/usr/include/libdrm/radeon_cs.h is in libdrm-dev 2.4.91-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /*
* Copyright © 2008 Nicolai Haehnle
* Copyright © 2008 Jérôme Glisse
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
/*
* Authors:
* Aapo Tahkola <aet@rasterburn.org>
* Nicolai Haehnle <prefect_@gmx.net>
* Jérôme Glisse <glisse@freedesktop.org>
*/
#ifndef RADEON_CS_H
#define RADEON_CS_H
#include <stdint.h>
#include <string.h>
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_bo.h"
struct radeon_cs_reloc {
struct radeon_bo *bo;
uint32_t read_domain;
uint32_t write_domain;
uint32_t flags;
};
#define RADEON_CS_SPACE_OK 0
#define RADEON_CS_SPACE_OP_TO_BIG 1
#define RADEON_CS_SPACE_FLUSH 2
struct radeon_cs {
uint32_t *packets;
unsigned cdw;
unsigned ndw;
unsigned section_ndw;
unsigned section_cdw;
};
#define MAX_SPACE_BOS (32)
struct radeon_cs_manager;
extern struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
uint32_t ndw);
extern int radeon_cs_begin(struct radeon_cs *cs,
uint32_t ndw,
const char *file,
const char *func, int line);
extern int radeon_cs_end(struct radeon_cs *cs,
const char *file,
const char *func,
int line);
extern int radeon_cs_emit(struct radeon_cs *cs);
extern int radeon_cs_destroy(struct radeon_cs *cs);
extern int radeon_cs_erase(struct radeon_cs *cs);
extern int radeon_cs_need_flush(struct radeon_cs *cs);
extern void radeon_cs_print(struct radeon_cs *cs, FILE *file);
extern void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit);
extern void radeon_cs_space_set_flush(struct radeon_cs *cs, void (*fn)(void *), void *data);
extern int radeon_cs_write_reloc(struct radeon_cs *cs,
struct radeon_bo *bo,
uint32_t read_domain,
uint32_t write_domain,
uint32_t flags);
extern uint32_t radeon_cs_get_id(struct radeon_cs *cs);
/*
* add a persistent BO to the list
* a persistent BO is one that will be referenced across flushes,
* i.e. colorbuffer, textures etc.
* They get reset when a new "operation" happens, where an operation
* is a state emission with a color/textures etc followed by a bunch of vertices.
*/
void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs,
struct radeon_bo *bo,
uint32_t read_domains,
uint32_t write_domain);
/* reset the persistent BO list */
void radeon_cs_space_reset_bos(struct radeon_cs *cs);
/* do a space check with the current persistent BO list */
int radeon_cs_space_check(struct radeon_cs *cs);
/* do a space check with the current persistent BO list and a temporary BO
* a temporary BO is like a DMA buffer, which gets flushed with the
* command buffer */
int radeon_cs_space_check_with_bo(struct radeon_cs *cs,
struct radeon_bo *bo,
uint32_t read_domains,
uint32_t write_domain);
static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
{
cs->packets[cs->cdw++] = dword;
if (cs->section_ndw) {
cs->section_cdw++;
}
}
static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
{
memcpy(cs->packets + cs->cdw, &qword, sizeof(uint64_t));
cs->cdw += 2;
if (cs->section_ndw) {
cs->section_cdw += 2;
}
}
static inline void radeon_cs_write_table(struct radeon_cs *cs,
const void *data, uint32_t size)
{
memcpy(cs->packets + cs->cdw, data, size * 4);
cs->cdw += size;
if (cs->section_ndw) {
cs->section_cdw += size;
}
}
#endif
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