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screencopy-v1: fix frame_shm_copy() error path

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Don't call wlr_renderer_end() if wlr_renderer_begin_with_buffer()
failed. This will result in an abort().
This commit is contained in:
Simon Ser 2022-10-03 11:35:59 +02:00 • committed by Alexander Orzechowski
parent 0613fb0159
commit 0af4affd0b
1 changed files with 6 additions and 4 deletions
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10
types/wlr_screencopy_v1.c
View file

@ -209,16 +209,18 @@ static bool frame_shm_copy(struct wlr_screencopy_frame_v1 *frame,
}
uint32_t renderer_flags = 0;
bool ok;
ok = wlr_renderer_begin_with_buffer(renderer, src_buffer);
ok = ok && wlr_renderer_read_pixels(renderer, format, &renderer_flags,
bool ok = false;
if (!wlr_renderer_begin_with_buffer(renderer, src_buffer)) {
goto out;
}
ok = wlr_renderer_read_pixels(renderer, format, &renderer_flags,
stride, width, height, x, y, 0, 0, data);
wlr_renderer_end(renderer);
*flags = renderer_flags & WLR_RENDERER_READ_PIXELS_Y_INVERT ?
ZWLR_SCREENCOPY_FRAME_V1_FLAGS_Y_INVERT : 0;
out:
wlr_buffer_end_data_ptr_access(frame->buffer);
return ok;
}