pub struct PipelineParams {
    pub cull_face: CullFace,
    pub front_face_order: FrontFaceOrder,
    pub depth_test: Comparison,
    pub depth_write: bool,
    pub depth_write_offset: Option<(f32, f32)>,
    pub color_blend: Option<BlendState>,
    pub alpha_blend: Option<BlendState>,
    pub stencil_test: Option<StencilState>,
    pub color_write: (bool, bool, bool, bool),
    pub primitive_type: PrimitiveType,
}

Fields

cull_face: CullFacefront_face_order: FrontFaceOrderdepth_test: Comparisondepth_write: booldepth_write_offset: Option<(f32, f32)>color_blend: Option<BlendState>

Color (RGB) blend function. If None - blending will be disabled for this pipeline. Usual use case to get alpha-blending:

PipelineParams {
    color_blend: Some(BlendState::new(
        Equation::Add,
        BlendFactor::Value(BlendValue::SourceAlpha),
        BlendFactor::OneMinusValue(BlendValue::SourceAlpha))
    ),
    ..Default::default()
};
alpha_blend: Option<BlendState>

Alpha blend function. If None - alpha will be blended with same equation than RGB colors. One of possible separate alpha channel blend settings is to avoid blending with WebGl background. On webgl canvas’s resulting alpha channel will be used to blend the whole canvas background. To avoid modifying only alpha channel, but keep usual transparency:

PipelineParams {
    color_blend: Some(BlendState::new(
        Equation::Add,
        BlendFactor::Value(BlendValue::SourceAlpha),
        BlendFactor::OneMinusValue(BlendValue::SourceAlpha))
    ),
    alpha_blend: Some(BlendState::new(
        Equation::Add,
        BlendFactor::Zero,
        BlendFactor::One)
    ),
    ..Default::default()
};

The same results may be achieved with ColorMask(true, true, true, false)

stencil_test: Option<StencilState>color_write: (bool, bool, bool, bool)primitive_type: PrimitiveType

Trait Implementations

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