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, ptr, bytes);
  56
  57    buffer->screen = screen;
  58
  59    return buffer;
  60 }
  61
  62 static struct pipe_buffer *
  63 pass_surface_buffer_create(struct pipe_screen *screen,
  64                            unsigned width, unsigned height,
  65                            enum pipe_format format,
  66                            unsigned usage,
  67                            unsigned tex_usage,
  68                            unsigned *stride)
  69 {
  70    struct pipe_buffer *buffer =
  71       screen->winsys->surface_buffer_create(screen->winsys, width, height,
  72                                             format, usage, tex_usage, stride);
  73
  74    buffer->screen = screen;
  75
  76    return buffer;
  77 }
  78
  79 static void *
  80 pass_buffer_map(struct pipe_screen *screen,
  81                 struct pipe_buffer *buf,
  82                 unsigned usage)
  83 {
  84    return screen->winsys->buffer_map(screen->winsys, buf, usage);
  85 }
  86
  87 static void
  88 pass_buffer_unmap(struct pipe_screen *screen,
  89                   struct pipe_buffer *buf)
  90 {
  91    screen->winsys->buffer_unmap(screen->winsys, buf);
  92 }
  93
  94 static void
  95 pass_buffer_destroy(struct pipe_buffer *buf)
  96 {
  97    buf->screen->winsys->buffer_destroy(buf);
  98 }
  99
 100
 101 static void
 102 pass_flush_frontbuffer(struct pipe_screen *screen,
 103                        struct pipe_surface *surf,
 104                        void *context_private)
 105 {
 106    screen->winsys->flush_frontbuffer(screen->winsys, surf, context_private);
 107 }
 108
 109 static void
 110 pass_fence_reference(struct pipe_screen *screen,
 111                      struct pipe_fence_handle **ptr,
 112                      struct pipe_fence_handle *fence)
 113 {
 114    screen->winsys->fence_reference(screen->winsys, ptr, fence);
 115 }
 116
 117 static int
 118 pass_fence_signalled(struct pipe_screen *screen,
 119                      struct pipe_fence_handle *fence,
 120                      unsigned flag)
 121 {
 122    return screen->winsys->fence_signalled(screen->winsys, fence, flag);
 123 }
 124
 125 static int
 126 pass_fence_finish(struct pipe_screen *screen,
 127                   struct pipe_fence_handle *fence,
 128                   unsigned flag)
 129 {
 130    return screen->winsys->fence_finish(screen->winsys, fence, flag);
 131 }
 132
 133 void
 134 u_simple_screen_init(struct pipe_screen *screen)
 135 {
 136    screen->buffer_create = pass_buffer_create;
 137    screen->user_buffer_create = pass_user_buffer_create;
 138    screen->surface_buffer_create = pass_surface_buffer_create;
 139
 140    screen->buffer_map = pass_buffer_map;
 141    screen->buffer_unmap = pass_buffer_unmap;
 142    screen->buffer_destroy = pass_buffer_destroy;
 143    screen->flush_frontbuffer = pass_flush_frontbuffer;
 144    screen->fence_reference = pass_fence_reference;
 145    screen->fence_signalled = pass_fence_signalled;
 146    screen->fence_finish = pass_fence_finish;
 147 }
 148
 149 const char *
 150 u_simple_screen_winsys_name(struct pipe_screen *screen)
 151 {
 152    return screen->winsys->get_name(screen->winsys);
 153 }