Initial project import

sdk/agila/graphics.fv

@@ -0,0 +1,29 @@
+// Application-facing graphics contracts only. No AGX implementation is included.
+module agila
+
+pub struct Vec2 { pub: x f32; y f32 }
+pub struct Vec3 { pub: x f32; y f32; z f32 }
+
+pub struct MeshDescriptor {
+pub:
+    vertex_count int
+    index_count int
+}
+
+pub struct TextureDescriptor {
+pub:
+    width int
+    height int
+    format string
+}
+
+pub fn validate_mesh(desc MeshDescriptor) ! {
+    if desc.vertex_count <= 0 || desc.index_count <= 0 {
+        return AgilaError{code: 20, message: 'Mesh counts must be positive'}
+    }
+}
+
+pub fn submit_mesh(desc MeshDescriptor) ! {
+    validate_mesh(desc)!
+    println('[Agila SDK sandbox graphics] submitted mesh ${desc.vertex_count}/${desc.index_count}')
+}