- struct nv50_miptree *mt = nv50_miptree(pt);
- struct nv50_miptree_level *lvl = &mt->level[level];
- struct pipe_surface *ps;
- unsigned img = 0;
-
- if (pt->target == PIPE_TEXTURE_CUBE)
- img = face;
-
- ps = CALLOC_STRUCT(pipe_surface);
- if (!ps)
- return NULL;
- pipe_texture_reference(&ps->texture, pt);
- ps->format = pt->format;
- ps->width = u_minify(pt->width0, level);
- ps->height = u_minify(pt->height0, level);
- ps->usage = flags;
- pipe_reference_init(&ps->reference, 1);
- ps->face = face;
- ps->level = level;
- ps->zslice = zslice;
- ps->offset = lvl->image_offset[img];
-
- if (pt->target == PIPE_TEXTURE_3D) {
- unsigned nb_h = util_format_get_nblocksy(pt->format, ps->height);
- ps->offset += get_zslice_offset(lvl->tile_mode, zslice,
- lvl->pitch, nb_h);
- }
-
- return ps;
+ nv50_miptree_get_handle, /* get_handle */
+ nv50_miptree_destroy, /* resource_destroy */
+ nv50_miptree_transfer_new, /* get_transfer */
+ nv50_miptree_transfer_del, /* transfer_destroy */
+ nv50_miptree_transfer_map, /* transfer_map */
+ u_default_transfer_flush_region, /* transfer_flush_region */
+ nv50_miptree_transfer_unmap, /* transfer_unmap */
+ u_default_transfer_inline_write /* transfer_inline_write */
+};
+
+struct pipe_resource *
+nv50_miptree_create(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ)
+{
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ struct nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
+ struct pipe_resource *pt = &mt->base.base;
+ int ret;
+ unsigned w, h, d, l, alloc_size;
+ uint32_t tile_flags;
+
+ if (!mt)
+ return NULL;
+
+ mt->base.vtbl = &nv50_miptree_vtbl;
+ *pt = *templ;
+ pipe_reference_init(&pt->reference, 1);
+ pt->screen = pscreen;
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ w = pt->width0;
+ h = pt->height0;
+ d = mt->layout_3d ? pt->depth0 : 1;
+
+ switch (pt->format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ tile_flags = 0x6c00;
+ break;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ tile_flags = 0x1800;
+ break;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ tile_flags = 0x2800;
+ break;
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ tile_flags = 0x7400;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+ tile_flags = 0x6000;
+ break;
+ default:
+ if (pt->bind & PIPE_BIND_CURSOR)
+ tile_flags = 0;
+ else
+ if ((pt->bind & PIPE_BIND_SCANOUT) &&
+ util_format_get_blocksizebits(pt->format) == 32)
+ tile_flags = 0x7a00;
+ else
+ tile_flags = 0x7000;
+ break;
+ }
+ if (pt->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_CURSOR))
+ tile_flags |= NOUVEAU_BO_TILE_SCANOUT;
+
+ /* For 3D textures, a mipmap is spanned by all the layers, for array
+ * textures and cube maps, each layer contains its own mipmaps.
+ */
+ for (l = 0; l <= pt->last_level; ++l) {
+ struct nv50_miptree_level *lvl = &mt->level[l];
+ unsigned nbx = util_format_get_nblocksx(pt->format, w);
+ unsigned nby = util_format_get_nblocksy(pt->format, h);
+ unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ lvl->offset = mt->total_size;
+
+ if (tile_flags & NOUVEAU_BO_TILE_LAYOUT_MASK)
+ lvl->tile_mode = get_tile_dims(nbx, nby, d);
+
+ lvl->pitch = align(nbx * blocksize, NV50_TILE_PITCH(lvl->tile_mode));
+
+ mt->total_size += lvl->pitch *
+ align(nby, NV50_TILE_HEIGHT(lvl->tile_mode)) *
+ align(d, NV50_TILE_DEPTH(lvl->tile_mode));
+
+ w = u_minify(w, 1);
+ h = u_minify(h, 1);
+ d = u_minify(d, 1);
+ }
+
+ if (pt->array_size > 1) {
+ mt->layer_stride = align(mt->total_size,
+ NV50_TILE_SIZE(mt->level[0].tile_mode));
+ mt->total_size = mt->layer_stride * pt->array_size;
+ }
+
+ alloc_size = mt->total_size;
+
+ ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, alloc_size,
+ mt->level[0].tile_mode, tile_flags,
+ &mt->base.bo);
+ if (ret) {
+ FREE(mt);
+ return NULL;
+ }
+ mt->base.domain = NOUVEAU_BO_VRAM;
+
+ return pt;