Textures working a little bit
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SSH key fingerprint:
SHA256:JwuqS+eVfISfKr+DkDQ6NWAbGd1jFAHkPpCM1yCnlTs
7 changed files with 407 additions and 84 deletions
51
Cargo.lock
generated
51
Cargo.lock
generated
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@ -1207,9 +1207,9 @@ dependencies = [
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[[package]]
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name = "image"
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version = "0.25.5"
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version = "0.25.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cd6f44aed642f18953a158afeb30206f4d50da59fbc66ecb53c66488de73563b"
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checksum = "db35664ce6b9810857a38a906215e75a9c879f0696556a39f59c62829710251a"
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dependencies = [
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"bytemuck",
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"byteorder-lite",
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@ -1359,10 +1359,11 @@ dependencies = [
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[[package]]
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name = "js-sys"
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version = "0.3.72"
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version = "0.3.77"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6a88f1bda2bd75b0452a14784937d796722fdebfe50df998aeb3f0b7603019a9"
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checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
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dependencies = [
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"once_cell",
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"wasm-bindgen",
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]
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@ -2258,7 +2259,7 @@ dependencies = [
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name = "ray-tracing-image"
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version = "0.1.0"
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dependencies = [
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"image 0.25.5",
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"image 0.25.6",
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"rand",
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"ray-tracing-core",
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"ray-tracing-renderer",
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@ -2290,6 +2291,7 @@ name = "ray-tracing-pbrt-scene"
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version = "0.1.0"
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dependencies = [
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"clap",
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"image 0.25.6",
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"miette",
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"nom 8.0.0",
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"ray-tracing-core",
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@ -2462,6 +2464,12 @@ dependencies = [
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"windows-sys 0.60.2",
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]
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[[package]]
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name = "rustversion"
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version = "1.0.22"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
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[[package]]
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name = "ryu"
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version = "1.0.18"
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@ -2530,9 +2538,9 @@ dependencies = [
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[[package]]
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name = "serde_json"
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version = "1.0.133"
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version = "1.0.142"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
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checksum = "030fedb782600dcbd6f02d479bf0d817ac3bb40d644745b769d6a96bc3afc5a7"
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dependencies = [
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"itoa",
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"memchr",
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@ -3077,24 +3085,24 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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[[package]]
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name = "wasm-bindgen"
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version = "0.2.95"
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version = "0.2.100"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
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checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
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dependencies = [
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"cfg-if",
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"once_cell",
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"rustversion",
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"wasm-bindgen-macro",
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]
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[[package]]
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name = "wasm-bindgen-backend"
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version = "0.2.95"
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version = "0.2.100"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
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checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
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dependencies = [
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"bumpalo",
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"log",
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"once_cell",
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"proc-macro2",
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"quote",
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"syn 2.0.89",
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@ -3103,9 +3111,9 @@ dependencies = [
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[[package]]
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name = "wasm-bindgen-macro"
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version = "0.2.95"
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version = "0.2.100"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
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checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
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dependencies = [
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"quote",
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"wasm-bindgen-macro-support",
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@ -3113,9 +3121,9 @@ dependencies = [
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[[package]]
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name = "wasm-bindgen-macro-support"
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version = "0.2.95"
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version = "0.2.100"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
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checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -3126,9 +3134,12 @@ dependencies = [
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[[package]]
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name = "wasm-bindgen-shared"
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version = "0.2.95"
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version = "0.2.100"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
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checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "wayland-client"
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@ -3205,9 +3216,9 @@ dependencies = [
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[[package]]
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name = "web-sys"
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version = "0.3.72"
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version = "0.3.77"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f6488b90108c040df0fe62fa815cbdee25124641df01814dd7282749234c6112"
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checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
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dependencies = [
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"js-sys",
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"wasm-bindgen",
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@ -9,3 +9,4 @@ clap = { version = "4.5.41", features = ["derive"] }
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miette = { version = "7.6.0", features = ["fancy"] }
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nom = "8.0.0"
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thiserror = "2.0.12"
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image = "0.25.6"
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@ -25,9 +25,9 @@ struct Lexer {
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}
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impl Lexer {
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fn new(path: impl AsRef<Path>) -> Result<Self> {
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fn new(path: PathBuf, base_path: PathBuf) -> Result<Self> {
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Ok(Self {
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input: Tokenizer::new(path)?,
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input: Tokenizer::new(path, base_path)?,
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})
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}
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}
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@ -396,7 +396,7 @@ impl Lexer {
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"Rotate" => Some(parse_rotate(&mut self.input)),
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"Transform" => Some(parse_transform(&mut self.input).map(Statement::Transform)),
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"Texture" => Some(
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texture::parse_texture(&mut self.input)
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texture::parse_texture(&mut self.input, textures)
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.map(|(name, texture)| Statement::Texture(name, texture)),
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),
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"ConcatTransform" => {
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@ -545,23 +545,25 @@ impl<I: Iterator<Item = Result<u8, std::io::Error>>> Iterator for BytesToChar<I>
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}
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}
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struct Parser<P> {
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path: P,
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inner: Option<Box<Parser<PathBuf>>>,
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struct Parser {
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path: PathBuf,
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base_path: PathBuf,
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inner: Option<Box<Parser>>,
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iter: Lexer,
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}
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impl<P: AsRef<Path> + std::fmt::Debug> Parser<P> {
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fn new(path: P) -> Result<Self> {
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impl Parser {
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fn new(path: PathBuf, base_path: PathBuf) -> Result<Self> {
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Ok(Self {
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iter: Lexer::new(path.as_ref())?,
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iter: Lexer::new(path.clone(), base_path.clone())?,
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base_path,
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path,
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inner: None,
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})
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}
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}
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impl<P: AsRef<Path>> Parser<P> {
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impl Parser {
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fn next(
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&mut self,
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textures: &HashMap<String, Arc<dyn PbrtTexture>>,
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@ -575,8 +577,8 @@ impl<P: AsRef<Path>> Parser<P> {
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match self.iter.next(textures) {
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Some(Ok(Statement::Include(s))) => {
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let path = self.path.as_ref().parent().unwrap().join(s);
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self.inner = Some(Box::new(Parser::new(path).unwrap()));
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let path = self.path.parent().unwrap().join(s);
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self.inner = Some(Box::new(Parser::new(path, self.base_path.clone()).unwrap()));
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self.next(textures)
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}
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@ -670,7 +672,13 @@ fn inner_parse_pbrt(path: impl AsRef<Path> + std::fmt::Debug) -> Result<Pbrt> {
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// unwrap on context.last() ok because context is never empty
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let mut context_ctm = vec![AffineTransform::identity()];
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let mut parser = Parser::new(path)?;
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let mut parser = Parser::new(
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path.as_ref().to_path_buf(),
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path.as_ref()
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.parent()
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.ok_or_else(|| miette!("parent from file not found"))?
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.to_path_buf(),
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)?;
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// parse global settings
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@ -761,10 +769,15 @@ fn inner_parse_pbrt(path: impl AsRef<Path> + std::fmt::Debug) -> Result<Pbrt> {
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Statement::Unknown(s, _items) => {
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eprintln!("Unknown statement: {s}")
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}
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Statement::Texture(name, texture) => {
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textures.insert(name, texture);
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}
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s => bail!("unexpected statemnet in world settings: {s:?}"),
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}
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}
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dbg!(textures);
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Ok(pbrt)
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}
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@ -1,19 +1,23 @@
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use imagemap::{ImageMapEncoding, ImageMapWrap, SpectrumImageMapTexture};
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use miette::{Result, miette};
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use ray_tracing_core::{color::Color, prelude::Float};
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use std::sync::Arc;
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use ray_tracing_core::{affine_transform::AffineTransform, color::Color, prelude::Float};
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use std::{collections::HashMap, ops::Deref, sync::Arc};
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use crate::tokenizer::Tokenizer;
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pub trait PbrtTexture: std::fmt::Debug {
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mod checkerboard;
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mod imagemap;
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pub trait PbrtTexture: std::fmt::Debug + Send + Sync {
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fn get_2d_float_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_float_texture>>;
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fn get_2d_spectrum_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_spectrum_texture>>;
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}
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pub trait Pbrt_2d_float_texture: std::fmt::Debug {
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pub trait Pbrt_2d_float_texture: std::fmt::Debug + Sync + Send {
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fn get(&self, u: Float, v: Float) -> Float;
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}
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pub trait Pbrt_2d_spectrum_texture: std::fmt::Debug {
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pub trait Pbrt_2d_spectrum_texture: std::fmt::Debug + Sync + Send {
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fn get(&self, u: Float, v: Float) -> Color;
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}
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@ -33,12 +37,20 @@ impl TextureMapping {
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}
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}
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pub fn parse_texture(input: &mut Tokenizer) -> Result<(String, Arc<dyn PbrtTexture>)> {
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let texture_name: String = input.parse_next()?;
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let texture_type: String = input.parse_next()?;
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fn parse_spectrum(input: &mut Tokenizer) -> Result<Color> {
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todo!()
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}
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fn parse_rgb(input: &mut Tokenizer) -> Result<Color> {
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let t = input.parse_list()?;
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Ok(Color::new(t[0], t[1], t[2]))
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}
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fn parse_spectrum_texture(
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input: &mut Tokenizer,
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textures: &HashMap<String, Arc<dyn PbrtTexture>>,
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) -> Result<Arc<dyn PbrtTexture>> {
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let texture_class: String = input.parse_next()?;
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match texture_class.as_str() {
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"\"checkerboard\"" => {
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let t = parse_dict!(input =>
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@ -47,54 +59,115 @@ pub fn parse_texture(input: &mut Tokenizer) -> Result<(String, Arc<dyn PbrtTextu
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vscale, Float, 1.0;
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udelta, Float, 0.0;
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vdelta, Float, 0.0;
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dimension, u8, 2
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dimension, u8, 2;
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tex1, ValueTexture<Color, String>, ValueTexture::Value(Color::white());
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tex2, ValueTexture<Color, String>, ValueTexture::Value(Color::black())
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=>
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mapping, "\"mapping\"", TextureMapping::new(input.parse_parameter()?)?;
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uscale, "\"uscale\"", input.parse_parameter()?;
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vscale, "\"vscale\"", input.parse_parameter()?;
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udelta, "\"udelta\"", input.parse_parameter()?;
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vdelta, "\"vdelta\"", input.parse_parameter()?;
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dimension, "\"dimension\"", input.parse_parameter()?
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mapping, "\"string mapping\"", TextureMapping::new(input.parse_parameter()?)?;
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uscale, "\"float uscale\"", input.parse_parameter()?;
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vscale, "\"float vscale\"", input.parse_parameter()?;
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udelta, "\"float udelta\"", input.parse_parameter()?;
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vdelta, "\"float vdelta\"", input.parse_parameter()?;
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dimension, "\"integer dimension\"", input.parse_parameter()?;
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tex1, "\"rgb tex1\"", ValueTexture::Value(parse_rgb(input)?);
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tex1, "\"spectrum tex1\"", ValueTexture::Value(parse_spectrum(input)?);
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tex1, "\"texture tex1\"", ValueTexture::Texture(input.parse_parameter()?);
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tex2, "\"rgb tex2\"", ValueTexture::Value(parse_rgb(input)?);
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tex2, "\"spectrum tex2\"", ValueTexture::Value(parse_spectrum(input)?);
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tex2, "\"texture tex2\"", ValueTexture::Texture(input.parse_parameter()?)
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);
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dbg!(t);
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todo!()
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let mapping = UVMapping::new(t.mapping, t.uscale, t.vscale, t.udelta, t.vdelta);
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match t.dimension {
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2 => Ok(Arc::new(checkerboard::SpectrumCheckerboardTexture2d {
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mapping,
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tex: [
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match t.tex1 {
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ValueTexture::Value(v) => ValueTexture::Value(v),
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ValueTexture::Texture(name) => ValueTexture::Texture(
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Arc::clone(
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textures
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.get(&name)
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.ok_or_else(|| miette!("unable to find texture"))?,
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)
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.get_2d_spectrum_texture()?,
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),
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},
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match t.tex2 {
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ValueTexture::Value(v) => ValueTexture::Value(v),
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ValueTexture::Texture(name) => ValueTexture::Texture(
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Arc::clone(
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textures
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.get(&name)
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.ok_or_else(|| miette!("unable to find texture"))?,
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)
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.get_2d_spectrum_texture()?,
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),
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},
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],
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})),
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_ => Err(miette!("Only dimension 2 and 3 are supported")),
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}
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}
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"\"checkerboard\"" => {
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"\"imagemap\"" => {
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let t = parse_dict!(input =>
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mapping, TextureMapping, TextureMapping::UV;
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uscale, Float, 1.0;
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vscale, Float, 1.0;
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udelta, Float, 0.0;
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vdelta, Float, 0.0
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vdelta, Float, 0.0;
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filename, String, String::from("");
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wrap, ImageMapWrap, ImageMapWrap::Repeat;
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encoding, ImageMapEncoding, ImageMapEncoding::SRGB;
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scale, Float, 1.0
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=>
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mapping, "\"mapping\"", TextureMapping::new(input.parse_parameter()?)?;
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uscale, "\"uscale\"", input.parse_parameter()?;
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vscale, "\"vscale\"", input.parse_parameter()?;
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udelta, "\"udelta\"", input.parse_parameter()?;
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vdelta, "\"vdelta\"", input.parse_parameter()?
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mapping, "\"string mapping\"", TextureMapping::new(input.parse_parameter()?)?;
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uscale, "\"float uscale\"", input.parse_parameter()?;
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vscale, "\"float vscale\"", input.parse_parameter()?;
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udelta, "\"float udelta\"", input.parse_parameter()?;
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vdelta, "\"float vdelta\"", input.parse_parameter()?;
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filename, "\"string filename\"", input.parse_parameter()?;
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wrap, "\"string wrap\"", ImageMapWrap::new(input.parse_parameter()?)?;
|
||||
encoding, "\"string encoding\"", ImageMapEncoding::new(input.parse_parameter()?)?;
|
||||
scale, "\"float scale\"", input.parse_parameter()?
|
||||
|
||||
|
||||
);
|
||||
|
||||
todo!()
|
||||
let mapping = UVMapping::new(t.mapping, t.uscale, t.vscale, t.udelta, t.vdelta);
|
||||
|
||||
let path = dbg!(input.get_base_path()).join(t.filename.trim_matches('\"'));
|
||||
|
||||
Ok(Arc::new(SpectrumImageMapTexture::new(
|
||||
mapping,
|
||||
t.scale,
|
||||
t.wrap,
|
||||
t.encoding,
|
||||
false,
|
||||
dbg!(path),
|
||||
)?))
|
||||
}
|
||||
_ => Err(miette!("unknown error")),
|
||||
_ => Err(miette!("unknown error {texture_class}")),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_texture(
|
||||
input: &mut Tokenizer,
|
||||
textures: &HashMap<String, Arc<dyn PbrtTexture>>,
|
||||
) -> Result<(String, Arc<dyn PbrtTexture>)> {
|
||||
let texture_name: String = input.parse_next()?;
|
||||
let texture_type: String = input.parse_next()?;
|
||||
|
||||
match texture_type.as_str() {
|
||||
"\"spectrum\"" => parse_spectrum_texture(input, textures).map(|t| (texture_name, t)),
|
||||
_ => Err(miette!("Texture type has to be spectrum or float")),
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
enum FloatTexture2d {
|
||||
Value(Float),
|
||||
Texture {
|
||||
float: Option<Arc<dyn Pbrt_2d_float_texture>>,
|
||||
spectrum: Option<Arc<dyn Pbrt_2d_spectrum_texture>>,
|
||||
},
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
struct TextureD2<T> {
|
||||
inner: T,
|
||||
struct UVMapping {
|
||||
uscale: Float,
|
||||
vscale: Float,
|
||||
udelta: Float,
|
||||
|
|
@ -102,19 +175,32 @@ struct TextureD2<T> {
|
|||
mapping: TextureMapping,
|
||||
}
|
||||
|
||||
impl<T: PbrtTexture> PbrtTexture for TextureD2<T> {
|
||||
fn get_2d_float_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_float_texture>> {
|
||||
todo!()
|
||||
impl UVMapping {
|
||||
fn new(
|
||||
mapping: TextureMapping,
|
||||
uscale: Float,
|
||||
vscale: Float,
|
||||
udelta: Float,
|
||||
vdelta: Float,
|
||||
) -> Self {
|
||||
Self {
|
||||
uscale,
|
||||
vscale,
|
||||
udelta,
|
||||
vdelta,
|
||||
mapping,
|
||||
}
|
||||
}
|
||||
|
||||
fn get_2d_spectrum_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_spectrum_texture>> {
|
||||
todo!()
|
||||
fn map(&self, u: Float, v: Float) -> (Float, Float) {
|
||||
match self.mapping {
|
||||
TextureMapping::UV => (u * self.uscale + self.udelta, v * self.vscale + self.vdelta),
|
||||
TextureMapping::Spherical => todo!(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
struct CheckerboardTexture {
|
||||
dimension: u8,
|
||||
tex1: FloatTexture2d,
|
||||
tex2: FloatTexture2d,
|
||||
enum ValueTexture<V, T> {
|
||||
Value(V),
|
||||
Texture(T),
|
||||
}
|
||||
|
|
|
|||
74
ray-tracing-pbrt-scene/src/texture/checkerboard.rs
Normal file
74
ray-tracing-pbrt-scene/src/texture/checkerboard.rs
Normal file
|
|
@ -0,0 +1,74 @@
|
|||
use super::*;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub(super) struct FloatCheckerboardTexture2d {
|
||||
pub(super) mapping: UVMapping,
|
||||
pub(super) tex: [ValueTexture<Float, Arc<dyn Pbrt_2d_float_texture>>; 2],
|
||||
}
|
||||
|
||||
impl Pbrt_2d_float_texture for FloatCheckerboardTexture2d {
|
||||
fn get(&self, u: Float, v: Float) -> Float {
|
||||
let (u, v) = self.mapping.map(u, v);
|
||||
|
||||
let even = if u >= 0.0 {
|
||||
u.fract() >= 0.5
|
||||
} else {
|
||||
u.fract() >= -0.5
|
||||
} ^ if v >= 0.0 {
|
||||
v.fract() >= 0.5
|
||||
} else {
|
||||
v.fract() >= -0.5
|
||||
};
|
||||
|
||||
match &self.tex[even as usize] {
|
||||
ValueTexture::Value(v) => *v,
|
||||
ValueTexture::Texture(t) => t.get(u, v),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl PbrtTexture for FloatCheckerboardTexture2d {
|
||||
fn get_2d_float_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_float_texture>> {
|
||||
Ok(self)
|
||||
}
|
||||
|
||||
fn get_2d_spectrum_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_spectrum_texture>> {
|
||||
Err(miette!("Unable to use this texture as a spectrum texture"))
|
||||
}
|
||||
}
|
||||
#[derive(Debug)]
|
||||
pub(super) struct SpectrumCheckerboardTexture2d {
|
||||
pub(super) mapping: UVMapping,
|
||||
pub(super) tex: [ValueTexture<Color, Arc<dyn Pbrt_2d_spectrum_texture>>; 2],
|
||||
}
|
||||
|
||||
impl Pbrt_2d_spectrum_texture for SpectrumCheckerboardTexture2d {
|
||||
fn get(&self, u: Float, v: Float) -> Color {
|
||||
let (u, v) = self.mapping.map(u, v);
|
||||
|
||||
let even = if u >= 0.0 {
|
||||
u.fract() >= 0.5
|
||||
} else {
|
||||
u.fract() >= -0.5
|
||||
} ^ if v >= 0.0 {
|
||||
v.fract() >= 0.5
|
||||
} else {
|
||||
v.fract() >= -0.5
|
||||
};
|
||||
|
||||
match &self.tex[even as usize] {
|
||||
ValueTexture::Value(v) => *v,
|
||||
ValueTexture::Texture(t) => t.get(u, v),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl PbrtTexture for SpectrumCheckerboardTexture2d {
|
||||
fn get_2d_float_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_float_texture>> {
|
||||
Err(miette!("Unable to use this texture as a float texture"))
|
||||
}
|
||||
|
||||
fn get_2d_spectrum_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_spectrum_texture>> {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
128
ray-tracing-pbrt-scene/src/texture/imagemap.rs
Normal file
128
ray-tracing-pbrt-scene/src/texture/imagemap.rs
Normal file
|
|
@ -0,0 +1,128 @@
|
|||
use std::path::Path;
|
||||
|
||||
use miette::IntoDiagnostic;
|
||||
|
||||
use super::*;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub(super) enum ImageMapWrap {
|
||||
Repeat,
|
||||
Black,
|
||||
Clamp,
|
||||
}
|
||||
|
||||
impl ImageMapWrap {
|
||||
pub(super) fn new(x: String) -> Result<Self> {
|
||||
match x.as_str() {
|
||||
"\"repeat\"" => Ok(Self::Repeat),
|
||||
"\"black\"" => Ok(Self::Black),
|
||||
"\"clamp\"" => Ok(Self::Clamp),
|
||||
_ => Err(miette!("error image map wrap")),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub(super) enum ImageMapEncoding {
|
||||
SRGB,
|
||||
Linear,
|
||||
Gamma(Float),
|
||||
}
|
||||
|
||||
impl ImageMapEncoding {
|
||||
pub(super) fn new(x: String) -> Result<Self> {
|
||||
match x.as_str() {
|
||||
"\"sRGB\"" => Ok(Self::SRGB),
|
||||
"\"linear\"" => Ok(Self::Linear),
|
||||
s if s.starts_with("\"gamma ") => Ok(Self::Gamma(
|
||||
s.split_at(7)
|
||||
.1
|
||||
.trim_matches('\"')
|
||||
.parse()
|
||||
.into_diagnostic()?,
|
||||
)),
|
||||
_ => Err(miette!("error image map encoding")),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub(super) struct SpectrumImageMapTexture {
|
||||
mapping: UVMapping,
|
||||
scale: Float,
|
||||
wrap: ImageMapWrap,
|
||||
invert: bool,
|
||||
image: image::Rgb32FImage,
|
||||
}
|
||||
|
||||
fn srgb_nonlinear(x: f32) -> f32 {
|
||||
if x <= 0.04045 {
|
||||
x / 12.92
|
||||
} else {
|
||||
((x + 0.055) / 1.055).powf(2.4)
|
||||
}
|
||||
}
|
||||
|
||||
impl SpectrumImageMapTexture {
|
||||
pub(super) fn new(
|
||||
mapping: UVMapping,
|
||||
scale: Float,
|
||||
wrap: ImageMapWrap,
|
||||
encoding: ImageMapEncoding,
|
||||
invert: bool,
|
||||
path: impl AsRef<Path>,
|
||||
) -> Result<Self> {
|
||||
let image = image::open(path).unwrap();
|
||||
|
||||
let mut image = image.into_rgb32f();
|
||||
|
||||
match encoding {
|
||||
ImageMapEncoding::SRGB => {
|
||||
for pixel in image.pixels_mut() {
|
||||
pixel.0 = [
|
||||
srgb_nonlinear(pixel.0[0]),
|
||||
srgb_nonlinear(pixel.0[1]),
|
||||
srgb_nonlinear(pixel.0[2]),
|
||||
];
|
||||
}
|
||||
}
|
||||
ImageMapEncoding::Linear => (),
|
||||
ImageMapEncoding::Gamma(gamma) => {
|
||||
for pixel in image.pixels_mut() {
|
||||
pixel.0 = [
|
||||
pixel.0[0].powf(gamma),
|
||||
pixel.0[1].powf(gamma),
|
||||
pixel.0[2].powf(gamma),
|
||||
];
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(Self {
|
||||
mapping,
|
||||
scale,
|
||||
invert,
|
||||
wrap,
|
||||
image,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl Pbrt_2d_spectrum_texture for SpectrumImageMapTexture {
|
||||
fn get(&self, u: Float, v: Float) -> Color {
|
||||
let (u, v) = self.mapping.map(u, v);
|
||||
|
||||
let (w, h) = self.image.dimensions();
|
||||
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl PbrtTexture for SpectrumImageMapTexture {
|
||||
fn get_2d_float_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_float_texture>> {
|
||||
Err(miette!("Unable to use this texture as a float texture"))
|
||||
}
|
||||
|
||||
fn get_2d_spectrum_texture(self: Arc<Self>) -> Result<Arc<dyn Pbrt_2d_spectrum_texture>> {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
|
|
@ -12,19 +12,29 @@ use crate::{BytesToChar, SourceFile};
|
|||
pub struct Tokenizer {
|
||||
inner: InnerTokenizer,
|
||||
path: PathBuf,
|
||||
base_path: PathBuf,
|
||||
peeked: Option<Option<Result<(String, SourceSpan)>>>,
|
||||
last_span: SourceSpan,
|
||||
}
|
||||
|
||||
impl Tokenizer {
|
||||
pub fn new(path: impl AsRef<Path>) -> Result<Self> {
|
||||
pub fn new(path: PathBuf, base_path: PathBuf) -> Result<Self> {
|
||||
Ok(Self {
|
||||
peeked: None,
|
||||
path: PathBuf::from(path.as_ref()),
|
||||
inner: InnerTokenizer::new(path)?,
|
||||
inner: InnerTokenizer::new(&path)?,
|
||||
path,
|
||||
base_path,
|
||||
last_span: SourceSpan::new(0.into(), 0),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn get_path(&self) -> &Path {
|
||||
&self.path
|
||||
}
|
||||
|
||||
pub fn get_base_path(&self) -> &Path {
|
||||
&self.base_path
|
||||
}
|
||||
}
|
||||
|
||||
struct InnerTokenizer {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue