Struct glin::Fbo

pub struct Fbo<C = ColorAttachment, D = DepthAttachment> { /* fields omitted */ }

Wrapper for an OpenGL frame buffer object

Contains a depth attachment and optionally 1 or more color attachments

Implementations

impl<C, D> Fbo<C, D>

pub fn with_depth<'a, D2: BorrowDepthAttach>(
    &'a self,
    depth: D2
) -> Result<Fbo<&'a C, D2>> where
    &'a C: BorrowColorAttach, 

pub fn with_colors<'a, C2: BorrowColorAttach>(
    &'a self,
    colors: Vec<C2>
) -> Result<Fbo<C2, &'a D>> where
    &'a D: BorrowDepthAttach, 

pub fn with_colors_no_depth<C2>(&self, colors: Vec<C2>) -> Result<Fbo<C2>> where
    C2: BorrowColorAttach, 

pub fn with<C2, D2, DD>(
    &self,
    colors: Vec<C2>,
    depth: DD
) -> Result<Fbo<C2, D2>> where
    C2: BorrowColorAttach,
    D2: BorrowDepthAttach,
    DD: Into<Option<D2>>, 

impl<C, D> Fbo<C, D>

pub fn blit<C2, D2>(
    &self,
    fbo2: &mut Fbo<C2, D2>,
    src_rect: &Rect,
    dst_rect: &Rect
)

Copy the contents of the color attachments of this Fbo to dst

From the src_rect rectangle to dst_rect

pub fn blit_color_attachment<C2, D2>(
    &self,
    attachment: u32,
    fbo2: &mut Fbo<C2, D2>,
    src_rect: &Rect,
    dst_rect: &Rect
)

Copy the contents of the color attachments of this Fbo to dst

From the src_rect rectangle to dst_rect

pub fn blit_depth<C2, D2>(
    &self,
    fbo2: &mut Fbo<C2, D2>,
    src_rect: &Rect,
    dst_rect: &Rect
)

Copy the contents of the depth attachments of this Fbo to dst

From the src_rect rectangle to dst_rect

pub fn invalidate_color(&self)

pub fn invalidate_depth(&self)

pub fn id(&self) -> GLuint

GL id

pub fn color(&self, idx: usize) -> Option<&C>

Returns the color attachent idx if it exists

pub fn depth(&self) -> Option<&D>

Returns the depth attachent

pub fn into_attachments(self) -> (Vec<C>, Option<D>)

pub unsafe fn read_to<T>(
    &self,
    x: i32,
    y: i32,
    width: i32,
    height: i32,
    format: GLenum,
    ty: GLenum,
    pixels: &mut [T]
)

pub unsafe fn read_to_buffer<T, B: BufferRange<T>>(
    &self,
    x: i32,
    y: i32,
    width: i32,
    height: i32,
    format: GLenum,
    ty: GLenum,
    buffer: &mut B
)

impl<C: BorrowColorAttach, D: BorrowDepthAttach> Fbo<C, D>

pub fn viewport(&self) -> Rect

Returns the default viewport for this Fbo

pub fn width(&self) -> u32

Returns the width for this Fbo

pub fn height(&self) -> u32

Returns the height for this Fbo

pub fn aspect_ratio(&self) -> f32

Returns the aspect ratio for this Fbo

pub fn size(&self) -> (u32, u32)

Returns the width and height for this Fbo

impl<C: Borrow<ColorAttachment>, D: Borrow<DepthAttachment>> Fbo<C, D>

pub fn color_tex(&self, idx: usize) -> Option<&Texture>

Returns the color attachent idx’s texture if it exists

pub fn color_cubemap(&self, idx: usize) -> Option<&CubeMap>

Returns the color attachent idx’s cubemap if it exists

pub fn depth_tex(&self) -> Option<&Texture>

Returns the depth attachment texture if it exists

pub fn depth_cubemap(&self) -> Option<&CubeMap>

Returns the depth attachment cubemap if it exists

impl<C: BorrowMut<ColorAttachment>, D: BorrowMut<DepthAttachment>> Fbo<C, D>

pub fn color_tex_mut(&mut self, idx: usize) -> Option<&mut Texture>

Mutably returns the color attachent idx’s texture if it exists

pub fn depth_tex_mut(&mut self) -> Option<&mut Texture>

Mutably returns the depth attachment texture if it exists

Trait Implementations

impl<C: Debug, D: Debug> Debug for Fbo<C, D>

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

Formats the value using the given formatter.

impl<'a, C: BorrowColorAttach, D: BorrowDepthAttach> OffscreenBuffer for Fbo<C, D>

type ColorAttach = C

type DepthAttach = D

fn render_buffer(&self) -> &Fbo<C, D>

fn color_attachment(&self, idx: usize) -> Option<&C>

fn depth_attachment(&self) -> Option<&Self::DepthAttach>

impl<'a, C: BorrowColorAttach, D: BorrowDepthAttach> OffscreenBuffer for &'a Fbo<C, D>

type ColorAttach = C

type DepthAttach = D

fn render_buffer(&self) -> &Fbo<C, D>

fn color_attachment(&self, idx: usize) -> Option<&C>

fn depth_attachment(&self) -> Option<&Self::DepthAttach>