&Self::UniformLocation>, v: &[f32]);

    unsafe fn uniform_2_f32_slice(&self, location: Option<&Self::UniformLocation>, v: &[f32]);

    unsafe fn uniform_3_f32_slice(&self, location: Option<&Self::UniformLocation>, v: &[f32]);

    unsafe fn uniform_4_f32_slice(&self, location: Option<&Self::UniformLocation>, v: &[f32]);

    unsafe fn uniform_matrix_2_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_2x3_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_2x4_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_3x2_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_3_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_3x4_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_4x2_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_4x3_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn uniform_matrix_4_f32_slice(
        &self,
        location: Option<&Self::UniformLocation>,
        transpose: bool,
        v: &[f32],
    );

    unsafe fn unmap_buffer(&self, target: u32);

    unsafe fn cull_face(&self, value: u32);

    unsafe fn color_mask(&self, red: bool, green: bool, blue: bool, alpha: bool);

    unsafe fn color_mask_draw_buffer(
        &self,
        buffer: u32,
        red: bool,
        green: bool,
        blue: bool,
        alpha: bool,
    );

    unsafe fn depth_mask(&self, value: bool);

    unsafe fn blend_color(&self, red: f32, green: f32, blue: f32, alpha: f32);

    unsafe fn line_width(&self, width: f32);

    unsafe fn map_buffer_range(
        &self,
        target: u32,
        offset: i32,
        length: i32,
        access: u32,
    ) -> *mut u8;

    unsafe fn flush_mapped_buffer_range(&self, target: u32, offset: i32, length: i32);

    unsafe fn invalidate_buffer_sub_data(&self, target: u32, offset: i32, length: i32);

    unsafe fn invalidate_framebuffer(&self, target: u32, attachments: &[u32]);

    unsafe fn invalidate_sub_framebuffer(
        &self,
        target: u32,
        attachments: &[u32],
        x: i32,
        y: i32,
        width: i32,
        height: i32,
    );

    unsafe fn polygon_offset(&self, factor: f32, units: f32);

    unsafe fn polygon_mode(&self, face: u32, mode: u32);

    unsafe fn finish(&self);

    unsafe fn bind_texture(&self, target: u32, texture: Option<Self::Texture>);

    unsafe fn bind_texture_unit(&self, unit: u32, texture: Option<Self::Texture>);

    unsafe fn bind_sampler(&self, unit: u32, sampler: Option<Self::Sampler>);

    unsafe fn active_texture(&self, unit: u32);

    unsafe fn fence_sync(&self, condition: u32, flags: u32) -> Result<Self::Fence, String>;

    unsafe fn tex_parameter_f32(&self, target: u32, parameter: u32, value: f32);

    unsafe fn tex_parameter_i32(&self, target: u32, parameter: u32, value: i32);

    unsafe fn texture_parameter_i32(&self, texture: Self::Texture, parameter: u32, value: i32);

    unsafe fn tex_parameter_f32_slice(&self, target: u32, parameter: u32, values: &[f32]);

    unsafe fn tex_parameter_i32_slice(&self, target: u32, parameter: u32, values: &[i32]);

    unsafe fn tex_sub_image_2d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        width: i32,
        height: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn texture_sub_image_2d(
        &self,
        texture: Self::Texture,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        width: i32,
        height: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn compressed_tex_sub_image_2d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        width: i32,
        height: i32,
        format: u32,
        pixels: CompressedPixelUnpackData,
    );

    unsafe fn tex_sub_image_3d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        z_offset: i32,
        width: i32,
        height: i32,
        depth: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn texture_sub_image_3d(
        &self,
        texture: Self::Texture,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        z_offset: i32,
        width: i32,
        height: i32,
        depth: i32,
        format: u32,
        ty: u32,
        pixels: PixelUnpackData,
    );

    unsafe fn compressed_tex_sub_image_3d(
        &self,
        target: u32,
        level: i32,
        x_offset: i32,
        y_offset: i32,
        z_offset: i32,
        width: i32,
        height: i32,
        depth: i32,
        format: u32,
        pixels: CompressedPixelUnpackData,
    );

    unsafe fn depth_func(&self, func: u32);

    unsafe fn depth_range_f32(&self, near: f32, far: f32);

    unsafe fn depth_range_f64(&self, near: f64, far: f64);

    unsafe fn depth_range(&self, near: f64, far: f64);

    unsafe fn depth_range_f64_slice(&self, first: u32, count: i32, values: &[[f64; 2]]);

    unsafe fn scissor(&self, x: i32, y: i32, width: i32, height: i32);

    unsafe fn scissor_slice(&self, first: u32, count: i32, scissors: &[[i32; 4]]);

    unsafe fn vertex_array_attrib_binding_f32(
        &self,
        vao: Self::VertexArray,
        index: u32,
        binding_index: u32,
    );

    unsafe fn vertex_array_attrib_format_f32(
        &self,
        vao: Self::VertexArray,
        index: u32,
        size: i32,
        data_type: u32,
        normalized: bool,
        relative_offset: u32,
    );

    unsafe fn vertex_array_attrib_format_i32(
        &self,
        vao: Self::VertexArray,
        index: u32,
        size: i32,
        data_type: u32,
        relative_offset: u32,
    );

    unsafe fn vertex_array_attrib_format_f64(
        &self,
        vao: Self::VertexArray,
        index: u32,
        size: i32,
        data_type: u32,
        relative_offset: u32,
    );

    unsafe fn vertex_array_element_buffer(
        &self,
        vao: Self::VertexArray,
        buffer: Option<Self::Buffer>,
    );

    unsafe fn vertex_array_vertex_buffer(
        &self,
        vao: Self::VertexArray,
        binding_index: u32,
        buffer: Option<Self::Buffer>,
        offset: i32,
        stride: i32,
    );

    unsafe fn vertex_attrib_divisor(&self, index: u32, divisor: u32);

    unsafe fn get_vertex_attrib_parameter_f32_slice(
        &self,
        index: u32,
        pname: u32,
        result: &mut [f32],
    );

    unsafe fn vertex_attrib_pointer_f32(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        normalized: bool,
        stride: i32,
        offset: i32,
    );

    unsafe fn vertex_attrib_pointer_i32(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        stride: i32,
        offset: i32,
    );

    unsafe fn vertex_attrib_pointer_f64(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        stride: i32,
        offset: i32,
    );

    unsafe fn vertex_attrib_format_f32(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        normalized: bool,
        relative_offset: u32,
    );

    unsafe fn vertex_attrib_format_i32(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        relative_offset: u32,
    );

    unsafe fn vertex_attrib_format_f64(
        &self,
        index: u32,
        size: i32,
        data_type: u32,
        relative_offset: u32,
    );

    unsafe fn vertex_attrib_1_f32(&self, index: u32, x: f32);

    unsafe fn vertex_attrib_2_f32(&self, index: u32, x: f32, y: f32);

    unsafe fn vertex_attrib_3_f32(&self, index: u32, x: f32, y: f32, z: f32);

    unsafe fn vertex_attrib_4_f32(&self, index: u32, x: f32, y: f32, z: f32, w: f32);

    unsafe fn vertex_attrib_4_i32(&self, index: u32, x: i32, y: i32, z: i32, w: i32);

    unsafe fn vertex_attrib_4_u32(&self, index: u32, x: u32, y: u32, z: u32, w: u32);

    unsafe fn vertex_attrib_1_f32_slice(&self, index: u32, v: &[f32]);

    unsafe fn vertex_attrib_2_f32_slice(&self, index: u32, v: &[f32]);

    unsafe fn vertex_attrib_3_f32_slice(&self, index: u32, v: &[f32]);

    unsafe fn vertex_attrib_4_f32_slice(&self, index: u32, v: &[f32]);

    unsafe fn vertex_attrib_binding(&self, attrib_index: u32, binding_index: u32);

    unsafe fn vertex_binding_divisor(&self, binding_index: u32, divisor: u32);

    unsafe fn viewport(&self, x: i32, y: i32, width: i32, height: i32);

    unsafe fn viewport_f32_slice(&self, first: u32, count: i32, values: &[[f32; 4]]);

    unsafe fn blend_equation(&self, mode: u32);

    unsafe fn blend_equation_draw_buffer(&self, draw_buffer: u32, mode: u32);

    unsafe fn blend_equation_separate(&self, mode_rgb: u32, mode_alpha: u32);

    unsafe fn blend_equation_separate_draw_buffer(
        &self,
        buffer: u32,
        mode_rgb: u32,
        mode_alpha: u32,
    );

    unsafe fn blend_func(&self, src: u32, dst: u32);

    unsafe fn blend_func_draw_buffer(&self, draw_buffer: u32, src: u32, dst: u32);

    unsafe fn blend_func_separate(
        &self,
        src_rgb: u32,
        dst_rgb: u32,
        src_alpha: u32,
        dst_alpha: u32,
    );

    unsafe fn blend_func_separate_draw_buffer(
        &self,
        draw_buffer: u32,
        src_rgb: u32,
        dst_rgb: u32,
        src_alpha: u32,
        dst_alpha: u32,
    );

    unsafe fn stencil_func(&self, func: u32, reference: i32, mask: u32);

    unsafe fn stencil_func_separate(&self, face: u32, func: u32, reference: i32, mask: u32);

    unsafe fn stencil_mask(&self, mask: u32);

    unsafe fn stencil_mask_separate(&self, face: u32, mask: u32);

    unsafe fn stencil_op(&self, stencil_fail: u32, depth_fail: u32, pass: u32);

    unsafe fn stencil_op_separate(&self, face: u32, stencil_fail: u32, depth_fail: u32, pass: u32);

    unsafe fn debug_message_control(
        &self,
        source: u32,
        msg_type: u32,
        severity: u32,
        ids: &[u32],
        enabled: bool,
    );

    unsafe fn debug_message_insert<S>(
        &self,
        source: u32,
        msg_type: u32,
        id: u32,
        severity: u32,
        msg: S,
    ) where
        S: AsRef<str>;

    unsafe fn debug_message_callback<F>(&mut self, callback: F)
    where
        F: Fn(u32, u32, u32, u32, &str) + Send + Sync + 'static;

    unsafe fn get_debug_message_log(&self, count: u32) -> Vec<DebugMessageLogEntry>;

    unsafe fn push_debug_group<S>(&self, source: u32, id: u32, message: S)
    where
        S: AsRef<str>;

    unsafe fn pop_debug_group(&self);

    unsafe fn object_label<S>(&self, identifier: u32, name: u32, label: Option<S>)
    where
        S: AsRef<str>;

    unsafe fn get_object_label(&self, identifier: u32, name: u32) -> String;

    unsafe fn object_ptr_label<S>(&self, sync: Self::Fence, label: Option<S>)
    where
        S: AsRef<str>;

    unsafe fn get_object_ptr_label(&self, sync: Self::Fence) -> String;

    unsafe fn get_uniform_block_index(&self, program: Self::Program, name: &str) -> Option<u32>;

    unsafe fn get_uniform_indices(
        &self,
        program: Self::Program,
        names: &[&str],
    ) -> Vec<Option<u32>>;

    unsafe fn uniform_block_binding(&self, program: Self::Program, index: u32, binding: u32);

    unsafe fn get_shader_storage_block_index(
        &self,
        program: Self::Program,
        name: &str,
    ) -> Option<u32>;

    unsafe fn shader_storage_block_binding(&self, program: Self::Program, index: u32, binding: u32);

    unsafe fn read_buffer(&self, src: u32);

    unsafe fn named_framebuffer_read_buffer(
        &self,
        framebuffer: Option<Self::Framebuffer>,
        src: u32,
    );

    unsafe fn read_pixels(
        &self,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
        format: u32,
        gltype: u32,
        pixels: PixelPackData,
    );

    unsafe fn begin_query(&self, target: u32, query: Self::Query);

    unsafe fn end_query(&self, target: u32);

    unsafe fn query_counter(&self, query: Self::Query, target: u32);

    unsafe fn get_query_parameter_u32(&self, query: Self::Query, parameter: u32) -> u32;

    unsafe fn get_query_parameter_u64_with_offset(
        &self,
        query: Self::Query,
        parameter: u32,
        offset: usize,
    );

    unsafe fn delete_transform_feedback(&self, transform_feedback: Self::TransformFeedback);

    unsafe fn is_transform_feedback(&self, transform_feedback: Self::TransformFeedback) -> bool;

    unsafe fn create_transform_feedback(&self) -> Result<Self::TransformFeedback, String>;

    unsafe fn bind_transform_feedback(
        &self,
        target: u32,
        transform_feedback: Option<Self::TransformFeedback>,
    );

    unsafe fn begin_transform_feedback(&self, primitive_mode: u32);

    unsafe fn end_transform_feedback(&self);

    unsafe fn pause_transform_feedback(&self);

    unsafe fn resume_transform_feedback(&self);

    unsafe fn transform_feedback_varyings(
        &self,
        program: Self::Program,
        varyings: &[&str],
        buffer_mode: u32,
    );

    unsafe fn get_transform_feedback_varying(
        &self,
        program: Self::Program,
        index: u32,
    ) -> Option<ActiveTransformFeedback>;

    unsafe fn memory_barrier(&self, barriers: u32);

    unsafe fn memory_barrier_by_region(&self, barriers: u32);

    unsafe fn bind_image_texture(
        &self,
        unit: u32,
        texture: Option<Self::Texture>,
        level: i32,
        layered: bool,
        layer: i32,
        access: u32,
        format: u32,
    );

    unsafe fn max_shader_compiler_threads(&self, count: u32);

    unsafe fn hint(&self, target: u32, mode: u32);

    unsafe fn sample_coverage(&self, value: f32, invert: bool);

    unsafe fn get_internal_format_i32_slice(
        &self,
        target: u32,
        internal_format: u32,
        pname: u32,
        result: &mut [i32],
    );
}

/// Returns number of components used by format
pub fn components_per_format(format: u32) -> usize {
    match format {
        RED | GREEN | BLUE => 1,
        RED_INTEGER | GREEN_INTEGER | BLUE_INTEGER => 1,
        ALPHA | LUMINANCE | DEPTH_COMPONENT => 1,
        RG | LUMINANCE_ALPHA => 2,
        RGB | BGR => 3,
        RGBA | BGRA => 4,
        _ => panic!("unsupported format: {:?}", format),
    }
}

/// Returns number of bytes used by pixel type (in one component)
pub fn bytes_per_type(pixel_type: u32) -> usize {
    // per https://www.khronos.org/opengl/wiki/Pixel_Transfer#Pixel_type
    match pixel_type {
        BYTE | UNSIGNED_BYTE => 1,
        SHORT | UNSIGNED_SHORT => 2,
        INT | UNSIGNED_INT => 4,
        HALF_FLOAT | HALF_FLOAT_OES => 2,
        FLOAT => 4,
        _ => panic!("unsupported pixel type: {:?}", pixel_type),
    }
}

pub fn compute_size(width: i32, height: i32, format: u32, pixel_type: u32) -> usize {
    width as usize * height as usize * components_per_format(format) * bytes_per_type(pixel_type)
}

pub const ACTIVE_ATOMIC_COUNTER_BUFFERS: u32 = 0x92D9;

pub const ACTIVE_ATTRIBUTES: u32 = 0x8B89;

pub const ACTIVE_ATTRIBUTE_MAX_LENGTH: u32 = 0x8B8A;

pub const ACTIVE_PROGRAM: u32 = 0x8259;

pub const ACTIVE_RESOURCES: u32 = 0x92F5;

pub const ACTIVE_SUBROUTINES: u32 = 0x8DE5;

pub const ACTIVE_SUBROUTINE_MAX_LENGTH: u32 = 0x8E48;

pub const ACTIVE_SUBROUTINE_UNIFORMS: u32 = 0x8DE6;

pub const ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS: u32 = 0x8E47;

pub const ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH: u32 = 0x8E49;

pub const ACTIVE_TEXTURE: u32 = 0x84E0;

pub const ACTIVE_UNIFORMS: u32 = 0x8B86;

pub const ACTIVE_UNIFORM_BLOCKS: u32 = 0x8A36;

pub const ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH: u32 = 0x8A35;

pub const ACTIVE_UNIFORM_MAX_LENGTH: u32 = 0x8B87;

pub const ACTIVE_VARIABLES: u32 = 0x9305;

pub const ALIASED_LINE_WIDTH_RANGE: u32 = 0x846E;

pub const ALIASED_POINT_SIZE_RANGE: u32 = 0x846D;

pub const ALL_BARRIER_BITS: u32 = 0xFFFFFFFF;

pub const ALL_SHADER_BITS: u32 = 0xFFFFFFFF;

pub const ALPHA: u32 = 0x1906;

pub const ALPHA_BITS: u32 = 0x0D55;

pub const ALREADY_SIGNALED: u32 = 0x911A;

pub const ALWAYS: u32 = 0x0207;

pub const AND: u32 = 0x1501;

pub const AND_INVERTED: u32 = 0x1504;

pub const AND_REVERSE: u32 = 0x1502;

pub const ANY_SAMPLES_PASSED: u32 = 0x8C2F;

pub const ANY_SAMPLES_PASSED_CONSERVATIVE: u32 = 0x8D6A;

pub const ARRAY_BUFFER: u32 = 0x8892;

pub const ARRAY_BUFFER_BINDING: u32 = 0x8894;

pub const ARRAY_SIZE: u32 = 0x92FB;

pub const ARRAY_STRIDE: u32 = 0x92FE;

pub const ATOMIC_COUNTER_BARRIER_BIT: u32 = 0x00001000;

pub const ATOMIC_COUNTER_BUFFER: u32 = 0x92C0;

pub const ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS: u32 = 0x92C5;

pub const ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES: u32 = 0x92C6;

pub const ATOMIC_COUNTER_BUFFER_BINDING: u32 = 0x92C1;

pub const ATOMIC_COUNTER_BUFFER_DATA_SIZE: u32 = 0x92C4;

pub const ATOMIC_COUNTER_BUFFER_INDEX: u32 = 0x9301;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER: u32 = 0x90ED;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER: u32 = 0x92CB;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER: u32 = 0x92CA;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER: u32 = 0x92C8;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER: u32 = 0x92C9;

pub const ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER: u32 = 0x92C7;

pub const ATOMIC_COUNTER_BUFFER_SIZE: u32 = 0x92C3;

pub const ATOMIC_COUNTER_BUFFER_START: u32 = 0x92C2;

pub const ATTACHED_SHADERS: u32 = 0x8B85;

pub const AUTO_GENERATE_MIPMAP: u32 = 0x8295;

pub const BACK: u32 = 0x0405;

pub const BACK_LEFT: u32 = 0x0402;

pub const BACK_RIGHT: u32 = 0x0403;

pub const BGR: u32 = 0x80E0;

pub const BGRA: u32 = 0x80E1;

pub const BGRA_INTEGER: u32 = 0x8D9B;

pub const BGR_INTEGER: u32 = 0x8D9A;

pub const BLEND: u32 = 0x0BE2;

pub const BLEND_COLOR: u32 = 0x8005;

pub const BLEND_DST: u32 = 0x0BE0;

pub const BLEND_DST_ALPHA: u32 = 0x80CA;

pub const BLEND_DST_RGB: u32 = 0x80C8;

pub const BLEND_EQUATION: u32 = 0x8009;

pub const BLEND_EQUATION_ALPHA: u32 = 0x883D;

pub const BLEND_EQUATION_RGB: u32 = 0x8009;

pub const BLEND_SRC: u32 = 0x0BE1;

pub const BLEND_SRC_ALPHA: u32 = 0x80CB;

pub const BLEND_SRC_RGB: u32 = 0x80C9;

pub const BLOCK_INDEX: u32 = 0x92FD;

pub const BLUE: u32 = 0x1905;

pub const BLUE_BITS: u32 = 0x0D54;

pub const BLUE_INTEGER: u32 = 0x8D96;

pub const BOOL: u32 = 0x8B56;

pub const BOOL_VEC2: u32 = 0x8B57;

pub const BOOL_VEC3: u32 = 0x8B58;

pub const BOOL_VEC4: u32 = 0x8B59;

pub const BUFFER: u32 = 0x82E0;

pub const BUFFER_ACCESS: u32 = 0x88BB;

pub const BUFFER_ACCESS_FLAGS: u32 = 0x911F;

pub const BUFFER_BINDING: u32 = 0x9302;

pub const BUFFER_DATA_SIZE: u32 = 0x9303;

pub const BUFFER_IMMUTABLE_STORAGE: u32 = 0x821F;

pub const BUFFER_MAPPED: u32 = 0x88BC;

pub const BUFFER_MAP_LENGTH: u32 = 0x9120;

pub const BUFFER_MAP_OFFSET: u32 = 0x9121;

pub const BUFFER_MAP_POINTER: u32 = 0x88BD;

pub const BUFFER_SIZE: u32 = 0x8764;

pub const BUFFER_STORAGE_FLAGS: u32 = 0x8220;

pub const BUFFER_UPDATE_BARRIER_BIT: u32 = 0x00000200;

pub const BUFFER_USAGE: u32 = 0x8765;

pub const BUFFER_VARIABLE: u32 = 0x92E5;

pub const BYTE: u32 = 0x1400;

pub const CAVEAT_SUPPORT: u32 = 0x82B8;

pub const CCW: u32 = 0x0901;

pub const CLAMP_READ_COLOR: u32 = 0x891C;

pub const CLAMP_TO_BORDER: u32 = 0x812D;

pub const CLAMP_TO_EDGE: u32 = 0x812F;

pub const CLEAR: u32 = 0x1500;

pub const CLEAR_BUFFER: u32 = 0x82B4;

pub const CLEAR_TEXTURE: u32 = 0x9365;

pub const CLIENT_MAPPED_BUFFER_BARRIER_BIT: u32 = 0x00004000;

pub const CLIENT_STORAGE_BIT: u32 = 0x0200;

pub const CLIPPING_INPUT_PRIMITIVES: u32 = 0x82F6;

pub const CLIPPING_OUTPUT_PRIMITIVES: u32 = 0x82F7;

pub const CLIP_DEPTH_MODE: u32 = 0x935D;

pub const CLIP_DISTANCE0: u32 = 0x3000;

pub const CLIP_DISTANCE1: u32 = 0x3001;

pub const CLIP_DISTANCE2: u32 = 0x3002;

pub const CLIP_DISTANCE3: u32 = 0x3003;

pub const CLIP_DISTANCE4: u32 = 0x3004;

pub const CLIP_DISTANCE5: u32 = 0x3005;

pub const CLIP_DISTANCE6: u32 = 0x3006;

pub const CLIP_DISTANCE7: u32 = 0x3007;

pub const CLIP_ORIGIN: u32 = 0x935C;

pub const COLOR: u32 = 0x1800;

pub const COLOR_ATTACHMENT0: u32 = 0x8CE0;

pub const COLOR_ATTACHMENT1: u32 = 0x8CE1;

pub const COLOR_ATTACHMENT10: u32 = 0x8CEA;

pub const COLOR_ATTACHMENT11: u32 = 0x8CEB;

pub const COLOR_ATTACHMENT12: u32 = 0x8CEC;

pub const COLOR_ATTACHMENT13: u32 = 0x8CED;

pub const COLOR_ATTACHMENT14: u32 = 0x8CEE;

pub const COLOR_ATTACHMENT15: u32 = 0x8CEF;

pub const COLOR_ATTACHMENT16: u32 = 0x8CF0;

pub const COLOR_ATTACHMENT17: u32 = 0x8CF1;

pub const COLOR_ATTACHMENT18: u32 = 0x8CF2;

pub const COLOR_ATTACHMENT19: u32 = 0x8CF3;

pub const COLOR_ATTACHMENT2: u32 = 0x8CE2;

pub const COLOR_ATTACHMENT20: u32 = 0x8CF4;

pub const COLOR_ATTACHMENT21: u32 = 0x8CF5;

pub const COLOR_ATTACHMENT22: u32 = 0x8CF6;

pub const COLOR_ATTACHMENT23: u32 = 0x8CF7;

pub const COLOR_ATTACHMENT24: u32 = 0x8CF8;

pub const COLOR_ATTACHMENT25: u32 = 0x8CF9;

pub const COLOR_ATTACHMENT26: u32 = 0x8CFA;

pub const COLOR_ATTACHMENT27: u32 = 0x8CFB;

pub const COLOR_ATTACHMENT28: u32 = 0x8CFC;

pub const COLOR_ATTACHMENT29: u32 = 0x8CFD;

pub const COLOR_ATTACHMENT3: u32 = 0x8CE3;

pub const COLOR_ATTACHMENT30: u32 = 0x8CFE;

pub const COLOR_ATTACHMENT31: u32 = 0x8CFF;

pub const COLOR_ATTACHMENT4: u32 = 0x8CE4;

pub const COLOR_ATTACHMENT5: u32 = 0x8CE5;

pub const COLOR_ATTACHMENT6: u32 = 0x8CE6;

pub const COLOR_ATTACHMENT7: u32 = 0x8CE7;

pub const COLOR_ATTACHMENT8: u32 = 0x8CE8;

pub const COLOR_ATTACHMENT9: u32 = 0x8CE9;

pub const COLOR_BUFFER_BIT: u32 = 0x00004000;

pub const COLOR_CLEAR_VALUE: u32 = 0x0C22;

pub const COLOR_COMPONENTS: u32 = 0x8283;

pub const COLOR_ENCODING: u32 = 0x8296;

pub const COLOR_LOGIC_OP: u32 = 0x0BF2;

pub const COLOR_RENDERABLE: u32 = 0x8286;

pub const COLOR_WRITEMASK: u32 = 0x0C23;

pub const COMMAND_BARRIER_BIT: u32 = 0x00000040;

pub const COMPARE_REF_TO_TEXTURE: u32 = 0x884E;

pub const COMPATIBLE_SUBROUTINES: u32 = 0x8E4B;

pub const COMPILE_STATUS: u32 = 0x8B81;

pub const COMPLETION_STATUS: u32 = 0x91B1;

pub const COMPRESSED_R11_EAC: u32 = 0x9270;

pub const COMPRESSED_RED: u32 = 0x8225;

pub const COMPRESSED_RED_RGTC1: u32 = 0x8DBB;

pub const COMPRESSED_RG: u32 = 0x8226;

pub const COMPRESSED_RG11_EAC: u32 = 0x9272;

pub const COMPRESSED_RGB: u32 = 0x84ED;

pub const COMPRESSED_RGB8_ETC2: u32 = 0x9274;

pub const COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: u32 = 0x9276;

pub const COMPRESSED_RGBA: u32 = 0x84EE;

pub const COMPRESSED_RGBA8_ETC2_EAC: u32 = 0x9278;

pub const COMPRESSED_RGBA_BPTC_UNORM: u32 = 0x8E8C;

pub const COMPRESSED_RGB_BPTC_SIGNED_FLOAT: u32 = 0x8E8E;

pub const COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT: u32 = 0x8E8F;

pub const COMPRESSED_RG_RGTC2: u32 = 0x8DBD;

pub const COMPRESSED_SIGNED_R11_EAC: u32 = 0x9271;

pub const COMPRESSED_SIGNED_RED_RGTC1: u32 = 0x8DBC;

pub const COMPRESSED_SIGNED_RG11_EAC: u32 = 0x9273;

pub const COMPRESSED_SIGNED_RG_RGTC2: u32 = 0x8DBE;

pub const COMPRESSED_SRGB: u32 = 0x8C48;

pub const COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: u32 = 0x9279;

pub const COMPRESSED_SRGB8_ETC2: u32 = 0x9275;

pub const COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: u32 = 0x9277;

pub const COMPRESSED_SRGB_ALPHA: u32 = 0x8C49;

pub const COMPRESSED_SRGB_ALPHA_BPTC_UNORM: u32 = 0x8E8D;

pub const COMPRESSED_RGB_S3TC_DXT1_EXT: u32 = 0x83F0;

pub const COMPRESSED_RGBA_S3TC_DXT1_EXT: u32 = 0x83F1;

pub const COMPRESSED_RGBA_S3TC_DXT3_EXT: u32 = 0x83F2;

pub const COMPRESSED_RGBA_S3TC_DXT5_EXT: u32 = 0x83F3;

pub const COMPRESSED_SRGB_S3TC_DXT1_EXT: u32 = 0x8C4C;

pub const COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: u32 = 0x8C4D;

pub const COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: u32 = 0x8C4E;

pub const COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: u32 = 0x8C4F;

pub const COMPRESSED_RGBA_ASTC_4x4_KHR: u32 = 0x93B0;

pub const COMPRESSED_RGBA_ASTC_5x4_KHR: u32 = 0x93B1;

pub const COMPRESSED_RGBA_ASTC_5x5_KHR: u32 = 0x93B2;

pub const COMPRESSED_RGBA_ASTC_6x5_KHR: u32 = 0x93B3;

pub const COMPRESSED_RGBA_ASTC_6x6_KHR: u32 = 0x93B4;

pub const COMPRESSED_RGBA_ASTC_8x5_KHR: u32 = 0x93B5;

pub const COMPRESSED_RGBA_ASTC_8x6_KHR: u32 = 0x93B6;

pub const COMPRESSED_RGBA_ASTC_8x8_KHR: u32 = 0x93B7;

pub const COMPRESSED_RGBA_ASTC_10x5_KHR: u32 = 0x93B8;

pub const COMPRESSED_RGBA_ASTC_10x6_KHR: u32 = 0x93B9;

pub const COMPRESSED_RGBA_ASTC_10x8_KHR: u32 = 0x93BA;

pub const COMPRESSED_RGBA_ASTC_10x10_KHR: u32 = 0x93BB;

pub const COMPRESSED_RGBA_ASTC_12x10_KHR: u32 = 0x93BC;

pub const COMPRESSED_RGBA_ASTC_12x12_KHR: u32 = 0x93BD;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR: u32 = 0x93D0;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR: u32 = 0x93D1;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR: u32 = 0x93D2;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR: u32 = 0x93D3;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR: u32 = 0x93D4;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR: u32 = 0x93D5;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR: u32 = 0x93D6;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR: u32 = 0x93D7;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR: u32 = 0x93D8;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR: u32 = 0x93D9;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR: u32 = 0x93DA;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR: u32 = 0x93DB;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR: u32 = 0x93DC;

pub const COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: u32 = 0x93DD;

pub const COMPRESSED_TEXTURE_FORMATS: u32 = 0x86A3;

pub const COMPUTE_SHADER: u32 = 0x91B9;

pub const COMPUTE_SHADER_BIT: u32 = 0x00000020;

pub const COMPUTE_SHADER_INVOCATIONS: u32 = 0x82F5;

pub const COMPUTE_SUBROUTINE: u32 = 0x92ED;

pub const COMPUTE_SUBROUTINE_UNIFORM: u32 = 0x92F3;

pub const COMPUTE_TEXTURE: u32 = 0x82A0;

pub const COMPUTE_WORK_GROUP_SIZE: u32 = 0x8267;

pub const CONDITION_SATISFIED: u32 = 0x911C;

pub const CONSTANT_ALPHA: u32 = 0x8003;

pub const CONSTANT_COLOR: u32 = 0x8001;

pub const CONTEXT_COMPATIBILITY_PROFILE_BIT: u32 = 0x00000002;

pub const CONTEXT_CORE_PROFILE_BIT: u32 = 0x00000001;

pub const CONTEXT_FLAGS: u32 = 0x821E;

pub const CONTEXT_FLAG_DEBUG_BIT: u32 = 0x00000002;

pub const CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT: u32 = 0x00000001;

pub const CONTEXT_FLAG_NO_ERROR_BIT: u32 = 0x00000008;

pub const CONTEXT_FLAG_ROBUST_ACCESS_BIT: u32 = 0x00000004;

pub const CONTEXT_LOST: u32 = 0x0507;

pub const CONTEXT_PROFILE_MASK: u32 = 0x9126;

pub const CONTEXT_RELEASE_BEHAVIOR: u32 = 0x82FB;

pub const CONTEXT_RELEASE_BEHAVIOR_FLUSH: u32 = 0x82FC;

pub const COPY: u32 = 0x1503;

pub const COPY_INVERTED: u32 = 0x150C;

pub const COPY_READ_BUFFER: u32 = 0x8F36;

pub const COPY_READ_BUFFER_BINDING: u32 = 0x8F36;

pub const COPY_WRITE_BUFFER: u32 = 0x8F37;

pub const COPY_WRITE_BUFFER_BINDING: u32 = 0x8F37;

pub const CULL_FACE: u32 = 0x0B44;

pub const CULL_FACE_MODE: u32 = 0x0B45;

pub const CURRENT_PROGRAM: u32 = 0x8B8D;

pub const CURRENT_QUERY: u32 = 0x8865;

pub const CURRENT_VERTEX_ATTRIB: u32 = 0x8626;

pub const CW: u32 = 0x0900;

pub const DEBUG_CALLBACK_FUNCTION: u32 = 0x8244;

pub const DEBUG_CALLBACK_USER_PARAM: u32 = 0x8245;

pub const DEBUG_GROUP_STACK_DEPTH: u32 = 0x826D;

pub const DEBUG_LOGGED_MESSAGES: u32 = 0x9145;

pub const DEBUG_NEXT_LOGGED_MESSAGE_LENGTH: u32 = 0x8243;

pub const DEBUG_OUTPUT: u32 = 0x92E0;

pub const DEBUG_OUTPUT_SYNCHRONOUS: u32 = 0x8242;

pub const DEBUG_SEVERITY_HIGH: u32 = 0x9146;

pub const DEBUG_SEVERITY_LOW: u32 = 0x9148;

pub const DEBUG_SEVERITY_MEDIUM: u32 = 0x9147;

pub const DEBUG_SEVERITY_NOTIFICATION: u32 = 0x826B;

pub const DEBUG_SOURCE_API: u32 = 0x8246;

pub const DEBUG_SOURCE_APPLICATION: u32 = 0x824A;

pub const DEBUG_SOURCE_OTHER: u32 = 0x824B;

pub const DEBUG_SOURCE_SHADER_COMPILER: u32 = 0x8248;

pub const DEBUG_SOURCE_THIRD_PARTY: u32 = 0x8249;

pub const DEBUG_SOURCE_WINDOW_SYSTEM: u32 = 0x8247;

pub const DEBUG_TYPE_DEPRECATED_BEHAVIOR: u32 = 0x824D;

pub const DEBUG_TYPE_ERROR: u32 = 0x824C;

pub const DEBUG_TYPE_MARKER: u32 = 0x8268;

pub const DEBUG_TYPE_OTHER: u32 = 0x8251;

pub const DEBUG_TYPE_PERFORMANCE: u32 = 0x8250;

pub const DEBUG_TYPE_POP_GROUP: u32 = 0x826A;

pub const DEBUG_TYPE_PORTABILITY: u32 = 0x824F;

pub const DEBUG_TYPE_PUSH_GROUP: u32 = 0x8269;

pub const DEBUG_TYPE_UNDEFINED_BEHAVIOR: u32 = 0x824E;

pub const DECR: u32 = 0x1E03;

pub const DECR_WRAP: u32 = 0x8508;

pub const DELETE_STATUS: u32 = 0x8B80;

pub const DEPTH: u32 = 0x1801;

pub const DEPTH24_STENCIL8: u32 = 0x88F0;

pub const DEPTH32F_STENCIL8: u32 = 0x8CAD;

pub const DEPTH_ATTACHMENT: u32 = 0x8D00;

pub const DEPTH_BITS: u32 = 0x0D56;

pub const DEPTH_BUFFER_BIT: u32 = 0x00000100;

pub const DEPTH_CLAMP: u32 = 0x864F;

pub const DEPTH_CLEAR_VALUE: u32 = 0x0B73;

pub const DEPTH_COMPONENT: u32 = 0x1902;

pub const DEPTH_COMPONENT16: u32 = 0x81A5;

pub const DEPTH_COMPONENT24: u32 = 0x81A6;

pub const DEPTH_COMPONENT32: u32 = 0x81A7;

pub const DEPTH_COMPONENT32F: u32 = 0x8CAC;

pub const DEPTH_COMPONENTS: u32 = 0x8284;

pub const DEPTH_FUNC: u32 = 0x0B74;

pub const DEPTH_RANGE: u32 = 0x0B70;

pub const DEPTH_RENDERABLE: u32 = 0x8287;

pub const DEPTH_STENCIL: u32 = 0x84F9;

pub const DEPTH_STENCIL_ATTACHMENT: u32 = 0x821A;

pub const DEPTH_STENCIL_TEXTURE_MODE: u32 = 0x90EA;

pub const DEPTH_TEST: u32 = 0x0B71;

pub const DEPTH_WRITEMASK: u32 = 0x0B72;

pub const DISPATCH_INDIRECT_BUFFER: u32 = 0x90EE;

pub const DISPATCH_INDIRECT_BUFFER_BINDING: u32 = 0x90EF;

pub const DISPLAY_LIST: u32 = 0x82E7;

pub const DITHER: u32 = 0x0BD0;

pub const DONT_CARE: u32 = 0x1100;

pub const DOUBLE: u32 = 0x140A;

pub const DOUBLEBUFFER: u32 = 0x0C32;

pub const DOUBLE_MAT2: u32 = 0x8F46;

pub const DOUBLE_MAT2x3: u32 = 0x8F49;

pub const DOUBLE_MAT2x4: u32 = 0x8F4A;

pub const DOUBLE_MAT3: u32 = 0x8F47;

pub const DOUBLE_MAT3x2: u32 = 0x8F4B;

pub const DOUBLE_MAT3x4: u32 = 0x8F4C;

pub const DOUBLE_MAT4: u32 = 0x8F48;

pub const DOUBLE_MAT4x2: u32 = 0x8F4D;

pub const DOUBLE_MAT4x3: u32 = 0x8F4E;

pub const DOUBLE_VEC2: u32 = 0x8FFC;

pub const DOUBLE_VEC3: u32 = 0x8FFD;

pub const DOUBLE_VEC4: u32 = 0x8FFE;

pub const DRAW_BUFFER: u32 = 0x0C01;

pub const DRAW_BUFFER0: u32 = 0x8825;

pub const DRAW_BUFFER1: u32 = 0x8826;

pub const DRAW_BUFFER10: u32 = 0x882F;

pub const DRAW_BUFFER11: u32 = 0x8830;

pub const DRAW_BUFFER12: u32 = 0x8831;

pub const DRAW_BUFFER13: u32 = 0x8832;

pub const DRAW_BUFFER14: u32 = 0x8833;

pub const DRAW_BUFFER15: u32 = 0x8834;

pub const DRAW_BUFFER2: u32 = 0x8827;

pub const DRAW_BUFFER3: u32 = 0x8828;

pub const DRAW_BUFFER4: u32 = 0x8829;

pub const DRAW_BUFFER5: u32 = 0x882A;

pub const DRAW_BUFFER6: u32 = 0x882B;

pub const DRAW_BUFFER7: u32 = 0x882C;

pub const DRAW_BUFFER8: u32 = 0x882D;

pub const DRAW_BUFFER9: u32 = 0x882E;

pub const DRAW_FRAMEBUFFER: u32 = 0x8CA9;

pub const DRAW_FRAMEBUFFER_BINDING: u32 = 0x8CA6;

pub const DRAW_INDIRECT_BUFFER: u32 = 0x8F3F;

pub const DRAW_INDIRECT_BUFFER_BINDING: u32 = 0x8F43;

pub const DST_ALPHA: u32 = 0x0304;

pub const DST_COLOR: u32 = 0x0306;

pub const DYNAMIC_COPY: u32 = 0x88EA;

pub const DYNAMIC_DRAW: u32 = 0x88E8;

pub const DYNAMIC_READ: u32 = 0x88E9;

pub const DYNAMIC_STORAGE_BIT: u32 = 0x0100;

pub const ELEMENT_ARRAY_BARRIER_BIT: u32 = 0x00000002;

pub const ELEMENT_ARRAY_BUFFER: u32 = 0x8893;

pub const ELEMENT_ARRAY_BUFFER_BINDING: u32 = 0x8895;

pub const EQUAL: u32 = 0x0202;

pub const EQUIV: u32 = 0x1509;

pub const EXTENSIONS: u32 = 0x1F03;

pub const FALSE: u8 = 0;

pub const FASTEST: u32 = 0x1101;

pub const FILL: u32 = 0x1B02;

pub const FILTER: u32 = 0x829A;

pub const FIRST_VERTEX_CONVENTION: u32 = 0x8E4D;

pub const FIXED: u32 = 0x140C;

pub const FIXED_ONLY: u32 = 0x891D;

pub const FLOAT: u32 = 0x1406;

pub const FLOAT_32_UNSIGNED_INT_24_8_REV: u32 = 0x8DAD;

pub const FLOAT_MAT2: u32 = 0x8B5A;

pub const FLOAT_MAT2x3: u32 = 0x8B65;

pub const FLOAT_MAT2x4: u32 = 0x8B66;

pub const FLOAT_MAT3: u32 = 0x8B5B;

pub const FLOAT_MAT3x2: u32 = 0x8B67;

pub const FLOAT_MAT3x4: u32 = 0x8B68;

pub const FLOAT_MAT4: u32 = 0x8B5C;

pub const FLOAT_MAT4x2: u32 = 0x8B69;

pub const FLOAT_MAT4x3: u32 = 0x8B6A;

pub const FLOAT_VEC2: u32 = 0x8B50;

pub const FLOAT_VEC3: u32 = 0x8B51;

pub const FLOAT_VEC4: u32 = 0x8B52;

pub const FRACTIONAL_EVEN: u32 = 0x8E7C;

pub const FRACTIONAL_ODD: u32 = 0x8E7B;

pub const FRAGMENT_INTERPOLATION_OFFSET_BITS: u32 = 0x8E5D;

pub const FRAGMENT_SHADER: u32 = 0x8B30;

pub const FRAGMENT_SHADER_BIT: u32 = 0x00000002;

pub const FRAGMENT_SHADER_DERIVATIVE_HINT: u32 = 0x8B8B;

pub const FRAGMENT_SHADER_INVOCATIONS: u32 = 0x82F4;

pub const FRAGMENT_SUBROUTINE: u32 = 0x92EC;

pub const FRAGMENT_SUBROUTINE_UNIFORM: u32 = 0x92F2;

pub const FRAGMENT_TEXTURE: u32 = 0x829F;

pub const FRAMEBUFFER: u32 = 0x8D40;

pub const FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: u32 = 0x8215;

pub const FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: u32 = 0x8214;

pub const FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: u32 = 0x8210;

pub const FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: u32 = 0x8211;

pub const FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: u32 = 0x8216;

pub const FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: u32 = 0x8213;

pub const FRAMEBUFFER_ATTACHMENT_LAYERED: u32 = 0x8DA7;

pub const FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: u32 = 0x8CD1;

pub const FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: u32 = 0x8CD0;

pub const FRAMEBUFFER_ATTACHMENT_RED_SIZE: u32 = 0x8212;

pub const FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: u32 = 0x8217;

pub const FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: u32 = 0x8CD3;

pub const FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: u32 = 0x8CD4;

pub const FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: u32 = 0x8CD2;

pub const FRAMEBUFFER_BARRIER_BIT: u32 = 0x00000400;

pub const FRAMEBUFFER_BINDING: u32 = 0x8CA6;

pub const FRAMEBUFFER_BLEND: u32 = 0x828B;

pub const FRAMEBUFFER_COMPLETE: u32 = 0x8CD5;

pub const FRAMEBUFFER_DEFAULT: u32 = 0x8218;

pub const FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS: u32 = 0x9314;

pub const FRAMEBUFFER_DEFAULT_HEIGHT: u32 = 0x9311;

pub const FRAMEBUFFER_DEFAULT_LAYERS: u32 = 0x9312;

pub const FRAMEBUFFER_DEFAULT_SAMPLES: u32 = 0x9313;

pub const FRAMEBUFFER_DEFAULT_WIDTH: u32 = 0x9310;

pub const FRAMEBUFFER_INCOMPLETE_ATTACHMENT: u32 = 0x8CD6;

pub const FRAMEBUFFER_INCOMPLETE_DIMENSIONS: u32 = 0x8CD9;

pub const FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER: u32 = 0x8CDB;

pub const FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS: u32 = 0x8DA8;

pub const FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: u32 = 0x8CD7;

pub const FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: u32 = 0x8D56;

pub const FRAMEBUFFER_INCOMPLETE_READ_BUFFER: u32 = 0x8CDC;

pub const FRAMEBUFFER_RENDERABLE: u32 = 0x8289;

pub const FRAMEBUFFER_RENDERABLE_LAYERED: u32 = 0x828A;

pub const FRAMEBUFFER_SRGB: u32 = 0x8DB9;

pub const FRAMEBUFFER_UNDEFINED: u32 = 0x8219;

pub const FRAMEBUFFER_UNSUPPORTED: u32 = 0x8CDD;

pub const FRONT: u32 = 0x0404;

pub const FRONT_AND_BACK: u32 = 0x0408;

pub const FRONT_FACE: u32 = 0x0B46;

pub const FRONT_LEFT: u32 = 0x0400;

pub const FRONT_RIGHT: u32 = 0x0401;

pub const FULL_SUPPORT: u32 = 0x82B7;

pub const FUNC_ADD: u32 = 0x8006;

pub const FUNC_REVERSE_SUBTRACT: u32 = 0x800B;

pub const FUNC_SUBTRACT: u32 = 0x800A;

pub const GENERATE_MIPMAP_HINT: u32 = 0x8192;

pub const GEOMETRY_INPUT_TYPE: u32 = 0x8917;

pub const GEOMETRY_OUTPUT_TYPE: u32 = 0x8918;

pub const GEOMETRY_SHADER: u32 = 0x8DD9;

pub const GEOMETRY_SHADER_BIT: u32 = 0x00000004;

pub const GEOMETRY_SHADER_INVOCATIONS: u32 = 0x887F;

pub const GEOMETRY_SHADER_PRIMITIVES_EMITTED: u32 = 0x82F3;

pub const GEOMETRY_SUBROUTINE: u32 = 0x92EB;

pub const GEOMETRY_SUBROUTINE_UNIFORM: u32 = 0x92F1;

pub const GEOMETRY_TEXTURE: u32 = 0x829E;

pub const GEOMETRY_VERTICES_OUT: u32 = 0x8916;

pub const GEQUAL: u32 = 0x0206;

pub const GET_TEXTURE_IMAGE_FORMAT: u32 = 0x8291;

pub const GET_TEXTURE_IMAGE_TYPE: u32 = 0x8292;

pub const GREATER: u32 = 0x0204;

pub const GREEN: u32 = 0x1904;

pub const GREEN_BITS: u32 = 0x0D53;

pub const GREEN_INTEGER: u32 = 0x8D95;

pub const GUILTY_CONTEXT_RESET: u32 = 0x8253;

pub const HALF_FLOAT_OES: u32 = 0x8D61;

pub const HALF_FLOAT: u32 = 0x140B;

pub const HIGH_FLOAT: u32 = 0x8DF2;

pub const HIGH_INT: u32 = 0x8DF5;

pub const IMAGE_1D: u32 = 0x904C;

pub const IMAGE_1D_ARRAY: u32 = 0x9052;

pub const IMAGE_2D: u32 = 0x904D;

pub const IMAGE_2D_ARRAY: u32 = 0x9053;

pub const IMAGE_2D_MULTISAMPLE: u32 = 0x9055;

pub const IMAGE_2D_MULTISAMPLE_ARRAY: u32 = 0x9056;

pub const IMAGE_2D_RECT: u32 = 0x904F;

pub const IMAGE_3D: u32 = 0x904E;

pub const IMAGE_BINDING_ACCESS: u32 = 0x8F3E;

pub const IMAGE_BINDING_FORMAT: u32 = 0x906E;

pub const IMAGE_BINDING_LAYER: u32 = 0x8F3D;

pub const IMAGE_BINDING_LAYERED: u32 = 0x8F3C;

pub const IMAGE_BINDING_LEVEL: u32 = 0x8F3B;

pub const IMAGE_BINDING_NAME: u32 = 0x8F3A;

pub const IMAGE_BUFFER: u32 = 0x9051;

pub const IMAGE_CLASS_10_10_10_2: u32 = 0x82C3;

pub const IMAGE_CLASS_11_11_10: u32 = 0x82C2;

pub const IMAGE_CLASS_1_X_16: u32 = 0x82BE;

pub const IMAGE_CLASS_1_X_32: u32 = 0x82BB;

pub const IMAGE_CLASS_1_X_8: u32 = 0x82C1;

pub const IMAGE_CLASS_2_X_16: u32 = 0x82BD;

pub const IMAGE_CLASS_2_X_32: u32 = 0x82BA;

pub const IMAGE_CLASS_2_X_8: u32 = 0x82C0;

pub const IMAGE_CLASS_4_X_16: u32 = 0x82BC;

pub const IMAGE_CLASS_4_X_32: u32 = 0x82B9;

pub const IMAGE_CLASS_4_X_8: u32 = 0x82BF;

pub const IMAGE_COMPATIBILITY_CLASS: u32 = 0x82A8;

pub const IMAGE_CUBE: u32 = 0x9050;

pub const IMAGE_CUBE_MAP_ARRAY: u32 = 0x9054;

pub const IMAGE_FORMAT_COMPATIBILITY_BY_CLASS: u32 = 0x90C9;

pub const IMAGE_FORMAT_COMPATIBILITY_BY_SIZE: u32 = 0x90C8;

pub const IMAGE_FORMAT_COMPATIBILITY_TYPE: u32 = 0x90C7;

pub const IMAGE_PIXEL_FORMAT: u32 = 0x82A9;

pub const IMAGE_PIXEL_TYPE: u32 = 0x82AA;

pub const IMAGE_TEXEL_SIZE: u32 = 0x82A7;

pub const IMPLEMENTATION_COLOR_READ_FORMAT: u32 = 0x8B9B;

pub const IMPLEMENTATION_COLOR_READ_TYPE: u32 = 0x8B9A;

pub const INCR: u32 = 0x1E02;

pub const INCR_WRAP: u32 = 0x8507;

pub const INDEX: u32 = 0x8222;

pub const INFO_LOG_LENGTH: u32 = 0x8B84;

pub const INNOCENT_CONTEXT_RESET: u32 = 0x8254;

pub const INT: u32 = 0x1404;

pub const INTERLEAVED_ATTRIBS: u32 = 0x8C8C;

pub const INTERNALFORMAT_ALPHA_SIZE: u32 = 0x8274;

pub const INTERNALFORMAT_ALPHA_TYPE: u32 = 0x827B;

pub const INTERNALFORMAT_BLUE_SIZE: u32 = 0x8273;

pub const INTERNALFORMAT_BLUE_TYPE: u32 = 0x827A;

pub const INTERNALFORMAT_DEPTH_SIZE: u32 = 0x8275;

pub const INTERNALFORMAT_DEPTH_TYPE: u32 = 0x827C;

pub const INTERNALFORMAT_GREEN_SIZE: u32 = 0x8272;

pub const INTERNALFORMAT_GREEN_TYPE: u32 = 0x8279;

pub const INTERNALFORMAT_PREFERRED: u32 = 0x8270;

pub const INTERNALFORMAT_RED_SIZE: u32 = 0x8271;

pub const INTERNALFORMAT_RED_TYPE: u32 = 0x8278;

pub const INTERNALFORMAT_SHARED_SIZE: u32 = 0x8277;

pub const INTERNALFORMAT_STENCIL_SIZE: u32 = 0x8276;

pub const INTERNALFORMAT_STENCIL_TYPE: u32 = 0x827D;

pub const INTERNALFORMAT_SUPPORTED: u32 = 0x826F;

pub const INT_2_10_10_10_REV: u32 = 0x8D9F;

pub const INT_IMAGE_1D: u32 = 0x9057;

pub const INT_IMAGE_1D_ARRAY: u32 = 0x905D;

pub const INT_IMAGE_2D: u32 = 0x9058;

pub const INT_IMAGE_2D_ARRAY: u32 = 0x905E;

pub const INT_IMAGE_2D_MULTISAMPLE: u32 = 0x9060;

pub const INT_IMAGE_2D_MULTISAMPLE_ARRAY: u32 = 0x9061;

pub const INT_IMAGE_2D_RECT: u32 = 0x905A;

pub const INT_IMAGE_3D: u32 = 0x9059;

pub const INT_IMAGE_BUFFER: u32 = 0x905C;

pub const INT_IMAGE_CUBE: u32 = 0x905B;

pub const INT_IMAGE_CUBE_MAP_ARRAY: u32 = 0x905F;

pub const INT_SAMPLER_1D: u32 = 0x8DC9;

pub const INT_SAMPLER_1D_ARRAY: u32 = 0x8DCE;

pub const INT_SAMPLER_2D: u32 = 0x8DCA;

pub const INT_SAMPLER_2D_ARRAY: u32 = 0x8DCF;

pub const INT_SAMPLER_2D_MULTISAMPLE: u32 = 0x9109;

pub const INT_SAMPLER_2D_MULTISAMPLE_ARRAY: u32 = 0x910C;

pub const INT_SAMPLER_2D_RECT: u32 = 0x8DCD;

pub const INT_SAMPLER_3D: u32 = 0x8DCB;

pub const INT_SAMPLER_BUFFER: u32 = 0x8DD0;

pub const INT_SAMPLER_CUBE: u32 = 0x8DCC;

pub const INT_SAMPLER_CUBE_MAP_ARRAY: u32 = 0x900E;

pub const INT_VEC2: u32 = 0x8B53;

pub const INT_VEC3: u32 = 0x8B54;

pub const INT_VEC4: u32 = 0x8B55;

pub const INVALID_ENUM: u32 = 0x0500;

pub const INVALID_FRAMEBUFFER_OPERATION: u32 = 0x0506;

pub const INVALID_INDEX: u32 = 0xFFFFFFFF;

pub const INVALID_OPERATION: u32 = 0x0502;

pub const INVALID_VALUE: u32 = 0x0501;

pub const INVERT: u32 = 0x150A;

pub const ISOLINES: u32 = 0x8E7A;

pub const IS_PER_PATCH: u32 = 0x92E7;

pub const IS_ROW_MAJOR: u32 = 0x9300;

pub const KEEP: u32 = 0x1E00;

pub const LAST_VERTEX_CONVENTION: u32 = 0x8E4E;

pub const LAYER_PROVOKING_VERTEX: u32 = 0x825E;

pub const LEFT: u32 = 0x0406;

pub const LEQUAL: u32 = 0x0203;

pub const LESS: u32 = 0x0201;

pub const LINE: u32 = 0x1B01;

pub const LINEAR: u32 = 0x2601;

pub const LINEAR_MIPMAP_LINEAR: u32 = 0x2703;

pub const LINEAR_MIPMAP_NEAREST: u32 = 0x2701;

pub const LINES: u32 = 0x0001;

pub const LINES_ADJACENCY: u32 = 0x000A;

pub const LINE_LOOP: u32 = 0x0002;

pub const LINE_SMOOTH: u32 = 0x0B20;

pub const LINE_SMOOTH_HINT: u32 = 0x0C52;

pub const LINE_STRIP: u32 = 0x0003;

pub const LINE_STRIP_ADJACENCY: u32 = 0x000B;

pub const LINE_WIDTH: u32 = 0x0B21;

pub const LINE_WIDTH_GRANULARITY: u32 = 0x0B23;

pub const LINE_WIDTH_RANGE: u32 = 0x0B22;

pub const LINK_STATUS: u32 = 0x8B82;

pub const LOCATION: u32 = 0x930E;

pub const LOCATION_COMPONENT: u32 = 0x934A;

pub const LOCATION_INDEX: u32 = 0x930F;

pub const LOGIC_OP_MODE: u32 = 0x0BF0;

pub const LOSE_CONTEXT_ON_RESET: u32 = 0x8252;

pub const LOWER_LEFT: u32 = 0x8CA1;

pub const LOW_FLOAT: u32 = 0x8DF0;

pub const LOW_INT: u32 = 0x8DF3;

pub const LUMINANCE: u32 = 0x1909;

pub const LUMINANCE_ALPHA: u32 = 0x190A;

pub const MAJOR_VERSION: u32 = 0x821B;

pub const MANUAL_GENERATE_MIPMAP: u32 = 0x8294;

pub const MAP_COHERENT_BIT: u32 = 0x0080;

pub const MAP_FLUSH_EXPLICIT_BIT: u32 = 0x0010;

pub const MAP_INVALIDATE_BUFFER_BIT: u32 = 0x0008;

pub const MAP_INVALIDATE_RANGE_BIT: u32 = 0x0004;

pub const MAP_PERSISTENT_BIT: u32 = 0x0040;

pub const MAP_READ_BIT: u32 = 0x0001;

pub const MAP_UNSYNCHRONIZED_BIT: u32 = 0x0020;

pub const MAP_WRITE_BIT: u32 = 0x0002;

pub const MATRIX_STRIDE: u32 = 0x92FF;

pub const MAX: u32 = 0x8008;

pub const MAX_3D_TEXTURE_SIZE: u32 = 0x8073;

pub const MAX_ARRAY_TEXTURE_LAYERS: u32 = 0x88FF;

pub const MAX_ATOMIC_COUNTER_BUFFER_BINDINGS: u32 = 0x92DC;

pub const MAX_ATOMIC_COUNTER_BUFFER_SIZE: u32 = 0x92D8;

pub const MAX_CLIP_DISTANCES: u32 = 0x0D32;

pub const MAX_COLOR_ATTACHMENTS: u32 = 0x8CDF;

pub const MAX_COLOR_TEXTURE_SAMPLES: u32 = 0x910E;

pub const MAX_COMBINED_ATOMIC_COUNTERS: u32 = 0x92D7;

pub const MAX_COMBINED_ATOMIC_COUNTER_BUFFERS: u32 = 0x92D1;

pub const MAX_COMBINED_CLIP_AND_CULL_DISTANCES: u32 = 0x82FA;

pub const MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS: u32 = 0x8266;

pub const MAX_COMBINED_DIMENSIONS: u32 = 0x8282;

pub const MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: u32 = 0x8A33;

pub const MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS: u32 = 0x8A32;

pub const MAX_COMBINED_IMAGE_UNIFORMS: u32 = 0x90CF;

pub const MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS: u32 = 0x8F39;

pub const MAX_COMBINED_SHADER_OUTPUT_RESOURCES: u32 = 0x8F39;

pub const MAX_COMBINED_SHADER_STORAGE_BLOCKS: u32 = 0x90DC;

pub const MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS: u32 = 0x8E1E;

pub const MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS: u32 = 0x8E1F;

pub const MAX_COMBINED_TEXTURE_IMAGE_UNITS: u32 = 0x8B4D;

pub const MAX_COMBINED_UNIFORM_BLOCKS: u32 = 0x8A2E;

pub const MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS: u32 = 0x8A31;

pub const MAX_COMPUTE_ATOMIC_COUNTERS: u32 = 0x8265;

pub const MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS: u32 = 0x8264;

pub const MAX_COMPUTE_IMAGE_UNIFORMS: u32 = 0x91BD;

pub const MAX_COMPUTE_SHADER_STORAGE_BLOCKS: u32 = 0x90DB;

pub const MAX_COMPUTE_SHARED_MEMORY_SIZE: u32 = 0x8262;

pub const MAX_COMPUTE_TEXTURE_IMAGE_UNITS: u32 = 0x91BC;

pub const MAX_COMPUTE_UNIFORM_BLOCKS: u32 = 0x91BB;

pub const MAX_COMPUTE_UNIFORM_COMPONENTS: u32 = 0x8263;

pub const MAX_COMPUTE_WORK_GROUP_COUNT: u32 = 0x91BE;

pub const MAX_COMPUTE_WORK_GROUP_INVOCATIONS: u32 = 0x90EB;

pub const MAX_COMPUTE_WORK_GROUP_SIZE: u32 = 0x91BF;

pub const MAX_CUBE_MAP_TEXTURE_SIZE: u32 = 0x851C;

pub const MAX_CULL_DISTANCES: u32 = 0x82F9;

pub const MAX_DEBUG_GROUP_STACK_DEPTH: u32 = 0x826C;

pub const MAX_DEBUG_LOGGED_MESSAGES: u32 = 0x9144;

pub const MAX_DEBUG_MESSAGE_LENGTH: u32 = 0x9143;

pub const MAX_DEPTH: u32 = 0x8280;

pub const MAX_DEPTH_TEXTURE_SAMPLES: u32 = 0x910F;

pub const MAX_DRAW_BUFFERS: u32 = 0x8824;

pub const MAX_DUAL_SOURCE_DRAW_BUFFERS: u32 = 0x88FC;

pub const MAX_ELEMENTS_INDICES: u32 = 0x80E9;

pub const MAX_ELEMENTS_VERTICES: u32 = 0x80E8;

pub const MAX_ELEMENT_INDEX: u32 = 0x8D6B;

pub const MAX_FRAGMENT_ATOMIC_COUNTERS: u32 = 0x92D6;

pub const MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS: u32 = 0x92D0;

pub const MAX_FRAGMENT_IMAGE_UNIFORMS: u32 = 0x90CE;

pub const MAX_FRAGMENT_INPUT_COMPONENTS: u32 = 0x9125;

pub const MAX_FRAGMENT_INTERPOLATION_OFFSET: u32 = 0x8E5C;

pub const MAX_FRAGMENT_SHADER_STORAGE_BLOCKS: u32 = 0x90DA;

pub const MAX_FRAGMENT_UNIFORM_BLOCKS: u32 = 0x8A2D;

pub const MAX_FRAGMENT_UNIFORM_COMPONENTS: u32 = 0x8B49;

pub const MAX_FRAGMENT_UNIFORM_VECTORS: u32 = 0x8DFD;

pub const MAX_FRAMEBUFFER_HEIGHT: u32 = 0x9316;

pub const MAX_FRAMEBUFFER_LAYERS: u32 = 0x9317;

pub const MAX_FRAMEBUFFER_SAMPLES: u32 = 0x9318;

pub const MAX_FRAMEBUFFER_WIDTH: u32 = 0x9315;

pub const MAX_GEOMETRY_ATOMIC_COUNTERS: u32 = 0x92D5;

pub const MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS: u32 = 0x92CF;

pub const MAX_GEOMETRY_IMAGE_UNIFORMS: u32 = 0x90CD;

pub const MAX_GEOMETRY_INPUT_COMPONENTS: u32 = 0x9123;

pub const MAX_GEOMETRY_OUTPUT_COMPONENTS: u32 = 0x9124;

pub const MAX_GEOMETRY_OUTPUT_VERTICES: u32 = 0x8DE0;

pub const MAX_GEOMETRY_SHADER_INVOCATIONS: u32 = 0x8E5A;

pub const MAX_GEOMETRY_SHADER_STORAGE_BLOCKS: u32 = 0x90D7;

pub const MAX_GEOMETRY_TEXTURE_IMAGE_UNITS: u32 = 0x8C29;

pub const MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: u32 = 0x8DE1;

pub const MAX_GEOMETRY_UNIFORM_BLOCKS: u32 = 0x8A2C;

pub const MAX_GEOMETRY_UNIFORM_COMPONENTS: u32 = 0x8DDF;

pub const MAX_HEIGHT: u32 = 0x827F;

pub const MAX_IMAGE_SAMPLES: u32 = 0x906D;

pub const MAX_IMAGE_UNITS: u32 = 0x8F38;

pub const MAX_INTEGER_SAMPLES: u32 = 0x9110;

pub const MAX_LABEL_LENGTH: u32 = 0x82E8;

pub const MAX_LAYERS: u32 = 0x8281;

pub const MAX_NAME_LENGTH: u32 = 0x92F6;

pub const MAX_NUM_ACTIVE_VARIABLES: u32 = 0x92F7;

pub const MAX_NUM_COMPATIBLE_SUBROUTINES: u32 = 0x92F8;

pub const MAX_PATCH_VERTICES: u32 = 0x8E7D;

pub const MAX_PROGRAM_TEXEL_OFFSET: u32 = 0x8905;

pub const MAX_PROGRAM_TEXTURE_GATHER_OFFSET: u32 = 0x8E5F;

pub const MAX_RECTANGLE_TEXTURE_SIZE: u32 = 0x84F8;

pub const MAX_RENDERBUFFER_SIZE: u32 = 0x84E8;

pub const MAX_SAMPLES: u32 = 0x8D57;

pub const MAX_SAMPLE_MASK_WORDS: u32 = 0x8E59;

pub const MAX_SERVER_WAIT_TIMEOUT: u32 = 0x9111;

pub const MAX_SHADER_COMPILER_THREADS: u32 = 0x91B0;

pub const MAX_SHADER_STORAGE_BLOCK_SIZE: u32 = 0x90DE;

pub const MAX_SHADER_STORAGE_BUFFER_BINDINGS: u32 = 0x90DD;

pub const MAX_SUBROUTINES: u32 = 0x8DE7;

pub const MAX_SUBROUTINE_UNIFORM_LOCATIONS: u32 = 0x8DE8;

pub const MAX_TESS_CONTROL_ATOMIC_COUNTERS: u32 = 0x92D3;

pub const MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS: u32 = 0x92CD;

pub const MAX_TESS_CONTROL_IMAGE_UNIFORMS: u32 = 0x90CB;

pub const MAX_TESS_CONTROL_INPUT_COMPONENTS: u32 = 0x886C;

pub const MAX_TESS_CONTROL_OUTPUT_COMPONENTS: u32 = 0x8E83;

pub const MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS: u32 = 0x90D8;

pub const MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS: u32 = 0x8E81;

pub const MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS: u32 = 0x8E85;

pub const MAX_TESS_CONTROL_UNIFORM_BLOCKS: u32 = 0x8E89;

pub const MAX_TESS_CONTROL_UNIFORM_COMPONENTS: u32 = 0x8E7F;

pub const MAX_TESS_EVALUATION_ATOMIC_COUNTERS: u32 = 0x92D4;

pub const MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS: u32 = 0x92CE;

pub const MAX_TESS_EVALUATION_IMAGE_UNIFORMS: u32 = 0x90CC;

pub const MAX_TESS_EVALUATION_INPUT_COMPONENTS: u32 = 0x886D;

pub const MAX_TESS_EVALUATION_OUTPUT_COMPONENTS: u32 = 0x8E86;

pub const MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS: u32 = 0x90D9;

pub const MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS: u32 = 0x8E82;

pub const MAX_TESS_EVALUATION_UNIFORM_BLOCKS: u32 = 0x8E8A;

pub const MAX_TESS_EVALUATION_UNIFORM_COMPONENTS: u32 = 0x8E80;

pub const MAX_TESS_GEN_LEVEL: u32 = 0x8E7E;

pub const MAX_TESS_PATCH_COMPONENTS: u32 = 0x8E84;

pub const MAX_TEXTURE_BUFFER_SIZE: u32 = 0x8C2B;

pub const MAX_TEXTURE_IMAGE_UNITS: u32 = 0x8872;

pub const MAX_TEXTURE_LOD_BIAS: u32 = 0x84FD;

pub const MAX_TEXTURE_MAX_ANISOTROPY: u32 = 0x84FF;

pub const MAX_TEXTURE_MAX_ANISOTROPY_EXT: u32 = 0x84FF;

pub const MAX_TEXTURE_SIZE: u32 = 0x0D33;

pub const MAX_TRANSFORM_FEEDBACK_BUFFERS: u32 = 0x8E70;

pub const MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS: u32 = 0x8C8A;

pub const MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS: u32 = 0x8C8B;

pub const MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS: u32 = 0x8C80;

pub const MAX_UNIFORM_BLOCK_SIZE: u32 = 0x8A30;

pub const MAX_UNIFORM_BUFFER_BINDINGS: u32 = 0x8A2F;

pub const MAX_UNIFORM_LOCATIONS: u32 = 0x826E;

pub const MAX_VARYING_COMPONENTS: u32 = 0x8B4B;

pub const MAX_VARYING_FLOATS: u32 = 0x8B4B;

pub const MAX_VARYING_VECTORS: u32 = 0x8DFC;

pub const MAX_VERTEX_ATOMIC_COUNTERS: u32 = 0x92D2;

pub const MAX_VERTEX_ATOMIC_COUNTER_BUFFERS: u32 = 0x92CC;

pub const MAX_VERTEX_ATTRIBS: u32 = 0x8869;

pub const MAX_VERTEX_ATTRIB_BINDINGS: u32 = 0x82DA;

pub const MAX_VERTEX_ATTRIB_RELATIVE_OFFSET: u32 = 0x82D9;

pub const MAX_VERTEX_ATTRIB_STRIDE: u32 = 0x82E5;

pub const MAX_VERTEX_IMAGE_UNIFORMS: u32 = 0x90CA;

pub const MAX_VERTEX_OUTPUT_COMPONENTS: u32 = 0x9122;

pub const MAX_VERTEX_SHADER_STORAGE_BLOCKS: u32 = 0x90D6;

pub const MAX_VERTEX_STREAMS: u32 = 0x8E71;

pub const MAX_VERTEX_TEXTURE_IMAGE_UNITS: u32 = 0x8B4C;

pub const MAX_VERTEX_UNIFORM_BLOCKS: u32 = 0x8A2B;

pub const MAX_VERTEX_UNIFORM_COMPONENTS: u32 = 0x8B4A;

pub const MAX_VERTEX_UNIFORM_VECTORS: u32 = 0x8DFB;

pub const MAX_VIEWPORTS: u32 = 0x825B;

pub const MAX_VIEWPORT_DIMS: u32 = 0x0D3A;

pub const MAX_WIDTH: u32 = 0x827E;

pub const MEDIUM_FLOAT: u32 = 0x8DF1;

pub const MEDIUM_INT: u32 = 0x8DF4;

pub const MIN: u32 = 0x8007;

pub const MINOR_VERSION: u32 = 0x821C;

pub const MIN_FRAGMENT_INTERPOLATION_OFFSET: u32 = 0x8E5B;

pub const MIN_MAP_BUFFER_ALIGNMENT: u32 = 0x90BC;

pub const MIN_PROGRAM_TEXEL_OFFSET: u32 = 0x8904;

pub const MIN_PROGRAM_TEXTURE_GATHER_OFFSET: u32 = 0x8E5E;

pub const MIN_SAMPLE_SHADING_VALUE: u32 = 0x8C37;

pub const MIPMAP: u32 = 0x8293;

pub const MIRRORED_REPEAT: u32 = 0x8370;

pub const MIRROR_CLAMP_TO_EDGE: u32 = 0x8743;

pub const MULTISAMPLE: u32 = 0x809D;

pub const NAME_LENGTH: u32 = 0x92F9;

pub const NAND: u32 = 0x150E;

pub const NEAREST: u32 = 0x2600;

pub const NEAREST_MIPMAP_LINEAR: u32 = 0x2702;

pub const NEAREST_MIPMAP_NEAREST: u32 = 0x2700;

pub const NEGATIVE_ONE_TO_ONE: u32 = 0x935E;

pub const NEVER: u32 = 0x0200;

pub const NICEST: u32 = 0x1102;

pub const NONE: u32 = 0;

pub const NOOP: u32 = 0x1505;

pub const NOR: u32 = 0x1508;

pub const NOTEQUAL: u32 = 0x0205;

pub const NO_ERROR: u32 = 0;

pub const NO_RESET_NOTIFICATION: u32 = 0x8261;

pub const NUM_ACTIVE_VARIABLES: u32 = 0x9304;

pub const NUM_COMPATIBLE_SUBROUTINES: u32 = 0x8E4A;

pub const NUM_COMPRESSED_TEXTURE_FORMATS: u32 = 0x86A2;

pub const NUM_EXTENSIONS: u32 = 0x821D;

pub const NUM_PROGRAM_BINARY_FORMATS: u32 = 0x87FE;

pub const NUM_SAMPLE_COUNTS: u32 = 0x9380;

pub const NUM_SHADER_BINARY_FORMATS: u32 = 0x8DF9;

pub const NUM_SHADING_LANGUAGE_VERSIONS: u32 = 0x82E9;

pub const NUM_SPIR_V_EXTENSIONS: u32 = 0x9554;

pub const OBJECT_TYPE: u32 = 0x9112;

pub const OFFSET: u32 = 0x92FC;

pub const ONE: u32 = 1;

pub const ONE_MINUS_CONSTANT_ALPHA: u32 = 0x8004;

pub const ONE_MINUS_CONSTANT_COLOR: u32 = 0x8002;

pub const ONE_MINUS_DST_ALPHA: u32 = 0x0305;

pub const ONE_MINUS_DST_COLOR: u32 = 0x0307;

pub const ONE_MINUS_SRC1_ALPHA: u32 = 0x88FB;

pub const ONE_MINUS_SRC1_COLOR: u32 = 0x88FA;

pub const ONE_MINUS_SRC_ALPHA: u32 = 0x0303;

pub const ONE_MINUS_SRC_COLOR: u32 = 0x0301;

pub const OR: u32 = 0x1507;

pub const OR_INVERTED: u32 = 0x150D;

pub const OR_REVERSE: u32 = 0x150B;

pub const OUT_OF_MEMORY: u32 = 0x0505;

pub const PACK_ALIGNMENT: u32 = 0x0D05;

pub const PACK_COMPRESSED_BLOCK_DEPTH: u32 = 0x912D;

pub const PACK_COMPRESSED_BLOCK_HEIGHT: u32 = 0x912C;

pub const PACK_COMPRESSED_BLOCK_SIZE: u32 = 0x912E;

pub const PACK_COMPRESSED_BLOCK_WIDTH: u32 = 0x912B;

pub const PACK_IMAGE_HEIGHT: u32 = 0x806C;

pub const PACK_LSB_FIRST: u32 = 0x0D01;

pub const PACK_ROW_LENGTH: u32 = 0x0D02;

pub const PACK_SKIP_IMAGES: u32 = 0x806B;

pub const PACK_SKIP_PIXELS: u32 = 0x0D04;

pub const PACK_SKIP_ROWS: u32 = 0x0D03;

pub const PACK_SWAP_BYTES: u32 = 0x0D00;

pub const PARAMETER_BUFFER: u32 = 0x80EE;

pub const PARAMETER_BUFFER_BINDING: u32 = 0x80EF;

pub const PATCHES: u32 = 0x000E;

pub const PATCH_DEFAULT_INNER_LEVEL: u32 = 0x8E73;

pub const PATCH_DEFAULT_OUTER_LEVEL: u32 = 0x8E74;

pub const PATCH_VERTICES: u32 = 0x8E72;

pub const PIXEL_BUFFER_BARRIER_BIT: u32 = 0x00000080;

pub const PIXEL_PACK_BUFFER: u32 = 0x88EB;

pub const PIXEL_PACK_BUFFER_BINDING: u32 = 0x88ED;

pub const PIXEL_UNPACK_BUFFER: u32 = 0x88EC;

pub const PIXEL_UNPACK_BUFFER_BINDING: u32 = 0x88EF;

pub const POINT: u32 = 0x1B00;

pub const POINTS: u32 = 0x0000;

pub const POINT_FADE_THRESHOLD_SIZE: u32 = 0x8128;

pub const POINT_SIZE: u32 = 0x0B11;

pub const POINT_SIZE_GRANULARITY: u32 = 0x0B13;

pub const POINT_SIZE_RANGE: u32 = 0x0B12;

pub const POINT_SPRITE_COORD_ORIGIN: u32 = 0x8CA0;

pub const POLYGON_MODE: u32 = 0x0B40;

pub const POLYGON_OFFSET_CLAMP: u32 = 0x8E1B;

pub const POLYGON_OFFSET_FACTOR: u32 = 0x8038;

pub const POLYGON_OFFSET_FILL: u32 = 0x8037;

pub const POLYGON_OFFSET_LINE: u32 = 0x2A02;

pub const POLYGON_OFFSET_POINT: u32 = 0x2A01;

pub const POLYGON_OFFSET_UNITS: u32 = 0x2A00;

pub const POLYGON_SMOOTH: u32 = 0x0B41;

pub const POLYGON_SMOOTH_HINT: u32 = 0x0C53;

pub const PRIMITIVES_GENERATED: u32 = 0x8C87;

pub const PRIMITIVES_SUBMITTED: u32 = 0x82EF;

pub const PRIMITIVE_RESTART: u32 = 0x8F9D;

pub const PRIMITIVE_RESTART_FIXED_INDEX: u32 = 0x8D69;

pub const PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED: u32 = 0x8221;

pub const PRIMITIVE_RESTART_INDEX: u32 = 0x8F9E;

pub const PROGRAM: u32 = 0x82E2;

pub const PROGRAM_BINARY_FORMATS: u32 = 0x87FF;

pub const PROGRAM_BINARY_LENGTH: u32 = 0x8741;

pub const PROGRAM_BINARY_RETRIEVABLE_HINT: u32 = 0x8257;

pub const PROGRAM_INPUT: u32 = 0x92E3;

pub const PROGRAM_OUTPUT: u32 = 0x92E4;

pub const PROGRAM_PIPELINE: u32 = 0x82E4;

pub const PROGRAM_PIPELINE_BINDING: u32 = 0x825A;

pub const PROGRAM_POINT_SIZE: u32 = 0x8642;

pub const PROGRAM_SEPARABLE: u32 = 0x8258;

pub const PROVOKING_VERTEX: u32 = 0x8E4F;

pub const PROXY_TEXTURE_1D: u32 = 0x8063;

pub const PROXY_TEXTURE_1D_ARRAY: u32 = 0x8C19;

pub const PROXY_TEXTURE_2D: u32 = 0x8064;

pub const PROXY_TEXTURE_2D_ARRAY: u32 = 0x8C1B;

pub const PROXY_TEXTURE_2D_MULTISAMPLE: u32 = 0x9101;

pub const PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: u32 = 0x9103;

pub const PROXY_TEXTURE_3D: u32 = 0x8070;

pub const PROXY_TEXTURE_CUBE_MAP: u32 = 0x851B;

pub const PROXY_TEXTURE_CUBE_MAP_ARRAY: u32 = 0x900B;

pub const PROXY_TEXTURE_RECTANGLE: u32 = 0x84F7;

pub const QUADS: u32 = 0x0007;

pub const QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: u32 = 0x8E4C;

pub const QUERY: u32 = 0x82E3;

pub const QUERY_BUFFER: u32 = 0x9192;

pub const QUERY_BUFFER_BARRIER_BIT: u32 = 0x00008000;

pub const QUERY_BUFFER_BINDING: u32 = 0x9193;

pub const QUERY_BY_REGION_NO_WAIT: u32 = 0x8E16;

pub const QUERY_BY_REGION_NO_WAIT_INVERTED: u32 = 0x8E1A;

pub const QUERY_BY_REGION_WAIT: u32 = 0x8E15;

pub const QUERY_BY_REGION_WAIT_INVERTED: u32 = 0x8E19;

pub const QUERY_COUNTER_BITS: u32 = 0x8864;

pub const QUERY_NO_WAIT: u32 = 0x8E14;

pub const QUERY_NO_WAIT_INVERTED: u32 = 0x8E18;

pub const QUERY_RESULT: u32 = 0x8866;

pub const QUERY_RESULT_AVAILABLE: u32 = 0x8867;

pub const QUERY_RESULT_NO_WAIT: u32 = 0x9194;

pub const QUERY_TARGET: u32 = 0x82EA;

pub const QUERY_WAIT: u32 = 0x8E13;

pub const QUERY_WAIT_INVERTED: u32 = 0x8E17;

pub const R11F_G11F_B10F: u32 = 0x8C3A;

pub const R16: u32 = 0x822A;

pub const R16F: u32 = 0x822D;

pub const R16I: u32 = 0x8233;

pub const R16UI: u32 = 0x8234;

pub const R16_SNORM: u32 = 0x8F98;

pub const R32F: u32 = 0x822E;

pub const R32I: u32 = 0x8235;

pub const R32UI: u32 = 0x8236;

pub const R3_G3_B2: u32 = 0x2A10;

pub const R8: u32 = 0x8229;

pub const R8I: u32 = 0x8231;

pub const R8UI: u32 = 0x8232;

pub const R8_SNORM: u32 = 0x8F94;

pub const RASTERIZER_DISCARD: u32 = 0x8C89;

pub const READ_BUFFER: u32 = 0x0C02;

pub const READ_FRAMEBUFFER: u32 = 0x8CA8;

pub const READ_FRAMEBUFFER_BINDING: u32 = 0x8CAA;

pub const READ_ONLY: u32 = 0x88B8;

pub const READ_PIXELS: u32 = 0x828C;

pub const READ_PIXELS_FORMAT: u32 = 0x828D;

pub const READ_PIXELS_TYPE: u32 = 0x828E;

pub const READ_WRITE: u32 = 0x88BA;

pub const RED: u32 = 0x1903;

pub const RED_BITS: u32 = 0x0D52;

pub const RED_INTEGER: u32 = 0x8D94;

pub const REFERENCED_BY_COMPUTE_SHADER: u32 = 0x930B;

pub const REFERENCED_BY_FRAGMENT_SHADER: u32 = 0x930A;

pub const REFERENCED_BY_GEOMETRY_SHADER: u32 = 0x9309;

pub const REFERENCED_BY_TESS_CONTROL_SHADER: u32 = 0x9307;

pub const REFERENCED_BY_TESS_EVALUATION_SHADER: u32 = 0x9308;

pub const REFERENCED_BY_VERTEX_SHADER: u32 = 0x9306;

pub const RENDERBUFFER: u32 = 0x8D41;

pub const RENDERBUFFER_ALPHA_SIZE: u32 = 0x8D53;

pub const RENDERBUFFER_BINDING: u32 = 0x8CA7;

pub const RENDERBUFFER_BLUE_SIZE: u32 = 0x8D52;

pub const RENDERBUFFER_DEPTH_SIZE: u32 = 0x8D54;

pub const RENDERBUFFER_GREEN_SIZE: u32 = 0x8D51;

pub const RENDERBUFFER_HEIGHT: u32 = 0x8D43;

pub const RENDERBUFFER_INTERNAL_FORMAT: u32 = 0x8D44;

pub const RENDERBUFFER_RED_SIZE: u32 = 0x8D50;

pub const RENDERBUFFER_SAMPLES: u32 = 0x8CAB;

pub const RENDERBUFFER_STENCIL_SIZE: u32 = 0x8D55;

pub const RENDERBUFFER_WIDTH: u32 = 0x8D42;

pub const RENDERER: u32 = 0x1F01;

pub const REPEAT: u32 = 0x2901;

pub const REPLACE: u32 = 0x1E01;

pub const RESET_NOTIFICATION_STRATEGY: u32 = 0x8256;

pub const RG: u32 = 0x8227;

pub const RG16: u32 = 0x822C;

pub const RG16F: u32 = 0x822F;

pub const RG16I: u32 = 0x8239;

pub const RG16UI: u32 = 0x823A;

pub const RG16_SNORM: u32 = 0x8F99;

pub const RG32F: u32 = 0x8230;

pub const RG32I: u32 = 0x823B;

pub const RG32UI: u32 = 0x823C;

pub const RG8: u32 = 0x822B;

pub const RG8I: u32 = 0x8237;

pub const RG8UI: u32 = 0x8238;

pub const RG8_SNORM: u32 = 0x8F95;

pub const RGB: u32 = 0x1907;

pub const RGB10: u32 = 0x8052;

pub const RGB10_A2: u32 = 0x8059;

pub const RGB10_A2UI: u32 = 0x906F;

pub const RGB12: u32 = 0x8053;

pub const RGB16: u32 = 0x8054;

pub const RGB16F: u32 = 0x881B;

pub const RGB16I: u32 = 0x8D89;

pub const RGB16UI: u32 = 0x8D77;

pub const RGB16_SNORM: u32 = 0x8F9A;

pub const RGB32F: u32 = 0x8815;

pub const RGB32I: u32 = 0x8D83;

pub const RGB32UI: u32 = 0x8D71;

pub const RGB4: u32 = 0x804F;

pub const RGB5: u32 = 0x8050;

pub const RGB565: u32 = 0x8D62;

pub const RGB5_A1: u32 = 0x8057;

pub const RGB8: u32 = 0x8051;

pub const RGB8I: u32 = 0x8D8F;

pub const RGB8UI: u32 = 0x8D7D;

pub const RGB8_SNORM: u32 = 0x8F96;

pub const RGB9_E5: u32 = 0x8C3D;

pub const RGBA: u32 = 0x1908;

pub const RGBA12: u32 = 0x805A;

pub const RGBA16: u32 = 0x805B;

pub const RGBA16F: u32 = 0x881A;

pub const RGBA16I: u32 = 0x8D88;

pub const RGBA16UI: u32 = 0x8D76;

pub const RGBA16_SNORM: u32 = 0x8F9B;

pub const RGBA2: u32 = 0x8055;

pub const RGBA32F: u32 = 0x8814;

pub const RGBA32I: u32 = 0x8D82;

pub const RGBA32UI: u32 = 0x8D70;

pub const RGBA4: u32 = 0x8056;

pub const RGBA8: u32 = 0x8058;

pub const RGBA8I: u32 = 0x8D8E;

pub const RGBA8UI: u32 = 0x8D7C;

pub const RGBA8_SNORM: u32 = 0x8F97;

pub const RGBA_INTEGER: u32 = 0x8D99;

pub const RGB_INTEGER: u32 = 0x8D98;

pub const RG_INTEGER: u32 = 0x8228;

pub const RIGHT: u32 = 0x0407;

pub const SAMPLER: u32 = 0x82E6;

pub const SAMPLER_1D: u32 = 0x8B5D;

pub const SAMPLER_1D_ARRAY: u32 = 0x8DC0;

pub const SAMPLER_1D_ARRAY_SHADOW: u32 = 0x8DC3;

pub const SAMPLER_1D_SHADOW: u32 = 0x8B61;

pub const SAMPLER_2D: u32 = 0x8B5E;

pub const SAMPLER_2D_ARRAY: u32 = 0x8DC1;

pub const SAMPLER_2D_ARRAY_SHADOW: u32 = 0x8DC4;

pub const SAMPLER_2D_MULTISAMPLE: u32 = 0x9108;

pub const SAMPLER_2D_MULTISAMPLE_ARRAY: u32 = 0x910B;

pub const SAMPLER_2D_RECT: u32 = 0x8B63;

pub const SAMPLER_2D_RECT_SHADOW: u32 = 0x8B64;

pub const SAMPLER_2D_SHADOW: u32 = 0x8B62;

pub const SAMPLER_3D: u32 = 0x8B5F;

pub const SAMPLER_BINDING: u32 = 0x8919;

pub const SAMPLER_BUFFER: u32 = 0x8DC2;

pub const SAMPLER_CUBE: u32 = 0x8B60;

pub const SAMPLER_CUBE_MAP_ARRAY: u32 = 0x900C;

pub const SAMPLER_CUBE_MAP_ARRAY_SHADOW: u32 = 0x900D;

pub const SAMPLER_CUBE_SHADOW: u32 = 0x8DC5;

pub const SAMPLES: u32 = 0x80A9;

pub const SAMPLES_PASSED: u32 = 0x8914;

pub const SAMPLE_ALPHA_TO_COVERAGE: u32 = 0x809E;

pub const SAMPLE_ALPHA_TO_ONE: u32 = 0x809F;

pub const SAMPLE_BUFFERS: u32 = 0x80A8;

pub const SAMPLE_COVERAGE: u32 = 0x80A0;

pub const SAMPLE_COVERAGE_INVERT: u32 = 0x80AB;

pub const SAMPLE_COVERAGE_VALUE: u32 = 0x80AA;

pub const SAMPLE_MASK: u32 = 0x8E51;

pub const SAMPLE_MASK_VALUE: u32 = 0x8E52;

pub const SAMPLE_POSITION: u32 = 0x8E50;

pub const SAMPLE_SHADING: u32 = 0x8C36;

pub const SCISSOR_BOX: u32 = 0x0C10;

pub const SCISSOR_TEST: u32 = 0x0C11;

pub const SEPARATE_ATTRIBS: u32 = 0x8C8D;

pub const SET: u32 = 0x150F;

pub const SHADER: u32 = 0x82E1;

pub const SHADER_BINARY_FORMATS: u32 = 0x8DF8;

pub const SHADER_BINARY_FORMAT_SPIR_V: u32 = 0x9551;

pub const SHADER_COMPILER: u32 = 0x8DFA;

pub const SHADER_IMAGE_ACCESS_BARRIER_BIT: u32 = 0x00000020;

pub const SHADER_IMAGE_ATOMIC: u32 = 0x82A6;

pub const SHADER_IMAGE_LOAD: u32 = 0x82A4;

pub const SHADER_IMAGE_STORE: u32 = 0x82A5;

pub const SHADER_SOURCE_LENGTH: u32 = 0x8B88;

pub const SHADER_STORAGE_BARRIER_BIT: u32 = 0x00002000;

pub const SHADER_STORAGE_BLOCK: u32 = 0x92E6;

pub const SHADER_STORAGE_BUFFER: u32 = 0x90D2;

pub const SHADER_STORAGE_BUFFER_BINDING: u32 = 0x90D3;

pub const SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT: u32 = 0x90DF;

pub const SHADER_STORAGE_BUFFER_SIZE: u32 = 0x90D5;

pub const SHADER_STORAGE_BUFFER_START: u32 = 0x90D4;

pub const SHADER_TYPE: u32 = 0x8B4F;

pub const SHADING_LANGUAGE_VERSION: u32 = 0x8B8C;

pub const SHORT: u32 = 0x1402;

pub const SIGNALED: u32 = 0x9119;

pub const SIGNED_NORMALIZED: u32 = 0x8F9C;

pub const SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST: u32 = 0x82AC;

pub const SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE: u32 = 0x82AE;

pub const SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST: u32 = 0x82AD;

pub const SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE: u32 = 0x82AF;

pub const SMOOTH_LINE_WIDTH_GRANULARITY: u32 = 0x0B23;

pub const SMOOTH_LINE_WIDTH_RANGE: u32 = 0x0B22;

pub const SMOOTH_POINT_SIZE_GRANULARITY: u32 = 0x0B13;

pub const SMOOTH_POINT_SIZE_RANGE: u32 = 0x0B12;

pub const SPIR_V_BINARY: u32 = 0x9552;

pub const SPIR_V_EXTENSIONS: u32 = 0x9553;

pub const SRC1_ALPHA: u32 = 0x8589;

pub const SRC1_COLOR: u32 = 0x88F9;

pub const SRC_ALPHA: u32 = 0x0302;

pub const SRC_ALPHA_SATURATE: u32 = 0x0308;

pub const SRC_COLOR: u32 = 0x0300;

pub const SRGB: u32 = 0x8C40;

pub const SRGB8: u32 = 0x8C41;

pub const SRGB8_ALPHA8: u32 = 0x8C43;

pub const SRGB_ALPHA: u32 = 0x8C42;

pub const SRGB_READ: u32 = 0x8297;

pub const SRGB_WRITE: u32 = 0x8298;

pub const STACK_OVERFLOW: u32 = 0x0503;

pub const STACK_UNDERFLOW: u32 = 0x0504;

pub const STATIC_COPY: u32 = 0x88E6;

pub const STATIC_DRAW: u32 = 0x88E4;

pub const STATIC_READ: u32 = 0x88E5;

pub const STENCIL: u32 = 0x1802;

pub const STENCIL_ATTACHMENT: u32 = 0x8D20;

pub const STENCIL_BACK_FAIL: u32 = 0x8801;

pub const STENCIL_BACK_FUNC: u32 = 0x8800;

pub const STENCIL_BACK_PASS_DEPTH_FAIL: u32 = 0x8802;

pub const STENCIL_BACK_PASS_DEPTH_PASS: u32 = 0x8803;

pub const STENCIL_BACK_REF: u32 = 0x8CA3;

pub const STENCIL_BACK_VALUE_MASK: u32 = 0x8CA4;

pub const STENCIL_BACK_WRITEMASK: u32 = 0x8CA5;

pub const STENCIL_BITS: u32 = 0x0D57;

pub const STENCIL_BUFFER_BIT: u32 = 0x00000400;

pub const STENCIL_CLEAR_VALUE: u32 = 0x0B91;

pub const STENCIL_COMPONENTS: u32 = 0x8285;

pub const STENCIL_FAIL: u32 = 0x0B94;

pub const STENCIL_FUNC: u32 = 0x0B92;

pub const STENCIL_INDEX: u32 = 0x1901;

pub const STENCIL_INDEX1: u32 = 0x8D46;

pub const STENCIL_INDEX16: u32 = 0x8D49;

pub const STENCIL_INDEX4: u32 = 0x8D47;

pub const STENCIL_INDEX8: u32 = 0x8D48;

pub const STENCIL_PASS_DEPTH_FAIL: u32 = 0x0B95;

pub const STENCIL_PASS_DEPTH_PASS: u32 = 0x0B96;

pub const STENCIL_REF: u32 = 0x0B97;

pub const STENCIL_RENDERABLE: u32 = 0x8288;

pub const STENCIL_TEST: u32 = 0x0B90;

pub const STENCIL_VALUE_MASK: u32 = 0x0B93;

pub const STENCIL_WRITEMASK: u32 = 0x0B98;

pub const STEREO: u32 = 0x0C33;

pub const STREAM_COPY: u32 = 0x88E2;

pub const STREAM_DRAW: u32 = 0x88E0;

pub const STREAM_READ: u32 = 0x88E1;

pub const SUBPIXEL_BITS: u32 = 0x0D50;

pub const SYNC_CONDITION: u32 = 0x9113;

pub const SYNC_FENCE: u32 = 0x9116;

pub const SYNC_FLAGS: u32 = 0x9115;

pub const SYNC_FLUSH_COMMANDS_BIT: u32 = 0x00000001;

pub const SYNC_GPU_COMMANDS_COMPLETE: u32 = 0x9117;

pub const SYNC_STATUS: u32 = 0x9114;

pub const TESS_CONTROL_OUTPUT_VERTICES: u32 = 0x8E75;

pub const TESS_CONTROL_SHADER: u32 = 0x8E88;

pub const TESS_CONTROL_SHADER_BIT: u32 = 0x00000008;

pub const TESS_CONTROL_SHADER_PATCHES: u32 = 0x82F1;

pub const TESS_CONTROL_SUBROUTINE: u32 = 0x92E9;

pub const TESS_CONTROL_SUBROUTINE_UNIFORM: u32 = 0x92EF;

pub const TESS_CONTROL_TEXTURE: u32 = 0x829C;

pub const TESS_EVALUATION_SHADER: u32 = 0x8E87;

pub const TESS_EVALUATION_SHADER_BIT: u32 = 0x00000010;

pub const TESS_EVALUATION_SHADER_INVOCATIONS: u32 = 0x82F2;

pub const TESS_EVALUATION_SUBROUTINE: u32 = 0x92EA;

pub const TESS_EVALUATION_SUBROUTINE_UNIFORM: u32 = 0x92F0;

pub const TESS_EVALUATION_TEXTURE: u32 = 0x829D;

pub const TESS_GEN_MODE: u32 = 0x8E76;

pub const TESS_GEN_POINT_MODE: u32 = 0x8E79;

pub const TESS_GEN_SPACING: u32 = 0x8E77;

pub const TESS_GEN_VERTEX_ORDER: u32 = 0x8E78;

pub const TEXTURE: u32 = 0x1702;

pub const TEXTURE0: u32 = 0x84C0;

pub const TEXTURE1: u32 = 0x84C1;

pub const TEXTURE10: u32 = 0x84CA;

pub const TEXTURE11: u32 = 0x84CB;

pub const TEXTURE12: u32 = 0x84CC;

pub const TEXTURE13: u32 = 0x84CD;

pub const TEXTURE14: u32 = 0x84CE;

pub const TEXTURE15: u32 = 0x84CF;

pub const TEXTURE16: u32 = 0x84D0;

pub const TEXTURE17: u32 = 0x84D1;

pub const TEXTURE18: u32 = 0x84D2;

pub const TEXTURE19: u32 = 0x84D3;

pub const TEXTURE2: u32 = 0x84C2;

pub const TEXTURE20: u32 = 0x84D4;

pub const TEXTURE21: u32 = 0x84D5;

pub const TEXTURE22: u32 = 0x84D6;

pub const TEXTURE23: u32 = 0x84D7;

pub const TEXTURE24: u32 = 0x84D8;

pub const TEXTURE25: u32 = 0x84D9;

pub const TEXTURE26: u32 = 0x84DA;

pub const TEXTURE27: u32 = 0x84DB;

pub const TEXTURE28: u32 = 0x84DC;

pub const TEXTURE29: u32 = 0x84DD;

pub const TEXTURE3: u32 = 0x84C3;

pub const TEXTURE30: u32 = 0x84DE;

pub const TEXTURE31: u32 = 0x84DF;

pub const TEXTURE4: u32 = 0x84C4;

pub const TEXTURE5: u32 = 0x84C5;

pub const TEXTURE6: u32 = 0x84C6;

pub const TEXTURE7: u32 = 0x84C7;

pub const TEXTURE8: u32 = 0x84C8;

pub const TEXTURE9: u32 = 0x84C9;

pub const TEXTURE_1D: u32 = 0x0DE0;

pub const TEXTURE_1D_ARRAY: u32 = 0x8C18;

pub const TEXTURE_2D: u32 = 0x0DE1;

pub const TEXTURE_2D_ARRAY: u32 = 0x8C1A;

pub const TEXTURE_2D_MULTISAMPLE: u32 = 0x9100;

pub const TEXTURE_2D_MULTISAMPLE_ARRAY: u32 = 0x9102;

pub const TEXTURE_3D: u32 = 0x806F;

pub const TEXTURE_ALPHA_SIZE: u32 = 0x805F;

pub const TEXTURE_ALPHA_TYPE: u32 = 0x8C13;

pub const TEXTURE_BASE_LEVEL: u32 = 0x813C;

pub const TEXTURE_BINDING_1D: u32 = 0x8068;

pub const TEXTURE_BINDING_1D_ARRAY: u32 = 0x8C1C;

pub const TEXTURE_BINDING_2D: u32 = 0x8069;

pub const TEXTURE_BINDING_2D_ARRAY: u32 = 0x8C1D;

pub const TEXTURE_BINDING_2D_MULTISAMPLE: u32 = 0x9104;

pub const TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: u32 = 0x9105;

pub const TEXTURE_BINDING_3D: u32 = 0x806A;

pub const TEXTURE_BINDING_BUFFER: u32 = 0x8C2C;

pub const TEXTURE_BINDING_CUBE_MAP: u32 = 0x8514;

pub const TEXTURE_BINDING_CUBE_MAP_ARRAY: u32 = 0x900A;

pub const TEXTURE_BINDING_RECTANGLE: u32 = 0x84F6;

pub const TEXTURE_BLUE_SIZE: u32 = 0x805E;

pub const TEXTURE_BLUE_TYPE: u32 = 0x8C12;

pub const TEXTURE_BORDER_COLOR: u32 = 0x1004;

pub const TEXTURE_BUFFER: u32 = 0x8C2A;

pub const TEXTURE_BUFFER_BINDING: u32 = 0x8C2A;

pub const TEXTURE_BUFFER_DATA_STORE_BINDING: u32 = 0x8C2D;

pub const TEXTURE_BUFFER_OFFSET: u32 = 0x919D;

pub const TEXTURE_BUFFER_OFFSET_ALIGNMENT: u32 = 0x919F;

pub const TEXTURE_BUFFER_SIZE: u32 = 0x919E;

pub const TEXTURE_COMPARE_FUNC: u32 = 0x884D;

pub const TEXTURE_COMPARE_MODE: u32 = 0x884C;

pub const TEXTURE_COMPRESSED: u32 = 0x86A1;

pub const TEXTURE_COMPRESSED_BLOCK_HEIGHT: u32 = 0x82B2;

pub const TEXTURE_COMPRESSED_BLOCK_SIZE: u32 = 0x82B3;

pub const TEXTURE_COMPRESSED_BLOCK_WIDTH: u32 = 0x82B1;

pub const TEXTURE_COMPRESSED_IMAGE_SIZE: u32 = 0x86A0;

pub const TEXTURE_COMPRESSION_HINT: u32 = 0x84EF;

pub const TEXTURE_CUBE_MAP: u32 = 0x8513;

pub const TEXTURE_CUBE_MAP_ARRAY: u32 = 0x9009;

pub const TEXTURE_CUBE_MAP_NEGATIVE_X: u32 = 0x8516;

pub const TEXTURE_CUBE_MAP_NEGATIVE_Y: u32 = 0x8518;

pub const TEXTURE_CUBE_MAP_NEGATIVE_Z: u32 = 0x851A;

pub const TEXTURE_CUBE_MAP_POSITIVE_X: u32 = 0x8515;

pub const TEXTURE_CUBE_MAP_POSITIVE_Y: u32 = 0x8517;

pub const TEXTURE_CUBE_MAP_POSITIVE_Z: u32 = 0x8519;

pub const TEXTURE_CUBE_MAP_SEAMLESS: u32 = 0x884F;

pub const TEXTURE_DEPTH: u32 = 0x8071;

pub const TEXTURE_DEPTH_SIZE: u32 = 0x884A;

pub const TEXTURE_DEPTH_TYPE: u32 = 0x8C16;

pub const TEXTURE_FETCH_BARRIER_BIT: u32 = 0x00000008;

pub const TEXTURE_FIXED_SAMPLE_LOCATIONS: u32 = 0x9107;

pub const TEXTURE_GATHER: u32 = 0x82A2;

pub const TEXTURE_GATHER_SHADOW: u32 = 0x82A3;

pub const TEXTURE_GREEN_SIZE: u32 = 0x805D;

pub const TEXTURE_GREEN_TYPE: u32 = 0x8C11;

pub const TEXTURE_HEIGHT: u32 = 0x1001;

pub const TEXTURE_IMAGE_FORMAT: u32 = 0x828F;

pub const TEXTURE_IMAGE_TYPE: u32 = 0x8290;

pub const TEXTURE_IMMUTABLE_FORMAT: u32 = 0x912F;

pub const TEXTURE_IMMUTABLE_LEVELS: u32 = 0x82DF;

pub const TEXTURE_INTERNAL_FORMAT: u32 = 0x1003;

pub const TEXTURE_LOD_BIAS: u32 = 0x8501;

pub const TEXTURE_MAG_FILTER: u32 = 0x2800;

pub const TEXTURE_MAX_ANISOTROPY: u32 = 0x84FE;

pub const TEXTURE_MAX_ANISOTROPY_EXT: u32 = 0x84FE;

pub const TEXTURE_MAX_LEVEL: u32 = 0x813D;

pub const TEXTURE_MAX_LOD: u32 = 0x813B;

pub const TEXTURE_MIN_FILTER: u32 = 0x2801;

pub const TEXTURE_MIN_LOD: u32 = 0x813A;

pub const TEXTURE_RECTANGLE: u32 = 0x84F5;

pub const TEXTURE_RED_SIZE: u32 = 0x805C;

pub const TEXTURE_RED_TYPE: u32 = 0x8C10;

pub const TEXTURE_SAMPLES: u32 = 0x9106;

pub const TEXTURE_SHADOW: u32 = 0x82A1;

pub const TEXTURE_SHARED_SIZE: u32 = 0x8C3F;

pub const TEXTURE_STENCIL_SIZE: u32 = 0x88F1;

pub const TEXTURE_SWIZZLE_A: u32 = 0x8E45;

pub const TEXTURE_SWIZZLE_B: u32 = 0x8E44;

pub const TEXTURE_SWIZZLE_G: u32 = 0x8E43;

pub const TEXTURE_SWIZZLE_R: u32 = 0x8E42;

pub const TEXTURE_SWIZZLE_RGBA: u32 = 0x8E46;

pub const TEXTURE_TARGET: u32 = 0x1006;

pub const TEXTURE_UPDATE_BARRIER_BIT: u32 = 0x00000100;

pub const TEXTURE_VIEW: u32 = 0x82B5;

pub const TEXTURE_VIEW_MIN_LAYER: u32 = 0x82DD;

pub const TEXTURE_VIEW_MIN_LEVEL: u32 = 0x82DB;

pub const TEXTURE_VIEW_NUM_LAYERS: u32 = 0x82DE;

pub const TEXTURE_VIEW_NUM_LEVELS: u32 = 0x82DC;

pub const TEXTURE_WIDTH: u32 = 0x1000;

pub const TEXTURE_WRAP_R: u32 = 0x8072;

pub const TEXTURE_WRAP_S: u32 = 0x2802;

pub const TEXTURE_WRAP_T: u32 = 0x2803;

pub const TIMEOUT_EXPIRED: u32 = 0x911B;

pub const TIMEOUT_IGNORED: u64 = 0xFFFFFFFFFFFFFFFF;

pub const TIMESTAMP: u32 = 0x8E28;

pub const TIME_ELAPSED: u32 = 0x88BF;

pub const TOP_LEVEL_ARRAY_SIZE: u32 = 0x930C;

pub const TOP_LEVEL_ARRAY_STRIDE: u32 = 0x930D;

pub const TRANSFORM_FEEDBACK: u32 = 0x8E22;

pub const TRANSFORM_FEEDBACK_ACTIVE: u32 = 0x8E24;

pub const TRANSFORM_FEEDBACK_BARRIER_BIT: u32 = 0x00000800;

pub const TRANSFORM_FEEDBACK_BINDING: u32 = 0x8E25;

pub const TRANSFORM_FEEDBACK_BUFFER: u32 = 0x8C8E;

pub const TRANSFORM_FEEDBACK_BUFFER_ACTIVE: u32 = 0x8E24;

pub const TRANSFORM_FEEDBACK_BUFFER_BINDING: u32 = 0x8C8F;

pub const TRANSFORM_FEEDBACK_BUFFER_INDEX: u32 = 0x934B;

pub const TRANSFORM_FEEDBACK_BUFFER_MODE: u32 = 0x8C7F;

pub const TRANSFORM_FEEDBACK_BUFFER_PAUSED: u32 = 0x8E23;

pub const TRANSFORM_FEEDBACK_BUFFER_SIZE: u32 = 0x8C85;

pub const TRANSFORM_FEEDBACK_BUFFER_START: u32 = 0x8C84;

pub const TRANSFORM_FEEDBACK_BUFFER_STRIDE: u32 = 0x934C;

pub const TRANSFORM_FEEDBACK_OVERFLOW: u32 = 0x82EC;

pub const TRANSFORM_FEEDBACK_PAUSED: u32 = 0x8E23;

pub const TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: u32 = 0x8C88;

pub const TRANSFORM_FEEDBACK_STREAM_OVERFLOW: u32 = 0x82ED;

pub const TRANSFORM_FEEDBACK_VARYING: u32 = 0x92F4;

pub const TRANSFORM_FEEDBACK_VARYINGS: u32 = 0x8C83;

pub const TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH: u32 = 0x8C76;

pub const TRIANGLES: u32 = 0x0004;

pub const TRIANGLES_ADJACENCY: u32 = 0x000C;

pub const TRIANGLE_FAN: u32 = 0x0006;

pub const TRIANGLE_STRIP: u32 = 0x0005;

pub const TRIANGLE_STRIP_ADJACENCY: u32 = 0x000D;

pub const TRUE: u8 = 1;

pub const TYPE: u32 = 0x92FA;

pub const UNDEFINED_VERTEX: u32 = 0x8260;

pub const UNIFORM: u32 = 0x92E1;

pub const UNIFORM_ARRAY_STRIDE: u32 = 0x8A3C;

pub const UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX: u32 = 0x92DA;

pub const UNIFORM_BARRIER_BIT: u32 = 0x00000004;

pub const UNIFORM_BLOCK: u32 = 0x92E2;

pub const UNIFORM_BLOCK_ACTIVE_UNIFORMS: u32 = 0x8A42;

pub const UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: u32 = 0x8A43;

pub const UNIFORM_BLOCK_BINDING: u32 = 0x8A3F;

pub const UNIFORM_BLOCK_DATA_SIZE: u32 = 0x8A40;

pub const UNIFORM_BLOCK_INDEX: u32 = 0x8A3A;

pub const UNIFORM_BLOCK_NAME_LENGTH: u32 = 0x8A41;

pub const UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER: u32 = 0x90EC;

pub const UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER: u32 = 0x8A46;

pub const UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER: u32 = 0x8A45;

pub const UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER: u32 = 0x84F0;

pub const UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER: u32 = 0x84F1;

pub const UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER: u32 = 0x8A44;

pub const UNIFORM_BUFFER: u32 = 0x8A11;

pub const UNIFORM_BUFFER_BINDING: u32 = 0x8A28;

pub const UNIFORM_BUFFER_OFFSET_ALIGNMENT: u32 = 0x8A34;

pub const UNIFORM_BUFFER_SIZE: u32 = 0x8A2A;

pub const UNIFORM_BUFFER_START: u32 = 0x8A29;

pub const UNIFORM_IS_ROW_MAJOR: u32 = 0x8A3E;

pub const UNIFORM_MATRIX_STRIDE: u32 = 0x8A3D;

pub const UNIFORM_NAME_LENGTH: u32 = 0x8A39;

pub const UNIFORM_OFFSET: u32 = 0x8A3B;

pub const UNIFORM_SIZE: u32 = 0x8A38;

pub const UNIFORM_TYPE: u32 = 0x8A37;

pub const UNKNOWN_CONTEXT_RESET: u32 = 0x8255;

pub const UNPACK_ALIGNMENT: u32 = 0x0CF5;

pub const UNPACK_COMPRESSED_BLOCK_DEPTH: u32 = 0x9129;

pub const UNPACK_COMPRESSED_BLOCK_HEIGHT: u32 = 0x9128;

pub const UNPACK_COMPRESSED_BLOCK_SIZE: u32 = 0x912A;

pub const UNPACK_COMPRESSED_BLOCK_WIDTH: u32 = 0x9127;

pub const UNPACK_IMAGE_HEIGHT: u32 = 0x806E;

pub const UNPACK_LSB_FIRST: u32 = 0x0CF1;

pub const UNPACK_ROW_LENGTH: u32 = 0x0CF2;

pub const UNPACK_SKIP_IMAGES: u32 = 0x806D;

pub const UNPACK_SKIP_PIXELS: u32 = 0x0CF4;

pub const UNPACK_SKIP_ROWS: u32 = 0x0CF3;

pub const UNPACK_SWAP_BYTES: u32 = 0x0CF0;

pub const UNSIGNALED: u32 = 0x9118;

pub const UNSIGNED_BYTE: u32 = 0x1401;

pub const UNSIGNED_BYTE_2_3_3_REV: u32 = 0x8362;

pub const UNSIGNED_BYTE_3_3_2: u32 = 0x8032;

pub const UNSIGNED_INT: u32 = 0x1405;

pub const UNSIGNED_INT_10F_11F_11F_REV: u32 = 0x8C3B;

pub const UNSIGNED_INT_10_10_10_2: u32 = 0x8036;

pub const UNSIGNED_INT_24_8: u32 = 0x84FA;

pub const UNSIGNED_INT_2_10_10_10_REV: u32 = 0x8368;

pub const UNSIGNED_INT_5_9_9_9_REV: u32 = 0x8C3E;

pub const UNSIGNED_INT_8_8_8_8: u32 = 0x8035;

pub const UNSIGNED_INT_8_8_8_8_REV: u32 = 0x8367;

pub const UNSIGNED_INT_ATOMIC_COUNTER: u32 = 0x92DB;

pub const UNSIGNED_INT_IMAGE_1D: u32 = 0x9062;

pub const UNSIGNED_INT_IMAGE_1D_ARRAY: u32 = 0x9068;

pub const UNSIGNED_INT_IMAGE_2D: u32 = 0x9063;

pub const UNSIGNED_INT_IMAGE_2D_ARRAY: u32 = 0x9069;

pub const UNSIGNED_INT_IMAGE_2D_MULTISAMPLE: u32 = 0x906B;

pub const UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY: u32 = 0x906C;

pub const UNSIGNED_INT_IMAGE_2D_RECT: u32 = 0x9065;

pub const UNSIGNED_INT_IMAGE_3D: u32 = 0x9064;

pub const UNSIGNED_INT_IMAGE_BUFFER: u32 = 0x9067;

pub const UNSIGNED_INT_IMAGE_CUBE: u32 = 0x9066;

pub const UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY: u32 = 0x906A;

pub const UNSIGNED_INT_SAMPLER_1D: u32 = 0x8DD1;

pub const UNSIGNED_INT_SAMPLER_1D_ARRAY: u32 = 0x8DD6;

pub const UNSIGNED_INT_SAMPLER_2D: u32 = 0x8DD2;

pub const UNSIGNED_INT_SAMPLER_2D_ARRAY: u32 = 0x8DD7;

pub const UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE: u32 = 0x910A;

pub const UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY: u32 = 0x910D;

pub const UNSIGNED_INT_SAMPLER_2D_RECT: u32 = 0x8DD5;

pub const UNSIGNED_INT_SAMPLER_3D: u32 = 0x8DD3;

pub const UNSIGNED_INT_SAMPLER_BUFFER: u32 = 0x8DD8;

pub const UNSIGNED_INT_SAMPLER_CUBE: u32 = 0x8DD4;

pub const UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY: u32 = 0x900F;

pub const UNSIGNED_INT_VEC2: u32 = 0x8DC6;

pub const UNSIGNED_INT_VEC3: u32 = 0x8DC7;

pub const UNSIGNED_INT_VEC4: u32 = 0x8DC8;

pub const UNSIGNED_NORMALIZED: u32 = 0x8C17;

pub const UNSIGNED_SHORT: u32 = 0x1403;

pub const UNSIGNED_SHORT_1_5_5_5_REV: u32 = 0x8366;

pub const UNSIGNED_SHORT_4_4_4_4: u32 = 0x8033;

pub const UNSIGNED_SHORT_4_4_4_4_REV: u32 = 0x8365;

pub const UNSIGNED_SHORT_5_5_5_1: u32 = 0x8034;

pub const UNSIGNED_SHORT_5_6_5: u32 = 0x8363;

pub const UNSIGNED_SHORT_5_6_5_REV: u32 = 0x8364;

pub const UPPER_LEFT: u32 = 0x8CA2;

pub const VALIDATE_STATUS: u32 = 0x8B83;

pub const VENDOR: u32 = 0x1F00;

pub const VERSION: u32 = 0x1F02;

pub const VERTEX_ARRAY: u32 = 0x8074;

pub const VERTEX_ARRAY_BINDING: u32 = 0x85B5;

pub const VERTEX_ATTRIB_ARRAY_BARRIER_BIT: u32 = 0x00000001;

pub const VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: u32 = 0x889F;

pub const VERTEX_ATTRIB_ARRAY_DIVISOR: u32 = 0x88FE;

pub const VERTEX_ATTRIB_ARRAY_ENABLED: u32 = 0x8622;

pub const VERTEX_ATTRIB_ARRAY_INTEGER: u32 = 0x88FD;

pub const VERTEX_ATTRIB_ARRAY_LONG: u32 = 0x874E;

pub const VERTEX_ATTRIB_ARRAY_NORMALIZED: u32 = 0x886A;

pub const VERTEX_ATTRIB_ARRAY_POINTER: u32 = 0x8645;

pub const VERTEX_ATTRIB_ARRAY_SIZE: u32 = 0x8623;

pub const VERTEX_ATTRIB_ARRAY_STRIDE: u32 = 0x8624;

pub const VERTEX_ATTRIB_ARRAY_TYPE: u32 = 0x8625;

pub const VERTEX_ATTRIB_BINDING: u32 = 0x82D4;

pub const VERTEX_ATTRIB_RELATIVE_OFFSET: u32 = 0x82D5;

pub const VERTEX_BINDING_BUFFER: u32 = 0x8F4F;

pub const VERTEX_BINDING_DIVISOR: u32 = 0x82D6;

pub const VERTEX_BINDING_OFFSET: u32 = 0x82D7;

pub const VERTEX_BINDING_STRIDE: u32 = 0x82D8;

pub const VERTEX_PROGRAM_POINT_SIZE: u32 = 0x8642;

pub const VERTEX_SHADER: u32 = 0x8B31;

pub const VERTEX_SHADER_BIT: u32 = 0x00000001;

pub const VERTEX_SHADER_INVOCATIONS: u32 = 0x82F0;

pub const VERTEX_SUBROUTINE: u32 = 0x92E8;

pub const VERTEX_SUBROUTINE_UNIFORM: u32 = 0x92EE;

pub const VERTEX_TEXTURE: u32 = 0x829B;

pub const VERTICES_SUBMITTED: u32 = 0x82EE;

pub const VIEWPORT: u32 = 0x0BA2;

pub const VIEWPORT_BOUNDS_RANGE: u32 = 0x825D;

pub const VIEWPORT_INDEX_PROVOKING_VERTEX: u32 = 0x825F;

pub const VIEWPORT_SUBPIXEL_BITS: u32 = 0x825C;

pub const VIEW_CLASS_128_BITS: u32 = 0x82C4;

pub const VIEW_CLASS_16_BITS: u32 = 0x82CA;

pub const VIEW_CLASS_24_BITS: u32 = 0x82C9;

pub const VIEW_CLASS_32_BITS: u32 = 0x82C8;

pub const VIEW_CLASS_48_BITS: u32 = 0x82C7;

pub const VIEW_CLASS_64_BITS: u32 = 0x82C6;

pub const VIEW_CLASS_8_BITS: u32 = 0x82CB;

pub const VIEW_CLASS_96_BITS: u32 = 0x82C5;

pub const VIEW_CLASS_BPTC_FLOAT: u32 = 0x82D3;

pub const VIEW_CLASS_BPTC_UNORM: u32 = 0x82D2;

pub const VIEW_CLASS_RGTC1_RED: u32 = 0x82D0;

pub const VIEW_CLASS_RGTC2_RG: u32 = 0x82D1;

pub const VIEW_CLASS_S3TC_DXT1_RGB: u32 = 0x82CC;

pub const VIEW_CLASS_S3TC_DXT1_RGBA: u32 = 0x82CD;

pub const VIEW_CLASS_S3TC_DXT3_RGBA: u32 = 0x82CE;

pub const VIEW_CLASS_S3TC_DXT5_RGBA: u32 = 0x82CF;

pub const VIEW_COMPATIBILITY_CLASS: u32 = 0x82B6;

pub const WAIT_FAILED: u32 = 0x911D;

pub const WRITE_ONLY: u32 = 0x88B9;

pub const XOR: u32 = 0x1506;

pub const ZERO: u32 = 0;

pub const ZERO_TO_ONE: u32 = 0x935F;

mod __private {
    /// Prevents [`HasContext`] from being implemented outside of this crate.
    #[doc(hidden)]
    pub trait Sealed {}
}