2 * Copyright © 2008 Nicolai Haehnle
3 * Copyright © 2008 Jérôme Glisse
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:
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.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
28 * Aapo Tahkola <aet@rasterburn.org>
29 * Nicolai Haehnle <prefect_@gmx.net>
30 * Jérôme Glisse <glisse@freedesktop.org>
38 #include "radeon_drm.h"
39 #include "radeon_bo.h"
41 struct radeon_cs_reloc {
44 uint32_t write_domain;
49 #define RADEON_CS_SPACE_OK 0
50 #define RADEON_CS_SPACE_OP_TO_BIG 1
51 #define RADEON_CS_SPACE_FLUSH 2
61 #define MAX_SPACE_BOS (32)
63 struct radeon_cs_manager;
65 extern struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
68 extern int radeon_cs_begin(struct radeon_cs *cs,
71 const char *func, int line);
72 extern int radeon_cs_end(struct radeon_cs *cs,
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,
86 uint32_t write_domain,
88 extern uint32_t radeon_cs_get_id(struct radeon_cs *cs);
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.
96 void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs,
98 uint32_t read_domains,
99 uint32_t write_domain);
101 /* reset the persistent BO list */
102 void radeon_cs_space_reset_bos(struct radeon_cs *cs);
104 /* do a space check with the current persistent BO list */
105 int radeon_cs_space_check(struct radeon_cs *cs);
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
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);
115 static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
117 cs->packets[cs->cdw++] = dword;
118 if (cs->section_ndw) {
123 static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
125 memcpy(cs->packets + cs->cdw, &qword, sizeof(uint64_t));
127 if (cs->section_ndw) {
128 cs->section_cdw += 2;
132 static inline void radeon_cs_write_table(struct radeon_cs *cs,
133 const void *data, uint32_t size)
135 memcpy(cs->packets + cs->cdw, data, size * 4);
137 if (cs->section_ndw) {
138 cs->section_cdw += size;