Merge remote branch 'origin/mesa_7_6_branch'

[mesa.git] / src / gallium / drivers / nv10 / nv10_miptree.c

diff --git a/src/gallium/drivers/nv10/nv10_miptree.c b/src/gallium/drivers/nv10/nv10_miptree.c
index 943f9e21e98173179f18df49a9903003e2d0663f..34e3c2ebd770e86d2456049a2e34e6f32b3f19fe 100644 (file)
--- a/src/gallium/drivers/nv10/nv10_miptree.c
+++ b/src/gallium/drivers/nv10/nv10_miptree.c
@@ -50,22 +50,46 @@ nv10_miptree_layout(struct nv10_miptree *nv10mt)
        nv10mt->total_size = offset;
 }
 
+static struct pipe_texture *
+nv10_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
+                    const unsigned *stride, struct pipe_buffer *pb)
+{
+       struct nv10_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(nv10_miptree);
+       if (!mt)
+               return NULL;
+
+       mt->base = *pt;
+       pipe_reference_init(&mt->base.reference, 1);
+       mt->base.screen = pscreen;
+       mt->level[0].pitch = stride[0];
+       mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
+
+       pipe_buffer_reference(&mt->buffer, pb);
+       return &mt->base;
+}
+
 static struct pipe_texture *
 nv10_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
 {
-       struct pipe_winsys *ws = screen->winsys;
        struct nv10_miptree *mt;
 
        mt = MALLOC(sizeof(struct nv10_miptree));
        if (!mt)
                return NULL;
        mt->base = *pt;
-       mt->base.refcount = 1;
+       pipe_reference_init(&mt->base.reference, 1);
        mt->base.screen = screen;
 
        nv10_miptree_layout(mt);
 
-       mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
+       mt->buffer = screen->buffer_create(screen, 256, PIPE_BUFFER_USAGE_PIXEL,
                                           mt->total_size);
        if (!mt->buffer) {
                FREE(mt);
@@ -76,22 +100,17 @@ nv10_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
 }
 
 static void
-nv10_miptree_release(struct pipe_screen *screen, struct pipe_texture **pt)
+nv10_miptree_destroy(struct pipe_texture *pt)
 {
-       struct pipe_texture *mt = *pt;
-
-       *pt = NULL;
-       if (--mt->refcount <= 0) {
-               struct nv10_miptree *nv10mt = (struct nv10_miptree *)mt;
-               int l;
-
-               pipe_buffer_reference(screen, &nv10mt->buffer, NULL);
-               for (l = 0; l <= mt->last_level; l++) {
-                       if (nv10mt->level[l].image_offset)
-                               FREE(nv10mt->level[l].image_offset);
-               }
-               FREE(nv10mt);
-       }
+       struct nv10_miptree *nv10mt = (struct nv10_miptree *)pt;
+        int l;
+
+        pipe_buffer_reference(&nv10mt->buffer, NULL);
+        for (l = 0; l <= pt->last_level; l++) {
+               if (nv10mt->level[l].image_offset)
+                       FREE(nv10mt->level[l].image_offset);
+        }
+        FREE(nv10mt);
 }
 
 static void
@@ -106,44 +125,43 @@ nv10_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt,
                         unsigned face, unsigned level, unsigned zslice,
                         unsigned flags)
 {
-       struct pipe_winsys *ws = screen->winsys;
        struct nv10_miptree *nv10mt = (struct nv10_miptree *)pt;
-       struct pipe_surface *ps;
+       struct nv04_surface *ns;
 
-       ps = ws->surface_alloc(ws);
-       if (!ps)
+       ns = CALLOC_STRUCT(nv04_surface);
+       if (!ns)
                return NULL;
-       pipe_buffer_reference(screen, &ps->buffer, nv10mt->buffer);
-       ps->format = pt->format;
-       ps->width = pt->width[level];
-       ps->height = pt->height[level];
-       ps->block = pt->block;
-       ps->nblocksx = pt->nblocksx[level];
-       ps->nblocksy = pt->nblocksy[level];
-       ps->stride = nv10mt->level[level].pitch;
-       ps->refcount = 1;
-       ps->winsys = screen->winsys;
+       pipe_texture_reference(&ns->base.texture, pt);
+       ns->base.format = pt->format;
+       ns->base.width = pt->width[level];
+       ns->base.height = pt->height[level];
+       ns->base.usage = flags;
+       pipe_reference_init(&ns->base.reference, 1);
+       ns->base.face = face;
+       ns->base.level = level;
+       ns->base.zslice = zslice;
+       ns->pitch = nv10mt->level[level].pitch;
 
        if (pt->target == PIPE_TEXTURE_CUBE) {
-               ps->offset = nv10mt->level[level].image_offset[face];
+               ns->base.offset = nv10mt->level[level].image_offset[face];
        } else {
-               ps->offset = nv10mt->level[level].image_offset[0];
+               ns->base.offset = nv10mt->level[level].image_offset[0];
        }
 
-       return ps;
+       return &ns->base;
 }
 
 static void
-nv10_miptree_surface_release(struct pipe_screen *screen,
-                            struct pipe_surface **surface)
+nv10_miptree_surface_destroy(struct pipe_surface *surface)
 {
 }
 
 void nv10_screen_init_miptree_functions(struct pipe_screen *pscreen)
 {
        pscreen->texture_create = nv10_miptree_create;
-       pscreen->texture_release = nv10_miptree_release;
+       pscreen->texture_blanket = nv10_miptree_blanket;
+       pscreen->texture_destroy = nv10_miptree_destroy;
        pscreen->get_tex_surface = nv10_miptree_surface_get;
-       pscreen->tex_surface_release = nv10_miptree_surface_release;
+       pscreen->tex_surface_destroy = nv10_miptree_surface_destroy;
 }