src/gallium/drivers/galahad/glhd_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * 2010 Corbin Simpson <MostAwesomeDude@gmail.com>
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29
  30 #include "pipe/p_screen.h"
  31 #include "pipe/p_state.h"
  32 #include "util/u_memory.h"
  33 #include "util/u_math.h"
  34
  35 #include "glhd_public.h"
  36 #include "glhd_screen.h"
  37 #include "glhd_context.h"
  38 #include "glhd_objects.h"
  39
  40 DEBUG_GET_ONCE_BOOL_OPTION(galahad, "GALLIUM_GALAHAD", FALSE)
  41
  42 static void
  43 galahad_screen_destroy(struct pipe_screen *_screen)
  44 {
  45    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  46    struct pipe_screen *screen = glhd_screen->screen;
  47
  48    screen->destroy(screen);
  49
  50    FREE(glhd_screen);
  51 }
  52
  53 static const char *
  54 galahad_screen_get_name(struct pipe_screen *_screen)
  55 {
  56    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  57    struct pipe_screen *screen = glhd_screen->screen;
  58
  59    return screen->get_name(screen);
  60 }
  61
  62 static const char *
  63 galahad_screen_get_vendor(struct pipe_screen *_screen)
  64 {
  65    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  66    struct pipe_screen *screen = glhd_screen->screen;
  67
  68    return screen->get_vendor(screen);
  69 }
  70
  71 static int
  72 galahad_screen_get_param(struct pipe_screen *_screen,
  73                           enum pipe_cap param)
  74 {
  75    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  76    struct pipe_screen *screen = glhd_screen->screen;
  77
  78    return screen->get_param(screen,
  79                             param);
  80 }
  81
  82 static float
  83 galahad_screen_get_paramf(struct pipe_screen *_screen,
  84                            enum pipe_cap param)
  85 {
  86    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  87    struct pipe_screen *screen = glhd_screen->screen;
  88
  89    return screen->get_paramf(screen,
  90                              param);
  91 }
  92
  93 static boolean
  94 galahad_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 galahad_screen *glhd_screen = galahad_screen(_screen);
 102    struct pipe_screen *screen = glhd_screen->screen;
 103
 104    if (target >= PIPE_MAX_TEXTURE_TYPES) {
 105       glhd_warn("Received bogus texture target %d", target);
 106    }
 107
 108    return screen->is_format_supported(screen,
 109                                       format,
 110                                       target,
 111                                       sample_count,
 112                                       tex_usage,
 113                                       geom_flags);
 114 }
 115
 116 static struct pipe_context *
 117 galahad_screen_context_create(struct pipe_screen *_screen,
 118                                void *priv)
 119 {
 120    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 121    struct pipe_screen *screen = glhd_screen->screen;
 122    struct pipe_context *result;
 123
 124    result = screen->context_create(screen, priv);
 125    if (result)
 126       return galahad_context_create(_screen, result);
 127    return NULL;
 128 }
 129
 130 static struct pipe_resource *
 131 galahad_screen_resource_create(struct pipe_screen *_screen,
 132                                 const struct pipe_resource *templat)
 133 {
 134    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 135    struct pipe_screen *screen = glhd_screen->screen;
 136    struct pipe_resource *result;
 137
 138    if (templat->target >= PIPE_MAX_TEXTURE_TYPES)
 139       glhd_warn("Received bogus resource target %d", templat->target);
 140
 141    if(templat->target != PIPE_TEXTURE_RECT && templat->target != PIPE_BUFFER && !screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES))
 142    {
 143       if(!util_is_pot(templat->width0) || !util_is_pot(templat->height0))
 144          glhd_warn("Requested NPOT (%ux%u) non-rectangle texture without NPOT support", templat->width0, templat->height0);
 145    }
 146
 147    /* TODO: allow this for OpenCL flexible sampling */
 148    if(templat->target == PIPE_TEXTURE_RECT && templat->last_level)
 149       glhd_warn("Rectangle textures cannot have mipmaps, but last_level = %u", templat->last_level);
 150
 151    if(templat->target == PIPE_BUFFER && templat->last_level)
 152       glhd_warn("Buffers cannot have mipmaps, but last_level = %u", templat->last_level);
 153
 154    if(templat->target != PIPE_TEXTURE_3D && templat->depth0 != 1)
 155       glhd_warn("Only 3D textures can have depth != 1, but received target %u and depth %u", templat->target, templat->depth0);
 156
 157    if(templat->target == PIPE_TEXTURE_1D && templat->height0 != 1)
 158      glhd_warn("1D textures must have height 1 but got asked for height %u", templat->height0);
 159
 160    if(templat->target == PIPE_BUFFER && templat->height0 != 1)
 161      glhd_warn("Buffers must have height 1 but got asked for height %u", templat->height0);
 162
 163    if(templat->target == PIPE_TEXTURE_CUBE && templat->width0 != templat->height0)
 164       glhd_warn("Cube maps must be square, but got asked for %ux%u", templat->width0, templat->height0);
 165
 166    result = screen->resource_create(screen,
 167                                     templat);
 168
 169    if (result)
 170       return galahad_resource_create(glhd_screen, result);
 171    return NULL;
 172 }
 173
 174 static struct pipe_resource *
 175 galahad_screen_resource_from_handle(struct pipe_screen *_screen,
 176                                      const struct pipe_resource *templ,
 177                                      struct winsys_handle *handle)
 178 {
 179    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 180    struct pipe_screen *screen = glhd_screen->screen;
 181    struct pipe_resource *result;
 182
 183    /* TODO trace call */
 184
 185    result = screen->resource_from_handle(screen, templ, handle);
 186
 187    result = galahad_resource_create(galahad_screen(_screen), result);
 188
 189    return result;
 190 }
 191
 192 static boolean
 193 galahad_screen_resource_get_handle(struct pipe_screen *_screen,
 194                                     struct pipe_resource *_resource,
 195                                     struct winsys_handle *handle)
 196 {
 197    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 198    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 199    struct pipe_screen *screen = glhd_screen->screen;
 200    struct pipe_resource *resource = glhd_resource->resource;
 201
 202    /* TODO trace call */
 203
 204    return screen->resource_get_handle(screen, resource, handle);
 205 }
 206
 207
 208
 209 static void
 210 galahad_screen_resource_destroy(struct pipe_screen *screen,
 211                                  struct pipe_resource *_resource)
 212 {
 213    galahad_resource_destroy(galahad_resource(_resource));
 214 }
 215
 216 static struct pipe_surface *
 217 galahad_screen_get_tex_surface(struct pipe_screen *_screen,
 218                                 struct pipe_resource *_resource,
 219                                 unsigned face,
 220                                 unsigned level,
 221                                 unsigned zslice,
 222                                 unsigned usage)
 223 {
 224    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 225    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 226    struct pipe_screen *screen = glhd_screen->screen;
 227    struct pipe_resource *resource = glhd_resource->resource;
 228    struct pipe_surface *result;
 229
 230    result = screen->get_tex_surface(screen,
 231                                     resource,
 232                                     face,
 233                                     level,
 234                                     zslice,
 235                                     usage);
 236
 237    if (result)
 238       return galahad_surface_create(glhd_resource, result);
 239    return NULL;
 240 }
 241
 242 static void
 243 galahad_screen_tex_surface_destroy(struct pipe_surface *_surface)
 244 {
 245    galahad_surface_destroy(galahad_surface(_surface));
 246 }
 247
 248
 249
 250 static struct pipe_resource *
 251 galahad_screen_user_buffer_create(struct pipe_screen *_screen,
 252                                    void *ptr,
 253                                    unsigned bytes,
 254                                    unsigned usage)
 255 {
 256    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 257    struct pipe_screen *screen = glhd_screen->screen;
 258    struct pipe_resource *result;
 259
 260    result = screen->user_buffer_create(screen,
 261                                        ptr,
 262                                        bytes,
 263                                        usage);
 264
 265    if (result)
 266       return galahad_resource_create(glhd_screen, result);
 267    return NULL;
 268 }
 269
 270
 271
 272 static void
 273 galahad_screen_flush_frontbuffer(struct pipe_screen *_screen,
 274                                   struct pipe_surface *_surface,
 275                                   void *context_private)
 276 {
 277    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 278    struct galahad_surface *glhd_surface = galahad_surface(_surface);
 279    struct pipe_screen *screen = glhd_screen->screen;
 280    struct pipe_surface *surface = glhd_surface->surface;
 281
 282    screen->flush_frontbuffer(screen,
 283                              surface,
 284                              context_private);
 285 }
 286
 287 static void
 288 galahad_screen_fence_reference(struct pipe_screen *_screen,
 289                                 struct pipe_fence_handle **ptr,
 290                                 struct pipe_fence_handle *fence)
 291 {
 292    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 293    struct pipe_screen *screen = glhd_screen->screen;
 294
 295    screen->fence_reference(screen,
 296                            ptr,
 297                            fence);
 298 }
 299
 300 static int
 301 galahad_screen_fence_signalled(struct pipe_screen *_screen,
 302                                 struct pipe_fence_handle *fence,
 303                                 unsigned flags)
 304 {
 305    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 306    struct pipe_screen *screen = glhd_screen->screen;
 307
 308    return screen->fence_signalled(screen,
 309                                   fence,
 310                                   flags);
 311 }
 312
 313 static int
 314 galahad_screen_fence_finish(struct pipe_screen *_screen,
 315                              struct pipe_fence_handle *fence,
 316                              unsigned flags)
 317 {
 318    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 319    struct pipe_screen *screen = glhd_screen->screen;
 320
 321    return screen->fence_finish(screen,
 322                                fence,
 323                                flags);
 324 }
 325
 326 struct pipe_screen *
 327 galahad_screen_create(struct pipe_screen *screen)
 328 {
 329    struct galahad_screen *glhd_screen;
 330
 331    if (!debug_get_option_galahad())
 332       return screen;
 333
 334    glhd_screen = CALLOC_STRUCT(galahad_screen);
 335    if (!glhd_screen) {
 336       return screen;
 337    }
 338
 339    glhd_screen->base.winsys = NULL;
 340
 341    glhd_screen->base.destroy = galahad_screen_destroy;
 342    glhd_screen->base.get_name = galahad_screen_get_name;
 343    glhd_screen->base.get_vendor = galahad_screen_get_vendor;
 344    glhd_screen->base.get_param = galahad_screen_get_param;
 345    glhd_screen->base.get_paramf = galahad_screen_get_paramf;
 346    glhd_screen->base.is_format_supported = galahad_screen_is_format_supported;
 347    glhd_screen->base.context_create = galahad_screen_context_create;
 348    glhd_screen->base.resource_create = galahad_screen_resource_create;
 349    glhd_screen->base.resource_from_handle = galahad_screen_resource_from_handle;
 350    glhd_screen->base.resource_get_handle = galahad_screen_resource_get_handle;
 351    glhd_screen->base.resource_destroy = galahad_screen_resource_destroy;
 352    glhd_screen->base.get_tex_surface = galahad_screen_get_tex_surface;
 353    glhd_screen->base.tex_surface_destroy = galahad_screen_tex_surface_destroy;
 354    glhd_screen->base.user_buffer_create = galahad_screen_user_buffer_create;
 355    glhd_screen->base.flush_frontbuffer = galahad_screen_flush_frontbuffer;
 356    glhd_screen->base.fence_reference = galahad_screen_fence_reference;
 357    glhd_screen->base.fence_signalled = galahad_screen_fence_signalled;
 358    glhd_screen->base.fence_finish = galahad_screen_fence_finish;
 359
 360    glhd_screen->screen = screen;
 361
 362    glhd_warn("Created screen %p", glhd_screen);
 363
 364    return &glhd_screen->base;
 365 }