=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: wined3d: Handle unmappable buffers in wined3d_device_process_vertices() gracefully.
Alexandre Julliard
julliard at winehq.org
Thu Dec 27 16:01:03 CST 2018
Module: wine
Branch: master
Commit: 2058505cebc7bb069e1e2d0d738353336e943b7b
URL: https://source.winehq.org/git/wine.git/?a=commit;h=2058505cebc7bb069e1e2d0d738353336e943b7b
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Tue Dec 25 13:24:36 2018 +0100
wined3d: Handle unmappable buffers in wined3d_device_process_vertices() gracefully.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wined3d/device.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index c90cbdb..d03a982 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3340,7 +3340,7 @@ HRESULT CDECL wined3d_device_process_vertices(struct wined3d_device *device,
struct wined3d_resource *resource;
struct wined3d_box box = {0};
struct wined3d_shader *vs;
- unsigned int i;
+ unsigned int i, j;
HRESULT hr;
WORD map;
@@ -3375,7 +3375,20 @@ HRESULT CDECL wined3d_device_process_vertices(struct wined3d_device *device,
box.left = src_start_idx * e->stride;
box.right = box.left + vertex_count * e->stride;
if (FAILED(wined3d_resource_map(resource, 0, &map_desc, &box, WINED3D_MAP_READ)))
+ {
ERR("Failed to map resource.\n");
+ for (j = 0, map = stream_info.use_map; map && j < i; map >>= 1, ++j)
+ {
+ if (!(map & 1))
+ continue;
+
+ e = &stream_info.elements[j];
+ resource = &state->streams[e->stream_idx].buffer->resource;
+ if (FAILED(wined3d_resource_unmap(resource, 0)))
+ ERR("Failed to unmap resource.\n");
+ }
+ return WINED3DERR_INVALIDCALL;
+ }
e->data.buffer_object = 0;
e->data.addr += (ULONG_PTR)map_desc.data;
}
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