diff options
| author | Ben Skeggs <skeggsb@gmail.com> | 2008-06-13 10:58:27 +1000 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2008-06-29 15:46:18 +1000 |
| commit | 101305f37f7268354a50b825bcb66894e4a0b777 (patch) | |
| tree | 839ec3a4755c32bd115aab5ac427775697c34c42 /src/gallium/drivers/nv50/nv50_miptree.c | |
| parent | 2fdeb4d5a5cc8b93bf885ba646e3a29a68c755ed (diff) | |
nv50: flag to indicate to winsys we want a surface for use as a zeta buffer
NVIDIA love to make life difficult.. we need different flags in PTEs for
zeta.. yay.. not.
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_miptree.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_miptree.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c index be85c3fd5c..459e0ff9dd 100644 --- a/src/gallium/drivers/nv50/nv50_miptree.c +++ b/src/gallium/drivers/nv50/nv50_miptree.c @@ -21,6 +21,7 @@ nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) { struct pipe_winsys *ws = pscreen->winsys; struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree); + unsigned usage; NOUVEAU_ERR("unimplemented\n"); @@ -28,7 +29,17 @@ nv50_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) mt->base.refcount = 1; mt->base.screen = pscreen; - mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL, + usage = PIPE_BUFFER_USAGE_PIXEL; + switch (pt->format) { + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z16_UNORM: + usage |= NOUVEAU_BUFFER_USAGE_ZETA; + break; + default: + break; + } + + mt->buffer = ws->buffer_create(ws, 256, usage, pt->width[0] * pt->cpp * pt->height[0]); if (!mt->buffer) { FREE(mt); |