Wrap vertex/index buffers.

Author: SiegeLordEx

allegro/src/display.rs

@@ -112,6 +112,7 @@ pub struct Display
 	backbuffer: Bitmap,
 	#[cfg(any(allegro_5_2_0, allegro_5_1_0))]
 	shaders: Vec<Arc<Shader>>,
+	tokens: Vec<Arc<String>>,
 }
 
 impl Display
@@ -139,6 +140,7 @@ impl Display
 		Display {
 			allegro_display: d,
 			backbuffer: backbuffer,
+			tokens: vec![],
 		}
 	}
 
@@ -149,6 +151,7 @@ impl Display
 			allegro_display: d,
 			backbuffer: backbuffer,
 			shaders: vec![],
+			tokens: vec![],
 		}
 	}
 
@@ -346,6 +349,11 @@ impl Display
 			Err(())
 		}
 	}
+
+	pub fn add_dependency_token(&mut self, token: Arc<String>)
+	{
+		self.tokens.push(token);
+	}
 }
 
 unsafe impl Send for Display {}
@@ -355,6 +363,13 @@ impl Drop for Display
 {
 	fn drop(&mut self)
 	{
+		for token in &self.tokens
+		{
+			if Arc::strong_count(&token) != 1
+			{
+				panic!("Have an outstanding dependency token! Token name: {}", token);
+			}
+		}
 		if self.has_outstanding_shaders()
 		{
 			panic!("Display has outstanding shaders!");

allegro_primitives-sys/src/lib.rs

@@ -108,6 +108,15 @@ pub mod allegro_primitives
 			vtxs: *const c_void, decl: *const ALLEGRO_VERTEX_DECL, texture: *mut ALLEGRO_BITMAP,
 			indices: *const c_int, num_vtx: c_int, _type: c_int,
 		) -> c_int;
+		pub fn al_draw_vertex_buffer(
+			vertex_buffer: *mut ALLEGRO_VERTEX_BUFFER, texture: *mut ALLEGRO_BITMAP, start: c_int,
+			end: c_int, type_: c_int,
+		) -> c_int;
+
+		pub fn al_draw_indexed_buffer(
+			vertex_buffer: *mut ALLEGRO_VERTEX_BUFFER, texture: *mut ALLEGRO_BITMAP,
+			index_buffer: *mut ALLEGRO_INDEX_BUFFER, start: c_int, end: c_int, type_: c_int,
+		) -> c_int;
 
 		pub fn al_create_vertex_decl(
 			elements: *const ALLEGRO_VERTEX_ELEMENT, stride: c_int,

allegro_primitives/Cargo.toml

@@ -40,3 +40,8 @@ version = "=0.0.48" #auto
 
 path = "../allegro_primitives-sys"
 version = "=0.0.48" #auto
+
+[dependencies.allegro_util]
+
+path = "../allegro_util"
+version = "=0.0.48" #auto