src/gallium/drivers/rbug/rbug_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 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 #include "util/u_debug.h"
  33 #include "util/u_simple_list.h"
  34
  35 #include "rbug_public.h"
  36 #include "rbug_screen.h"
  37 #include "rbug_context.h"
  38 #include "rbug_objects.h"
  39
  40 DEBUG_GET_ONCE_BOOL_OPTION(rbug, "GALLIUM_RBUG", FALSE)
  41
  42 static void
  43 rbug_screen_destroy(struct pipe_screen *_screen)
  44 {
  45    struct rbug_screen *rb_screen = rbug_screen(_screen);
  46    struct pipe_screen *screen = rb_screen->screen;
  47
  48    screen->destroy(screen);
  49
  50    FREE(rb_screen);
  51 }
  52
  53 static const char *
  54 rbug_screen_get_name(struct pipe_screen *_screen)
  55 {
  56    struct rbug_screen *rb_screen = rbug_screen(_screen);
  57    struct pipe_screen *screen = rb_screen->screen;
  58
  59    return screen->get_name(screen);
  60 }
  61
  62 static const char *
  63 rbug_screen_get_vendor(struct pipe_screen *_screen)
  64 {
  65    struct rbug_screen *rb_screen = rbug_screen(_screen);
  66    struct pipe_screen *screen = rb_screen->screen;
  67
  68    return screen->get_vendor(screen);
  69 }
  70
  71 static int
  72 rbug_screen_get_param(struct pipe_screen *_screen,
  73                       enum pipe_cap param)
  74 {
  75    struct rbug_screen *rb_screen = rbug_screen(_screen);
  76    struct pipe_screen *screen = rb_screen->screen;
  77
  78    return screen->get_param(screen,
  79                             param);
  80 }
  81
  82 static float
  83 rbug_screen_get_paramf(struct pipe_screen *_screen,
  84                        enum pipe_cap param)
  85 {
  86    struct rbug_screen *rb_screen = rbug_screen(_screen);
  87    struct pipe_screen *screen = rb_screen->screen;
  88
  89    return screen->get_paramf(screen,
  90                              param);
  91 }
  92
  93 static boolean
  94 rbug_screen_is_format_supported(struct pipe_screen *_screen,
  95                                 enum pipe_format format,
  96                                 enum pipe_texture_target target,
  97                                 unsigned tex_usage,
  98                                 unsigned geom_flags)
  99 {
 100    struct rbug_screen *rb_screen = rbug_screen(_screen);
 101    struct pipe_screen *screen = rb_screen->screen;
 102
 103    return screen->is_format_supported(screen,
 104                                       format,
 105                                       target,
 106                                       tex_usage,
 107                                       geom_flags);
 108 }
 109
 110 static struct pipe_context *
 111 rbug_screen_context_create(struct pipe_screen *_screen,
 112                            void *priv)
 113 {
 114    struct rbug_screen *rb_screen = rbug_screen(_screen);
 115    struct pipe_screen *screen = rb_screen->screen;
 116    struct pipe_context *result;
 117
 118    result = screen->context_create(screen, priv);
 119    if (result)
 120       return rbug_context_create(_screen, result);
 121    return NULL;
 122 }
 123
 124 static struct pipe_resource *
 125 rbug_screen_resource_create(struct pipe_screen *_screen,
 126                             const struct pipe_resource *templat)
 127 {
 128    struct rbug_screen *rb_screen = rbug_screen(_screen);
 129    struct pipe_screen *screen = rb_screen->screen;
 130    struct pipe_resource *result;
 131
 132    result = screen->resource_create(screen,
 133                                     templat);
 134
 135    if (result)
 136       return rbug_resource_create(rb_screen, result);
 137    return NULL;
 138 }
 139
 140 static struct pipe_resource *
 141 rbug_screen_resource_from_handle(struct pipe_screen *_screen,
 142                                  const struct pipe_resource *templ,
 143                                  struct winsys_handle *handle)
 144 {
 145    struct rbug_screen *rb_screen = rbug_screen(_screen);
 146    struct pipe_screen *screen = rb_screen->screen;
 147    struct pipe_resource *result;
 148
 149    result = screen->resource_from_handle(screen, templ, handle);
 150
 151    result = rbug_resource_create(rbug_screen(_screen), result);
 152
 153    return result;
 154 }
 155
 156 static boolean
 157 rbug_screen_resource_get_handle(struct pipe_screen *_screen,
 158                                 struct pipe_resource *_resource,
 159                                 struct winsys_handle *handle)
 160 {
 161    struct rbug_screen *rb_screen = rbug_screen(_screen);
 162    struct rbug_resource *rb_resource = rbug_resource(_resource);
 163    struct pipe_screen *screen = rb_screen->screen;
 164    struct pipe_resource *resource = rb_resource->resource;
 165
 166    return screen->resource_get_handle(screen, resource, handle);
 167 }
 168
 169
 170
 171 static void
 172 rbug_screen_resource_destroy(struct pipe_screen *screen,
 173                              struct pipe_resource *_resource)
 174 {
 175    rbug_resource_destroy(rbug_resource(_resource));
 176 }
 177
 178 static struct pipe_surface *
 179 rbug_screen_get_tex_surface(struct pipe_screen *_screen,
 180                             struct pipe_resource *_resource,
 181                             unsigned face,
 182                             unsigned level,
 183                             unsigned zslice,
 184                             unsigned usage)
 185 {
 186    struct rbug_screen *rb_screen = rbug_screen(_screen);
 187    struct rbug_resource *rb_resource = rbug_resource(_resource);
 188    struct pipe_screen *screen = rb_screen->screen;
 189    struct pipe_resource *resource = rb_resource->resource;
 190    struct pipe_surface *result;
 191
 192    result = screen->get_tex_surface(screen,
 193                                     resource,
 194                                     face,
 195                                     level,
 196                                     zslice,
 197                                     usage);
 198
 199    if (result)
 200       return rbug_surface_create(rb_resource, result);
 201    return NULL;
 202 }
 203
 204 static void
 205 rbug_screen_tex_surface_destroy(struct pipe_surface *_surface)
 206 {
 207    rbug_surface_destroy(rbug_surface(_surface));
 208 }
 209
 210
 211
 212 static struct pipe_resource *
 213 rbug_screen_user_buffer_create(struct pipe_screen *_screen,
 214                                void *ptr,
 215                                unsigned bytes,
 216                                unsigned usage)
 217 {
 218    struct rbug_screen *rb_screen = rbug_screen(_screen);
 219    struct pipe_screen *screen = rb_screen->screen;
 220    struct pipe_resource *result;
 221
 222    result = screen->user_buffer_create(screen,
 223                                        ptr,
 224                                        bytes,
 225                                        usage);
 226
 227    if (result)
 228       return rbug_resource_create(rb_screen, result);
 229    return NULL;
 230 }
 231
 232
 233
 234 static void
 235 rbug_screen_flush_frontbuffer(struct pipe_screen *_screen,
 236                               struct pipe_surface *_surface,
 237                               void *context_private)
 238 {
 239    struct rbug_screen *rb_screen = rbug_screen(_screen);
 240    struct rbug_surface *rb_surface = rbug_surface(_surface);
 241    struct pipe_screen *screen = rb_screen->screen;
 242    struct pipe_surface *surface = rb_surface->surface;
 243
 244    screen->flush_frontbuffer(screen,
 245                              surface,
 246                              context_private);
 247 }
 248
 249 static void
 250 rbug_screen_fence_reference(struct pipe_screen *_screen,
 251                             struct pipe_fence_handle **ptr,
 252                             struct pipe_fence_handle *fence)
 253 {
 254    struct rbug_screen *rb_screen = rbug_screen(_screen);
 255    struct pipe_screen *screen = rb_screen->screen;
 256
 257    screen->fence_reference(screen,
 258                            ptr,
 259                            fence);
 260 }
 261
 262 static int
 263 rbug_screen_fence_signalled(struct pipe_screen *_screen,
 264                             struct pipe_fence_handle *fence,
 265                             unsigned flags)
 266 {
 267    struct rbug_screen *rb_screen = rbug_screen(_screen);
 268    struct pipe_screen *screen = rb_screen->screen;
 269
 270    return screen->fence_signalled(screen,
 271                                   fence,
 272                                   flags);
 273 }
 274
 275 static int
 276 rbug_screen_fence_finish(struct pipe_screen *_screen,
 277                          struct pipe_fence_handle *fence,
 278                          unsigned flags)
 279 {
 280    struct rbug_screen *rb_screen = rbug_screen(_screen);
 281    struct pipe_screen *screen = rb_screen->screen;
 282
 283    return screen->fence_finish(screen,
 284                                fence,
 285                                flags);
 286 }
 287
 288 boolean
 289 rbug_enabled()
 290 {
 291    return debug_get_option_rbug();
 292 }
 293
 294 struct pipe_screen *
 295 rbug_screen_create(struct pipe_screen *screen)
 296 {
 297    struct rbug_screen *rb_screen;
 298
 299    if (!debug_get_option_rbug())
 300       return screen;
 301
 302    rb_screen = CALLOC_STRUCT(rbug_screen);
 303    if (!rb_screen)
 304       return screen;
 305
 306    pipe_mutex_init(rb_screen->list_mutex);
 307    make_empty_list(&rb_screen->contexts);
 308    make_empty_list(&rb_screen->resources);
 309    make_empty_list(&rb_screen->surfaces);
 310    make_empty_list(&rb_screen->transfers);
 311
 312    rb_screen->base.winsys = NULL;
 313
 314    rb_screen->base.destroy = rbug_screen_destroy;
 315    rb_screen->base.get_name = rbug_screen_get_name;
 316    rb_screen->base.get_vendor = rbug_screen_get_vendor;
 317    rb_screen->base.get_param = rbug_screen_get_param;
 318    rb_screen->base.get_paramf = rbug_screen_get_paramf;
 319    rb_screen->base.is_format_supported = rbug_screen_is_format_supported;
 320    rb_screen->base.context_create = rbug_screen_context_create;
 321    rb_screen->base.resource_create = rbug_screen_resource_create;
 322    rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
 323    rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
 324    rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
 325    rb_screen->base.get_tex_surface = rbug_screen_get_tex_surface;
 326    rb_screen->base.tex_surface_destroy = rbug_screen_tex_surface_destroy;
 327    rb_screen->base.user_buffer_create = rbug_screen_user_buffer_create;
 328    rb_screen->base.flush_frontbuffer = rbug_screen_flush_frontbuffer;
 329    rb_screen->base.fence_reference = rbug_screen_fence_reference;
 330    rb_screen->base.fence_signalled = rbug_screen_fence_signalled;
 331    rb_screen->base.fence_finish = rbug_screen_fence_finish;
 332
 333    rb_screen->screen = screen;
 334
 335    rb_screen->private_context = screen->context_create(screen, NULL);
 336    if (!rb_screen->private_context)
 337       goto err_free;
 338
 339    rb_screen->rbug = rbug_start(rb_screen);
 340
 341    if (!rb_screen->rbug)
 342       goto err_context;
 343
 344    return &rb_screen->base;
 345
 346 err_context:
 347    rb_screen->private_context->destroy(rb_screen->private_context);
 348 err_free:
 349    FREE(rb_screen);
 350    return screen;
 351 }