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      1 /**********************************************************
      2  * Copyright 2009-2015 VMware, Inc.  All rights reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person
      5  * obtaining a copy of this software and associated documentation
      6  * files (the "Software"), to deal in the Software without
      7  * restriction, including without limitation the rights to use, copy,
      8  * modify, merge, publish, distribute, sublicense, and/or sell copies
      9  * of the Software, and to permit persons to whom the Software is
     10  * furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be
     13  * included in all copies or substantial portions of the Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     22  * SOFTWARE.
     23  *
     24  **********************************************************/
     25 
     26 
     27 #ifndef VMW_BUFFER_H_
     28 #define VMW_BUFFER_H_
     29 
     30 #include <assert.h>
     31 #include "pipe/p_compiler.h"
     32 #include "pipebuffer/pb_bufmgr.h"
     33 #include "util/u_debug_flush.h"
     34 
     35 
     36 #define VMW_BUFFER_USAGE_SHARED    (1 << 20)
     37 #define VMW_BUFFER_USAGE_SYNC      (1 << 21)
     38 
     39 struct SVGAGuestPtr;
     40 struct pb_buffer;
     41 struct pb_manager;
     42 struct svga_winsys_buffer;
     43 struct svga_winsys_surface;
     44 struct vmw_winsys_screen;
     45 
     46 struct vmw_buffer_desc {
     47    struct pb_desc pb_desc;
     48    struct vmw_region *region;
     49 };
     50 
     51 
     52 #ifdef DEBUG
     53 
     54 struct pb_buffer *
     55 vmw_pb_buffer(struct svga_winsys_buffer *buffer);
     56 struct svga_winsys_buffer *
     57 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer);
     58 struct debug_flush_buf *
     59 vmw_debug_flush_buf(struct svga_winsys_buffer *buffer);
     60 
     61 #else
     62 static inline struct pb_buffer *
     63 vmw_pb_buffer(struct svga_winsys_buffer *buffer)
     64 {
     65    assert(buffer);
     66    return (struct pb_buffer *)buffer;
     67 }
     68 
     69 
     70 static inline struct svga_winsys_buffer *
     71 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer)
     72 {
     73    return (struct svga_winsys_buffer *)buffer;
     74 }
     75 #endif
     76 
     77 void
     78 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
     79                                struct svga_winsys_buffer *buf);
     80 void *
     81 vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
     82                            struct svga_winsys_buffer *buf,
     83                            unsigned flags);
     84 
     85 void
     86 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
     87                              struct svga_winsys_buffer *buf);
     88 
     89 struct pb_manager *
     90 vmw_gmr_bufmgr_create(struct vmw_winsys_screen *vws);
     91 
     92 boolean
     93 vmw_gmr_bufmgr_region_ptr(struct pb_buffer *buf,
     94                           struct SVGAGuestPtr *ptr);
     95 
     96 
     97 #endif /* VMW_BUFFER_H_ */
     98