message: Metal: Fix SetBindGroup assert
diff: @@ -460,9 +460,9 @@ namespace metal {
  }
  auto stage = layout.visibilities[binding];
  - bool vertStage = stage & nxt::ShaderStageBit::Vertex;
  - bool fragStage = stage & nxt::ShaderStageBit::Fragment;
  - bool computeStage = stage & nxt::ShaderStageBit::Compute;
  + bool vertStage = stage & nxt::ShaderStageBit::Vertex && lastRenderPipeline != nullptr;
  + bool fragStage = stage & nxt::ShaderStageBit::Fragment && lastRenderPipeline != nullptr;
  + bool computeStage = stage & nxt::ShaderStageBit::Compute && lastComputePipeline != nullptr;
  uint32_t vertIndex = 0;
  uint32_t fragIndex = 0;
  uint32_t computeIndex = 0;
  