forked from KolibriOS/kolibrios
321 lines
7.3 KiB
C
321 lines
7.3 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
|
|
* 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 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 NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
|
|
*
|
|
**************************************************************************/
|
|
|
|
/**
|
|
* \file
|
|
* Buffer manager using the old texture memory manager.
|
|
*
|
|
* \author Jose Fonseca <jrfonseca@tungstengraphics.com>
|
|
*/
|
|
|
|
|
|
#include "pipe/p_defines.h"
|
|
#include "util/u_debug.h"
|
|
#include "os/os_thread.h"
|
|
#include "util/u_memory.h"
|
|
#include "util/u_double_list.h"
|
|
#include "util/u_mm.h"
|
|
#include "pb_buffer.h"
|
|
#include "pb_bufmgr.h"
|
|
|
|
|
|
/**
|
|
* Convenience macro (type safe).
|
|
*/
|
|
#define SUPER(__derived) (&(__derived)->base)
|
|
|
|
|
|
struct mm_pb_manager
|
|
{
|
|
struct pb_manager base;
|
|
|
|
pipe_mutex mutex;
|
|
|
|
pb_size size;
|
|
struct mem_block *heap;
|
|
|
|
pb_size align2;
|
|
|
|
struct pb_buffer *buffer;
|
|
void *map;
|
|
};
|
|
|
|
|
|
static INLINE struct mm_pb_manager *
|
|
mm_pb_manager(struct pb_manager *mgr)
|
|
{
|
|
assert(mgr);
|
|
return (struct mm_pb_manager *)mgr;
|
|
}
|
|
|
|
|
|
struct mm_buffer
|
|
{
|
|
struct pb_buffer base;
|
|
|
|
struct mm_pb_manager *mgr;
|
|
|
|
struct mem_block *block;
|
|
};
|
|
|
|
|
|
static INLINE struct mm_buffer *
|
|
mm_buffer(struct pb_buffer *buf)
|
|
{
|
|
assert(buf);
|
|
return (struct mm_buffer *)buf;
|
|
}
|
|
|
|
|
|
static void
|
|
mm_buffer_destroy(struct pb_buffer *buf)
|
|
{
|
|
struct mm_buffer *mm_buf = mm_buffer(buf);
|
|
struct mm_pb_manager *mm = mm_buf->mgr;
|
|
|
|
assert(!pipe_is_referenced(&mm_buf->base.reference));
|
|
|
|
pipe_mutex_lock(mm->mutex);
|
|
u_mmFreeMem(mm_buf->block);
|
|
FREE(mm_buf);
|
|
pipe_mutex_unlock(mm->mutex);
|
|
}
|
|
|
|
|
|
static void *
|
|
mm_buffer_map(struct pb_buffer *buf,
|
|
unsigned flags,
|
|
void *flush_ctx)
|
|
{
|
|
struct mm_buffer *mm_buf = mm_buffer(buf);
|
|
struct mm_pb_manager *mm = mm_buf->mgr;
|
|
|
|
/* XXX: it will be necessary to remap here to propagate flush_ctx */
|
|
|
|
return (unsigned char *) mm->map + mm_buf->block->ofs;
|
|
}
|
|
|
|
|
|
static void
|
|
mm_buffer_unmap(struct pb_buffer *buf)
|
|
{
|
|
/* No-op */
|
|
}
|
|
|
|
|
|
static enum pipe_error
|
|
mm_buffer_validate(struct pb_buffer *buf,
|
|
struct pb_validate *vl,
|
|
unsigned flags)
|
|
{
|
|
struct mm_buffer *mm_buf = mm_buffer(buf);
|
|
struct mm_pb_manager *mm = mm_buf->mgr;
|
|
return pb_validate(mm->buffer, vl, flags);
|
|
}
|
|
|
|
|
|
static void
|
|
mm_buffer_fence(struct pb_buffer *buf,
|
|
struct pipe_fence_handle *fence)
|
|
{
|
|
struct mm_buffer *mm_buf = mm_buffer(buf);
|
|
struct mm_pb_manager *mm = mm_buf->mgr;
|
|
pb_fence(mm->buffer, fence);
|
|
}
|
|
|
|
|
|
static void
|
|
mm_buffer_get_base_buffer(struct pb_buffer *buf,
|
|
struct pb_buffer **base_buf,
|
|
pb_size *offset)
|
|
{
|
|
struct mm_buffer *mm_buf = mm_buffer(buf);
|
|
struct mm_pb_manager *mm = mm_buf->mgr;
|
|
pb_get_base_buffer(mm->buffer, base_buf, offset);
|
|
*offset += mm_buf->block->ofs;
|
|
}
|
|
|
|
|
|
static const struct pb_vtbl
|
|
mm_buffer_vtbl = {
|
|
mm_buffer_destroy,
|
|
mm_buffer_map,
|
|
mm_buffer_unmap,
|
|
mm_buffer_validate,
|
|
mm_buffer_fence,
|
|
mm_buffer_get_base_buffer
|
|
};
|
|
|
|
|
|
static struct pb_buffer *
|
|
mm_bufmgr_create_buffer(struct pb_manager *mgr,
|
|
pb_size size,
|
|
const struct pb_desc *desc)
|
|
{
|
|
struct mm_pb_manager *mm = mm_pb_manager(mgr);
|
|
struct mm_buffer *mm_buf;
|
|
|
|
/* We don't handle alignments larger then the one initially setup */
|
|
assert(pb_check_alignment(desc->alignment, (pb_size)1 << mm->align2));
|
|
if(!pb_check_alignment(desc->alignment, (pb_size)1 << mm->align2))
|
|
return NULL;
|
|
|
|
pipe_mutex_lock(mm->mutex);
|
|
|
|
mm_buf = CALLOC_STRUCT(mm_buffer);
|
|
if (!mm_buf) {
|
|
pipe_mutex_unlock(mm->mutex);
|
|
return NULL;
|
|
}
|
|
|
|
pipe_reference_init(&mm_buf->base.reference, 1);
|
|
mm_buf->base.alignment = desc->alignment;
|
|
mm_buf->base.usage = desc->usage;
|
|
mm_buf->base.size = size;
|
|
|
|
mm_buf->base.vtbl = &mm_buffer_vtbl;
|
|
|
|
mm_buf->mgr = mm;
|
|
|
|
mm_buf->block = u_mmAllocMem(mm->heap, (int)size, (int)mm->align2, 0);
|
|
if(!mm_buf->block) {
|
|
#if 0
|
|
debug_printf("warning: heap full\n");
|
|
mmDumpMemInfo(mm->heap);
|
|
#endif
|
|
FREE(mm_buf);
|
|
pipe_mutex_unlock(mm->mutex);
|
|
return NULL;
|
|
}
|
|
|
|
/* Some sanity checks */
|
|
assert(0 <= (pb_size)mm_buf->block->ofs && (pb_size)mm_buf->block->ofs < mm->size);
|
|
assert(size <= (pb_size)mm_buf->block->size && (pb_size)mm_buf->block->ofs + (pb_size)mm_buf->block->size <= mm->size);
|
|
|
|
pipe_mutex_unlock(mm->mutex);
|
|
return SUPER(mm_buf);
|
|
}
|
|
|
|
|
|
static void
|
|
mm_bufmgr_flush(struct pb_manager *mgr)
|
|
{
|
|
/* No-op */
|
|
}
|
|
|
|
|
|
static void
|
|
mm_bufmgr_destroy(struct pb_manager *mgr)
|
|
{
|
|
struct mm_pb_manager *mm = mm_pb_manager(mgr);
|
|
|
|
pipe_mutex_lock(mm->mutex);
|
|
|
|
u_mmDestroy(mm->heap);
|
|
|
|
pb_unmap(mm->buffer);
|
|
pb_reference(&mm->buffer, NULL);
|
|
|
|
pipe_mutex_unlock(mm->mutex);
|
|
|
|
FREE(mgr);
|
|
}
|
|
|
|
|
|
struct pb_manager *
|
|
mm_bufmgr_create_from_buffer(struct pb_buffer *buffer,
|
|
pb_size size, pb_size align2)
|
|
{
|
|
struct mm_pb_manager *mm;
|
|
|
|
if(!buffer)
|
|
return NULL;
|
|
|
|
mm = CALLOC_STRUCT(mm_pb_manager);
|
|
if (!mm)
|
|
return NULL;
|
|
|
|
mm->base.destroy = mm_bufmgr_destroy;
|
|
mm->base.create_buffer = mm_bufmgr_create_buffer;
|
|
mm->base.flush = mm_bufmgr_flush;
|
|
|
|
mm->size = size;
|
|
mm->align2 = align2; /* 64-byte alignment */
|
|
|
|
pipe_mutex_init(mm->mutex);
|
|
|
|
mm->buffer = buffer;
|
|
|
|
mm->map = pb_map(mm->buffer,
|
|
PB_USAGE_CPU_READ |
|
|
PB_USAGE_CPU_WRITE, NULL);
|
|
if(!mm->map)
|
|
goto failure;
|
|
|
|
mm->heap = u_mmInit(0, (int)size);
|
|
if (!mm->heap)
|
|
goto failure;
|
|
|
|
return SUPER(mm);
|
|
|
|
failure:
|
|
if(mm->heap)
|
|
u_mmDestroy(mm->heap);
|
|
if(mm->map)
|
|
pb_unmap(mm->buffer);
|
|
FREE(mm);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
struct pb_manager *
|
|
mm_bufmgr_create(struct pb_manager *provider,
|
|
pb_size size, pb_size align2)
|
|
{
|
|
struct pb_buffer *buffer;
|
|
struct pb_manager *mgr;
|
|
struct pb_desc desc;
|
|
|
|
if(!provider)
|
|
return NULL;
|
|
|
|
memset(&desc, 0, sizeof(desc));
|
|
desc.alignment = 1 << align2;
|
|
|
|
buffer = provider->create_buffer(provider, size, &desc);
|
|
if (!buffer)
|
|
return NULL;
|
|
|
|
mgr = mm_bufmgr_create_from_buffer(buffer, size, align2);
|
|
if (!mgr) {
|
|
pb_reference(&buffer, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
return mgr;
|
|
}
|