src/gallium/drivers/r600/r600_state.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #include <stdio.h>
  27 #include <errno.h>
  28 #include "util/u_inlines.h"
  29 #include "util/u_format.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_pack_color.h"
  32 #include "r600_screen.h"
  33 #include "r600_context.h"
  34 #include "r600_resource.h"
  35
  36 static void clean_flush(struct r600_context *rctx, struct radeon_state *flush);
  37 static int setup_cb_flush(struct r600_context *rctx, struct radeon_state *flush);
  38 static int setup_db_flush(struct r600_context *rctx, struct radeon_state *flush);
  39
  40 static struct r600_context_state *r600_new_context_state(unsigned type)
  41 {
  42         struct r600_context_state *rstate = CALLOC_STRUCT(r600_context_state);
  43         if (rstate == NULL)
  44                 return NULL;
  45         rstate->type = type;
  46         rstate->refcount = 1;
  47         return rstate;
  48 }
  49
  50 static void *r600_create_blend_state(struct pipe_context *ctx,
  51                                         const struct pipe_blend_state *state)
  52 {
  53         struct r600_context *rctx = r600_context(ctx);
  54         struct r600_context_state *rstate;
  55
  56         rstate = r600_new_context_state(pipe_blend_type);
  57         rstate->state.blend = *state;
  58         rctx->vtbl->blend(rctx, &rstate->rstate[0], &rstate->state.blend);
  59
  60         return rstate;
  61 }
  62
  63 static void *r600_create_dsa_state(struct pipe_context *ctx,
  64                                    const struct pipe_depth_stencil_alpha_state *state)
  65 {
  66         struct r600_context_state *rstate;
  67
  68         rstate = r600_new_context_state(pipe_dsa_type);
  69         rstate->state.dsa = *state;
  70         return rstate;
  71 }
  72
  73 static void *r600_create_rs_state(struct pipe_context *ctx,
  74                                         const struct pipe_rasterizer_state *state)
  75 {
  76         struct r600_context_state *rstate;
  77
  78         rstate = r600_new_context_state(pipe_rasterizer_type);
  79         rstate->state.rasterizer = *state;
  80         return rstate;
  81 }
  82
  83 static void *r600_create_sampler_state(struct pipe_context *ctx,
  84                                         const struct pipe_sampler_state *state)
  85 {
  86         struct r600_context *rctx = r600_context(ctx);
  87         struct r600_context_state *rstate;
  88
  89         rstate = r600_new_context_state(pipe_sampler_type);
  90         rstate->state.sampler = *state;
  91         rctx->vtbl->sampler(rctx, &rstate->rstate[0], &rstate->state.sampler, 0);
  92         rctx->vtbl->sampler_border(rctx, &rstate->rstate[1], &rstate->state.sampler, 0);
  93         return rstate;
  94 }
  95
  96 static void r600_remove_sampler_view(struct r600_shader_sampler_states *sampler,
  97                                      struct r600_context_state *rstate)
  98 {
  99         int i, j;
 100
 101         for (i = 0; i < sampler->nview; i++) {
 102                 for (j = 0; j < rstate->nrstate; j++) {
 103                         if (sampler->view[i] == &rstate->rstate[j])
 104                                 sampler->view[i] = NULL;
 105                 }
 106         }
 107 }
 108 static void r600_sampler_view_destroy(struct pipe_context *ctx,
 109                                       struct pipe_sampler_view *state)
 110 {
 111         struct r600_context_state *rstate = (struct r600_context_state *)state;
 112         struct r600_context *rctx = r600_context(ctx);
 113
 114         /* need to search list of vs/ps sampler views and remove it from any - uggh */
 115         r600_remove_sampler_view(&rctx->ps_sampler, rstate);
 116         r600_remove_sampler_view(&rctx->vs_sampler, rstate);
 117         r600_context_state_decref(rstate);
 118 }
 119
 120 static struct pipe_sampler_view *r600_create_sampler_view(struct pipe_context *ctx,
 121                                                         struct pipe_resource *texture,
 122                                                         const struct pipe_sampler_view *state)
 123 {
 124         struct r600_context_state *rstate;
 125         struct r600_context *rctx = r600_context(ctx);
 126
 127         rstate = r600_new_context_state(pipe_sampler_view_type);
 128         rstate->state.sampler_view = *state;
 129         rstate->state.sampler_view.texture = NULL;
 130         pipe_reference(NULL, &texture->reference);
 131         rstate->state.sampler_view.texture = texture;
 132         rstate->state.sampler_view.reference.count = 1;
 133         rstate->state.sampler_view.context = ctx;
 134         rctx->vtbl->resource(ctx, &rstate->rstate[0], &rstate->state.sampler_view, 0);
 135         return &rstate->state.sampler_view;
 136 }
 137
 138 static void r600_set_sampler_view(struct pipe_context *ctx,
 139                                   unsigned count,
 140                                   struct pipe_sampler_view **views,
 141                                   struct r600_shader_sampler_states *sampler,
 142                                   unsigned shader_id)
 143 {
 144         struct r600_context *rctx = r600_context(ctx);
 145         struct r600_context_state *rstate;
 146         unsigned i;
 147
 148         for (i = 0; i < sampler->nview; i++) {
 149                 radeon_draw_unbind(&rctx->draw, sampler->view[i]);
 150         }
 151
 152         for (i = 0; i < count; i++) {
 153                 rstate = (struct r600_context_state *)views[i];
 154                 if (rstate) {
 155                         rstate->nrstate = 0;
 156                 }
 157         }
 158         for (i = 0; i < count; i++) {
 159                 rstate = (struct r600_context_state *)views[i];
 160                 if (rstate) {
 161                         if (rstate->nrstate >= R600_MAX_RSTATE)
 162                                 continue;
 163                         if (rstate->nrstate) {
 164                                 memcpy(&rstate->rstate[rstate->nrstate], &rstate->rstate[0], sizeof(struct radeon_state));
 165                         }
 166                         radeon_state_convert(&rstate->rstate[rstate->nrstate], R600_STATE_RESOURCE, i, shader_id);
 167                         sampler->view[i] = &rstate->rstate[rstate->nrstate];
 168                         rstate->nrstate++;
 169                 }
 170         }
 171         sampler->nview = count;
 172 }
 173
 174 static void r600_set_ps_sampler_view(struct pipe_context *ctx,
 175                                         unsigned count,
 176                                         struct pipe_sampler_view **views)
 177 {
 178         struct r600_context *rctx = r600_context(ctx);
 179         r600_set_sampler_view(ctx, count, views, &rctx->ps_sampler, R600_SHADER_PS);
 180 }
 181
 182 static void r600_set_vs_sampler_view(struct pipe_context *ctx,
 183                                         unsigned count,
 184                                         struct pipe_sampler_view **views)
 185 {
 186         struct r600_context *rctx = r600_context(ctx);
 187         r600_set_sampler_view(ctx, count, views, &rctx->vs_sampler, R600_SHADER_VS);
 188 }
 189
 190 static void *r600_create_shader_state(struct pipe_context *ctx,
 191                                         const struct pipe_shader_state *state)
 192 {
 193         struct r600_context *rctx = r600_context(ctx);
 194         struct r600_context_state *rstate;
 195         int r;
 196
 197         rstate = r600_new_context_state(pipe_shader_type);
 198         rstate->state.shader = *state;
 199         r =  r600_pipe_shader_create(&rctx->context, rstate, rstate->state.shader.tokens);
 200         if (r) {
 201                 r600_context_state_decref(rstate);
 202                 return NULL;
 203         }
 204         return rstate;
 205 }
 206
 207 static void *r600_create_vertex_elements(struct pipe_context *ctx,
 208                                 unsigned count,
 209                                 const struct pipe_vertex_element *elements)
 210 {
 211         struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
 212
 213         assert(count < 32);
 214         v->count = count;
 215         memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
 216         v->refcount = 1;
 217         return v;
 218 }
 219
 220 static void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
 221 {
 222         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 223
 224         if (v == NULL)
 225                 return;
 226         if (--v->refcount)
 227                 return;
 228         free(v);
 229 }
 230
 231 static void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 232 {
 233         struct r600_context *rctx = r600_context(ctx);
 234         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 235
 236         r600_delete_vertex_element(ctx, rctx->vertex_elements);
 237         rctx->vertex_elements = v;
 238         if (v) {
 239                 v->refcount++;
 240         }
 241 }
 242
 243 static void r600_bind_rasterizer_state(struct pipe_context *ctx, void *state)
 244 {
 245         struct r600_context *rctx = r600_context(ctx);
 246         struct r600_context_state *rstate = (struct r600_context_state *)state;
 247
 248         if (state == NULL)
 249                 return;
 250         rctx->rasterizer = r600_context_state_decref(rctx->rasterizer);
 251         rctx->rasterizer = r600_context_state_incref(rstate);
 252 }
 253
 254 static void r600_bind_blend_state(struct pipe_context *ctx, void *state)
 255 {
 256         struct r600_context *rctx = r600_context(ctx);
 257         struct r600_context_state *rstate = (struct r600_context_state *)state;
 258
 259         if (state == NULL)
 260                 return;
 261         rctx->blend = r600_context_state_decref(rctx->blend);
 262         rctx->blend = r600_context_state_incref(rstate);
 263
 264 }
 265
 266 static void r600_bind_dsa_state(struct pipe_context *ctx, void *state)
 267 {
 268         struct r600_context *rctx = r600_context(ctx);
 269         struct r600_context_state *rstate = (struct r600_context_state *)state;
 270
 271         if (state == NULL)
 272                 return;
 273         rctx->dsa = r600_context_state_decref(rctx->dsa);
 274         rctx->dsa = r600_context_state_incref(rstate);
 275 }
 276
 277 static void r600_bind_ps_shader(struct pipe_context *ctx, void *state)
 278 {
 279         struct r600_context *rctx = r600_context(ctx);
 280         struct r600_context_state *rstate = (struct r600_context_state *)state;
 281
 282         rctx->ps_shader = r600_context_state_decref(rctx->ps_shader);
 283         rctx->ps_shader = r600_context_state_incref(rstate);
 284 }
 285
 286 static void r600_bind_vs_shader(struct pipe_context *ctx, void *state)
 287 {
 288         struct r600_context *rctx = r600_context(ctx);
 289         struct r600_context_state *rstate = (struct r600_context_state *)state;
 290
 291         rctx->vs_shader = r600_context_state_decref(rctx->vs_shader);
 292         rctx->vs_shader = r600_context_state_incref(rstate);
 293 }
 294
 295 static void r600_bind_sampler_shader(struct pipe_context *ctx,
 296                                      unsigned count, void **states,
 297                                      struct r600_shader_sampler_states *sampler, unsigned shader_id)
 298 {
 299         struct r600_context *rctx = r600_context(ctx);
 300         struct r600_context_state *rstate;
 301         unsigned i;
 302
 303         for (i = 0; i < sampler->nsampler; i++) {
 304                 radeon_draw_unbind(&rctx->draw, sampler->sampler[i]);
 305         }
 306         for (i = 0; i < sampler->nborder; i++) {
 307                 radeon_draw_unbind(&rctx->draw, sampler->border[i]);
 308         }
 309         for (i = 0; i < count; i++) {
 310                 rstate = (struct r600_context_state *)states[i];
 311                 if (rstate) {
 312                         rstate->nrstate = 0;
 313                 }
 314         }
 315         for (i = 0; i < count; i++) {
 316                 rstate = (struct r600_context_state *)states[i];
 317                 if (rstate) {
 318                         if (rstate->nrstate >= R600_MAX_RSTATE)
 319                                 continue;
 320                         if (rstate->nrstate) {
 321                                 memcpy(&rstate->rstate[rstate->nrstate], &rstate->rstate[0], sizeof(struct radeon_state));
 322                                 memcpy(&rstate->rstate[rstate->nrstate+1], &rstate->rstate[1], sizeof(struct radeon_state));
 323                         }
 324                         radeon_state_convert(&rstate->rstate[rstate->nrstate], R600_STATE_SAMPLER, i, shader_id);
 325                         radeon_state_convert(&rstate->rstate[rstate->nrstate + 1], R600_STATE_SAMPLER_BORDER, i, shader_id);
 326                         sampler->sampler[i] = &rstate->rstate[rstate->nrstate];
 327                         sampler->border[i] = &rstate->rstate[rstate->nrstate + 1];
 328                         rstate->nrstate += 2;
 329                 }
 330         }
 331         sampler->nsampler = count;
 332         sampler->nborder = count;
 333 }
 334
 335 static void r600_bind_ps_sampler(struct pipe_context *ctx,
 336                                         unsigned count, void **states)
 337 {
 338         struct r600_context *rctx = r600_context(ctx);
 339         r600_bind_sampler_shader(ctx, count, states, &rctx->ps_sampler, R600_SHADER_PS);
 340 }
 341
 342 static void r600_bind_vs_sampler(struct pipe_context *ctx,
 343                                         unsigned count, void **states)
 344 {
 345         struct r600_context *rctx = r600_context(ctx);
 346         r600_bind_sampler_shader(ctx, count, states, &rctx->vs_sampler, R600_SHADER_VS);
 347 }
 348
 349 static void r600_delete_state(struct pipe_context *ctx, void *state)
 350 {
 351         struct r600_context_state *rstate = (struct r600_context_state *)state;
 352
 353         r600_context_state_decref(rstate);
 354 }
 355
 356 static void r600_set_blend_color(struct pipe_context *ctx,
 357                                         const struct pipe_blend_color *color)
 358 {
 359         struct r600_context *rctx = r600_context(ctx);
 360
 361         rctx->blend_color = *color;
 362 }
 363
 364 static void r600_set_clip_state(struct pipe_context *ctx,
 365                                 const struct pipe_clip_state *state)
 366 {
 367         struct r600_context *rctx = r600_context(ctx);
 368         struct r600_context_state *rstate;
 369
 370         r600_context_state_decref(rctx->clip);
 371
 372         rstate = r600_new_context_state(pipe_clip_type);
 373         rstate->state.clip = *state;
 374         rctx->vtbl->ucp(rctx, &rstate->rstate[0], &rstate->state.clip);
 375         rctx->clip = rstate;
 376 }
 377
 378 static void r600_set_framebuffer_state(struct pipe_context *ctx,
 379                                         const struct pipe_framebuffer_state *state)
 380 {
 381         struct r600_context *rctx = r600_context(ctx);
 382         struct r600_context_state *rstate;
 383         int i;
 384
 385         if (rctx->framebuffer) {
 386                 for (i = 0; i < rctx->framebuffer->state.framebuffer.nr_cbufs; i++)
 387                         radeon_draw_unbind(&rctx->draw, &rctx->framebuffer->rstate[i+1]);
 388                 radeon_draw_unbind(&rctx->draw, &rctx->framebuffer->rstate[0]);
 389         }
 390         clean_flush(rctx, &rctx->hw_states.cb_flush);
 391         clean_flush(rctx, &rctx->hw_states.db_flush);
 392
 393         r600_context_state_decref(rctx->framebuffer);
 394
 395         rstate = r600_new_context_state(pipe_framebuffer_type);
 396         rstate->state.framebuffer = *state;
 397         for (i = 0; i < rstate->state.framebuffer.nr_cbufs; i++) {
 398                 pipe_reference(NULL, &state->cbufs[i]->reference);
 399         }
 400         pipe_reference(NULL, &state->zsbuf->reference);
 401         rctx->framebuffer = rstate;
 402         for (i = 0; i < state->nr_cbufs; i++) {
 403                 rctx->vtbl->cb(rctx, &rstate->rstate[i+1], state, i);
 404         }
 405         if (state->zsbuf) {
 406                 rctx->vtbl->db(rctx, &rstate->rstate[0], state);
 407         }
 408         /* setup flush states */
 409         setup_cb_flush(rctx, &rctx->hw_states.cb_flush);
 410         setup_db_flush(rctx, &rctx->hw_states.db_flush);
 411
 412         return;
 413 }
 414
 415 static void r600_set_polygon_stipple(struct pipe_context *ctx,
 416                                          const struct pipe_poly_stipple *state)
 417 {
 418 }
 419
 420 static void r600_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 421 {
 422 }
 423
 424 static void r600_set_scissor_state(struct pipe_context *ctx,
 425                                         const struct pipe_scissor_state *state)
 426 {
 427         struct r600_context *rctx = r600_context(ctx);
 428         struct r600_context_state *rstate;
 429
 430         r600_context_state_decref(rctx->scissor);
 431
 432         rstate = r600_new_context_state(pipe_scissor_type);
 433         rstate->state.scissor = *state;
 434         rctx->scissor = rstate;
 435 }
 436
 437 static void r600_set_stencil_ref(struct pipe_context *ctx,
 438                                 const struct pipe_stencil_ref *state)
 439 {
 440         struct r600_context *rctx = r600_context(ctx);
 441         struct r600_context_state *rstate;
 442
 443         r600_context_state_decref(rctx->stencil_ref);
 444
 445         rstate = r600_new_context_state(pipe_stencil_ref_type);
 446         rstate->state.stencil_ref = *state;
 447         rctx->stencil_ref = rstate;
 448 }
 449
 450 static void r600_set_vertex_buffers(struct pipe_context *ctx,
 451                                         unsigned count,
 452                                         const struct pipe_vertex_buffer *buffers)
 453 {
 454         struct r600_context *rctx = r600_context(ctx);
 455         unsigned i;
 456         boolean any_user_buffers = FALSE;
 457
 458         for (i = 0; i < rctx->nvertex_buffer; i++) {
 459                 pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
 460         }
 461         memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
 462         for (i = 0; i < count; i++) {
 463                 rctx->vertex_buffer[i].buffer = NULL;
 464                 if (r600_buffer_is_user_buffer(buffers[i].buffer))
 465                         any_user_buffers = TRUE;
 466                 pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
 467         }
 468         rctx->any_user_vbs = any_user_buffers;
 469         rctx->nvertex_buffer = count;
 470 }
 471
 472 static void r600_set_index_buffer(struct pipe_context *ctx,
 473                                   const struct pipe_index_buffer *ib)
 474 {
 475         struct r600_context *rctx = r600_context(ctx);
 476
 477         if (ib) {
 478                 pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
 479                 memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
 480         } else {
 481                 pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
 482                 memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
 483         }
 484
 485         /* TODO make this more like a state */
 486 }
 487
 488 static void r600_set_viewport_state(struct pipe_context *ctx,
 489                                         const struct pipe_viewport_state *state)
 490 {
 491         struct r600_context *rctx = r600_context(ctx);
 492         struct r600_context_state *rstate;
 493
 494         r600_context_state_decref(rctx->viewport);
 495
 496         rstate = r600_new_context_state(pipe_viewport_type);
 497         rstate->state.viewport = *state;
 498         rctx->vtbl->viewport(rctx, &rstate->rstate[0], &rstate->state.viewport);
 499         rctx->viewport = rstate;
 500 }
 501
 502 void r600_init_state_functions(struct r600_context *rctx)
 503 {
 504         rctx->context.create_blend_state = r600_create_blend_state;
 505         rctx->context.create_depth_stencil_alpha_state = r600_create_dsa_state;
 506         rctx->context.create_fs_state = r600_create_shader_state;
 507         rctx->context.create_rasterizer_state = r600_create_rs_state;
 508         rctx->context.create_sampler_state = r600_create_sampler_state;
 509         rctx->context.create_sampler_view = r600_create_sampler_view;
 510         rctx->context.create_vertex_elements_state = r600_create_vertex_elements;
 511         rctx->context.create_vs_state = r600_create_shader_state;
 512         rctx->context.bind_blend_state = r600_bind_blend_state;
 513         rctx->context.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
 514         rctx->context.bind_fragment_sampler_states = r600_bind_ps_sampler;
 515         rctx->context.bind_fs_state = r600_bind_ps_shader;
 516         rctx->context.bind_rasterizer_state = r600_bind_rasterizer_state;
 517         rctx->context.bind_vertex_elements_state = r600_bind_vertex_elements;
 518         rctx->context.bind_vertex_sampler_states = r600_bind_vs_sampler;
 519         rctx->context.bind_vs_state = r600_bind_vs_shader;
 520         rctx->context.delete_blend_state = r600_delete_state;
 521         rctx->context.delete_depth_stencil_alpha_state = r600_delete_state;
 522         rctx->context.delete_fs_state = r600_delete_state;
 523         rctx->context.delete_rasterizer_state = r600_delete_state;
 524         rctx->context.delete_sampler_state = r600_delete_state;
 525         rctx->context.delete_vertex_elements_state = r600_delete_vertex_element;
 526         rctx->context.delete_vs_state = r600_delete_state;
 527         rctx->context.set_blend_color = r600_set_blend_color;
 528         rctx->context.set_clip_state = r600_set_clip_state;
 529
 530         if (rctx->screen->chip_class == EVERGREEN)
 531                 rctx->context.set_constant_buffer = eg_set_constant_buffer;
 532         else if (rctx->screen->use_mem_constant)
 533                 rctx->context.set_constant_buffer = r600_set_constant_buffer_mem;
 534         else
 535                 rctx->context.set_constant_buffer = r600_set_constant_buffer_file;
 536
 537         rctx->context.set_fragment_sampler_views = r600_set_ps_sampler_view;
 538         rctx->context.set_framebuffer_state = r600_set_framebuffer_state;
 539         rctx->context.set_polygon_stipple = r600_set_polygon_stipple;
 540         rctx->context.set_sample_mask = r600_set_sample_mask;
 541         rctx->context.set_scissor_state = r600_set_scissor_state;
 542         rctx->context.set_stencil_ref = r600_set_stencil_ref;
 543         rctx->context.set_vertex_buffers = r600_set_vertex_buffers;
 544         rctx->context.set_index_buffer = r600_set_index_buffer;
 545         rctx->context.set_vertex_sampler_views = r600_set_vs_sampler_view;
 546         rctx->context.set_viewport_state = r600_set_viewport_state;
 547         rctx->context.sampler_view_destroy = r600_sampler_view_destroy;
 548 }
 549
 550 struct r600_context_state *r600_context_state_incref(struct r600_context_state *rstate)
 551 {
 552         if (rstate == NULL)
 553                 return NULL;
 554         rstate->refcount++;
 555         return rstate;
 556 }
 557
 558 struct r600_context_state *r600_context_state_decref(struct r600_context_state *rstate)
 559 {
 560         unsigned i;
 561
 562         if (rstate == NULL)
 563                 return NULL;
 564         if (--rstate->refcount)
 565                 return NULL;
 566         switch (rstate->type) {
 567         case pipe_sampler_view_type:
 568                 pipe_resource_reference(&rstate->state.sampler_view.texture, NULL);
 569                 break;
 570         case pipe_framebuffer_type:
 571                 for (i = 0; i < rstate->state.framebuffer.nr_cbufs; i++) {
 572                         pipe_surface_reference(&rstate->state.framebuffer.cbufs[i], NULL);
 573                         radeon_state_fini(&rstate->rstate[i+1]);
 574                 }
 575                 pipe_surface_reference(&rstate->state.framebuffer.zsbuf, NULL);
 576                 break;
 577         case pipe_viewport_type:
 578         case pipe_depth_type:
 579         case pipe_rasterizer_type:
 580         case pipe_poly_stipple_type:
 581         case pipe_scissor_type:
 582         case pipe_clip_type:
 583         case pipe_stencil_type:
 584         case pipe_alpha_type:
 585         case pipe_dsa_type:
 586         case pipe_blend_type:
 587         case pipe_stencil_ref_type:
 588         case pipe_shader_type:
 589         case pipe_sampler_type:
 590                 break;
 591         default:
 592                 R600_ERR("invalid type %d\n", rstate->type);
 593                 return NULL;
 594         }
 595         radeon_state_fini(&rstate->rstate[0]);
 596         FREE(rstate);
 597         return NULL;
 598 }
 599
 600 static void r600_bind_shader_sampler(struct r600_context *rctx, struct r600_shader_sampler_states *sampler)
 601 {
 602         int i;
 603
 604         for (i = 0; i < sampler->nsampler; i++) {
 605                 if (sampler->sampler[i])
 606                         radeon_draw_bind(&rctx->draw, sampler->sampler[i]);
 607         }
 608
 609         for (i = 0; i < sampler->nborder; i++) {
 610                 if (sampler->border[i])
 611                         radeon_draw_bind(&rctx->draw, sampler->border[i]);
 612         }
 613
 614         for (i = 0; i < sampler->nview; i++) {
 615                 if (sampler->view[i])
 616                         radeon_draw_bind(&rctx->draw, sampler->view[i]);
 617         }
 618 }
 619
 620 static void clean_flush(struct r600_context *rctx, struct radeon_state *flush)
 621 {
 622         struct r600_screen *rscreen = rctx->screen;
 623         int i;
 624
 625         for (i = 0 ; i < flush->nbo; i++) {
 626                 radeon_ws_bo_reference(rscreen->rw, &flush->bo[i], NULL);
 627         }
 628         flush->nbo = 0;
 629         radeon_state_fini(flush);
 630 }
 631
 632 static int setup_cb_flush(struct r600_context *rctx, struct radeon_state *flush)
 633 {
 634         struct r600_screen *rscreen = rctx->screen;
 635         struct r600_resource_texture *rtex;
 636         struct r600_resource *rbuffer;
 637         struct pipe_surface *surf;
 638         int i;
 639
 640         radeon_state_init(flush, rscreen->rw, R600_STATE_CB_FLUSH, 0, 0);
 641
 642         for (i = 0; i < rctx->framebuffer->state.framebuffer.nr_cbufs; i++) {
 643                 surf = rctx->framebuffer->state.framebuffer.cbufs[i];
 644
 645                 rtex = (struct r600_resource_texture*)surf->texture;
 646                 rbuffer = &rtex->resource;
 647                 /* just need to the bo to the flush list */
 648                 radeon_ws_bo_reference(rscreen->rw, &flush->bo[i], rbuffer->bo);
 649                 flush->placement[i] = RADEON_GEM_DOMAIN_VRAM;
 650         }
 651         flush->nbo = rctx->framebuffer->state.framebuffer.nr_cbufs;
 652         return radeon_state_pm4(flush);
 653 }
 654
 655 static int setup_db_flush(struct r600_context *rctx, struct radeon_state *flush)
 656 {
 657         struct r600_screen *rscreen = rctx->screen;
 658         struct r600_resource_texture *rtex;
 659         struct r600_resource *rbuffer;
 660         struct pipe_surface *surf;
 661
 662         surf = rctx->framebuffer->state.framebuffer.zsbuf;
 663
 664         if (!surf)
 665                 return 0;
 666
 667         radeon_state_init(flush, rscreen->rw, R600_STATE_DB_FLUSH, 0, 0);
 668         rtex = (struct r600_resource_texture*)surf->texture;
 669         rbuffer = &rtex->resource;
 670         /* just need to the bo to the flush list */
 671         radeon_ws_bo_reference(rscreen->rw, &flush->bo[0], rbuffer->bo);
 672         flush->placement[0] = RADEON_GEM_DOMAIN_VRAM;
 673
 674         flush->nbo = 1;
 675         return radeon_state_pm4(flush);
 676 }
 677
 678 int r600_context_hw_states(struct pipe_context *ctx)
 679 {
 680         struct r600_context *rctx = r600_context(ctx);
 681         unsigned i;
 682
 683         /* build new states */
 684         rctx->vtbl->rasterizer(rctx, &rctx->hw_states.rasterizer);
 685         rctx->vtbl->scissor(rctx, &rctx->hw_states.scissor);
 686         rctx->vtbl->dsa(rctx, &rctx->hw_states.dsa);
 687         rctx->vtbl->cb_cntl(rctx, &rctx->hw_states.cb_cntl);
 688
 689         /* bind states */
 690         radeon_draw_bind(&rctx->draw, &rctx->config);
 691
 692         radeon_draw_bind(&rctx->draw, &rctx->hw_states.rasterizer);
 693         radeon_draw_bind(&rctx->draw, &rctx->hw_states.scissor);
 694         radeon_draw_bind(&rctx->draw, &rctx->hw_states.dsa);
 695         radeon_draw_bind(&rctx->draw, &rctx->hw_states.cb_cntl);
 696
 697         radeon_draw_bind(&rctx->draw, &rctx->hw_states.db_flush);
 698         radeon_draw_bind(&rctx->draw, &rctx->hw_states.cb_flush);
 699
 700         if (rctx->viewport) {
 701                 radeon_draw_bind(&rctx->draw, &rctx->viewport->rstate[0]);
 702         }
 703         if (rctx->blend) {
 704                 radeon_draw_bind(&rctx->draw, &rctx->blend->rstate[0]);
 705         }
 706         if (rctx->clip) {
 707                 radeon_draw_bind(&rctx->draw, &rctx->clip->rstate[0]);
 708         }
 709         for (i = 0; i < rctx->framebuffer->state.framebuffer.nr_cbufs; i++) {
 710                 radeon_draw_bind(&rctx->draw, &rctx->framebuffer->rstate[i+1]);
 711         }
 712         if (rctx->framebuffer->state.framebuffer.zsbuf) {
 713                 radeon_draw_bind(&rctx->draw, &rctx->framebuffer->rstate[0]);
 714         }
 715
 716         r600_bind_shader_sampler(rctx, &rctx->vs_sampler);
 717         r600_bind_shader_sampler(rctx, &rctx->ps_sampler);
 718
 719         return 0;
 720 }