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 sample_count,
  98                                 unsigned tex_usage,
  99                                 unsigned geom_flags)
 100 {
 101    struct rbug_screen *rb_screen = rbug_screen(_screen);
 102    struct pipe_screen *screen = rb_screen->screen;
 103
 104    return screen->is_format_supported(screen,
 105                                       format,
 106                                       target,
 107                                       sample_count,
 108                                       tex_usage,
 109                                       geom_flags);
 110 }
 111
 112 static struct pipe_context *
 113 rbug_screen_context_create(struct pipe_screen *_screen,
 114                            void *priv)
 115 {
 116    struct rbug_screen *rb_screen = rbug_screen(_screen);
 117    struct pipe_screen *screen = rb_screen->screen;
 118    struct pipe_context *result;
 119
 120    result = screen->context_create(screen, priv);
 121    if (result)
 122       return rbug_context_create(_screen, result);
 123    return NULL;
 124 }
 125
 126 static struct pipe_resource *
 127 rbug_screen_resource_create(struct pipe_screen *_screen,
 128                             const struct pipe_resource *templat)
 129 {
 130    struct rbug_screen *rb_screen = rbug_screen(_screen);
 131    struct pipe_screen *screen = rb_screen->screen;
 132    struct pipe_resource *result;
 133
 134    result = screen->resource_create(screen,
 135                                     templat);
 136
 137    if (result)
 138       return rbug_resource_create(rb_screen, result);
 139    return NULL;
 140 }
 141
 142 static struct pipe_resource *
 143 rbug_screen_resource_from_handle(struct pipe_screen *_screen,
 144                                  const struct pipe_resource *templ,
 145                                  struct winsys_handle *handle)
 146 {
 147    struct rbug_screen *rb_screen = rbug_screen(_screen);
 148    struct pipe_screen *screen = rb_screen->screen;
 149    struct pipe_resource *result;
 150
 151    result = screen->resource_from_handle(screen, templ, handle);
 152
 153    result = rbug_resource_create(rbug_screen(_screen), result);
 154
 155    return result;
 156 }
 157
 158 static boolean
 159 rbug_screen_resource_get_handle(struct pipe_screen *_screen,
 160                                 struct pipe_resource *_resource,
 161                                 struct winsys_handle *handle)
 162 {
 163    struct rbug_screen *rb_screen = rbug_screen(_screen);
 164    struct rbug_resource *rb_resource = rbug_resource(_resource);
 165    struct pipe_screen *screen = rb_screen->screen;
 166    struct pipe_resource *resource = rb_resource->resource;
 167
 168    return screen->resource_get_handle(screen, resource, handle);
 169 }
 170
 171
 172
 173 static void
 174 rbug_screen_resource_destroy(struct pipe_screen *screen,
 175                              struct pipe_resource *_resource)
 176 {
 177    rbug_resource_destroy(rbug_resource(_resource));
 178 }
 179
 180 static struct pipe_surface *
 181 rbug_screen_get_tex_surface(struct pipe_screen *_screen,
 182                             struct pipe_resource *_resource,
 183                             unsigned face,
 184                             unsigned level,
 185                             unsigned zslice,
 186                             unsigned usage)
 187 {
 188    struct rbug_screen *rb_screen = rbug_screen(_screen);
 189    struct rbug_resource *rb_resource = rbug_resource(_resource);
 190    struct pipe_screen *screen = rb_screen->screen;
 191    struct pipe_resource *resource = rb_resource->resource;
 192    struct pipe_surface *result;
 193
 194    result = screen->get_tex_surface(screen,
 195                                     resource,
 196                                     face,
 197                                     level,
 198                                     zslice,
 199                                     usage);
 200
 201    if (result)
 202       return rbug_surface_create(rb_resource, result);
 203    return NULL;
 204 }
 205
 206 static void
 207 rbug_screen_tex_surface_destroy(struct pipe_surface *_surface)
 208 {
 209    rbug_surface_destroy(rbug_surface(_surface));
 210 }
 211
 212
 213
 214 static struct pipe_resource *
 215 rbug_screen_user_buffer_create(struct pipe_screen *_screen,
 216                                void *ptr,
 217                                unsigned bytes,
 218                                unsigned usage)
 219 {
 220    struct rbug_screen *rb_screen = rbug_screen(_screen);
 221    struct pipe_screen *screen = rb_screen->screen;
 222    struct pipe_resource *result;
 223
 224    result = screen->user_buffer_create(screen,
 225                                        ptr,
 226                                        bytes,
 227                                        usage);
 228
 229    if (result)
 230       return rbug_resource_create(rb_screen, result);
 231    return NULL;
 232 }
 233
 234
 235
 236 static void
 237 rbug_screen_flush_frontbuffer(struct pipe_screen *_screen,
 238                               struct pipe_surface *_surface,
 239                               void *context_private)
 240 {
 241    struct rbug_screen *rb_screen = rbug_screen(_screen);
 242    struct rbug_surface *rb_surface = rbug_surface(_surface);
 243    struct pipe_screen *screen = rb_screen->screen;
 244    struct pipe_surface *surface = rb_surface->surface;
 245
 246    screen->flush_frontbuffer(screen,
 247                              surface,
 248                              context_private);
 249 }
 250
 251 static void
 252 rbug_screen_fence_reference(struct pipe_screen *_screen,
 253                             struct pipe_fence_handle **ptr,
 254                             struct pipe_fence_handle *fence)
 255 {
 256    struct rbug_screen *rb_screen = rbug_screen(_screen);
 257    struct pipe_screen *screen = rb_screen->screen;
 258
 259    screen->fence_reference(screen,
 260                            ptr,
 261                            fence);
 262 }
 263
 264 static int
 265 rbug_screen_fence_signalled(struct pipe_screen *_screen,
 266                             struct pipe_fence_handle *fence,
 267                             unsigned flags)
 268 {
 269    struct rbug_screen *rb_screen = rbug_screen(_screen);
 270    struct pipe_screen *screen = rb_screen->screen;
 271
 272    return screen->fence_signalled(screen,
 273                                   fence,
 274                                   flags);
 275 }
 276
 277 static int
 278 rbug_screen_fence_finish(struct pipe_screen *_screen,
 279                          struct pipe_fence_handle *fence,
 280                          unsigned flags)
 281 {
 282    struct rbug_screen *rb_screen = rbug_screen(_screen);
 283    struct pipe_screen *screen = rb_screen->screen;
 284
 285    return screen->fence_finish(screen,
 286                                fence,
 287                                flags);
 288 }
 289
 290 boolean
 291 rbug_enabled()
 292 {
 293    return debug_get_option_rbug();
 294 }
 295
 296 struct pipe_screen *
 297 rbug_screen_create(struct pipe_screen *screen)
 298 {
 299    struct rbug_screen *rb_screen;
 300
 301    if (!debug_get_option_rbug())
 302       return screen;
 303
 304    rb_screen = CALLOC_STRUCT(rbug_screen);
 305    if (!rb_screen)
 306       return screen;
 307
 308    pipe_mutex_init(rb_screen->list_mutex);
 309    make_empty_list(&rb_screen->contexts);
 310    make_empty_list(&rb_screen->resources);
 311    make_empty_list(&rb_screen->surfaces);
 312    make_empty_list(&rb_screen->transfers);
 313
 314    rb_screen->base.winsys = NULL;
 315
 316    rb_screen->base.destroy = rbug_screen_destroy;
 317    rb_screen->base.get_name = rbug_screen_get_name;
 318    rb_screen->base.get_vendor = rbug_screen_get_vendor;
 319    rb_screen->base.get_param = rbug_screen_get_param;
 320    rb_screen->base.get_paramf = rbug_screen_get_paramf;
 321    rb_screen->base.is_format_supported = rbug_screen_is_format_supported;
 322    rb_screen->base.context_create = rbug_screen_context_create;
 323    rb_screen->base.resource_create = rbug_screen_resource_create;
 324    rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
 325    rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
 326    rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
 327    rb_screen->base.get_tex_surface = rbug_screen_get_tex_surface;
 328    rb_screen->base.tex_surface_destroy = rbug_screen_tex_surface_destroy;
 329    rb_screen->base.user_buffer_create = rbug_screen_user_buffer_create;
 330    rb_screen->base.flush_frontbuffer = rbug_screen_flush_frontbuffer;
 331    rb_screen->base.fence_reference = rbug_screen_fence_reference;
 332    rb_screen->base.fence_signalled = rbug_screen_fence_signalled;
 333    rb_screen->base.fence_finish = rbug_screen_fence_finish;
 334
 335    rb_screen->screen = screen;
 336
 337    rb_screen->private_context = screen->context_create(screen, NULL);
 338    if (!rb_screen->private_context)
 339       goto err_free;
 340
 341    rb_screen->rbug = rbug_start(rb_screen);
 342
 343    if (!rb_screen->rbug)
 344       goto err_context;
 345
 346    return &rb_screen->base;
 347
 348 err_context:
 349    rb_screen->private_context->destroy(rb_screen->private_context);
 350 err_free:
 351    FREE(rb_screen);
 352    return screen;
 353 }