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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, TX., 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>
*/
#include <xf86drm.h>
#include <stdlib.h>
#include <errno.h>
#include "imports.h"
#include "glthread.h"
#include "ws_dri_bufpool.h"
#include "ws_dri_bufmgr.h"
#include "intel_screen.h"
static void *
pool_create(struct _DriBufferPool *pool,
unsigned long size, uint64_t flags, unsigned hint,
unsigned alignment)
{
unsigned long *private = malloc(size + 2*sizeof(unsigned long));
if ((flags & DRM_BO_MASK_MEM) != DRM_BO_FLAG_MEM_LOCAL)
abort();
*private = size;
return (void *)private;
}
static int
pool_destroy(struct _DriBufferPool *pool, void *private)
{
free(private);
return 0;
}
static int
pool_waitIdle(struct _DriBufferPool *pool, void *private,
_glthread_Mutex *mutex, int lazy)
{
return 0;
}
static int
pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
int hint, _glthread_Mutex *mutex, void **virtual)
{
*virtual = (void *)((unsigned long *)private + 2);
return 0;
}
static int
pool_unmap(struct _DriBufferPool *pool, void *private)
{
return 0;
}
static unsigned long
pool_offset(struct _DriBufferPool *pool, void *private)
{
/*
* BUG
*/
abort();
return 0UL;
}
static unsigned long
pool_poolOffset(struct _DriBufferPool *pool, void *private)
{
/*
* BUG
*/
abort();
}
static uint64_t
pool_flags(struct _DriBufferPool *pool, void *private)
{
return DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED;
}
static unsigned long
pool_size(struct _DriBufferPool *pool, void *private)
{
return *(unsigned long *) private;
}
static int
pool_fence(struct _DriBufferPool *pool, void *private,
struct _DriFenceObject *fence)
{
abort();
return 0UL;
}
static drmBO *
pool_kernel(struct _DriBufferPool *pool, void *private)
{
abort();
return NULL;
}
static void
pool_takedown(struct _DriBufferPool *pool)
{
free(pool);
}
struct _DriBufferPool *
driMallocPoolInit(void)
{
struct _DriBufferPool *pool;
pool = (struct _DriBufferPool *) malloc(sizeof(*pool));
if (!pool)
return NULL;
pool->data = NULL;
pool->fd = -1;
pool->map = &pool_map;
pool->unmap = &pool_unmap;
pool->destroy = &pool_destroy;
pool->offset = &pool_offset;
pool->poolOffset = &pool_poolOffset;
pool->flags = &pool_flags;
pool->size = &pool_size;
pool->create = &pool_create;
pool->fence = &pool_fence;
pool->kernel = &pool_kernel;
pool->validate = NULL;
pool->waitIdle = &pool_waitIdle;
pool->takeDown = &pool_takedown;
return pool;
}
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