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only create wgpu swap chain when surface is ready

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This commit is contained in:
Carter Anderson 2020-03-28 13:56:29 -07:00
parent 26ff878469
commit ed9eb88835
2 changed files with 27 additions and 22 deletions
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2
examples/ui_bench.rs
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@ -6,7 +6,7 @@ fn main() {
.setup_world(setup)
.add_system(build_move_system())
.add_default_diagnostics()
.print_diagnostics(std::time::Duration::from_secs_f64(1.0))
.print_diagnostics()
.run();
}

47
src/render/renderer/renderers/wgpu_renderer/wgpu_renderer.rs
View file

@ -346,31 +346,36 @@ impl WgpuRenderer {
impl Renderer for WgpuRenderer {
fn resize(&mut self, world: &mut World, resources: &mut Resources) {
self.encoder = Some(
self.device
if let Some(surface) = self.surface.as_ref() {
self.encoder = Some(
self.device
.borrow()
.create_command_encoder(&wgpu::CommandEncoderDescriptor { todo: 0 }),
);
let swap_chain_descriptor: wgpu::SwapChainDescriptor = {
let window: &Window = &resources.get::<Window>().unwrap();
window.into()
};
let swap_chain = self
.device
.borrow()
.create_command_encoder(&wgpu::CommandEncoderDescriptor { todo: 0 }),
);
let swap_chain_descriptor: wgpu::SwapChainDescriptor = {
let window: &Window = &resources.get::<Window>().unwrap();
window.into()
};
.create_swap_chain(surface, &swap_chain_descriptor);
let swap_chain = self
.device
.borrow()
.create_swap_chain(self.surface.as_ref().unwrap(), &swap_chain_descriptor);
// WgpuRenderer can't own swap_chain without creating lifetime ergonomics issues, so lets just store it in World.
resources.insert(swap_chain);
let mut render_graph = resources.get_mut::<RenderGraph>().unwrap();
for resource_provider in render_graph.resource_providers.iter_mut() {
resource_provider.resize(self, world, resources, swap_chain_descriptor.width, swap_chain_descriptor.height);
}
// WgpuRenderer can't own swap_chain without creating lifetime ergonomics issues, so lets just store it in World.
resources.insert(swap_chain);
let mut render_graph = resources.get_mut::<RenderGraph>().unwrap();
for resource_provider in render_graph.resource_providers.iter_mut() {
resource_provider.resize(self, world, resources, swap_chain_descriptor.width, swap_chain_descriptor.height);
// consume current encoder
let command_buffer = self.encoder.take().unwrap().finish();
self.queue.submit(&[command_buffer]);
} else {
// TODO: remove this warning if this case is not a problem
println!("warning: attempted to resize renderer before surface was ready");
}
// consume current encoder
let command_buffer = self.encoder.take().unwrap().finish();
self.queue.submit(&[command_buffer]);
}
fn update(&mut self, world: &mut World, resources: &mut Resources) {