1f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie/* 2f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * Copyright 2010 Red Hat Inc. 3f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * 4f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * Permission is hereby granted, free of charge, to any person obtaining a 5f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * copy of this software and associated documentation files (the "Software"), 6f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * to deal in the Software without restriction, including without limitation 7f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * on the rights to use, copy, modify, merge, publish, distribute, sub 8f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * license, and/or sell copies of the Software, and to permit persons to whom 9f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * the Software is furnished to do so, subject to the following conditions: 10f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * 11f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * The above copyright notice and this permission notice (including the next 12f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * paragraph) shall be included in all copies or substantial portions of the 13f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * Software. 14f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * 15f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * USE OR OTHER DEALINGS IN THE SOFTWARE. 22f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * 23f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie * Authors: Dave Airlie <airlied@redhat.com> 24f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie */ 2573a40d1383071fe25599509d218f4c40d049988dMarek Olšák 26330b6c85c961b32f704ce8ec7dbf8cb7fc0b80a8Marek Olšák#include "r600_pipe.h" 278fb7f1a8a4cbab5365491b4b41e50ff3f03306c8Kai Wasserbäch#include "util/u_index_modify.h" 2873a40d1383071fe25599509d218f4c40d049988dMarek Olšák#include "util/u_upload_mgr.h" 29f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie 30f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie 31e4340c1908a6a3b09e1a15d5195f6da7d00494d0Marek Olšákvoid r600_translate_index_buffer(struct r600_context *r600, 32344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák struct pipe_index_buffer *ib, 33344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák unsigned count) 34f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie{ 3577900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák struct pipe_resource *out_buffer = NULL; 3677900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák unsigned out_offset; 3777900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák void *ptr; 3877900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák 39344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák switch (ib->index_size) { 40f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie case 1: 41428855eea3e99d94474df6df0cb8dfc4a8819702Marek Olšák u_upload_alloc(r600->uploader, 0, count * 2, 42f94d390213308d4aca1515c75acc6865ebb45796Marek Olšák &out_offset, &out_buffer, &ptr); 4377900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák 4477900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák util_shorten_ubyte_elts_to_userptr( 45bf469f4edc60bd1c5fd770cb231b8d5ab801427fMarek Olšák &r600->context, ib, 0, ib->offset, count, ptr); 4677900843b42d9672c6b10f49c177a172041f6a8dMarek Olšák 47344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák pipe_resource_reference(&ib->buffer, NULL); 48344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák ib->buffer = out_buffer; 49344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák ib->offset = out_offset; 50344039d81d3cc079dd73b3b703ff613c344904e0Marek Olšák ib->index_size = 2; 51f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie break; 52f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie } 53f39e6c9c816b603a4ed8fd8cda8569b7e13c1f68Dave Airlie} 54