1544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin/************************************************************************** 2544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 3544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Copyright 2009 VMware, Inc. All Rights Reserved. 4544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 5544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Permission is hereby granted, free of charge, to any person obtaining a 6544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * copy of this software and associated documentation files (the 7544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * "Software"), to deal in the Software without restriction, including 8544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * without limitation the rights to use, copy, modify, merge, publish, 9544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * distribute, sub license, and/or sell copies of the Software, and to 10544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * permit persons to whom the Software is furnished to do so, subject to 11544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * the following conditions: 12544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 13544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * The above copyright notice and this permission notice (including the 14544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * next paragraph) shall be included in all copies or substantial portions 15544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * of the Software. 16544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 17544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 21544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 25544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin **************************************************************************/ 26544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 27544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#ifndef UTIL_ARRAY_H 28544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#define UTIL_ARRAY_H 29544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 30544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include "util/u_memory.h" 31544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 32544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#define DEFAULT_ARRAY_SIZE 256 33544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 34544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstruct array { 35544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint datatype_size; 36544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin void *data; 37544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint size; 38544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint num_elements; 39544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin}; 40544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 41544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE struct array *array_create(VGint datatype_size) 42544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 43544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct array *array = CALLOC_STRUCT(array); 44544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->datatype_size = datatype_size; 45544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 46544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->size = DEFAULT_ARRAY_SIZE; 47544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->data = malloc(array->size * array->datatype_size); 48544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 49544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return array; 50544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 51544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 52544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 53544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE struct array *array_create_size(VGint datatype_size, VGint size) 54544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 55544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct array *array = CALLOC_STRUCT(array); 56544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->datatype_size = datatype_size; 57544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 58544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->size = size; 59544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->data = malloc(array->size * array->datatype_size); 60544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 61544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return array; 62544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 63544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 64544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_destroy(struct array *array) 65544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 66544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (array) 67544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin free(array->data); 680f37f242dd79d8e60b674d6c47e1c305de3a1950Chia-I Wu FREE(array); 69544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 70544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 71544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_resize(struct array *array, int num) 72544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 73544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint size = array->datatype_size * num; 74544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin void *data = malloc(size); 75544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memcpy(data, array->data, array->size * array->datatype_size); 76544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin free(array->data); 77544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->data = data; 78544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->size = num; 79544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->num_elements = (array->num_elements > num) ? num : 80544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->num_elements; 81544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 82544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 83544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_append_data(struct array *array, 84544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin const void *data, int num_elements) 85544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 86544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGbyte *adata; 87544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 88544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin while (array->num_elements + num_elements > array->size) { 89544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array_resize(array, (array->num_elements + num_elements) * 1.5); 90544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 91544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin adata = (VGbyte *)array->data; 92544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memcpy(adata + (array->num_elements * array->datatype_size), data, 93544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin num_elements * array->datatype_size); 94544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->num_elements += num_elements; 95544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 96544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 97544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_change_data(struct array *array, 98544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin const void *data, 99544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin int start_idx, 100544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin int num_elements) 101544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 102544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGbyte *adata = (VGbyte *)array->data; 103544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memcpy(adata + (start_idx * array->datatype_size), data, 104544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin num_elements * array->datatype_size); 105544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 106544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 107544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_remove_element(struct array *array, 108544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin int idx) 109544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 110544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGbyte *adata = (VGbyte *)array->data; 111544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memmove(adata + (idx * array->datatype_size), 112544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin adata + ((idx + 1) * array->datatype_size), 113544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin (array->num_elements - idx - 1) * array->datatype_size); 114544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin --array->num_elements; 115544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 116544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 117544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE void array_reset(struct array *array) 118544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 119544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin array->num_elements = 0; 120544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 121544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 122544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#endif 123