1444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca/************************************************************************** 2444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 3444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * All Rights Reserved. 5444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 6444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * Permission is hereby granted, free of charge, to any person obtaining a 7444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * copy of this software and associated documentation files (the 8444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * "Software"), to deal in the Software without restriction, including 9444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * without limitation the rights to use, copy, modify, merge, publish, 10444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * distribute, sub license, and/or sell copies of the Software, and to 11444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * permit persons to whom the Software is furnished to do so, subject to 12444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * the following conditions: 13444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 14444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * The above copyright notice and this permission notice (including the 15444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * next paragraph) shall be included in all copies or substantial portions 16444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * of the Software. 17444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 18444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 26444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca **************************************************************************/ 27444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 28444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca/** 29444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * @file 30444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * A variation of malloc buffers which get transferred to real graphics memory 31444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * when there is an attempt to validate them. 32444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * 33444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca * @author Jose Fonseca <jrfonseca@tungstengraphics.com> 34444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca */ 35444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 36444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 37ea4bf267e4b023b08043f91ac44592fed1736e7fJosé Fonseca#include "util/u_debug.h" 38444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca#include "util/u_memory.h" 39444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca#include "pb_buffer.h" 40444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca#include "pb_bufmgr.h" 41444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 42444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 43444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastruct pb_ondemand_manager; 44444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 45444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 46444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastruct pb_ondemand_buffer 47444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 48444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_buffer base; 49444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 50444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_manager *mgr; 51444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 52444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca /** Regular malloc'ed memory */ 53444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca void *data; 54444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca unsigned mapcount; 55444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 56444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca /** Real buffer */ 57444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_buffer *buffer; 582af0173e9e4eefe910c6011038e7346091a9b2a4José Fonseca pb_size size; 59444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_desc desc; 60444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca}; 61444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 62444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 63444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastruct pb_ondemand_manager 64444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 65444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_manager base; 66444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 67444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_manager *provider; 68444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca}; 69444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 70444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 71444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecaextern const struct pb_vtbl pb_ondemand_buffer_vtbl; 72444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 73444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic INLINE struct pb_ondemand_buffer * 74444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer(struct pb_buffer *buf) 75444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 76444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf); 775920b6b67988fc3977f43b39d8546cc20247bf31Zack Rusin if (!buf) 785920b6b67988fc3977f43b39d8546cc20247bf31Zack Rusin return NULL; 79444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf->vtbl == &pb_ondemand_buffer_vtbl); 80444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return (struct pb_ondemand_buffer *)buf; 81444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 82444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 83444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic INLINE struct pb_ondemand_manager * 84444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_manager(struct pb_manager *mgr) 85444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 86444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(mgr); 87444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return (struct pb_ondemand_manager *)mgr; 88444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 89444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 90444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 91444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 92444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_destroy(struct pb_buffer *_buf) 93444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 94444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 95444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 96444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_reference(&buf->buffer, NULL); 97444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 98444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca align_free(buf->data); 99444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 100444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca FREE(buf); 101444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 102444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 103444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 104444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void * 105444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_map(struct pb_buffer *_buf, 106b5fcf0c8e07e666523b007fab1d0fc18c2c89241Dave Airlie unsigned flags, void *flush_ctx) 107444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 108444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 109444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 110444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(buf->buffer) { 111444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(!buf->data); 112b5fcf0c8e07e666523b007fab1d0fc18c2c89241Dave Airlie return pb_map(buf->buffer, flags, flush_ctx); 113444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 114444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca else { 115444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf->data); 116444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca ++buf->mapcount; 117444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return buf->data; 118444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 119444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 120444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 121444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 122444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 123444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_unmap(struct pb_buffer *_buf) 124444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 125444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 126444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 127444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(buf->buffer) { 128444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(!buf->data); 129444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_unmap(buf->buffer); 130444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 131444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca else { 132444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf->data); 133444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf->mapcount); 134444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(buf->mapcount) 135444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca --buf->mapcount; 136444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 137444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 138444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 139444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 140444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic enum pipe_error 141444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_instantiate(struct pb_ondemand_buffer *buf) 142444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 143444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf->buffer) { 144444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_manager *provider = buf->mgr->provider; 145444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca uint8_t *map; 146444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 147444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(!buf->mapcount); 148444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 149444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->buffer = provider->create_buffer(provider, buf->size, &buf->desc); 150444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf->buffer) 151444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return PIPE_ERROR_OUT_OF_MEMORY; 152444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 153b5fcf0c8e07e666523b007fab1d0fc18c2c89241Dave Airlie map = pb_map(buf->buffer, PB_USAGE_CPU_READ, NULL); 154444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!map) { 155444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_reference(&buf->buffer, NULL); 156444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return PIPE_ERROR; 157444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 158444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 159444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca memcpy(map, buf->data, buf->size); 160444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 161444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_unmap(buf->buffer); 162444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 163444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf->mapcount) { 164444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca FREE(buf->data); 165444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->data = NULL; 166444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 167444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 168444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 169444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return PIPE_OK; 170444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 171444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 172444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic enum pipe_error 173444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_validate(struct pb_buffer *_buf, 174444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_validate *vl, 175444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca unsigned flags) 176444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 177444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 178444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca enum pipe_error ret; 179444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 180444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(!buf->mapcount); 181444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(buf->mapcount) 182444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return PIPE_ERROR; 183444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 184444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca ret = pb_ondemand_buffer_instantiate(buf); 185444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(ret != PIPE_OK) 186444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return ret; 187444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 188444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return pb_validate(buf->buffer, vl, flags); 189444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 190444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 191444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 192444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 193444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_fence(struct pb_buffer *_buf, 194444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pipe_fence_handle *fence) 195444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 196444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 197444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 198444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(buf->buffer); 199444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf->buffer) 200444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return; 201444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 202444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_fence(buf->buffer, fence); 203444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 204444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 205444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 206444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 207444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_get_base_buffer(struct pb_buffer *_buf, 208444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_buffer **base_buf, 2092af0173e9e4eefe910c6011038e7346091a9b2a4José Fonseca pb_size *offset) 210444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 211444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 212444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 213444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(pb_ondemand_buffer_instantiate(buf) != PIPE_OK) { 214444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca assert(0); 215444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca *base_buf = &buf->base; 216444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca *offset = 0; 217444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return; 218444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 219444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 220444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_get_base_buffer(buf->buffer, base_buf, offset); 221444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 222444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 223444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 224444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecaconst struct pb_vtbl 225444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_buffer_vtbl = { 226444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_destroy, 227444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_map, 228444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_unmap, 229444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_validate, 230444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_fence, 231444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca pb_ondemand_buffer_get_base_buffer 232444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca}; 233444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 234444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 235444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic struct pb_buffer * 236444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_manager_create_buffer(struct pb_manager *_mgr, 2372af0173e9e4eefe910c6011038e7346091a9b2a4José Fonseca pb_size size, 238444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca const struct pb_desc *desc) 239444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 240444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 241444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_buffer *buf; 242444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 243444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf = CALLOC_STRUCT(pb_ondemand_buffer); 244444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf) 245444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return NULL; 246444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 2474682e706012fe26627a2f827db01b5068cc62814Marek Olšák pipe_reference_init(&buf->base.reference, 1); 2484682e706012fe26627a2f827db01b5068cc62814Marek Olšák buf->base.alignment = desc->alignment; 2494682e706012fe26627a2f827db01b5068cc62814Marek Olšák buf->base.usage = desc->usage; 2504682e706012fe26627a2f827db01b5068cc62814Marek Olšák buf->base.size = size; 251444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->base.vtbl = &pb_ondemand_buffer_vtbl; 252444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 253444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->mgr = mgr; 254444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 255444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->data = align_malloc(size, desc->alignment < sizeof(void*) ? sizeof(void*) : desc->alignment); 256444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!buf->data) { 257444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca FREE(buf); 258444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return NULL; 259444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca } 260444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 261444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->size = size; 262444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca buf->desc = *desc; 263444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 264444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return &buf->base; 265444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 266444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 267444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 268444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 269444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_manager_flush(struct pb_manager *_mgr) 270444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 271444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 272444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 273444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr->provider->flush(mgr->provider); 274444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 275444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 276444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 277444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastatic void 278444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_manager_destroy(struct pb_manager *_mgr) 279444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 280444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 281444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 282444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca FREE(mgr); 283444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 284444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 285444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 286444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecastruct pb_manager * 287444e98de31c5456008a4b3568373db02ddc5385fJosé Fonsecapb_ondemand_manager_create(struct pb_manager *provider) 288444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca{ 289444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca struct pb_ondemand_manager *mgr; 290444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 291444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!provider) 292444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return NULL; 293444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 294444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr = CALLOC_STRUCT(pb_ondemand_manager); 295444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca if(!mgr) 296444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return NULL; 297444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 298444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr->base.destroy = pb_ondemand_manager_destroy; 299444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr->base.create_buffer = pb_ondemand_manager_create_buffer; 300444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr->base.flush = pb_ondemand_manager_flush; 301444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 302444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca mgr->provider = provider; 303444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca 304444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca return &mgr->base; 305444e98de31c5456008a4b3568373db02ddc5385fJosé Fonseca} 306