85 lines
2.4 KiB
Rust
85 lines
2.4 KiB
Rust
use librashader_presets::{ShaderPassConfig, TextureConfig};
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use librashader_reflect::reflect::semantics::{Semantic, TextureSemantics, UniformSemantic};
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use rustc_hash::FxHashMap;
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/// A map for variable names and uniform semantics
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pub type UniformSemanticsMap = FxHashMap<String, UniformSemantic>;
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/// A map for sampler names and texture semantics.
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pub type TextureSemanticsMap = FxHashMap<String, Semantic<TextureSemantics>>;
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/// Insert the available semantics for the input pass config into the provided semantic maps.
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pub fn insert_pass_semantics(
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uniform_semantics: &mut UniformSemanticsMap,
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texture_semantics: &mut TextureSemanticsMap,
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config: &ShaderPassConfig,
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) {
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let Some(alias) = &config.alias else {
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return;
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};
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// Ignore empty aliases
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if alias.trim().is_empty() {
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return;
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}
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let index = config.id as usize;
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// PassOutput
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texture_semantics.insert(
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alias.clone(),
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Semantic {
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semantics: TextureSemantics::PassOutput,
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index,
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},
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);
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uniform_semantics.insert(
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format!("{alias}Size"),
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UniformSemantic::Texture(Semantic {
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semantics: TextureSemantics::PassOutput,
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index,
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}),
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);
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// PassFeedback
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texture_semantics.insert(
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format!("{alias}Feedback"),
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Semantic {
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semantics: TextureSemantics::PassFeedback,
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index,
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},
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);
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uniform_semantics.insert(
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format!("{alias}FeedbackSize"),
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UniformSemantic::Texture(Semantic {
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semantics: TextureSemantics::PassFeedback,
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index,
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}),
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);
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}
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/// /// Insert the available semantics for the input texture config into the provided semantic maps.
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pub fn insert_lut_semantics(
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textures: &[TextureConfig],
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uniform_semantics: &mut UniformSemanticsMap,
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texture_semantics: &mut TextureSemanticsMap,
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) {
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for (index, texture) in textures.iter().enumerate() {
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texture_semantics.insert(
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texture.name.clone(),
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Semantic {
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semantics: TextureSemantics::User,
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index,
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},
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);
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uniform_semantics.insert(
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format!("{}Size", texture.name),
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UniformSemantic::Texture(Semantic {
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semantics: TextureSemantics::User,
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index,
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}),
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);
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}
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}
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