src/gallium/auxiliary/util/u_simple_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "u_simple_screen.h"
  29
  30 #include "pipe/p_screen.h"
  31 #include "pipe/internal/p_winsys_screen.h"
  32
  33
  34 static struct pipe_buffer *
  35 pass_buffer_create(struct pipe_screen *screen,
  36                    unsigned alignment,
  37                    unsigned usage,
  38                    unsigned size)
  39 {
  40    return screen->winsys->buffer_create(screen->winsys,
  41                                         alignment, usage, size);
  42 }
  43
  44 static struct pipe_buffer *
  45 pass_user_buffer_create(struct pipe_screen *screen,
  46                         void *ptr,
  47                         unsigned bytes)
  48 {
  49    return screen->winsys->user_buffer_create(screen->winsys,
  50                                              ptr, bytes);
  51 }
  52
  53 static struct pipe_buffer *
  54 pass_surface_buffer_create(struct pipe_screen *screen,
  55                            unsigned width, unsigned height,
  56                            enum pipe_format format,
  57                            unsigned usage,
  58                            unsigned *stride)
  59 {
  60    return screen->winsys->surface_buffer_create(screen->winsys,
  61                                                 width, height,
  62                                                 format, usage, stride);
  63 }
  64
  65 static void *
  66 pass_buffer_map(struct pipe_screen *screen,
  67                 struct pipe_buffer *buf,
  68                 unsigned usage)
  69 {
  70    return screen->winsys->buffer_map(screen->winsys,
  71                                      buf, usage);
  72 }
  73
  74 static void
  75 pass_buffer_unmap(struct pipe_screen *screen,
  76                   struct pipe_buffer *buf)
  77 {
  78    screen->winsys->buffer_unmap(screen->winsys, buf);
  79 }
  80
  81 static void
  82 pass_buffer_destroy(struct pipe_screen *screen,
  83                     struct pipe_buffer *buf)
  84 {
  85    screen->winsys->buffer_destroy(screen->winsys, buf);
  86 }
  87
  88
  89 static void
  90 pass_flush_frontbuffer(struct pipe_screen *screen,
  91                        struct pipe_surface *surf,
  92                        void *context_private)
  93 {
  94    screen->winsys->flush_frontbuffer(screen->winsys,
  95                                      surf, context_private);
  96 }
  97
  98 static void
  99 pass_fence_reference(struct pipe_screen *screen,
 100                      struct pipe_fence_handle **ptr,
 101                      struct pipe_fence_handle *fence)
 102 {
 103    screen->winsys->fence_reference(screen->winsys,
 104                                    ptr, fence);
 105 }
 106
 107 static int
 108 pass_fence_signalled(struct pipe_screen *screen,
 109                      struct pipe_fence_handle *fence,
 110                      unsigned flag)
 111 {
 112    return screen->winsys->fence_signalled(screen->winsys,
 113                                           fence, flag);
 114 }
 115
 116 static int
 117 pass_fence_finish(struct pipe_screen *screen,
 118                   struct pipe_fence_handle *fence,
 119                   unsigned flag)
 120 {
 121    return screen->winsys->fence_finish(screen->winsys,
 122                                        fence, flag);
 123 }
 124
 125 void u_simple_screen_init(struct pipe_screen *screen)
 126 {
 127    screen->buffer_create = pass_buffer_create;
 128    screen->user_buffer_create = pass_user_buffer_create;
 129    screen->surface_buffer_create = pass_surface_buffer_create;
 130
 131    screen->buffer_map = pass_buffer_map;
 132    screen->buffer_unmap = pass_buffer_unmap;
 133    screen->buffer_destroy = pass_buffer_destroy;
 134    screen->flush_frontbuffer = pass_flush_frontbuffer;
 135    screen->fence_reference = pass_fence_reference;
 136    screen->fence_signalled = pass_fence_signalled;
 137    screen->fence_finish = pass_fence_finish;
 138 }
 139
 140 const char* u_simple_screen_winsys_name(struct pipe_screen *screen)
 141 {
 142    return screen->winsys->get_name(screen->winsys);
 143 }