1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2010 Marek Olšák <maraeo@gmail.com> 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on the rights to use, copy, modify, merge, publish, distribute, sub 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * license, and/or sell copies of the Software, and to permit persons to whom 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the Software is furnished to do so, subject to the following conditions: 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_context.h" 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_index_modify.h" 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Ubyte indices. */ 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_shorten_ubyte_elts_to_userptr(struct pipe_context *context, 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned count, 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *out) 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *src_transfer = NULL; 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned char *in_map; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned short *out_map = out; 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ib->user_buffer) { 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = ib->user_buffer; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = pipe_buffer_map(context, ib->buffer, 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_READ | 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_UNSYNCHRONIZED, 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &src_transfer); 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map += start; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < count; i++) { 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_map = (unsigned short)(*in_map + index_bias); 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map++; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map++; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (src_transfer) 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, src_transfer); 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_shorten_ubyte_elts(struct pipe_context *context, 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource **out_buf, 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned count) 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource* new_elts; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned short *out_map; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *dst_transfer; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_elts = pipe_buffer_create(context->screen, 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_INDEX_BUFFER, 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_USAGE_STATIC, 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 2 * count); 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map = pipe_buffer_map(context, new_elts, PIPE_TRANSFER_WRITE, 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &dst_transfer); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_shorten_ubyte_elts_to_userptr(context, ib, index_bias, 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org start, count, out_map); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, dst_transfer); 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(out_buf, NULL); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_buf = new_elts; 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Ushort indices. */ 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_rebuild_ushort_elts_to_userptr(struct pipe_context *context, 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, unsigned count, 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *out) 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *in_transfer = NULL; 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned short *in_map; 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned short *out_map = out; 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ib->user_buffer) { 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = ib->user_buffer; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = pipe_buffer_map(context, ib->buffer, 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_READ | 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_UNSYNCHRONIZED, 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &in_transfer); 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map += start; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < count; i++) { 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_map = (unsigned short)(*in_map + index_bias); 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map++; 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map++; 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (in_transfer) 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, in_transfer); 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_rebuild_ushort_elts(struct pipe_context *context, 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource **out_buf, 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, unsigned count) 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *out_transfer = NULL; 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *new_elts; 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned short *out_map; 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_elts = pipe_buffer_create(context->screen, 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_INDEX_BUFFER, 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_USAGE_STATIC, 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 2 * count); 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map = pipe_buffer_map(context, new_elts, 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_WRITE, &out_transfer); 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_rebuild_ushort_elts_to_userptr(context, ib, index_bias, 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org start, count, out_map); 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, out_transfer); 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(out_buf, NULL); 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_buf = new_elts; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Uint indices. */ 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_rebuild_uint_elts_to_userptr(struct pipe_context *context, 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, unsigned count, 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *out) 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *in_transfer = NULL; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const unsigned int *in_map; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned int *out_map = out; 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ib->user_buffer) { 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = ib->user_buffer; 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map = pipe_buffer_map(context, ib->buffer, 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_READ | 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_UNSYNCHRONIZED, 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &in_transfer); 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map += start; 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < count; i++) { 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_map = (unsigned int)(*in_map + index_bias); 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org in_map++; 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map++; 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (in_transfer) 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, in_transfer); 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid util_rebuild_uint_elts(struct pipe_context *context, 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_index_buffer *ib, 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource **out_buf, 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int index_bias, 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned start, unsigned count) 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_transfer *out_transfer = NULL; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *new_elts; 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned int *out_map; 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org new_elts = pipe_buffer_create(context->screen, 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_INDEX_BUFFER, 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_USAGE_STATIC, 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 2 * count); 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org out_map = pipe_buffer_map(context, new_elts, 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TRANSFER_WRITE, &out_transfer); 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_rebuild_uint_elts_to_userptr(context, ib, index_bias, 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org start, count, out_map); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_buffer_unmap(context, out_transfer); 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(out_buf, NULL); 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *out_buf = new_elts; 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 204