78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Helper utility for uploading user buffers & other data, and
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* coalescing small buffers into larger ones.
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*/
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#ifndef U_UPLOAD_MGR_H
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#define U_UPLOAD_MGR_H
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#include "pipe/p_defines.h"
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struct pipe_screen;
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struct pipe_resource;
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struct u_upload_mgr;
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struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
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unsigned default_size,
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unsigned alignment,
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unsigned usage );
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void u_upload_destroy( struct u_upload_mgr *upload );
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/* Unmap and release old buffer.
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*
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* This must usually be called prior to firing the command stream
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* which references the upload buffer, as many memory managers either
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* don't like firing a mapped buffer or cause subsequent maps of a
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* fired buffer to wait. For now, it's easiest just to grab a new
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* buffer.
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*/
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void u_upload_flush( struct u_upload_mgr *upload );
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enum pipe_error u_upload_data( struct u_upload_mgr *upload,
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unsigned size,
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const void *data,
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unsigned *out_offset,
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struct pipe_resource **outbuf );
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enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
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unsigned offset,
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unsigned size,
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struct pipe_resource *inbuf,
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unsigned *out_offset,
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struct pipe_resource **outbuf );
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#endif
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