diff options
-rw-r--r-- | src/gallium/drivers/nv50/nv50_miptree.c | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c index 7474c657650..58584934b18 100644 --- a/src/gallium/drivers/nv50/nv50_miptree.c +++ b/src/gallium/drivers/nv50/nv50_miptree.c @@ -1,29 +1,83 @@ #include "pipe/p_state.h" #include "pipe/p_defines.h" #include "pipe/p_util.h" -#include "pipe/p_screen.h" +#include "pipe/p_inlines.h" #include "nv50_context.h" +struct nv50_miptree { + struct pipe_texture base; + struct pipe_buffer *buffer; +}; + +static INLINE struct nv50_miptree * +nv50_miptree(struct pipe_texture *pt) +{ + return (struct nv50_miptree *)pt; +} + static struct pipe_texture * 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); + NOUVEAU_ERR("unimplemented\n"); - return NULL; + + mt->base = *pt; + mt->base.refcount = 1; + mt->base.screen = pscreen; + + mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL, + 512*32*4); + if (!mt->buffer) { + FREE(mt); + return NULL; + } + + return &mt->base; } static void -nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **pt) +nv50_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt) { + struct pipe_winsys *ws = pscreen->winsys; + struct pipe_texture *pt = *ppt; + NOUVEAU_ERR("unimplemented\n"); + + *ppt = NULL; + if (--pt->refcount <= 0) { + struct nv50_miptree *mt = nv50_miptree(pt); + + pipe_buffer_reference(ws, &mt->buffer, NULL); + FREE(mt); + } } static struct pipe_surface * nv50_miptree_surface(struct pipe_screen *pscreen, struct pipe_texture *pt, unsigned face, unsigned level, unsigned zslice) { + struct pipe_winsys *ws = pscreen->winsys; + struct nv50_miptree *mt = nv50_miptree(pt); + struct pipe_surface *ps; + NOUVEAU_ERR("unimplemented\n"); - return NULL; + + ps = ws->surface_alloc(ws); + if (!ps) + return NULL; + + pipe_buffer_reference(ws, &ps->buffer, mt->buffer); + ps->format = pt->format; + ps->cpp = pt->cpp; + ps->width = pt->width[level]; + ps->height = pt->height[level]; + ps->pitch = ps->width; + ps->offset = 0; + + return ps; } void |