[PATCH 3/3] wined3d: Call wined3d_context_unmap_bo_address() when updating a buffer BO.
Zebediah Figura
zfigura at codeweavers.com
Wed Feb 9 20:27:36 CST 2022
That is, don't just flush it, but unmap it as well.
As of d8e8ab21c0f9f00d295c035534637115a5d70f9f, we can get here even when
!wined3d_map_persistent(). Thus we currently end up leaving BOs mapped when
performing an accelerated DISCARD map. Try to avoid that.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/wined3d/buffer.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index a06bfb984ad..50e3e9fe2b4 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -1156,9 +1156,27 @@ void wined3d_buffer_update_sub_resource(struct wined3d_buffer *buffer, struct wi
}
if (upload_bo->addr.buffer_object && upload_bo->addr.buffer_object == buffer->buffer_object)
- wined3d_context_flush_bo_address(context, &upload_bo->addr, size);
+ {
+ struct wined3d_range range;
+
+ /* We need to flush changes, which is implicitly done by
+ * wined3d_context_unmap_bo_address() even if we aren't actually going
+ * to unmap.
+ *
+ * We would also like to free up virtual address space used by this BO
+ * if it's at a premium—note that this BO was allocated for an
+ * accelerated map. Hence we unmap the BO instead of merely flushing it;
+ * if we don't care about unmapping BOs then
+ * wined3d_context_unmap_bo_address() will flush and return.
+ */
+ range.offset = offset;
+ range.size = size;
+ wined3d_context_unmap_bo_address(context, (const struct wined3d_bo_address *)&upload_bo->addr, 1, &range);
+ }
else
+ {
wined3d_buffer_copy_bo_address(buffer, context, offset, &upload_bo->addr, size);
+ }
}
static void wined3d_buffer_init_data(struct wined3d_buffer *buffer,
--
2.34.1
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