wined3d: Do not allocate upload bufers for resources pinned to system memory.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Do not allocate upload bufers for resources pinned to system memory.
f257daf3 · Zebediah Figura · Alexandre Julliard · c724df3b · f257daf3
Commit f257daf3 authored Feb 17, 2022 by Zebediah Figura Committed by Alexandre Julliard Feb 18, 2022
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cs.c dlls/wined3d/cs.c +6 -0

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--- a/dlls/wined3d/cs.c
+++ b/dlls/wined3d/cs.c
@@ -3092,6 +3092,12 @@ static bool wined3d_cs_map_upload_bo(struct wined3d_device_context *context, str
            return NULL;
        }

+        if (resource->pin_sysmem)
+        {
+            TRACE("Not allocating an upload buffer because system memory is pinned for this resource.\n");
+            return NULL;
+        }
+
        if (flags & WINED3D_MAP_DISCARD)
        {
            if (!device->adapter->adapter_ops->adapter_alloc_bo(device, resource, sub_resource_idx, &addr))