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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* 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 VMWARE 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.
*
**************************************************************************/
/* Helper utility for uploading user buffers & other data, and
* coalescing small buffers into larger ones.
*/
#ifndef U_UPLOAD_MGR_H
#define U_UPLOAD_MGR_H
struct pipe_screen;
struct pipe_buffer;
struct u_upload_mgr;
struct u_upload_mgr *u_upload_create( struct pipe_screen *screen,
unsigned default_size,
unsigned alignment,
unsigned usage );
void u_upload_destroy( struct u_upload_mgr *upload );
/* Unmap and release old buffer.
*
* This must usually be called prior to firing the command stream
* which references the upload buffer, as many memory managers either
* don't like firing a mapped buffer or cause subsequent maps of a
* fired buffer to wait. For now, it's easiest just to grab a new
* buffer.
*/
void u_upload_flush( struct u_upload_mgr *upload );
enum pipe_error u_upload_data( struct u_upload_mgr *upload,
unsigned size,
const void *data,
unsigned *out_offset,
struct pipe_buffer **outbuf );
enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
unsigned offset,
unsigned size,
struct pipe_buffer *inbuf,
unsigned *out_offset,
struct pipe_buffer **outbuf );
#endif
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