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/p_state.h"
  32 #include "pipe/internal/p_winsys_screen.h"
  33
  34
  35 static struct pipe_buffer *
  36 pass_buffer_create(struct pipe_screen *screen,
  37                    unsigned alignment,
  38                    unsigned usage,
  39                    unsigned size)
  40 {
  41    struct pipe_buffer *buffer =
  42       screen->winsys->buffer_create(screen->winsys, alignment, usage, size);
  43
  44    buffer->screen = screen;
  45
  46    return buffer;
  47 }
  48
  49 static struct pipe_buffer *
  50 pass_user_buffer_create(struct pipe_screen *screen,
  51                         void *ptr,
  52                         unsigned bytes)
  53 {
  54    struct pipe_buffer *buffer =
  55       screen->winsys->user_buffer_create(screen->winsys,
  56                                              ptr, bytes);
  57
  58    buffer->screen = screen;
  59
  60    return buffer;
  61 }
  62
  63 static struct pipe_buffer *
  64 pass_surface_buffer_create(struct pipe_screen *screen,
  65                            unsigned width, unsigned height,
  66                            enum pipe_format format,
  67                            unsigned usage,
  68                            unsigned *stride)
  69 {
  70    struct pipe_buffer *buffer =
  71       screen->winsys->surface_buffer_create(screen->winsys,
  72                                                 width, height,
  73                                                 format, usage, stride);
  74
  75    buffer->screen = screen;
  76
  77    return buffer;
  78 }
  79
  80 static void *
  81 pass_buffer_map(struct pipe_screen *screen,
  82                 struct pipe_buffer *buf,
  83                 unsigned usage)
  84 {
  85    return screen->winsys->buffer_map(screen->winsys,
  86                                      buf, usage);
  87 }
  88
  89 static void
  90 pass_buffer_unmap(struct pipe_screen *screen,
  91                   struct pipe_buffer *buf)
  92 {
  93    screen->winsys->buffer_unmap(screen->winsys, buf);
  94 }
  95
  96 static void
  97 pass_buffer_destroy(struct pipe_buffer *buf)
  98 {
  99    buf->screen->winsys->buffer_destroy(buf);
 100 }
 101
 102
 103 static void
 104 pass_flush_frontbuffer(struct pipe_screen *screen,
 105                        struct pipe_surface *surf,
 106                        void *context_private)
 107 {
 108    screen->winsys->flush_frontbuffer(screen->winsys,
 109                                      surf, context_private);
 110 }
 111
 112 static void
 113 pass_fence_reference(struct pipe_screen *screen,
 114                      struct pipe_fence_handle **ptr,
 115                      struct pipe_fence_handle *fence)
 116 {
 117    screen->winsys->fence_reference(screen->winsys,
 118                                    ptr, fence);
 119 }
 120
 121 static int
 122 pass_fence_signalled(struct pipe_screen *screen,
 123                      struct pipe_fence_handle *fence,
 124                      unsigned flag)
 125 {
 126    return screen->winsys->fence_signalled(screen->winsys,
 127                                           fence, flag);
 128 }
 129
 130 static int
 131 pass_fence_finish(struct pipe_screen *screen,
 132                   struct pipe_fence_handle *fence,
 133                   unsigned flag)
 134 {
 135    return screen->winsys->fence_finish(screen->winsys,
 136                                        fence, flag);
 137 }
 138
 139 void u_simple_screen_init(struct pipe_screen *screen)
 140 {
 141    screen->buffer_create = pass_buffer_create;
 142    screen->user_buffer_create = pass_user_buffer_create;
 143    screen->surface_buffer_create = pass_surface_buffer_create;
 144
 145    screen->buffer_map = pass_buffer_map;
 146    screen->buffer_unmap = pass_buffer_unmap;
 147    screen->buffer_destroy = pass_buffer_destroy;
 148    screen->flush_frontbuffer = pass_flush_frontbuffer;
 149    screen->fence_reference = pass_fence_reference;
 150    screen->fence_signalled = pass_fence_signalled;
 151    screen->fence_finish = pass_fence_finish;
 152 }
 153
 154 const char* u_simple_screen_winsys_name(struct pipe_screen *screen)
 155 {
 156    return screen->winsys->get_name(screen->winsys);
 157 }