diff options
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_miptree.c')
| -rw-r--r-- | src/gallium/drivers/nv20/nv20_miptree.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c index 8e4cc809027..89a4058700c 100644 --- a/src/gallium/drivers/nv20/nv20_miptree.c +++ b/src/gallium/drivers/nv20/nv20_miptree.c @@ -51,6 +51,30 @@ nv20_miptree_layout(struct nv20_miptree *nv20mt) } static struct pipe_texture * +nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, + const unsigned *stride, struct pipe_buffer *pb) +{ + struct nv20_miptree *mt; + + /* Only supports 2D, non-mipmapped textures for the moment */ + if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 || + pt->depth[0] != 1) + return NULL; + + mt = CALLOC_STRUCT(nv20_miptree); + if (!mt) + return NULL; + + mt->base = *pt; + mt->base.refcount = 1; + mt->base.screen = pscreen; + mt->level[0].image_offset = CALLOC(1, sizeof(unsigned)); + + pipe_buffer_reference(pscreen, &mt->buffer, pb); + return &mt->base; +} + +static struct pipe_texture * nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt) { struct pipe_winsys *ws = screen->winsys; @@ -146,6 +170,7 @@ nv20_miptree_surface_release(struct pipe_screen *pscreen, void nv20_screen_init_miptree_functions(struct pipe_screen *pscreen) { pscreen->texture_create = nv20_miptree_create; + pscreen->texture_blanket = nv20_miptree_blanket; pscreen->texture_release = nv20_miptree_release; pscreen->get_tex_surface = nv20_miptree_surface_get; pscreen->tex_surface_release = nv20_miptree_surface_release; |