refactor
This commit is contained in:
Junkui Zhang
parent
499b3b6b50
commit
8c1d9f75d1
1 changed files with 99 additions and 79 deletions
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@ -29,6 +29,8 @@ pub(crate) struct DirectXRenderer {
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resources: DirectXResources,
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globals: DirectXGlobalElements,
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pipelines: DirectXRenderPipelines,
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// #[cfg(not(feature = "enable-renderdoc"))]
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_direct_composition: DirectComposition,
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}
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/// Direct3D objects
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@ -42,17 +44,14 @@ pub(crate) struct DirectXDevices {
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struct DirectXResources {
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// Direct3D rendering objects
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swap_chain: ManuallyDrop<IDXGISwapChain1>,
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swap_chain: IDXGISwapChain1,
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render_target: ManuallyDrop<ID3D11Texture2D>,
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render_target_view: [Option<ID3D11RenderTargetView>; 1],
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msaa_target: ID3D11Texture2D,
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msaa_view: ID3D11RenderTargetView,
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msaa_view: [Option<ID3D11RenderTargetView>; 1],
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// Cached viewport
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viewport: [D3D11_VIEWPORT; 1],
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// #[cfg(not(feature = "enable-renderdoc"))]
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_direct_composition: DirectComposition,
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}
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struct DirectXRenderPipelines {
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@ -115,12 +114,18 @@ impl DirectXRenderer {
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let resources = DirectXResources::new(devices, hwnd)?;
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let globals = DirectXGlobalElements::new(&devices.device)?;
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let pipelines = DirectXRenderPipelines::new(&devices.device)?;
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// #[cfg(not(feature = "enable-renderdoc"))]
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let direct_composition = DirectComposition::new(&devices.dxgi_device, hwnd)?;
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// #[cfg(not(feature = "enable-renderdoc"))]
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direct_composition.set_swap_chain(&resources.swap_chain)?;
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Ok(DirectXRenderer {
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atlas,
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devices: devices.clone(),
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resources,
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globals,
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pipelines,
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// #[cfg(not(feature = "enable-renderdoc"))]
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_direct_composition: direct_composition,
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})
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}
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@ -143,10 +148,10 @@ impl DirectXRenderer {
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unsafe {
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self.devices
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.device_context
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.ClearRenderTargetView(&self.resources.msaa_view, &[0.0; 4]);
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.ClearRenderTargetView(self.resources.msaa_view[0].as_ref().unwrap(), &[0.0; 4]);
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self.devices
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.device_context
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.OMSetRenderTargets(Some(&[Some(self.resources.msaa_view.clone())]), None);
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.OMSetRenderTargets(Some(&self.resources.msaa_view), None);
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self.devices
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.device_context
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.RSSetViewports(Some(&self.resources.viewport));
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@ -159,6 +164,23 @@ impl DirectXRenderer {
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Ok(())
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}
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fn present(&self) -> Result<()> {
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unsafe {
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self.devices.device_context.ResolveSubresource(
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&*self.resources.render_target,
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0,
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&self.resources.msaa_target,
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0,
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RENDER_TARGET_FORMAT,
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);
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self.devices
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.device_context
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.OMSetRenderTargets(Some(&self.resources.render_target_view), None);
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self.resources.swap_chain.Present(0, DXGI_PRESENT(0)).ok()?;
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}
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Ok(())
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}
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pub(crate) fn draw(&mut self, scene: &Scene) -> Result<()> {
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self.pre_draw()?;
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for batch in scene.batches() {
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@ -185,64 +207,29 @@ impl DirectXRenderer {
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scene.polychrome_sprites.len(),
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scene.surfaces.len(),))?;
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}
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unsafe {
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self.devices.device_context.ResolveSubresource(
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&*self.resources.render_target,
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0,
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&self.resources.msaa_target,
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0,
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RENDER_TARGET_FORMAT,
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);
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self.devices
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.device_context
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.OMSetRenderTargets(Some(&self.resources.render_target_view), None);
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self.resources.swap_chain.Present(0, DXGI_PRESENT(0)).ok()?;
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}
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Ok(())
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self.present()
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}
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pub(crate) fn resize(&mut self, new_size: Size<DevicePixels>) -> Result<()> {
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unsafe {
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let width = new_size.width.0 as u32;
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let height = new_size.height.0 as u32;
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self.devices.device_context.OMSetRenderTargets(None, None);
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ManuallyDrop::drop(&mut self.resources.render_target);
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}
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drop(self.resources.render_target_view[0].take().unwrap());
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unsafe {
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drop(self.resources.render_target_view[0].take().unwrap());
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self.resources.swap_chain.ResizeBuffers(
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BUFFER_COUNT as u32,
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width,
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height,
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RENDER_TARGET_FORMAT,
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DXGI_SWAP_CHAIN_FLAG(0),
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)?;
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self.resources
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.swap_chain
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.ResizeBuffers(
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BUFFER_COUNT as u32,
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new_size.width.0 as u32,
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new_size.height.0 as u32,
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RENDER_TARGET_FORMAT,
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DXGI_SWAP_CHAIN_FLAG(0),
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)
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.unwrap();
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}
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let (render_target, render_target_view) =
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create_render_target_and_its_view(&self.resources.swap_chain, &self.devices.device)
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.unwrap();
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self.resources.render_target = render_target;
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self.resources.render_target_view = render_target_view;
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unsafe {
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.recreate_resources(&self.devices, width, height)?;
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self.devices
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.device_context
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.OMSetRenderTargets(Some(&self.resources.render_target_view), None);
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}
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let (msaa_target, msaa_view) = create_msaa_target_and_its_view(
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&self.devices.device,
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new_size.width.0 as u32,
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new_size.height.0 as u32,
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)?;
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self.resources.msaa_target = msaa_target;
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self.resources.msaa_view = msaa_view;
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self.resources.viewport = set_viewport(
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&self.devices.device_context,
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new_size.width.0 as f32,
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new_size.height.0 as f32,
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);
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Ok(())
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}
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@ -411,20 +398,13 @@ impl DirectXResources {
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// #[cfg(feature = "enable-renderdoc")]
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// let swap_chain =
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// create_swap_chain_default(&devices.dxgi_factory, &devices.device, hwnd, transparent)?;
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// #[cfg(not(feature = "enable-renderdoc"))]
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let direct_composition = DirectComposition::new(&devices.dxgi_device, hwnd)?;
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// #[cfg(not(feature = "enable-renderdoc"))]
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direct_composition.set_swap_chain(&swap_chain)?;
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let (render_target, render_target_view) =
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create_render_target_and_its_view(&swap_chain, &devices.device)?;
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let (msaa_target, msaa_view) =
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create_msaa_target_and_its_view(&devices.device, width, height)?;
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let viewport = set_viewport(&devices.device_context, width as f32, height as f32);
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unsafe {
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devices
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.device_context
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.OMSetRenderTargets(Some(&render_target_view), None);
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}
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let (render_target, render_target_view, msaa_target, msaa_view, viewport) =
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create_resources(devices, &swap_chain, width, height)?;
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// unsafe {
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// devices
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// .device_context
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// .OMSetRenderTargets(Some(&render_target_view), None);
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// }
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set_rasterizer_state(&devices.device, &devices.device_context)?;
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Ok(Self {
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@ -434,10 +414,25 @@ impl DirectXResources {
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msaa_target,
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msaa_view,
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viewport,
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// #[cfg(not(feature = "enable-renderdoc"))]
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_direct_composition: direct_composition,
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})
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}
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#[inline]
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fn recreate_resources(
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&mut self,
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devices: &DirectXDevices,
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width: u32,
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height: u32,
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) -> Result<()> {
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let (render_target, render_target_view, msaa_target, msaa_view, viewport) =
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create_resources(devices, &self.swap_chain, width, height)?;
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self.render_target = render_target;
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self.render_target_view = render_target_view;
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self.msaa_target = msaa_target;
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self.msaa_view = msaa_view;
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self.viewport = viewport;
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Ok(())
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}
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}
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impl DirectXRenderPipelines {
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@ -909,7 +904,6 @@ impl Drop for DirectXResources {
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fn drop(&mut self) {
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unsafe {
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ManuallyDrop::drop(&mut self.render_target);
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ManuallyDrop::drop(&mut self.swap_chain);
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}
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}
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}
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@ -961,6 +955,8 @@ fn get_device(
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D3D_DRIVER_TYPE_UNKNOWN,
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HMODULE::default(),
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device_flags,
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// 4x MSAA is required for Direct3D Feature Level 10.1 or better
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// 8x MSAA is required for Direct3D Feature Level 11.0 or better
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Some(&[D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_11_1]),
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D3D11_SDK_VERSION,
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device,
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@ -980,7 +976,7 @@ fn create_swap_chain(
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device: &ID3D11Device,
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width: u32,
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height: u32,
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) -> Result<ManuallyDrop<IDXGISwapChain1>> {
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) -> Result<IDXGISwapChain1> {
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let desc = DXGI_SWAP_CHAIN_DESC1 {
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Width: width,
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Height: height,
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@ -998,9 +994,7 @@ fn create_swap_chain(
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AlphaMode: DXGI_ALPHA_MODE_PREMULTIPLIED,
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Flags: 0,
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};
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Ok(ManuallyDrop::new(unsafe {
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dxgi_factory.CreateSwapChainForComposition(device, &desc, None)?
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}))
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Ok(unsafe { dxgi_factory.CreateSwapChainForComposition(device, &desc, None)? })
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}
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// #[cfg(feature = "enable-renderdoc")]
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@ -1010,7 +1004,7 @@ fn create_swap_chain_default(
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hwnd: HWND,
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width: u32,
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height: u32,
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) -> Result<ManuallyDrop<IDXGISwapChain1>> {
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) -> Result<IDXGISwapChain1> {
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use windows::Win32::Graphics::Dxgi::DXGI_MWA_NO_ALT_ENTER;
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let desc = DXGI_SWAP_CHAIN_DESC1 {
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@ -1032,7 +1026,33 @@ fn create_swap_chain_default(
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let swap_chain =
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unsafe { dxgi_factory.CreateSwapChainForHwnd(device, hwnd, &desc, None, None) }?;
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unsafe { dxgi_factory.MakeWindowAssociation(hwnd, DXGI_MWA_NO_ALT_ENTER) }?;
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Ok(ManuallyDrop::new(swap_chain))
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Ok(swap_chain)
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}
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#[inline]
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fn create_resources(
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devices: &DirectXDevices,
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swap_chain: &IDXGISwapChain1,
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width: u32,
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height: u32,
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) -> Result<(
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ManuallyDrop<ID3D11Texture2D>,
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[Option<ID3D11RenderTargetView>; 1],
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ID3D11Texture2D,
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[Option<ID3D11RenderTargetView>; 1],
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[D3D11_VIEWPORT; 1],
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)> {
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let (render_target, render_target_view) =
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create_render_target_and_its_view(&swap_chain, &devices.device)?;
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let (msaa_target, msaa_view) = create_msaa_target_and_its_view(&devices.device, width, height)?;
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let viewport = set_viewport(&devices.device_context, width as f32, height as f32);
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Ok((
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render_target,
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render_target_view,
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msaa_target,
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msaa_view,
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viewport,
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))
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}
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#[inline]
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@ -1057,7 +1077,7 @@ fn create_msaa_target_and_its_view(
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device: &ID3D11Device,
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width: u32,
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height: u32,
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) -> Result<(ID3D11Texture2D, ID3D11RenderTargetView)> {
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) -> Result<(ID3D11Texture2D, [Option<ID3D11RenderTargetView>; 1])> {
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let msaa_target = unsafe {
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let mut output = None;
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let desc = D3D11_TEXTURE2D_DESC {
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@ -1083,7 +1103,7 @@ fn create_msaa_target_and_its_view(
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device.CreateRenderTargetView(&msaa_target, None, Some(&mut output))?;
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output.unwrap()
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};
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Ok((msaa_target, msaa_view))
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Ok((msaa_target, [Some(msaa_view)]))
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}
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#[inline]
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