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[mesa.git] / src / gallium / drivers / nv50 / nv50_state_validate.c
1 /*
2 * Copyright 2008 Ben Skeggs
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #include "util/u_format.h"
24
25 #include "nv50_context.h"
26 #include "nouveau/nouveau_stateobj.h"
27
28 static struct nouveau_stateobj *
29 validate_fb(struct nv50_context *nv50)
30 {
31 struct nouveau_grobj *tesla = nv50->screen->tesla;
32 struct nouveau_stateobj *so = so_new(32, 79, 18);
33 struct pipe_framebuffer_state *fb = &nv50->framebuffer;
34 unsigned i, w, h, gw = 0;
35
36 /* Set nr of active RTs and select RT for each colour output.
37 * FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
38 * Ambiguous assignment results in no rendering (no DATA_ERROR).
39 */
40 so_method(so, tesla, NV50TCL_RT_CONTROL, 1);
41 so_data (so, fb->nr_cbufs |
42 (0 << 4) | (1 << 7) | (2 << 10) | (3 << 13) |
43 (4 << 16) | (5 << 19) | (6 << 22) | (7 << 25));
44
45 for (i = 0; i < fb->nr_cbufs; i++) {
46 struct pipe_texture *pt = fb->cbufs[i]->texture;
47 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
48
49 if (!gw) {
50 w = fb->cbufs[i]->width;
51 h = fb->cbufs[i]->height;
52 gw = 1;
53 } else {
54 assert(w == fb->cbufs[i]->width);
55 assert(h == fb->cbufs[i]->height);
56 }
57
58 so_method(so, tesla, NV50TCL_RT_HORIZ(i), 2);
59 so_data (so, fb->cbufs[i]->width);
60 so_data (so, fb->cbufs[i]->height);
61
62 so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
63 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
64 NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
65 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
66 NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
67 switch (fb->cbufs[i]->format) {
68 case PIPE_FORMAT_B8G8R8A8_UNORM:
69 so_data(so, NV50TCL_RT_FORMAT_A8R8G8B8_UNORM);
70 break;
71 case PIPE_FORMAT_B8G8R8X8_UNORM:
72 so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
73 break;
74 case PIPE_FORMAT_B5G6R5_UNORM:
75 so_data(so, NV50TCL_RT_FORMAT_R5G6B5_UNORM);
76 break;
77 case PIPE_FORMAT_R16G16B16A16_SNORM:
78 so_data(so, NV50TCL_RT_FORMAT_R16G16B16A16_SNORM);
79 break;
80 case PIPE_FORMAT_R16G16B16A16_UNORM:
81 so_data(so, NV50TCL_RT_FORMAT_R16G16B16A16_UNORM);
82 break;
83 case PIPE_FORMAT_R32G32B32A32_FLOAT:
84 so_data(so, NV50TCL_RT_FORMAT_R32G32B32A32_FLOAT);
85 break;
86 case PIPE_FORMAT_R16G16_SNORM:
87 so_data(so, NV50TCL_RT_FORMAT_R16G16_SNORM);
88 break;
89 case PIPE_FORMAT_R16G16_UNORM:
90 so_data(so, NV50TCL_RT_FORMAT_R16G16_UNORM);
91 break;
92 default:
93 NOUVEAU_ERR("AIIII unknown format %s\n",
94 util_format_name(fb->cbufs[i]->format));
95 so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
96 break;
97 }
98 so_data(so, nv50_miptree(pt)->
99 level[fb->cbufs[i]->level].tile_mode << 4);
100 so_data(so, 0x00000000);
101
102 so_method(so, tesla, NV50TCL_RT_ARRAY_MODE, 1);
103 so_data (so, 1);
104 }
105
106 if (fb->zsbuf) {
107 struct pipe_texture *pt = fb->zsbuf->texture;
108 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
109
110 if (!gw) {
111 w = fb->zsbuf->width;
112 h = fb->zsbuf->height;
113 gw = 1;
114 } else {
115 assert(w == fb->zsbuf->width);
116 assert(h == fb->zsbuf->height);
117 }
118
119 so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
120 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
121 NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
122 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
123 NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
124 switch (fb->zsbuf->format) {
125 case PIPE_FORMAT_Z24S8_UNORM:
126 so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
127 break;
128 case PIPE_FORMAT_Z24X8_UNORM:
129 so_data(so, NV50TCL_ZETA_FORMAT_X8Z24_UNORM);
130 break;
131 case PIPE_FORMAT_S8Z24_UNORM:
132 so_data(so, NV50TCL_ZETA_FORMAT_Z24S8_UNORM);
133 break;
134 case PIPE_FORMAT_Z32_FLOAT:
135 so_data(so, NV50TCL_ZETA_FORMAT_Z32_FLOAT);
136 break;
137 default:
138 NOUVEAU_ERR("AIIII unknown format %s\n",
139 util_format_name(fb->zsbuf->format));
140 so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
141 break;
142 }
143 so_data(so, nv50_miptree(pt)->
144 level[fb->zsbuf->level].tile_mode << 4);
145 so_data(so, 0x00000000);
146
147 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
148 so_data (so, 1);
149 so_method(so, tesla, NV50TCL_ZETA_HORIZ, 3);
150 so_data (so, fb->zsbuf->width);
151 so_data (so, fb->zsbuf->height);
152 so_data (so, 0x00010001);
153 } else {
154 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
155 so_data (so, 0);
156 }
157
158 so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ(0), 2);
159 so_data (so, w << 16);
160 so_data (so, h << 16);
161 /* set window lower left corner */
162 so_method(so, tesla, NV50TCL_WINDOW_OFFSET_X, 2);
163 so_data (so, 0);
164 so_data (so, 0);
165 /* set screen scissor rectangle */
166 so_method(so, tesla, NV50TCL_SCREEN_SCISSOR_HORIZ, 2);
167 so_data (so, w << 16);
168 so_data (so, h << 16);
169
170 return so;
171 }
172
173 static void
174 nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
175 unsigned p)
176 {
177 struct nouveau_grobj *eng2d = nv50->screen->eng2d;
178 unsigned i, j, dw = nv50->sampler_nr[p] * 8;
179
180 if (!dw)
181 return;
182 nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
183 p * (32 * 8 * 4), dw * 4);
184
185 so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);
186
187 for (i = 0; i < nv50->sampler_nr[p]; ++i) {
188 if (nv50->sampler[p][i])
189 so_datap(so, nv50->sampler[p][i]->tsc, 8);
190 else {
191 for (j = 0; j < 8; ++j) /* you get punished */
192 so_data(so, 0); /* ... for leaving holes */
193 }
194 }
195 }
196
197 static struct nouveau_stateobj *
198 validate_blend(struct nv50_context *nv50)
199 {
200 struct nouveau_stateobj *so = NULL;
201 so_ref(nv50->blend->so, &so);
202 return so;
203 }
204
205 static struct nouveau_stateobj *
206 validate_zsa(struct nv50_context *nv50)
207 {
208 struct nouveau_stateobj *so = NULL;
209 so_ref(nv50->zsa->so, &so);
210 return so;
211 }
212
213 static struct nouveau_stateobj *
214 validate_rast(struct nv50_context *nv50)
215 {
216 struct nouveau_stateobj *so = NULL;
217 so_ref(nv50->rasterizer->so, &so);
218 return so;
219 }
220
221 static struct nouveau_stateobj *
222 validate_blend_colour(struct nv50_context *nv50)
223 {
224 struct nouveau_grobj *tesla = nv50->screen->tesla;
225 struct nouveau_stateobj *so = so_new(1, 4, 0);
226
227 so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
228 so_data (so, fui(nv50->blend_colour.color[0]));
229 so_data (so, fui(nv50->blend_colour.color[1]));
230 so_data (so, fui(nv50->blend_colour.color[2]));
231 so_data (so, fui(nv50->blend_colour.color[3]));
232 return so;
233 }
234
235 static struct nouveau_stateobj *
236 validate_stencil_ref(struct nv50_context *nv50)
237 {
238 struct nouveau_grobj *tesla = nv50->screen->tesla;
239 struct nouveau_stateobj *so = so = so_new(2, 2, 0);
240
241 so_method(so, tesla, NV50TCL_STENCIL_FRONT_FUNC_REF, 1);
242 so_data (so, nv50->stencil_ref.ref_value[0]);
243 so_method(so, tesla, NV50TCL_STENCIL_BACK_FUNC_REF, 1);
244 so_data (so, nv50->stencil_ref.ref_value[1]);
245 return so;
246 }
247
248 static struct nouveau_stateobj *
249 validate_stipple(struct nv50_context *nv50)
250 {
251 struct nouveau_grobj *tesla = nv50->screen->tesla;
252 struct nouveau_stateobj *so = so_new(1, 32, 0);
253 int i;
254
255 so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
256 for (i = 0; i < 32; i++)
257 so_data(so, util_bswap32(nv50->stipple.stipple[i]));
258 return so;
259 }
260
261 static struct nouveau_stateobj *
262 validate_scissor(struct nv50_context *nv50)
263 {
264 struct nouveau_grobj *tesla = nv50->screen->tesla;
265 struct pipe_scissor_state *s = &nv50->scissor;
266 struct nouveau_stateobj *so;
267
268 so = so_new(1, 2, 0);
269 so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
270 so_data (so, (s->maxx << 16) | s->minx);
271 so_data (so, (s->maxy << 16) | s->miny);
272 return so;
273 }
274
275 static struct nouveau_stateobj *
276 validate_viewport(struct nv50_context *nv50)
277 {
278 struct nouveau_grobj *tesla = nv50->screen->tesla;
279 struct nouveau_stateobj *so = so_new(5, 9, 0);
280
281 so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
282 so_data (so, fui(nv50->viewport.translate[0]));
283 so_data (so, fui(nv50->viewport.translate[1]));
284 so_data (so, fui(nv50->viewport.translate[2]));
285 so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
286 so_data (so, fui(nv50->viewport.scale[0]));
287 so_data (so, fui(nv50->viewport.scale[1]));
288 so_data (so, fui(nv50->viewport.scale[2]));
289
290 so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
291 so_data (so, 1);
292 /* 0x0000 = remove whole primitive only (xyz)
293 * 0x1018 = remove whole primitive only (xy), clamp z
294 * 0x1080 = clip primitive (xyz)
295 * 0x1098 = clip primitive (xy), clamp z
296 */
297 so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
298 so_data (so, 0x1080);
299 /* no idea what 0f90 does */
300 so_method(so, tesla, 0x0f90, 1);
301 so_data (so, 0);
302
303 return so;
304 }
305
306 static struct nouveau_stateobj *
307 validate_sampler(struct nv50_context *nv50)
308 {
309 struct nouveau_grobj *tesla = nv50->screen->tesla;
310 struct nouveau_stateobj *so;
311 unsigned nr = 0, i;
312
313 for (i = 0; i < PIPE_SHADER_TYPES; ++i)
314 nr += nv50->sampler_nr[i];
315
316 so = so_new(1 + 5 * PIPE_SHADER_TYPES,
317 1 + 19 * PIPE_SHADER_TYPES + nr * 8,
318 PIPE_SHADER_TYPES * 2);
319
320 nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
321 nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);
322
323 so_method(so, tesla, 0x1334, 1); /* flush TSC */
324 so_data (so, 0);
325
326 return so;
327 }
328
329 static struct nouveau_stateobj *
330 validate_vtxbuf(struct nv50_context *nv50)
331 {
332 struct nouveau_stateobj *so = NULL;
333 so_ref(nv50->state.vtxbuf, &so);
334 return so;
335 }
336
337 static struct nouveau_stateobj *
338 validate_vtxattr(struct nv50_context *nv50)
339 {
340 struct nouveau_stateobj *so = NULL;
341 so_ref(nv50->state.vtxattr, &so);
342 return so;
343 }
344
345 struct state_validate {
346 struct nouveau_stateobj *(*func)(struct nv50_context *nv50);
347 unsigned states;
348 } validate_list[] = {
349 { validate_fb , NV50_NEW_FRAMEBUFFER },
350 { validate_blend , NV50_NEW_BLEND },
351 { validate_zsa , NV50_NEW_ZSA },
352 { nv50_vertprog_validate , NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB },
353 { nv50_fragprog_validate , NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB },
354 { nv50_geomprog_validate , NV50_NEW_GEOMPROG | NV50_NEW_GEOMPROG_CB },
355 { nv50_fp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG |
356 NV50_NEW_FRAGPROG | NV50_NEW_RASTERIZER },
357 { nv50_gp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG },
358 { validate_rast , NV50_NEW_RASTERIZER },
359 { validate_blend_colour , NV50_NEW_BLEND_COLOUR },
360 { validate_stencil_ref , NV50_NEW_STENCIL_REF },
361 { validate_stipple , NV50_NEW_STIPPLE },
362 { validate_scissor , NV50_NEW_SCISSOR },
363 { validate_viewport , NV50_NEW_VIEWPORT },
364 { validate_sampler , NV50_NEW_SAMPLER },
365 { nv50_tex_validate , NV50_NEW_TEXTURE | NV50_NEW_SAMPLER },
366 { nv50_vbo_validate , NV50_NEW_ARRAYS },
367 { validate_vtxbuf , NV50_NEW_ARRAYS },
368 { validate_vtxattr , NV50_NEW_ARRAYS },
369 {}
370 };
371 #define validate_list_len (sizeof(validate_list) / sizeof(validate_list[0]))
372
373 boolean
374 nv50_state_validate(struct nv50_context *nv50, unsigned wait_dwords)
375 {
376 struct nouveau_channel *chan = nv50->screen->base.channel;
377 struct nouveau_grobj *tesla = nv50->screen->tesla;
378 unsigned nr_relocs = 128, nr_dwords = wait_dwords + 128 + 4;
379 int ret, i;
380
381 for (i = 0; i < validate_list_len; i++) {
382 struct state_validate *validate = &validate_list[i];
383 struct nouveau_stateobj *so;
384
385 if (!(nv50->dirty & validate->states))
386 continue;
387
388 so = validate->func(nv50);
389 if (!so)
390 continue;
391
392 nr_dwords += (so->total + so->cur);
393 nr_relocs += so->cur_reloc;
394
395 so_ref(so, &nv50->state.hw[i]);
396 so_ref(NULL, &so);
397 nv50->state.hw_dirty |= (1 << i);
398 }
399 nv50->dirty = 0;
400
401 if (nv50->screen->cur_ctx != nv50) {
402 for (i = 0; i < validate_list_len; i++) {
403 if (!nv50->state.hw[i] ||
404 (nv50->state.hw_dirty & (1 << i)))
405 continue;
406
407 nr_dwords += (nv50->state.hw[i]->total +
408 nv50->state.hw[i]->cur);
409 nr_relocs += nv50->state.hw[i]->cur_reloc;
410 nv50->state.hw_dirty |= (1 << i);
411 }
412
413 nv50->screen->cur_ctx = nv50;
414 }
415
416 ret = MARK_RING(chan, nr_dwords, nr_relocs);
417 if (ret) {
418 debug_printf("MARK_RING(%d, %d) failed: %d\n",
419 nr_dwords, nr_relocs, ret);
420 return FALSE;
421 }
422
423 while (nv50->state.hw_dirty) {
424 i = ffs(nv50->state.hw_dirty) - 1;
425 nv50->state.hw_dirty &= ~(1 << i);
426
427 so_emit(chan, nv50->state.hw[i]);
428 }
429
430 /* Yes, really, we need to do this. If a buffer that is referenced
431 * on the hardware isn't part of changed state above, without doing
432 * this the kernel is given no clue that the buffer is being used
433 * still. This can cause all sorts of fun issues.
434 */
435 nv50_tex_relocs(nv50);
436 so_emit_reloc_markers(chan, nv50->state.hw[0]); /* fb */
437 so_emit_reloc_markers(chan, nv50->state.hw[3]); /* vp */
438 so_emit_reloc_markers(chan, nv50->state.hw[4]); /* fp */
439 so_emit_reloc_markers(chan, nv50->state.hw[17]); /* vb */
440 so_emit_reloc_markers(chan, nv50->screen->static_init);
441
442 /* No idea.. */
443 BEGIN_RING(chan, tesla, 0x142c, 1);
444 OUT_RING (chan, 0);
445 BEGIN_RING(chan, tesla, 0x142c, 1);
446 OUT_RING (chan, 0);
447 return TRUE;
448 }
449
450 void nv50_so_init_sifc(struct nv50_context *nv50,
451 struct nouveau_stateobj *so,
452 struct nouveau_bo *bo, unsigned reloc,
453 unsigned offset, unsigned size)
454 {
455 struct nouveau_grobj *eng2d = nv50->screen->eng2d;
456
457 reloc |= NOUVEAU_BO_WR;
458
459 so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
460 so_data (so, NV50_2D_DST_FORMAT_R8_UNORM);
461 so_data (so, 1);
462 so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
463 so_data (so, 262144);
464 so_data (so, 65536);
465 so_data (so, 1);
466 so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
467 so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
468 so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
469 so_data (so, 0);
470 so_data (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
471 so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
472 so_data (so, size);
473 so_data (so, 1);
474 so_data (so, 0);
475 so_data (so, 1);
476 so_data (so, 0);
477 so_data (so, 1);
478 so_data (so, 0);
479 so_data (so, 0);
480 so_data (so, 0);
481 so_data (so, 0);
482 }