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ImBuf: add IMB_allocFromBufferOwn that takes ownership of the buffer

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Avoids duplicating the image buffer when saving thumbnails.
This commit is contained in:
Campbell Barton
2021-09-06 20:04:26 +10:00
parent a0912ff566
commit 687f70ceca
4 changed files with 51 additions and 12 deletions
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3
source/blender/windowmanager/intern/wm_files.c
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@@ -1539,7 +1539,7 @@ static ImBuf *blend_file_thumb_from_screenshot(bContext *C, BlendThumbnail **thu
int win_size[2];
uint *buffer = WM_window_pixels_read(CTX_wm_manager(C), win, win_size);
ImBuf *ibuf = IMB_allocFromBuffer(buffer, NULL, win_size[0], win_size[1], 24);
ImBuf *ibuf = IMB_allocFromBufferOwn(buffer, NULL, win_size[0], win_size[1], 24);
if (ibuf) {
int ex, ey;
@@ -1561,7 +1561,6 @@ static ImBuf *blend_file_thumb_from_screenshot(bContext *C, BlendThumbnail **thu
BlendThumbnail *thumb = BKE_main_thumbnail_from_imbuf(NULL, thumb_ibuf);
IMB_freeImBuf(thumb_ibuf);
MEM_freeN(buffer);
*thumb_pt = thumb;
}
WM_cursor_wait(false);