feat: basic triangle rendering

build.rs

@@ -0,0 +1,26 @@
+use std::{env, process::Command};
+
+fn main() {
+    println!("cargo::rerun-if-changed=shaders");
+    let outdir = env::var("OUT_DIR").unwrap();
+    let vert = Command::new("glslc")
+        .args(["shaders/shader.vert", "-o", &format!("{outdir}/vert.spv")])
+        .output()
+        .expect("Failed to execute 'glslc'");
+    let frag = Command::new("glslc")
+        .args(["shaders/shader.frag", "-o", &format!("{outdir}/frag.spv")])
+        .output()
+        .expect("Failed to execute 'glslc'");
+    if !vert.status.success() {
+        panic!(
+            "Failed to compile vertex shader: {}",
+            String::from_utf8(vert.stderr).unwrap()
+        )
+    }
+    if !frag.status.success() {
+        panic!(
+            "Failed to compile fragment shader: {}",
+            String::from_utf8(frag.stderr).unwrap()
+        )
+    }
+}