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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * Copyright 2016 Axel Davy <axel.davy (at) ens.fr>
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial portions
     17  * of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  **************************************************************************/
     28 
     29 #ifndef _NINE_BUFFER_UPLOAD_H_
     30 #define _NINE_BUFFER_UPLOAD_H_
     31 
     32 #include "pipe/p_defines.h"
     33 
     34 struct nine_buffer_upload;
     35 struct nine_subbuffer;
     36 
     37 struct nine_buffer_upload *
     38 nine_upload_create(struct pipe_context *pipe, unsigned buffers_size,
     39                    unsigned num_buffers);
     40 
     41 void
     42 nine_upload_destroy(struct nine_buffer_upload *upload);
     43 
     44 struct nine_subbuffer *
     45 nine_upload_create_buffer(struct nine_buffer_upload *upload,
     46                           unsigned buffer_size);
     47 
     48 void
     49 nine_upload_release_buffer(struct nine_buffer_upload *upload,
     50                            struct nine_subbuffer *buf);
     51 
     52 uint8_t *
     53 nine_upload_buffer_get_map(struct nine_subbuffer *buf);
     54 
     55 struct pipe_resource *
     56 nine_upload_buffer_resource_and_offset(struct nine_subbuffer *buf,
     57                                        unsigned *offset);
     58 
     59 #endif /* _NINE_BUFFER_UPLOAD_H_ */
     60