95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
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/*
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* Copyright © 2008 Intel Corporation
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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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 NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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/**
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* @file intel_bufmgr.h
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*
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* Public definitions of Intel-specific bufmgr functions.
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*/
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#ifndef INTEL_BUFMGR_GEM_H
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#define INTEL_BUFMGR_GEM_H
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#include "dri_bufmgr.h"
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/**
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* Intel-specific bufmgr bits that follow immediately after the
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* generic bufmgr structure.
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*/
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struct intel_bufmgr {
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/**
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* Add relocation entry in reloc_buf, which will be updated with the
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* target buffer's real offset on on command submission.
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*
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* Relocations remain in place for the lifetime of the buffer object.
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*
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* \param reloc_buf Buffer to write the relocation into.
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* \param read_domains GEM read domains which the buffer will be read into
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* by the command that this relocation is part of.
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* \param write_domains GEM read domains which the buffer will be dirtied
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* in by the command that this relocation is part of.
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* \param delta Constant value to be added to the relocation target's
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* offset.
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* \param offset Byte offset within batch_buf of the relocated pointer.
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* \param target Buffer whose offset should be written into the relocation
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* entry.
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*/
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int (*emit_reloc)(dri_bo *reloc_buf,
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uint32_t read_domains, uint32_t write_domain,
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uint32_t delta, uint32_t offset, dri_bo *target);
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};
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/* intel_bufmgr_gem.c */
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dri_bufmgr *intel_bufmgr_gem_init(int fd, int batch_size);
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dri_bo *intel_bo_gem_create_from_name(dri_bufmgr *bufmgr, const char *name,
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unsigned int handle);
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void intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr);
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/* intel_bufmgr_fake.c */
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dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
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unsigned long size,
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unsigned int (*fence_emit)(void *private),
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int (*fence_wait)(void *private,
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unsigned int cookie),
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void *driver_priv);
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dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
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unsigned long offset, unsigned long size,
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void *virtual);
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void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
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void intel_bo_fake_disable_backing_store(dri_bo *bo,
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void (*invalidate_cb)(dri_bo *bo,
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void *ptr),
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void *ptr);
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int intel_bo_emit_reloc(dri_bo *reloc_buf,
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uint32_t read_domains, uint32_t write_domain,
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uint32_t delta, uint32_t offset, dri_bo *target_buf);
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#endif /* INTEL_BUFMGR_GEM_H */
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