-
- if (r300->hiz_clear.dirty) {
- r300_update_hiz_clear(r300);
- }
-}
-
-void r300_hiz_alloc_block(struct r300_context *r300, struct r300_surface *surf)
-{
- struct r300_texture *tex;
- uint32_t zsize, ndw;
- int level = surf->base.u.tex.level;
-
- tex = r300_texture(surf->base.texture);
-
- if (tex->hiz_mem[level])
- return;
-
- zsize = tex->desc.layer_size_in_bytes[level];
- zsize /= util_format_get_blocksize(tex->desc.b.b.format);
- ndw = ALIGN_DIVUP(zsize, 64);
-
- tex->hiz_mem[level] = u_mmAllocMem(r300->hiz_mm, ndw, 0, 0);
-}
-
-boolean r300_hyperz_init_mm(struct r300_context *r300)
-{
- struct r300_screen* r300screen = r300->screen;
- int frag_pipes = r300screen->caps.num_frag_pipes;
-
- if (r300screen->caps.hiz_ram) {
- r300->hiz_mm = u_mmInit(0, r300screen->caps.hiz_ram * frag_pipes);
- if (!r300->hiz_mm) {
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
-void r300_hyperz_destroy_mm(struct r300_context *r300)
-{
- struct r300_screen* r300screen = r300->screen;
-
- if (r300screen->caps.hiz_ram) {
- u_mmDestroy(r300->hiz_mm);
- r300->hiz_mm = NULL;
- }