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 #ifdef NVC0_WITH_DRAW_MODULE
  27 #include "draw/draw_context.h"
  28 #endif
  29
  30 #include "nvc0/nvc0_context.h"
  31 #include "nvc0/nvc0_screen.h"
  32 #include "nvc0/nvc0_resource.h"
  33
  34 static void
  35 nvc0_flush(struct pipe_context *pipe,
  36            struct pipe_fence_handle **fence,
  37            unsigned flags)
  38 {
  39    struct nvc0_context *nvc0 = nvc0_context(pipe);
  40    struct nouveau_screen *screen = &nvc0->screen->base;
  41
  42    if (fence)
  43       nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
  44
  45    PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */
  46
  47    nouveau_context_update_frame_stats(&nvc0->base);
  48 }
  49
  50 static void
  51 nvc0_texture_barrier(struct pipe_context *pipe)
  52 {
  53    struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf;
  54
  55    IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
  56    IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0);
  57 }
  58
  59 static void
  60 nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
  61 {
  62    struct nvc0_context *nvc0 = nvc0_context(pipe);
  63    int i, s;
  64
  65    if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
  66       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
  67          if (!nvc0->vtxbuf[i].buffer)
  68             continue;
  69          if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  70             nvc0->base.vbo_dirty = TRUE;
  71       }
  72
  73       if (nvc0->idxbuf.buffer &&
  74           nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  75          nvc0->base.vbo_dirty = TRUE;
  76
  77       for (s = 0; s < 5 && !nvc0->cb_dirty; ++s) {
  78          uint32_t valid = nvc0->constbuf_valid[s];
  79
  80          while (valid && !nvc0->cb_dirty) {
  81             const unsigned i = ffs(valid) - 1;
  82             struct pipe_resource *res;
  83
  84             valid &= ~(1 << i);
  85             if (nvc0->constbuf[s][i].user)
  86                continue;
  87
  88             res = nvc0->constbuf[s][i].u.buf;
  89             if (!res)
  90                continue;
  91
  92             if (res->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  93                nvc0->cb_dirty = TRUE;
  94          }
  95       }
  96    }
  97 }
  98
  99 static void
 100 nvc0_context_unreference_resources(struct nvc0_context *nvc0)
 101 {
 102    unsigned s, i;
 103
 104    nouveau_bufctx_del(&nvc0->bufctx_3d);
 105    nouveau_bufctx_del(&nvc0->bufctx);
 106    nouveau_bufctx_del(&nvc0->bufctx_cp);
 107
 108    util_unreference_framebuffer_state(&nvc0->framebuffer);
 109
 110    for (i = 0; i < nvc0->num_vtxbufs; ++i)
 111       pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
 112
 113    pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
 114
 115    for (s = 0; s < 6; ++s) {
 116       for (i = 0; i < nvc0->num_textures[s]; ++i)
 117          pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 118
 119       for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i)
 120          if (!nvc0->constbuf[s][i].user)
 121             pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL);
 122    }
 123
 124    for (s = 0; s < 2; ++s) {
 125       for (i = 0; i < NVC0_MAX_SURFACE_SLOTS; ++i)
 126          pipe_surface_reference(&nvc0->surfaces[s][i], NULL);
 127    }
 128
 129    for (i = 0; i < nvc0->num_tfbbufs; ++i)
 130       pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
 131
 132    for (i = 0; i < nvc0->global_residents.size / sizeof(struct pipe_resource *);
 133         ++i) {
 134       struct pipe_resource **res = util_dynarray_element(
 135          &nvc0->global_residents, struct pipe_resource *, i);
 136       pipe_resource_reference(res, NULL);
 137    }
 138    util_dynarray_fini(&nvc0->global_residents);
 139 }
 140
 141 static void
 142 nvc0_destroy(struct pipe_context *pipe)
 143 {
 144    struct nvc0_context *nvc0 = nvc0_context(pipe);
 145
 146    if (nvc0->screen->cur_ctx == nvc0)
 147       nvc0->screen->cur_ctx = NULL;
 148    /* Unset bufctx, we don't want to revalidate any resources after the flush.
 149     * Other contexts will always set their bufctx again on action calls.
 150     */
 151    nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL);
 152    nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel);
 153
 154    nvc0_context_unreference_resources(nvc0);
 155    nvc0_blitctx_destroy(nvc0);
 156
 157 #ifdef NVC0_WITH_DRAW_MODULE
 158    draw_destroy(nvc0->draw);
 159 #endif
 160
 161    nouveau_context_destroy(&nvc0->base);
 162 }
 163
 164 void
 165 nvc0_default_kick_notify(struct nouveau_pushbuf *push)
 166 {
 167    struct nvc0_screen *screen = push->user_priv;
 168
 169    if (screen) {
 170       nouveau_fence_next(&screen->base);
 171       nouveau_fence_update(&screen->base, TRUE);
 172       if (screen->cur_ctx)
 173          screen->cur_ctx->state.flushed = TRUE;
 174    }
 175    NOUVEAU_DRV_STAT(&screen->base, pushbuf_count, 1);
 176 }
 177
 178 static int
 179 nvc0_invalidate_resource_storage(struct nouveau_context *ctx,
 180                                  struct pipe_resource *res,
 181                                  int ref)
 182 {
 183    struct nvc0_context *nvc0 = nvc0_context(&ctx->pipe);
 184    unsigned s, i;
 185
 186    if (res->bind & PIPE_BIND_RENDER_TARGET) {
 187       for (i = 0; i < nvc0->framebuffer.nr_cbufs; ++i) {
 188          if (nvc0->framebuffer.cbufs[i] &&
 189              nvc0->framebuffer.cbufs[i]->texture == res) {
 190             nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 191             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
 192             if (!--ref)
 193                return ref;
 194          }
 195       }
 196    }
 197    if (res->bind & PIPE_BIND_DEPTH_STENCIL) {
 198       if (nvc0->framebuffer.zsbuf &&
 199           nvc0->framebuffer.zsbuf->texture == res) {
 200          nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 201          nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
 202          if (!--ref)
 203             return ref;
 204       }
 205    }
 206
 207    if (res->bind & PIPE_BIND_VERTEX_BUFFER) {
 208       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
 209          if (nvc0->vtxbuf[i].buffer == res) {
 210             nvc0->dirty |= NVC0_NEW_ARRAYS;
 211             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX);
 212             if (!--ref)
 213                return ref;
 214          }
 215       }
 216    }
 217    if (res->bind & PIPE_BIND_INDEX_BUFFER) {
 218       if (nvc0->idxbuf.buffer == res) {
 219          nvc0->dirty |= NVC0_NEW_IDXBUF;
 220          nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_IDX);
 221          if (!--ref)
 222             return ref;
 223       }
 224    }
 225
 226    if (res->bind & PIPE_BIND_SAMPLER_VIEW) {
 227       for (s = 0; s < 5; ++s) {
 228       for (i = 0; i < nvc0->num_textures[s]; ++i) {
 229          if (nvc0->textures[s][i] &&
 230              nvc0->textures[s][i]->texture == res) {
 231             nvc0->textures_dirty[s] |= 1 << i;
 232             nvc0->dirty |= NVC0_NEW_TEXTURES;
 233             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_TEX(s, i));
 234             if (!--ref)
 235                return ref;
 236          }
 237       }
 238       }
 239    }
 240
 241    if (res->bind & PIPE_BIND_CONSTANT_BUFFER) {
 242       for (s = 0; s < 5; ++s) {
 243       for (i = 0; i < nvc0->num_vtxbufs; ++i) {
 244          if (!nvc0->constbuf[s][i].user &&
 245              nvc0->constbuf[s][i].u.buf == res) {
 246             nvc0->dirty |= NVC0_NEW_CONSTBUF;
 247             nvc0->constbuf_dirty[s] |= 1 << i;
 248             nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_CB(s, i));
 249             if (!--ref)
 250                return ref;
 251          }
 252       }
 253       }
 254    }
 255
 256    return ref;
 257 }
 258
 259 static void
 260 nvc0_context_get_sample_position(struct pipe_context *, unsigned, unsigned,
 261                                  float *);
 262
 263 struct pipe_context *
 264 nvc0_create(struct pipe_screen *pscreen, void *priv)
 265 {
 266    struct nvc0_screen *screen = nvc0_screen(pscreen);
 267    struct nvc0_context *nvc0;
 268    struct pipe_context *pipe;
 269    int ret;
 270    uint32_t flags;
 271
 272    nvc0 = CALLOC_STRUCT(nvc0_context);
 273    if (!nvc0)
 274       return NULL;
 275    pipe = &nvc0->base.pipe;
 276
 277    if (!nvc0_blitctx_create(nvc0))
 278       goto out_err;
 279
 280    nvc0->base.pushbuf = screen->base.pushbuf;
 281    nvc0->base.client = screen->base.client;
 282
 283    ret = nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx);
 284    if (!ret)
 285       ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_3D_COUNT,
 286                                &nvc0->bufctx_3d);
 287    if (!ret)
 288       ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_CP_COUNT,
 289                                &nvc0->bufctx_cp);
 290    if (ret)
 291       goto out_err;
 292
 293    nvc0->screen = screen;
 294    nvc0->base.screen = &screen->base;
 295
 296    pipe->screen = pscreen;
 297    pipe->priv = priv;
 298
 299    pipe->destroy = nvc0_destroy;
 300
 301    pipe->draw_vbo = nvc0_draw_vbo;
 302    pipe->clear = nvc0_clear;
 303    pipe->launch_grid = (nvc0->screen->base.class_3d >= NVE4_3D_CLASS) ?
 304       nve4_launch_grid : nvc0_launch_grid;
 305
 306    pipe->flush = nvc0_flush;
 307    pipe->texture_barrier = nvc0_texture_barrier;
 308    pipe->memory_barrier = nvc0_memory_barrier;
 309    pipe->get_sample_position = nvc0_context_get_sample_position;
 310
 311    if (!screen->cur_ctx) {
 312       screen->cur_ctx = nvc0;
 313       nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx);
 314    }
 315    screen->base.pushbuf->kick_notify = nvc0_default_kick_notify;
 316
 317    nvc0_init_query_functions(nvc0);
 318    nvc0_init_surface_functions(nvc0);
 319    nvc0_init_state_functions(nvc0);
 320    nvc0_init_transfer_functions(nvc0);
 321    nvc0_init_resource_functions(pipe);
 322
 323    nvc0->base.invalidate_resource_storage = nvc0_invalidate_resource_storage;
 324
 325 #ifdef NVC0_WITH_DRAW_MODULE
 326    /* no software fallbacks implemented */
 327    nvc0->draw = draw_create(pipe);
 328    assert(nvc0->draw);
 329    draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
 330 #endif
 331
 332    pipe->create_video_codec = nvc0_create_decoder;
 333    pipe->create_video_buffer = nvc0_video_buffer_create;
 334
 335    /* shader builtin library is per-screen, but we need a context for m2mf */
 336    nvc0_program_library_upload(nvc0);
 337
 338    /* add permanently resident buffers to bufctxts */
 339
 340    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
 341
 342    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text);
 343    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniform_bo);
 344    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc);
 345    if (screen->compute) {
 346       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->text);
 347       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->txc);
 348       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->parm);
 349    }
 350
 351    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
 352
 353    if (screen->poly_cache)
 354       BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->poly_cache);
 355    if (screen->compute)
 356       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->tls);
 357
 358    flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
 359
 360    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo);
 361    BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo);
 362    if (screen->compute)
 363       BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->fence.bo);
 364
 365    nvc0->base.scratch.bo_size = 2 << 20;
 366
 367    memset(nvc0->tex_handles, ~0, sizeof(nvc0->tex_handles));
 368
 369    util_dynarray_init(&nvc0->global_residents);
 370
 371    return pipe;
 372
 373 out_err:
 374    if (nvc0) {
 375       if (nvc0->bufctx_3d)
 376          nouveau_bufctx_del(&nvc0->bufctx_3d);
 377       if (nvc0->bufctx_cp)
 378          nouveau_bufctx_del(&nvc0->bufctx_cp);
 379       if (nvc0->bufctx)
 380          nouveau_bufctx_del(&nvc0->bufctx);
 381       if (nvc0->blit)
 382          FREE(nvc0->blit);
 383       FREE(nvc0);
 384    }
 385    return NULL;
 386 }
 387
 388 void
 389 nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx,
 390                   boolean on_flush)
 391 {
 392    struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
 393    struct nouveau_list *it;
 394    NOUVEAU_DRV_STAT_IFD(unsigned count = 0);
 395
 396    for (it = list->next; it != list; it = it->next) {
 397       struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
 398       struct nv04_resource *res = ref->priv;
 399       if (res)
 400          nvc0_resource_validate(res, (unsigned)ref->priv_data);
 401       NOUVEAU_DRV_STAT_IFD(count++);
 402    }
 403    NOUVEAU_DRV_STAT(&nvc0->screen->base, resource_validate_count, count);
 404 }
 405
 406 static void
 407 nvc0_context_get_sample_position(struct pipe_context *pipe,
 408                                  unsigned sample_count, unsigned sample_index,
 409                                  float *xy)
 410 {
 411    static const uint8_t ms1[1][2] = { { 0x8, 0x8 } };
 412    static const uint8_t ms2[2][2] = {
 413       { 0x4, 0x4 }, { 0xc, 0xc } }; /* surface coords (0,0), (1,0) */
 414    static const uint8_t ms4[4][2] = {
 415       { 0x6, 0x2 }, { 0xe, 0x6 },   /* (0,0), (1,0) */
 416       { 0x2, 0xa }, { 0xa, 0xe } }; /* (0,1), (1,1) */
 417    static const uint8_t ms8[8][2] = {
 418       { 0x1, 0x7 }, { 0x5, 0x3 },   /* (0,0), (1,0) */
 419       { 0x3, 0xd }, { 0x7, 0xb },   /* (0,1), (1,1) */
 420       { 0x9, 0x5 }, { 0xf, 0x1 },   /* (2,0), (3,0) */
 421       { 0xb, 0xf }, { 0xd, 0x9 } }; /* (2,1), (3,1) */
 422 #if 0
 423    /* NOTE: there are alternative modes for MS2 and MS8, currently not used */
 424    static const uint8_t ms8_alt[8][2] = {
 425       { 0x9, 0x5 }, { 0x7, 0xb },   /* (2,0), (1,1) */
 426       { 0xd, 0x9 }, { 0x5, 0x3 },   /* (3,1), (1,0) */
 427       { 0x3, 0xd }, { 0x1, 0x7 },   /* (0,1), (0,0) */
 428       { 0xb, 0xf }, { 0xf, 0x1 } }; /* (2,1), (3,0) */
 429 #endif
 430
 431    const uint8_t (*ptr)[2];
 432
 433    switch (sample_count) {
 434    case 0:
 435    case 1: ptr = ms1; break;
 436    case 2: ptr = ms2; break;
 437    case 4: ptr = ms4; break;
 438    case 8: ptr = ms8; break;
 439    default:
 440       assert(0);
 441       return; /* bad sample count -> undefined locations */
 442    }
 443    xy[0] = ptr[sample_index][0] * 0.0625f;
 444    xy[1] = ptr[sample_index][1] * 0.0625f;
 445 }