Initial wgpu abstraction

Source/Shader/ShaderSource.rs

@@ -0,0 +1,22 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
+pub enum ShaderSource {
+    Glsl(String),
+    Spirv(Vec<u8>),
+    Wgsl(String),
+}
+
+impl ShaderSource {
+    pub fn SpirvFromBytes(bytes: &[u8]) -> ShaderSource {
+        ShaderSource::Spirv(Vec::from(bytes))
+    }
+
+    pub fn WgslToString(&self) -> Option<&String> {
+        if let ShaderSource::Wgsl(s) = &self {
+            Some(s)
+        } else {
+            None
+        }
+    }
+}