diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_resolve_map.c')
-rw-r--r--[l---------] | src/mesa/drivers/dri/i965/intel_resolve_map.c | 112 |
1 files changed, 111 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_resolve_map.c b/src/mesa/drivers/dri/i965/intel_resolve_map.c index 77e50fb..04b5c94 120000..100644 --- a/src/mesa/drivers/dri/i965/intel_resolve_map.c +++ b/src/mesa/drivers/dri/i965/intel_resolve_map.c @@ -1 +1,111 @@ -../intel/intel_resolve_map.c
\ No newline at end of file +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "intel_resolve_map.h" + +#include <assert.h> +#include <stdlib.h> + +/** + * \brief Set that the miptree slice at (level, layer) needs a resolve. + * + * If a map element already exists with the given key, then the value is + * changed to the given value of \c need. + */ +void +intel_resolve_map_set(struct intel_resolve_map *head, + uint32_t level, + uint32_t layer, + enum gen6_hiz_op need) +{ + struct intel_resolve_map **tail = &head->next; + struct intel_resolve_map *prev = head; + + while (*tail) { + if ((*tail)->level == level && (*tail)->layer == layer) { + (*tail)->need = need; + return; + } + prev = *tail; + tail = &(*tail)->next; + } + + *tail = malloc(sizeof(**tail)); + (*tail)->prev = prev; + (*tail)->next = NULL; + (*tail)->level = level; + (*tail)->layer = layer; + (*tail)->need = need; +} + +/** + * \brief Get an element from the map. + * \return null if element is not contained in map. + */ +struct intel_resolve_map* +intel_resolve_map_get(struct intel_resolve_map *head, + uint32_t level, + uint32_t layer) +{ + struct intel_resolve_map *item = head->next; + + while (item) { + if (item->level == level && item->layer == layer) + break; + else + item = item->next; + } + + return item; +} + +/** + * \brief Remove and free an element from the map. + */ +void +intel_resolve_map_remove(struct intel_resolve_map *elem) +{ + if (elem->prev) + elem->prev->next = elem->next; + if (elem->next) + elem->next->prev = elem->prev; + free(elem); +} + +/** + * \brief Remove and free all elements of the map. + */ +void +intel_resolve_map_clear(struct intel_resolve_map *head) +{ + struct intel_resolve_map *next = head->next; + struct intel_resolve_map *trash; + + while (next) { + trash = next; + next = next->next; + free(trash); + } + + head->next = NULL; +} |