1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 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 * Implementation of malloc-based buffers to store data that can't be processed 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * by the hardware. 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 malloc_buffer 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer base; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *data; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern const struct pb_vtbl malloc_buffer_vtbl; 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE struct malloc_buffer * 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer(struct pb_buffer *buf) 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf); 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!buf) 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(buf->vtbl == &malloc_buffer_vtbl); 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (struct malloc_buffer *)buf; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_destroy(struct pb_buffer *buf) 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org align_free(malloc_buffer(buf)->data); 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(buf); 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void * 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_map(struct pb_buffer *buf, 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags, 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *flush_ctx) 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return malloc_buffer(buf)->data; 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_unmap(struct pb_buffer *buf) 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* No-op */ 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic enum pipe_error 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_validate(struct pb_buffer *buf, 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_validate *vl, 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned flags) 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return PIPE_ERROR; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_fence(struct pb_buffer *buf, 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_fence_handle *fence) 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(0); 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_get_base_buffer(struct pb_buffer *buf, 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer **base_buf, 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size *offset) 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *base_buf = buf; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *offset = 0; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst struct pb_vtbl 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgmalloc_buffer_vtbl = { 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_destroy, 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_map, 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_unmap, 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_validate, 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_fence, 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org malloc_buffer_get_base_buffer 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_buffer * 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_buffer_create(pb_size size, 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pb_desc *desc) 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct malloc_buffer *buf; 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* TODO: do a single allocation */ 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf = CALLOC_STRUCT(malloc_buffer); 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf) 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_reference_init(&buf->base.reference, 1); 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.usage = desc->usage; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.size = size; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.alignment = desc->alignment; 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->base.vtbl = &malloc_buffer_vtbl; 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buf->data = align_malloc(size, desc->alignment < sizeof(void*) ? sizeof(void*) : desc->alignment); 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if(!buf->data) { 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FREE(buf); 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &buf->base; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct pb_buffer * 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr_create_buffer(struct pb_manager *mgr, 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_size size, 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pb_desc *desc) 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return pb_malloc_buffer_create(size, desc); 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr_flush(struct pb_manager *mgr) 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* No-op */ 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr_destroy(struct pb_manager *mgr) 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* No-op */ 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic boolean 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr_is_buffer_busy( struct pb_manager *mgr, 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pb_buffer *buf ) 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct pb_manager 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr = { 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_malloc_bufmgr_destroy, 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_malloc_bufmgr_create_buffer, 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_malloc_bufmgr_flush, 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pb_malloc_bufmgr_is_buffer_busy 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct pb_manager * 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpb_malloc_bufmgr_create(void) 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &pb_malloc_bufmgr; 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 199