1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 2015 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_STATE_COMPUTE_H 29 #define ILO_STATE_COMPUTE_H 30 31 #include "genhw/genhw.h" 32 33 #include "ilo_core.h" 34 #include "ilo_dev.h" 35 36 /* 37 * From the Haswell PRM, volume 7, page 836: 38 * 39 * "The first 64 URB entries are reserved for the interface 40 * description..." 41 */ 42 #define ILO_STATE_COMPUTE_MAX_INTERFACE_COUNT 64 43 44 struct ilo_state_compute_interface_info { 45 /* usually 0 unless there are multiple interfaces */ 46 uint32_t kernel_offset; 47 48 uint8_t sampler_count; 49 uint8_t surface_count; 50 51 uint16_t thread_group_size; 52 uint32_t slm_size; 53 54 uint16_t curbe_read_offset; 55 uint16_t curbe_read_length; 56 uint16_t cross_thread_curbe_read_length; 57 }; 58 59 struct ilo_state_compute_info { 60 void *data; 61 size_t data_size; 62 63 const struct ilo_state_compute_interface_info *interfaces; 64 uint8_t interface_count; 65 66 uint32_t per_thread_scratch_size; 67 68 uint32_t cv_urb_alloc_size; 69 uint32_t curbe_alloc_size; 70 }; 71 72 struct ilo_state_compute { 73 uint32_t vfe[3]; 74 75 uint32_t (*idrt)[6]; 76 uint8_t idrt_count; 77 78 uint32_t scratch_size; 79 }; 80 81 static inline size_t 82 ilo_state_compute_data_size(const struct ilo_dev *dev, 83 uint8_t interface_count) 84 { 85 const struct ilo_state_compute *compute = NULL; 86 return sizeof(compute->idrt[0]) * interface_count; 87 } 88 89 bool 90 ilo_state_compute_init(struct ilo_state_compute *compute, 91 const struct ilo_dev *dev, 92 const struct ilo_state_compute_info *info); 93 94 static inline uint32_t 95 ilo_state_compute_get_scratch_size(const struct ilo_state_compute *compute) 96 { 97 return compute->scratch_size; 98 } 99 100 #endif /* ILO_STATE_COMPUTE_H */ 101