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render: use explicit sync for framebuffers

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This commit is contained in:
Julian Orth 2024-09-16 15:28:44 +02:00
parent 1bc344dcc2
commit 386ee5120f
15 changed files with 235 additions and 64 deletions
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20
src/backends/metal/video.rs
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@ -2474,7 +2474,9 @@ impl MetalBackend {
Ok(fb) => fb,
Err(e) => return Err(MetalError::ImportFb(e)),
};
dev_fb.clear().map_err(MetalError::Clear)?;
dev_fb
.clear(AcquireSync::Unnecessary, ReleaseSync::None)
.map_err(MetalError::Clear)?;
let (dev_tex, render_tex, render_fb, render_bo) = if dev.id == render_ctx.dev_id {
let render_tex = match dev_img.to_texture() {
Ok(fb) => fb,
@ -2526,7 +2528,9 @@ impl MetalBackend {
Ok(fb) => fb,
Err(e) => return Err(MetalError::ImportFb(e)),
};
render_fb.clear().map_err(MetalError::Clear)?;
render_fb
.clear(AcquireSync::Unnecessary, ReleaseSync::None)
.map_err(MetalError::Clear)?;
let render_tex = match render_img.to_texture() {
Ok(fb) => fb,
Err(e) => return Err(MetalError::ImportTexture(e)),
@ -2797,9 +2801,17 @@ impl RenderBuffer {
let Some(tex) = &self.dev_tex else {
return Ok(sync_file);
};
let acquire_point = AcquireSync::from_sync_file(sync_file);
self.dev_fb
.copy_texture(tex, acquire_point, ReleaseSync::Implicit, 0, 0)
.copy_texture(
AcquireSync::Unnecessary,
ReleaseSync::Explicit,
tex,
None,
AcquireSync::from_sync_file(sync_file),
ReleaseSync::None,
0,
0,
)
.map_err(MetalError::CopyToOutput)
}
}