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QOL improvement when device lost happens

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This commit is contained in:
Junkui Zhang 2025-07-30 17:36:14 +08:00
parent cc763729a0
commit d194bf4f52
5 changed files with 42 additions and 14 deletions
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11
crates/gpui/src/platform/windows/directx_renderer.rs
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@ -22,7 +22,7 @@ use crate::{
*,
};
const DISABLE_DIRECT_COMPOSITION: &str = "GPUI_DISABLE_DIRECT_COMPOSITION";
pub(crate) const DISABLE_DIRECT_COMPOSITION: &str = "GPUI_DISABLE_DIRECT_COMPOSITION";
const RENDER_TARGET_FORMAT: DXGI_FORMAT = DXGI_FORMAT_B8G8R8A8_UNORM;
// This configuration is used for MSAA rendering on paths only, and it's guaranteed to be supported by DirectX 11.
const PATH_MULTISAMPLE_COUNT: u32 = 4;
@ -113,9 +113,7 @@ impl DirectXDevices {
}
impl DirectXRenderer {
pub(crate) fn new(hwnd: HWND) -> Result<Self> {
let disable_direct_composition = std::env::var(DISABLE_DIRECT_COMPOSITION)
.is_ok_and(|value| value == "true" || value == "1");
pub(crate) fn new(hwnd: HWND, disable_direct_composition: bool) -> Result<Self> {
if disable_direct_composition {
log::info!("Direct Composition is disabled.");
}
@ -198,6 +196,9 @@ impl DirectXRenderer {
}
fn handle_device_lost(&mut self) -> Result<()> {
// Here we wait a bit to ensure the the system has time to recover from the device lost state.
// If we don't wait, the final drawing result will be blank.
std::thread::sleep(std::time::Duration::from_millis(300));
let disable_direct_composition = self.direct_composition.is_none();
unsafe {
@ -323,6 +324,8 @@ impl DirectXRenderer {
"DirectX device removed or reset when resizing. Reason: {:?}",
reason
);
self.resources.width = width;
self.resources.height = height;
self.handle_device_lost()?;
return Ok(());
}