nv50_state_validate.c revision c926ed0e76bdbf842170f9396856e9cedb6e718f
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
28static struct nouveau_stateobj *
29validate_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	/* we set scissors to framebuffer size when they're 'turned off' */
171	nv50->dirty |= NV50_NEW_SCISSOR;
172	so_ref(NULL, &nv50->state.hw[12]);
173	return so;
174}
175
176static void
177nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
178		       unsigned p)
179{
180	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
181	unsigned i, j, dw = nv50->sampler_nr[p] * 8;
182
183	if (!dw)
184		return;
185	nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
186			  p * (32 * 8 * 4), dw * 4);
187
188	so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);
189
190	for (i = 0; i < nv50->sampler_nr[p]; ++i) {
191		if (nv50->sampler[p][i])
192			so_datap(so, nv50->sampler[p][i]->tsc, 8);
193		else {
194			for (j = 0; j < 8; ++j) /* you get punished */
195				so_data(so, 0); /* ... for leaving holes */
196		}
197	}
198}
199
200static struct nouveau_stateobj *
201validate_blend(struct nv50_context *nv50)
202{
203	struct nouveau_stateobj *so = NULL;
204	so_ref(nv50->blend->so, &so);
205	return so;
206}
207
208static struct nouveau_stateobj *
209validate_zsa(struct nv50_context *nv50)
210{
211	struct nouveau_stateobj *so = NULL;
212	so_ref(nv50->zsa->so, &so);
213	return so;
214}
215
216static struct nouveau_stateobj *
217validate_rast(struct nv50_context *nv50)
218{
219	struct nouveau_stateobj *so = NULL;
220	so_ref(nv50->rasterizer->so, &so);
221	return so;
222}
223
224static struct nouveau_stateobj *
225validate_blend_colour(struct nv50_context *nv50)
226{
227	struct nouveau_grobj *tesla = nv50->screen->tesla;
228	struct nouveau_stateobj *so = so_new(1, 4, 0);
229
230	so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
231	so_data  (so, fui(nv50->blend_colour.color[0]));
232	so_data  (so, fui(nv50->blend_colour.color[1]));
233	so_data  (so, fui(nv50->blend_colour.color[2]));
234	so_data  (so, fui(nv50->blend_colour.color[3]));
235	return so;
236}
237
238static struct nouveau_stateobj *
239validate_stencil_ref(struct nv50_context *nv50)
240{
241	struct nouveau_grobj *tesla = nv50->screen->tesla;
242	struct nouveau_stateobj *so = so = so_new(2, 2, 0);
243
244	so_method(so, tesla, NV50TCL_STENCIL_FRONT_FUNC_REF, 1);
245	so_data  (so, nv50->stencil_ref.ref_value[0]);
246	so_method(so, tesla, NV50TCL_STENCIL_BACK_FUNC_REF, 1);
247	so_data  (so, nv50->stencil_ref.ref_value[1]);
248	return so;
249}
250
251static struct nouveau_stateobj *
252validate_stipple(struct nv50_context *nv50)
253{
254	struct nouveau_grobj *tesla = nv50->screen->tesla;
255	struct nouveau_stateobj *so = so_new(1, 32, 0);
256	int i;
257
258	so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
259	for (i = 0; i < 32; i++)
260		so_data(so, util_bswap32(nv50->stipple.stipple[i]));
261	return so;
262}
263
264static struct nouveau_stateobj *
265validate_scissor(struct nv50_context *nv50)
266{
267	struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
268	struct pipe_scissor_state *s = &nv50->scissor;
269	struct nouveau_grobj *tesla = nv50->screen->tesla;
270	struct nouveau_stateobj *so;
271
272	if (nv50->state.hw[12] &&
273	    (rast->scissor == 0 && nv50->state.scissor_enabled == 0))
274		return NULL;
275	nv50->state.scissor_enabled = rast->scissor;
276
277	so = so_new(1, 2, 0);
278	so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
279	if (nv50->state.scissor_enabled) {
280		so_data(so, (s->maxx << 16) | s->minx);
281		so_data(so, (s->maxy << 16) | s->miny);
282	} else {
283		so_data(so, (nv50->framebuffer.width << 16));
284		so_data(so, (nv50->framebuffer.height << 16));
285	}
286
287	return so;
288}
289
290static struct nouveau_stateobj *
291validate_viewport(struct nv50_context *nv50)
292{
293	struct nouveau_grobj *tesla = nv50->screen->tesla;
294	struct nouveau_stateobj *so = so_new(5, 9, 0);
295
296	so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
297	so_data  (so, fui(nv50->viewport.translate[0]));
298	so_data  (so, fui(nv50->viewport.translate[1]));
299	so_data  (so, fui(nv50->viewport.translate[2]));
300	so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
301	so_data  (so, fui(nv50->viewport.scale[0]));
302	so_data  (so, fui(nv50->viewport.scale[1]));
303	so_data  (so, fui(nv50->viewport.scale[2]));
304
305	so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
306	so_data  (so, 1);
307	/* 0x0000 = remove whole primitive only (xyz)
308	 * 0x1018 = remove whole primitive only (xy), clamp z
309	 * 0x1080 = clip primitive (xyz)
310	 * 0x1098 = clip primitive (xy), clamp z
311	 */
312	so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
313	so_data  (so, 0x1080);
314	/* no idea what 0f90 does */
315	so_method(so, tesla, 0x0f90, 1);
316	so_data  (so, 0);
317
318	return so;
319}
320
321static struct nouveau_stateobj *
322validate_sampler(struct nv50_context *nv50)
323{
324	struct nouveau_grobj *tesla = nv50->screen->tesla;
325	struct nouveau_stateobj *so;
326	unsigned nr = 0, i;
327
328	for (i = 0; i < PIPE_SHADER_TYPES; ++i)
329		nr += nv50->sampler_nr[i];
330
331	so = so_new(1 + 5 * PIPE_SHADER_TYPES,
332		    1 + 19 * PIPE_SHADER_TYPES + nr * 8,
333		    PIPE_SHADER_TYPES * 2);
334
335	nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
336	nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);
337
338	so_method(so, tesla, 0x1334, 1); /* flush TSC */
339	so_data  (so, 0);
340
341	return so;
342}
343
344static struct nouveau_stateobj *
345validate_vtxbuf(struct nv50_context *nv50)
346{
347	struct nouveau_stateobj *so = NULL;
348	so_ref(nv50->state.vtxbuf, &so);
349	return so;
350}
351
352static struct nouveau_stateobj *
353validate_vtxattr(struct nv50_context *nv50)
354{
355	struct nouveau_stateobj *so = NULL;
356	so_ref(nv50->state.vtxattr, &so);
357	return so;
358}
359
360struct state_validate {
361	struct nouveau_stateobj *(*func)(struct nv50_context *nv50);
362	unsigned states;
363} validate_list[] = {
364	{ validate_fb             , NV50_NEW_FRAMEBUFFER                      },
365	{ validate_blend          , NV50_NEW_BLEND                            },
366	{ validate_zsa            , NV50_NEW_ZSA                              },
367	{ nv50_vertprog_validate  , NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB  },
368	{ nv50_fragprog_validate  , NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB  },
369	{ nv50_geomprog_validate  , NV50_NEW_GEOMPROG | NV50_NEW_GEOMPROG_CB  },
370	{ nv50_fp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG |
371				    NV50_NEW_FRAGPROG | NV50_NEW_RASTERIZER   },
372	{ nv50_gp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG     },
373	{ validate_rast           , NV50_NEW_RASTERIZER                       },
374	{ validate_blend_colour   , NV50_NEW_BLEND_COLOUR                     },
375	{ validate_stencil_ref    , NV50_NEW_STENCIL_REF                      },
376	{ validate_stipple        , NV50_NEW_STIPPLE                          },
377	{ validate_scissor        , NV50_NEW_SCISSOR | NV50_NEW_RASTERIZER    },
378	{ validate_viewport       , NV50_NEW_VIEWPORT                         },
379	{ validate_sampler        , NV50_NEW_SAMPLER                          },
380	{ nv50_tex_validate       , NV50_NEW_TEXTURE | NV50_NEW_SAMPLER       },
381	{ nv50_vbo_validate       , NV50_NEW_ARRAYS                           },
382	{ validate_vtxbuf         , NV50_NEW_ARRAYS                           },
383	{ validate_vtxattr        , NV50_NEW_ARRAYS                           },
384	{}
385};
386#define validate_list_len (sizeof(validate_list) / sizeof(validate_list[0]))
387
388void
389nv50_state_flush_notify(struct nouveau_channel *chan)
390{
391	struct nv50_context *nv50 = chan->user_private;
392
393	nv50_tex_relocs(nv50);
394
395	so_emit_reloc_markers(chan, nv50->state.hw[0]); /* fb */
396	so_emit_reloc_markers(chan, nv50->state.hw[3]); /* vp */
397	so_emit_reloc_markers(chan, nv50->state.hw[4]); /* fp */
398	so_emit_reloc_markers(chan, nv50->state.hw[17]); /* vb */
399	so_emit_reloc_markers(chan, nv50->screen->static_init);
400
401#if 0
402	if (nv50->state.instbuf)
403		so_emit_reloc_markers(chan, nv50->state.instbuf);
404#endif
405}
406
407boolean
408nv50_state_validate(struct nv50_context *nv50, unsigned wait_dwords)
409{
410	struct nouveau_channel *chan = nv50->screen->base.channel;
411	unsigned nr_relocs = 128, nr_dwords = wait_dwords + 128;
412	int ret, i;
413
414	for (i = 0; i < validate_list_len; i++) {
415		struct state_validate *validate = &validate_list[i];
416		struct nouveau_stateobj *so;
417
418		if (!(nv50->dirty & validate->states))
419			continue;
420
421		so = validate->func(nv50);
422		if (!so)
423			continue;
424
425		nr_dwords += (so->total + so->cur);
426		nr_relocs += so->cur_reloc;
427
428		so_ref(so, &nv50->state.hw[i]);
429		so_ref(NULL, &so);
430		nv50->state.hw_dirty |= (1 << i);
431	}
432	nv50->dirty = 0;
433
434	if (nv50->screen->cur_ctx != nv50) {
435		for (i = 0; i < validate_list_len; i++) {
436			if (!nv50->state.hw[i] ||
437			    (nv50->state.hw_dirty & (1 << i)))
438				continue;
439
440			nr_dwords += (nv50->state.hw[i]->total +
441				      nv50->state.hw[i]->cur);
442			nr_relocs += nv50->state.hw[i]->cur_reloc;
443			nv50->state.hw_dirty |= (1 << i);
444		}
445
446		nv50->screen->cur_ctx = nv50;
447	}
448
449	ret = MARK_RING(chan, nr_dwords, nr_relocs);
450	if (ret) {
451		debug_printf("MARK_RING(%d, %d) failed: %d\n",
452			     nr_dwords, nr_relocs, ret);
453		return FALSE;
454	}
455
456	while (nv50->state.hw_dirty) {
457		i = ffs(nv50->state.hw_dirty) - 1;
458		nv50->state.hw_dirty &= ~(1 << i);
459
460		so_emit(chan, nv50->state.hw[i]);
461	}
462
463	/* Yes, really, we need to do this.  If a buffer that is referenced
464	 * on the hardware isn't part of changed state above, without doing
465	 * this the kernel is given no clue that the buffer is being used
466	 * still.  This can cause all sorts of fun issues.
467	 */
468	nv50_state_flush_notify(chan);
469	return TRUE;
470}
471
472void nv50_so_init_sifc(struct nv50_context *nv50,
473		       struct nouveau_stateobj *so,
474		       struct nouveau_bo *bo, unsigned reloc,
475		       unsigned offset, unsigned size)
476{
477	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
478
479	reloc |= NOUVEAU_BO_WR;
480
481	so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
482	so_data  (so, NV50_2D_DST_FORMAT_R8_UNORM);
483	so_data  (so, 1);
484	so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
485	so_data  (so, 262144);
486	so_data  (so, 65536);
487	so_data  (so, 1);
488	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
489	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
490	so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
491	so_data  (so, 0);
492	so_data  (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
493	so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
494	so_data  (so, size);
495	so_data  (so, 1);
496	so_data  (so, 0);
497	so_data  (so, 1);
498	so_data  (so, 0);
499	so_data  (so, 1);
500	so_data  (so, 0);
501	so_data  (so, 0);
502	so_data  (so, 0);
503	so_data  (so, 0);
504}
505