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/*
* 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_H
#define INTEL_BUFMGR_H
#include <stdint.h>
typedef struct _dri_bufmgr dri_bufmgr;
typedef struct _dri_bo dri_bo;
struct _dri_bo {
/**
* Size in bytes of the buffer object.
*
* The size may be larger than the size originally requested for the
* allocation, such as being aligned to page size.
*/
unsigned long size;
/**
* Card virtual address (offset from the beginning of the aperture) for the
* object. Only valid while validated.
*/
unsigned long offset;
/**
* Virtual address for accessing the buffer data. Only valid while mapped.
*/
void *virtual;
/** Buffer manager context associated with this buffer object */
dri_bufmgr *bufmgr;
};
dri_bo *dri_bo_alloc(dri_bufmgr *bufmgr, const char *name, unsigned long size,
unsigned int alignment);
void dri_bo_reference(dri_bo *bo);
void dri_bo_unreference(dri_bo *bo);
int dri_bo_map(dri_bo *buf, int write_enable);
int dri_bo_unmap(dri_bo *buf);
int dri_bo_subdata(dri_bo *bo, unsigned long offset,
unsigned long size, const void *data);
int dri_bo_get_subdata(dri_bo *bo, unsigned long offset,
unsigned long size, void *data);
void dri_bo_wait_rendering(dri_bo *bo);
void dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug);
void dri_bufmgr_destroy(dri_bufmgr *bufmgr);
int dri_bo_exec(dri_bo *bo, int used,
drm_clip_rect_t *cliprects, int num_cliprects,
int DR4);
int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count);
int dri_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);
int dri_bo_pin(dri_bo *buf, uint32_t alignment);
int dri_bo_unpin(dri_bo *buf);
int dri_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
int dri_bo_flink(dri_bo *buf, uint32_t *name);
/* 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(int fd,
unsigned long low_offset, void *low_virtual,
unsigned long size,
volatile unsigned int *last_dispatch);
void intel_bufmgr_fake_set_last_dispatch(dri_bufmgr *bufmgr,
volatile unsigned int *last_dispatch);
void intel_bufmgr_fake_set_exec_callback(dri_bufmgr *bufmgr,
int (*exec)(dri_bo *bo,
unsigned int used,
void *priv),
void *priv);
void intel_bufmgr_fake_set_fence_callback(dri_bufmgr *bufmgr,
unsigned int (*emit)(void *priv),
void (*wait)(unsigned int fence,
void *priv),
void *priv);
dri_bo *intel_bo_fake_alloc_static(dri_bufmgr *bufmgr, const char *name,
unsigned long offset, unsigned long size,
void *virtual);
void intel_bo_fake_disable_backing_store(dri_bo *bo,
void (*invalidate_cb)(dri_bo *bo,
void *ptr),
void *ptr);
void intel_bufmgr_fake_contended_lock_take(dri_bufmgr *bufmgr);
void intel_bufmgr_fake_evict_all(dri_bufmgr *bufmgr);
#endif /* INTEL_BUFMGR_H */
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