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 "r300_emit.h"
  26
  27 void r300_emit_blend_state(struct r300_context* r300,
  28                            struct r300_blend_state* blend)
  29 {
  30     CS_LOCALS(r300);
  31     BEGIN_CS(7);
  32     OUT_CS_REG_SEQ(R300_RB3D_CBLEND, 2);
  33     OUT_CS(blend->blend_control);
  34     OUT_CS(blend->alpha_blend_control);
  35     OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop);
  36     OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither);
  37     END_CS;
  38 }
  39
  40 void r300_emit_blend_color_state(struct r300_context* r300,
  41                                  struct r300_blend_color_state* bc)
  42 {
  43     struct r300_screen* r300screen = r300_screen(r300->context.screen);
  44     CS_LOCALS(r300);
  45
  46     if (r300screen->caps->is_r500) {
  47         BEGIN_CS(3);
  48         OUT_CS_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR, 2);
  49         OUT_CS(bc->blend_color_red_alpha);
  50         OUT_CS(bc->blend_color_green_blue);
  51         END_CS;
  52     } else {
  53         BEGIN_CS(2);
  54         OUT_CS_REG(R300_RB3D_BLEND_COLOR, bc->blend_color);
  55         END_CS;
  56     }
  57 }
  58
  59 void r300_emit_dsa_state(struct r300_context* r300,
  60                            struct r300_dsa_state* dsa)
  61 {
  62     struct r300_screen* r300screen = r300_screen(r300->context.screen);
  63     CS_LOCALS(r300);
  64
  65     BEGIN_CS(r300screen->caps->is_r500 ? 8 : 8);
  66     OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function);
  67     /* XXX figure out the r300 counterpart for this */
  68     if (r300screen->caps->is_r500) {
  69         /* OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference); */
  70     }
  71     OUT_CS_REG_SEQ(R300_ZB_CNTL, 3);
  72     OUT_CS(dsa->z_buffer_control);
  73     OUT_CS(dsa->z_stencil_control);
  74     OUT_CS(dsa->stencil_ref_mask);
  75     OUT_CS_REG(R300_ZB_ZTOP, dsa->z_buffer_top);
  76     if (r300screen->caps->is_r500) {
  77         /* OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); */
  78     }
  79     END_CS;
  80 }
  81
  82 void r300_emit_fragment_shader(struct r300_context* r300,
  83                                struct r300_fragment_shader* fs)
  84 {
  85     int i;
  86     CS_LOCALS(r300);
  87
  88     BEGIN_CS(22);
  89
  90     OUT_CS_REG(R300_US_CONFIG, fs->indirections);
  91     OUT_CS_REG(R300_US_PIXSIZE, fs->shader.stack_size);
  92     /* XXX figure out exactly how big the sizes are on this reg */
  93     OUT_CS_REG(R300_US_CODE_OFFSET, 0x40);
  94     /* XXX figure these ones out a bit better kthnx */
  95     OUT_CS_REG(R300_US_CODE_ADDR_0, 0x0);
  96     OUT_CS_REG(R300_US_CODE_ADDR_1, 0x0);
  97     OUT_CS_REG(R300_US_CODE_ADDR_2, 0x0);
  98     OUT_CS_REG(R300_US_CODE_ADDR_3, 0x40 | R300_RGBA_OUT);
  99
 100     for (i = 0; i < fs->alu_instruction_count; i++) {
 101         OUT_CS_REG(R300_US_ALU_RGB_INST_0 + (4 * i),
 102             fs->instructions[i].alu_rgb_inst);
 103         OUT_CS_REG(R300_US_ALU_RGB_ADDR_0 + (4 * i),
 104             fs->instructions[i].alu_rgb_addr);
 105         OUT_CS_REG(R300_US_ALU_ALPHA_INST_0 + (4 * i),
 106             fs->instructions[i].alu_alpha_inst);
 107         OUT_CS_REG(R300_US_ALU_ALPHA_ADDR_0 + (4 * i),
 108             fs->instructions[i].alu_alpha_addr);
 109     }
 110
 111     END_CS;
 112 }
 113
 114 void r500_emit_fragment_shader(struct r300_context* r300,
 115                                struct r500_fragment_shader* fs)
 116 {
 117     int i;
 118     struct r300_constant_buffer* constants =
 119         &r300->shader_constants[PIPE_SHADER_FRAGMENT];
 120     CS_LOCALS(r300);
 121
 122     BEGIN_CS(9 + (fs->instruction_count * 6) + (constants->count ? 3 : 0) +
 123             (constants->count * 4));
 124     OUT_CS_REG(R500_US_CONFIG, R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO);
 125     OUT_CS_REG(R500_US_PIXSIZE, fs->shader.stack_size);
 126     OUT_CS_REG(R500_US_CODE_ADDR, R500_US_CODE_START_ADDR(0) |
 127             R500_US_CODE_END_ADDR(fs->instruction_count));
 128
 129     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_INSTR);
 130     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, fs->instruction_count * 6);
 131     for (i = 0; i < fs->instruction_count; i++) {
 132         OUT_CS(fs->instructions[i].inst0);
 133         OUT_CS(fs->instructions[i].inst1);
 134         OUT_CS(fs->instructions[i].inst2);
 135         OUT_CS(fs->instructions[i].inst3);
 136         OUT_CS(fs->instructions[i].inst4);
 137         OUT_CS(fs->instructions[i].inst5);
 138     }
 139
 140     if (constants->count) {
 141         OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
 142                 R500_GA_US_VECTOR_INDEX_TYPE_CONST);
 143         OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, constants->count * 4);
 144         for (i = 0; i < constants->count; i++) {
 145             OUT_CS_32F(constants->constants[i][0]);
 146             OUT_CS_32F(constants->constants[i][1]);
 147             OUT_CS_32F(constants->constants[i][2]);
 148             OUT_CS_32F(constants->constants[i][3]);
 149         }
 150     }
 151
 152     END_CS;
 153 }
 154
 155 /* XXX add pitch, stride, clean up */
 156 void r300_emit_fb_state(struct r300_context* r300,
 157                         struct pipe_framebuffer_state* fb)
 158 {
 159     int i;
 160     struct r300_texture* tex;
 161     CS_LOCALS(r300);
 162
 163     BEGIN_CS((6 * fb->nr_cbufs) + (fb->zsbuf ? 6 : 0) + 4);
 164     for (i = 0; i < fb->nr_cbufs; i++) {
 165         tex = (struct r300_texture*)fb->cbufs[i]->texture;
 166         OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
 167         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 168
 169         OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i),
 170             r300_translate_out_fmt(fb->cbufs[i]->format));
 171     }
 172
 173     if (fb->zsbuf) {
 174         tex = (struct r300_texture*)fb->zsbuf->texture;
 175         OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
 176         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 177         if (fb->zsbuf->format == PIPE_FORMAT_Z24S8_UNORM) {
 178             OUT_CS_REG(R300_ZB_FORMAT,
 179                 R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL);
 180         } else {
 181             OUT_CS_REG(R300_ZB_FORMAT, 0x0);
 182         }
 183     }
 184
 185     OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
 186         R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 187         R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 188     OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
 189         R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 190         R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 191     END_CS;
 192 }
 193
 194 void r300_emit_rs_state(struct r300_context* r300, struct r300_rs_state* rs)
 195 {
 196     CS_LOCALS(r300);
 197
 198     BEGIN_CS(20);
 199     OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
 200     OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
 201     OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
 202     OUT_CS(rs->point_minmax);
 203     OUT_CS(rs->line_control);
 204     OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 6);
 205     OUT_CS(rs->depth_scale_front);
 206     OUT_CS(rs->depth_offset_front);
 207     OUT_CS(rs->depth_scale_back);
 208     OUT_CS(rs->depth_offset_back);
 209     OUT_CS(rs->polygon_offset_enable);
 210     OUT_CS(rs->cull_mode);
 211     OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
 212     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
 213     OUT_CS_REG(R300_GA_COLOR_CONTROL, rs->color_control);
 214     END_CS;
 215 }
 216
 217 void r300_emit_rs_block_state(struct r300_context* r300,
 218                               struct r300_rs_block* rs)
 219 {
 220     int i;
 221     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 222     CS_LOCALS(r300);
 223
 224     BEGIN_CS(21);
 225     if (r300screen->caps->is_r500) {
 226         OUT_CS_REG_SEQ(R500_RS_IP_0, 8);
 227     } else {
 228         OUT_CS_REG_SEQ(R300_RS_IP_0, 8);
 229     }
 230     for (i = 0; i < 8; i++) {
 231         OUT_CS(rs->ip[i]);
 232         debug_printf("ip %d: 0x%08x\n", i, rs->ip[i]);
 233     }
 234
 235     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
 236     OUT_CS(rs->count);
 237     OUT_CS(rs->inst_count);
 238
 239     if (r300screen->caps->is_r500) {
 240         OUT_CS_REG_SEQ(R500_RS_INST_0, 8);
 241     } else {
 242         OUT_CS_REG_SEQ(R300_RS_INST_0, 8);
 243     }
 244     for (i = 0; i < 8; i++) {
 245         OUT_CS(rs->inst[i]);
 246         debug_printf("inst %d: 0x%08x\n", i, rs->inst[i]);
 247     }
 248
 249     debug_printf("count: 0x%08x inst_count: 0x%08x\n", rs->count,
 250             rs->inst_count);
 251
 252     END_CS;
 253 }
 254
 255 void r300_emit_sampler(struct r300_context* r300,
 256                        struct r300_sampler_state* sampler, unsigned offset)
 257 {
 258     CS_LOCALS(r300);
 259
 260     BEGIN_CS(6);
 261     OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), sampler->filter0);
 262     OUT_CS_REG(R300_TX_FILTER1_0 + (offset * 4), sampler->filter1);
 263     OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (offset * 4), sampler->border_color);
 264     END_CS;
 265 }
 266
 267 void r300_emit_scissor_state(struct r300_context* r300,
 268                              struct r300_scissor_state* scissor)
 269 {
 270     CS_LOCALS(r300);
 271
 272     BEGIN_CS(3);
 273     OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
 274     OUT_CS(scissor->scissor_top_left);
 275     OUT_CS(scissor->scissor_bottom_right);
 276     END_CS;
 277 }
 278
 279 void r300_emit_texture(struct r300_context* r300,
 280                        struct r300_texture* tex, unsigned offset)
 281 {
 282     CS_LOCALS(r300);
 283
 284     BEGIN_CS(10);
 285     OUT_CS_REG(R300_TX_FORMAT0_0 + (offset * 4), tex->state.format0);
 286     OUT_CS_REG(R300_TX_FORMAT1_0 + (offset * 4), tex->state.format1);
 287     OUT_CS_REG(R300_TX_FORMAT2_0 + (offset * 4), tex->state.format2);
 288     OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (offset * 4), 1);
 289     OUT_CS_RELOC(tex->buffer, 0,
 290             RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0, 0);
 291     END_CS;
 292 }
 293
 294 void r300_emit_vertex_format_state(struct r300_context* r300)
 295 {
 296     int i;
 297     CS_LOCALS(r300);
 298
 299     BEGIN_CS(26);
 300     OUT_CS_REG(R300_VAP_VTX_SIZE, r300->vertex_info.vinfo.size);
 301
 302     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
 303     OUT_CS(r300->vertex_info.vinfo.hwfmt[0]);
 304     OUT_CS(r300->vertex_info.vinfo.hwfmt[1]);
 305     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 306     OUT_CS(r300->vertex_info.vinfo.hwfmt[2]);
 307     OUT_CS(r300->vertex_info.vinfo.hwfmt[3]);
 308     for (i = 0; i < 4; i++) {
 309         debug_printf("hwfmt%d: 0x%08x\n", i,
 310                 r300->vertex_info.vinfo.hwfmt[i]);
 311     }
 312
 313     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, 8);
 314     for (i = 0; i < 8; i++) {
 315         OUT_CS(r300->vertex_info.vap_prog_stream_cntl[i]);
 316         debug_printf("prog_stream_cntl%d: 0x%08x\n", i,
 317                 r300->vertex_info.vap_prog_stream_cntl[i]);
 318     }
 319     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, 8);
 320     for (i = 0; i < 8; i++) {
 321         OUT_CS(r300->vertex_info.vap_prog_stream_cntl_ext[i]);
 322         debug_printf("prog_stream_cntl_ext%d: 0x%08x\n", i,
 323                 r300->vertex_info.vap_prog_stream_cntl_ext[i]);
 324     }
 325     END_CS;
 326 }
 327
 328 void r300_emit_vertex_shader(struct r300_context* r300,
 329                              struct r300_vertex_shader* vs)
 330 {
 331     int i;
 332     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 333     struct r300_constant_buffer* constants =
 334         &r300->shader_constants[PIPE_SHADER_VERTEX];
 335     CS_LOCALS(r300);
 336
 337     if (!r300screen->caps->has_tcl) {
 338         debug_printf("r300: Implementation error: emit_vertex_shader called,"
 339                 " but has_tcl is FALSE!\n");
 340         return;
 341     }
 342
 343     if (constants->count) {
 344         BEGIN_CS(16 + (vs->instruction_count * 4) + (constants->count * 4));
 345     } else {
 346         BEGIN_CS(13 + (vs->instruction_count * 4) + (constants->count * 4));
 347     }
 348
 349     OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_0, R300_PVS_FIRST_INST(0) |
 350             R300_PVS_LAST_INST(vs->instruction_count - 1));
 351     OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_1, vs->instruction_count - 1);
 352
 353     /* XXX */
 354     OUT_CS_REG(R300_VAP_PVS_CONST_CNTL, 0x0);
 355
 356     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
 357     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, vs->instruction_count * 4);
 358     for (i = 0; i < vs->instruction_count; i++) {
 359         OUT_CS(vs->instructions[i].inst0);
 360         OUT_CS(vs->instructions[i].inst1);
 361         OUT_CS(vs->instructions[i].inst2);
 362         OUT_CS(vs->instructions[i].inst3);
 363     }
 364
 365     if (constants->count) {
 366         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 367                 (r300screen->caps->is_r500 ?
 368                  R500_PVS_CONST_START : R300_PVS_CONST_START));
 369         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->count * 4);
 370         for (i = 0; i < constants->count; i++) {
 371             OUT_CS_32F(constants->constants[i][0]);
 372             OUT_CS_32F(constants->constants[i][1]);
 373             OUT_CS_32F(constants->constants[i][2]);
 374             OUT_CS_32F(constants->constants[i][3]);
 375         }
 376     }
 377
 378     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(10) |
 379             R300_PVS_NUM_CNTLRS(5) |
 380             R300_PVS_NUM_FPUS(r300screen->caps->num_vert_fpus) |
 381             R300_PVS_VF_MAX_VTX_NUM(12));
 382     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
 383     END_CS;
 384
 385 }
 386
 387 void r300_emit_viewport_state(struct r300_context* r300,
 388                               struct r300_viewport_state* viewport)
 389 {
 390     CS_LOCALS(r300);
 391
 392     BEGIN_CS(9);
 393     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
 394     OUT_CS_32F(viewport->xscale);
 395     OUT_CS_32F(viewport->xoffset);
 396     OUT_CS_32F(viewport->yscale);
 397     OUT_CS_32F(viewport->yoffset);
 398     OUT_CS_32F(viewport->zscale);
 399     OUT_CS_32F(viewport->zoffset);
 400
 401     OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
 402     END_CS;
 403 }
 404
 405 void r300_flush_textures(struct r300_context* r300)
 406 {
 407     CS_LOCALS(r300);
 408
 409     BEGIN_CS(4);
 410     OUT_CS_REG(R300_TX_INVALTAGS, 0);
 411     OUT_CS_REG(R300_TX_ENABLE, (1 << r300->texture_count) - 1);
 412     END_CS;
 413 }
 414
 415 /* Emit all dirty state. */
 416 void r300_emit_dirty_state(struct r300_context* r300)
 417 {
 418     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 419     int i;
 420     int dirty_tex = 0;
 421
 422     if (!(r300->dirty_state) && !(r300->dirty_hw)) {
 423         return;
 424     }
 425
 426     r300_update_derived_state(r300);
 427
 428     /* XXX check size */
 429
 430     if (r300->dirty_state & R300_NEW_BLEND) {
 431         r300_emit_blend_state(r300, r300->blend_state);
 432         r300->dirty_state &= ~R300_NEW_BLEND;
 433     }
 434
 435     if (r300->dirty_state & R300_NEW_BLEND_COLOR) {
 436         r300_emit_blend_color_state(r300, r300->blend_color_state);
 437         r300->dirty_state &= ~R300_NEW_BLEND_COLOR;
 438     }
 439
 440     if (r300->dirty_state & R300_NEW_DSA) {
 441         r300_emit_dsa_state(r300, r300->dsa_state);
 442         r300->dirty_state &= ~R300_NEW_DSA;
 443     }
 444
 445     if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER) {
 446         if (r300screen->caps->is_r500) {
 447             r500_emit_fragment_shader(r300,
 448                 (struct r500_fragment_shader*)r300->fs);
 449         } else {
 450             r300_emit_fragment_shader(r300,
 451                 (struct r300_fragment_shader*)r300->fs);
 452         }
 453         r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER;
 454     }
 455
 456     if (r300->dirty_state & R300_NEW_FRAMEBUFFERS) {
 457         r300_emit_fb_state(r300, &r300->framebuffer_state);
 458         r300->dirty_state &= ~R300_NEW_FRAMEBUFFERS;
 459     }
 460
 461     if (r300->dirty_state & R300_NEW_RASTERIZER) {
 462         r300_emit_rs_state(r300, r300->rs_state);
 463         r300->dirty_state &= ~R300_NEW_RASTERIZER;
 464     }
 465
 466     if (r300->dirty_state & R300_NEW_RS_BLOCK) {
 467         r300_emit_rs_block_state(r300, r300->rs_block);
 468         r300->dirty_state &= ~R300_NEW_RS_BLOCK;
 469     }
 470
 471     if (r300->dirty_state & R300_ANY_NEW_SAMPLERS) {
 472         for (i = 0; i < r300->sampler_count; i++) {
 473             if (r300->dirty_state & (R300_NEW_SAMPLER << i)) {
 474                 r300_emit_sampler(r300, r300->sampler_states[i], i);
 475                 r300->dirty_state &= ~(R300_NEW_SAMPLER << i);
 476                 dirty_tex++;
 477             }
 478         }
 479     }
 480
 481     if (r300->dirty_state & R300_NEW_SCISSOR) {
 482         r300_emit_scissor_state(r300, r300->scissor_state);
 483         r300->dirty_state &= ~R300_NEW_SCISSOR;
 484     }
 485
 486     if (r300->dirty_state & R300_ANY_NEW_TEXTURES) {
 487         for (i = 0; i < r300->texture_count; i++) {
 488             if (r300->dirty_state & (R300_NEW_TEXTURE << i)) {
 489                 r300_emit_texture(r300, r300->textures[i], i);
 490                 r300->dirty_state &= ~(R300_NEW_TEXTURE << i);
 491                 dirty_tex++;
 492             }
 493         }
 494     }
 495
 496     if (r300->dirty_state & R300_NEW_VIEWPORT) {
 497         r300_emit_viewport_state(r300, r300->viewport_state);
 498         r300->dirty_state &= ~R300_NEW_VIEWPORT;
 499     }
 500
 501     if (dirty_tex) {
 502         r300_flush_textures(r300);
 503     }
 504
 505     if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
 506         r300_emit_vertex_format_state(r300);
 507         r300->dirty_state &= ~R300_NEW_VERTEX_FORMAT;
 508     }
 509 }