src/gallium/drivers/r300/r300_emit.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   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 /* r300_emit: Functions for emitting state. */
  24
  25 #include "util/u_math.h"
  26
  27 #include "r300_context.h"
  28 #include "r300_cs.h"
  29 #include "r300_emit.h"
  30 #include "r300_fs.h"
  31 #include "r300_screen.h"
  32 #include "r300_state_derived.h"
  33 #include "r300_state_inlines.h"
  34 #include "r300_texture.h"
  35 #include "r300_vs.h"
  36
  37 void r300_emit_blend_state(struct r300_context* r300,
  38                            struct r300_blend_state* blend)
  39 {
  40     CS_LOCALS(r300);
  41     BEGIN_CS(8);
  42     OUT_CS_REG_SEQ(R300_RB3D_CBLEND, 3);
  43     OUT_CS(blend->blend_control);
  44     OUT_CS(blend->alpha_blend_control);
  45     OUT_CS(blend->color_channel_mask);
  46     OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop);
  47     OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither);
  48     END_CS;
  49 }
  50
  51 void r300_emit_blend_color_state(struct r300_context* r300,
  52                                  struct r300_blend_color_state* bc)
  53 {
  54     struct r300_screen* r300screen = r300_screen(r300->context.screen);
  55     CS_LOCALS(r300);
  56
  57     if (r300screen->caps->is_r500) {
  58         BEGIN_CS(3);
  59         OUT_CS_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR, 2);
  60         OUT_CS(bc->blend_color_red_alpha);
  61         OUT_CS(bc->blend_color_green_blue);
  62         END_CS;
  63     } else {
  64         BEGIN_CS(2);
  65         OUT_CS_REG(R300_RB3D_BLEND_COLOR, bc->blend_color);
  66         END_CS;
  67     }
  68 }
  69
  70 void r300_emit_clip_state(struct r300_context* r300,
  71                           struct pipe_clip_state* clip)
  72 {
  73     int i;
  74     struct r300_screen* r300screen = r300_screen(r300->context.screen);
  75     CS_LOCALS(r300);
  76
  77     if (r300screen->caps->has_tcl) {
  78         BEGIN_CS(5 + (6 * 4));
  79         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
  80                 (r300screen->caps->is_r500 ?
  81                  R500_PVS_UCP_START : R300_PVS_UCP_START));
  82         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, 6 * 4);
  83         for (i = 0; i < 6; i++) {
  84             OUT_CS_32F(clip->ucp[i][0]);
  85             OUT_CS_32F(clip->ucp[i][1]);
  86             OUT_CS_32F(clip->ucp[i][2]);
  87             OUT_CS_32F(clip->ucp[i][3]);
  88         }
  89         OUT_CS_REG(R300_VAP_CLIP_CNTL, ((1 << clip->nr) - 1) |
  90                 R300_PS_UCP_MODE_CLIP_AS_TRIFAN);
  91         END_CS;
  92     } else {
  93         BEGIN_CS(2);
  94         OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
  95         END_CS;
  96     }
  97
  98 }
  99
 100 void r300_emit_dsa_state(struct r300_context* r300,
 101                            struct r300_dsa_state* dsa)
 102 {
 103     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 104     CS_LOCALS(r300);
 105
 106     BEGIN_CS(r300screen->caps->is_r500 ? 10 : 8);
 107     OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function);
 108
 109     /* not needed since we use the 8bit alpha ref */
 110     /*if (r300screen->caps->is_r500) {
 111         OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference);
 112     }*/
 113
 114     OUT_CS_REG_SEQ(R300_ZB_CNTL, 3);
 115     OUT_CS(dsa->z_buffer_control);
 116     OUT_CS(dsa->z_stencil_control);
 117     OUT_CS(dsa->stencil_ref_mask);
 118     OUT_CS_REG(R300_ZB_ZTOP, r300->ztop_state.z_buffer_top);
 119
 120     /* XXX it seems r3xx doesn't support STENCILREFMASK_BF */
 121     if (r300screen->caps->is_r500) {
 122         OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf);
 123     }
 124     END_CS;
 125 }
 126
 127 static const float * get_shader_constant(
 128     struct r300_context * r300,
 129     struct rc_constant * constant,
 130     struct r300_constant_buffer * externals)
 131 {
 132     static const float zero[4] = { 0.0, 0.0, 0.0, 0.0 };
 133     switch(constant->Type) {
 134         case RC_CONSTANT_EXTERNAL:
 135             return externals->constants[constant->u.External];
 136
 137         case RC_CONSTANT_IMMEDIATE:
 138             return constant->u.Immediate;
 139
 140         default:
 141             debug_printf("r300: Implementation error: Unhandled constant type %i\n",
 142                 constant->Type);
 143             return zero;
 144     }
 145 }
 146
 147 /* Convert a normal single-precision float into the 7.16 format
 148  * used by the R300 fragment shader.
 149  */
 150 static uint32_t pack_float24(float f)
 151 {
 152     union {
 153         float fl;
 154         uint32_t u;
 155     } u;
 156     float mantissa;
 157     int exponent;
 158     uint32_t float24 = 0;
 159
 160     if (f == 0.0)
 161         return 0;
 162
 163     u.fl = f;
 164
 165     mantissa = frexpf(f, &exponent);
 166
 167     /* Handle -ve */
 168     if (mantissa < 0) {
 169         float24 |= (1 << 23);
 170         mantissa = mantissa * -1.0;
 171     }
 172     /* Handle exponent, bias of 63 */
 173     exponent += 62;
 174     float24 |= (exponent << 16);
 175     /* Kill 7 LSB of mantissa */
 176     float24 |= (u.u & 0x7FFFFF) >> 7;
 177
 178     return float24;
 179 }
 180
 181 void r300_emit_fragment_program_code(struct r300_context* r300,
 182                                      struct rX00_fragment_program_code* generic_code)
 183 {
 184     struct r300_fragment_program_code * code = &generic_code->code.r300;
 185     int i;
 186     CS_LOCALS(r300);
 187
 188     BEGIN_CS(15 +
 189              code->alu.length * 4 +
 190              (code->tex.length ? (1 + code->tex.length) : 0));
 191
 192     OUT_CS_REG(R300_US_CONFIG, code->config);
 193     OUT_CS_REG(R300_US_PIXSIZE, code->pixsize);
 194     OUT_CS_REG(R300_US_CODE_OFFSET, code->code_offset);
 195
 196     OUT_CS_REG_SEQ(R300_US_CODE_ADDR_0, 4);
 197     for(i = 0; i < 4; ++i)
 198         OUT_CS(code->code_addr[i]);
 199
 200     OUT_CS_REG_SEQ(R300_US_ALU_RGB_INST_0, code->alu.length);
 201     for (i = 0; i < code->alu.length; i++)
 202         OUT_CS(code->alu.inst[i].rgb_inst);
 203
 204     OUT_CS_REG_SEQ(R300_US_ALU_RGB_ADDR_0, code->alu.length);
 205     for (i = 0; i < code->alu.length; i++)
 206         OUT_CS(code->alu.inst[i].rgb_addr);
 207
 208     OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_INST_0, code->alu.length);
 209     for (i = 0; i < code->alu.length; i++)
 210         OUT_CS(code->alu.inst[i].alpha_inst);
 211
 212     OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_ADDR_0, code->alu.length);
 213     for (i = 0; i < code->alu.length; i++)
 214         OUT_CS(code->alu.inst[i].alpha_addr);
 215
 216     if (code->tex.length) {
 217         OUT_CS_REG_SEQ(R300_US_TEX_INST_0, code->tex.length);
 218         for(i = 0; i < code->tex.length; ++i)
 219             OUT_CS(code->tex.inst[i]);
 220     }
 221
 222     END_CS;
 223 }
 224
 225 void r300_emit_fs_constant_buffer(struct r300_context* r300,
 226                                   struct rc_constant_list* constants)
 227 {
 228     int i;
 229     CS_LOCALS(r300);
 230
 231     if (constants->Count == 0)
 232         return;
 233
 234     BEGIN_CS(constants->Count * 4 + 1);
 235     OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X, constants->Count * 4);
 236     for(i = 0; i < constants->Count; ++i) {
 237         const float * data = get_shader_constant(r300,
 238                                                  &constants->Constants[i],
 239                                                  &r300->shader_constants[PIPE_SHADER_FRAGMENT]);
 240         OUT_CS(pack_float24(data[0]));
 241         OUT_CS(pack_float24(data[1]));
 242         OUT_CS(pack_float24(data[2]));
 243         OUT_CS(pack_float24(data[3]));
 244     }
 245     END_CS;
 246 }
 247
 248 void r500_emit_fragment_program_code(struct r300_context* r300,
 249                                      struct rX00_fragment_program_code* generic_code)
 250 {
 251     struct r500_fragment_program_code * code = &generic_code->code.r500;
 252     int i;
 253     CS_LOCALS(r300);
 254
 255     BEGIN_CS(13 +
 256              ((code->inst_end + 1) * 6));
 257     OUT_CS_REG(R500_US_CONFIG, 0);
 258     OUT_CS_REG(R500_US_PIXSIZE, code->max_temp_idx);
 259     OUT_CS_REG(R500_US_CODE_RANGE,
 260                R500_US_CODE_RANGE_ADDR(0) | R500_US_CODE_RANGE_SIZE(code->inst_end));
 261     OUT_CS_REG(R500_US_CODE_OFFSET, 0);
 262     OUT_CS_REG(R500_US_CODE_ADDR,
 263                R500_US_CODE_START_ADDR(0) | R500_US_CODE_END_ADDR(code->inst_end));
 264
 265     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_INSTR);
 266     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, (code->inst_end + 1) * 6);
 267     for (i = 0; i <= code->inst_end; i++) {
 268         OUT_CS(code->inst[i].inst0);
 269         OUT_CS(code->inst[i].inst1);
 270         OUT_CS(code->inst[i].inst2);
 271         OUT_CS(code->inst[i].inst3);
 272         OUT_CS(code->inst[i].inst4);
 273         OUT_CS(code->inst[i].inst5);
 274     }
 275
 276     END_CS;
 277 }
 278
 279 void r500_emit_fs_constant_buffer(struct r300_context* r300,
 280                                   struct rc_constant_list* constants)
 281 {
 282     int i;
 283     CS_LOCALS(r300);
 284
 285     if (constants->Count == 0)
 286         return;
 287
 288     BEGIN_CS(constants->Count * 4 + 3);
 289     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
 290     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, constants->Count * 4);
 291     for (i = 0; i < constants->Count; i++) {
 292         const float * data = get_shader_constant(r300,
 293                                                  &constants->Constants[i],
 294                                                  &r300->shader_constants[PIPE_SHADER_FRAGMENT]);
 295         OUT_CS_32F(data[0]);
 296         OUT_CS_32F(data[1]);
 297         OUT_CS_32F(data[2]);
 298         OUT_CS_32F(data[3]);
 299     }
 300     END_CS;
 301 }
 302
 303 void r300_emit_fb_state(struct r300_context* r300,
 304                         struct pipe_framebuffer_state* fb)
 305 {
 306     struct r300_texture* tex;
 307     struct pipe_surface* surf;
 308     int i;
 309     CS_LOCALS(r300);
 310
 311     BEGIN_CS((10 * fb->nr_cbufs) + (fb->zsbuf ? 10 : 0) + 4);
 312     OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
 313         R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 314         R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 315     OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
 316         R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 317         R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 318
 319     for (i = 0; i < fb->nr_cbufs; i++) {
 320         surf = fb->cbufs[i];
 321         tex = (struct r300_texture*)surf->texture;
 322         assert(tex && tex->buffer && "cbuf is marked, but NULL!");
 323
 324         OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
 325         OUT_CS_RELOC(tex->buffer, surf->offset, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 326
 327         OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0 + (4 * i), 1);
 328         OUT_CS_RELOC(tex->buffer, tex->pitch[surf->level] |
 329                      r300_translate_colorformat(tex->tex.format), 0,
 330                      RADEON_GEM_DOMAIN_VRAM, 0);
 331
 332         OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i),
 333             r300_translate_out_fmt(surf->format));
 334     }
 335
 336     if (fb->zsbuf) {
 337         surf = fb->zsbuf;
 338         tex = (struct r300_texture*)surf->texture;
 339         assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
 340
 341         OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
 342         OUT_CS_RELOC(tex->buffer, surf->offset, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 343
 344         OUT_CS_REG(R300_ZB_FORMAT, r300_translate_zsformat(tex->tex.format));
 345
 346         OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH, 1);
 347         OUT_CS_RELOC(tex->buffer, tex->pitch[surf->level], 0,
 348                      RADEON_GEM_DOMAIN_VRAM, 0);
 349     }
 350
 351     END_CS;
 352 }
 353
 354 static void r300_emit_query_start(struct r300_context *r300)
 355 {
 356     struct r300_capabilities *caps = r300_screen(r300->context.screen)->caps;
 357     struct r300_query *query = r300->query_current;
 358     CS_LOCALS(r300);
 359
 360     if (!query)
 361         return;
 362
 363     /* XXX This will almost certainly not return good results
 364      * for overlapping queries. */
 365     BEGIN_CS(4);
 366     if (caps->family == CHIP_FAMILY_RV530) {
 367         OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 368     } else {
 369         OUT_CS_REG(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
 370     }
 371     OUT_CS_REG(R300_ZB_ZPASS_DATA, 0);
 372     END_CS;
 373     query->begin_emitted = TRUE;
 374 }
 375
 376
 377 static void r300_emit_query_finish(struct r300_context *r300,
 378                                    struct r300_query *query)
 379 {
 380     struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps;
 381     CS_LOCALS(r300);
 382
 383     assert(caps->num_frag_pipes);
 384
 385     BEGIN_CS(6 * caps->num_frag_pipes + 2);
 386     /* I'm not so sure I like this switch, but it's hard to be elegant
 387      * when there's so many special cases...
 388      *
 389      * So here's the basic idea. For each pipe, enable writes to it only,
 390      * then put out the relocation for ZPASS_ADDR, taking into account a
 391      * 4-byte offset for each pipe. RV380 and older are special; they have
 392      * only two pipes, and the second pipe's enable is on bit 3, not bit 1,
 393      * so there's a chipset cap for that. */
 394     switch (caps->num_frag_pipes) {
 395         case 4:
 396             /* pipe 3 only */
 397             OUT_CS_REG(R300_SU_REG_DEST, 1 << 3);
 398             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 399             OUT_CS_RELOC(r300->oqbo, query->offset + (sizeof(uint32_t) * 3),
 400                     0, RADEON_GEM_DOMAIN_GTT, 0);
 401         case 3:
 402             /* pipe 2 only */
 403             OUT_CS_REG(R300_SU_REG_DEST, 1 << 2);
 404             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 405             OUT_CS_RELOC(r300->oqbo, query->offset + (sizeof(uint32_t) * 2),
 406                     0, RADEON_GEM_DOMAIN_GTT, 0);
 407         case 2:
 408             /* pipe 1 only */
 409             /* As mentioned above, accomodate RV380 and older. */
 410             OUT_CS_REG(R300_SU_REG_DEST,
 411                     1 << (caps->high_second_pipe ? 3 : 1));
 412             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 413             OUT_CS_RELOC(r300->oqbo, query->offset + (sizeof(uint32_t) * 1),
 414                     0, RADEON_GEM_DOMAIN_GTT, 0);
 415         case 1:
 416             /* pipe 0 only */
 417             OUT_CS_REG(R300_SU_REG_DEST, 1 << 0);
 418             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 419             OUT_CS_RELOC(r300->oqbo, query->offset + (sizeof(uint32_t) * 0),
 420                     0, RADEON_GEM_DOMAIN_GTT, 0);
 421             break;
 422         default:
 423             debug_printf("r300: Implementation error: Chipset reports %d"
 424                     " pixel pipes!\n", caps->num_frag_pipes);
 425             assert(0);
 426     }
 427
 428     /* And, finally, reset it to normal... */
 429     OUT_CS_REG(R300_SU_REG_DEST, 0xF);
 430     END_CS;
 431 }
 432
 433 static void rv530_emit_query_single(struct r300_context *r300,
 434                                     struct r300_query *query)
 435 {
 436     CS_LOCALS(r300);
 437
 438     BEGIN_CS(8);
 439     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
 440     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 441     OUT_CS_RELOC(r300->oqbo, query->offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
 442     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 443     END_CS;
 444 }
 445
 446 static void rv530_emit_query_double(struct r300_context *r300,
 447                                     struct r300_query *query)
 448 {
 449     CS_LOCALS(r300);
 450
 451     BEGIN_CS(14);
 452     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
 453     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 454     OUT_CS_RELOC(r300->oqbo, query->offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
 455     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_1);
 456     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 457     OUT_CS_RELOC(r300->oqbo, query->offset + sizeof(uint32_t), 0, RADEON_GEM_DOMAIN_GTT, 0);
 458     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 459     END_CS;
 460 }
 461
 462 void r300_emit_query_end(struct r300_context* r300)
 463 {
 464     struct r300_capabilities *caps = r300_screen(r300->context.screen)->caps;
 465     struct r300_query *query = r300->query_current;
 466
 467     if (!query)
 468         return;
 469
 470     if (query->begin_emitted == FALSE)
 471         return;
 472
 473     if (caps->family == CHIP_FAMILY_RV530) {
 474         if (caps->num_z_pipes == 2)
 475             rv530_emit_query_double(r300, query);
 476         else
 477             rv530_emit_query_single(r300, query);
 478     } else
 479         r300_emit_query_finish(r300, query);
 480 }
 481
 482 void r300_emit_rs_state(struct r300_context* r300, struct r300_rs_state* rs)
 483 {
 484     CS_LOCALS(r300);
 485
 486     BEGIN_CS(22);
 487     OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
 488     OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
 489     OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
 490     OUT_CS(rs->point_minmax);
 491     OUT_CS(rs->line_control);
 492     OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 6);
 493     OUT_CS(rs->depth_scale_front);
 494     OUT_CS(rs->depth_offset_front);
 495     OUT_CS(rs->depth_scale_back);
 496     OUT_CS(rs->depth_offset_back);
 497     OUT_CS(rs->polygon_offset_enable);
 498     OUT_CS(rs->cull_mode);
 499     OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
 500     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
 501     OUT_CS_REG(R300_GA_COLOR_CONTROL, rs->color_control);
 502     OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode);
 503     END_CS;
 504 }
 505
 506 void r300_emit_rs_block_state(struct r300_context* r300,
 507                               struct r300_rs_block* rs)
 508 {
 509     int i;
 510     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 511     CS_LOCALS(r300);
 512
 513     BEGIN_CS(21);
 514     if (r300screen->caps->is_r500) {
 515         OUT_CS_REG_SEQ(R500_RS_IP_0, 8);
 516     } else {
 517         OUT_CS_REG_SEQ(R300_RS_IP_0, 8);
 518     }
 519     for (i = 0; i < 8; i++) {
 520         OUT_CS(rs->ip[i]);
 521         /* debug_printf("ip %d: 0x%08x\n", i, rs->ip[i]); */
 522     }
 523
 524     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
 525     OUT_CS(rs->count);
 526     OUT_CS(rs->inst_count);
 527
 528     if (r300screen->caps->is_r500) {
 529         OUT_CS_REG_SEQ(R500_RS_INST_0, 8);
 530     } else {
 531         OUT_CS_REG_SEQ(R300_RS_INST_0, 8);
 532     }
 533     for (i = 0; i < 8; i++) {
 534         OUT_CS(rs->inst[i]);
 535         /* debug_printf("inst %d: 0x%08x\n", i, rs->inst[i]); */
 536     }
 537
 538     /* debug_printf("count: 0x%08x inst_count: 0x%08x\n", rs->count,
 539      *        rs->inst_count); */
 540
 541     END_CS;
 542 }
 543
 544 void r300_emit_scissor_state(struct r300_context* r300,
 545                              struct r300_scissor_state* scissor)
 546 {
 547     CS_LOCALS(r300);
 548
 549     BEGIN_CS(3);
 550     OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
 551     OUT_CS(scissor->scissor_top_left);
 552     OUT_CS(scissor->scissor_bottom_right);
 553     END_CS;
 554 }
 555
 556 void r300_emit_texture(struct r300_context* r300,
 557                        struct r300_sampler_state* sampler,
 558                        struct r300_texture* tex,
 559                        unsigned offset)
 560 {
 561     uint32_t filter0 = sampler->filter0;
 562     CS_LOCALS(r300);
 563
 564     /* to emulate 1D textures through 2D ones correctly */
 565     if (tex->tex.target == PIPE_TEXTURE_1D) {
 566         filter0 &= ~R300_TX_WRAP_T_MASK;
 567         filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
 568     }
 569
 570     BEGIN_CS(16);
 571     OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), filter0 |
 572         (offset << 28));
 573     OUT_CS_REG(R300_TX_FILTER1_0 + (offset * 4), sampler->filter1);
 574     OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (offset * 4), sampler->border_color);
 575
 576     OUT_CS_REG(R300_TX_FORMAT0_0 + (offset * 4), tex->state.format0);
 577     OUT_CS_REG(R300_TX_FORMAT1_0 + (offset * 4), tex->state.format1);
 578     OUT_CS_REG(R300_TX_FORMAT2_0 + (offset * 4), tex->state.format2);
 579     OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (offset * 4), 1);
 580     OUT_CS_RELOC(tex->buffer, 0,
 581             RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0, 0);
 582     END_CS;
 583 }
 584
 585 void r300_emit_vertex_buffer(struct r300_context* r300)
 586 {
 587     CS_LOCALS(r300);
 588
 589     DBG(r300, DBG_DRAW, "r300: Preparing vertex buffer %p for render, "
 590             "vertex size %d\n", r300->vbo,
 591             r300->vertex_info->vinfo.size);
 592     /* Set the pointer to our vertex buffer. The emitted values are this:
 593      * PACKET3 [3D_LOAD_VBPNTR]
 594      * COUNT   [1]
 595      * FORMAT  [size | stride << 8]
 596      * OFFSET  [offset into BO]
 597      * VBPNTR  [relocated BO]
 598      */
 599     BEGIN_CS(7);
 600     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
 601     OUT_CS(1);
 602     OUT_CS(r300->vertex_info->vinfo.size |
 603             (r300->vertex_info->vinfo.size << 8));
 604     OUT_CS(r300->vbo_offset);
 605     OUT_CS_RELOC(r300->vbo, 0, RADEON_GEM_DOMAIN_GTT, 0, 0);
 606     END_CS;
 607 }
 608
 609 void r300_emit_vertex_format_state(struct r300_context* r300)
 610 {
 611     int i;
 612     CS_LOCALS(r300);
 613
 614     BEGIN_CS(26);
 615     OUT_CS_REG(R300_VAP_VTX_SIZE, r300->vertex_info->vinfo.size);
 616
 617     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
 618     OUT_CS(r300->vertex_info->vinfo.hwfmt[0]);
 619     OUT_CS(r300->vertex_info->vinfo.hwfmt[1]);
 620     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 621     OUT_CS(r300->vertex_info->vinfo.hwfmt[2]);
 622     OUT_CS(r300->vertex_info->vinfo.hwfmt[3]);
 623     /* for (i = 0; i < 4; i++) {
 624      *    debug_printf("hwfmt%d: 0x%08x\n", i,
 625      *            r300->vertex_info->vinfo.hwfmt[i]);
 626      * } */
 627
 628     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, 8);
 629     for (i = 0; i < 8; i++) {
 630         OUT_CS(r300->vertex_info->vap_prog_stream_cntl[i]);
 631         /* debug_printf("prog_stream_cntl%d: 0x%08x\n", i,
 632          *        r300->vertex_info->vap_prog_stream_cntl[i]); */
 633     }
 634     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, 8);
 635     for (i = 0; i < 8; i++) {
 636         OUT_CS(r300->vertex_info->vap_prog_stream_cntl_ext[i]);
 637         /* debug_printf("prog_stream_cntl_ext%d: 0x%08x\n", i,
 638          *        r300->vertex_info->vap_prog_stream_cntl_ext[i]); */
 639     }
 640     END_CS;
 641 }
 642
 643 void r300_emit_vertex_program_code(struct r300_context* r300,
 644                                    struct r300_vertex_program_code* code)
 645 {
 646     int i;
 647     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 648     unsigned instruction_count = code->length / 4;
 649     CS_LOCALS(r300);
 650
 651     if (!r300screen->caps->has_tcl) {
 652         debug_printf("r300: Implementation error: emit_vertex_shader called,"
 653                 " but has_tcl is FALSE!\n");
 654         return;
 655     }
 656
 657     BEGIN_CS(9 + code->length);
 658     /* R300_VAP_PVS_CODE_CNTL_0
 659      * R300_VAP_PVS_CONST_CNTL
 660      * R300_VAP_PVS_CODE_CNTL_1
 661      * See the r5xx docs for instructions on how to use these.
 662      * XXX these could be optimized to select better values... */
 663     OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
 664     OUT_CS(R300_PVS_FIRST_INST(0) |
 665             R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
 666             R300_PVS_LAST_INST(instruction_count - 1));
 667     OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
 668     OUT_CS(instruction_count - 1);
 669
 670     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
 671     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
 672     for (i = 0; i < code->length; i++)
 673         OUT_CS(code->body.d[i]);
 674
 675     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(10) |
 676             R300_PVS_NUM_CNTLRS(5) |
 677             R300_PVS_NUM_FPUS(r300screen->caps->num_vert_fpus) |
 678             R300_PVS_VF_MAX_VTX_NUM(12));
 679     END_CS;
 680 }
 681
 682 void r300_emit_vertex_shader(struct r300_context* r300,
 683                              struct r300_vertex_shader* vs)
 684 {
 685     r300_emit_vertex_program_code(r300, &vs->code);
 686 }
 687
 688 void r300_emit_vs_constant_buffer(struct r300_context* r300,
 689                                   struct rc_constant_list* constants)
 690 {
 691     int i;
 692     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 693     CS_LOCALS(r300);
 694
 695     if (!r300screen->caps->has_tcl) {
 696         debug_printf("r300: Implementation error: emit_vertex_shader called,"
 697         " but has_tcl is FALSE!\n");
 698         return;
 699     }
 700
 701     if (constants->Count == 0)
 702         return;
 703
 704     BEGIN_CS(constants->Count * 4 + 3);
 705     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 706                (r300screen->caps->is_r500 ?
 707                R500_PVS_CONST_START : R300_PVS_CONST_START));
 708     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->Count * 4);
 709     for (i = 0; i < constants->Count; i++) {
 710         const float * data = get_shader_constant(r300,
 711                                                  &constants->Constants[i],
 712                                                  &r300->shader_constants[PIPE_SHADER_VERTEX]);
 713         OUT_CS_32F(data[0]);
 714         OUT_CS_32F(data[1]);
 715         OUT_CS_32F(data[2]);
 716         OUT_CS_32F(data[3]);
 717     }
 718     END_CS;
 719 }
 720
 721 void r300_emit_viewport_state(struct r300_context* r300,
 722                               struct r300_viewport_state* viewport)
 723 {
 724     CS_LOCALS(r300);
 725
 726     BEGIN_CS(9);
 727     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
 728     OUT_CS_32F(viewport->xscale);
 729     OUT_CS_32F(viewport->xoffset);
 730     OUT_CS_32F(viewport->yscale);
 731     OUT_CS_32F(viewport->yoffset);
 732     OUT_CS_32F(viewport->zscale);
 733     OUT_CS_32F(viewport->zoffset);
 734
 735     if (r300->rs_state->enable_vte) {
 736         OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
 737     } else {
 738         OUT_CS_REG(R300_VAP_VTE_CNTL, 0);
 739     }
 740     END_CS;
 741 }
 742
 743 void r300_flush_textures(struct r300_context* r300)
 744 {
 745     CS_LOCALS(r300);
 746
 747     BEGIN_CS(4);
 748     OUT_CS_REG(R300_TX_INVALTAGS, 0);
 749     OUT_CS_REG(R300_TX_ENABLE, (1 << r300->texture_count) - 1);
 750     END_CS;
 751 }
 752
 753 static void r300_flush_pvs(struct r300_context* r300)
 754 {
 755     CS_LOCALS(r300);
 756
 757     BEGIN_CS(2);
 758     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
 759     END_CS;
 760 }
 761
 762 /* Emit all dirty state. */
 763 void r300_emit_dirty_state(struct r300_context* r300)
 764 {
 765     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 766     struct r300_texture* tex;
 767     int i, dirty_tex = 0;
 768     boolean invalid = FALSE;
 769
 770     if (!(r300->dirty_state)) {
 771         return;
 772     }
 773
 774     r300_update_derived_state(r300);
 775
 776     /* Clean out BOs. */
 777     r300->winsys->reset_bos(r300->winsys);
 778
 779     /* XXX check size */
 780 validate:
 781     /* Color buffers... */
 782     for (i = 0; i < r300->framebuffer_state.nr_cbufs; i++) {
 783         tex = (struct r300_texture*)r300->framebuffer_state.cbufs[i]->texture;
 784         assert(tex && tex->buffer && "cbuf is marked, but NULL!");
 785         if (!r300->winsys->add_buffer(r300->winsys, tex->buffer,
 786                     0, RADEON_GEM_DOMAIN_VRAM)) {
 787             r300->context.flush(&r300->context, 0, NULL);
 788             goto validate;
 789         }
 790     }
 791     /* ...depth buffer... */
 792     if (r300->framebuffer_state.zsbuf) {
 793         tex = (struct r300_texture*)r300->framebuffer_state.zsbuf->texture;
 794         assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
 795         if (!r300->winsys->add_buffer(r300->winsys, tex->buffer,
 796                     0, RADEON_GEM_DOMAIN_VRAM)) {
 797             r300->context.flush(&r300->context, 0, NULL);
 798             goto validate;
 799         }
 800     }
 801     /* ...textures... */
 802     for (i = 0; i < r300->texture_count; i++) {
 803         tex = r300->textures[i];
 804         if (!tex)
 805             continue;
 806         if (!r300->winsys->add_buffer(r300->winsys, tex->buffer,
 807                     RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0)) {
 808             r300->context.flush(&r300->context, 0, NULL);
 809             goto validate;
 810         }
 811     }
 812     /* ...occlusion query buffer... */
 813     if (!r300->winsys->add_buffer(r300->winsys, r300->oqbo,
 814                 0, RADEON_GEM_DOMAIN_GTT)) {
 815         r300->context.flush(&r300->context, 0, NULL);
 816         goto validate;
 817     }
 818     /* ...and vertex buffer. */
 819     if (r300->vbo) {
 820         if (!r300->winsys->add_buffer(r300->winsys, r300->vbo,
 821                     RADEON_GEM_DOMAIN_GTT, 0)) {
 822             r300->context.flush(&r300->context, 0, NULL);
 823             goto validate;
 824         }
 825     } else {
 826         debug_printf("No VBO while emitting dirty state!\n");
 827     }
 828     if (!r300->winsys->validate(r300->winsys)) {
 829         r300->context.flush(&r300->context, 0, NULL);
 830         if (invalid) {
 831             /* Well, hell. */
 832             debug_printf("r300: Stuck in validation loop, gonna quit now.");
 833             exit(1);
 834         }
 835         invalid = TRUE;
 836         goto validate;
 837     }
 838
 839     if (r300->dirty_state & R300_NEW_QUERY) {
 840         r300_emit_query_start(r300);
 841         r300->dirty_state &= ~R300_NEW_QUERY;
 842     }
 843
 844     if (r300->dirty_state & R300_NEW_BLEND) {
 845         r300_emit_blend_state(r300, r300->blend_state);
 846         r300->dirty_state &= ~R300_NEW_BLEND;
 847     }
 848
 849     if (r300->dirty_state & R300_NEW_BLEND_COLOR) {
 850         r300_emit_blend_color_state(r300, r300->blend_color_state);
 851         r300->dirty_state &= ~R300_NEW_BLEND_COLOR;
 852     }
 853
 854     if (r300->dirty_state & R300_NEW_CLIP) {
 855         r300_emit_clip_state(r300, &r300->clip_state);
 856         r300->dirty_state &= ~R300_NEW_CLIP;
 857     }
 858
 859     if (r300->dirty_state & R300_NEW_DSA) {
 860         r300_emit_dsa_state(r300, r300->dsa_state);
 861         r300->dirty_state &= ~R300_NEW_DSA;
 862     }
 863
 864     if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER) {
 865         if (r300screen->caps->is_r500) {
 866             r500_emit_fragment_program_code(r300, &r300->fs->code);
 867         } else {
 868             r300_emit_fragment_program_code(r300, &r300->fs->code);
 869         }
 870         r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER;
 871     }
 872
 873     if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER_CONSTANTS) {
 874         if (r300screen->caps->is_r500) {
 875             r500_emit_fs_constant_buffer(r300, &r300->fs->code.constants);
 876         } else {
 877             r300_emit_fs_constant_buffer(r300, &r300->fs->code.constants);
 878         }
 879         r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER_CONSTANTS;
 880     }
 881
 882     if (r300->dirty_state & R300_NEW_FRAMEBUFFERS) {
 883         r300_emit_fb_state(r300, &r300->framebuffer_state);
 884         r300->dirty_state &= ~R300_NEW_FRAMEBUFFERS;
 885     }
 886
 887     if (r300->dirty_state & R300_NEW_RASTERIZER) {
 888         r300_emit_rs_state(r300, r300->rs_state);
 889         r300->dirty_state &= ~R300_NEW_RASTERIZER;
 890     }
 891
 892     if (r300->dirty_state & R300_NEW_RS_BLOCK) {
 893         r300_emit_rs_block_state(r300, r300->rs_block);
 894         r300->dirty_state &= ~R300_NEW_RS_BLOCK;
 895     }
 896
 897     if (r300->dirty_state & R300_NEW_SCISSOR) {
 898         r300_emit_scissor_state(r300, r300->scissor_state);
 899         r300->dirty_state &= ~R300_NEW_SCISSOR;
 900     }
 901
 902     /* Samplers and textures are tracked separately but emitted together. */
 903     if (r300->dirty_state &
 904             (R300_ANY_NEW_SAMPLERS | R300_ANY_NEW_TEXTURES)) {
 905         for (i = 0; i < MIN2(r300->sampler_count, r300->texture_count); i++) {
 906             if (r300->dirty_state &
 907                 ((R300_NEW_SAMPLER << i) | (R300_NEW_TEXTURE << i))) {
 908                 if (r300->textures[i])
 909                     r300_emit_texture(r300,
 910                                       r300->sampler_states[i],
 911                                       r300->textures[i],
 912                                       i);
 913                 r300->dirty_state &=
 914                     ~((R300_NEW_SAMPLER << i) | (R300_NEW_TEXTURE << i));
 915                 dirty_tex++;
 916             }
 917         }
 918         r300->dirty_state &= ~(R300_ANY_NEW_SAMPLERS | R300_ANY_NEW_TEXTURES);
 919     }
 920
 921     if (r300->dirty_state & R300_NEW_VIEWPORT) {
 922         r300_emit_viewport_state(r300, r300->viewport_state);
 923         r300->dirty_state &= ~R300_NEW_VIEWPORT;
 924     }
 925
 926     if (dirty_tex) {
 927         r300_flush_textures(r300);
 928     }
 929
 930     if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
 931         r300_emit_vertex_format_state(r300);
 932         r300->dirty_state &= ~R300_NEW_VERTEX_FORMAT;
 933     }
 934
 935     if (r300->dirty_state & (R300_NEW_VERTEX_SHADER | R300_NEW_VERTEX_SHADER_CONSTANTS)) {
 936         r300_flush_pvs(r300);
 937     }
 938
 939     if (r300->dirty_state & R300_NEW_VERTEX_SHADER) {
 940         r300_emit_vertex_shader(r300, r300->vs);
 941         r300->dirty_state &= ~R300_NEW_VERTEX_SHADER;
 942     }
 943
 944     if (r300->dirty_state & R300_NEW_VERTEX_SHADER_CONSTANTS) {
 945         r300_emit_vs_constant_buffer(r300, &r300->vs->code.constants);
 946         r300->dirty_state &= ~R300_NEW_VERTEX_SHADER_CONSTANTS;
 947     }
 948
 949     /* XXX
 950     assert(r300->dirty_state == 0);
 951     */
 952
 953     /* Finally, emit the VBO. */
 954     r300_emit_vertex_buffer(r300);
 955
 956     r300->dirty_hw++;
 957 }