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get the blending state a bit closer to vulkan

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still looks bad :(
This commit is contained in:
Kate 2025-07-29 21:41:11 +02:00
parent d96bafb1e5
commit 1d60984cb6
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3 changed files with 29 additions and 10 deletions
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13
crates/gpui/src/platform/windows/directx_renderer.rs
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@ -149,6 +149,11 @@ impl DirectXRenderer {
}
fn pre_draw(&self) -> Result<()> {
#[cfg(not(feature = "enable-renderdoc"))]
let premultiplied_alpha = 1;
#[cfg(feature = "enable-renderdoc")]
let premultiplied_alpha = 0;
update_buffer(
&self.devices.device_context,
self.globals.global_params_buffer[0].as_ref().unwrap(),
@ -157,6 +162,7 @@ impl DirectXRenderer {
self.resources.viewport[0].Width,
self.resources.viewport[0].Height,
],
premultiplied_alpha,
..Default::default()
}],
)?;
@ -667,7 +673,8 @@ impl DirectXGlobalElements {
#[repr(C)]
struct GlobalParams {
viewport_size: [f32; 2],
_pad: u64,
premultiplied_alpha: u32,
_pad: u32,
}
struct PipelineState<T> {
@ -1093,7 +1100,7 @@ fn create_swap_chain(
// Composition SwapChains only support the DXGI_SCALING_STRETCH Scaling.
Scaling: DXGI_SCALING_STRETCH,
SwapEffect: DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL,
AlphaMode: DXGI_ALPHA_MODE_PREMULTIPLIED,
AlphaMode: DXGI_ALPHA_MODE_IGNORE,
Flags: 0,
};
Ok(unsafe { dxgi_factory.CreateSwapChainForComposition(device, &desc, None)? })
@ -1262,7 +1269,7 @@ fn create_blend_state(device: &ID3D11Device) -> Result<ID3D11BlendState> {
desc.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA;
desc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
desc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ONE;
desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL.0 as u8;
unsafe {
let mut state = None;