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     CS_LOCALS(r300);
  86     int i;
  87
  88     BEGIN_CS(22);
  89
  90     OUT_CS_REG(R300_US_CONFIG, MAX2(fs->indirections - 1, 0));
  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, 0x0);
  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, 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     CS_LOCALS(r300);
 118     struct r300_constant_buffer* constants =
 119         &r300->shader_constants[PIPE_SHADER_FRAGMENT];
 120     int i;
 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 /* Translate pipe_format into US_OUT_FMT. Note that formats are stored from
 156  * C3 to C0. */
 157 uint32_t translate_out_fmt(enum pipe_format format)
 158 {
 159     switch (format) {
 160         case PIPE_FORMAT_A8R8G8B8_UNORM:
 161             return R300_US_OUT_FMT_C4_8 |
 162                 R300_C0_SEL_B | R300_C1_SEL_G |
 163                 R300_C2_SEL_R | R300_C3_SEL_A;
 164         default:
 165             return R300_US_OUT_FMT_UNUSED;
 166     }
 167     return 0;
 168 }
 169
 170 /* XXX add pitch, stride, clean up */
 171 void r300_emit_fb_state(struct r300_context* r300,
 172                         struct pipe_framebuffer_state* fb)
 173 {
 174     CS_LOCALS(r300);
 175     struct r300_texture* tex;
 176     int i;
 177
 178     BEGIN_CS((6 * fb->nr_cbufs) + (fb->zsbuf ? 6 : 0) + 4);
 179     for (i = 0; i < fb->nr_cbufs; i++) {
 180         tex = (struct r300_texture*)fb->cbufs[i]->texture;
 181         OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
 182         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 183
 184         OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i),
 185             translate_out_fmt(fb->cbufs[i]->format));
 186     }
 187
 188     if (fb->zsbuf) {
 189         tex = (struct r300_texture*)fb->zsbuf->texture;
 190         OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
 191         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
 192         if (fb->zsbuf->format == PIPE_FORMAT_Z24S8_UNORM) {
 193             OUT_CS_REG(R300_ZB_FORMAT,
 194                 R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL);
 195         } else {
 196             OUT_CS_REG(R300_ZB_FORMAT, 0x0);
 197         }
 198     }
 199
 200     OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
 201         R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 202         R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 203     OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
 204         R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 205         R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 206     END_CS;
 207 }
 208
 209 void r300_emit_rs_state(struct r300_context* r300, struct r300_rs_state* rs)
 210 {
 211     CS_LOCALS(r300);
 212
 213     BEGIN_CS(20);
 214     OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
 215     OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
 216     OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
 217     OUT_CS(rs->point_minmax);
 218     OUT_CS(rs->line_control);
 219     OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 6);
 220     OUT_CS(rs->depth_scale_front);
 221     OUT_CS(rs->depth_offset_front);
 222     OUT_CS(rs->depth_scale_back);
 223     OUT_CS(rs->depth_offset_back);
 224     OUT_CS(rs->polygon_offset_enable);
 225     OUT_CS(rs->cull_mode);
 226     OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
 227     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
 228     OUT_CS_REG(R300_GA_COLOR_CONTROL, rs->color_control);
 229     END_CS;
 230 }
 231
 232 void r300_emit_rs_block_state(struct r300_context* r300,
 233                               struct r300_rs_block* rs)
 234 {
 235     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 236     CS_LOCALS(r300);
 237     int i;
 238
 239     BEGIN_CS(21);
 240     if (r300screen->caps->is_r500) {
 241         OUT_CS_REG_SEQ(R500_RS_IP_0, 8);
 242     } else {
 243         OUT_CS_REG_SEQ(R300_RS_IP_0, 8);
 244     }
 245     for (i = 0; i < 8; i++) {
 246         OUT_CS(rs->ip[i]);
 247         debug_printf("ip %d: 0x%08x\n", i, rs->ip[i]);
 248     }
 249
 250     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
 251     OUT_CS(rs->count);
 252     OUT_CS(rs->inst_count);
 253
 254     if (r300screen->caps->is_r500) {
 255         OUT_CS_REG_SEQ(R500_RS_INST_0, 8);
 256     } else {
 257         OUT_CS_REG_SEQ(R300_RS_INST_0, 8);
 258     }
 259     for (i = 0; i < 8; i++) {
 260         OUT_CS(rs->inst[i]);
 261         debug_printf("inst %d: 0x%08x\n", i, rs->inst[i]);
 262     }
 263
 264     debug_printf("count: 0x%08x inst_count: 0x%08x\n", rs->count,
 265             rs->inst_count);
 266
 267     END_CS;
 268 }
 269
 270 void r300_emit_sampler(struct r300_context* r300,
 271                        struct r300_sampler_state* sampler, unsigned offset)
 272 {
 273     CS_LOCALS(r300);
 274
 275     BEGIN_CS(6);
 276     OUT_CS_REG(R300_TX_FILTER0_0 + (offset * 4), sampler->filter0);
 277     OUT_CS_REG(R300_TX_FILTER1_0 + (offset * 4), sampler->filter1);
 278     OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (offset * 4), sampler->border_color);
 279     END_CS;
 280 }
 281
 282 void r300_emit_scissor_state(struct r300_context* r300,
 283                              struct r300_scissor_state* scissor)
 284 {
 285     CS_LOCALS(r300);
 286
 287     BEGIN_CS(3);
 288     OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
 289     OUT_CS(scissor->scissor_top_left);
 290     OUT_CS(scissor->scissor_bottom_right);
 291     END_CS;
 292 }
 293
 294 void r300_emit_texture(struct r300_context* r300,
 295                        struct r300_texture* tex, unsigned offset)
 296 {
 297     CS_LOCALS(r300);
 298
 299     BEGIN_CS(10);
 300     OUT_CS_REG(R300_TX_FORMAT0_0 + (offset * 4), tex->state.format0);
 301     OUT_CS_REG(R300_TX_FORMAT1_0 + (offset * 4), tex->state.format1);
 302     OUT_CS_REG(R300_TX_FORMAT2_0 + (offset * 4), tex->state.format2);
 303     OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (offset * 4), 1);
 304     OUT_CS_RELOC(tex->buffer, 0,
 305             RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0, 0);
 306     END_CS;
 307 }
 308
 309 void r300_emit_vertex_format_state(struct r300_context* r300)
 310 {
 311     CS_LOCALS(r300);
 312     int i;
 313
 314     BEGIN_CS(26);
 315     OUT_CS_REG(R300_VAP_VTX_SIZE, r300->vertex_info.vinfo.size);
 316
 317     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
 318     OUT_CS(r300->vertex_info.vinfo.hwfmt[0]);
 319     OUT_CS(r300->vertex_info.vinfo.hwfmt[1]);
 320     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 321     OUT_CS(r300->vertex_info.vinfo.hwfmt[2]);
 322     OUT_CS(r300->vertex_info.vinfo.hwfmt[3]);
 323     for (i = 0; i < 4; i++) {
 324         debug_printf("hwfmt%d: 0x%08x\n", i,
 325                 r300->vertex_info.vinfo.hwfmt[i]);
 326     }
 327
 328     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, 8);
 329     for (i = 0; i < 8; i++) {
 330         OUT_CS(r300->vertex_info.vap_prog_stream_cntl[i]);
 331         debug_printf("prog_stream_cntl%d: 0x%08x\n", i,
 332                 r300->vertex_info.vap_prog_stream_cntl[i]);
 333     }
 334     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, 8);
 335     for (i = 0; i < 8; i++) {
 336         OUT_CS(r300->vertex_info.vap_prog_stream_cntl_ext[i]);
 337         debug_printf("prog_stream_cntl_ext%d: 0x%08x\n", i,
 338                 r300->vertex_info.vap_prog_stream_cntl_ext[i]);
 339     }
 340     END_CS;
 341 }
 342
 343 void r300_emit_viewport_state(struct r300_context* r300,
 344                               struct r300_viewport_state* viewport)
 345 {
 346     return;
 347     CS_LOCALS(r300);
 348
 349     BEGIN_CS(7);
 350     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 7);
 351     OUT_CS_32F(viewport->xscale);
 352     OUT_CS_32F(viewport->xoffset);
 353     OUT_CS_32F(viewport->yscale);
 354     OUT_CS_32F(viewport->yoffset);
 355     OUT_CS_32F(viewport->zscale);
 356     OUT_CS_32F(viewport->zoffset);
 357     OUT_CS(viewport->vte_control);
 358     END_CS;
 359 }
 360
 361 static void r300_flush_textures(struct r300_context* r300)
 362 {
 363     CS_LOCALS(r300);
 364
 365     BEGIN_CS(4);
 366     OUT_CS_REG(R300_TX_INVALTAGS, 0);
 367     OUT_CS_REG(R300_TX_ENABLE, (1 << r300->texture_count) - 1);
 368     END_CS;
 369 }
 370
 371 /* Emit all dirty state. */
 372 void r300_emit_dirty_state(struct r300_context* r300)
 373 {
 374     struct r300_screen* r300screen = r300_screen(r300->context.screen);
 375     int i;
 376     int dirty_tex = 0;
 377
 378     if (!(r300->dirty_state) && !(r300->dirty_hw)) {
 379         return;
 380     }
 381
 382     r300_update_derived_state(r300);
 383
 384     /* XXX check size */
 385
 386     if (r300->dirty_state & R300_NEW_BLEND) {
 387         r300_emit_blend_state(r300, r300->blend_state);
 388         r300->dirty_state &= ~R300_NEW_BLEND;
 389     }
 390
 391     if (r300->dirty_state & R300_NEW_BLEND_COLOR) {
 392         r300_emit_blend_color_state(r300, r300->blend_color_state);
 393         r300->dirty_state &= ~R300_NEW_BLEND_COLOR;
 394     }
 395
 396     if (r300->dirty_state & R300_NEW_DSA) {
 397         r300_emit_dsa_state(r300, r300->dsa_state);
 398         r300->dirty_state &= ~R300_NEW_DSA;
 399     }
 400
 401     if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER) {
 402         if (r300screen->caps->is_r500) {
 403             r500_emit_fragment_shader(r300,
 404                 (struct r500_fragment_shader*)r300->fs);
 405         } else {
 406             r300_emit_fragment_shader(r300,
 407                 (struct r300_fragment_shader*)r300->fs);
 408         }
 409         r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER;
 410     }
 411
 412     if (r300->dirty_state & R300_NEW_FRAMEBUFFERS) {
 413         r300_emit_fb_state(r300, &r300->framebuffer_state);
 414         r300->dirty_state &= ~R300_NEW_FRAMEBUFFERS;
 415     }
 416
 417     if (r300->dirty_state & R300_NEW_RASTERIZER) {
 418         r300_emit_rs_state(r300, r300->rs_state);
 419         r300->dirty_state &= ~R300_NEW_RASTERIZER;
 420     }
 421
 422     if (r300->dirty_state & R300_NEW_RS_BLOCK) {
 423         r300_emit_rs_block_state(r300, r300->rs_block);
 424         r300->dirty_state &= ~R300_NEW_RS_BLOCK;
 425     }
 426
 427     if (r300->dirty_state & R300_ANY_NEW_SAMPLERS) {
 428         for (i = 0; i < r300->sampler_count; i++) {
 429             if (r300->dirty_state & (R300_NEW_SAMPLER << i)) {
 430                 r300_emit_sampler(r300, r300->sampler_states[i], i);
 431                 r300->dirty_state &= ~(R300_NEW_SAMPLER << i);
 432                 dirty_tex++;
 433             }
 434         }
 435     }
 436
 437     if (r300->dirty_state & R300_NEW_SCISSOR) {
 438         r300_emit_scissor_state(r300, r300->scissor_state);
 439         r300->dirty_state &= ~R300_NEW_SCISSOR;
 440     }
 441
 442     if (r300->dirty_state & R300_ANY_NEW_TEXTURES) {
 443         for (i = 0; i < r300->texture_count; i++) {
 444             if (r300->dirty_state & (R300_NEW_TEXTURE << i)) {
 445                 r300_emit_texture(r300, r300->textures[i], i);
 446                 r300->dirty_state &= ~(R300_NEW_TEXTURE << i);
 447                 dirty_tex++;
 448             }
 449         }
 450     }
 451
 452     if (r300->dirty_state & R300_NEW_VIEWPORT) {
 453         r300_emit_viewport_state(r300, r300->viewport_state);
 454         r300->dirty_state &= ~R300_NEW_VIEWPORT;
 455     }
 456
 457     if (dirty_tex) {
 458         r300_flush_textures(r300);
 459     }
 460
 461     if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
 462         r300_emit_vertex_format_state(r300);
 463         r300->dirty_state &= ~R300_NEW_VERTEX_FORMAT;
 464     }
 465 }