diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_resource.c')
-rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_resource.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_resource.c b/src/gallium/winsys/drm/nouveau/common/nouveau_resource.c deleted file mode 100644 index 766fd279fe0..00000000000 --- a/src/gallium/winsys/drm/nouveau/common/nouveau_resource.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright 2007 Nouveau Project - * - * 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 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 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 <stdlib.h> -#include <errno.h> -#include <util/u_memory.h> -#include "nouveau_drmif.h" -#include "nouveau_local.h" - -int -nouveau_resource_init(struct nouveau_resource **heap, - unsigned start, unsigned size) -{ - struct nouveau_resource *r; - - r = CALLOC_STRUCT(nouveau_resource); - if (!r) - return 1; - - r->start = start; - r->size = size; - *heap = r; - return 0; -} - -int -nouveau_resource_alloc(struct nouveau_resource *heap, int size, void *priv, - struct nouveau_resource **res) -{ - struct nouveau_resource *r; - - if (!heap || !size || !res || *res) - return 1; - - while (heap) { - if (!heap->in_use && heap->size >= size) { - r = CALLOC_STRUCT(nouveau_resource); - if (!r) - return 1; - - r->start = (heap->start + heap->size) - size; - r->size = size; - r->in_use = 1; - r->priv = priv; - - heap->size -= size; - - r->next = heap->next; - if (heap->next) - heap->next->prev = r; - r->prev = heap; - heap->next = r; - - *res = r; - return 0; - } - - heap = heap->next; - } - - return 1; -} - -void -nouveau_resource_free(struct nouveau_resource **res) -{ - struct nouveau_resource *r; - - if (!res || !*res) - return; - r = *res; - *res = NULL; - - r->in_use = 0; - - if (r->next && !r->next->in_use) { - struct nouveau_resource *new = r->next; - - new->prev = r->prev; - if (r->prev) - r->prev->next = new; - new->size += r->size; - new->start = r->start; - - free(r); - r = new; - } - - if (r->prev && !r->prev->in_use) { - r->prev->next = r->next; - if (r->next) - r->next->prev = r->prev; - r->prev->size += r->size; - FREE(r); - } - -} |