58 lines
1.5 KiB
Rust
58 lines
1.5 KiB
Rust
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use std::mem;
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use ir::{
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instruction::{Filter, Kind},
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GraphIr, Instruction, InstructionRef,
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};
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use crate::value::Dynamic;
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mod instr;
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#[derive(Debug, Default)]
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pub struct Evaluator {
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ir: GraphIr,
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}
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impl crate::Evaluator for Evaluator {
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fn feed(&mut self, ir: GraphIr) {
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// TODO: should add instead of replace, see note in Evaluator trait above this method
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self.ir = ir;
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}
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fn eval_full(&mut self) {
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let queue: Vec<Instruction> = self
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.ir
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.topological_sort()
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.into_iter()
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.map(Into::into)
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.collect();
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for instr in queue {
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self.step(instr);
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}
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}
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}
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impl Evaluator {
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#[allow(clippy::needless_pass_by_value)]
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fn step(&mut self, instr: Instruction) {
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let _ = match instr.kind {
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Kind::Read(details) => Some(Dynamic::Image(instr::read::read(details))),
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Kind::Write(details) => {
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instr::write::write(details, todo!());
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None
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}
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Kind::Math(_) => todo!(),
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Kind::Blend(_) => todo!(),
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Kind::Noise(_) => todo!(),
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Kind::Filter(filter_instruction) => match filter_instruction {
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Filter::Invert => Some(Dynamic::Image(instr::filters::invert::invert(
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match todo!() {
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Some(Dynamic::Image(img)) => img,
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_ => panic!("invalid value type for invert"),
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},
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))),
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},
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};
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}
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}
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