Create build file for shaders

.gitignore

@@ -1,2 +1,4 @@
 Cargo.lock
 target/
+
+*.spv

build.rs

@@ -0,0 +1,53 @@
+use std::{fs, path::Path, process::Command};
+
+const FILE_ENDINGS: &'static [&'static str] = &[
+    "vert", "frag", "geom", "comp", "rchit", "rmiss", "rgen", "rahit",
+];
+
+fn find_shader_files(path: impl AsRef<Path>) -> Vec<String> {
+    let mut v = Vec::new();
+
+    if !path.as_ref().is_dir() {
+        panic!("path ({:?}) is not a directory!", path.as_ref());
+    }
+
+    for entry in fs::read_dir(path).unwrap() {
+        let child_path = entry.unwrap().path();
+
+        if child_path.is_dir() {
+            v.extend(find_shader_files(child_path));
+        } else if child_path.is_file() {
+            for ending in FILE_ENDINGS.iter() {
+                if child_path.extension().unwrap() == *ending {
+                    v.push(child_path.to_str().unwrap().to_string());
+
+                    break;
+                }
+            }
+        }
+    }
+
+    v
+}
+
+fn compile_shader(shader_files: &[String]) {
+    Command::new("glslangValidator")
+        .arg("--help")
+        .output()
+        .expect("Failed to execute glslangValidator. Maybe you need to install it first?");
+
+    for shader in shader_files {
+        Command::new("glslangValidator")
+            .arg("-V")
+            .arg(shader)
+            .arg("-o")
+            .arg(&format!("{}.spv", shader))
+            .output()
+            .expect(&format!("Failed to compile {}", shader));
+    }
+}
+
+fn main() {
+    let shader_files = find_shader_files("src");
+    compile_shader(&shader_files);
+}

src/element_creator/generator.frag

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+#version 450
+
+layout (set = 0, binding = 0) uniform Descriptor {
+	vec3 color;
+} descriptor;
+
+layout (location = 0) out vec4 out_color;
+
+void main()
+{
+	out_color = vec4(descriptor.color, 1.0);
+}

src/element_creator/generator.vert

@@ -0,0 +1,8 @@
+#version 450
+
+layout (location = 0) in vec4 position;
+
+void main()
+{
+	gl_Position = position;
+}

src/guihandler/guishader/text.vert

@@ -0,0 +1,12 @@
+#version 450
+
+layout (location = 0) in vec4 position;
+layout (location = 1) in vec2 texcoord;
+
+layout (location = 0) out vec2 uv;
+
+void main()
+{
+	uv = texcoord;
+	gl_Position = position;
+}