142 lines
5.0 KiB
C
142 lines
5.0 KiB
C
/*
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* Copyright © 2008 Nicolai Haehnle
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* Copyright © 2008 Jérôme Glisse
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*/
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/*
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* Authors:
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* Aapo Tahkola <aet@rasterburn.org>
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* Nicolai Haehnle <prefect_@gmx.net>
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* Jérôme Glisse <glisse@freedesktop.org>
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*/
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#ifndef RADEON_CS_H
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#define RADEON_CS_H
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#include <stdint.h>
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#include <string.h>
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#include "drm.h"
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#include "radeon_drm.h"
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#include "radeon_bo.h"
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struct radeon_cs_reloc {
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struct radeon_bo *bo;
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uint32_t read_domain;
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uint32_t write_domain;
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uint32_t flags;
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};
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#define RADEON_CS_SPACE_OK 0
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#define RADEON_CS_SPACE_OP_TO_BIG 1
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#define RADEON_CS_SPACE_FLUSH 2
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struct radeon_cs {
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uint32_t *packets;
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unsigned cdw;
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unsigned ndw;
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unsigned section_ndw;
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unsigned section_cdw;
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};
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#define MAX_SPACE_BOS (32)
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struct radeon_cs_manager;
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extern struct radeon_cs *radeon_cs_create(struct radeon_cs_manager *csm,
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uint32_t ndw);
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extern int radeon_cs_begin(struct radeon_cs *cs,
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uint32_t ndw,
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const char *file,
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const char *func, int line);
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extern int radeon_cs_end(struct radeon_cs *cs,
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const char *file,
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const char *func,
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int line);
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extern int radeon_cs_emit(struct radeon_cs *cs);
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extern int radeon_cs_destroy(struct radeon_cs *cs);
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extern int radeon_cs_erase(struct radeon_cs *cs);
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extern int radeon_cs_need_flush(struct radeon_cs *cs);
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extern void radeon_cs_print(struct radeon_cs *cs, FILE *file);
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extern void radeon_cs_set_limit(struct radeon_cs *cs, uint32_t domain, uint32_t limit);
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extern void radeon_cs_space_set_flush(struct radeon_cs *cs, void (*fn)(void *), void *data);
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extern int radeon_cs_write_reloc(struct radeon_cs *cs,
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struct radeon_bo *bo,
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uint32_t read_domain,
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uint32_t write_domain,
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uint32_t flags);
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extern uint32_t radeon_cs_get_id(struct radeon_cs *cs);
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/*
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* add a persistent BO to the list
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* a persistent BO is one that will be referenced across flushes,
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* i.e. colorbuffer, textures etc.
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* They get reset when a new "operation" happens, where an operation
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* is a state emission with a color/textures etc followed by a bunch of vertices.
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*/
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void radeon_cs_space_add_persistent_bo(struct radeon_cs *cs,
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struct radeon_bo *bo,
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uint32_t read_domains,
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uint32_t write_domain);
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/* reset the persistent BO list */
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void radeon_cs_space_reset_bos(struct radeon_cs *cs);
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/* do a space check with the current persistent BO list */
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int radeon_cs_space_check(struct radeon_cs *cs);
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/* do a space check with the current persistent BO list and a temporary BO
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* a temporary BO is like a DMA buffer, which gets flushed with the
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* command buffer */
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int radeon_cs_space_check_with_bo(struct radeon_cs *cs,
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struct radeon_bo *bo,
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uint32_t read_domains,
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uint32_t write_domain);
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static inline void radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
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{
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cs->packets[cs->cdw++] = dword;
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if (cs->section_ndw) {
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cs->section_cdw++;
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}
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}
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static inline void radeon_cs_write_qword(struct radeon_cs *cs, uint64_t qword)
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{
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memcpy(cs->packets + cs->cdw, &qword, sizeof(uint64_t));
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cs->cdw += 2;
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if (cs->section_ndw) {
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cs->section_cdw += 2;
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}
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}
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static inline void radeon_cs_write_table(struct radeon_cs *cs,
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const void *data, uint32_t size)
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{
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memcpy(cs->packets + cs->cdw, data, size * 4);
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cs->cdw += size;
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if (cs->section_ndw) {
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cs->section_cdw += size;
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}
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}
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#endif
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