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Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_resolve_map.c')
-rw-r--r--[l---------]src/mesa/drivers/dri/i965/intel_resolve_map.c112
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;
+}