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Enable downcasting of RenderContext (#2240)

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Related to https://github.com/bevyengine/bevy/discussions/2210. This may make it possible to have external `wgpu` libraries work with `bevy`.
This commit is contained in:
Jonathan Behrens 2021-05-24 19:38:33 +00:00
parent 9f94f7eb6c
commit 4b1d47da99
1 changed files with 5 additions and 1 deletions
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6
crates/bevy_render/src/renderer/render_context.rs
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@ -1,3 +1,5 @@
use downcast_rs::{impl_downcast, Downcast};
use super::RenderResourceContext; use super::RenderResourceContext;
use crate::{ use crate::{
pass::{PassDescriptor, RenderPass}, pass::{PassDescriptor, RenderPass},
@ -5,7 +7,7 @@ use crate::{
texture::Extent3d, texture::Extent3d,
}; };
pub trait RenderContext { pub trait RenderContext: Downcast {
fn resources(&self) -> &dyn RenderResourceContext; fn resources(&self) -> &dyn RenderResourceContext;
fn resources_mut(&mut self) -> &mut dyn RenderResourceContext; fn resources_mut(&mut self) -> &mut dyn RenderResourceContext;
fn copy_buffer_to_buffer( fn copy_buffer_to_buffer(
@ -56,3 +58,5 @@ pub trait RenderContext {
run_pass: &mut dyn FnMut(&mut dyn RenderPass), run_pass: &mut dyn FnMut(&mut dyn RenderPass),
); );
} }
impl_downcast!(RenderContext);