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Diffstat (limited to 'libdrm/intel/intel_bufmgr.h')
| -rw-r--r-- | libdrm/intel/intel_bufmgr.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/libdrm/intel/intel_bufmgr.h b/libdrm/intel/intel_bufmgr.h new file mode 100644 index 00000000..1cf0d518 --- /dev/null +++ b/libdrm/intel/intel_bufmgr.h @@ -0,0 +1,95 @@ +/* + * Copyright © 2008 Intel Corporation + * + * 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, sublicense, + * 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 above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +/** + * @file intel_bufmgr.h + * + * Public definitions of Intel-specific bufmgr functions. + */ + +#ifndef INTEL_BUFMGR_GEM_H +#define INTEL_BUFMGR_GEM_H + +#include "dri_bufmgr.h" + +/** + * Intel-specific bufmgr bits that follow immediately after the + * generic bufmgr structure. + */ +struct intel_bufmgr { + /** + * Add relocation entry in reloc_buf, which will be updated with the + * target buffer's real offset on on command submission. + * + * Relocations remain in place for the lifetime of the buffer object. + * + * \param reloc_buf Buffer to write the relocation into. + * \param read_domains GEM read domains which the buffer will be read into + * by the command that this relocation is part of. + * \param write_domains GEM read domains which the buffer will be dirtied + * in by the command that this relocation is part of. + * \param delta Constant value to be added to the relocation target's + * offset. + * \param offset Byte offset within batch_buf of the relocated pointer. + * \param target Buffer whose offset should be written into the relocation + * entry. + */ + int (*emit_reloc)(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target); +}; + +/* intel_bufmgr_gem.c */ +dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size); +dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name, + unsigned int handle); +void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr); + +/* intel_bufmgr_fake.c */ +dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual, + unsigned long size, + unsigned int (*fence_emit)(void *private), + int (*fence_wait)(void *private, + unsigned int cookie), + void *driver_priv); +dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name, + unsigned long offset, unsigned long size, + void *virtual); + +void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr); +void intel_bo_fake_disable_backing_store(dri_bo *bo, + void (*invalidate_cb)(dri_bo *bo, + void *ptr), + void *ptr); +void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr); + +int intel_bo_emit_reloc(dri_bo *reloc_buf, + uint32_t read_domains, uint32_t write_domain, + uint32_t delta, uint32_t offset, dri_bo *target_buf); + +#endif /* INTEL_BUFMGR_GEM_H */ + |