Struct glin::simple_vao::SimpleVao

pub struct SimpleVao<T> { /* fields omitted */ }

Is a simplified version of VAO

It only allows relations of the type buffer <- attributes

It also holds a draw mode so it can be directly used as a VaoDraw

Implementations

impl<T: 'static> SimpleVao<T>

pub fn id(&self) -> u32

GL id

pub fn range<R: InputRange>(&self, range: R, mode: GLenum) -> Range<'_>

Returns a Range which specifies a range of vertices and a drawing mode

Used to draw a portion of a Vao through a Context

pub fn range_base_vertex<R: InputRange>(
    &self,
    range: R,
    base_vertex: i32,
    mode: GLenum
) -> Range<'_>

Returns a Range which specifies a range of vertices and a drawing mode

Used to draw a portion of a VAO through a Context

base_vertex adds an offset to the indices See glDrawElementsBaseVertex

pub fn range_base_instance<R: InputRange>(
    &self,
    range: R,
    base_instance: u32,
    mode: GLenum
) -> Range<'_>

Returns a Range which specifies a range of vertices and a drawing mode

Used to draw a portion of a VAO through a Context

base_instance adds an offset to the instanced attributes index See glDrawArraysInstancedBaseInstance

pub fn range_base_vertex_base_instance<R: InputRange>(
    &self,
    range: R,
    base_vertex: i32,
    base_instance: u32,
    mode: GLenum
) -> Range<'_>

Returns a Range which specifies a range of vertices and a drawing mode

Used to draw a portion of a VAO through a Context

• base_vertex adds an offset to the indices
• base_instance adds an offset to the instanced attributes index

See glDrawElementsBaseVertexBaseInstance

pub fn full_range(&self) -> Range<'_>

Returns the full range of the SimpleVao vertices

Used to draw the full SimpleVao through a Context

pub fn full_range_base_vertex(&self, base_vertex: i32) -> Range<'_>

Returns the full range of the SimpleVao vertices

Used to draw the full SimpleVao through a Context base_vertex adds an offset to the indices See glDrawElementsBaseVertex

pub fn full_range_base_instance(&self, base_instance: u32) -> Range<'_>

Returns the full range of the SimpleVao vertices

Used to draw the full SimpleVao through a Context base_vertex adds an offset to the indices See glDrawArraysInstancedBaseInstance

pub fn full_range_base_vertex_base_instance(
    &self,
    base_vertex: i32,
    base_instance: u32
) -> Range<'_>

Returns the full range of the SimpleVao vertices

Used to draw the full SimpleVao through a Context

• base_vertex adds an offset to the indices
• base_instance adds an offset to the instanced attributes index

See glDrawElementsBaseVertexBaseInstance

pub fn into_range<R: InputRange>(self, range: R) -> IntoRange

Consumes the SimpleVao into a range

pub fn into_range_base_vertex<R: InputRange>(
    self,
    range: R,
    base_vertex: i32
) -> IntoRange

Consumes the SimpleVao into a range

base_vertex adds an offset to the indices See glDrawElementsBaseVertex

pub fn into_range_base_instance<R: InputRange>(
    self,
    range: R,
    base_instance: u32
) -> IntoRange

Consumes the SimpleVao into a range

base_instance adds an offset to the instanced attributes index See glDrawArraysInstancedBaseInstance

pub fn into_range_base_vertex_base_instance<R: InputRange>(
    self,
    range: R,
    base_vertex: i32,
    base_instance: u32
) -> IntoRange

Consumes the SimpleVao into a range

• base_vertex adds an offset to the indices
• base_instance adds an offset to the instanced attributes index

See glDrawElementsBaseVertexBaseInstance

pub fn into_full_range(self) -> IntoRange

Consumes the SimpleVao into it’s full range

pub fn into_full_range_base_vertex(self, base_vertex: i32) -> IntoRange

Consumes the SimpleVao into it’s full range

base_vertex adds an offset to the indices See glDrawElementsBaseVertex

pub fn into_full_range_base_instance(self, base_instance: u32) -> IntoRange

Consumes the SimpleVao into it’s full range

base_instance adds an offset to the instanced attributes index See glDrawArraysBaseInstance

pub fn into_full_range_base_vertex_base_instance(
    self,
    base_vertex: i32,
    base_instance: u32
) -> IntoRange

Consumes the SimpleVao into it’s full range

• base_vertex adds an offset to the indices
• base_instance adds an offset to the instanced attributes index

See glDrawElementsBaseVertexBaseInstance

pub fn buffer(&self) -> &Buffer<T>

Reference to the internal buffer

pub fn buffer_mut(&mut self) -> &mut Buffer<T>

Mutable reference to the internal buffer

pub fn load<'a, D: Into<Data<'a, T>>>(&mut self, data: D, usage: GLenum)

Load data into the internal buffer and indices (re)allocating them

pub fn load_vertices<V: AsRef<[T]>>(&mut self, data: V, usage: GLenum)

Load vertices into the internal buffer (re)allocating it

pub fn load_indices(&mut self, indices: &[IndexT], usage: GLenum) -> Result<()>

Load indices into the internal buffer (re)allocating it

pub fn update_vertices<V: AsRef<[T]>>(&mut self, data: V)

Update the vertices in the internal buffer

Will panic if the capacity of the buffer is not enough to hold the passed data

pub fn update_indices(&mut self, indices: &[IndexT])

Update the indices in the internal buffer

Will panic if the capacity of the buffer is not enough to hold the passed data

pub fn enable(&mut self, attr_name: &str) -> Result<()>

Enable an attribute by name

pub fn disable(&mut self, attr_name: &str) -> Result<()>

Disable an attribute by name

pub fn enable_indices(&mut self)

Enable the indices in the VAO

pub fn disable_indices(&mut self)

Disable the indices in the VAO

pub fn len(&self) -> usize

Returns the len of the internal vertex buffer

pub fn len_indices(&self) -> usize

Returns the len of the internal index buffer

pub fn is_empty(&self) -> bool

pub fn mode(&self) -> GLenum

Returns the draw mode

pub fn capacity(&self) -> usize

Returns the capacity of the internal vertex buffer

pub fn capacity_indices(&self) -> usize

Returns the capacity of the internal index buffer

pub fn set_mode(&mut self, mode: GLenum)

Change the draw mode

pub fn into_vao(self) -> Vao

Trait Implementations

impl<T> Debug for SimpleVao<T>

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

Formats the value using the given formatter.

impl<T> PartialEq<SimpleVao<T>> for SimpleVao<T>

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]

pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<'a, T> VaoDraw for &'a SimpleVao<T>

fn mode(&self) -> GLenum

impl<'a, T> VaoDraw for &'a mut SimpleVao<T>

fn mode(&self) -> GLenum

impl<'a, T> VaoRange for &'a SimpleVao<T>

fn id(&self) -> GLuint

fn start(&self) -> usize

fn end(&self) -> usize

fn count(&self) -> usize

fn num_indices(&self) -> usize

fn num_vertices(&self) -> usize

fn has_indices(&self) -> bool

fn base_vertex(&self) -> Option<i32>

fn base_instance(&self) -> Option<u32>

impl<'a, T> VaoRange for &'a mut SimpleVao<T>

fn id(&self) -> GLuint

fn start(&self) -> usize

fn end(&self) -> usize

fn count(&self) -> usize

fn num_indices(&self) -> usize

fn num_vertices(&self) -> usize

fn has_indices(&self) -> bool

fn base_vertex(&self) -> Option<i32>

fn base_instance(&self) -> Option<u32>

impl<T> Eq for SimpleVao<T>