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