Struct glow::Context

pub struct Context { /* fields omitted */ }

Implementations

impl Context

pub fn from_webgl1_context(context: WebGlRenderingContext) -> Self

pub fn from_webgl2_context(context: WebGl2RenderingContext) -> Self

pub unsafe fn tex_image_2d_with_html_image(
    &self,
    target: u32,
    level: i32,
    internal_format: i32,
    format: u32,
    ty: u32,
    image: &HtmlImageElement
)

pub unsafe fn tex_image_2d_with_image_bitmap(
    &self,
    target: u32,
    level: i32,
    internal_format: i32,
    format: u32,
    ty: u32,
    pixels: &ImageBitmap
)

pub unsafe fn tex_image_2d_with_html_canvas(
    &self,
    target: u32,
    level: i32,
    internal_format: i32,
    format: u32,
    ty: u32,
    canvas: &HtmlCanvasElement
)

pub unsafe fn tex_sub_image_2d_with_html_image(
    &self,
    target: u32,
    level: i32,
    x_offset: i32,
    y_offset: i32,
    format: u32,
    ty: u32,
    image: &HtmlImageElement
)

Trait Implementations

impl Debug for Context

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl HasContext for Context

type Shader = WebShaderKey

type Program = WebProgramKey

type Buffer = WebBufferKey

type VertexArray = WebVertexArrayKey

type Texture = WebTextureKey

type Sampler = WebSamplerKey

type Fence = WebFenceKey

type Framebuffer = WebFramebufferKey

type Renderbuffer = WebRenderbufferKey

type Query = WebQueryKey

type UniformLocation = WebGlUniformLocation

type TransformFeedback = WebTransformFeedbackKey

fn supports_debug(&self) -> bool

unsafe fn create_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 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_compile_status(&self, shader: Self::Shader) -> bool

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

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

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

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

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 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_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 create_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() -> bool

unsafe fn clear_depth_f64(&self, _depth: f64)

unsafe fn clear_depth_f32(&self, depth: f32)

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

unsafe fn buffer_sub_data_u8_slice(
    &self,
    target: u32,
    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 clear_buffer_i32_slice(
    &self,
    target: u32,
    draw_buffer: u32,
    values: &mut [i32]
)

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

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

unsafe fn clear_buffer_depth_stencil(
    &self,
    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 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 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, sampler: 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_buffer(&self, draw_buffer: 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 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_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 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_buffer_parameter_i32(&self, target: u32, parameter: u32) -> i32

unsafe fn get_parameter_i32(&self, parameter: u32) -> i32

unsafe fn get_parameter_i32_slice(&self, parameter: u32, v: &mut [i32])

unsafe fn get_parameter_f32(&self, parameter: u32) -> f32

unsafe fn get_parameter_f32_slice(&self, parameter: u32, v: &mut [f32])

unsafe fn get_parameter_indexed_i32(&self, parameter: u32, index: u32) -> i32

unsafe fn get_parameter_indexed_string(
    &self,
    parameter: u32,
    index: u32
) -> String

unsafe fn get_parameter_string(&self, parameter: 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: &mut [f32]
)

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

unsafe fn generate_mipmap(&self, target: u32)

unsafe fn tex_image_1d(
    &self,
    _target: u32,
    _level: i32,
    _internal_format: i32,
    _width: i32,
    _border: i32,
    _format: u32,
    _ty: u32,
    _pixels: Option<&[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: Option<&[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: Option<&[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 tex_storage_3d(
    &self,
    target: u32,
    levels: i32,
    internal_format: u32,
    width: i32,
    height: i32,
    depth: i32
)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

unsafe fn uniform_matrix_4_f32_slice(
    &self,
    uniform_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,
    _draw_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 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_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 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 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 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_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_attrib_divisor(&self, index: u32, divisor: u32)

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_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_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 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_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 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,
    _draw_buffer: u32,
    _mode_rgb: u32,
    _mode_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>(&self, _callback: F) where
    F: FnMut(u32, u32, u32, u32, &str), 

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 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 read_pixels(
    &self,
    x: i32,
    y: i32,
    width: i32,
    height: i32,
    format: u32,
    gltype: u32,
    pixels: PixelPackData<'_>
)

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

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

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

unsafe fn end_query(&self, target: u32)

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

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

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

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)