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vulkan: add legacy shaders

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This commit is contained in:
Julian Orth 2025-02-27 11:10:50 +01:00
parent 26db79e249
commit cb9dc4c182
9 changed files with 108 additions and 11 deletions
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16
build/vulkan.rs
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@ -15,16 +15,22 @@ pub fn main() -> anyhow::Result<()> {
compile_simple("tex.frag")?;
compile_simple("out.vert")?;
compile_simple("out.frag")?;
compile_simple("legacy/fill.frag")?;
compile_simple("legacy/fill.vert")?;
compile_simple("legacy/tex.vert")?;
compile_simple("legacy/tex.frag")?;
Ok(())
}
fn compile_simple(name: &str) -> anyhow::Result<()> {
compile_shader(name, &format!("{name}.spv"), None).with_context(|| name.to_string())
let out = format!("{name}.spv").replace("/", "_");
compile_shader(name, &out).with_context(|| name.to_string())
}
fn compile_shader(name: &str, out: &str, options: Option<CompileOptions>) -> anyhow::Result<()> {
let read = |path: &str| std::fs::read_to_string(format!("{}/{}", ROOT, path));
let mut options = options.unwrap_or_else(|| CompileOptions::new().unwrap());
fn compile_shader(name: &str, out: &str) -> anyhow::Result<()> {
let root = Path::new(ROOT).join(Path::new(name).parent().unwrap());
let read = |path: &str| std::fs::read_to_string(root.join(path));
let mut options = CompileOptions::new().unwrap();
options.set_include_callback(|name, _, _, _| {
Ok(ResolvedInclude {
resolved_name: name.to_string(),
@ -40,7 +46,7 @@ fn compile_shader(name: &str, out: &str, options: Option<CompileOptions>) -> any
"vert" => shaderc::ShaderKind::Vertex,
n => bail!("Unknown shader stage {}", n),
};
let src = read(name)?;
let src = std::fs::read_to_string(format!("{}/{}", ROOT, name))?;
let compiler = shaderc::Compiler::new().unwrap();
let binary = compiler
.compile_into_spirv(&src, stage, name, "main", Some(&options))