WIP shaders: wrap Texture in Arc within Raster<GPU>

Author: Firestar99

node-graph/gcore/src/raster_types.rs

@@ -134,10 +134,11 @@ pub use gpu::GPU;
 mod gpu {
 	use super::*;
 	use crate::raster_types::__private::Sealed;
+	use std::sync::Arc;
 
 	#[derive(Clone, Debug, PartialEq, Hash)]
 	pub struct GPU {
-		pub texture: wgpu::Texture,
+		pub texture: Arc<InnerTexture>,
 	}
 
 	impl Sealed for Raster<GPU> {}
@@ -150,17 +151,30 @@ mod gpu {
 
 	impl Raster<GPU> {
 		pub fn new_gpu(texture: wgpu::Texture) -> Self {
-			Self::new(GPU { texture })
+			Self::new(GPU {
+				texture: Arc::new(InnerTexture(texture)),
+			})
 		}
 
 		pub fn data(&self) -> &wgpu::Texture {
 			&self.texture
 		}
 	}
 
-	impl Drop for GPU {
+	#[derive(Debug, PartialEq, Hash)]
+	pub struct InnerTexture(wgpu::Texture);
+
+	impl Deref for InnerTexture {
+		type Target = wgpu::Texture;
+
+		fn deref(&self) -> &Self::Target {
+			&self.0
+		}
+	}
+
+	impl Drop for InnerTexture {
 		fn drop(&mut self) {
-			self.texture.destroy();
+			self.0.destroy();
 		}
 	}
 }

node-graph/wgpu-executor/src/lib.rs

@@ -140,7 +140,7 @@ impl WgpuExecutor {
 			let mut renderer = self.vello_renderer.lock().await;
 			for (image, texture) in context.resource_overrides.iter() {
 				let texture_view = wgpu::TexelCopyTextureInfoBase {
-					texture: texture.texture.clone(),
+					texture: wgpu::Texture::clone(&texture.texture),
 					mip_level: 0,
 					origin: Origin3d::ZERO,
 					aspect: TextureAspect::All,

node-graph/wgpu-executor/src/shader_runtime/per_pixel_adjust_runtime.rs

@@ -230,7 +230,7 @@ impl PerPixelAdjustGraphicsPipeline {
 				rp.draw(0..3, 0..1);
 
 				TableRow {
-					element: Raster::new(GPU { texture: tex_out }),
+					element: Raster::new_gpu(tex_out),
 					transform: *instance.transform,
 					alpha_blending: *instance.alpha_blending,
 					source_node_id: *instance.source_node_id,