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Wed May 4 15:25:00 2022 +0800

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Ziyang Zhou
2022-05-04 15:25:00 +08:00
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prebuilts/x86/include/libdrm/radeon_cs.h Normal file
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/*
* 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