diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_miptree.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_miptree.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_miptree.c b/src/gallium/drivers/nv40/nv40_miptree.c index b1fba11d2fe..e8cd104ea44 100644 --- a/src/gallium/drivers/nv40/nv40_miptree.c +++ b/src/gallium/drivers/nv40/nv40_miptree.c @@ -106,6 +106,30 @@ nv40_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) return &mt->base; } +static struct pipe_texture * +nv40_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, + const unsigned *stride, struct pipe_buffer *pb) +{ + struct nv40_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(nv40_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 void nv40_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt) { @@ -188,6 +212,7 @@ void nv40_screen_init_miptree_functions(struct pipe_screen *pscreen) { pscreen->texture_create = nv40_miptree_create; + pscreen->texture_blanket = nv40_miptree_blanket; pscreen->texture_release = nv40_miptree_release; pscreen->get_tex_surface = nv40_miptree_surface_new; pscreen->tex_surface_release = nv40_miptree_surface_del; |