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 {
 111    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 112    struct pipe_screen *screen = glhd_screen->screen;
 113
 114    if (target >= PIPE_MAX_TEXTURE_TYPES) {
 115       glhd_warn("Received bogus texture target %d", target);
 116    }
 117
 118    return screen->is_format_supported(screen,
 119                                       format,
 120                                       target,
 121                                       sample_count,
 122                                       tex_usage);
 123 }
 124
 125 static struct pipe_context *
 126 galahad_screen_context_create(struct pipe_screen *_screen,
 127                                void *priv)
 128 {
 129    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 130    struct pipe_screen *screen = glhd_screen->screen;
 131    struct pipe_context *result;
 132
 133    result = screen->context_create(screen, priv);
 134    if (result)
 135       return galahad_context_create(_screen, result);
 136    return NULL;
 137 }
 138
 139 static struct pipe_resource *
 140 galahad_screen_resource_create(struct pipe_screen *_screen,
 141                                 const struct pipe_resource *templat)
 142 {
 143    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 144    struct pipe_screen *screen = glhd_screen->screen;
 145    struct pipe_resource *result;
 146
 147    if (templat->target >= PIPE_MAX_TEXTURE_TYPES)
 148       glhd_warn("Received bogus resource target %d", templat->target);
 149
 150    if(templat->target != PIPE_TEXTURE_RECT && templat->target != PIPE_BUFFER && !screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES))
 151    {
 152       if(!util_is_power_of_two(templat->width0) || !util_is_power_of_two(templat->height0))
 153          glhd_warn("Requested NPOT (%ux%u) non-rectangle texture without NPOT support", templat->width0, templat->height0);
 154    }
 155
 156    if(templat->target == PIPE_TEXTURE_RECT && templat->last_level)
 157       glhd_warn("Rectangle textures cannot have mipmaps, but last_level = %u", templat->last_level);
 158
 159    if(templat->target == PIPE_BUFFER && templat->last_level)
 160       glhd_warn("Buffers cannot have mipmaps, but last_level = %u", templat->last_level);
 161
 162    if(templat->target != PIPE_TEXTURE_3D && templat->depth0 != 1)
 163       glhd_warn("Only 3D textures can have depth != 1, but received target %u and depth %u", templat->target, templat->depth0);
 164
 165    if(templat->target == PIPE_TEXTURE_1D && templat->height0 != 1)
 166      glhd_warn("1D textures must have height 1 but got asked for height %u", templat->height0);
 167
 168    if(templat->target == PIPE_BUFFER && templat->height0 != 1)
 169      glhd_warn("Buffers must have height 1 but got asked for height %u", templat->height0);
 170
 171    if(templat->target == PIPE_TEXTURE_CUBE && templat->width0 != templat->height0)
 172       glhd_warn("Cube maps must be square, but got asked for %ux%u", templat->width0, templat->height0);
 173
 174    result = screen->resource_create(screen,
 175                                     templat);
 176
 177    if (result)
 178       return galahad_resource_create(glhd_screen, result);
 179    return NULL;
 180 }
 181
 182 static struct pipe_resource *
 183 galahad_screen_resource_from_handle(struct pipe_screen *_screen,
 184                                      const struct pipe_resource *templ,
 185                                      struct winsys_handle *handle)
 186 {
 187    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 188    struct pipe_screen *screen = glhd_screen->screen;
 189    struct pipe_resource *result;
 190
 191    /* TODO trace call */
 192
 193    result = screen->resource_from_handle(screen, templ, handle);
 194
 195    result = galahad_resource_create(galahad_screen(_screen), result);
 196
 197    return result;
 198 }
 199
 200 static boolean
 201 galahad_screen_resource_get_handle(struct pipe_screen *_screen,
 202                                     struct pipe_resource *_resource,
 203                                     struct winsys_handle *handle)
 204 {
 205    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 206    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 207    struct pipe_screen *screen = glhd_screen->screen;
 208    struct pipe_resource *resource = glhd_resource->resource;
 209
 210    /* TODO trace call */
 211
 212    return screen->resource_get_handle(screen, resource, handle);
 213 }
 214
 215
 216
 217 static void
 218 galahad_screen_resource_destroy(struct pipe_screen *screen,
 219                                  struct pipe_resource *_resource)
 220 {
 221    galahad_resource_destroy(galahad_resource(_resource));
 222 }
 223
 224
 225 static struct pipe_resource *
 226 galahad_screen_user_buffer_create(struct pipe_screen *_screen,
 227                                    void *ptr,
 228                                    unsigned bytes,
 229                                    unsigned usage)
 230 {
 231    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 232    struct pipe_screen *screen = glhd_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 galahad_resource_create(glhd_screen, result);
 242    return NULL;
 243 }
 244
 245
 246
 247 static void
 248 galahad_screen_flush_frontbuffer(struct pipe_screen *_screen,
 249                                   struct pipe_resource *_resource,
 250                                   unsigned level, unsigned layer,
 251                                   void *context_private)
 252 {
 253    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 254    struct galahad_resource *glhd_resource = galahad_resource(_resource);
 255    struct pipe_screen *screen = glhd_screen->screen;
 256    struct pipe_resource *resource = glhd_resource->resource;
 257
 258    screen->flush_frontbuffer(screen,
 259                              resource,
 260                              level, layer,
 261                              context_private);
 262 }
 263
 264 static void
 265 galahad_screen_fence_reference(struct pipe_screen *_screen,
 266                                 struct pipe_fence_handle **ptr,
 267                                 struct pipe_fence_handle *fence)
 268 {
 269    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 270    struct pipe_screen *screen = glhd_screen->screen;
 271
 272    screen->fence_reference(screen,
 273                            ptr,
 274                            fence);
 275 }
 276
 277 static boolean
 278 galahad_screen_fence_signalled(struct pipe_screen *_screen,
 279                                 struct pipe_fence_handle *fence)
 280 {
 281    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 282    struct pipe_screen *screen = glhd_screen->screen;
 283
 284    return screen->fence_signalled(screen,
 285                                   fence);
 286 }
 287
 288 static boolean
 289 galahad_screen_fence_finish(struct pipe_screen *_screen,
 290                              struct pipe_fence_handle *fence,
 291                              uint64_t timeout)
 292 {
 293    struct galahad_screen *glhd_screen = galahad_screen(_screen);
 294    struct pipe_screen *screen = glhd_screen->screen;
 295
 296    return screen->fence_finish(screen,
 297                                fence,
 298                                timeout);
 299 }
 300
 301 struct pipe_screen *
 302 galahad_screen_create(struct pipe_screen *screen)
 303 {
 304    struct galahad_screen *glhd_screen;
 305
 306    if (!debug_get_option_galahad())
 307       return screen;
 308
 309    glhd_screen = CALLOC_STRUCT(galahad_screen);
 310    if (!glhd_screen) {
 311       return screen;
 312    }
 313
 314    glhd_screen->base.winsys = NULL;
 315
 316    glhd_screen->base.destroy = galahad_screen_destroy;
 317    glhd_screen->base.get_name = galahad_screen_get_name;
 318    glhd_screen->base.get_vendor = galahad_screen_get_vendor;
 319    glhd_screen->base.get_param = galahad_screen_get_param;
 320    glhd_screen->base.get_shader_param = galahad_screen_get_shader_param;
 321    glhd_screen->base.get_paramf = galahad_screen_get_paramf;
 322    glhd_screen->base.is_format_supported = galahad_screen_is_format_supported;
 323    glhd_screen->base.context_create = galahad_screen_context_create;
 324    glhd_screen->base.resource_create = galahad_screen_resource_create;
 325    glhd_screen->base.resource_from_handle = galahad_screen_resource_from_handle;
 326    glhd_screen->base.resource_get_handle = galahad_screen_resource_get_handle;
 327    glhd_screen->base.resource_destroy = galahad_screen_resource_destroy;
 328    glhd_screen->base.user_buffer_create = galahad_screen_user_buffer_create;
 329    glhd_screen->base.flush_frontbuffer = galahad_screen_flush_frontbuffer;
 330    glhd_screen->base.fence_reference = galahad_screen_fence_reference;
 331    glhd_screen->base.fence_signalled = galahad_screen_fence_signalled;
 332    glhd_screen->base.fence_finish = galahad_screen_fence_finish;
 333
 334    glhd_screen->screen = screen;
 335
 336    glhd_warn("Created screen %p", (void *) glhd_screen);
 337
 338    return &glhd_screen->base;
 339 }