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 int
  83 galahad_screen_get_shader_param(struct pipe_screen *_screen,
  84                           unsigned shader, enum pipe_shader_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_shader_param(screen, shader,
  90                             param);
  91 }
  92
  93 static float
  94 galahad_screen_get_paramf(struct pipe_screen *_screen,
  95                            enum pipe_cap param)
  96 {
  97    struct galahad_screen *glhd_screen = galahad_screen(_screen);
  98    struct pipe_screen *screen = glhd_screen->screen;
  99
 100    return screen->get_paramf(screen,
 101                              param);
 102 }
 103
 104 static boolean
 105 galahad_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 galahad_screen *glhd_screen = galahad_screen(_screen);
 113    struct pipe_screen *screen = glhd_screen->screen;
 114
 115    if (target >= PIPE_MAX_TEXTURE_TYPES) {
 116       glhd_warn("Received bogus texture target %d", target);
 117    }
 118
 119    return screen->is_format_supported(screen,
 120                                       format,
 121                                       target,
 122                                       sample_count,
 123                                       tex_usage,
 124                                       geom_flags);
 125 }
 126
 127 static struct pipe_context *
 128 galahad_screen_context_create(struct pipe_screen *_screen,
 129                                void *priv)
 130 {
 131    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 132    struct pipe_screen *screen = glhd_screen->screen;
 133    struct pipe_context *result;
 134
 135    result = screen->context_create(screen, priv);
 136    if (result)
 137       return galahad_context_create(_screen, result);
 138    return NULL;
 139 }
 140
 141 static struct pipe_resource *
 142 galahad_screen_resource_create(struct pipe_screen *_screen,
 143                                 const struct pipe_resource *templat)
 144 {
 145    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 146    struct pipe_screen *screen = glhd_screen->screen;
 147    struct pipe_resource *result;
 148
 149    if (templat->target >= PIPE_MAX_TEXTURE_TYPES)
 150       glhd_warn("Received bogus resource target %d", templat->target);
 151
 152    if(templat->target != PIPE_TEXTURE_RECT && templat->target != PIPE_BUFFER && !screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES))
 153    {
 154       if(!util_is_power_of_two(templat->width0) || !util_is_power_of_two(templat->height0))
 155          glhd_warn("Requested NPOT (%ux%u) non-rectangle texture without NPOT support", templat->width0, templat->height0);
 156    }
 157
 158    if(templat->target == PIPE_TEXTURE_RECT && templat->last_level)
 159       glhd_warn("Rectangle textures cannot have mipmaps, but last_level = %u", templat->last_level);
 160
 161    if(templat->target == PIPE_BUFFER && templat->last_level)
 162       glhd_warn("Buffers cannot have mipmaps, but last_level = %u", templat->last_level);
 163
 164    if(templat->target != PIPE_TEXTURE_3D && templat->depth0 != 1)
 165       glhd_warn("Only 3D textures can have depth != 1, but received target %u and depth %u", templat->target, templat->depth0);
 166
 167    if(templat->target == PIPE_TEXTURE_1D && templat->height0 != 1)
 168      glhd_warn("1D textures must have height 1 but got asked for height %u", templat->height0);
 169
 170    if(templat->target == PIPE_BUFFER && templat->height0 != 1)
 171      glhd_warn("Buffers must have height 1 but got asked for height %u", templat->height0);
 172
 173    if(templat->target == PIPE_TEXTURE_CUBE && templat->width0 != templat->height0)
 174       glhd_warn("Cube maps must be square, but got asked for %ux%u", templat->width0, templat->height0);
 175
 176    result = screen->resource_create(screen,
 177                                     templat);
 178
 179    if (result)
 180       return galahad_resource_create(glhd_screen, result);
 181    return NULL;
 182 }
 183
 184 static struct pipe_resource *
 185 galahad_screen_resource_from_handle(struct pipe_screen *_screen,
 186                                      const struct pipe_resource *templ,
 187                                      struct winsys_handle *handle)
 188 {
 189    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 190    struct pipe_screen *screen = glhd_screen->screen;
 191    struct pipe_resource *result;
 192
 193    /* TODO trace call */
 194
 195    result = screen->resource_from_handle(screen, templ, handle);
 196
 197    result = galahad_resource_create(galahad_screen(_screen), result);
 198
 199    return result;
 200 }
 201
 202 static boolean
 203 galahad_screen_resource_get_handle(struct pipe_screen *_screen,
 204                                     struct pipe_resource *_resource,
 205                                     struct winsys_handle *handle)
 206 {
 207    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 208    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 209    struct pipe_screen *screen = glhd_screen->screen;
 210    struct pipe_resource *resource = glhd_resource->resource;
 211
 212    /* TODO trace call */
 213
 214    return screen->resource_get_handle(screen, resource, handle);
 215 }
 216
 217
 218
 219 static void
 220 galahad_screen_resource_destroy(struct pipe_screen *screen,
 221                                  struct pipe_resource *_resource)
 222 {
 223    galahad_resource_destroy(galahad_resource(_resource));
 224 }
 225
 226 static struct pipe_surface *
 227 galahad_screen_get_tex_surface(struct pipe_screen *_screen,
 228                                 struct pipe_resource *_resource,
 229                                 unsigned face,
 230                                 unsigned level,
 231                                 unsigned zslice,
 232                                 unsigned usage)
 233 {
 234    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 235    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 236    struct pipe_screen *screen = glhd_screen->screen;
 237    struct pipe_resource *resource = glhd_resource->resource;
 238    struct pipe_surface *result;
 239
 240    result = screen->get_tex_surface(screen,
 241                                     resource,
 242                                     face,
 243                                     level,
 244                                     zslice,
 245                                     usage);
 246
 247    if (result)
 248       return galahad_surface_create(glhd_resource, result);
 249    return NULL;
 250 }
 251
 252 static void
 253 galahad_screen_tex_surface_destroy(struct pipe_surface *_surface)
 254 {
 255    galahad_surface_destroy(galahad_surface(_surface));
 256 }
 257
 258
 259
 260 static struct pipe_resource *
 261 galahad_screen_user_buffer_create(struct pipe_screen *_screen,
 262                                    void *ptr,
 263                                    unsigned bytes,
 264                                    unsigned usage)
 265 {
 266    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 267    struct pipe_screen *screen = glhd_screen->screen;
 268    struct pipe_resource *result;
 269
 270    result = screen->user_buffer_create(screen,
 271                                        ptr,
 272                                        bytes,
 273                                        usage);
 274
 275    if (result)
 276       return galahad_resource_create(glhd_screen, result);
 277    return NULL;
 278 }
 279
 280
 281
 282 static void
 283 galahad_screen_flush_frontbuffer(struct pipe_screen *_screen,
 284                                   struct pipe_surface *_surface,
 285                                   void *context_private)
 286 {
 287    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 288    struct galahad_surface *glhd_surface = galahad_surface(_surface);
 289    struct pipe_screen *screen = glhd_screen->screen;
 290    struct pipe_surface *surface = glhd_surface->surface;
 291
 292    screen->flush_frontbuffer(screen,
 293                              surface,
 294                              context_private);
 295 }
 296
 297 static void
 298 galahad_screen_fence_reference(struct pipe_screen *_screen,
 299                                 struct pipe_fence_handle **ptr,
 300                                 struct pipe_fence_handle *fence)
 301 {
 302    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 303    struct pipe_screen *screen = glhd_screen->screen;
 304
 305    screen->fence_reference(screen,
 306                            ptr,
 307                            fence);
 308 }
 309
 310 static int
 311 galahad_screen_fence_signalled(struct pipe_screen *_screen,
 312                                 struct pipe_fence_handle *fence,
 313                                 unsigned flags)
 314 {
 315    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 316    struct pipe_screen *screen = glhd_screen->screen;
 317
 318    return screen->fence_signalled(screen,
 319                                   fence,
 320                                   flags);
 321 }
 322
 323 static int
 324 galahad_screen_fence_finish(struct pipe_screen *_screen,
 325                              struct pipe_fence_handle *fence,
 326                              unsigned flags)
 327 {
 328    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 329    struct pipe_screen *screen = glhd_screen->screen;
 330
 331    return screen->fence_finish(screen,
 332                                fence,
 333                                flags);
 334 }
 335
 336 struct pipe_screen *
 337 galahad_screen_create(struct pipe_screen *screen)
 338 {
 339    struct galahad_screen *glhd_screen;
 340
 341    if (!debug_get_option_galahad())
 342       return screen;
 343
 344    glhd_screen = CALLOC_STRUCT(galahad_screen);
 345    if (!glhd_screen) {
 346       return screen;
 347    }
 348
 349    glhd_screen->base.winsys = NULL;
 350
 351    glhd_screen->base.destroy = galahad_screen_destroy;
 352    glhd_screen->base.get_name = galahad_screen_get_name;
 353    glhd_screen->base.get_vendor = galahad_screen_get_vendor;
 354    glhd_screen->base.get_param = galahad_screen_get_param;
 355    glhd_screen->base.get_shader_param = galahad_screen_get_shader_param;
 356    glhd_screen->base.get_paramf = galahad_screen_get_paramf;
 357    glhd_screen->base.is_format_supported = galahad_screen_is_format_supported;
 358    glhd_screen->base.context_create = galahad_screen_context_create;
 359    glhd_screen->base.resource_create = galahad_screen_resource_create;
 360    glhd_screen->base.resource_from_handle = galahad_screen_resource_from_handle;
 361    glhd_screen->base.resource_get_handle = galahad_screen_resource_get_handle;
 362    glhd_screen->base.resource_destroy = galahad_screen_resource_destroy;
 363    glhd_screen->base.get_tex_surface = galahad_screen_get_tex_surface;
 364    glhd_screen->base.tex_surface_destroy = galahad_screen_tex_surface_destroy;
 365    glhd_screen->base.user_buffer_create = galahad_screen_user_buffer_create;
 366    glhd_screen->base.flush_frontbuffer = galahad_screen_flush_frontbuffer;
 367    glhd_screen->base.fence_reference = galahad_screen_fence_reference;
 368    glhd_screen->base.fence_signalled = galahad_screen_fence_signalled;
 369    glhd_screen->base.fence_finish = galahad_screen_fence_finish;
 370
 371    glhd_screen->screen = screen;
 372
 373    glhd_warn("Created screen %p", glhd_screen);
 374
 375    return &glhd_screen->base;
 376 }