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rusticl/mem: Image::copy_to_buffer layering

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33426>
This commit is contained in:
Karol Herbst 2025-02-06 18:52:00 +01:00 • committed by Marge Bot
parent 4f7a6bf2bd
commit 8459e55fe3
1 changed files with 28 additions and 18 deletions
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46
src/gallium/frontends/rusticl/core/memory.rs
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@ -1481,35 +1481,45 @@ impl Image {
&self,
ctx: &QueueContext,
dst: &Buffer,
src_origin: CLVec<usize>,
mut src_origin: CLVec<usize>,
dst_offset: usize,
region: &CLVec<usize>,
) -> CLResult<()> {
let bpp = self.image_format.pixel_size().unwrap().into();
let src_pitch;
let tx_src;
// the result is linear without any gaps because it's a plain buffer.
let dst_pitch = [bpp, bpp * region[0], bpp * region[0] * region[1]];
let mut dst_origin: CLVec<usize> = [dst_offset, 0, 0].into();
// if the parent object of this image is a buffer, we can simply do a rect copy between
// buffers here while taking the bpp into account.
if let Some(Mem::Buffer(buffer)) = self.parent() {
src_pitch = [
bpp,
let mut region = *region;
region[0] *= bpp;
src_origin[0] *= bpp;
dst_origin[0] *= bpp;
return buffer.copy_rect(
dst,
ctx,
&region,
&src_origin,
self.image_desc.row_pitch()? as usize,
self.image_desc.slice_pitch(),
];
let (offset, size) = CLVec::calc_offset_size(src_origin, region, src_pitch);
tx_src = buffer.tx(ctx, offset, size, RWFlags::RD)?;
} else {
tx_src = self.tx_image(
ctx,
&create_pipe_box(src_origin, *region, self.mem_type)?,
RWFlags::RD,
)?;
src_pitch = [1, tx_src.row_pitch() as usize, tx_src.slice_pitch()];
&dst_origin,
dst_pitch[1],
dst_pitch[2],
);
}
// If image is created from a buffer, use image's slice and row pitch instead
let dst_pitch = [bpp, bpp * region[0], bpp * region[0] * region[1]];
let tx_src = self.tx_image(
ctx,
&create_pipe_box(src_origin, *region, self.mem_type)?,
RWFlags::RD,
)?;
let dst_origin: CLVec<usize> = [dst_offset, 0, 0].into();
let src_pitch = [1, tx_src.row_pitch() as usize, tx_src.slice_pitch()];
let (offset, size) = CLVec::calc_offset_size(dst_origin, region, dst_pitch);
let tx_dst = dst.tx(ctx, offset, size, RWFlags::WR)?;