geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Move intel libdrm stuff to libdrm_intel.so 

dri_bufmgr.h is replaced by intel_bufmgr.h, and several functions are renamed,
though the structures and many functions remain dri_bufmgr_* and dri_bo_*
main
Eric Anholt 2008-09-05 10:35:32 +01:00
parent 09cf0f0213
commit 738e36acbc
8 changed files with 327 additions and 324 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libdrm/Makefile.am
View File

@ -25,11 +25,10 @@ libdrm_ladir = $(libdir)
libdrm_la_LDFLAGS = -version-number 2:3:0 -no-undefined
AM_CFLAGS = -I$(top_srcdir)/shared-core
libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c \
dri_bufmgr.c libdrm_lists.h
libdrm_la_LIBADD = intel/libdrm_intel.la
libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c
libdrm_lists.h
libdrmincludedir = ${includedir}
libdrminclude_HEADERS = xf86drm.h dri_bufmgr.h
libdrminclude_HEADERS = xf86drm.h
EXTRA_DIST = ChangeLog TODO

174
libdrm/dri_bufmgr.h
View File

@ -1,174 +0,0 @@
/**************************************************************************
*
* Copyright © 2007 Intel Corporation
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* 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: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
* Keith Whitwell <keithw-at-tungstengraphics-dot-com>
* Eric Anholt <eric@anholt.net>
*/
#ifndef _DRI_BUFMGR_H_
#define _DRI_BUFMGR_H_
#include <xf86drm.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;
};
/**
* Context for a buffer manager instance.
*
* Contains public methods followed by private storage for the buffer manager.
*/
struct _dri_bufmgr {
/**
* Allocate a buffer object.
*
* Buffer objects are not necessarily initially mapped into CPU virtual
* address space or graphics device aperture. They must be mapped using
* bo_map() to be used by the CPU, and validated for use using bo_validate()
* to be used from the graphics device.
*/
dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name,
unsigned long size, unsigned int alignment);
/** Takes a reference on a buffer object */
void (*bo_reference)(dri_bo *bo);
/**
* Releases a reference on a buffer object, freeing the data if
* rerefences remain.
*/
void (*bo_unreference)(dri_bo *bo);
/**
* Maps the buffer into userspace.
*
* This function will block waiting for any existing execution on the
* buffer to complete, first. The resulting mapping is available at
* buf->virtual.
*/
int (*bo_map)(dri_bo *buf, int write_enable);
/** Reduces the refcount on the userspace mapping of the buffer object. */
int (*bo_unmap)(dri_bo *buf);
/**
* Write data into an object.
*
* This is an optional function, if missing,
* dri_bo will map/memcpy/unmap.
*/
int (*bo_subdata) (dri_bo *buf, unsigned long offset,
unsigned long size, const void *data);
/**
* Read data from an object
*
* This is an optional function, if missing,
* dri_bo will map/memcpy/unmap.
*/
int (*bo_get_subdata) (dri_bo *bo, unsigned long offset,
unsigned long size, void *data);
/**
* Waits for rendering to an object by the GPU to have completed.
*
* This is not required for any access to the BO by bo_map, bo_subdata, etc.
* It is merely a way for the driver to implement glFinish.
*/
void (*bo_wait_rendering) (dri_bo *bo);
/**
* Tears down the buffer manager instance.
*/
void (*destroy)(dri_bufmgr *bufmgr);
/**
* Processes the relocations, either in userland or by converting the list
* for use in batchbuffer submission.
*
* Kernel-based implementations will return a pointer to the arguments
* to be handed with batchbuffer submission to the kernel. The userland
* implementation performs the buffer validation and emits relocations
* into them the appopriate order.
*
* \param batch_buf buffer at the root of the tree of relocations
* \return argument to be completed and passed to the execbuffers ioctl
* (if any).
*/
void *(*process_relocs)(dri_bo *batch_buf);
void (*post_submit)(dri_bo *batch_buf);
int (*check_aperture_space)(dri_bo **bo_array, int count);
int debug; /**< Enables verbose debugging printouts */
};
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);
void *dri_process_relocs(dri_bo *batch_buf);
void dri_post_process_relocs(dri_bo *batch_buf);
void dri_post_submit(dri_bo *batch_buf);
int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count);
#endif

7
libdrm/intel/Makefile.am
View File

@ -25,11 +25,16 @@
AM_CFLAGS = \
$(WARN_CFLAGS) \
-I$(top_srcdir)/libdrm \
-I$(top_srcdir)/libdrm/intel \
-I$(top_srcdir)/shared-core
noinst_LTLIBRARIES = libdrm_intel.la
libdrm_intel_la_LTLIBRARIES = libdrm_intel.la
libdrm_intel_ladir = $(libdir)
libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined
libdrm_intel_la_SOURCES = \
intel_bufmgr.c \
intel_bufmgr_priv.h \
intel_bufmgr_fake.c \
intel_bufmgr_gem.c \
mm.c \

53
libdrm/dri_bufmgr.c → libdrm/intel/intel_bufmgr.c
View File

@ -27,8 +27,13 @@
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include "dri_bufmgr.h"
#include <errno.h>
#include <drm.h>
#include <i915_drm.h>
#include "intel_bufmgr.h"
#include "intel_bufmgr_priv.h"
/** @file dri_bufmgr.c
*
@ -139,3 +144,49 @@ dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count)
{
return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
}
int
dri_bo_flink(dri_bo *bo, uint32_t *name)
{
if (bo->bufmgr->bo_flink)
return bo->bufmgr->bo_flink(bo, name);
return -ENODEV;
}
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)
{
return reloc_buf->bufmgr->bo_emit_reloc(reloc_buf,
read_domains, write_domain,
delta, offset, target_buf);
}
int
dri_bo_pin(dri_bo *bo, uint32_t alignment)
{
if (bo->bufmgr->bo_pin)
return bo->bufmgr->bo_pin(bo, alignment);
return -ENODEV;
}
int
dri_bo_unpin(dri_bo *bo)
{
if (bo->bufmgr->bo_unpin)
return bo->bufmgr->bo_unpin(bo);
return -ENODEV;
}
int dri_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
{
if (bo->bufmgr->bo_set_tiling)
return bo->bufmgr->bo_set_tiling(bo, tiling_mode);
*tiling_mode = I915_TILING_NONE;
return 0;
}

116
libdrm/intel/intel_bufmgr.h
View File

@ -31,65 +31,65 @@
* Public definitions of Intel-specific bufmgr functions.
*/
#ifndef INTEL_BUFMGR_GEM_H
#define INTEL_BUFMGR_GEM_H
#ifndef INTEL_BUFMGR_H
#define INTEL_BUFMGR_H
#include "dri_bufmgr.h"
#include <stdint.h>
typedef struct _dri_bufmgr dri_bufmgr;
typedef struct _dri_bo dri_bo;
struct _dri_bo {
/**
* Intel-specific bufmgr bits that follow immediately after the
* generic bufmgr structure.
* 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.
*/
struct intel_bufmgr {
unsigned long size;
/**
* 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.
* Card virtual address (offset from the beginning of the aperture) for the
* object. Only valid while validated.
*/
int (*emit_reloc)(dri_bo *reloc_buf,
uint32_t read_domains, uint32_t write_domain,
uint32_t delta, uint32_t offset, dri_bo *target);
unsigned long offset;
/**
* Pin a buffer to the aperture and fix the offset until unpinned
*
* \param buf Buffer to pin
* \param alignment Required alignment for aperture, in bytes
* Virtual address for accessing the buffer data. Only valid while mapped.
*/
int (*pin) (dri_bo *buf, uint32_t alignment);
/**
* Unpin a buffer from the aperture, allowing it to be removed
*
* \param buf Buffer to unpin
*/
int (*unpin) (dri_bo *buf);
/**
* Ask that the buffer be placed in tiling mode
*
* \param buf Buffer to set tiling mode for
* \param tiling_mode desired, and returned tiling mode
*/
int (*set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
/**
* Create a visible name for a buffer which can be used by other apps
*
* \param buf Buffer to create a name for
* \param name Returned name
*/
int (*flink) (dri_bo *buf, uint32_t *name);
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);
void *dri_process_relocs(dri_bo *batch_buf);
void dri_post_process_relocs(dri_bo *batch_buf);
void dri_post_submit(dri_bo *batch_buf);
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,
@ -106,25 +106,13 @@ dri_bufmgr *intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
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_contended_lock_take(dri_bufmgr *bufmgr);
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);
int intel_bo_pin(dri_bo *buf, uint32_t alignment);
int intel_bo_unpin(dri_bo *buf);
int intel_bo_set_tiling(dri_bo *buf, uint32_t *tiling_mode);
int intel_bo_flink(dri_bo *buf, uint32_t *name);
#endif /* INTEL_BUFMGR_GEM_H */
#endif /* INTEL_BUFMGR_H */

6
libdrm/intel/intel_bufmgr_fake.c
View File

@ -37,8 +37,9 @@
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "dri_bufmgr.h"
#include <xf86drm.h>
#include "intel_bufmgr.h"
#include "intel_bufmgr_priv.h"
#include "drm.h"
#include "i915_drm.h"
#include "mm.h"
@ -105,7 +106,6 @@ struct block {
typedef struct _bufmgr_fake {
dri_bufmgr bufmgr;
struct intel_bufmgr intel_bufmgr;
unsigned long low_offset;
unsigned long size;
@ -1216,12 +1216,12 @@ intel_bufmgr_fake_init(unsigned long low_offset, void *low_virtual,
bufmgr_fake->bufmgr.bo_map = dri_fake_bo_map;
bufmgr_fake->bufmgr.bo_unmap = dri_fake_bo_unmap;
bufmgr_fake->bufmgr.bo_wait_rendering = dri_fake_bo_wait_rendering;
bufmgr_fake->bufmgr.bo_emit_reloc = dri_fake_emit_reloc;
bufmgr_fake->bufmgr.destroy = dri_fake_destroy;
bufmgr_fake->bufmgr.process_relocs = dri_fake_process_relocs;
bufmgr_fake->bufmgr.post_submit = dri_fake_post_submit;
bufmgr_fake->bufmgr.check_aperture_space = dri_fake_check_aperture_space;
bufmgr_fake->bufmgr.debug = 0;
bufmgr_fake->intel_bufmgr.emit_reloc = dri_fake_emit_reloc;
bufmgr_fake->fence_emit = fence_emit;
bufmgr_fake->fence_wait = fence_wait;

88
libdrm/intel/intel_bufmgr_gem.c
View File

@ -44,8 +44,8 @@
#include <sys/mman.h>
#include "errno.h"
#include "dri_bufmgr.h"
#include "intel_bufmgr.h"
#include "intel_bufmgr_priv.h"
#include "string.h"
#include "i915_drm.h"
@ -76,8 +76,6 @@ struct dri_gem_bo_bucket {
typedef struct _dri_bufmgr_gem {
dri_bufmgr bufmgr;
struct intel_bufmgr intel_bufmgr;
int fd;
int max_relocs;
@ -650,7 +648,7 @@ dri_bufmgr_gem_destroy(dri_bufmgr *bufmgr)
* last known offset in target_bo.
*/
static int
dri_gem_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
dri_gem_bo_emit_reloc(dri_bo *bo, uint32_t read_domains, uint32_t write_domain,
uint32_t delta, uint32_t offset, dri_bo *target_bo)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
@ -775,7 +773,7 @@ dri_gem_post_submit(dri_bo *batch_buf)
}
static int
dri_gem_pin(dri_bo *bo, uint32_t alignment)
dri_gem_bo_pin(dri_bo *bo, uint32_t alignment)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@ -794,7 +792,7 @@ dri_gem_pin(dri_bo *bo, uint32_t alignment)
}
static int
dri_gem_unpin(dri_bo *bo)
dri_gem_bo_unpin(dri_bo *bo)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@ -811,7 +809,7 @@ dri_gem_unpin(dri_bo *bo)
}
static int
dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
dri_gem_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@ -832,7 +830,7 @@ dri_gem_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
}
static int
dri_gem_flink(dri_bo *bo, uint32_t *name)
dri_gem_bo_flink(dri_bo *bo, uint32_t *name)
{
dri_bufmgr_gem *bufmgr_gem = (dri_bufmgr_gem *)bo->bufmgr;
dri_bo_gem *bo_gem = (dri_bo_gem *)bo;
@ -910,16 +908,16 @@ intel_bufmgr_gem_init(int fd, int batch_size)
bufmgr_gem->bufmgr.bo_subdata = dri_gem_bo_subdata;
bufmgr_gem->bufmgr.bo_get_subdata = dri_gem_bo_get_subdata;
bufmgr_gem->bufmgr.bo_wait_rendering = dri_gem_bo_wait_rendering;
bufmgr_gem->bufmgr.bo_emit_reloc = dri_gem_bo_emit_reloc;
bufmgr_gem->bufmgr.bo_pin = dri_gem_bo_pin;
bufmgr_gem->bufmgr.bo_unpin = dri_gem_bo_unpin;
bufmgr_gem->bufmgr.bo_set_tiling = dri_gem_bo_set_tiling;
bufmgr_gem->bufmgr.bo_flink = dri_gem_bo_flink;
bufmgr_gem->bufmgr.destroy = dri_bufmgr_gem_destroy;
bufmgr_gem->bufmgr.process_relocs = dri_gem_process_reloc;
bufmgr_gem->bufmgr.post_submit = dri_gem_post_submit;
bufmgr_gem->bufmgr.debug = 0;
bufmgr_gem->bufmgr.check_aperture_space = dri_gem_check_aperture_space;
bufmgr_gem->intel_bufmgr.emit_reloc = dri_gem_emit_reloc;
bufmgr_gem->intel_bufmgr.pin = dri_gem_pin;
bufmgr_gem->intel_bufmgr.unpin = dri_gem_unpin;
bufmgr_gem->intel_bufmgr.set_tiling = dri_gem_set_tiling;
bufmgr_gem->intel_bufmgr.flink = dri_gem_flink;
/* Initialize the linked lists for BO reuse cache. */
for (i = 0; i < INTEL_GEM_BO_BUCKETS; i++)
bufmgr_gem->cache_bucket[i].tail = &bufmgr_gem->cache_bucket[i].head;
@ -927,67 +925,3 @@ intel_bufmgr_gem_init(int fd, int batch_size)
return &bufmgr_gem->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)
{
struct intel_bufmgr *intel_bufmgr;
intel_bufmgr = (struct intel_bufmgr *)(reloc_buf->bufmgr + 1);
return intel_bufmgr->emit_reloc(reloc_buf, read_domains, write_domain,
delta, offset, target_buf);
}
int
intel_bo_pin(dri_bo *bo, uint32_t alignment)
{
struct intel_bufmgr *intel_bufmgr;
intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
if (intel_bufmgr->pin)
return intel_bufmgr->pin(bo, alignment);
return 0;
}
int
intel_bo_unpin(dri_bo *bo)
{
struct intel_bufmgr *intel_bufmgr;
intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
if (intel_bufmgr->unpin)
return intel_bufmgr->unpin(bo);
return 0;
}
int intel_bo_set_tiling(dri_bo *bo, uint32_t *tiling_mode)
{
struct intel_bufmgr *intel_bufmgr;
intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
if (intel_bufmgr->set_tiling)
return intel_bufmgr->set_tiling (bo, tiling_mode);
*tiling_mode = I915_TILING_NONE;
return 0;
}
int intel_bo_flink(dri_bo *bo, uint32_t *name)
{
struct intel_bufmgr *intel_bufmgr;
intel_bufmgr = (struct intel_bufmgr *)(bo->bufmgr + 1);
if (intel_bufmgr->flink)
return intel_bufmgr->flink (bo, name);
return -ENODEV;
}

200
libdrm/intel/intel_bufmgr_priv.h Normal file
View File

@ -0,0 +1,200 @@
/*
* 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_priv.h
*
* Private definitions of Intel-specific bufmgr functions and structures.
*/
#ifndef INTEL_BUFMGR_PRIV_H
#define INTEL_BUFMGR_PRIV_H
/**
* Context for a buffer manager instance.
*
* Contains public methods followed by private storage for the buffer manager.
*/
struct _dri_bufmgr {
/**
* Allocate a buffer object.
*
* Buffer objects are not necessarily initially mapped into CPU virtual
* address space or graphics device aperture. They must be mapped using
* bo_map() to be used by the CPU, and validated for use using bo_validate()
* to be used from the graphics device.
*/
dri_bo *(*bo_alloc)(dri_bufmgr *bufmgr_ctx, const char *name,
unsigned long size, unsigned int alignment);
/** Takes a reference on a buffer object */
void (*bo_reference)(dri_bo *bo);
/**
* Releases a reference on a buffer object, freeing the data if
* rerefences remain.
*/
void (*bo_unreference)(dri_bo *bo);
/**
* Maps the buffer into userspace.
*
* This function will block waiting for any existing execution on the
* buffer to complete, first. The resulting mapping is available at
* buf->virtual.
*/
int (*bo_map)(dri_bo *buf, int write_enable);
/** Reduces the refcount on the userspace mapping of the buffer object. */
int (*bo_unmap)(dri_bo *buf);
/**
* Write data into an object.
*
* This is an optional function, if missing,
* dri_bo will map/memcpy/unmap.
*/
int (*bo_subdata) (dri_bo *buf, unsigned long offset,
unsigned long size, const void *data);
/**
* Read data from an object
*
* This is an optional function, if missing,
* dri_bo will map/memcpy/unmap.
*/
int (*bo_get_subdata) (dri_bo *bo, unsigned long offset,
unsigned long size, void *data);
/**
* Waits for rendering to an object by the GPU to have completed.
*
* This is not required for any access to the BO by bo_map, bo_subdata, etc.
* It is merely a way for the driver to implement glFinish.
*/
void (*bo_wait_rendering) (dri_bo *bo);
/**
* Tears down the buffer manager instance.
*/
void (*destroy)(dri_bufmgr *bufmgr);
/**
* Processes the relocations, either in userland or by converting the list
* for use in batchbuffer submission.
*
* Kernel-based implementations will return a pointer to the arguments
* to be handed with batchbuffer submission to the kernel. The userland
* implementation performs the buffer validation and emits relocations
* into them the appopriate order.
*
* \param batch_buf buffer at the root of the tree of relocations
* \return argument to be completed and passed to the execbuffers ioctl
* (if any).
*/
void *(*process_relocs)(dri_bo *batch_buf);
void (*post_submit)(dri_bo *batch_buf);
/**
* 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 (*bo_emit_reloc)(dri_bo *reloc_buf,
uint32_t read_domains, uint32_t write_domain,
uint32_t delta, uint32_t offset, dri_bo *target);
/**
* Pin a buffer to the aperture and fix the offset until unpinned
*
* \param buf Buffer to pin
* \param alignment Required alignment for aperture, in bytes
*/
int (*bo_pin) (dri_bo *buf, uint32_t alignment);
/**
* Unpin a buffer from the aperture, allowing it to be removed
*
* \param buf Buffer to unpin
*/
int (*bo_unpin) (dri_bo *buf);
/**
* Ask that the buffer be placed in tiling mode
*
* \param buf Buffer to set tiling mode for
* \param tiling_mode desired, and returned tiling mode
*/
int (*bo_set_tiling) (dri_bo *bo, uint32_t *tiling_mode);
/**
* Create a visible name for a buffer which can be used by other apps
*
* \param buf Buffer to create a name for
* \param name Returned name
*/
int (*bo_flink) (dri_bo *buf, uint32_t *name);
int (*check_aperture_space)(dri_bo **bo_array, int count);
int debug; /**< Enables verbose debugging printouts */
};
/* 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);
#endif /* INTEL_BUFMGR_PRIV_H */