| /************************************************************************** |
| * |
| * 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 |
| |