src/gallium/drivers/nouveau/nvc0/nvc0_context.c

   1 /*
   2  * Copyright 2010 Christoph Bumiller
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #include "pipe/p_defines.h"
  24 #include "util/u_framebuffer.h"
  25
  26 #include "nvc0/nvc0_context.h"
  27 #include "nvc0/nvc0_screen.h"
  28 #include "nvc0/nvc0_resource.h"
  29
  30 static void
  31 nvc0_flush(struct pipe_context *pipe,
  32            struct pipe_fence_handle **fence,
  33            unsigned flags)
  34 {
  35    struct nvc0_context *nvc0 = nvc0_context(pipe);
  36    struct nouveau_screen *screen = &nvc0->screen->base;
  37
  38    if (fence)
  39       nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
  40
  41    PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */
  42
  43    nouveau_context_update_frame_stats(&nvc0->base);
  44 }
  45
  46 static void
  47 nvc0_texture_barrier(struct pipe_context *pipe)
  48 {
  49    struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf;
  50
  51    IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
  52    IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0);
  53 }
  54
  55 static void
  56 nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
  57 {
  58    struct nvc0_context *nvc0 = nvc0_context(pipe);
  59    int i, s;
  60
  61    if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
  62       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
  63          if (!nvc0->vtxbuf[i].buffer)
  64             continue;
  65          if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  66             nvc0->base.vbo_dirty = TRUE;
  67       }
  68
  69       if (nvc0->idxbuf.buffer &&
  70           nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  71          nvc0->base.vbo_dirty = TRUE;
  72
  73       for (s = 0; s < 5 && !nvc0->cb_dirty; ++s) {
  74          uint32_t valid = nvc0->constbuf_valid[s];
  75
  76          while (valid && !nvc0->cb_dirty) {
  77             const unsigned i = ffs(valid) - 1;
  78             struct pipe_resource *res;
  79
  80             valid &= ~(1 << i);
  81             if (nvc0->constbuf[s][i].user)
  82                continue;
  83
  84             res = nvc0->constbuf[s][i].u.buf;
  85             if (!res)
  86                continue;
  87
  88             if (res->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  89                nvc0->cb_dirty = TRUE;
  90          }
  91       }
  92    }
  93 }
  94
  95 static void
  96 nvc0_context_unreference_resources(struct nvc0_context *nvc0)
  97 {
  98    unsigned s, i;
  99
 100    nouveau_bufctx_del(&nvc0->bufctx_3d);
 101    nouveau_bufctx_del(&nvc0->bufctx);
 102    nouveau_bufctx_del(&nvc0->bufctx_cp);
 103
 104    util_unreference_framebuffer_state(&nvc0->framebuffer);
 105
 106    for (i = 0; i < nvc0->num_vtxbufs; ++i)
 107       pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
 108
 109    pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
 110
 111    for (s = 0; s < 6; ++s) {
 112       for (i = 0; i < nvc0->num_textures[s]; ++i)
 113          pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 114
 115       for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i)
 116          if (!nvc0->constbuf[s][i].user)
 117             pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL);
 118    }
 119
 120    for (s = 0; s < 2; ++s) {
 121       for (i = 0; i < NVC0_MAX_SURFACE_SLOTS; ++i)
 122          pipe_surface_reference(&nvc0->surfaces[s][i], NULL);
 123    }
 124
 125    for (i = 0; i < nvc0->num_tfbbufs; ++i)
 126       pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
 127
 128    for (i = 0; i < nvc0->global_residents.size / sizeof(struct pipe_resource *);
 129         ++i) {
 130       struct pipe_resource **res = util_dynarray_element(
 131          &nvc0->global_residents, struct pipe_resource *, i);
 132       pipe_resource_reference(res, NULL);
 133    }
 134    util_dynarray_fini(&nvc0->global_residents);
 135 }
 136
 137 static void
 138 nvc0_destroy(struct pipe_context *pipe)
 139 {
 140    struct nvc0_context *nvc0 = nvc0_context(pipe);
 141
 142    if (nvc0->screen->cur_ctx == nvc0)
 143       nvc0->screen->cur_ctx = NULL;
 144    /* Unset bufctx, we don't want to revalidate any resources after the flush.
 145     * Other contexts will always set their bufctx again on action calls.
 146     */
 147    nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL);
 148    nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel);
 149
 150    nvc0_context_unreference_resources(nvc0);
 151    nvc0_blitctx_destroy(nvc0);
 152
 153    nouveau_context_destroy(&nvc0->base);
 154 }
 155
 156 void
 157 nvc0_default_kick_notify(struct nouveau_pushbuf *push)
 158 {
 159    struct nvc0_screen *screen = push->user_priv;
 160
 161    if (screen) {
 162       nouveau_fence_next(&screen->base);
 163       nouveau_fence_update(&screen->base, TRUE);
 164       if (screen->cur_ctx)
 165          screen->cur_ctx->state.flushed = TRUE;
 166    }
 167    NOUVEAU_DRV_STAT(&screen->base, pushbuf_count, 1);
 168 }
 169
 170 static int
 171 nvc0_invalidate_resource_storage(struct nouveau_context *ctx,
 172                                  struct pipe_resource *res,
 173                                  int ref)
 174 {
 175    struct nvc0_context *nvc0 = nvc0_context(&ctx->pipe);
 176    unsigned s, i;
 177
 178    if (res->bind & PIPE_BIND_RENDER_TARGET) {
 179       for (i = 0; i < nvc0->framebuffer.nr_cbufs; ++i) {
 180          if (nvc0->framebuffer.cbufs[i] &&
 181              nvc0->framebuffer.cbufs[i]->texture == res) {
 182             nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 183             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
 184             if (!--ref)
 185                return ref;
 186          }
 187       }
 188    }
 189    if (res->bind & PIPE_BIND_DEPTH_STENCIL) {
 190       if (nvc0->framebuffer.zsbuf &&
 191           nvc0->framebuffer.zsbuf->texture == res) {
 192          nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 193          nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
 194          if (!--ref)
 195             return ref;
 196       }
 197    }
 198
 199    if (res->bind & PIPE_BIND_VERTEX_BUFFER) {
 200       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
 201          if (nvc0->vtxbuf[i].buffer == res) {
 202             nvc0->dirty |= NVC0_NEW_ARRAYS;
 203             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX);
 204             if (!--ref)
 205                return ref;
 206          }
 207       }
 208    }
 209    if (res->bind & PIPE_BIND_INDEX_BUFFER) {
 210       if (nvc0->idxbuf.buffer == res) {
 211          nvc0->dirty |= NVC0_NEW_IDXBUF;
 212          nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_IDX);
 213          if (!--ref)
 214             return ref;
 215       }
 216    }
 217
 218    if (res->bind & PIPE_BIND_SAMPLER_VIEW) {
 219       for (s = 0; s < 5; ++s) {
 220       for (i = 0; i < nvc0->num_textures[s]; ++i) {
 221          if (nvc0->textures[s][i] &&
 222              nvc0->textures[s][i]->texture == res) {
 223             nvc0->textures_dirty[s] |= 1 << i;
 224             nvc0->dirty |= NVC0_NEW_TEXTURES;
 225             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_TEX(s, i));
 226             if (!--ref)
 227                return ref;
 228          }
 229       }
 230       }
 231    }
 232
 233    if (res->bind & PIPE_BIND_CONSTANT_BUFFER) {
 234       for (s = 0; s < 5; ++s) {
 235       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
 236          if (!nvc0->constbuf[s][i].user &&
 237              nvc0->constbuf[s][i].u.buf == res) {
 238             nvc0->dirty |= NVC0_NEW_CONSTBUF;
 239             nvc0->constbuf_dirty[s] |= 1 << i;
 240             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_CB(s, i));
 241             if (!--ref)
 242                return ref;
 243          }
 244       }
 245       }
 246    }
 247
 248    return ref;
 249 }
 250
 251 static void
 252 nvc0_context_get_sample_position(struct pipe_context *, unsigned, unsigned,
 253                                  float *);
 254
 255 struct pipe_context *
 256 nvc0_create(struct pipe_screen *pscreen, void *priv)
 257 {
 258    struct nvc0_screen *screen = nvc0_screen(pscreen);
 259    struct nvc0_context *nvc0;
 260    struct pipe_context *pipe;
 261    int ret;
 262    uint32_t flags;
 263
 264    nvc0 = CALLOC_STRUCT(nvc0_context);
 265    if (!nvc0)
 266       return NULL;
 267    pipe = &nvc0->base.pipe;
 268
 269    if (!nvc0_blitctx_create(nvc0))
 270       goto out_err;
 271
 272    nvc0->base.pushbuf = screen->base.pushbuf;
 273    nvc0->base.client = screen->base.client;
 274
 275    ret = nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx);
 276    if (!ret)
 277       ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_3D_COUNT,
 278                                &nvc0->bufctx_3d);
 279    if (!ret)
 280       ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_CP_COUNT,
 281                                &nvc0->bufctx_cp);
 282    if (ret)
 283       goto out_err;
 284
 285    nvc0->screen = screen;
 286    nvc0->base.screen = &screen->base;
 287
 288    pipe->screen = pscreen;
 289    pipe->priv = priv;
 290
 291    pipe->destroy = nvc0_destroy;
 292
 293    pipe->draw_vbo = nvc0_draw_vbo;
 294    pipe->clear = nvc0_clear;
 295    pipe->launch_grid = (nvc0->screen->base.class_3d >= NVE4_3D_CLASS) ?
 296       nve4_launch_grid : nvc0_launch_grid;
 297
 298    pipe->flush = nvc0_flush;
 299    pipe->texture_barrier = nvc0_texture_barrier;
 300    pipe->memory_barrier = nvc0_memory_barrier;
 301    pipe->get_sample_position = nvc0_context_get_sample_position;
 302
 303    if (!screen->cur_ctx) {
 304       screen->cur_ctx = nvc0;
 305       nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx);
 306    }
 307    screen->base.pushbuf->kick_notify = nvc0_default_kick_notify;
 308
 309    nvc0_init_query_functions(nvc0);
 310    nvc0_init_surface_functions(nvc0);
 311    nvc0_init_state_functions(nvc0);
 312    nvc0_init_transfer_functions(nvc0);
 313    nvc0_init_resource_functions(pipe);
 314
 315    nvc0->base.invalidate_resource_storage = nvc0_invalidate_resource_storage;
 316
 317    pipe->create_video_codec = nvc0_create_decoder;
 318    pipe->create_video_buffer = nvc0_video_buffer_create;
 319
 320    /* shader builtin library is per-screen, but we need a context for m2mf */
 321    nvc0_program_library_upload(nvc0);
 322
 323    /* add permanently resident buffers to bufctxts */
 324
 325    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
 326
 327    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text);
 328    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniform_bo);
 329    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc);
 330    if (screen->compute) {
 331       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->text);
 332       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->txc);
 333       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->parm);
 334    }
 335
 336    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
 337
 338    if (screen->poly_cache)
 339       BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->poly_cache);
 340    if (screen->compute)
 341       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->tls);
 342
 343    flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
 344
 345    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo);
 346    BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo);
 347    if (screen->compute)
 348       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->fence.bo);
 349
 350    nvc0->base.scratch.bo_size = 2 << 20;
 351
 352    memset(nvc0->tex_handles, ~0, sizeof(nvc0->tex_handles));
 353
 354    util_dynarray_init(&nvc0->global_residents);
 355
 356    return pipe;
 357
 358 out_err:
 359    if (nvc0) {
 360       if (nvc0->bufctx_3d)
 361          nouveau_bufctx_del(&nvc0->bufctx_3d);
 362       if (nvc0->bufctx_cp)
 363          nouveau_bufctx_del(&nvc0->bufctx_cp);
 364       if (nvc0->bufctx)
 365          nouveau_bufctx_del(&nvc0->bufctx);
 366       if (nvc0->blit)
 367          FREE(nvc0->blit);
 368       FREE(nvc0);
 369    }
 370    return NULL;
 371 }
 372
 373 void
 374 nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx,
 375                   boolean on_flush)
 376 {
 377    struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
 378    struct nouveau_list *it;
 379    NOUVEAU_DRV_STAT_IFD(unsigned count = 0);
 380
 381    for (it = list->next; it != list; it = it->next) {
 382       struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
 383       struct nv04_resource *res = ref->priv;
 384       if (res)
 385          nvc0_resource_validate(res, (unsigned)ref->priv_data);
 386       NOUVEAU_DRV_STAT_IFD(count++);
 387    }
 388    NOUVEAU_DRV_STAT(&nvc0->screen->base, resource_validate_count, count);
 389 }
 390
 391 static void
 392 nvc0_context_get_sample_position(struct pipe_context *pipe,
 393                                  unsigned sample_count, unsigned sample_index,
 394                                  float *xy)
 395 {
 396    static const uint8_t ms1[1][2] = { { 0x8, 0x8 } };
 397    static const uint8_t ms2[2][2] = {
 398       { 0x4, 0x4 }, { 0xc, 0xc } }; /* surface coords (0,0), (1,0) */
 399    static const uint8_t ms4[4][2] = {
 400       { 0x6, 0x2 }, { 0xe, 0x6 },   /* (0,0), (1,0) */
 401       { 0x2, 0xa }, { 0xa, 0xe } }; /* (0,1), (1,1) */
 402    static const uint8_t ms8[8][2] = {
 403       { 0x1, 0x7 }, { 0x5, 0x3 },   /* (0,0), (1,0) */
 404       { 0x3, 0xd }, { 0x7, 0xb },   /* (0,1), (1,1) */
 405       { 0x9, 0x5 }, { 0xf, 0x1 },   /* (2,0), (3,0) */
 406       { 0xb, 0xf }, { 0xd, 0x9 } }; /* (2,1), (3,1) */
 407 #if 0
 408    /* NOTE: there are alternative modes for MS2 and MS8, currently not used */
 409    static const uint8_t ms8_alt[8][2] = {
 410       { 0x9, 0x5 }, { 0x7, 0xb },   /* (2,0), (1,1) */
 411       { 0xd, 0x9 }, { 0x5, 0x3 },   /* (3,1), (1,0) */
 412       { 0x3, 0xd }, { 0x1, 0x7 },   /* (0,1), (0,0) */
 413       { 0xb, 0xf }, { 0xf, 0x1 } }; /* (2,1), (3,0) */
 414 #endif
 415
 416    const uint8_t (*ptr)[2];
 417
 418    switch (sample_count) {
 419    case 0:
 420    case 1: ptr = ms1; break;
 421    case 2: ptr = ms2; break;
 422    case 4: ptr = ms4; break;
 423    case 8: ptr = ms8; break;
 424    default:
 425       assert(0);
 426       return; /* bad sample count -> undefined locations */
 427    }
 428    xy[0] = ptr[sample_index][0] * 0.0625f;
 429    xy[1] = ptr[sample_index][1] * 0.0625f;
 430 }