src/gallium/winsys/svga/drm/vmw_query.h

   1 /**********************************************************
   2  * Copyright 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 #ifndef VMW_DRM_QUERY_H
  27 #define VMW_DRM_QUERY_H
  28
  29 #include "svga3d_reg.h"
  30
  31
  32
  33 /** Guest-backed query */
  34 struct svga_winsys_gb_query
  35 {
  36    struct svga_winsys_buffer *buf;
  37 };
  38
  39
  40 struct svga_winsys_gb_query *
  41 vmw_svga_winsys_query_create(struct svga_winsys_screen *sws,
  42                              uint32 queryResultLen);
  43
  44 void
  45 vmw_svga_winsys_query_destroy(struct svga_winsys_screen *sws,
  46                               struct svga_winsys_gb_query *query);
  47
  48 int
  49 vmw_svga_winsys_query_init(struct svga_winsys_screen *sws,
  50                            struct svga_winsys_gb_query *query,
  51                            unsigned offset,
  52                            SVGA3dQueryState queryState);
  53
  54 void
  55 vmw_svga_winsys_query_get_result(struct svga_winsys_screen *sws,
  56                        struct svga_winsys_gb_query *query,
  57                        unsigned offset,
  58                        SVGA3dQueryState *queryState,
  59                        void *result, uint32 resultLen);
  60
  61 enum pipe_error
  62 vmw_swc_query_bind(struct svga_winsys_context *swc,
  63                    struct svga_winsys_gb_query *query,
  64                    unsigned flags);
  65
  66 #endif /* VMW_DRM_QUERY_H */
  67