src/gallium/drivers/identity/id_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 VMWARE 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
  29 #include "pipe/p_screen.h"
  30 #include "pipe/p_state.h"
  31 #include "util/u_memory.h"
  32
  33 #include "id_public.h"
  34 #include "id_screen.h"
  35 #include "id_context.h"
  36 #include "id_objects.h"
  37
  38
  39 static void
  40 identity_screen_destroy(struct pipe_screen *_screen)
  41 {
  42    struct identity_screen *id_screen = identity_screen(_screen);
  43    struct pipe_screen *screen = id_screen->screen;
  44
  45    screen->destroy(screen);
  46
  47    FREE(id_screen);
  48 }
  49
  50 static const char *
  51 identity_screen_get_name(struct pipe_screen *_screen)
  52 {
  53    struct identity_screen *id_screen = identity_screen(_screen);
  54    struct pipe_screen *screen = id_screen->screen;
  55
  56    return screen->get_name(screen);
  57 }
  58
  59 static const char *
  60 identity_screen_get_vendor(struct pipe_screen *_screen)
  61 {
  62    struct identity_screen *id_screen = identity_screen(_screen);
  63    struct pipe_screen *screen = id_screen->screen;
  64
  65    return screen->get_vendor(screen);
  66 }
  67
  68 static int
  69 identity_screen_get_param(struct pipe_screen *_screen,
  70                           int param)
  71 {
  72    struct identity_screen *id_screen = identity_screen(_screen);
  73    struct pipe_screen *screen = id_screen->screen;
  74
  75    return screen->get_param(screen,
  76                             param);
  77 }
  78
  79 static float
  80 identity_screen_get_paramf(struct pipe_screen *_screen,
  81                            int param)
  82 {
  83    struct identity_screen *id_screen = identity_screen(_screen);
  84    struct pipe_screen *screen = id_screen->screen;
  85
  86    return screen->get_paramf(screen,
  87                              param);
  88 }
  89
  90 static boolean
  91 identity_screen_is_format_supported(struct pipe_screen *_screen,
  92                                     enum pipe_format format,
  93                                     enum pipe_texture_target target,
  94                                     unsigned tex_usage,
  95                                     unsigned geom_flags)
  96 {
  97    struct identity_screen *id_screen = identity_screen(_screen);
  98    struct pipe_screen *screen = id_screen->screen;
  99
 100    return screen->is_format_supported(screen,
 101                                       format,
 102                                       target,
 103                                       tex_usage,
 104                                       geom_flags);
 105 }
 106
 107 static struct pipe_context *
 108 identity_screen_context_create(struct pipe_screen *_screen,
 109                                void *priv)
 110 {
 111    struct identity_screen *id_screen = identity_screen(_screen);
 112    struct pipe_screen *screen = id_screen->screen;
 113    struct pipe_context *result;
 114
 115    result = screen->context_create(screen, priv);
 116    if (result)
 117       return identity_context_create(_screen, result);
 118    return NULL;
 119 }
 120
 121 static struct pipe_resource *
 122 identity_screen_resource_create(struct pipe_screen *_screen,
 123                                const struct pipe_resource *templat)
 124 {
 125    struct identity_screen *id_screen = identity_screen(_screen);
 126    struct pipe_screen *screen = id_screen->screen;
 127    struct pipe_resource *result;
 128
 129    result = screen->resource_create(screen,
 130                                    templat);
 131
 132    if (result)
 133       return identity_resource_create(id_screen, result);
 134    return NULL;
 135 }
 136
 137 static struct pipe_resource *
 138 identity_screen_resource_from_handle(struct pipe_screen *_screen,
 139                                     const struct pipe_resource *templ,
 140                                     struct winsys_handle *handle)
 141 {
 142    struct identity_screen *id_screen = identity_screen(_screen);
 143    struct pipe_screen *screen = id_screen->screen;
 144    struct pipe_resource *result;
 145
 146    /* TODO trace call */
 147
 148    result = screen->resource_from_handle(screen, templ, handle);
 149
 150    result = identity_resource_create(identity_screen(_screen), result);
 151
 152    return result;
 153 }
 154
 155 static boolean
 156 identity_screen_resource_get_handle(struct pipe_screen *_screen,
 157                                    struct pipe_resource *_texture,
 158                                    struct winsys_handle *handle)
 159 {
 160    struct identity_screen *id_screen = identity_screen(_screen);
 161    struct identity_resource *id_resource = identity_resource(_texture);
 162    struct pipe_screen *screen = id_screen->screen;
 163    struct pipe_resource *texture = id_resource->resource;
 164
 165    /* TODO trace call */
 166
 167    return screen->resource_get_handle(screen, texture, handle);
 168 }
 169
 170
 171
 172 static void
 173 identity_screen_resource_destroy(struct pipe_screen *screen,
 174                                  struct pipe_resource *_texture)
 175 {
 176    identity_resource_destroy(identity_resource(_texture));
 177 }
 178
 179 static struct pipe_surface *
 180 identity_screen_get_tex_surface(struct pipe_screen *_screen,
 181                                 struct pipe_resource *_texture,
 182                                 unsigned face,
 183                                 unsigned level,
 184                                 unsigned zslice,
 185                                 unsigned usage)
 186 {
 187    struct identity_screen *id_screen = identity_screen(_screen);
 188    struct identity_resource *id_resource = identity_resource(_texture);
 189    struct pipe_screen *screen = id_screen->screen;
 190    struct pipe_resource *texture = id_resource->resource;
 191    struct pipe_surface *result;
 192
 193    result = screen->get_tex_surface(screen,
 194                                     texture,
 195                                     face,
 196                                     level,
 197                                     zslice,
 198                                     usage);
 199
 200    if (result)
 201       return identity_surface_create(id_resource, result);
 202    return NULL;
 203 }
 204
 205 static void
 206 identity_screen_tex_surface_destroy(struct pipe_surface *_surface)
 207 {
 208    identity_surface_destroy(identity_surface(_surface));
 209 }
 210
 211
 212
 213 static struct pipe_resource *
 214 identity_screen_user_buffer_create(struct pipe_screen *_screen,
 215                                    void *ptr,
 216                                    unsigned bytes,
 217                                    unsigned usage)
 218 {
 219    struct identity_screen *id_screen = identity_screen(_screen);
 220    struct pipe_screen *screen = id_screen->screen;
 221    struct pipe_resource *result;
 222
 223    result = screen->user_buffer_create(screen,
 224                                        ptr,
 225                                        bytes,
 226                                        usage);
 227
 228    if (result)
 229       return identity_resource_create(id_screen, result);
 230    return NULL;
 231 }
 232
 233
 234
 235 static void
 236 identity_screen_flush_frontbuffer(struct pipe_screen *_screen,
 237                                   struct pipe_surface *_surface,
 238                                   void *context_private)
 239 {
 240    struct identity_screen *id_screen = identity_screen(_screen);
 241    struct identity_surface *id_surface = identity_surface(_surface);
 242    struct pipe_screen *screen = id_screen->screen;
 243    struct pipe_surface *surface = id_surface->surface;
 244
 245    screen->flush_frontbuffer(screen,
 246                              surface,
 247                              context_private);
 248 }
 249
 250 static void
 251 identity_screen_fence_reference(struct pipe_screen *_screen,
 252                                 struct pipe_fence_handle **ptr,
 253                                 struct pipe_fence_handle *fence)
 254 {
 255    struct identity_screen *id_screen = identity_screen(_screen);
 256    struct pipe_screen *screen = id_screen->screen;
 257
 258    screen->fence_reference(screen,
 259                            ptr,
 260                            fence);
 261 }
 262
 263 static int
 264 identity_screen_fence_signalled(struct pipe_screen *_screen,
 265                                 struct pipe_fence_handle *fence,
 266                                 unsigned flags)
 267 {
 268    struct identity_screen *id_screen = identity_screen(_screen);
 269    struct pipe_screen *screen = id_screen->screen;
 270
 271    return screen->fence_signalled(screen,
 272                                   fence,
 273                                   flags);
 274 }
 275
 276 static int
 277 identity_screen_fence_finish(struct pipe_screen *_screen,
 278                              struct pipe_fence_handle *fence,
 279                              unsigned flags)
 280 {
 281    struct identity_screen *id_screen = identity_screen(_screen);
 282    struct pipe_screen *screen = id_screen->screen;
 283
 284    return screen->fence_finish(screen,
 285                                fence,
 286                                flags);
 287 }
 288
 289 struct pipe_screen *
 290 identity_screen_create(struct pipe_screen *screen)
 291 {
 292    struct identity_screen *id_screen;
 293
 294    id_screen = CALLOC_STRUCT(identity_screen);
 295    if (!id_screen) {
 296       return NULL;
 297    }
 298
 299    id_screen->base.winsys = NULL;
 300
 301    id_screen->base.destroy = identity_screen_destroy;
 302    id_screen->base.get_name = identity_screen_get_name;
 303    id_screen->base.get_vendor = identity_screen_get_vendor;
 304    id_screen->base.get_param = identity_screen_get_param;
 305    id_screen->base.get_paramf = identity_screen_get_paramf;
 306    id_screen->base.is_format_supported = identity_screen_is_format_supported;
 307    id_screen->base.context_create = identity_screen_context_create;
 308    id_screen->base.resource_create = identity_screen_resource_create;
 309    id_screen->base.resource_from_handle = identity_screen_resource_from_handle;
 310    id_screen->base.resource_get_handle = identity_screen_resource_get_handle;
 311    id_screen->base.resource_destroy = identity_screen_resource_destroy;
 312    id_screen->base.get_tex_surface = identity_screen_get_tex_surface;
 313    id_screen->base.tex_surface_destroy = identity_screen_tex_surface_destroy;
 314    id_screen->base.user_buffer_create = identity_screen_user_buffer_create;
 315    id_screen->base.flush_frontbuffer = identity_screen_flush_frontbuffer;
 316    id_screen->base.fence_reference = identity_screen_fence_reference;
 317    id_screen->base.fence_signalled = identity_screen_fence_signalled;
 318    id_screen->base.fence_finish = identity_screen_fence_finish;
 319
 320    id_screen->screen = screen;
 321
 322    return &id_screen->base;
 323 }