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 int
  83 rbug_screen_get_shader_param(struct pipe_screen *_screen,
  84                       unsigned shader, enum pipe_shader_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_shader_param(screen, shader,
  90                             param);
  91 }
  92
  93 static float
  94 rbug_screen_get_paramf(struct pipe_screen *_screen,
  95                        enum pipe_cap param)
  96 {
  97    struct rbug_screen *rb_screen = rbug_screen(_screen);
  98    struct pipe_screen *screen = rb_screen->screen;
  99
 100    return screen->get_paramf(screen,
 101                              param);
 102 }
 103
 104 static boolean
 105 rbug_screen_is_format_supported(struct pipe_screen *_screen,
 106                                 enum pipe_format format,
 107                                 enum pipe_texture_target target,
 108                                 unsigned sample_count,
 109                                 unsigned tex_usage,
 110                                 unsigned geom_flags)
 111 {
 112    struct rbug_screen *rb_screen = rbug_screen(_screen);
 113    struct pipe_screen *screen = rb_screen->screen;
 114
 115    return screen->is_format_supported(screen,
 116                                       format,
 117                                       target,
 118                                       sample_count,
 119                                       tex_usage,
 120                                       geom_flags);
 121 }
 122
 123 static struct pipe_context *
 124 rbug_screen_context_create(struct pipe_screen *_screen,
 125                            void *priv)
 126 {
 127    struct rbug_screen *rb_screen = rbug_screen(_screen);
 128    struct pipe_screen *screen = rb_screen->screen;
 129    struct pipe_context *result;
 130
 131    result = screen->context_create(screen, priv);
 132    if (result)
 133       return rbug_context_create(_screen, result);
 134    return NULL;
 135 }
 136
 137 static struct pipe_resource *
 138 rbug_screen_resource_create(struct pipe_screen *_screen,
 139                             const struct pipe_resource *templat)
 140 {
 141    struct rbug_screen *rb_screen = rbug_screen(_screen);
 142    struct pipe_screen *screen = rb_screen->screen;
 143    struct pipe_resource *result;
 144
 145    result = screen->resource_create(screen,
 146                                     templat);
 147
 148    if (result)
 149       return rbug_resource_create(rb_screen, result);
 150    return NULL;
 151 }
 152
 153 static struct pipe_resource *
 154 rbug_screen_resource_from_handle(struct pipe_screen *_screen,
 155                                  const struct pipe_resource *templ,
 156                                  struct winsys_handle *handle)
 157 {
 158    struct rbug_screen *rb_screen = rbug_screen(_screen);
 159    struct pipe_screen *screen = rb_screen->screen;
 160    struct pipe_resource *result;
 161
 162    result = screen->resource_from_handle(screen, templ, handle);
 163
 164    result = rbug_resource_create(rbug_screen(_screen), result);
 165
 166    return result;
 167 }
 168
 169 static boolean
 170 rbug_screen_resource_get_handle(struct pipe_screen *_screen,
 171                                 struct pipe_resource *_resource,
 172                                 struct winsys_handle *handle)
 173 {
 174    struct rbug_screen *rb_screen = rbug_screen(_screen);
 175    struct rbug_resource *rb_resource = rbug_resource(_resource);
 176    struct pipe_screen *screen = rb_screen->screen;
 177    struct pipe_resource *resource = rb_resource->resource;
 178
 179    return screen->resource_get_handle(screen, resource, handle);
 180 }
 181
 182
 183
 184 static void
 185 rbug_screen_resource_destroy(struct pipe_screen *screen,
 186                              struct pipe_resource *_resource)
 187 {
 188    rbug_resource_destroy(rbug_resource(_resource));
 189 }
 190
 191 static struct pipe_surface *
 192 rbug_screen_get_tex_surface(struct pipe_screen *_screen,
 193                             struct pipe_resource *_resource,
 194                             unsigned face,
 195                             unsigned level,
 196                             unsigned zslice,
 197                             unsigned usage)
 198 {
 199    struct rbug_screen *rb_screen = rbug_screen(_screen);
 200    struct rbug_resource *rb_resource = rbug_resource(_resource);
 201    struct pipe_screen *screen = rb_screen->screen;
 202    struct pipe_resource *resource = rb_resource->resource;
 203    struct pipe_surface *result;
 204
 205    result = screen->get_tex_surface(screen,
 206                                     resource,
 207                                     face,
 208                                     level,
 209                                     zslice,
 210                                     usage);
 211
 212    if (result)
 213       return rbug_surface_create(rb_resource, result);
 214    return NULL;
 215 }
 216
 217 static void
 218 rbug_screen_tex_surface_destroy(struct pipe_surface *_surface)
 219 {
 220    rbug_surface_destroy(rbug_surface(_surface));
 221 }
 222
 223
 224
 225 static struct pipe_resource *
 226 rbug_screen_user_buffer_create(struct pipe_screen *_screen,
 227                                void *ptr,
 228                                unsigned bytes,
 229                                unsigned usage)
 230 {
 231    struct rbug_screen *rb_screen = rbug_screen(_screen);
 232    struct pipe_screen *screen = rb_screen->screen;
 233    struct pipe_resource *result;
 234
 235    result = screen->user_buffer_create(screen,
 236                                        ptr,
 237                                        bytes,
 238                                        usage);
 239
 240    if (result)
 241       return rbug_resource_create(rb_screen, result);
 242    return NULL;
 243 }
 244
 245
 246
 247 static void
 248 rbug_screen_flush_frontbuffer(struct pipe_screen *_screen,
 249                               struct pipe_surface *_surface,
 250                               void *context_private)
 251 {
 252    struct rbug_screen *rb_screen = rbug_screen(_screen);
 253    struct rbug_surface *rb_surface = rbug_surface(_surface);
 254    struct pipe_screen *screen = rb_screen->screen;
 255    struct pipe_surface *surface = rb_surface->surface;
 256
 257    screen->flush_frontbuffer(screen,
 258                              surface,
 259                              context_private);
 260 }
 261
 262 static void
 263 rbug_screen_fence_reference(struct pipe_screen *_screen,
 264                             struct pipe_fence_handle **ptr,
 265                             struct pipe_fence_handle *fence)
 266 {
 267    struct rbug_screen *rb_screen = rbug_screen(_screen);
 268    struct pipe_screen *screen = rb_screen->screen;
 269
 270    screen->fence_reference(screen,
 271                            ptr,
 272                            fence);
 273 }
 274
 275 static int
 276 rbug_screen_fence_signalled(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_signalled(screen,
 284                                   fence,
 285                                   flags);
 286 }
 287
 288 static int
 289 rbug_screen_fence_finish(struct pipe_screen *_screen,
 290                          struct pipe_fence_handle *fence,
 291                          unsigned flags)
 292 {
 293    struct rbug_screen *rb_screen = rbug_screen(_screen);
 294    struct pipe_screen *screen = rb_screen->screen;
 295
 296    return screen->fence_finish(screen,
 297                                fence,
 298                                flags);
 299 }
 300
 301 boolean
 302 rbug_enabled()
 303 {
 304    return debug_get_option_rbug();
 305 }
 306
 307 struct pipe_screen *
 308 rbug_screen_create(struct pipe_screen *screen)
 309 {
 310    struct rbug_screen *rb_screen;
 311
 312    if (!debug_get_option_rbug())
 313       return screen;
 314
 315    rb_screen = CALLOC_STRUCT(rbug_screen);
 316    if (!rb_screen)
 317       return screen;
 318
 319    pipe_mutex_init(rb_screen->list_mutex);
 320    make_empty_list(&rb_screen->contexts);
 321    make_empty_list(&rb_screen->resources);
 322    make_empty_list(&rb_screen->surfaces);
 323    make_empty_list(&rb_screen->transfers);
 324
 325    rb_screen->base.winsys = NULL;
 326
 327    rb_screen->base.destroy = rbug_screen_destroy;
 328    rb_screen->base.get_name = rbug_screen_get_name;
 329    rb_screen->base.get_vendor = rbug_screen_get_vendor;
 330    rb_screen->base.get_param = rbug_screen_get_param;
 331    rb_screen->base.get_shader_param = rbug_screen_get_shader_param;
 332    rb_screen->base.get_paramf = rbug_screen_get_paramf;
 333    rb_screen->base.is_format_supported = rbug_screen_is_format_supported;
 334    rb_screen->base.context_create = rbug_screen_context_create;
 335    rb_screen->base.resource_create = rbug_screen_resource_create;
 336    rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
 337    rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
 338    rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
 339    rb_screen->base.get_tex_surface = rbug_screen_get_tex_surface;
 340    rb_screen->base.tex_surface_destroy = rbug_screen_tex_surface_destroy;
 341    rb_screen->base.user_buffer_create = rbug_screen_user_buffer_create;
 342    rb_screen->base.flush_frontbuffer = rbug_screen_flush_frontbuffer;
 343    rb_screen->base.fence_reference = rbug_screen_fence_reference;
 344    rb_screen->base.fence_signalled = rbug_screen_fence_signalled;
 345    rb_screen->base.fence_finish = rbug_screen_fence_finish;
 346
 347    rb_screen->screen = screen;
 348
 349    rb_screen->private_context = screen->context_create(screen, NULL);
 350    if (!rb_screen->private_context)
 351       goto err_free;
 352
 353    rb_screen->rbug = rbug_start(rb_screen);
 354
 355    if (!rb_screen->rbug)
 356       goto err_context;
 357
 358    return &rb_screen->base;
 359
 360 err_context:
 361    rb_screen->private_context->destroy(rb_screen->private_context);
 362 err_free:
 363    FREE(rb_screen);
 364    return screen;
 365 }