1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 2012-2013 LunarG, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: 25 * Chia-I Wu <olv (at) lunarg.com> 26 */ 27 28 #ifndef ILO_TRANSFER_H 29 #define ILO_TRANSFER_H 30 31 #include "pipe/p_state.h" 32 33 #include "ilo_common.h" 34 35 /* 36 * Direct mappings are always page aligned, but ILO_TRANSFER_MAP_STAGING is 37 * not. 38 */ 39 #define ILO_TRANSFER_MAP_BUFFER_ALIGNMENT 64 40 41 enum ilo_transfer_map_method { 42 /* map() / map_gtt() / map_gtt_async() */ 43 ILO_TRANSFER_MAP_CPU, 44 ILO_TRANSFER_MAP_GTT, 45 ILO_TRANSFER_MAP_GTT_ASYNC, 46 47 /* use staging resource */ 48 ILO_TRANSFER_MAP_STAGING, 49 50 /* use staging system buffer */ 51 ILO_TRANSFER_MAP_SW_CONVERT, 52 ILO_TRANSFER_MAP_SW_ZS, 53 }; 54 55 struct ilo_transfer { 56 struct pipe_transfer base; 57 58 enum ilo_transfer_map_method method; 59 /* pipe_resource, system memory, or garbage depending on the method */ 60 union { 61 struct pipe_resource *res; 62 void *sys; 63 } staging; 64 }; 65 66 struct ilo_context; 67 68 static inline struct ilo_transfer * 69 ilo_transfer(struct pipe_transfer *transfer) 70 { 71 return (struct ilo_transfer *) transfer; 72 } 73 74 void 75 ilo_init_transfer_functions(struct ilo_context *ilo); 76 77 #endif /* ILO_TRANSFER_H */ 78
