gralloc_drm_pipe.c

   1 /*
   2  * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
   3  * Copyright (C) 2010-2011 LunarG Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included
  13  * in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #define LOG_TAG "GRALLOC-PIPE"
  25
  26 #include <cutils/log.h>
  27 #include <errno.h>
  28
  29 #include <pipe/p_screen.h>
  30 #include <pipe/p_context.h>
  31 #include <state_tracker/drm_driver.h>
  32 #include <util/u_inlines.h>
  33 #include <util/u_memory.h>
  34
  35 #include "gralloc_drm.h"
  36 #include "gralloc_drm_priv.h"
  37
  38 struct pipe_manager {
  39         struct gralloc_drm_drv_t base;
  40
  41         int fd;
  42         char driver[16];
  43         pthread_mutex_t mutex;
  44         struct pipe_screen *screen;
  45         struct pipe_context *context;
  46 };
  47
  48 struct pipe_buffer {
  49         struct gralloc_drm_bo_t base;
  50
  51         struct pipe_resource *resource;
  52         struct winsys_handle winsys;
  53
  54         struct pipe_transfer *transfer;
  55 };
  56
  57 static enum pipe_format get_pipe_format(int format)
  58 {
  59         enum pipe_format fmt;
  60
  61         switch (format) {
  62         case HAL_PIXEL_FORMAT_RGBA_8888:
  63                 fmt = PIPE_FORMAT_R8G8B8A8_UNORM;
  64                 break;
  65         case HAL_PIXEL_FORMAT_RGBX_8888:
  66                 fmt = PIPE_FORMAT_R8G8B8X8_UNORM;
  67                 break;
  68         case HAL_PIXEL_FORMAT_RGB_888:
  69                 fmt = PIPE_FORMAT_R8G8B8_UNORM;
  70                 break;
  71         case HAL_PIXEL_FORMAT_RGB_565:
  72                 fmt = PIPE_FORMAT_B5G6R5_UNORM;
  73                 break;
  74         case HAL_PIXEL_FORMAT_BGRA_8888:
  75                 fmt = PIPE_FORMAT_B8G8R8A8_UNORM;
  76                 break;
  77         case HAL_PIXEL_FORMAT_RGBA_5551:
  78         case HAL_PIXEL_FORMAT_RGBA_4444:
  79         case HAL_PIXEL_FORMAT_YV12:
  80         case HAL_PIXEL_FORMAT_DRM_NV12:
  81         case HAL_PIXEL_FORMAT_YCbCr_422_SP:
  82         case HAL_PIXEL_FORMAT_YCrCb_420_SP:
  83         default:
  84                 fmt = PIPE_FORMAT_NONE;
  85                 break;
  86         }
  87
  88         return fmt;
  89 }
  90
  91 static unsigned get_pipe_bind(int usage)
  92 {
  93         unsigned bind = PIPE_BIND_SHARED;
  94
  95         if (usage & GRALLOC_USAGE_SW_READ_MASK)
  96                 bind |= PIPE_BIND_TRANSFER_READ;
  97         if (usage & GRALLOC_USAGE_SW_WRITE_MASK)
  98                 bind |= PIPE_BIND_TRANSFER_WRITE;
  99
 100         if (usage & GRALLOC_USAGE_HW_TEXTURE)
 101                 bind |= PIPE_BIND_SAMPLER_VIEW;
 102         if (usage & GRALLOC_USAGE_HW_RENDER)
 103                 bind |= PIPE_BIND_RENDER_TARGET;
 104         if (usage & GRALLOC_USAGE_HW_FB) {
 105                 bind |= PIPE_BIND_RENDER_TARGET;
 106                 bind |= PIPE_BIND_SCANOUT;
 107         }
 108
 109         return bind;
 110 }
 111
 112 static struct pipe_buffer *get_pipe_buffer_locked(struct pipe_manager *pm,
 113                 const struct gralloc_drm_handle_t *handle)
 114 {
 115         struct pipe_buffer *buf;
 116         struct pipe_resource templ;
 117
 118         memset(&templ, 0, sizeof(templ));
 119         templ.format = get_pipe_format(handle->format);
 120         templ.bind = get_pipe_bind(handle->usage);
 121         templ.target = PIPE_TEXTURE_2D;
 122
 123         if (templ.format == PIPE_FORMAT_NONE ||
 124             !pm->screen->is_format_supported(pm->screen, templ.format,
 125                                 templ.target, 0, templ.bind)) {
 126                 ALOGE("unsupported format 0x%x", handle->format);
 127                 return NULL;
 128         }
 129
 130         buf = CALLOC(1, sizeof(*buf));
 131         if (!buf) {
 132                 ALOGE("failed to allocate pipe buffer");
 133                 return NULL;
 134         }
 135
 136         templ.width0 = handle->width;
 137         templ.height0 = handle->height;
 138         templ.depth0 = 1;
 139         templ.array_size = 1;
 140
 141         if (handle->name) {
 142                 buf->winsys.type = DRM_API_HANDLE_TYPE_SHARED;
 143                 buf->winsys.handle = handle->name;
 144                 buf->winsys.stride = handle->stride;
 145
 146                 buf->resource = pm->screen->resource_from_handle(pm->screen,
 147                                 &templ, &buf->winsys);
 148                 if (!buf->resource)
 149                         goto fail;
 150         }
 151         else {
 152                 buf->resource =
 153                         pm->screen->resource_create(pm->screen, &templ);
 154                 if (!buf->resource)
 155                         goto fail;
 156
 157                 buf->winsys.type = DRM_API_HANDLE_TYPE_SHARED;
 158                 if (!pm->screen->resource_get_handle(pm->screen,
 159                                         buf->resource, &buf->winsys))
 160                         goto fail;
 161         }
 162
 163         /* need the gem handle for fb */
 164         if (handle->usage & GRALLOC_USAGE_HW_FB) {
 165                 struct winsys_handle tmp;
 166
 167                 memset(&tmp, 0, sizeof(tmp));
 168                 tmp.type = DRM_API_HANDLE_TYPE_KMS;
 169                 if (!pm->screen->resource_get_handle(pm->screen,
 170                                         buf->resource, &tmp))
 171                         goto fail;
 172
 173                 buf->base.fb_handle = tmp.handle;
 174         }
 175
 176         return buf;
 177
 178 fail:
 179         ALOGE("failed to allocate pipe buffer");
 180         if (buf->resource)
 181                 pipe_resource_reference(&buf->resource, NULL);
 182         FREE(buf);
 183
 184         return NULL;
 185 }
 186
 187 static struct gralloc_drm_bo_t *pipe_alloc(struct gralloc_drm_drv_t *drv,
 188                 struct gralloc_drm_handle_t *handle)
 189 {
 190         struct pipe_manager *pm = (struct pipe_manager *) drv;
 191         struct pipe_buffer *buf;
 192
 193         pthread_mutex_lock(&pm->mutex);
 194         buf = get_pipe_buffer_locked(pm, handle);
 195         pthread_mutex_unlock(&pm->mutex);
 196
 197         if (buf) {
 198                 handle->name = (int) buf->winsys.handle;
 199                 handle->stride = (int) buf->winsys.stride;
 200
 201                 buf->base.handle = handle;
 202         }
 203
 204         return &buf->base;
 205 }
 206
 207 static void pipe_free(struct gralloc_drm_drv_t *drv, struct gralloc_drm_bo_t *bo)
 208 {
 209         struct pipe_manager *pm = (struct pipe_manager *) drv;
 210         struct pipe_buffer *buf = (struct pipe_buffer *) bo;
 211
 212         pthread_mutex_lock(&pm->mutex);
 213
 214         if (buf->transfer)
 215                 pipe_transfer_destroy(pm->context, buf->transfer);
 216         pipe_resource_reference(&buf->resource, NULL);
 217
 218         pthread_mutex_unlock(&pm->mutex);
 219
 220         FREE(buf);
 221 }
 222
 223 static int pipe_map(struct gralloc_drm_drv_t *drv,
 224                 struct gralloc_drm_bo_t *bo, int x, int y, int w, int h,
 225                 int enable_write, void **addr)
 226 {
 227         struct pipe_manager *pm = (struct pipe_manager *) drv;
 228         struct pipe_buffer *buf = (struct pipe_buffer *) bo;
 229         int err = 0;
 230
 231         pthread_mutex_lock(&pm->mutex);
 232
 233         /* need a context to get transfer */
 234         if (!pm->context) {
 235                 pm->context = pm->screen->context_create(pm->screen, NULL);
 236                 if (!pm->context) {
 237                         ALOGE("failed to create pipe context");
 238                         err = -ENOMEM;
 239                 }
 240         }
 241
 242         if (!err) {
 243                 enum pipe_transfer_usage usage;
 244
 245                 usage = PIPE_TRANSFER_READ;
 246                 if (enable_write)
 247                         usage |= PIPE_TRANSFER_WRITE;
 248
 249                 assert(!buf->transfer);
 250
 251                 /*
 252                  * ignore x, y, w and h so that returned addr points at the
 253                  * start of the buffer
 254                  */
 255                 buf->transfer = pipe_get_transfer(pm->context, buf->resource,
 256                                 0, 0, usage, 0, 0,
 257                                 buf->resource->width0, buf->resource->height0);
 258                 if (buf->transfer)
 259                         *addr = pipe_transfer_map(pm->context, buf->transfer);
 260                 else
 261                         err = -ENOMEM;
 262         }
 263
 264         pthread_mutex_unlock(&pm->mutex);
 265
 266         return err;
 267 }
 268
 269 static void pipe_unmap(struct gralloc_drm_drv_t *drv,
 270                 struct gralloc_drm_bo_t *bo)
 271 {
 272         struct pipe_manager *pm = (struct pipe_manager *) drv;
 273         struct pipe_buffer *buf = (struct pipe_buffer *) bo;
 274
 275         pthread_mutex_lock(&pm->mutex);
 276
 277         assert(buf && buf->transfer);
 278
 279         pipe_transfer_unmap(pm->context, buf->transfer);
 280         pipe_transfer_destroy(pm->context, buf->transfer);
 281         buf->transfer = NULL;
 282
 283         pm->context->flush(pm->context, NULL);
 284
 285         pthread_mutex_unlock(&pm->mutex);
 286 }
 287
 288 static void pipe_copy(struct gralloc_drm_drv_t *drv,
 289                 struct gralloc_drm_bo_t *dst_bo,
 290                 struct gralloc_drm_bo_t *src_bo,
 291                 short x1, short y1, short x2, short y2)
 292 {
 293         struct pipe_manager *pm = (struct pipe_manager *) drv;
 294         struct pipe_buffer *dst = (struct pipe_buffer *) dst_bo;
 295         struct pipe_buffer *src = (struct pipe_buffer *) src_bo;
 296         struct pipe_box src_box;
 297
 298         if (dst_bo->handle->width != src_bo->handle->width ||
 299             dst_bo->handle->height != src_bo->handle->height ||
 300             dst_bo->handle->stride != src_bo->handle->stride ||
 301             dst_bo->handle->format != src_bo->handle->format) {
 302                 ALOGE("copy between incompatible buffers");
 303                 return;
 304         }
 305
 306         if (x1 < 0)
 307                 x1 = 0;
 308         if (y1 < 0)
 309                 y1 = 0;
 310         if (x2 > dst_bo->handle->width)
 311                 x2 = dst_bo->handle->width;
 312         if (y2 > dst_bo->handle->height)
 313                 y2 = dst_bo->handle->height;
 314
 315         if (x2 <= x1 || y2 <= y1)
 316                 return;
 317
 318         u_box_2d(x1, y1, x2 - x1, y2 - y1, &src_box);
 319
 320         pthread_mutex_lock(&pm->mutex);
 321
 322         /* need a context for copying */
 323         if (!pm->context) {
 324                 pm->context = pm->screen->context_create(pm->screen, NULL);
 325                 if (!pm->context) {
 326                         ALOGE("failed to create pipe context");
 327                         pthread_mutex_unlock(&pm->mutex);
 328                         return;
 329                 }
 330         }
 331
 332         pm->context->resource_copy_region(pm->context,
 333                         dst->resource, 0, x1, y1, 0,
 334                         src->resource, 0, &src_box);
 335         pm->context->flush(pm->context, NULL);
 336
 337         pthread_mutex_unlock(&pm->mutex);
 338 }
 339
 340 static void pipe_init_kms_features(struct gralloc_drm_drv_t *drv, struct gralloc_drm_t *drm)
 341 {
 342         struct pipe_manager *pm = (struct pipe_manager *) drv;
 343
 344         switch (drm->fb_format) {
 345         case HAL_PIXEL_FORMAT_BGRA_8888:
 346         case HAL_PIXEL_FORMAT_RGB_565:
 347                 break;
 348         default:
 349                 drm->fb_format = HAL_PIXEL_FORMAT_BGRA_8888;
 350                 break;
 351         }
 352
 353         if (strcmp(pm->driver, "vmwgfx") == 0) {
 354                 drm->mode_quirk_vmwgfx = 1;
 355                 drm->swap_mode = DRM_SWAP_COPY;
 356         }
 357         else {
 358                 drm->mode_quirk_vmwgfx = 0;
 359                 drm->swap_mode = DRM_SWAP_FLIP;
 360         }
 361         drm->mode_sync_flip = 1;
 362         drm->swap_interval = 1;
 363         drm->vblank_secondary = 0;
 364 }
 365
 366 static void pipe_destroy(struct gralloc_drm_drv_t *drv)
 367 {
 368         struct pipe_manager *pm = (struct pipe_manager *) drv;
 369
 370         if (pm->context)
 371                 pm->context->destroy(pm->context);
 372         pm->screen->destroy(pm->screen);
 373         FREE(pm);
 374 }
 375
 376 /* for nouveau */
 377 #include "nouveau/drm/nouveau_drm_public.h"
 378 /* for r300 */
 379 #include "radeon/drm/radeon_drm_public.h"
 380 #include "r300/r300_public.h"
 381 /* for r600 */
 382 #include "r600/drm/r600_drm_public.h"
 383 #include "r600/r600_public.h"
 384 /* for vmwgfx */
 385 #include "svga/drm/svga_drm_public.h"
 386 #include "svga/svga_winsys.h"
 387 #include "svga/svga_public.h"
 388 /* for debug */
 389 #include "target-helpers/inline_debug_helper.h"
 390
 391 static int pipe_init_screen(struct pipe_manager *pm)
 392 {
 393         struct pipe_screen *screen = NULL;
 394
 395 #ifdef ENABLE_PIPE_NOUVEAU
 396         if (strcmp(pm->driver, "nouveau") == 0)
 397                 screen = nouveau_drm_screen_create(pm->fd);
 398 #endif
 399 #ifdef ENABLE_PIPE_R300
 400         if (strcmp(pm->driver, "r300") == 0) {
 401                 struct radeon_winsys *sws = radeon_drm_winsys_create(pm->fd);
 402
 403                 if (sws) {
 404                         screen = r300_screen_create(sws);
 405                         if (!screen)
 406                                 sws->destroy(sws);
 407                 }
 408         }
 409 #endif
 410 #ifdef ENABLE_PIPE_R600
 411         if (strcmp(pm->driver, "r600") == 0) {
 412                 struct radeon *rw = r600_drm_winsys_create(pm->fd);
 413
 414                 if (rw) {
 415                         screen = r600_screen_create(rw);
 416                         if (!screen)
 417                                 FREE(rw);
 418                 }
 419         }
 420 #endif
 421 #ifdef ENABLE_PIPE_VMWGFX
 422         if (strcmp(pm->driver, "vmwgfx") == 0) {
 423                 struct svga_winsys_screen *sws =
 424                         svga_drm_winsys_screen_create(pm->fd);
 425
 426                 if (sws) {
 427                         screen = svga_screen_create(sws);
 428                         if (!screen)
 429                                 sws->destroy(sws);
 430                 }
 431         }
 432 #endif
 433
 434         if (!screen) {
 435                 ALOGW("failed to create screen for %s", pm->driver);
 436                 return -EINVAL;
 437         }
 438
 439         pm->screen = debug_screen_wrap(screen);
 440
 441         return 0;
 442 }
 443
 444 #include <xf86drm.h>
 445 #include <i915_drm.h>
 446 #include <radeon_drm.h>
 447 static int pipe_get_pci_id(struct pipe_manager *pm,
 448                 const char *name, int *vendor, int *device)
 449 {
 450         int err = -EINVAL;
 451
 452         if (strcmp(name, "i915") == 0) {
 453                 struct drm_i915_getparam gp;
 454
 455                 *vendor = 0x8086;
 456
 457                 memset(&gp, 0, sizeof(gp));
 458                 gp.param = I915_PARAM_CHIPSET_ID;
 459                 gp.value = device;
 460                 err = drmCommandWriteRead(pm->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 461         }
 462         else if (strcmp(name, "radeon") == 0) {
 463                 struct drm_radeon_info info;
 464
 465                 *vendor = 0x1002;
 466
 467                 memset(&info, 0, sizeof(info));
 468                 info.request = RADEON_INFO_DEVICE_ID;
 469                 info.value = (long) device;
 470                 err = drmCommandWriteRead(pm->fd, DRM_RADEON_INFO, &info, sizeof(info));
 471         }
 472         else if (strcmp(name, "nouveau") == 0) {
 473                 *vendor = 0x10de;
 474                 *device = 0;
 475                 err = 0;
 476         }
 477         else if (strcmp(name, "vmwgfx") == 0) {
 478                 *vendor = 0x15ad;
 479                 /* assume SVGA II */
 480                 *device = 0x0405;
 481                 err = 0;
 482         }
 483         else {
 484                 err = -EINVAL;
 485         }
 486
 487         return err;
 488 }
 489
 490 #define DRIVER_MAP_GALLIUM_ONLY
 491 #include "pci_ids/pci_id_driver_map.h"
 492 static int pipe_find_driver(struct pipe_manager *pm, const char *name)
 493 {
 494         int vendor, device;
 495         int err;
 496         const char *driver;
 497
 498         err = pipe_get_pci_id(pm, name, &vendor, &device);
 499         if (!err) {
 500                 int idx;
 501
 502                 /* look up in the driver map */
 503                 for (idx = 0; driver_map[idx].driver; idx++) {
 504                         int i;
 505
 506                         if (vendor != driver_map[idx].vendor_id)
 507                                 continue;
 508
 509                         if (driver_map[idx].num_chips_ids == -1)
 510                                 break;
 511
 512                         for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
 513                                 if (driver_map[idx].chip_ids[i] == device)
 514                                         break;
 515                         }
 516                         if (i < driver_map[idx].num_chips_ids)
 517                                 break;
 518                 }
 519
 520                 driver = driver_map[idx].driver;
 521                 err = (driver) ? 0 : -ENODEV;
 522         }
 523         else {
 524                 if (strcmp(name, "vmwgfx") == 0) {
 525                         driver = "vmwgfx";
 526                         err = 0;
 527                 }
 528         }
 529
 530         if (!err)
 531                 strncpy(pm->driver, driver, sizeof(pm->driver) - 1);
 532
 533         return err;
 534 }
 535
 536 struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_pipe(int fd, const char *name)
 537 {
 538         struct pipe_manager *pm;
 539
 540         pm = CALLOC(1, sizeof(*pm));
 541         if (!pm) {
 542                 ALOGE("failed to allocate pipe manager for %s", name);
 543                 return NULL;
 544         }
 545
 546         pm->fd = fd;
 547         pthread_mutex_init(&pm->mutex, NULL);
 548
 549         if (pipe_find_driver(pm, name)) {
 550                 FREE(pm);
 551                 return NULL;
 552         }
 553
 554         if (pipe_init_screen(pm)) {
 555                 FREE(pm);
 556                 return NULL;
 557         }
 558
 559         pm->base.destroy = pipe_destroy;
 560         pm->base.init_kms_features = pipe_init_kms_features;
 561         pm->base.alloc = pipe_alloc;
 562         pm->base.free = pipe_free;
 563         pm->base.map = pipe_map;
 564         pm->base.unmap = pipe_unmap;
 565         pm->base.copy = pipe_copy;
 566
 567         return &pm->base;
 568 }