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Diffstat (limited to 'include/libdrm/libdrm/radeon_cs.h')
| -rw-r--r-- | include/libdrm/libdrm/radeon_cs.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/include/libdrm/libdrm/radeon_cs.h b/include/libdrm/libdrm/radeon_cs.h new file mode 100644 index 0000000..f68a624 --- /dev/null +++ b/include/libdrm/libdrm/radeon_cs.h @@ -0,0 +1,141 @@ +/* + * 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 |