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render: add support for explicit sync

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This commit is contained in:
Julian Orth 2024-03-21 23:26:34 +01:00
parent 1b4492c670
commit 816315170f
22 changed files with 531 additions and 94 deletions
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84
src/gfx_apis/vulkan/renderer.rs
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@ -3,7 +3,8 @@ use {
async_engine::SpawnedFuture,
format::Format,
gfx_api::{
BufferResv, BufferResvUser, GfxApiOpt, GfxFormat, GfxFramebuffer, GfxTexture, SyncFile,
AcquireSync, BufferResv, BufferResvUser, GfxApiOpt, GfxFormat, GfxFramebuffer,
GfxTexture, ReleaseSync, SyncFile,
},
gfx_apis::vulkan::{
allocator::VulkanAllocator,
@ -48,6 +49,7 @@ use {
rc::Rc,
slice,
},
uapi::OwnedFd,
};
pub struct VulkanRenderer {
@ -70,6 +72,8 @@ pub struct VulkanRenderer {
pub(super) struct UsedTexture {
tex: Rc<VulkanImage>,
resv: Option<Rc<dyn BufferResv>>,
acquire_sync: AcquireSync,
release_sync: ReleaseSync,
}
#[derive(Default)]
@ -185,6 +189,8 @@ impl VulkanRenderer {
memory.textures.push(UsedTexture {
tex,
resv: c.buffer_resv.clone(),
acquire_sync: c.acquire_sync.clone(),
release_sync: c.release_sync,
});
}
}
@ -538,12 +544,11 @@ impl VulkanRenderer {
let import = |infos: &mut Vec<SemaphoreSubmitInfoKHR>,
semaphores: &mut Vec<Rc<VulkanSemaphore>>,
img: &VulkanImage,
sync: &AcquireSync,
flag: u32|
-> Result<(), VulkanError> {
if let VulkanImageMemory::DmaBuf(buf) = &img.ty {
for plane in &buf.template.dmabuf.planes {
let fd = dma_buf_export_sync_file(&plane.fd, flag)
.map_err(VulkanError::IoctlExportSyncFile)?;
let mut import_sync_file = |fd: OwnedFd| -> Result<(), VulkanError> {
let semaphore = self.allocate_semaphore()?;
semaphore.import_sync_file(fd)?;
infos.push(
@ -553,6 +558,22 @@ impl VulkanRenderer {
.build(),
);
semaphores.push(semaphore);
Ok(())
};
match sync {
AcquireSync::None => {}
AcquireSync::Implicit { .. } => {
for plane in &buf.template.dmabuf.planes {
let fd = dma_buf_export_sync_file(&plane.fd, flag)
.map_err(VulkanError::IoctlExportSyncFile)?;
import_sync_file(fd)?;
}
}
AcquireSync::SyncFile { sync_file } => {
let fd = uapi::fcntl_dupfd_cloexec(sync_file.raw(), 0)
.map_err(|e| VulkanError::Dupfd(e.into()))?;
import_sync_file(fd)?;
}
}
}
Ok(())
@ -562,6 +583,7 @@ impl VulkanRenderer {
&mut memory.wait_semaphore_infos,
&mut memory.wait_semaphores,
&texture.tex,
&texture.acquire_sync,
DMA_BUF_SYNC_READ,
)?;
}
@ -569,6 +591,7 @@ impl VulkanRenderer {
&mut memory.wait_semaphore_infos,
&mut memory.wait_semaphores,
fb,
&AcquireSync::Implicit,
DMA_BUF_SYNC_WRITE,
)?;
Ok(())
@ -580,20 +603,31 @@ impl VulkanRenderer {
Some(sync_file) => sync_file,
_ => return,
};
let import = |img: &VulkanImage, resv: Option<Rc<dyn BufferResv>>, flag: u32| {
if let Some(resv) = resv {
resv.set_sync_file(self.buffer_resv_user, sync_file);
} else if let VulkanImageMemory::DmaBuf(buf) = &img.ty {
if let Err(e) = buf.template.dmabuf.import_sync_file(flag, sync_file) {
log::error!("Could not import sync file into dmabuf: {}", ErrorFmt(e));
log::warn!("Relying on implicit sync");
let import =
|img: &VulkanImage, sync: ReleaseSync, resv: Option<Rc<dyn BufferResv>>, flag: u32| {
if sync == ReleaseSync::None {
return;
}
}
};
if let Some(resv) = resv {
resv.set_sync_file(self.buffer_resv_user, sync_file);
} else if sync == ReleaseSync::Implicit {
if let VulkanImageMemory::DmaBuf(buf) = &img.ty {
if let Err(e) = buf.template.dmabuf.import_sync_file(flag, sync_file) {
log::error!("Could not import sync file into dmabuf: {}", ErrorFmt(e));
log::warn!("Relying on implicit sync");
}
}
}
};
for texture in &mut memory.textures {
import(&texture.tex, texture.resv.take(), DMA_BUF_SYNC_READ);
import(
&texture.tex,
texture.release_sync,
texture.resv.take(),
DMA_BUF_SYNC_READ,
);
}
import(fb, None, DMA_BUF_SYNC_WRITE);
import(fb, ReleaseSync::Implicit, None, DMA_BUF_SYNC_WRITE);
}
fn submit(&self, buf: CommandBuffer) -> Result<(), VulkanError> {
@ -656,7 +690,7 @@ impl VulkanRenderer {
});
self.pending_frames.set(frame.point, frame.clone());
let future = self.device.instance.eng.spawn(await_release(
memory.release_sync_file.take(),
memory.release_sync_file.clone(),
self.device.instance.ring.clone(),
frame.clone(),
self.clone(),
@ -699,7 +733,13 @@ impl VulkanRenderer {
true,
)?;
(&*tmp_tex as &dyn GfxFramebuffer)
.copy_texture(&(tex.clone() as _), x, y)
.copy_texture(
&(tex.clone() as _),
AcquireSync::None,
ReleaseSync::None,
x,
y,
)
.map_err(VulkanError::GfxError)?;
self.read_all_pixels(&tmp_tex, stride, dst)
}
@ -839,9 +879,9 @@ impl VulkanRenderer {
fb: &VulkanImage,
opts: &[GfxApiOpt],
clear: Option<&Color>,
) -> Result<(), VulkanError> {
) -> Result<Option<SyncFile>, VulkanError> {
let res = self.try_execute(fb, opts, clear);
{
let sync_file = {
let mut memory = self.memory.borrow_mut();
memory.flush.clear();
memory.textures.clear();
@ -849,9 +889,9 @@ impl VulkanRenderer {
memory.sample.clear();
memory.wait_semaphores.clear();
memory.release_fence.take();
memory.release_sync_file.take();
}
res
memory.release_sync_file.take()
};
res.map(|_| sync_file)
}
fn allocate_command_buffer(&self) -> Result<Rc<VulkanCommandBuffer>, VulkanError> {