src/gallium/drivers/r600/r600_state_common.c

   1 /*
   2  * Copyright 2010 Red Hat Inc.
   3  *           2010 Jerome Glisse
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie <airlied@redhat.com>
  25  *          Jerome Glisse <jglisse@redhat.com>
  26  */
  27 #include "util/u_blitter.h"
  28 #include "util/u_memory.h"
  29 #include "util/u_format.h"
  30 #include "pipebuffer/pb_buffer.h"
  31 #include "pipe/p_shader_tokens.h"
  32 #include "tgsi/tgsi_parse.h"
  33 #include "r600_formats.h"
  34 #include "r600_pipe.h"
  35 #include "r600d.h"
  36
  37 static void r600_spi_update(struct r600_pipe_context *rctx);
  38
  39 static bool r600_conv_pipe_prim(unsigned pprim, unsigned *prim)
  40 {
  41         static const int prim_conv[] = {
  42                 V_008958_DI_PT_POINTLIST,
  43                 V_008958_DI_PT_LINELIST,
  44                 V_008958_DI_PT_LINELOOP,
  45                 V_008958_DI_PT_LINESTRIP,
  46                 V_008958_DI_PT_TRILIST,
  47                 V_008958_DI_PT_TRISTRIP,
  48                 V_008958_DI_PT_TRIFAN,
  49                 V_008958_DI_PT_QUADLIST,
  50                 V_008958_DI_PT_QUADSTRIP,
  51                 V_008958_DI_PT_POLYGON,
  52                 -1,
  53                 -1,
  54                 -1,
  55                 -1
  56         };
  57
  58         *prim = prim_conv[pprim];
  59         if (*prim == -1) {
  60                 fprintf(stderr, "%s:%d unsupported %d\n", __func__, __LINE__, pprim);
  61                 return false;
  62         }
  63         return true;
  64 }
  65
  66 /* common state between evergreen and r600 */
  67 void r600_bind_blend_state(struct pipe_context *ctx, void *state)
  68 {
  69         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  70         struct r600_pipe_blend *blend = (struct r600_pipe_blend *)state;
  71         struct r600_pipe_state *rstate;
  72
  73         if (state == NULL)
  74                 return;
  75         rstate = &blend->rstate;
  76         rctx->states[rstate->id] = rstate;
  77         rctx->cb_target_mask = blend->cb_target_mask;
  78         r600_context_pipe_state_set(&rctx->ctx, rstate);
  79 }
  80
  81 void r600_bind_dsa_state(struct pipe_context *ctx, void *state)
  82 {
  83         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  84         struct r600_pipe_dsa *dsa = state;
  85         struct r600_pipe_state *rstate;
  86
  87         if (state == NULL)
  88                 return;
  89         rstate = &dsa->rstate;
  90         rctx->states[rstate->id] = rstate;
  91         rctx->alpha_ref = dsa->alpha_ref;
  92         rctx->alpha_ref_dirty = true;
  93         r600_context_pipe_state_set(&rctx->ctx, rstate);
  94 }
  95
  96 void r600_bind_rs_state(struct pipe_context *ctx, void *state)
  97 {
  98         struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
  99         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 100
 101         if (state == NULL)
 102                 return;
 103
 104         rctx->clamp_vertex_color = rs->clamp_vertex_color;
 105         rctx->clamp_fragment_color = rs->clamp_fragment_color;
 106         rctx->flatshade = rs->flatshade;
 107         rctx->sprite_coord_enable = rs->sprite_coord_enable;
 108         rctx->rasterizer = rs;
 109
 110         rctx->states[rs->rstate.id] = &rs->rstate;
 111         r600_context_pipe_state_set(&rctx->ctx, &rs->rstate);
 112
 113         if (rctx->chip_class >= EVERGREEN) {
 114                 evergreen_polygon_offset_update(rctx);
 115         } else {
 116                 r600_polygon_offset_update(rctx);
 117         }
 118         if (rctx->ps_shader && rctx->vs_shader)
 119                 rctx->spi_dirty = true;
 120 }
 121
 122 void r600_delete_rs_state(struct pipe_context *ctx, void *state)
 123 {
 124         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 125         struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
 126
 127         if (rctx->rasterizer == rs) {
 128                 rctx->rasterizer = NULL;
 129         }
 130         if (rctx->states[rs->rstate.id] == &rs->rstate) {
 131                 rctx->states[rs->rstate.id] = NULL;
 132         }
 133         free(rs);
 134 }
 135
 136 void r600_sampler_view_destroy(struct pipe_context *ctx,
 137                                struct pipe_sampler_view *state)
 138 {
 139         struct r600_pipe_sampler_view *resource = (struct r600_pipe_sampler_view *)state;
 140
 141         pipe_resource_reference(&state->texture, NULL);
 142         FREE(resource);
 143 }
 144
 145 void r600_delete_state(struct pipe_context *ctx, void *state)
 146 {
 147         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 148         struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
 149
 150         if (rctx->states[rstate->id] == rstate) {
 151                 rctx->states[rstate->id] = NULL;
 152         }
 153         for (int i = 0; i < rstate->nregs; i++) {
 154                 pipe_resource_reference((struct pipe_resource**)&rstate->regs[i].bo, NULL);
 155         }
 156         free(rstate);
 157 }
 158
 159 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 160 {
 161         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 162         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 163
 164         rctx->vertex_elements = v;
 165         if (v) {
 166                 u_vbuf_bind_vertex_elements(rctx->vbuf_mgr, state,
 167                                                 v->vmgr_elements);
 168
 169                 rctx->states[v->rstate.id] = &v->rstate;
 170                 r600_context_pipe_state_set(&rctx->ctx, &v->rstate);
 171         }
 172 }
 173
 174 void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
 175 {
 176         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 177         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 178
 179         if (rctx->states[v->rstate.id] == &v->rstate) {
 180                 rctx->states[v->rstate.id] = NULL;
 181         }
 182         if (rctx->vertex_elements == state)
 183                 rctx->vertex_elements = NULL;
 184
 185         pipe_resource_reference((struct pipe_resource**)&v->fetch_shader, NULL);
 186         u_vbuf_destroy_vertex_elements(rctx->vbuf_mgr, v->vmgr_elements);
 187         FREE(state);
 188 }
 189
 190
 191 void r600_set_index_buffer(struct pipe_context *ctx,
 192                            const struct pipe_index_buffer *ib)
 193 {
 194         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 195
 196         if (ib) {
 197                 pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
 198                 memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
 199         } else {
 200                 pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
 201                 memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
 202         }
 203
 204         /* TODO make this more like a state */
 205 }
 206
 207 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 208                              const struct pipe_vertex_buffer *buffers)
 209 {
 210         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 211         int i;
 212
 213         /* Zero states. */
 214         for (i = 0; i < count; i++) {
 215                 if (!buffers[i].buffer) {
 216                         if (rctx->chip_class >= EVERGREEN) {
 217                                 evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 218                         } else {
 219                                 r600_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 220                         }
 221                 }
 222         }
 223         for (; i < rctx->vbuf_mgr->nr_real_vertex_buffers; i++) {
 224                 if (rctx->chip_class >= EVERGREEN) {
 225                         evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 226                 } else {
 227                         r600_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 228                 }
 229         }
 230
 231         u_vbuf_set_vertex_buffers(rctx->vbuf_mgr, count, buffers);
 232 }
 233
 234 void *r600_create_vertex_elements(struct pipe_context *ctx,
 235                                   unsigned count,
 236                                   const struct pipe_vertex_element *elements)
 237 {
 238         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 239         struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
 240
 241         assert(count < 32);
 242         if (!v)
 243                 return NULL;
 244
 245         v->count = count;
 246         v->vmgr_elements =
 247                 u_vbuf_create_vertex_elements(rctx->vbuf_mgr, count,
 248                                                   elements, v->elements);
 249
 250         if (r600_vertex_elements_build_fetch_shader(rctx, v)) {
 251                 FREE(v);
 252                 return NULL;
 253         }
 254
 255         return v;
 256 }
 257
 258 void *r600_create_shader_state(struct pipe_context *ctx,
 259                                const struct pipe_shader_state *state)
 260 {
 261         struct r600_pipe_shader *shader =  CALLOC_STRUCT(r600_pipe_shader);
 262         int r;
 263
 264         shader->tokens = tgsi_dup_tokens(state->tokens);
 265
 266         r =  r600_pipe_shader_create(ctx, shader);
 267         if (r) {
 268                 return NULL;
 269         }
 270         return shader;
 271 }
 272
 273 void r600_bind_ps_shader(struct pipe_context *ctx, void *state)
 274 {
 275         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 276
 277         /* TODO delete old shader */
 278         rctx->ps_shader = (struct r600_pipe_shader *)state;
 279         if (state) {
 280                 r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_shader->rstate);
 281         }
 282         if (rctx->ps_shader && rctx->vs_shader) {
 283                 rctx->spi_dirty = true;
 284                 r600_adjust_gprs(rctx);
 285         }
 286 }
 287
 288 void r600_bind_vs_shader(struct pipe_context *ctx, void *state)
 289 {
 290         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 291
 292         /* TODO delete old shader */
 293         rctx->vs_shader = (struct r600_pipe_shader *)state;
 294         if (state) {
 295                 r600_context_pipe_state_set(&rctx->ctx, &rctx->vs_shader->rstate);
 296         }
 297         if (rctx->ps_shader && rctx->vs_shader) {
 298                 rctx->spi_dirty = true;
 299                 r600_adjust_gprs(rctx);
 300         }
 301 }
 302
 303 void r600_delete_ps_shader(struct pipe_context *ctx, void *state)
 304 {
 305         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 306         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 307
 308         if (rctx->ps_shader == shader) {
 309                 rctx->ps_shader = NULL;
 310         }
 311
 312         free(shader->tokens);
 313         r600_pipe_shader_destroy(ctx, shader);
 314         free(shader);
 315 }
 316
 317 void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
 318 {
 319         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 320         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 321
 322         if (rctx->vs_shader == shader) {
 323                 rctx->vs_shader = NULL;
 324         }
 325
 326         free(shader->tokens);
 327         r600_pipe_shader_destroy(ctx, shader);
 328         free(shader);
 329 }
 330
 331 static void r600_update_alpha_ref(struct r600_pipe_context *rctx)
 332 {
 333         unsigned alpha_ref;
 334         struct r600_pipe_state rstate;
 335
 336         alpha_ref = rctx->alpha_ref;
 337         rstate.nregs = 0;
 338         if (rctx->export_16bpc)
 339                 alpha_ref &= ~0x1FFF;
 340         r600_pipe_state_add_reg(&rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL, 0);
 341
 342         r600_context_pipe_state_set(&rctx->ctx, &rstate);
 343         rctx->alpha_ref_dirty = false;
 344 }
 345
 346 /* FIXME optimize away spi update when it's not needed */
 347 static void r600_spi_block_init(struct r600_pipe_context *rctx, struct r600_pipe_state *rstate)
 348 {
 349         int i;
 350         rstate->nregs = 0;
 351         rstate->id = R600_PIPE_STATE_SPI;
 352         for (i = 0; i < 32; i++) {
 353                 r600_pipe_state_add_reg(rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, 0, 0xFFFFFFFF, NULL, 0);
 354         }
 355 }
 356
 357 static void r600_spi_update(struct r600_pipe_context *rctx)
 358 {
 359         struct r600_pipe_shader *shader = rctx->ps_shader;
 360         struct r600_pipe_state *rstate = &rctx->spi;
 361         struct r600_shader *rshader = &shader->shader;
 362         unsigned i, tmp, sid;
 363
 364         if (rctx->spi.id == 0)
 365                 r600_spi_block_init(rctx, &rctx->spi);
 366
 367         rstate->nregs = 0;
 368         for (i = 0; i < rshader->ninput; i++) {
 369                 if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
 370                     rshader->input[i].name == TGSI_SEMANTIC_FACE)
 371                         if (rctx->chip_class >= EVERGREEN)
 372                                 continue;
 373                         else
 374                                 sid=0;
 375                 else
 376                         sid=r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i);
 377
 378                 tmp = S_028644_SEMANTIC(sid);
 379
 380                 if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
 381                     rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
 382                     rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
 383                         tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
 384                 }
 385
 386                 if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
 387                     rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
 388                         tmp |= S_028644_PT_SPRITE_TEX(1);
 389                 }
 390
 391                 if (rctx->chip_class < EVERGREEN) {
 392                         if (rshader->input[i].centroid)
 393                                 tmp |= S_028644_SEL_CENTROID(1);
 394
 395                         if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
 396                                 tmp |= S_028644_SEL_LINEAR(1);
 397                 }
 398
 399                 r600_pipe_state_mod_reg(rstate, tmp);
 400         }
 401
 402         rctx->spi_dirty = false;
 403         r600_context_pipe_state_set(&rctx->ctx, rstate);
 404 }
 405
 406 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 407                               struct pipe_resource *buffer)
 408 {
 409         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 410         struct r600_resource *rbuffer = r600_resource(buffer);
 411         struct r600_pipe_resource_state *rstate;
 412         uint32_t offset;
 413
 414         /* Note that the state tracker can unbind constant buffers by
 415          * passing NULL here.
 416          */
 417         if (buffer == NULL) {
 418                 return;
 419         }
 420
 421         r600_upload_const_buffer(rctx, &rbuffer, &offset);
 422
 423         switch (shader) {
 424         case PIPE_SHADER_VERTEX:
 425                 rctx->vs_const_buffer.nregs = 0;
 426                 r600_pipe_state_add_reg(&rctx->vs_const_buffer,
 427                                         R_028180_ALU_CONST_BUFFER_SIZE_VS_0,
 428                                         ALIGN_DIVUP(buffer->width0 >> 4, 16),
 429                                         0xFFFFFFFF, NULL, 0);
 430                 r600_pipe_state_add_reg(&rctx->vs_const_buffer,
 431                                         R_028980_ALU_CONST_CACHE_VS_0,
 432                                         offset >> 8, 0xFFFFFFFF, rbuffer, RADEON_USAGE_READ);
 433                 r600_context_pipe_state_set(&rctx->ctx, &rctx->vs_const_buffer);
 434
 435                 rstate = &rctx->vs_const_buffer_resource[index];
 436                 if (!rstate->id) {
 437                         if (rctx->chip_class >= EVERGREEN) {
 438                                 evergreen_pipe_init_buffer_resource(rctx, rstate);
 439                         } else {
 440                                 r600_pipe_init_buffer_resource(rctx, rstate);
 441                         }
 442                 }
 443
 444                 if (rctx->chip_class >= EVERGREEN) {
 445                         evergreen_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
 446                         evergreen_context_pipe_state_set_vs_resource(&rctx->ctx, rstate, index);
 447                 } else {
 448                         r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
 449                         r600_context_pipe_state_set_vs_resource(&rctx->ctx, rstate, index);
 450                 }
 451                 break;
 452         case PIPE_SHADER_FRAGMENT:
 453                 rctx->ps_const_buffer.nregs = 0;
 454                 r600_pipe_state_add_reg(&rctx->ps_const_buffer,
 455                                         R_028140_ALU_CONST_BUFFER_SIZE_PS_0,
 456                                         ALIGN_DIVUP(buffer->width0 >> 4, 16),
 457                                         0xFFFFFFFF, NULL, 0);
 458                 r600_pipe_state_add_reg(&rctx->ps_const_buffer,
 459                                         R_028940_ALU_CONST_CACHE_PS_0,
 460                                         offset >> 8, 0xFFFFFFFF, rbuffer, RADEON_USAGE_READ);
 461                 r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_const_buffer);
 462
 463                 rstate = &rctx->ps_const_buffer_resource[index];
 464                 if (!rstate->id) {
 465                         if (rctx->chip_class >= EVERGREEN) {
 466                                 evergreen_pipe_init_buffer_resource(rctx, rstate);
 467                         } else {
 468                                 r600_pipe_init_buffer_resource(rctx, rstate);
 469                         }
 470                 }
 471                 if (rctx->chip_class >= EVERGREEN) {
 472                         evergreen_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
 473                         evergreen_context_pipe_state_set_ps_resource(&rctx->ctx, rstate, index);
 474                 } else {
 475                         r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, 16, RADEON_USAGE_READ);
 476                         r600_context_pipe_state_set_ps_resource(&rctx->ctx, rstate, index);
 477                 }
 478                 break;
 479         default:
 480                 R600_ERR("unsupported %d\n", shader);
 481                 return;
 482         }
 483
 484         if (buffer != &rbuffer->b.b.b)
 485                 pipe_resource_reference((struct pipe_resource**)&rbuffer, NULL);
 486 }
 487
 488 static void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
 489 {
 490         struct r600_pipe_resource_state *rstate;
 491         struct r600_resource *rbuffer;
 492         struct pipe_vertex_buffer *vertex_buffer;
 493         unsigned i, count, offset;
 494
 495         if (rctx->vertex_elements->vbuffer_need_offset) {
 496                 /* one resource per vertex elements */
 497                 count = rctx->vertex_elements->count;
 498         } else {
 499                 /* bind vertex buffer once */
 500                 count = rctx->vbuf_mgr->nr_real_vertex_buffers;
 501         }
 502
 503         for (i = 0 ; i < count; i++) {
 504                 rstate = &rctx->fs_resource[i];
 505
 506                 if (rctx->vertex_elements->vbuffer_need_offset) {
 507                         /* one resource per vertex elements */
 508                         unsigned vbuffer_index;
 509                         vbuffer_index = rctx->vertex_elements->elements[i].vertex_buffer_index;
 510                         vertex_buffer = &rctx->vbuf_mgr->real_vertex_buffer[vbuffer_index];
 511                         rbuffer = (struct r600_resource*)vertex_buffer->buffer;
 512                         offset = rctx->vertex_elements->vbuffer_offset[i];
 513                 } else {
 514                         /* bind vertex buffer once */
 515                         vertex_buffer = &rctx->vbuf_mgr->real_vertex_buffer[i];
 516                         rbuffer = (struct r600_resource*)vertex_buffer->buffer;
 517                         offset = 0;
 518                 }
 519                 if (vertex_buffer == NULL || rbuffer == NULL)
 520                         continue;
 521                 offset += vertex_buffer->buffer_offset;
 522
 523                 if (!rstate->id) {
 524                         if (rctx->chip_class >= EVERGREEN) {
 525                                 evergreen_pipe_init_buffer_resource(rctx, rstate);
 526                         } else {
 527                                 r600_pipe_init_buffer_resource(rctx, rstate);
 528                         }
 529                 }
 530
 531                 if (rctx->chip_class >= EVERGREEN) {
 532                         evergreen_pipe_mod_buffer_resource(rstate, rbuffer, offset, vertex_buffer->stride, RADEON_USAGE_READ);
 533                         evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, rstate, i);
 534                 } else {
 535                         r600_pipe_mod_buffer_resource(rstate, rbuffer, offset, vertex_buffer->stride, RADEON_USAGE_READ);
 536                         r600_context_pipe_state_set_fs_resource(&rctx->ctx, rstate, i);
 537                 }
 538         }
 539 }
 540
 541 static int r600_shader_rebuild(struct pipe_context * ctx, struct r600_pipe_shader * shader)
 542 {
 543         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 544         int r;
 545
 546         r600_pipe_shader_destroy(ctx, shader);
 547         r = r600_pipe_shader_create(ctx, shader);
 548         if (r) {
 549                 return r;
 550         }
 551         r600_context_pipe_state_set(&rctx->ctx, &shader->rstate);
 552
 553         return 0;
 554 }
 555
 556 static void r600_update_derived_state(struct r600_pipe_context *rctx)
 557 {
 558         if (!rctx->blitter->running) {
 559                 if (rctx->have_depth_fb || rctx->have_depth_texture)
 560                         r600_flush_depth_textures(rctx);
 561         }
 562
 563         if (rctx->chip_class < EVERGREEN) {
 564                 r600_update_sampler_states(rctx);
 565         }
 566
 567         if (rctx->vs_shader->shader.clamp_color != rctx->clamp_vertex_color) {
 568                 r600_shader_rebuild(&rctx->context, rctx->vs_shader);
 569         }
 570
 571         if ((rctx->ps_shader->shader.clamp_color != rctx->clamp_fragment_color) ||
 572             ((rctx->chip_class >= EVERGREEN) && rctx->ps_shader->shader.fs_write_all &&
 573              (rctx->ps_shader->shader.nr_cbufs != rctx->nr_cbufs))) {
 574                 r600_shader_rebuild(&rctx->context, rctx->ps_shader);
 575         }
 576
 577         if (rctx->spi_dirty) {
 578                 r600_spi_update(rctx);
 579         }
 580
 581         if (rctx->alpha_ref_dirty) {
 582                 r600_update_alpha_ref(rctx);
 583         }
 584 }
 585
 586 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)
 587 {
 588         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 589         struct pipe_draw_info info = *dinfo;
 590         struct r600_draw rdraw = {};
 591         struct pipe_index_buffer ib = {};
 592         unsigned prim, mask;
 593
 594         if (!info.count ||
 595             (info.indexed && !rctx->index_buffer.buffer) ||
 596             !r600_conv_pipe_prim(info.mode, &prim)) {
 597                 return;
 598         }
 599
 600         r600_update_derived_state(rctx);
 601
 602         u_vbuf_draw_begin(rctx->vbuf_mgr, dinfo);
 603         r600_vertex_buffer_update(rctx);
 604
 605         rdraw.vgt_num_indices = info.count;
 606         rdraw.vgt_num_instances = info.instance_count;
 607
 608         if (info.indexed) {
 609                 /* Adjust min/max_index by the index bias. */
 610                 if (info.max_index != ~0) {
 611                         info.min_index += info.index_bias;
 612                         info.max_index += info.index_bias;
 613                 }
 614
 615                 /* Initialize the index buffer struct. */
 616                 pipe_resource_reference(&ib.buffer, rctx->index_buffer.buffer);
 617                 ib.index_size = rctx->index_buffer.index_size;
 618                 ib.offset = rctx->index_buffer.offset + info.start * ib.index_size;
 619
 620                 /* Translate or upload, if needed. */
 621                 r600_translate_index_buffer(rctx, &ib, info.count);
 622
 623                 if (u_vbuf_resource(ib.buffer)->user_ptr) {
 624                         r600_upload_index_buffer(rctx, &ib, info.count);
 625                 }
 626
 627                 /* Initialize the r600_draw struct with index buffer info. */
 628                 if (ib.index_size == 4) {
 629                         rdraw.vgt_index_type = VGT_INDEX_32 |
 630                                 (R600_BIG_ENDIAN ? VGT_DMA_SWAP_32_BIT : 0);
 631                 } else {
 632                         rdraw.vgt_index_type = VGT_INDEX_16 |
 633                                 (R600_BIG_ENDIAN ? VGT_DMA_SWAP_16_BIT : 0);
 634                 }
 635                 rdraw.indices = (struct r600_resource*)ib.buffer;
 636                 rdraw.indices_bo_offset = ib.offset;
 637                 rdraw.vgt_draw_initiator = V_0287F0_DI_SRC_SEL_DMA;
 638         } else {
 639                 info.index_bias = info.start;
 640                 rdraw.vgt_draw_initiator = V_0287F0_DI_SRC_SEL_AUTO_INDEX;
 641         }
 642
 643         mask = (1ULL << ((unsigned)rctx->framebuffer.nr_cbufs * 4)) - 1;
 644
 645         if (rctx->vgt.id != R600_PIPE_STATE_VGT) {
 646                 rctx->vgt.id = R600_PIPE_STATE_VGT;
 647                 rctx->vgt.nregs = 0;
 648                 r600_pipe_state_add_reg(&rctx->vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL, 0);
 649                 r600_pipe_state_add_reg(&rctx->vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL, 0);
 650                 r600_pipe_state_add_reg(&rctx->vgt, R_028400_VGT_MAX_VTX_INDX, info.max_index, 0xFFFFFFFF, NULL, 0);
 651                 r600_pipe_state_add_reg(&rctx->vgt, R_028404_VGT_MIN_VTX_INDX, info.min_index, 0xFFFFFFFF, NULL, 0);
 652                 r600_pipe_state_add_reg(&rctx->vgt, R_028408_VGT_INDX_OFFSET, info.index_bias, 0xFFFFFFFF, NULL, 0);
 653                 r600_pipe_state_add_reg(&rctx->vgt, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, info.restart_index, 0xFFFFFFFF, NULL, 0);
 654                 r600_pipe_state_add_reg(&rctx->vgt, R_028A94_VGT_MULTI_PRIM_IB_RESET_EN, info.primitive_restart, 0xFFFFFFFF, NULL, 0);
 655                 r600_pipe_state_add_reg(&rctx->vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL, 0);
 656                 r600_pipe_state_add_reg(&rctx->vgt, R_03CFF4_SQ_VTX_START_INST_LOC, info.start_instance, 0xFFFFFFFF, NULL, 0);
 657                 r600_pipe_state_add_reg(&rctx->vgt, R_028814_PA_SU_SC_MODE_CNTL,
 658                                         0,
 659                                         S_028814_PROVOKING_VTX_LAST(1), NULL, 0);
 660         }
 661
 662         rctx->vgt.nregs = 0;
 663         r600_pipe_state_mod_reg(&rctx->vgt, prim);
 664         r600_pipe_state_mod_reg(&rctx->vgt, rctx->cb_target_mask & mask);
 665         r600_pipe_state_mod_reg(&rctx->vgt, info.max_index);
 666         r600_pipe_state_mod_reg(&rctx->vgt, info.min_index);
 667         r600_pipe_state_mod_reg(&rctx->vgt, info.index_bias);
 668         r600_pipe_state_mod_reg(&rctx->vgt, info.restart_index);
 669         r600_pipe_state_mod_reg(&rctx->vgt, info.primitive_restart);
 670         r600_pipe_state_mod_reg(&rctx->vgt, 0);
 671         r600_pipe_state_mod_reg(&rctx->vgt, info.start_instance);
 672         if (info.mode == PIPE_PRIM_QUADS || info.mode == PIPE_PRIM_QUAD_STRIP || info.mode == PIPE_PRIM_POLYGON) {
 673                 r600_pipe_state_mod_reg(&rctx->vgt, S_028814_PROVOKING_VTX_LAST(1));
 674         }
 675
 676         r600_context_pipe_state_set(&rctx->ctx, &rctx->vgt);
 677
 678         if (rctx->chip_class >= EVERGREEN) {
 679                 evergreen_context_draw(&rctx->ctx, &rdraw);
 680         } else {
 681                 r600_context_draw(&rctx->ctx, &rdraw);
 682         }
 683
 684         if (rctx->framebuffer.zsbuf)
 685         {
 686                 struct pipe_resource *tex = rctx->framebuffer.zsbuf->texture;
 687                 ((struct r600_resource_texture *)tex)->dirty_db = TRUE;
 688         }
 689
 690         pipe_resource_reference(&ib.buffer, NULL);
 691         u_vbuf_draw_end(rctx->vbuf_mgr);
 692 }
 693
 694 void _r600_pipe_state_add_reg(struct r600_context *ctx,
 695                               struct r600_pipe_state *state,
 696                               u32 offset, u32 value, u32 mask,
 697                               u32 range_id, u32 block_id,
 698                               struct r600_resource *bo,
 699                               enum radeon_bo_usage usage)
 700 {
 701         struct r600_range *range;
 702         struct r600_block *block;
 703
 704         if (bo) assert(usage);
 705
 706         range = &ctx->range[range_id];
 707         block = range->blocks[block_id];
 708         state->regs[state->nregs].block = block;
 709         state->regs[state->nregs].id = (offset - block->start_offset) >> 2;
 710
 711         state->regs[state->nregs].value = value;
 712         state->regs[state->nregs].mask = mask;
 713         state->regs[state->nregs].bo = bo;
 714         state->regs[state->nregs].bo_usage = usage;
 715
 716         state->nregs++;
 717         assert(state->nregs < R600_BLOCK_MAX_REG);
 718 }
 719
 720 void r600_pipe_state_add_reg_noblock(struct r600_pipe_state *state,
 721                                      u32 offset, u32 value, u32 mask,
 722                                      struct r600_resource *bo,
 723                                      enum radeon_bo_usage usage)
 724 {
 725         if (bo) assert(usage);
 726
 727         state->regs[state->nregs].id = offset;
 728         state->regs[state->nregs].block = NULL;
 729         state->regs[state->nregs].value = value;
 730         state->regs[state->nregs].mask = mask;
 731         state->regs[state->nregs].bo = bo;
 732         state->regs[state->nregs].bo_usage = usage;
 733
 734         state->nregs++;
 735         assert(state->nregs < R600_BLOCK_MAX_REG);
 736 }