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/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 const char *
  72 rbug_screen_get_device_vendor(struct pipe_screen *_screen)
  73 {
  74    struct rbug_screen *rb_screen = rbug_screen(_screen);
  75    struct pipe_screen *screen = rb_screen->screen;
  76
  77    return screen->get_device_vendor(screen);
  78 }
  79
  80 static int
  81 rbug_screen_get_param(struct pipe_screen *_screen,
  82                       enum pipe_cap param)
  83 {
  84    struct rbug_screen *rb_screen = rbug_screen(_screen);
  85    struct pipe_screen *screen = rb_screen->screen;
  86
  87    return screen->get_param(screen,
  88                             param);
  89 }
  90
  91 static int
  92 rbug_screen_get_shader_param(struct pipe_screen *_screen,
  93                       unsigned shader, enum pipe_shader_cap param)
  94 {
  95    struct rbug_screen *rb_screen = rbug_screen(_screen);
  96    struct pipe_screen *screen = rb_screen->screen;
  97
  98    return screen->get_shader_param(screen, shader,
  99                             param);
 100 }
 101
 102 static float
 103 rbug_screen_get_paramf(struct pipe_screen *_screen,
 104                        enum pipe_capf param)
 105 {
 106    struct rbug_screen *rb_screen = rbug_screen(_screen);
 107    struct pipe_screen *screen = rb_screen->screen;
 108
 109    return screen->get_paramf(screen,
 110                              param);
 111 }
 112
 113 static boolean
 114 rbug_screen_is_format_supported(struct pipe_screen *_screen,
 115                                 enum pipe_format format,
 116                                 enum pipe_texture_target target,
 117                                 unsigned sample_count,
 118                                 unsigned tex_usage)
 119 {
 120    struct rbug_screen *rb_screen = rbug_screen(_screen);
 121    struct pipe_screen *screen = rb_screen->screen;
 122
 123    return screen->is_format_supported(screen,
 124                                       format,
 125                                       target,
 126                                       sample_count,
 127                                       tex_usage);
 128 }
 129
 130 static struct pipe_context *
 131 rbug_screen_context_create(struct pipe_screen *_screen,
 132                            void *priv, unsigned flags)
 133 {
 134    struct rbug_screen *rb_screen = rbug_screen(_screen);
 135    struct pipe_screen *screen = rb_screen->screen;
 136    struct pipe_context *result;
 137
 138    result = screen->context_create(screen, priv, flags);
 139    if (result)
 140       return rbug_context_create(_screen, result);
 141    return NULL;
 142 }
 143
 144 static struct pipe_resource *
 145 rbug_screen_resource_create(struct pipe_screen *_screen,
 146                             const struct pipe_resource *templat)
 147 {
 148    struct rbug_screen *rb_screen = rbug_screen(_screen);
 149    struct pipe_screen *screen = rb_screen->screen;
 150    struct pipe_resource *result;
 151
 152    result = screen->resource_create(screen,
 153                                     templat);
 154
 155    if (result)
 156       return rbug_resource_create(rb_screen, result);
 157    return NULL;
 158 }
 159
 160 static struct pipe_resource *
 161 rbug_screen_resource_from_handle(struct pipe_screen *_screen,
 162                                  const struct pipe_resource *templ,
 163                                  struct winsys_handle *handle,
 164                                  unsigned usage)
 165 {
 166    struct rbug_screen *rb_screen = rbug_screen(_screen);
 167    struct pipe_screen *screen = rb_screen->screen;
 168    struct pipe_resource *result;
 169
 170    result = screen->resource_from_handle(screen, templ, handle, usage);
 171
 172    result = rbug_resource_create(rbug_screen(_screen), result);
 173
 174    return result;
 175 }
 176
 177 static boolean
 178 rbug_screen_resource_get_handle(struct pipe_screen *_screen,
 179                                 struct pipe_context *_pipe,
 180                                 struct pipe_resource *_resource,
 181                                 struct winsys_handle *handle,
 182                                 unsigned usage)
 183 {
 184    struct rbug_screen *rb_screen = rbug_screen(_screen);
 185    struct rbug_context *rb_pipe = rbug_context(_pipe);
 186    struct rbug_resource *rb_resource = rbug_resource(_resource);
 187    struct pipe_screen *screen = rb_screen->screen;
 188    struct pipe_resource *resource = rb_resource->resource;
 189
 190    return screen->resource_get_handle(screen, rb_pipe ? rb_pipe->pipe : NULL,
 191                                       resource, handle, usage);
 192 }
 193
 194 static void
 195 rbug_screen_resource_changed(struct pipe_screen *_screen,
 196                              struct pipe_resource *_resource)
 197 {
 198    struct rbug_screen *rb_screen = rbug_screen(_screen);
 199    struct rbug_resource *rb_resource = rbug_resource(_resource);
 200    struct pipe_screen *screen = rb_screen->screen;
 201    struct pipe_resource *resource = rb_resource->resource;
 202
 203    screen->resource_changed(screen, resource);
 204 }
 205
 206 static void
 207 rbug_screen_resource_destroy(struct pipe_screen *screen,
 208                              struct pipe_resource *_resource)
 209 {
 210    rbug_resource_destroy(rbug_resource(_resource));
 211 }
 212
 213 static void
 214 rbug_screen_flush_frontbuffer(struct pipe_screen *_screen,
 215                               struct pipe_resource *_resource,
 216                               unsigned level, unsigned layer,
 217                               void *context_private, struct pipe_box *sub_box)
 218 {
 219    struct rbug_screen *rb_screen = rbug_screen(_screen);
 220    struct rbug_resource *rb_resource = rbug_resource(_resource);
 221    struct pipe_screen *screen = rb_screen->screen;
 222    struct pipe_resource *resource = rb_resource->resource;
 223
 224    screen->flush_frontbuffer(screen,
 225                              resource,
 226                              level, layer,
 227                              context_private, sub_box);
 228 }
 229
 230 static void
 231 rbug_screen_fence_reference(struct pipe_screen *_screen,
 232                             struct pipe_fence_handle **ptr,
 233                             struct pipe_fence_handle *fence)
 234 {
 235    struct rbug_screen *rb_screen = rbug_screen(_screen);
 236    struct pipe_screen *screen = rb_screen->screen;
 237
 238    screen->fence_reference(screen,
 239                            ptr,
 240                            fence);
 241 }
 242
 243 static boolean
 244 rbug_screen_fence_finish(struct pipe_screen *_screen,
 245                          struct pipe_context *_ctx,
 246                          struct pipe_fence_handle *fence,
 247                          uint64_t timeout)
 248 {
 249    struct rbug_screen *rb_screen = rbug_screen(_screen);
 250    struct pipe_screen *screen = rb_screen->screen;
 251    struct pipe_context *ctx = _ctx ? rbug_context(_ctx)->pipe : NULL;
 252
 253    return screen->fence_finish(screen, ctx, fence, timeout);
 254 }
 255
 256 boolean
 257 rbug_enabled()
 258 {
 259    return debug_get_option_rbug();
 260 }
 261
 262 struct pipe_screen *
 263 rbug_screen_create(struct pipe_screen *screen)
 264 {
 265    struct rbug_screen *rb_screen;
 266
 267    if (!debug_get_option_rbug())
 268       return screen;
 269
 270    rb_screen = CALLOC_STRUCT(rbug_screen);
 271    if (!rb_screen)
 272       return screen;
 273
 274    pipe_mutex_init(rb_screen->list_mutex);
 275    make_empty_list(&rb_screen->contexts);
 276    make_empty_list(&rb_screen->resources);
 277    make_empty_list(&rb_screen->surfaces);
 278    make_empty_list(&rb_screen->transfers);
 279
 280 #define SCR_INIT(_member) \
 281    rb_screen->base._member = screen->_member ? rbug_screen_##_member : NULL
 282
 283    rb_screen->base.destroy = rbug_screen_destroy;
 284    rb_screen->base.get_name = rbug_screen_get_name;
 285    rb_screen->base.get_vendor = rbug_screen_get_vendor;
 286    rb_screen->base.get_device_vendor = rbug_screen_get_device_vendor;
 287    rb_screen->base.get_param = rbug_screen_get_param;
 288    rb_screen->base.get_shader_param = rbug_screen_get_shader_param;
 289    rb_screen->base.get_paramf = rbug_screen_get_paramf;
 290    rb_screen->base.is_format_supported = rbug_screen_is_format_supported;
 291    rb_screen->base.context_create = rbug_screen_context_create;
 292    rb_screen->base.resource_create = rbug_screen_resource_create;
 293    rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
 294    rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
 295    SCR_INIT(resource_changed);
 296    rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
 297    rb_screen->base.flush_frontbuffer = rbug_screen_flush_frontbuffer;
 298    rb_screen->base.fence_reference = rbug_screen_fence_reference;
 299    rb_screen->base.fence_finish = rbug_screen_fence_finish;
 300
 301    rb_screen->screen = screen;
 302
 303    rb_screen->private_context = screen->context_create(screen, NULL, 0);
 304    if (!rb_screen->private_context)
 305       goto err_free;
 306
 307    rb_screen->rbug = rbug_start(rb_screen);
 308
 309    if (!rb_screen->rbug)
 310       goto err_context;
 311
 312    return &rb_screen->base;
 313
 314 err_context:
 315    rb_screen->private_context->destroy(rb_screen->private_context);
 316 err_free:
 317    FREE(rb_screen);
 318    return screen;
 319 }