r300g: reorder and cleanup register writes everywhere
[mesa.git] / src / gallium / drivers / r300 / r300_emit.c
1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2009 Marek Olšák <maraeo@gmail.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24 /* r300_emit: Functions for emitting state. */
25
26 #include "util/u_format.h"
27 #include "util/u_math.h"
28 #include "util/u_simple_list.h"
29
30 #include "r300_context.h"
31 #include "r300_cs.h"
32 #include "r300_emit.h"
33 #include "r300_fs.h"
34 #include "r300_screen.h"
35 #include "r300_screen_buffer.h"
36 #include "r300_vs.h"
37
38 void r300_emit_blend_state(struct r300_context* r300,
39 unsigned size, void* state)
40 {
41 struct r300_blend_state* blend = (struct r300_blend_state*)state;
42 struct pipe_framebuffer_state* fb =
43 (struct pipe_framebuffer_state*)r300->fb_state.state;
44 CS_LOCALS(r300);
45
46 if (fb->nr_cbufs) {
47 WRITE_CS_TABLE(blend->cb, size);
48 } else {
49 WRITE_CS_TABLE(blend->cb_no_readwrite, size);
50 }
51 }
52
53 void r300_emit_blend_color_state(struct r300_context* r300,
54 unsigned size, void* state)
55 {
56 struct r300_blend_color_state* bc = (struct r300_blend_color_state*)state;
57 CS_LOCALS(r300);
58
59 WRITE_CS_TABLE(bc->cb, size);
60 }
61
62 void r300_emit_clip_state(struct r300_context* r300,
63 unsigned size, void* state)
64 {
65 struct r300_clip_state* clip = (struct r300_clip_state*)state;
66 CS_LOCALS(r300);
67
68 WRITE_CS_TABLE(clip->cb, size);
69 }
70
71 void r300_emit_dsa_state(struct r300_context* r300, unsigned size, void* state)
72 {
73 struct r300_dsa_state* dsa = (struct r300_dsa_state*)state;
74 struct pipe_framebuffer_state* fb =
75 (struct pipe_framebuffer_state*)r300->fb_state.state;
76 CS_LOCALS(r300);
77
78 if (fb->zsbuf) {
79 WRITE_CS_TABLE(&dsa->cb_begin, size);
80 } else {
81 WRITE_CS_TABLE(dsa->cb_no_readwrite, size);
82 }
83 }
84
85 static const float * get_rc_constant_state(
86 struct r300_context * r300,
87 struct rc_constant * constant)
88 {
89 struct r300_textures_state* texstate = r300->textures_state.state;
90 static float vec[4] = { 0.0, 0.0, 0.0, 1.0 };
91 struct pipe_resource *tex;
92
93 assert(constant->Type == RC_CONSTANT_STATE);
94
95 switch (constant->u.State[0]) {
96 /* Factor for converting rectangle coords to
97 * normalized coords. Should only show up on non-r500. */
98 case RC_STATE_R300_TEXRECT_FACTOR:
99 tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
100 vec[0] = 1.0 / tex->width0;
101 vec[1] = 1.0 / tex->height0;
102 break;
103
104 case RC_STATE_R300_VIEWPORT_SCALE:
105 vec[0] = r300->viewport.scale[0];
106 vec[1] = r300->viewport.scale[1];
107 vec[2] = r300->viewport.scale[2];
108 break;
109
110 case RC_STATE_R300_VIEWPORT_OFFSET:
111 vec[0] = r300->viewport.translate[0];
112 vec[1] = r300->viewport.translate[1];
113 vec[2] = r300->viewport.translate[2];
114 break;
115
116 default:
117 fprintf(stderr, "r300: Implementation error: "
118 "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
119 }
120
121 /* This should either be (0, 0, 0, 1), which should be a relatively safe
122 * RGBA or STRQ value, or it could be one of the RC_CONSTANT_STATE
123 * state factors. */
124 return vec;
125 }
126
127 /* Convert a normal single-precision float into the 7.16 format
128 * used by the R300 fragment shader.
129 */
130 uint32_t pack_float24(float f)
131 {
132 union {
133 float fl;
134 uint32_t u;
135 } u;
136 float mantissa;
137 int exponent;
138 uint32_t float24 = 0;
139
140 if (f == 0.0)
141 return 0;
142
143 u.fl = f;
144
145 mantissa = frexpf(f, &exponent);
146
147 /* Handle -ve */
148 if (mantissa < 0) {
149 float24 |= (1 << 23);
150 mantissa = mantissa * -1.0;
151 }
152 /* Handle exponent, bias of 63 */
153 exponent += 62;
154 float24 |= (exponent << 16);
155 /* Kill 7 LSB of mantissa */
156 float24 |= (u.u & 0x7FFFFF) >> 7;
157
158 return float24;
159 }
160
161 void r300_emit_fs(struct r300_context* r300, unsigned size, void *state)
162 {
163 struct r300_fragment_shader *fs = r300_fs(r300);
164 CS_LOCALS(r300);
165
166 WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
167 }
168
169 void r300_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
170 {
171 struct r300_fragment_shader *fs = r300_fs(r300);
172 struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
173 unsigned count = fs->shader->externals_count * 4;
174 CS_LOCALS(r300);
175
176 if (count == 0)
177 return;
178
179 BEGIN_CS(size);
180 OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X, count);
181 OUT_CS_TABLE(buf->constants, count);
182 END_CS;
183 }
184
185 void r300_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
186 {
187 struct r300_fragment_shader *fs = r300_fs(r300);
188 struct rc_constant_list *constants = &fs->shader->code.constants;
189 unsigned i;
190 unsigned count = fs->shader->rc_state_count;
191 unsigned first = fs->shader->externals_count;
192 unsigned end = constants->Count;
193 uint32_t cdata[4];
194 unsigned j;
195 CS_LOCALS(r300);
196
197 if (count == 0)
198 return;
199
200 BEGIN_CS(size);
201 for(i = first; i < end; ++i) {
202 if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
203 const float *data =
204 get_rc_constant_state(r300, &constants->Constants[i]);
205
206 for (j = 0; j < 4; j++)
207 cdata[j] = pack_float24(data[j]);
208
209 OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X + i * 16, 4);
210 OUT_CS_TABLE(cdata, 4);
211 }
212 }
213 END_CS;
214 }
215
216 void r500_emit_fs(struct r300_context* r300, unsigned size, void *state)
217 {
218 struct r300_fragment_shader *fs = r300_fs(r300);
219 CS_LOCALS(r300);
220
221 WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
222 }
223
224 void r500_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
225 {
226 struct r300_fragment_shader *fs = r300_fs(r300);
227 struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
228 unsigned count = fs->shader->externals_count * 4;
229 CS_LOCALS(r300);
230
231 if (count == 0)
232 return;
233
234 BEGIN_CS(size);
235 OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
236 OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, count);
237 OUT_CS_TABLE(buf->constants, count);
238 END_CS;
239 }
240
241 void r500_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
242 {
243 struct r300_fragment_shader *fs = r300_fs(r300);
244 struct rc_constant_list *constants = &fs->shader->code.constants;
245 unsigned i;
246 unsigned count = fs->shader->rc_state_count;
247 unsigned first = fs->shader->externals_count;
248 unsigned end = constants->Count;
249 CS_LOCALS(r300);
250
251 if (count == 0)
252 return;
253
254 BEGIN_CS(size);
255 for(i = first; i < end; ++i) {
256 if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
257 const float *data =
258 get_rc_constant_state(r300, &constants->Constants[i]);
259
260 OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
261 R500_GA_US_VECTOR_INDEX_TYPE_CONST |
262 (i & R500_GA_US_VECTOR_INDEX_MASK));
263 OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, 4);
264 OUT_CS_TABLE(data, 4);
265 }
266 }
267 END_CS;
268 }
269
270 void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
271 {
272 struct pipe_framebuffer_state* fb = (struct pipe_framebuffer_state*)state;
273 struct r300_surface* surf;
274 unsigned i;
275 CS_LOCALS(r300);
276
277 BEGIN_CS(size);
278
279 /* Set up scissors.
280 * By writing to the SC registers, SC & US assert idle. */
281 OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
282 if (r300->screen->caps.is_r500) {
283 OUT_CS(0);
284 OUT_CS(((fb->width - 1) << R300_SCISSORS_X_SHIFT) |
285 ((fb->height - 1) << R300_SCISSORS_Y_SHIFT));
286 } else {
287 OUT_CS((1440 << R300_SCISSORS_X_SHIFT) |
288 (1440 << R300_SCISSORS_Y_SHIFT));
289 OUT_CS(((fb->width + 1440-1) << R300_SCISSORS_X_SHIFT) |
290 ((fb->height + 1440-1) << R300_SCISSORS_Y_SHIFT));
291 }
292
293 /* Flush and free renderbuffer caches. */
294 OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
295 R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
296 R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
297 OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
298 R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
299 R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
300
301 /* Wait until the GPU is idle.
302 * This fixes random pixels sometimes appearing probably caused
303 * by incomplete rendering. */
304 OUT_CS_REG(RADEON_WAIT_UNTIL, RADEON_WAIT_3D_IDLECLEAN);
305
306 /* XXX unpipelined regs
307 rb3d_aaresolve_ctl
308 rb3d_aaresolve_offset
309 rb3d_aaresolve_pitch
310 gb_aa_config
311 */
312
313 /* NUM_MULTIWRITES replicates COLOR[0] to all colorbuffers, which is not
314 * what we usually want. */
315 if (r300->screen->caps.is_r500) {
316 OUT_CS_REG(R300_RB3D_CCTL,
317 R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE);
318 } else {
319 OUT_CS_REG(R300_RB3D_CCTL, 0);
320 }
321
322 /* Set up colorbuffers. */
323 for (i = 0; i < fb->nr_cbufs; i++) {
324 surf = r300_surface(fb->cbufs[i]);
325
326 OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
327 OUT_CS_RELOC(surf->buffer, surf->offset, 0, surf->domain, 0);
328
329 OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0 + (4 * i), 1);
330 OUT_CS_RELOC(surf->buffer, surf->pitch, 0, surf->domain, 0);
331 }
332
333 /* Set up a zbuffer. */
334 if (fb->zsbuf) {
335 surf = r300_surface(fb->zsbuf);
336
337 OUT_CS_REG(R300_ZB_FORMAT, surf->format);
338 OUT_CS_REG(R300_ZB_BW_CNTL, 0);
339
340 OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
341 OUT_CS_RELOC(surf->buffer, surf->offset, 0, surf->domain, 0);
342
343 OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH, 1);
344 OUT_CS_RELOC(surf->buffer, surf->pitch, 0, surf->domain, 0);
345
346 OUT_CS_REG(R300_ZB_DEPTHCLEARVALUE, 0);
347
348 /* HiZ RAM. */
349 if (r300->screen->caps.has_hiz) {
350 OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0);
351 OUT_CS_REG(R300_ZB_HIZ_PITCH, 0);
352 }
353
354 /* Z Mask RAM. (compressed zbuffer) */
355 OUT_CS_REG(R300_ZB_ZMASK_OFFSET, 0);
356 OUT_CS_REG(R300_ZB_ZMASK_PITCH, 0);
357 }
358
359 /* Colorbuffer format in the US block.
360 * (must be written after unpipelined regs) */
361 OUT_CS_REG_SEQ(R300_US_OUT_FMT_0, 4);
362 for (i = 0; i < fb->nr_cbufs; i++) {
363 OUT_CS(r300_surface(fb->cbufs[i])->format);
364 }
365 for (; i < 4; i++) {
366 OUT_CS(R300_US_OUT_FMT_UNUSED);
367 }
368 END_CS;
369 }
370
371 void r300_emit_query_start(struct r300_context *r300, unsigned size, void*state)
372 {
373 struct r300_query *query = r300->query_current;
374 CS_LOCALS(r300);
375
376 if (!query)
377 return;
378
379 BEGIN_CS(size);
380 if (r300->screen->caps.family == CHIP_FAMILY_RV530) {
381 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
382 } else {
383 OUT_CS_REG(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
384 }
385 OUT_CS_REG(R300_ZB_ZPASS_DATA, 0);
386 END_CS;
387 query->begin_emitted = TRUE;
388 query->flushed = FALSE;
389 }
390
391 static void r300_emit_query_end_frag_pipes(struct r300_context *r300,
392 struct r300_query *query)
393 {
394 struct r300_capabilities* caps = &r300->screen->caps;
395 struct r300_winsys_buffer *buf = r300->query_current->buffer;
396 CS_LOCALS(r300);
397
398 assert(caps->num_frag_pipes);
399
400 BEGIN_CS(6 * caps->num_frag_pipes + 2);
401 /* I'm not so sure I like this switch, but it's hard to be elegant
402 * when there's so many special cases...
403 *
404 * So here's the basic idea. For each pipe, enable writes to it only,
405 * then put out the relocation for ZPASS_ADDR, taking into account a
406 * 4-byte offset for each pipe. RV380 and older are special; they have
407 * only two pipes, and the second pipe's enable is on bit 3, not bit 1,
408 * so there's a chipset cap for that. */
409 switch (caps->num_frag_pipes) {
410 case 4:
411 /* pipe 3 only */
412 OUT_CS_REG(R300_SU_REG_DEST, 1 << 3);
413 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
414 OUT_CS_RELOC(buf, (query->num_results + 3) * 4,
415 0, query->domain, 0);
416 case 3:
417 /* pipe 2 only */
418 OUT_CS_REG(R300_SU_REG_DEST, 1 << 2);
419 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
420 OUT_CS_RELOC(buf, (query->num_results + 2) * 4,
421 0, query->domain, 0);
422 case 2:
423 /* pipe 1 only */
424 /* As mentioned above, accomodate RV380 and older. */
425 OUT_CS_REG(R300_SU_REG_DEST,
426 1 << (caps->high_second_pipe ? 3 : 1));
427 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
428 OUT_CS_RELOC(buf, (query->num_results + 1) * 4,
429 0, query->domain, 0);
430 case 1:
431 /* pipe 0 only */
432 OUT_CS_REG(R300_SU_REG_DEST, 1 << 0);
433 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
434 OUT_CS_RELOC(buf, (query->num_results + 0) * 4,
435 0, query->domain, 0);
436 break;
437 default:
438 fprintf(stderr, "r300: Implementation error: Chipset reports %d"
439 " pixel pipes!\n", caps->num_frag_pipes);
440 abort();
441 }
442
443 /* And, finally, reset it to normal... */
444 OUT_CS_REG(R300_SU_REG_DEST, 0xF);
445 END_CS;
446 }
447
448 static void rv530_emit_query_end_single_z(struct r300_context *r300,
449 struct r300_query *query)
450 {
451 struct r300_winsys_buffer *buf = r300->query_current->buffer;
452 CS_LOCALS(r300);
453
454 BEGIN_CS(8);
455 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
456 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
457 OUT_CS_RELOC(buf, query->num_results * 4, 0, query->domain, 0);
458 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
459 END_CS;
460 }
461
462 static void rv530_emit_query_end_double_z(struct r300_context *r300,
463 struct r300_query *query)
464 {
465 struct r300_winsys_buffer *buf = r300->query_current->buffer;
466 CS_LOCALS(r300);
467
468 BEGIN_CS(14);
469 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
470 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
471 OUT_CS_RELOC(buf, (query->num_results + 0) * 4, 0, query->domain, 0);
472 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_1);
473 OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
474 OUT_CS_RELOC(buf, (query->num_results + 1) * 4, 0, query->domain, 0);
475 OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
476 END_CS;
477 }
478
479 void r300_emit_query_end(struct r300_context* r300)
480 {
481 struct r300_capabilities *caps = &r300->screen->caps;
482 struct r300_query *query = r300->query_current;
483
484 if (!query)
485 return;
486
487 if (query->begin_emitted == FALSE)
488 return;
489
490 if (caps->family == CHIP_FAMILY_RV530) {
491 if (caps->num_z_pipes == 2)
492 rv530_emit_query_end_double_z(r300, query);
493 else
494 rv530_emit_query_end_single_z(r300, query);
495 } else
496 r300_emit_query_end_frag_pipes(r300, query);
497
498 query->begin_emitted = FALSE;
499 query->num_results += query->num_pipes;
500
501 /* XXX grab all the results and reset the counter. */
502 if (query->num_results >= query->buffer_size / 4 - 4) {
503 query->num_results = (query->buffer_size / 4) / 2;
504 fprintf(stderr, "r300: Rewinding OQBO...\n");
505 }
506 }
507
508 void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state)
509 {
510 struct r300_rs_state* rs = state;
511 struct pipe_framebuffer_state* fb = r300->fb_state.state;
512 float scale, offset;
513 unsigned mspos0, mspos1, aa_config;
514 CS_LOCALS(r300);
515
516 BEGIN_CS(size);
517 OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
518
519 /* Multisampling. Depends on framebuffer sample count. */
520 if (r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0)) {
521 if (fb->nr_cbufs && fb->cbufs[0]->texture->nr_samples > 1) {
522 aa_config = R300_GB_AA_CONFIG_AA_ENABLE;
523 /* Subsample placement. These may not be optimal. */
524 switch (fb->cbufs[0]->texture->nr_samples) {
525 case 2:
526 aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2;
527 mspos0 = 0x33996633;
528 mspos1 = 0x6666663;
529 break;
530 case 3:
531 aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_3;
532 mspos0 = 0x33936933;
533 mspos1 = 0x6666663;
534 break;
535 case 4:
536 aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4;
537 mspos0 = 0x33939933;
538 mspos1 = 0x3966663;
539 break;
540 case 6:
541 aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6;
542 mspos0 = 0x22a2aa22;
543 mspos1 = 0x2a65672;
544 break;
545 default:
546 debug_printf("r300: Bad number of multisamples!\n");
547 mspos0 = rs->multisample_position_0;
548 mspos1 = rs->multisample_position_1;
549 break;
550 }
551
552 OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
553 OUT_CS(mspos0);
554 OUT_CS(mspos1);
555
556 OUT_CS_REG(R300_GB_AA_CONFIG, aa_config);
557 } else {
558 OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
559 OUT_CS(rs->multisample_position_0);
560 OUT_CS(rs->multisample_position_1);
561
562 OUT_CS_REG(R300_GB_AA_CONFIG, rs->antialiasing_config);
563 }
564 }
565
566 OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
567 OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
568 OUT_CS(rs->point_minmax);
569 OUT_CS(rs->line_control);
570
571 if (rs->polygon_offset_enable) {
572 scale = rs->depth_scale * 12;
573 offset = rs->depth_offset;
574
575 switch (r300->zbuffer_bpp) {
576 case 16:
577 offset *= 4;
578 break;
579 case 24:
580 offset *= 2;
581 break;
582 }
583
584 OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
585 OUT_CS_32F(scale);
586 OUT_CS_32F(offset);
587 OUT_CS_32F(scale);
588 OUT_CS_32F(offset);
589 }
590
591 OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE, 2);
592 OUT_CS(rs->polygon_offset_enable);
593 OUT_CS(rs->cull_mode);
594 OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
595 OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
596 OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode);
597 OUT_CS_REG(R300_SC_CLIP_RULE, rs->clip_rule);
598 OUT_CS_REG(R300_GB_ENABLE, rs->stuffing_enable);
599 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
600 OUT_CS_32F(rs->point_texcoord_left);
601 OUT_CS_32F(rs->point_texcoord_bottom);
602 OUT_CS_32F(rs->point_texcoord_right);
603 OUT_CS_32F(rs->point_texcoord_top);
604 END_CS;
605 }
606
607 void r300_emit_rs_block_state(struct r300_context* r300,
608 unsigned size, void* state)
609 {
610 struct r300_rs_block* rs = (struct r300_rs_block*)state;
611 unsigned i;
612 /* It's the same for both INST and IP tables */
613 unsigned count = (rs->inst_count & R300_RS_INST_COUNT_MASK) + 1;
614 CS_LOCALS(r300);
615
616 if (SCREEN_DBG_ON(r300->screen, DBG_DRAW)) {
617 r500_dump_rs_block(rs);
618 }
619
620 DBG(r300, DBG_DRAW, "r300: RS emit:\n");
621
622 BEGIN_CS(size);
623 OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
624 OUT_CS(rs->vap_vtx_state_cntl);
625 OUT_CS(rs->vap_vsm_vtx_assm);
626 OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
627 OUT_CS(rs->vap_out_vtx_fmt[0]);
628 OUT_CS(rs->vap_out_vtx_fmt[1]);
629
630 if (r300->screen->caps.is_r500) {
631 OUT_CS_REG_SEQ(R500_RS_IP_0, count);
632 } else {
633 OUT_CS_REG_SEQ(R300_RS_IP_0, count);
634 }
635 OUT_CS_TABLE(rs->ip, count);
636 for (i = 0; i < count; i++) {
637 DBG(r300, DBG_DRAW, " : ip %d: 0x%08x\n", i, rs->ip[i]);
638 }
639
640 OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
641 OUT_CS(rs->count);
642 OUT_CS(rs->inst_count);
643
644 if (r300->screen->caps.is_r500) {
645 OUT_CS_REG_SEQ(R500_RS_INST_0, count);
646 } else {
647 OUT_CS_REG_SEQ(R300_RS_INST_0, count);
648 }
649 OUT_CS_TABLE(rs->inst, count);
650 for (i = 0; i < count; i++) {
651 DBG(r300, DBG_DRAW, " : inst %d: 0x%08x\n", i, rs->inst[i]);
652 }
653
654 DBG(r300, DBG_DRAW, " : count: 0x%08x inst_count: 0x%08x\n",
655 rs->count, rs->inst_count);
656
657 END_CS;
658 }
659
660 void r300_emit_scissor_state(struct r300_context* r300,
661 unsigned size, void* state)
662 {
663 struct pipe_scissor_state* scissor = (struct pipe_scissor_state*)state;
664 CS_LOCALS(r300);
665
666 BEGIN_CS(size);
667 OUT_CS_REG_SEQ(R300_SC_CLIPRECT_TL_0, 2);
668 if (r300->screen->caps.is_r500) {
669 OUT_CS((scissor->minx << R300_CLIPRECT_X_SHIFT) |
670 (scissor->miny << R300_CLIPRECT_Y_SHIFT));
671 OUT_CS(((scissor->maxx - 1) << R300_CLIPRECT_X_SHIFT) |
672 ((scissor->maxy - 1) << R300_CLIPRECT_Y_SHIFT));
673 } else {
674 OUT_CS(((scissor->minx + 1440) << R300_CLIPRECT_X_SHIFT) |
675 ((scissor->miny + 1440) << R300_CLIPRECT_Y_SHIFT));
676 OUT_CS(((scissor->maxx + 1440-1) << R300_CLIPRECT_X_SHIFT) |
677 ((scissor->maxy + 1440-1) << R300_CLIPRECT_Y_SHIFT));
678 }
679 END_CS;
680 }
681
682 void r300_emit_textures_state(struct r300_context *r300,
683 unsigned size, void *state)
684 {
685 struct r300_textures_state *allstate = (struct r300_textures_state*)state;
686 struct r300_texture_sampler_state *texstate;
687 struct r300_texture *tex;
688 unsigned i;
689 CS_LOCALS(r300);
690
691 BEGIN_CS(size);
692 OUT_CS_REG(R300_TX_ENABLE, allstate->tx_enable);
693
694 for (i = 0; i < allstate->count; i++) {
695 if ((1 << i) & allstate->tx_enable) {
696 texstate = &allstate->regs[i];
697 tex = r300_texture(allstate->sampler_views[i]->base.texture);
698
699 OUT_CS_REG(R300_TX_FILTER0_0 + (i * 4), texstate->filter0);
700 OUT_CS_REG(R300_TX_FILTER1_0 + (i * 4), texstate->filter1);
701 OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (i * 4),
702 texstate->border_color);
703
704 OUT_CS_REG(R300_TX_FORMAT0_0 + (i * 4), texstate->format.format0);
705 OUT_CS_REG(R300_TX_FORMAT1_0 + (i * 4), texstate->format.format1);
706 OUT_CS_REG(R300_TX_FORMAT2_0 + (i * 4), texstate->format.format2);
707
708 OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (i * 4), 1);
709 OUT_CS_TEX_RELOC(tex, texstate->format.tile_config, tex->domain,
710 0, 0);
711 }
712 }
713 END_CS;
714 }
715
716 void r300_emit_aos(struct r300_context* r300, int offset, boolean indexed)
717 {
718 struct pipe_vertex_buffer *vb1, *vb2, *vbuf = r300->vertex_buffer;
719 struct pipe_vertex_element *velem = r300->velems->velem;
720 struct r300_buffer *buf;
721 int i;
722 unsigned *hw_format_size = r300->velems->hw_format_size;
723 unsigned size1, size2, aos_count = r300->velems->count;
724 unsigned packet_size = (aos_count * 3 + 1) / 2;
725 CS_LOCALS(r300);
726
727 BEGIN_CS(2 + packet_size + aos_count * 2);
728 OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size);
729 OUT_CS(aos_count | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
730
731 for (i = 0; i < aos_count - 1; i += 2) {
732 vb1 = &vbuf[velem[i].vertex_buffer_index];
733 vb2 = &vbuf[velem[i+1].vertex_buffer_index];
734 size1 = hw_format_size[i];
735 size2 = hw_format_size[i+1];
736
737 OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) |
738 R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride));
739 OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
740 OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride);
741 }
742
743 if (aos_count & 1) {
744 vb1 = &vbuf[velem[i].vertex_buffer_index];
745 size1 = hw_format_size[i];
746
747 OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride));
748 OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
749 }
750
751 for (i = 0; i < aos_count; i++) {
752 buf = r300_buffer(vbuf[velem[i].vertex_buffer_index].buffer);
753 OUT_CS_BUF_RELOC_NO_OFFSET(&buf->b.b, buf->domain, 0, 0);
754 }
755 END_CS;
756 }
757
758 void r300_emit_aos_swtcl(struct r300_context *r300, boolean indexed)
759 {
760 CS_LOCALS(r300);
761
762 DBG(r300, DBG_DRAW, "r300: Preparing vertex buffer %p for render, "
763 "vertex size %d\n", r300->vbo,
764 r300->vertex_info.size);
765 /* Set the pointer to our vertex buffer. The emitted values are this:
766 * PACKET3 [3D_LOAD_VBPNTR]
767 * COUNT [1]
768 * FORMAT [size | stride << 8]
769 * OFFSET [offset into BO]
770 * VBPNTR [relocated BO]
771 */
772 BEGIN_CS(7);
773 OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
774 OUT_CS(1 | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
775 OUT_CS(r300->vertex_info.size |
776 (r300->vertex_info.size << 8));
777 OUT_CS(r300->vbo_offset);
778 OUT_CS_BUF_RELOC(r300->vbo, 0, r300_buffer(r300->vbo)->domain, 0, 0);
779 END_CS;
780 }
781
782 void r300_emit_vertex_stream_state(struct r300_context* r300,
783 unsigned size, void* state)
784 {
785 struct r300_vertex_stream_state *streams =
786 (struct r300_vertex_stream_state*)state;
787 unsigned i;
788 CS_LOCALS(r300);
789
790 DBG(r300, DBG_DRAW, "r300: PSC emit:\n");
791
792 BEGIN_CS(size);
793 OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, streams->count);
794 OUT_CS_TABLE(streams->vap_prog_stream_cntl, streams->count);
795 for (i = 0; i < streams->count; i++) {
796 DBG(r300, DBG_DRAW, " : prog_stream_cntl%d: 0x%08x\n", i,
797 streams->vap_prog_stream_cntl[i]);
798 }
799 OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, streams->count);
800 OUT_CS_TABLE(streams->vap_prog_stream_cntl_ext, streams->count);
801 for (i = 0; i < streams->count; i++) {
802 DBG(r300, DBG_DRAW, " : prog_stream_cntl_ext%d: 0x%08x\n", i,
803 streams->vap_prog_stream_cntl_ext[i]);
804 }
805 END_CS;
806 }
807
808 void r300_emit_pvs_flush(struct r300_context* r300, unsigned size, void* state)
809 {
810 CS_LOCALS(r300);
811
812 BEGIN_CS(size);
813 OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
814 END_CS;
815 }
816
817 void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
818 {
819 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)state;
820 struct r300_vertex_program_code* code = &vs->code;
821 struct r300_screen* r300screen = r300->screen;
822 unsigned instruction_count = code->length / 4;
823 unsigned i;
824
825 unsigned vtx_mem_size = r300screen->caps.is_r500 ? 128 : 72;
826 unsigned input_count = MAX2(util_bitcount(code->InputsRead), 1);
827 unsigned output_count = MAX2(util_bitcount(code->OutputsWritten), 1);
828 unsigned temp_count = MAX2(code->num_temporaries, 1);
829
830 unsigned pvs_num_slots = MIN3(vtx_mem_size / input_count,
831 vtx_mem_size / output_count, 10);
832 unsigned pvs_num_controllers = MIN2(vtx_mem_size / temp_count, 6);
833
834 unsigned imm_first = vs->externals_count;
835 unsigned imm_end = vs->code.constants.Count;
836 unsigned imm_count = vs->immediates_count;
837
838 CS_LOCALS(r300);
839
840 BEGIN_CS(size);
841 /* Amount of time to wait for vertex fetches in PVS */
842 OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
843
844 OUT_CS_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
845 OUT_CS_32F(1.0);
846 OUT_CS_32F(1.0);
847 OUT_CS_32F(1.0);
848 OUT_CS_32F(1.0);
849
850 OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, R300_SGN_NORM_NO_ZERO);
851
852 /* R300_VAP_PVS_CODE_CNTL_0
853 * R300_VAP_PVS_CONST_CNTL
854 * R300_VAP_PVS_CODE_CNTL_1
855 * See the r5xx docs for instructions on how to use these. */
856 OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
857 OUT_CS(R300_PVS_FIRST_INST(0) |
858 R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
859 R300_PVS_LAST_INST(instruction_count - 1));
860 OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
861 OUT_CS(instruction_count - 1);
862
863 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
864 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
865 OUT_CS_TABLE(code->body.d, code->length);
866
867 OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(pvs_num_slots) |
868 R300_PVS_NUM_CNTLRS(pvs_num_controllers) |
869 R300_PVS_NUM_FPUS(r300screen->caps.num_vert_fpus) |
870 R300_PVS_VF_MAX_VTX_NUM(12) |
871 (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0));
872
873 /* Emit immediates. */
874 if (imm_count) {
875 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
876 (r300->screen->caps.is_r500 ?
877 R500_PVS_CONST_START : R300_PVS_CONST_START) +
878 imm_first);
879 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, imm_count * 4);
880 for (i = imm_first; i < imm_end; i++) {
881 const float *data = vs->code.constants.Constants[i].u.Immediate;
882 OUT_CS_TABLE(data, 4);
883 }
884 }
885 END_CS;
886 }
887
888 void r300_emit_vs_constants(struct r300_context* r300,
889 unsigned size, void *state)
890 {
891 unsigned count =
892 ((struct r300_vertex_shader*)r300->vs_state.state)->externals_count;
893 struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
894 CS_LOCALS(r300);
895
896 if (!count)
897 return;
898
899 BEGIN_CS(size);
900 OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
901 (r300->screen->caps.is_r500 ?
902 R500_PVS_CONST_START : R300_PVS_CONST_START));
903 OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, count * 4);
904 OUT_CS_TABLE(buf->constants, count * 4);
905 END_CS;
906 }
907
908 void r300_emit_viewport_state(struct r300_context* r300,
909 unsigned size, void* state)
910 {
911 struct r300_viewport_state* viewport = (struct r300_viewport_state*)state;
912 CS_LOCALS(r300);
913
914 BEGIN_CS(size);
915 OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
916 OUT_CS_TABLE(&viewport->xscale, 6);
917 OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
918 END_CS;
919 }
920
921 void r300_emit_ztop_state(struct r300_context* r300,
922 unsigned size, void* state)
923 {
924 struct r300_ztop_state* ztop = (struct r300_ztop_state*)state;
925 CS_LOCALS(r300);
926
927 BEGIN_CS(size);
928 OUT_CS_REG(R300_ZB_ZTOP, ztop->z_buffer_top);
929 END_CS;
930 }
931
932 void r300_emit_texture_cache_inval(struct r300_context* r300, unsigned size, void* state)
933 {
934 CS_LOCALS(r300);
935
936 BEGIN_CS(size);
937 OUT_CS_REG(R300_TX_INVALTAGS, 0);
938 END_CS;
939 }
940
941 void r300_emit_buffer_validate(struct r300_context *r300,
942 boolean do_validate_vertex_buffers,
943 struct pipe_resource *index_buffer)
944 {
945 struct pipe_framebuffer_state* fb =
946 (struct pipe_framebuffer_state*)r300->fb_state.state;
947 struct r300_textures_state *texstate =
948 (struct r300_textures_state*)r300->textures_state.state;
949 struct r300_texture* tex;
950 struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
951 struct pipe_vertex_element *velem = r300->velems->velem;
952 struct pipe_resource *pbuf;
953 unsigned i;
954 boolean invalid = FALSE;
955
956 /* upload buffers first */
957 if (r300->screen->caps.has_tcl && r300->any_user_vbs) {
958 r300_upload_user_buffers(r300);
959 r300->any_user_vbs = false;
960 }
961
962 /* Clean out BOs. */
963 r300->rws->reset_bos(r300->rws);
964
965 validate:
966 /* Color buffers... */
967 for (i = 0; i < fb->nr_cbufs; i++) {
968 tex = r300_texture(fb->cbufs[i]->texture);
969 assert(tex && tex->buffer && "cbuf is marked, but NULL!");
970 if (!r300_add_texture(r300->rws, tex, 0, tex->domain)) {
971 r300->context.flush(&r300->context, 0, NULL);
972 goto validate;
973 }
974 }
975 /* ...depth buffer... */
976 if (fb->zsbuf) {
977 tex = r300_texture(fb->zsbuf->texture);
978 assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
979 if (!r300_add_texture(r300->rws, tex,
980 0, tex->domain)) {
981 r300->context.flush(&r300->context, 0, NULL);
982 goto validate;
983 }
984 }
985 /* ...textures... */
986 for (i = 0; i < texstate->count; i++) {
987 if (!(texstate->tx_enable & (1 << i))) {
988 continue;
989 }
990
991 tex = r300_texture(texstate->sampler_views[i]->base.texture);
992 if (!r300_add_texture(r300->rws, tex, tex->domain, 0)) {
993 r300->context.flush(&r300->context, 0, NULL);
994 goto validate;
995 }
996 }
997 /* ...occlusion query buffer... */
998 if (r300->query_current) {
999 if (!r300->rws->add_buffer(r300->rws, r300->query_current->buffer,
1000 0, r300->query_current->domain)) {
1001 r300->context.flush(&r300->context, 0, NULL);
1002 goto validate;
1003 }
1004 }
1005 /* ...vertex buffer for SWTCL path... */
1006 if (r300->vbo) {
1007 if (!r300_add_buffer(r300->rws, r300->vbo,
1008 r300_buffer(r300->vbo)->domain, 0)) {
1009 r300->context.flush(&r300->context, 0, NULL);
1010 goto validate;
1011 }
1012 }
1013 /* ...vertex buffers for HWTCL path... */
1014 if (do_validate_vertex_buffers) {
1015 for (i = 0; i < r300->velems->count; i++) {
1016 pbuf = vbuf[velem[i].vertex_buffer_index].buffer;
1017
1018 if (!r300_add_buffer(r300->rws, pbuf,
1019 r300_buffer(pbuf)->domain, 0)) {
1020 r300->context.flush(&r300->context, 0, NULL);
1021 goto validate;
1022 }
1023 }
1024 }
1025 /* ...and index buffer for HWTCL path. */
1026 if (index_buffer) {
1027 if (!r300_add_buffer(r300->rws, index_buffer,
1028 r300_buffer(index_buffer)->domain, 0)) {
1029 r300->context.flush(&r300->context, 0, NULL);
1030 goto validate;
1031 }
1032 }
1033 if (!r300->rws->validate(r300->rws)) {
1034 r300->context.flush(&r300->context, 0, NULL);
1035 if (invalid) {
1036 /* Well, hell. */
1037 fprintf(stderr, "r300: Stuck in validation loop, gonna quit now.\n");
1038 abort();
1039 }
1040 invalid = TRUE;
1041 goto validate;
1042 }
1043 }
1044
1045 unsigned r300_get_num_dirty_dwords(struct r300_context *r300)
1046 {
1047 struct r300_atom* atom;
1048 unsigned dwords = 0;
1049
1050 foreach(atom, &r300->atom_list) {
1051 if (atom->dirty) {
1052 dwords += atom->size;
1053 }
1054 }
1055
1056 /* let's reserve some more, just in case */
1057 dwords += 32;
1058
1059 return dwords;
1060 }
1061
1062 /* Emit all dirty state. */
1063 void r300_emit_dirty_state(struct r300_context* r300)
1064 {
1065 struct r300_atom* atom;
1066
1067 foreach(atom, &r300->atom_list) {
1068 if (atom->dirty) {
1069 atom->emit(r300, atom->size, atom->state);
1070 if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
1071 atom->counter++;
1072 }
1073 atom->dirty = FALSE;
1074 }
1075 }
1076
1077 r300->dirty_hw++;
1078 }