diff options
Diffstat (limited to 'engine/src/opengl')
| -rw-r--r-- | engine/src/opengl/buffer.rs | 13 | ||||
| -rw-r--r-- | engine/src/opengl/vertex_array.rs | 11 |
2 files changed, 24 insertions, 0 deletions
diff --git a/engine/src/opengl/buffer.rs b/engine/src/opengl/buffer.rs index 68a75fb..2be7f12 100644 --- a/engine/src/opengl/buffer.rs +++ b/engine/src/opengl/buffer.rs @@ -39,6 +39,19 @@ impl<Item> Buffer<Item> { self.buf } + + /// Does a weak clone of this buffer. The buffer itself is NOT copied in any way this + /// function only copies the internal buffer ID. + /// + /// # Safety + /// The returned `Buffer` must not be dropped if another `Buffer` referencing the + /// same buffer ID is used later or if a [`VertexArray`] is used later. + /// + /// [`VertexArray`]: crate::opengl::vertex_array::VertexArray + pub unsafe fn clone_weak(&self) -> Self + { + Self { buf: self.buf, _pd: PhantomData } + } } impl<Item> Drop for Buffer<Item> diff --git a/engine/src/opengl/vertex_array.rs b/engine/src/opengl/vertex_array.rs index e1e1a15..da5d91e 100644 --- a/engine/src/opengl/vertex_array.rs +++ b/engine/src/opengl/vertex_array.rs @@ -125,6 +125,17 @@ impl VertexArray { unsafe { gl::BindVertexArray(self.array) } } + + /// Does a weak clone of this vertex array. The vertex array itself is NOT copied in + /// any way this function only copies the internal vertex array ID. + /// + /// # Safety + /// The returned `VertexArray` must not be dropped if another `VertexArray` + /// referencing the same vertex array ID is used later. + pub unsafe fn clone_unsafe(&self) -> Self + { + Self { array: self.array } + } } impl Drop for VertexArray |