fix: getTexture

Author: gnlow

src/DenoGpuWrapper.ts

@@ -1,8 +1,9 @@
 import {
     GpuWrapper,
     GpuWrapperInfo,
-    Layout, 
-} from "../mod.ts"
+} from "./GpuWrapper.ts"
+
+import { Layout } from "./types.ts"
 
 import tgpu, { TgpuRoot } from "https://esm.sh/typegpu@0.3.2"
 
@@ -29,7 +30,7 @@ export class DenoGpuWrapper<T extends Layout> extends GpuWrapper<T> {
     override beforeDrawFinish(commandEncoder: GPUCommandEncoder) {
         copyToBuffer(
             commandEncoder,
-            this.texture,
+            this.getTexture(),
             this.outputBuffer,
             this.dimension,
         )
@@ -54,7 +55,7 @@ export async function initDeno<T extends Layout>
         root,
         {
             ...info,
-            texture,
+            getTexture: () => texture,
             format: "rgba8unorm-srgb",
         },
         outputBuffer,

src/GpuWrapper.ts

@@ -10,7 +10,7 @@ import {
 } from "./types.ts"
 
 export interface GpuWrapperInfo<T extends Layout> {
-    texture: GPUTexture,
+    getTexture(): GPUTexture,
     format?: GPUTextureFormat,
     vertShader: string,
     fragShader: string,
@@ -19,7 +19,7 @@ export interface GpuWrapperInfo<T extends Layout> {
 
 export class GpuWrapper<T extends Layout> {
     root
-    texture
+    getTexture
     format
     pipeline
     bindGroup
@@ -28,15 +28,15 @@ export class GpuWrapper<T extends Layout> {
     constructor(
         root: TgpuRoot,
         {
-            texture,
+            getTexture,
             format,
             vertShader,
             fragShader,
             layout,
         }: GpuWrapperInfo<T>,
     ) {
         this.root = root
-        this.texture = texture
+        this.getTexture = getTexture
         this.format = format || navigator.gpu.getPreferredCanvasFormat()
 
         const device = this.root.device
@@ -93,7 +93,7 @@ export class GpuWrapper<T extends Layout> {
     }
     beforeDrawFinish(commandEncoder: GPUCommandEncoder) {}
     draw(...params: Parameters<GPURenderPassEncoder["draw"]>) {
-        const textureView = this.texture.createView()
+        const textureView = this.getTexture().createView()
         const renderPassDescriptor: GPURenderPassDescriptor = {
             colorAttachments: [
                 {
@@ -133,7 +133,7 @@ export async function initCanvas<T extends Layout>
         root,
         {
             ...info,
-            texture: ctx.getCurrentTexture(),
+            getTexture: ctx.getCurrentTexture,
         },
     )
 }