13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Memory Pool Library 33c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * -------------------------------- 43c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 53c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Copyright 2014 The Android Open Source Project 63c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 73c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Licensed under the Apache License, Version 2.0 (the "License"); 83c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * you may not use this file except in compliance with the License. 93c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * You may obtain a copy of the License at 103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * http://www.apache.org/licenses/LICENSE-2.0 123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Unless required by applicable law or agreed to in writing, software 143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * distributed under the License is distributed on an "AS IS" BASIS, 153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * See the License for the specific language governing permissions and 173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * limitations under the License. 183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*! 203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \file 213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Memory pool heap class. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "dePoolHeap.h" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deInt32.h" 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <stdlib.h> 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <string.h> 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyrytypedef struct HeapItem_s 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int priority; 333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int value; 343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} HeapItem; 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 363c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDE_INLINE HeapItem HeapItem_create (int priority, int value) 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry HeapItem h; 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry h.priority = priority; 403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry h.value = value; 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return h; 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 443c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDE_INLINE int HeapItem_cmp (HeapItem a, HeapItem b) 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (a.priority < b.priority) 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return -1; 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (a.priority > b.priority) 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return +1; 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return 0; 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 533c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDE_DECLARE_POOL_HEAP(TestHeap, HeapItem, HeapItem_cmp); 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*--------------------------------------------------------------------*//*! 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \internal 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Test heap functionality. 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid dePoolHeap_selfTest (void) 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deMemPool* pool = deMemPool_createRoot(DE_NULL, 0); 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap* heap = TestHeap_create(pool); 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int i; 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(10, 10)); 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(0, 10)); 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(20, 10)); 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 3); 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_popMin(heap).priority == 0); 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_popMin(heap).priority == 10); 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_popMin(heap).priority == 20); 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 0); 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Push items -1000..1000 into heap. */ 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = -1000; i < 1000; i++) 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Dummy alloc to try to break alignments. */ 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deMemPool_alloc(pool, 1); 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(i, -i)); 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 2000); 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Push items -2500..-3000 into heap. */ 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = -2501; i >= -3000; i--) 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(i, -i)); 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 2500); 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Push items 6000..7500 into heap. */ 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = 6000; i < 7500; i++) 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestHeap_push(heap, HeapItem_create(i, -i)); 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 4000); 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Pop -3000..-2500 from heap. */ 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = -3000; i < -2500; i++) 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry HeapItem h = TestHeap_popMin(heap); 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.priority == i); 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.value == -h.priority); 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 3500); 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Pop -1000..1000 from heap. */ 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = -1000; i < 1000; i++) 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry HeapItem h = TestHeap_popMin(heap); 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.priority == i); 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.value == -h.priority); 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 1500); 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry /* Pop 6000..7500 from heap. */ 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (i = 6000; i < 7500; i++) 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry HeapItem h = TestHeap_popMin(heap); 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.priority == i); 1173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(h.value == -h.priority); 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_TEST_ASSERT(TestHeap_getNumElements(heap) == 0); 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deMemPool_destroy(pool); 1223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 123