1 /* 2 * Copyright 2008 Nicolai Haehnle 3 * Copyright 2008 Jrme Glisse 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20 * USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * The above copyright notice and this permission notice (including the 23 * next paragraph) shall be included in all copies or substantial portions 24 * of the Software. 25 */ 26 /* 27 * Authors: 28 * Aapo Tahkola <aet (at) rasterburn.org> 29 * Nicolai Haehnle <prefect_ (at) gmx.net> 30 * Jrme Glisse <glisse (at) freedesktop.org> 31 */ 32 #ifndef RADEON_CS_H 33 #define RADEON_CS_H 34 35 #include <stdint.h> 36 #include <string.h> 37 #include "drm.h" 38 #include "radeon_drm.h" 39 #include "radeon_bo.h" 40 41 struct radeon_cs_reloc { 42 struct radeon_bo *bo; 43 uint32_t read_domain; 44 uint32_t write_domain; 45 uint32_t flags; 46 }; 47 48 49 #define RADEON_CS_SPACE_OK 0 50 #define RADEON_CS_SPACE_OP_TO_BIG 1 51 #define RADEON_CS_SPACE_FLUSH 2 52 53 struct radeon_cs { 54 uint32_t *packets; 55 unsigned cdw; 56 unsigned ndw; 57 unsigned section_ndw; 58 unsigned section_cdw; 59 }; 60 61 #define MAX_SPACE_BOS (32) 62 63 struct radeon_cs_manager; 64 65 extern struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm, 66 uint32_t ndw); 67 68 extern int radeon_cs_begin(struct radeon_cs *cs, 69 uint32_t ndw, 70 const char *file, 71 const char *func, int line); 72 extern int radeon_cs_end(struct radeon_cs *cs, 73 const char *file, 74 const char *func, 75 int line); 76 extern int radeon_cs_emit(struct radeon_cs *cs); 77 extern int radeon_cs_destroy(struct radeon_cs *cs); 78 extern int radeon_cs_erase(struct radeon_cs *cs); 79 extern int radeon_cs_need_flush(struct radeon_cs *cs); 80 extern void radeon_cs_print(struct radeon_cs *cs, FILE *file); 81 extern void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit); 82 extern void radeon_cs_space_set_flush(struct radeon_cs *cs, void (*fn)(void *), void *data); 83 extern int radeon_cs_write_reloc(struct radeon_cs *cs, 84 struct radeon_bo *bo, 85 uint32_t read_domain, 86 uint32_t write_domain, 87 uint32_t flags); 88 extern uint32_t radeon_cs_get_id(struct radeon_cs *cs); 89 /* 90 * add a persistent BO to the list 91 * a persistent BO is one that will be referenced across flushes, 92 * i.e. colorbuffer, textures etc. 93 * They get reset when a new "operation" happens, where an operation 94 * is a state emission with a color/textures etc followed by a bunch of vertices. 95 */ 96 void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs, 97 struct radeon_bo *bo, 98 uint32_t read_domains, 99 uint32_t write_domain); 100 101 /* reset the persistent BO list */ 102 void radeon_cs_space_reset_bos(struct radeon_cs *cs); 103 104 /* do a space check with the current persistent BO list */ 105 int radeon_cs_space_check(struct radeon_cs *cs); 106 107 /* do a space check with the current persistent BO list and a temporary BO 108 * a temporary BO is like a DMA buffer, which gets flushed with the 109 * command buffer */ 110 int radeon_cs_space_check_with_bo(struct radeon_cs *cs, 111 struct radeon_bo *bo, 112 uint32_t read_domains, 113 uint32_t write_domain); 114 115 static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword) 116 { 117 cs->packets[cs->cdw++] = dword; 118 if (cs->section_ndw) { 119 cs->section_cdw++; 120 } 121 } 122 123 static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword) 124 { 125 memcpy(cs->packets + cs->cdw, &qword, sizeof(uint64_t)); 126 cs->cdw += 2; 127 if (cs->section_ndw) { 128 cs->section_cdw += 2; 129 } 130 } 131 132 static inline void radeon_cs_write_table(struct radeon_cs *cs, 133 const void *data, uint32_t size) 134 { 135 memcpy(cs->packets + cs->cdw, data, size * 4); 136 cs->cdw += size; 137 if (cs->section_ndw) { 138 cs->section_cdw += size; 139 } 140 } 141 #endif 142
