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