factor out the render commands into a new scene module

use push constants

this concludes the tutorial; there's now a bit of fairly obvious refactoring to do to group objects in a way that reflects when they're needed, which can be followed by building a real scene graph

Change-Id: Id3b76d00d08ae915270095bd606e41767b7ec177
Force-Push: yes

1 files changed, 7 insertions, 2 deletions

diff --git a/src/shader_data.rs b/src/shader_data.rs
index 8197bfc..892260d 100644
--- a/src/shader_data.rs
+++ b/src/shader_data.rs
@@ -16,12 +16,17 @@ pub struct Vertex<T: Copy> {
 #[repr(C)]
 #[derive(Clone, Debug)]
 pub struct UniformBlock<T: Copy> {
-  pub scale: Vec3<T>,
-  pub model: Transformation<T>,
   pub view: Transformation<T>,
   pub projection: Mat4<T>,
 }
 
+#[repr(C)]
+#[derive(Clone, Debug)]
+pub struct VertexPushBlock<T: Copy> {
+  pub scale: Vec3<T>,
+  pub model: Transformation<T>,
+}
+
 impl<T: Copy> Vertex<T> {
   pub const fn new(position: Vec3<T>, color: Vec3<T>,
                    texture_coordinates: Vec2<T>)