d3d11/context/
output_merger.rs

1use std::mem::transmute;
2
3use crate::{
4    blend_state::BlendState, cast_optional_resource_refs, rtv::RenderTargetView,
5    util::OptionalParam, DepthStencilState, DepthStencilView,
6};
7
8use super::DeviceContext;
9
10#[cfg_attr(feature = "profiling", profiling::all_functions)]
11impl DeviceContext {
12    pub fn output_merger_set_render_targets(
13        &self,
14        render_target_views: &[Option<&RenderTargetView>],
15        depth_stencil_view: Option<&DepthStencilView>,
16    ) {
17        unsafe {
18            let raw_rtvs = cast_optional_resource_refs!(8, render_target_views);
19            self.0.OMSetRenderTargets(
20                Some(transmute(raw_rtvs.as_slice())),
21                depth_stencil_view.map(|d| &d.0),
22            );
23        }
24    }
25
26    pub fn output_merger_get_render_targets(
27        &self,
28    ) -> ([Option<RenderTargetView>; 8], Option<DepthStencilView>) {
29        let mut rtvs = [const { None }; 8];
30        let mut dsv = None;
31        unsafe {
32            self.0.OMGetRenderTargets(Some(&mut rtvs), Some(&mut dsv));
33        }
34        (
35            rtvs.map(|r| r.map(RenderTargetView)),
36            dsv.map(DepthStencilView),
37        )
38    }
39
40    pub fn output_merger_set_blend_state(
41        &self,
42        blend_state: impl OptionalParam<Output = BlendState>,
43        blend_factor: Option<&[f32; 4]>,
44        sample_mask: u32,
45    ) {
46        unsafe {
47            self.0.OMSetBlendState(
48                blend_state.as_option().map(|bs| &bs.0),
49                blend_factor,
50                sample_mask,
51            );
52        }
53    }
54
55    pub fn output_merger_set_depth_stencil_state(
56        &self,
57        depth_stencil_state: impl OptionalParam<Output = DepthStencilState>,
58        stencil_ref: u32,
59    ) {
60        unsafe {
61            self.0.OMSetDepthStencilState(
62                depth_stencil_state.as_option().map(|dss| &dss.0),
63                stencil_ref,
64            );
65        }
66    }
67}
d3d11/context/output_merger.rs

d3d11/context/
output_merger.rs
