createRenderTarget function
Creates a GPU Render target with specified dimensions.
Implementation
gpu.RenderTarget createRenderTarget(int width, int height) {
final texture = gpu.gpuContext
.createTexture(gpu.StorageMode.devicePrivate, width, height);
final renderTarget = gpu.RenderTarget.singleColor(gpu.ColorAttachment(
texture: texture, clearValue: vm.Vector4(0, 0, 1, 1)));
return renderTarget;
}