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reenable transparency

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This commit is contained in:
Junkui Zhang 2025-07-16 17:14:24 +08:00
parent 54e2420405
commit bfdcc65801
2 changed files with 64 additions and 34 deletions
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50
crates/gpui/src/platform/windows/directx_renderer.rs
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@ -1,4 +1,4 @@
use std::sync::Arc;
use std::{mem::ManuallyDrop, sync::Arc};
use ::util::ResultExt;
use anyhow::{Context, Result};
@ -37,7 +37,7 @@ pub(crate) struct DirectXDevices {
}
struct DirectXContext {
swap_chain: IDXGISwapChain1,
swap_chain: ManuallyDrop<IDXGISwapChain1>,
back_buffer: [Option<ID3D11RenderTargetView>; 1],
viewport: [D3D11_VIEWPORT; 1],
// #[cfg(not(feature = "enable-renderdoc"))]
@ -212,13 +212,35 @@ impl DirectXRenderer {
&mut self,
background_appearance: WindowBackgroundAppearance,
) -> Result<()> {
if background_appearance != WindowBackgroundAppearance::Opaque {
Err(anyhow::anyhow!(
"Set transparent background not supported when feature \"enable-renderdoc\" is enabled."
))
} else {
Ok(())
let transparent = background_appearance != WindowBackgroundAppearance::Opaque;
if self.transparent == transparent {
return Ok(());
}
self.transparent = transparent;
// unsafe {
// // recreate the swapchain
// self.devices.device_context.OMSetRenderTargets(None, None);
// drop(self.context.back_buffer[0].take().unwrap());
// ManuallyDrop::drop(&mut self.context.swap_chain);
// self.context.swap_chain = create_swap_chain_default(
// &self.devices.dxgi_factory,
// &self.devices.device,
// self.hwnd,
// transparent,
// )?;
// self.context.back_buffer = [Some(set_render_target_view(
// &self.context.swap_chain,
// &self.devices.device,
// &self.devices.device_context,
// )?)];
// self.context.viewport = set_viewport(
// &self.devices.device_context,
// self.context.viewport[0].Width,
// self.context.viewport[0].Height,
// );
// set_rasterizer_state(&self.devices.device, &self.devices.device_context)?;
// }
Ok(())
}
fn draw_shadows(&mut self, shadows: &[Shadow]) -> Result<()> {
@ -851,6 +873,14 @@ struct PathSprite {
color: Background,
}
impl Drop for DirectXContext {
fn drop(&mut self) {
unsafe {
ManuallyDrop::drop(&mut self.swap_chain);
}
}
}
#[inline]
fn get_dxgi_factory() -> Result<IDXGIFactory6> {
#[cfg(debug_assertions)]
@ -948,7 +978,7 @@ fn create_swap_chain_default(
device: &ID3D11Device,
hwnd: HWND,
_transparent: bool,
) -> Result<IDXGISwapChain1> {
) -> Result<ManuallyDrop<IDXGISwapChain1>> {
use windows::Win32::Graphics::Dxgi::DXGI_MWA_NO_ALT_ENTER;
let desc = DXGI_SWAP_CHAIN_DESC1 {
@ -970,7 +1000,7 @@ fn create_swap_chain_default(
let swap_chain =
unsafe { dxgi_factory.CreateSwapChainForHwnd(device, hwnd, &desc, None, None) }?;
unsafe { dxgi_factory.MakeWindowAssociation(hwnd, DXGI_MWA_NO_ALT_ENTER) }?;
Ok(swap_chain)
Ok(ManuallyDrop::new(swap_chain))
}
#[inline]