1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @file 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * A variation of malloc buffers which get transferred to real graphics memory 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * when there is an attempt to validate them. 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * @author Jose Fonseca <jrfonseca@tungstengraphics.com> 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_memory.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pb_buffer.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pb_bufmgr.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_ondemand_manager; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_ondemand_buffer 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer base; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_manager *mgr; 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Regular malloc'ed memory */ 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *data; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned mapcount; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Real buffer */ 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer *buffer; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size size; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_desc desc; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_ondemand_manager 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_manager base; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_manager *provider; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern const struct pb_vtbl pb_ondemand_buffer_vtbl; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE struct pb_ondemand_buffer * 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer(struct pb_buffer *buf) 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!buf) 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->vtbl == &pb_ondemand_buffer_vtbl); 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (struct pb_ondemand_buffer *)buf; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE struct pb_ondemand_manager * 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_manager(struct pb_manager *mgr) 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(mgr); 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (struct pb_ondemand_manager *)mgr; 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_destroy(struct pb_buffer *_buf) 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_reference(&buf->buffer, NULL); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org align_free(buf->data); 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(buf); 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void * 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_map(struct pb_buffer *_buf, 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags, void *flush_ctx) 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(buf->buffer) { 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!buf->data); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return pb_map(buf->buffer, flags, flush_ctx); 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->data); 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ++buf->mapcount; 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return buf->data; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_unmap(struct pb_buffer *_buf) 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(buf->buffer) { 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!buf->data); 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_unmap(buf->buffer); 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->data); 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->mapcount); 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(buf->mapcount) 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org --buf->mapcount; 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic enum pipe_error 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_instantiate(struct pb_ondemand_buffer *buf) 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->buffer) { 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_manager *provider = buf->mgr->provider; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint8_t *map; 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!buf->mapcount); 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->buffer = provider->create_buffer(provider, buf->size, &buf->desc); 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->buffer) 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_ERROR_OUT_OF_MEMORY; 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org map = pb_map(buf->buffer, PB_USAGE_CPU_READ, NULL); 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!map) { 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_reference(&buf->buffer, NULL); 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_ERROR; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(map, buf->data, buf->size); 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_unmap(buf->buffer); 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->mapcount) { 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(buf->data); 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->data = NULL; 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_OK; 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic enum pipe_error 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_validate(struct pb_buffer *_buf, 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_validate *vl, 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags) 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_error ret; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!buf->mapcount); 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(buf->mapcount) 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_ERROR; 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = pb_ondemand_buffer_instantiate(buf); 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(ret != PIPE_OK) 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return pb_validate(buf->buffer, vl, flags); 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_fence(struct pb_buffer *_buf, 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_fence_handle *fence) 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->buffer); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->buffer) 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_fence(buf->buffer, fence); 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_get_base_buffer(struct pb_buffer *_buf, 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer **base_buf, 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size *offset) 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf = pb_ondemand_buffer(_buf); 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(pb_ondemand_buffer_instantiate(buf) != PIPE_OK) { 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *base_buf = &buf->base; 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset = 0; 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_get_base_buffer(buf->buffer, base_buf, offset); 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst struct pb_vtbl 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_buffer_vtbl = { 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_destroy, 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_map, 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_unmap, 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_validate, 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_fence, 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_ondemand_buffer_get_base_buffer 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct pb_buffer * 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_manager_create_buffer(struct pb_manager *_mgr, 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size size, 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pb_desc *desc) 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_buffer *buf; 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf = CALLOC_STRUCT(pb_ondemand_buffer); 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_reference_init(&buf->base.reference, 1); 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.alignment = desc->alignment; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.usage = desc->usage; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.size = size; 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.vtbl = &pb_ondemand_buffer_vtbl; 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->mgr = mgr; 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->data = align_malloc(size, desc->alignment < sizeof(void*) ? sizeof(void*) : desc->alignment); 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->data) { 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(buf); 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->size = size; 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->desc = *desc; 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &buf->base; 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_manager_flush(struct pb_manager *_mgr) 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr->provider->flush(mgr->provider); 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_manager_destroy(struct pb_manager *_mgr) 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_manager *mgr = pb_ondemand_manager(_mgr); 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(mgr); 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_manager * 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_ondemand_manager_create(struct pb_manager *provider) 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_ondemand_manager *mgr; 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!provider) 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr = CALLOC_STRUCT(pb_ondemand_manager); 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!mgr) 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr->base.destroy = pb_ondemand_manager_destroy; 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr->base.create_buffer = pb_ondemand_manager_create_buffer; 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr->base.flush = pb_ondemand_manager_flush; 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mgr->provider = provider; 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &mgr->base; 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 306