Apply projection matrix last to allow for clipping

include/rasteriser/rasteriser.h

@@ -59,8 +59,8 @@ typedef struct {
 } rasteriser_scene_t;
 
 void render_scene(window_t *wnd, Arena *arena, const rasteriser_scene_t *scene);
-void render_instance(window_t *wnd, Arena *arena, mat3x4f_t proj_cam_mat,
-                     const instance_t *instance);
+void render_instance(window_t *wnd, Arena *arena, mat4x4f_t camera_matrix,
+                     mat3x4f_t projection_matrix, const instance_t *instance);
 void draw_wireframe_triangle(window_t *wnd, Arena *arena, triangle_t triangle);
 void draw_filled_triangle(window_t *wnd, Arena *arena, triangle_t triangle);
 void draw_shaded_triangle(window_t *wnd, Arena *arena, triangle_t triangle);