AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nouveau: Rename buffer on map if discardable, busy, and write-only.

Browse Source
This commit is contained in:
Younes Manton
2009-01-14 00:27:42 -05:00
parent 0521c2682a
commit 7309e80578
1 changed files with 15 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
+15
View File
@@ -121,6 +121,21 @@ nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
if (flags & PIPE_BUFFER_USAGE_CPU_WRITE)
map_flags |= NOUVEAU_BO_WR;
if (flags & PIPE_BUFFER_USAGE_DISCARD &&
!(flags & PIPE_BUFFER_USAGE_CPU_READ) &&
nouveau_bo_busy(nvbuf->bo, map_flags)) {
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_context *nv = nvpws->nv;
struct nouveau_device *dev = nv->nv_screen->device;
struct nouveau_bo *rename;
uint32_t flags = nouveau_flags_from_usage(nv, buf->usage);
if (!nouveau_bo_new(dev, flags, buf->alignment, buf->size, &rename)) {
nouveau_bo_del(&nvbuf->bo);
nvbuf->bo = rename;
}
}
if (nouveau_bo_map(nvbuf->bo, map_flags))
return NULL;
return nvbuf->bo->map;