53 lines
2.2 KiB
Rust
53 lines
2.2 KiB
Rust
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use rustc_hash::FxHashMap;
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use windows::Win32::Graphics::Direct3D11::{D3D11_COMPARISON_NEVER, D3D11_FLOAT32_MAX, D3D11_SAMPLER_DESC, D3D11_TEXTURE_ADDRESS_MODE, ID3D11Device, ID3D11SamplerState};
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use librashader_common::{FilterMode, WrapMode};
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use crate::util::Result;
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pub struct SamplerSet {
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samplers: FxHashMap<(WrapMode, FilterMode), ID3D11SamplerState>
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}
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impl SamplerSet {
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pub fn new(device: &ID3D11Device) -> Result<SamplerSet> {
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let mut samplers = FxHashMap::default();
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let wrap_modes =
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&[WrapMode::ClampToBorder, WrapMode::ClampToEdge, WrapMode::Repeat, WrapMode::MirroredRepeat];
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for wrap_mode in wrap_modes {
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unsafe {
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let linear = device.CreateSamplerState(&D3D11_SAMPLER_DESC {
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Filter: FilterMode::Linear.into(),
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AddressU: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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AddressV: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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AddressW: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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MipLODBias: 0.0,
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MaxAnisotropy: 1,
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ComparisonFunc: D3D11_COMPARISON_NEVER,
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BorderColor: [0.0, 0.0, 0.0, 0.0],
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MinLOD: -D3D11_FLOAT32_MAX,
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MaxLOD: D3D11_FLOAT32_MAX,
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})?;
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let nearest = device.CreateSamplerState(&D3D11_SAMPLER_DESC {
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Filter: FilterMode::Nearest.into(),
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AddressU: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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AddressV: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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AddressW: D3D11_TEXTURE_ADDRESS_MODE::from(*wrap_mode),
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MipLODBias: 0.0,
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MaxAnisotropy: 1,
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ComparisonFunc: D3D11_COMPARISON_NEVER,
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BorderColor: [0.0, 0.0, 0.0, 0.0],
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MinLOD: -D3D11_FLOAT32_MAX,
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MaxLOD: D3D11_FLOAT32_MAX,
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})?;
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samplers.insert((*wrap_mode, FilterMode::Linear), linear);
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samplers.insert((*wrap_mode, FilterMode::Nearest), nearest);
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}
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}
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Ok(SamplerSet {
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samplers
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})
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}
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}
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