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llvmpipe: Take offset into account when importing dmabufs

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Which is necessary for many common YCbCr formats.

Fixes: d74ea2c117 (llvmpipe: Implement dmabuf handling)
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34240>
(cherry picked from commit 05e7ac6551)
This commit is contained in:
Robert Mader 2025-03-27 15:11:25 +01:00 • committed by Eric Engestrom
parent 4aad059de8
commit 558a7d92d5
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -2314,7 +2314,7 @@
"description": "llvmpipe: Take offset into account when importing dmabufs",
"nominated": true,
"nomination_type": 2,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": "d74ea2c117fe96e527471e572336f931c3c77da1",
"notes": null

2
src/gallium/drivers/llvmpipe/lp_texture.c
View file

@ -757,7 +757,7 @@ llvmpipe_resource_from_handle(struct pipe_screen *_screen,
_screen->import_memory_fd(_screen, whandle->handle,
(struct pipe_memory_allocation**)&alloc,
&size, true)) {
void *data = alloc->cpu_addr;
void *data = (char*)alloc->cpu_addr + whandle->offset;
lpr->dt = winsys->displaytarget_create_mapped(winsys, template->bind,
template->format, template->width0, template->height0,
whandle->stride, data);