1a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard/* 2a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * Copyright 2010 Red Hat Inc. 3a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * 4a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * Permission is hereby granted, free of charge, to any person obtaining a 5a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * copy of this software and associated documentation files (the "Software"), 6a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * to deal in the Software without restriction, including without limitation 7a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * on the rights to use, copy, modify, merge, publish, distribute, sub 8a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * license, and/or sell copies of the Software, and to permit persons to whom 9a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * the Software is furnished to do so, subject to the following conditions: 10a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * 11a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * The above copyright notice and this permission notice (including the next 12a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * paragraph) shall be included in all copies or substantial portions of the 13a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * Software. 14a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * 15a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * USE OR OTHER DEALINGS IN THE SOFTWARE. 22a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * 23a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard * Authors: Dave Airlie <airlied@redhat.com> 24a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard */ 25a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 26a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard#include "util/u_index_modify.h" 27a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard#include "util/u_upload_mgr.h" 28a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard#include "radeonsi_pipe.h" 29a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 30a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 31a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellardvoid r600_translate_index_buffer(struct r600_context *r600, 32a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard struct pipe_index_buffer *ib, 33a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard unsigned count) 34a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard{ 35a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard struct pipe_resource *out_buffer = NULL; 36a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard unsigned out_offset; 37a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard void *ptr; 38a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 39a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard switch (ib->index_size) { 40a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard case 1: 412a311b18fce9ea6538b0997ad23d86a061fb273cMarek Olšák u_upload_alloc(r600->uploader, 0, count * 2, 42a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard &out_offset, &out_buffer, &ptr); 43a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 44a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard util_shorten_ubyte_elts_to_userptr( 45bf469f4edc60bd1c5fd770cb231b8d5ab801427fMarek Olšák &r600->context, ib, 0, ib->offset, count, ptr); 46a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard 47a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard pipe_resource_reference(&ib->buffer, NULL); 48a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard ib->buffer = out_buffer; 49a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard ib->offset = out_offset; 50a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard ib->index_size = 2; 51a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard break; 52a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard } 53a75c6163e605f35b14f26930dd9227e4f337ec9eTom Stellard} 54