Trait gfx::pso::DataLink

pub trait DataLink<'a>: Sized {
    type Init: 'a;
    fn new() -> Self;
    fn is_active(&self) -> bool;

    fn link_vertex_buffer(
        &mut self, 
        _: BufferIndex, 
        _: &Self::Init
    ) -> Option<VertexBufferDesc> { ... }
    fn link_input(
        &mut self, 
        _: &AttributeVar, 
        _: &Self::Init
    ) -> Option<Result<AttributeDesc, Format>> { ... }
    fn link_constant_buffer<'b>(
        &mut self, 
        _: &'b ConstantBufferVar, 
        _: &Self::Init
    ) -> Option<Result<ConstantBufferDesc, ElementError<&'b str>>> { ... }
    fn link_global_constant(
        &mut self, 
        _: &ConstVar, 
        _: &Self::Init
    ) -> Option<Result<(), CompatibilityError>> { ... }
    fn link_output(
        &mut self, 
        _: &OutputVar, 
        _: &Self::Init
    ) -> Option<Result<ColorTargetDesc, Format>> { ... }
    fn link_depth_stencil(&mut self, _: &Self::Init) -> Option<DepthStencilDesc> { ... }
    fn link_resource_view(
        &mut self, 
        _: &TextureVar, 
        _: &Self::Init
    ) -> Option<Result<ResourceViewDesc, Format>> { ... }
    fn link_unordered_view(
        &mut self, 
        _: &UnorderedVar, 
        _: &Self::Init
    ) -> Option<Result<UnorderedViewDesc, Format>> { ... }
    fn link_sampler(
        &mut self, 
        _: &SamplerVar, 
        _: &Self::Init
    ) -> Option<SamplerDesc> { ... }
    fn link_scissor(&mut self) -> bool { ... }
}

The “link” logic portion of a PSO component. Defines the input data for the component.

Associated Types

type Init: 'a

The assotiated “init” type - a member of the PSO “init” struct.

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Required methods

fn new() -> Self

Create a new empty data link.

fn is_active(&self) -> bool

Check if this link is actually used by the shader.

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Provided methods

fn link_vertex_buffer(
    &mut self,
    _: BufferIndex,
    _: &Self::Init
) -> Option<VertexBufferDesc>

Attempt to link with a vertex buffer containing multiple attributes.

fn link_input(
    &mut self,
    _: &AttributeVar,
    _: &Self::Init
) -> Option<Result<AttributeDesc, Format>>

Attempt to link with a vertex attribute.

fn link_constant_buffer<'b>(
    &mut self,
    _: &'b ConstantBufferVar,
    _: &Self::Init
) -> Option<Result<ConstantBufferDesc, ElementError<&'b str>>>

Attempt to link with a constant buffer.

fn link_global_constant(
    &mut self,
    _: &ConstVar,
    _: &Self::Init
) -> Option<Result<(), CompatibilityError>>

Attempt to link with a global constant.

fn link_output(
    &mut self,
    _: &OutputVar,
    _: &Self::Init
) -> Option<Result<ColorTargetDesc, Format>>

Attempt to link with an output render target (RTV).

fn link_depth_stencil(&mut self, _: &Self::Init) -> Option<DepthStencilDesc>

Attempt to link with a depth-stencil target (DSV).

fn link_resource_view(
    &mut self,
    _: &TextureVar,
    _: &Self::Init
) -> Option<Result<ResourceViewDesc, Format>>

Attempt to link with a shader resource (SRV).

fn link_unordered_view(
    &mut self,
    _: &UnorderedVar,
    _: &Self::Init
) -> Option<Result<UnorderedViewDesc, Format>>

Attempt to link with an unordered access (UAV).

fn link_sampler(
    &mut self,
    _: &SamplerVar,
    _: &Self::Init
) -> Option<SamplerDesc>

Attempt to link with a sampler.

fn link_scissor(&mut self) -> bool

Attempt to enable scissor test.

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Implementors

impl<'a> DataLink<'a> for RawConstantBuffer

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_constant_buffer<'b>(
    &mut self,
    cb: &'b ConstantBufferVar,
    init: &Self::Init
) -> Option<Result<ConstantBufferDesc, ElementError<&'b str>>>

impl<'a> DataLink<'a> for RawGlobal

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_global_constant(
    &mut self,
    var: &ConstVar,
    init: &Self::Init
) -> Option<Result<(), CompatibilityError>>

impl<'a> DataLink<'a> for RawVertexBuffer

type Init = (&'a [(&'a str, Element<Format>)], ElemStride, InstanceRate)

fn new() -> Self

fn is_active(&self) -> bool

fn link_vertex_buffer(
    &mut self,
    index: BufferIndex,
    init: &Self::Init
) -> Option<VertexBufferDesc>

fn link_input(
    &mut self,
    at: &AttributeVar,
    init: &Self::Init
) -> Option<Result<AttributeDesc, Format>>

impl<'a> DataLink<'a> for RawShaderResource

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_resource_view(
    &mut self,
    var: &TextureVar,
    init: &Self::Init
) -> Option<Result<ResourceViewDesc, Format>>

impl<'a> DataLink<'a> for Sampler

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_sampler(
    &mut self,
    var: &SamplerVar,
    init: &Self::Init
) -> Option<SamplerDesc>

impl<'a> DataLink<'a> for BlendRef

type Init = ()

fn new() -> Self

fn is_active(&self) -> bool

impl<'a> DataLink<'a> for RawRenderTarget

type Init = (&'a str, Format, ColorMask, Option<Blend>)

fn new() -> Self

fn is_active(&self) -> bool

fn link_output(
    &mut self,
    out: &OutputVar,
    init: &Self::Init
) -> Option<Result<ColorTargetDesc, Format>>

impl<'a> DataLink<'a> for Scissor

type Init = ()

fn new() -> Self

fn is_active(&self) -> bool

fn link_scissor(&mut self) -> bool

impl<'a, T> DataLink<'a> for ShaderResource<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_resource_view(
    &mut self,
    var: &TextureVar,
    init: &Self::Init
) -> Option<Result<ResourceViewDesc, Format>>

impl<'a, T> DataLink<'a> for TextureSampler<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_resource_view(
    &mut self,
    var: &TextureVar,
    init: &Self::Init
) -> Option<Result<ResourceViewDesc, Format>>

fn link_sampler(
    &mut self,
    var: &SamplerVar,
    init: &Self::Init
) -> Option<SamplerDesc>

impl<'a, T> DataLink<'a> for UnorderedAccess<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_unordered_view(
    &mut self,
    var: &UnorderedVar,
    init: &Self::Init
) -> Option<Result<UnorderedViewDesc, Format>>

impl<'a, T: BlendFormat> DataLink<'a> for BlendTarget<T>

type Init = (&'a str, ColorMask, Blend)

fn new() -> Self

fn is_active(&self) -> bool

fn link_output(
    &mut self,
    out: &OutputVar,
    init: &Self::Init
) -> Option<Result<ColorTargetDesc, Format>>

impl<'a, T: DepthFormat> DataLink<'a> for DepthTarget<T>

type Init = Depth

fn new() -> Self

fn is_active(&self) -> bool

fn link_depth_stencil(&mut self, init: &Self::Init) -> Option<DepthStencilDesc>

impl<'a, T: DepthStencilFormat> DataLink<'a> for DepthStencilTarget<T>

type Init = (Depth, Stencil)

fn new() -> Self

fn is_active(&self) -> bool

fn link_depth_stencil(&mut self, init: &Self::Init) -> Option<DepthStencilDesc>

impl<'a, T: RenderFormat> DataLink<'a> for RenderTarget<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_output(
    &mut self,
    out: &OutputVar,
    init: &Self::Init
) -> Option<Result<ColorTargetDesc, Format>>

impl<'a, T: StencilFormat> DataLink<'a> for StencilTarget<T>

type Init = Stencil

fn new() -> Self

fn is_active(&self) -> bool

fn link_depth_stencil(&mut self, init: &Self::Init) -> Option<DepthStencilDesc>

impl<'a, T: Structure<Format>, I: ToInstanceRate + 'a> DataLink<'a> for VertexBufferCommon<T, I>

type Init = I::Init

fn new() -> Self

fn is_active(&self) -> bool

fn link_vertex_buffer(
    &mut self,
    index: BufferIndex,
    init: &Self::Init
) -> Option<VertexBufferDesc>

fn link_input(
    &mut self,
    at: &AttributeVar,
    _: &Self::Init
) -> Option<Result<AttributeDesc, Format>>

impl<'a, T: Structure<ConstFormat>> DataLink<'a> for ConstantBuffer<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_constant_buffer<'b>(
    &mut self,
    cb: &'b ConstantBufferVar,
    init: &Self::Init
) -> Option<Result<ConstantBufferDesc, ElementError<&'b str>>>

impl<'a, T: ToUniform + Default> DataLink<'a> for Global<T>

type Init = &'a str

fn new() -> Self

fn is_active(&self) -> bool

fn link_global_constant(
    &mut self,
    var: &ConstVar,
    init: &Self::Init
) -> Option<Result<(), CompatibilityError>>

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