Function makeSingleRedPixel

e2e/webgpu-render.spec.ts:342–347

(x: number, y: number)

        return pixels;
      };
      const makeSingleRedPixel = (x: number, y: number) => {
        const pixels = makeSolidPixels(0, 0, 0);
        const offset = (y * width + x) * 4;
        pixels[offset] = 255;
        return pixels;
      };

      const uploadTexture = (
        texture: BrowserGpuTexture,