Struct re_renderer::global_bindings::FrameUniformBuffer

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#[repr(C)]
pub struct FrameUniformBuffer {
    pub view_from_world: Mat4x3,
    pub projection_from_view: Mat4,
    pub projection_from_world: Mat4,
    pub camera_position: Vec3,
    pub pixel_world_size_from_camera_distance: f32,
    pub camera_forward: Vec3,
    pub pixels_per_point: f32,
    pub tan_half_fov: Vec2RowPadded,
    pub device_tier: U32RowPadded,
}
Expand description

Mirrors the GPU contents of a frame-global uniform buffer.

Contains information that is constant for a single frame like camera. (does not contain information that is special to a particular renderer)

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§view_from_world: Mat4x3§projection_from_view: Mat4§projection_from_world: Mat4§camera_position: Vec3

Camera position in world space.

§pixel_world_size_from_camera_distance: f32

For perspective: Multiply this with a camera distance to get a measure of how wide a pixel is in world units. For orthographic: This is the world size value, independent of distance.

§camera_forward: Vec3

Camera direction in world space. Same as -view_from_world.row(2).truncate()

§pixels_per_point: f32

How many pixels there are per point. I.e. the UI zoom factor

§tan_half_fov: Vec2RowPadded

(tan(fov_y / 2) * aspect_ratio, tan(fov_y /2)), i.e. half ratio of screen dimension to screen distance in x & y. Both values are set to f32max for orthographic projection

§device_tier: U32RowPadded

re_renderer defined device tier.

Trait Implementations§

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impl Clone for FrameUniformBuffer

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fn clone(&self) -> FrameUniformBuffer

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Zeroable for FrameUniformBuffer

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fn zeroed() -> Self

Calls zeroed. Read more
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impl Copy for FrameUniformBuffer

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impl Pod for FrameUniformBuffer

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