diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c')
| -rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c index c8f26d5fad..683710ee3c 100644 --- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c +++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c @@ -121,26 +121,6 @@ nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf, if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) map_flags |= NOUVEAU_BO_WR; - /* XXX: Technically incorrect. If the client maps a buffer for write-only - * and leaves part of the buffer untouched it probably expects those parts - * to remain intact. This is violated because we allocate a whole new buffer - * and don't copy the previous buffer's contents, so this optimization is - * only valid if the client intends to overwrite the whole buffer. - */ - if ((map_flags & NOUVEAU_BO_RDWR) == NOUVEAU_BO_WR && - !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; |