nv50_state_validate.c revision 20443f969d78efb8437083b39b9ddcf4c08aa6cf
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 void
29nv50_state_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	/* we set scissors to framebuffer size when they're 'turned off' */
171	nv50->dirty |= NV50_NEW_SCISSOR;
172	so_ref(NULL, &nv50->state.scissor);
173
174	so_ref(so, &nv50->state.fb);
175	so_ref(NULL, &so);
176}
177
178static void
179nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
180		       unsigned p)
181{
182	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
183	unsigned i, j, dw = nv50->sampler_nr[p] * 8;
184
185	if (!dw)
186		return;
187	nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
188			  p * (32 * 8 * 4), dw * 4);
189
190	so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);
191
192	for (i = 0; i < nv50->sampler_nr[p]; ++i) {
193		if (nv50->sampler[p][i])
194			so_datap(so, nv50->sampler[p][i]->tsc, 8);
195		else {
196			for (j = 0; j < 8; ++j) /* you get punished */
197				so_data(so, 0); /* ... for leaving holes */
198		}
199	}
200}
201
202static void
203nv50_state_emit(struct nv50_context *nv50)
204{
205	struct nv50_screen *screen = nv50->screen;
206	struct nouveau_channel *chan = screen->base.channel;
207
208	/* XXX: this is racy for multiple contexts active on separate
209	 * threads.
210	 */
211	if (screen->cur_ctx != nv50) {
212		if (nv50->state.fb)
213			nv50->state.dirty |= NV50_NEW_FRAMEBUFFER;
214		if (nv50->state.blend)
215			nv50->state.dirty |= NV50_NEW_BLEND;
216		if (nv50->state.zsa)
217			nv50->state.dirty |= NV50_NEW_ZSA;
218		if (nv50->state.vertprog)
219			nv50->state.dirty |= NV50_NEW_VERTPROG;
220		if (nv50->state.fragprog)
221			nv50->state.dirty |= NV50_NEW_FRAGPROG;
222		if (nv50->state.geomprog)
223			nv50->state.dirty |= NV50_NEW_GEOMPROG;
224		if (nv50->state.rast)
225			nv50->state.dirty |= NV50_NEW_RASTERIZER;
226		if (nv50->state.blend_colour)
227			nv50->state.dirty |= NV50_NEW_BLEND_COLOUR;
228		if (nv50->state.stencil_ref)
229			nv50->state.dirty |= NV50_NEW_STENCIL_REF;
230		if (nv50->state.stipple)
231			nv50->state.dirty |= NV50_NEW_STIPPLE;
232		if (nv50->state.scissor)
233			nv50->state.dirty |= NV50_NEW_SCISSOR;
234		if (nv50->state.viewport)
235			nv50->state.dirty |= NV50_NEW_VIEWPORT;
236		if (nv50->state.tsc_upload)
237			nv50->state.dirty |= NV50_NEW_SAMPLER;
238		if (nv50->state.tic_upload)
239			nv50->state.dirty |= NV50_NEW_TEXTURE;
240		if (nv50->state.vtxfmt && nv50->state.vtxbuf)
241			nv50->state.dirty |= NV50_NEW_ARRAYS;
242		screen->cur_ctx = nv50;
243	}
244
245	if (nv50->state.dirty & NV50_NEW_FRAMEBUFFER)
246		so_emit(chan, nv50->state.fb);
247	if (nv50->state.dirty & NV50_NEW_BLEND)
248		so_emit(chan, nv50->state.blend);
249	if (nv50->state.dirty & NV50_NEW_ZSA)
250		so_emit(chan, nv50->state.zsa);
251	if (nv50->state.dirty & NV50_NEW_VERTPROG)
252		so_emit(chan, nv50->state.vertprog);
253	if (nv50->state.dirty & NV50_NEW_FRAGPROG)
254		so_emit(chan, nv50->state.fragprog);
255	if (nv50->state.dirty & NV50_NEW_GEOMPROG && nv50->state.geomprog)
256		so_emit(chan, nv50->state.geomprog);
257	if (nv50->state.dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
258				 NV50_NEW_GEOMPROG | NV50_NEW_RASTERIZER))
259		so_emit(chan, nv50->state.fp_linkage);
260	if ((nv50->state.dirty & (NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG))
261	    && nv50->state.gp_linkage)
262		so_emit(chan, nv50->state.gp_linkage);
263	if (nv50->state.dirty & NV50_NEW_RASTERIZER)
264		so_emit(chan, nv50->state.rast);
265	if (nv50->state.dirty & NV50_NEW_BLEND_COLOUR)
266		so_emit(chan, nv50->state.blend_colour);
267	if (nv50->state.dirty & NV50_NEW_STENCIL_REF)
268		so_emit(chan, nv50->state.stencil_ref);
269	if (nv50->state.dirty & NV50_NEW_STIPPLE)
270		so_emit(chan, nv50->state.stipple);
271	if (nv50->state.dirty & NV50_NEW_SCISSOR)
272		so_emit(chan, nv50->state.scissor);
273	if (nv50->state.dirty & NV50_NEW_VIEWPORT)
274		so_emit(chan, nv50->state.viewport);
275	if (nv50->state.dirty & NV50_NEW_SAMPLER)
276		so_emit(chan, nv50->state.tsc_upload);
277	if (nv50->state.dirty & NV50_NEW_TEXTURE)
278		so_emit(chan, nv50->state.tic_upload);
279	if (nv50->state.dirty & NV50_NEW_ARRAYS) {
280		so_emit(chan, nv50->state.vtxfmt);
281		so_emit(chan, nv50->state.vtxbuf);
282		if (nv50->state.vtxattr)
283			so_emit(chan, nv50->state.vtxattr);
284	}
285	nv50->state.dirty = 0;
286}
287
288void
289nv50_state_flush_notify(struct nouveau_channel *chan)
290{
291	struct nv50_context *nv50 = chan->user_private;
292
293	if (nv50->state.tic_upload && !(nv50->dirty & NV50_NEW_TEXTURE))
294		so_emit(chan, nv50->state.tic_upload);
295
296	so_emit_reloc_markers(chan, nv50->state.fb);
297	so_emit_reloc_markers(chan, nv50->state.vertprog);
298	so_emit_reloc_markers(chan, nv50->state.fragprog);
299	so_emit_reloc_markers(chan, nv50->state.vtxbuf);
300	so_emit_reloc_markers(chan, nv50->screen->static_init);
301
302	if (nv50->state.instbuf)
303		so_emit_reloc_markers(chan, nv50->state.instbuf);
304}
305
306boolean
307nv50_state_validate(struct nv50_context *nv50)
308{
309	struct nouveau_grobj *tesla = nv50->screen->tesla;
310	struct nouveau_stateobj *so;
311	unsigned i;
312
313	if (nv50->dirty & NV50_NEW_FRAMEBUFFER)
314		nv50_state_validate_fb(nv50);
315
316	if (nv50->dirty & NV50_NEW_BLEND)
317		so_ref(nv50->blend->so, &nv50->state.blend);
318
319	if (nv50->dirty & NV50_NEW_ZSA)
320		so_ref(nv50->zsa->so, &nv50->state.zsa);
321
322	if (nv50->dirty & (NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB))
323		nv50_vertprog_validate(nv50);
324
325	if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB))
326		nv50_fragprog_validate(nv50);
327
328	if (nv50->dirty & (NV50_NEW_GEOMPROG | NV50_NEW_GEOMPROG_CB))
329		nv50_geomprog_validate(nv50);
330
331	if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
332			   NV50_NEW_GEOMPROG | NV50_NEW_RASTERIZER))
333		nv50_fp_linkage_validate(nv50);
334
335	if (nv50->dirty & (NV50_NEW_GEOMPROG | NV50_NEW_VERTPROG))
336		nv50_gp_linkage_validate(nv50);
337
338	if (nv50->dirty & NV50_NEW_RASTERIZER)
339		so_ref(nv50->rasterizer->so, &nv50->state.rast);
340
341	if (nv50->dirty & NV50_NEW_BLEND_COLOUR) {
342		so = so_new(1, 4, 0);
343		so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
344		so_data  (so, fui(nv50->blend_colour.color[0]));
345		so_data  (so, fui(nv50->blend_colour.color[1]));
346		so_data  (so, fui(nv50->blend_colour.color[2]));
347		so_data  (so, fui(nv50->blend_colour.color[3]));
348		so_ref(so, &nv50->state.blend_colour);
349		so_ref(NULL, &so);
350	}
351
352	if (nv50->dirty & NV50_NEW_STENCIL_REF) {
353		so = so_new(2, 2, 0);
354		so_method(so, tesla, NV50TCL_STENCIL_FRONT_FUNC_REF, 1);
355		so_data  (so, nv50->stencil_ref.ref_value[0]);
356		so_method(so, tesla, NV50TCL_STENCIL_BACK_FUNC_REF, 1);
357		so_data  (so, nv50->stencil_ref.ref_value[1]);
358		so_ref(so, &nv50->state.stencil_ref);
359		so_ref(NULL, &so);
360	}
361
362	if (nv50->dirty & NV50_NEW_STIPPLE) {
363		so = so_new(1, 32, 0);
364		so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
365		for (i = 0; i < 32; i++)
366			so_data(so, util_bswap32(nv50->stipple.stipple[i]));
367		so_ref(so, &nv50->state.stipple);
368		so_ref(NULL, &so);
369	}
370
371	if (nv50->dirty & (NV50_NEW_SCISSOR | NV50_NEW_RASTERIZER)) {
372		struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
373		struct pipe_scissor_state *s = &nv50->scissor;
374
375		if (nv50->state.scissor &&
376		    (rast->scissor == 0 && nv50->state.scissor_enabled == 0))
377			goto scissor_uptodate;
378		nv50->state.scissor_enabled = rast->scissor;
379
380		so = so_new(1, 2, 0);
381		so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
382		if (nv50->state.scissor_enabled) {
383			so_data(so, (s->maxx << 16) | s->minx);
384			so_data(so, (s->maxy << 16) | s->miny);
385		} else {
386			so_data(so, (nv50->framebuffer.width << 16));
387			so_data(so, (nv50->framebuffer.height << 16));
388		}
389		so_ref(so, &nv50->state.scissor);
390		so_ref(NULL, &so);
391		nv50->state.dirty |= NV50_NEW_SCISSOR;
392	}
393scissor_uptodate:
394
395	if (nv50->dirty & (NV50_NEW_VIEWPORT | NV50_NEW_RASTERIZER)) {
396		if (nv50->state.viewport &&
397		    !(nv50->dirty & NV50_NEW_VIEWPORT))
398			goto viewport_uptodate;
399
400		so = so_new(5, 9, 0);
401		so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
402		so_data  (so, fui(nv50->viewport.translate[0]));
403		so_data  (so, fui(nv50->viewport.translate[1]));
404		so_data  (so, fui(nv50->viewport.translate[2]));
405		so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
406		so_data  (so, fui(nv50->viewport.scale[0]));
407		so_data  (so, fui(nv50->viewport.scale[1]));
408		so_data  (so, fui(nv50->viewport.scale[2]));
409
410		so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
411		so_data  (so, 1);
412		/* 0x0000 = remove whole primitive only (xyz)
413		 * 0x1018 = remove whole primitive only (xy), clamp z
414		 * 0x1080 = clip primitive (xyz)
415		 * 0x1098 = clip primitive (xy), clamp z
416		 */
417		so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
418		so_data  (so, 0x1080);
419		/* no idea what 0f90 does */
420		so_method(so, tesla, 0x0f90, 1);
421		so_data  (so, 0);
422
423		so_ref(so, &nv50->state.viewport);
424		so_ref(NULL, &so);
425		nv50->state.dirty |= NV50_NEW_VIEWPORT;
426	}
427viewport_uptodate:
428
429	if (nv50->dirty & NV50_NEW_SAMPLER) {
430		unsigned nr = 0;
431
432		for (i = 0; i < PIPE_SHADER_TYPES; ++i)
433			nr += nv50->sampler_nr[i];
434
435		so = so_new(1 + 5 * PIPE_SHADER_TYPES,
436			    1 + 19 * PIPE_SHADER_TYPES + nr * 8,
437			    PIPE_SHADER_TYPES * 2);
438
439		nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
440		nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);
441
442		so_method(so, tesla, 0x1334, 1); /* flush TSC */
443		so_data  (so, 0);
444
445		so_ref(so, &nv50->state.tsc_upload);
446		so_ref(NULL, &so);
447	}
448
449	if (nv50->dirty & (NV50_NEW_TEXTURE | NV50_NEW_SAMPLER))
450		nv50_tex_validate(nv50);
451
452	if (nv50->dirty & NV50_NEW_ARRAYS)
453		nv50_vbo_validate(nv50);
454
455	nv50->state.dirty |= nv50->dirty;
456	nv50->dirty = 0;
457	nv50_state_emit(nv50);
458
459	return TRUE;
460}
461
462void nv50_so_init_sifc(struct nv50_context *nv50,
463		       struct nouveau_stateobj *so,
464		       struct nouveau_bo *bo, unsigned reloc,
465		       unsigned offset, unsigned size)
466{
467	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
468
469	reloc |= NOUVEAU_BO_WR;
470
471	so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
472	so_data  (so, NV50_2D_DST_FORMAT_R8_UNORM);
473	so_data  (so, 1);
474	so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
475	so_data  (so, 262144);
476	so_data  (so, 65536);
477	so_data  (so, 1);
478	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
479	so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
480	so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
481	so_data  (so, 0);
482	so_data  (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
483	so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
484	so_data  (so, size);
485	so_data  (so, 1);
486	so_data  (so, 0);
487	so_data  (so, 1);
488	so_data  (so, 0);
489	so_data  (so, 1);
490	so_data  (so, 0);
491	so_data  (so, 0);
492	so_data  (so, 0);
493	so_data  (so, 0);
494}
495