13a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/************************************************************************** 23a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 33a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. 43a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * All Rights Reserved. 53a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 63a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 73a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * copy of this software and associated documentation files (the 83a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * "Software"), to deal in the Software without restriction, including 93a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 103a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 113a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * permit persons to whom the Software is furnished to do so, subject to 123a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * the following conditions: 133a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 143a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * The above copyright notice and this permission notice (including the 153a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * next paragraph) shall be included in all copies or substantial portions 163a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * of the Software. 173a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 183a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 193a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 203a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 213a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 223a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 233a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 243a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 253a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 263a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org **************************************************************************/ 273a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 283a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/** 293a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \file 303a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Allocate buffers from two alternative buffer providers. 313a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 323a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * \author Jose Fonseca <jrfonseca@tungstengraphics.com> 333a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 343a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 353a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 363a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "pipe/p_compiler.h" 373a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "util/u_debug.h" 383a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "util/u_memory.h" 393a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 403a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "pb_buffer.h" 413a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org#include "pb_bufmgr.h" 423a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 433a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 443a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstruct pb_alt_manager 453a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 463a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_manager base; 473a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 483a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_manager *provider1; 493a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_manager *provider2; 503a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org}; 513a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 523a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 533a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic INLINE struct pb_alt_manager * 543a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgpb_alt_manager(struct pb_manager *mgr) 553a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 563a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org assert(mgr); 573a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return (struct pb_alt_manager *)mgr; 583a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 593a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 603a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 613a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic struct pb_buffer * 623a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgpb_alt_manager_create_buffer(struct pb_manager *_mgr, 633a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org pb_size size, 643a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const struct pb_desc *desc) 653a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 663a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_alt_manager *mgr = pb_alt_manager(_mgr); 673a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_buffer *buf; 683a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 693a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org buf = mgr->provider1->create_buffer(mgr->provider1, size, desc); 703a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org if(buf) 713a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return buf; 723a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 733a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org buf = mgr->provider2->create_buffer(mgr->provider2, size, desc); 743a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return buf; 753a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 763a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 773a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 783a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void 793a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgpb_alt_manager_flush(struct pb_manager *_mgr) 803a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 813a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_alt_manager *mgr = pb_alt_manager(_mgr); 823a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 833a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org assert(mgr->provider1->flush); 843a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org if(mgr->provider1->flush) 853a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->provider1->flush(mgr->provider1); 863a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 873a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org assert(mgr->provider2->flush); 883a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org if(mgr->provider2->flush) 893a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->provider2->flush(mgr->provider2); 903a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 913a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 923a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 933a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void 943a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgpb_alt_manager_destroy(struct pb_manager *mgr) 953a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 963a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org FREE(mgr); 973a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 983a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 993a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1003a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstruct pb_manager * 1013a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgpb_alt_manager_create(struct pb_manager *provider1, 1023a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_manager *provider2) 1033a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 1043a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org struct pb_alt_manager *mgr; 1053a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1063a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org if(!provider1 || !provider2) 1073a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return NULL; 1083a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1093a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr = CALLOC_STRUCT(pb_alt_manager); 1103a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org if (!mgr) 1113a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return NULL; 1123a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1133a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->base.destroy = pb_alt_manager_destroy; 1143a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->base.create_buffer = pb_alt_manager_create_buffer; 1153a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->base.flush = pb_alt_manager_flush; 1163a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->provider1 = provider1; 1173a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org mgr->provider2 = provider2; 1183a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 1193a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org return &mgr->base; 1203a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 121