-
- if (r300->hiz_clear.dirty) {
- r300_update_hiz_clear(r300);
- }
- if (r300->zmask_clear.dirty) {
- r300_update_zmask_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.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);
- return;
-}
-
-void r300_zmask_alloc_block(struct r300_context *r300, struct r300_surface *surf, int compress)
-{
- int bsize = 256;
- uint32_t zsize, ndw;
- int level = surf->base.level;
- struct r300_texture *tex;
-
- tex = r300_texture(surf->base.texture);
-
- /* We currently don't handle decompression for 3D textures and cubemaps
- * correctly. */
- if (tex->desc.b.b.target != PIPE_TEXTURE_1D &&
- tex->desc.b.b.target != PIPE_TEXTURE_2D)
- return;
-
- if (tex->zmask_mem[level])
- return;
-
- zsize = tex->desc.layer_size_in_bytes[level];
- zsize /= util_format_get_blocksize(tex->desc.b.b.format);
-
- /* each zmask dword represents 16 4x4 blocks - which is 256 pixels
- or 16 8x8 depending on the gb peq flag = 1024 pixels */
- if (compress == RV350_Z_COMPRESS_88)
- bsize = 1024;
-
- ndw = ALIGN_DIVUP(zsize, bsize);
- tex->zmask_mem[level] = u_mmAllocMem(r300->zmask_mm, ndw, 0, 0);
- return;
-}
-
-void 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);
-
- r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes);
-}
-
-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);
-
- u_mmDestroy(r300->zmask_mm);