Working passthrough for Meta Quest 3 (#66)

* Window is None

* Builds but check manifest

* debug prints

* Started, not passing last "cvt"

* Passthrough works, bevy not visible

* Passthrough working

* Passthrough working

* Working passthrough
This commit is contained in:
Rasmus Hogslätt
2024-02-01 05:05:24 +01:00
committed by GitHub
parent 53af86b073
commit 71a08798ef
9 changed files with 398 additions and 137 deletions

View File

@@ -1,9 +1,12 @@
use std::sync::atomic::AtomicBool;
use std::sync::Mutex;
// use crate::passthrough::XrPassthroughLayer;
use crate::passthrough::{Passthrough, PassthroughLayer};
use crate::resource_macros::*;
use crate::xr::sys::CompositionLayerPassthroughFB;
use crate::xr::{CompositionLayerBase, CompositionLayerFlags};
use bevy::prelude::*;
use core::ptr;
use openxr as xr;
xr_resource_wrapper!(XrInstance, xr::Instance);
@@ -16,6 +19,8 @@ xr_arc_resource_wrapper!(XrFrameWaiter, Mutex<xr::FrameWaiter>);
xr_arc_resource_wrapper!(XrSwapchain, Swapchain);
xr_arc_resource_wrapper!(XrFrameState, Mutex<xr::FrameState>);
xr_arc_resource_wrapper!(XrViews, Mutex<Vec<xr::View>>);
xr_arc_resource_wrapper!(XrPassthrough, Mutex<xr::sys::PassthroughFB>);
xr_arc_resource_wrapper!(XrPassthroughLayer, Mutex<xr::sys::PassthroughLayerFB>);
pub enum Swapchain {
Vulkan(SwapchainInner<xr::Vulkan>),
@@ -59,7 +64,7 @@ impl Swapchain {
stage: &xr::Space,
resolution: UVec2,
environment_blend_mode: xr::EnvironmentBlendMode,
// passthrough_layer: Option<&XrPassthroughLayer>,
passthrough_layer: Option<PassthroughLayer>,
) -> xr::Result<()> {
match self {
Swapchain::Vulkan(swapchain) => swapchain.end(
@@ -68,7 +73,7 @@ impl Swapchain {
stage,
resolution,
environment_blend_mode,
// passthrough_layer,
passthrough_layer,
),
}
}
@@ -128,7 +133,7 @@ impl<G: xr::Graphics> SwapchainInner<G> {
stage: &xr::Space,
resolution: UVec2,
environment_blend_mode: xr::EnvironmentBlendMode,
// passthrough_layer: Option<&XrPassthroughLayer>,
passthrough_layer: Option<PassthroughLayer>,
) -> xr::Result<()> {
let rect = xr::Rect2Di {
offset: xr::Offset2Di { x: 0, y: 0 },
@@ -142,75 +147,79 @@ impl<G: xr::Graphics> SwapchainInner<G> {
warn!("views are len of 0");
return Ok(());
}
// match passthrough_layer {
// Some(pass) => {
// // info!("Rendering with pass through");
// let passthrough_layer = xr::sys::CompositionLayerPassthroughFB {
// ty: CompositionLayerPassthroughFB::TYPE,
// next: ptr::null(),
// flags: CompositionLayerFlags::BLEND_TEXTURE_SOURCE_ALPHA,
// space: xr::sys::Space::NULL,
// layer_handle: pass.0,
// };
// self.stream.lock().unwrap().end(
// predicted_display_time,
// environment_blend_mode,
// &[
// &xr::CompositionLayerProjection::new()
// .layer_flags(CompositionLayerFlags::UNPREMULTIPLIED_ALPHA)
// .space(stage)
// .views(&[
// xr::CompositionLayerProjectionView::new()
// .pose(views[0].pose)
// .fov(views[0].fov)
// .sub_image(
// xr::SwapchainSubImage::new()
// .swapchain(&swapchain)
// .image_array_index(0)
// .image_rect(rect),
// ),
// xr::CompositionLayerProjectionView::new()
// .pose(views[1].pose)
// .fov(views[1].fov)
// .sub_image(
// xr::SwapchainSubImage::new()
// .swapchain(&swapchain)
// .image_array_index(1)
// .image_rect(rect),
// ),
// ]),
// unsafe {
// &*(&passthrough_layer as *const _ as *const CompositionLayerBase<G>)
// },
// ],
// )
// }
match passthrough_layer {
Some(pass) => {
//bevy::log::info!("Rendering with pass through");
// None =>
self.stream.lock().unwrap().end(
predicted_display_time,
environment_blend_mode,
&[&xr::CompositionLayerProjection::new().space(stage).views(&[
xr::CompositionLayerProjectionView::new()
.pose(views[0].pose)
.fov(views[0].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(0)
.image_rect(rect),
),
xr::CompositionLayerProjectionView::new()
.pose(views[1].pose)
.fov(views[1].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(1)
.image_rect(rect),
),
])],
)
// }
let passthrough_layer = xr::sys::CompositionLayerPassthroughFB {
ty: CompositionLayerPassthroughFB::TYPE,
next: ptr::null(),
flags: CompositionLayerFlags::UNPREMULTIPLIED_ALPHA,
space: xr::sys::Space::NULL,
layer_handle: pass.0,
};
self.stream.lock().unwrap().end(
predicted_display_time,
environment_blend_mode,
&[
unsafe {
&*(&passthrough_layer as *const _ as *const CompositionLayerBase<G>)
},
&xr::CompositionLayerProjection::new()
.layer_flags(CompositionLayerFlags::BLEND_TEXTURE_SOURCE_ALPHA)
.space(stage)
.views(&[
xr::CompositionLayerProjectionView::new()
.pose(views[0].pose)
.fov(views[0].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(0)
.image_rect(rect),
),
xr::CompositionLayerProjectionView::new()
.pose(views[1].pose)
.fov(views[1].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(1)
.image_rect(rect),
),
]),
],
)
}
None => {
bevy::log::info!("Rendering without pass through");
self.stream.lock().unwrap().end(
predicted_display_time,
environment_blend_mode,
&[&xr::CompositionLayerProjection::new().space(stage).views(&[
xr::CompositionLayerProjectionView::new()
.pose(views[0].pose)
.fov(views[0].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(0)
.image_rect(rect),
),
xr::CompositionLayerProjectionView::new()
.pose(views[1].pose)
.fov(views[1].fov)
.sub_image(
xr::SwapchainSubImage::new()
.swapchain(&swapchain)
.image_array_index(1)
.image_rect(rect),
),
])],
)
}
}
}
}