1/*
2 * Copyright © 2007-2011 Intel Corporation
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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Eric Anholt <eric@anholt.net>
25 *    Chris Wilson <chris@chris-wilson.co.uk>
26 *
27 */
28
29#ifdef HAVE_CONFIG_H
30#include "config.h"
31#endif
32
33#include <sys/mman.h>
34#include <assert.h>
35
36#include "sna.h"
37#include "sna_reg.h"
38
39#include "gen4_render.h"
40
41#include "kgem_debug.h"
42
43static struct state {
44	struct vertex_buffer {
45		int handle;
46		void *base;
47		const char *ptr;
48		int pitch;
49
50		struct kgem_bo *current;
51	} vb[33];
52	struct vertex_elements {
53		int buffer;
54		int offset;
55		bool valid;
56		uint32_t type;
57		uint8_t swizzle[4];
58	} ve[33];
59	int num_ve;
60
61	struct dynamic_state {
62		struct kgem_bo *current;
63		void *base, *ptr;
64	} dynamic_state;
65} state;
66
67static void gen4_update_vertex_buffer(struct kgem *kgem, const uint32_t *data)
68{
69	uint32_t reloc = sizeof(uint32_t) * (&data[1] - kgem->batch);
70	struct kgem_bo *bo = NULL;
71	void *base, *ptr;
72	int i;
73
74	for (i = 0; i < kgem->nreloc; i++)
75		if (kgem->reloc[i].offset == reloc)
76			break;
77	assert(i < kgem->nreloc);
78	reloc = kgem->reloc[i].target_handle;
79
80	if (reloc == 0) {
81		base = kgem->batch;
82	} else {
83		list_for_each_entry(bo, &kgem->next_request->buffers, request)
84			if (bo->handle == reloc)
85				break;
86		assert(&bo->request != &kgem->next_request->buffers);
87		base = kgem_bo_map__debug(kgem, bo);
88	}
89	ptr = (char *)base + kgem->reloc[i].delta;
90
91	i = data[0] >> 27;
92
93	state.vb[i].current = bo;
94	state.vb[i].base = base;
95	state.vb[i].ptr = ptr;
96	state.vb[i].pitch = data[0] & 0x7ff;
97}
98
99static uint32_t
100get_ve_component(uint32_t data, int component)
101{
102	return (data >> (16 + (3 - component) * 4)) & 0x7;
103}
104
105static void gen4_update_vertex_elements(struct kgem *kgem, int id, const uint32_t *data)
106{
107	state.ve[id].buffer = data[0] >> 27;
108	state.ve[id].valid = !!(data[0] & (1 << 26));
109	state.ve[id].type = (data[0] >> 16) & 0x1ff;
110	state.ve[id].offset = data[0] & 0x7ff;
111	state.ve[id].swizzle[0] = get_ve_component(data[1], 0);
112	state.ve[id].swizzle[1] = get_ve_component(data[1], 1);
113	state.ve[id].swizzle[2] = get_ve_component(data[1], 2);
114	state.ve[id].swizzle[3] = get_ve_component(data[1], 3);
115}
116
117static void vertices_sint16_out(const struct vertex_elements *ve, const int16_t *v, int max)
118{
119	int c;
120
121	ErrorF("(");
122	for (c = 0; c < max; c++) {
123		switch (ve->swizzle[c]) {
124		case 0: ErrorF("#"); break;
125		case 1: ErrorF("%d", v[c]); break;
126		case 2: ErrorF("0.0"); break;
127		case 3: ErrorF("1.0"); break;
128		case 4: ErrorF("0x1"); break;
129		case 5: break;
130		default: ErrorF("?");
131		}
132		if (c < 3)
133			ErrorF(", ");
134	}
135	for (; c < 4; c++) {
136		switch (ve->swizzle[c]) {
137		case 0: ErrorF("#"); break;
138		case 1: ErrorF("1.0"); break;
139		case 2: ErrorF("0.0"); break;
140		case 3: ErrorF("1.0"); break;
141		case 4: ErrorF("0x1"); break;
142		case 5: break;
143		default: ErrorF("?");
144		}
145		if (c < 3)
146			ErrorF(", ");
147	}
148	ErrorF(")");
149}
150
151static void vertices_float_out(const struct vertex_elements *ve, const float *f, int max)
152{
153	int c, o;
154
155	ErrorF("(");
156	for (c = o = 0; c < 4 && o < max; c++) {
157		switch (ve->swizzle[c]) {
158		case 0: ErrorF("#"); break;
159		case 1: ErrorF("%f", f[o++]); break;
160		case 2: ErrorF("0.0"); break;
161		case 3: ErrorF("1.0"); break;
162		case 4: ErrorF("0x1"); break;
163		case 5: break;
164		default: ErrorF("?");
165		}
166		if (c < 3)
167			ErrorF(", ");
168	}
169	for (; c < 4; c++) {
170		switch (ve->swizzle[c]) {
171		case 0: ErrorF("#"); break;
172		case 1: ErrorF("1.0"); break;
173		case 2: ErrorF("0.0"); break;
174		case 3: ErrorF("1.0"); break;
175		case 4: ErrorF("0x1"); break;
176		case 5: break;
177		default: ErrorF("?");
178		}
179		if (c < 3)
180			ErrorF(", ");
181	}
182	ErrorF(")");
183}
184
185static void ve_out(const struct vertex_elements *ve, const void *ptr)
186{
187	switch (ve->type) {
188	case GEN4_SURFACEFORMAT_R32_FLOAT:
189		vertices_float_out(ve, ptr, 1);
190		break;
191	case GEN4_SURFACEFORMAT_R32G32_FLOAT:
192		vertices_float_out(ve, ptr, 2);
193		break;
194	case GEN4_SURFACEFORMAT_R32G32B32_FLOAT:
195		vertices_float_out(ve, ptr, 3);
196		break;
197	case GEN4_SURFACEFORMAT_R32G32B32A32_FLOAT:
198		vertices_float_out(ve, ptr, 4);
199		break;
200	case GEN4_SURFACEFORMAT_R16_SINT:
201		vertices_sint16_out(ve, ptr, 1);
202		break;
203	case GEN4_SURFACEFORMAT_R16G16_SINT:
204		vertices_sint16_out(ve, ptr, 2);
205		break;
206	case GEN4_SURFACEFORMAT_R16G16B16A16_SINT:
207		vertices_sint16_out(ve, ptr, 4);
208		break;
209	case GEN4_SURFACEFORMAT_R16_SSCALED:
210		vertices_sint16_out(ve, ptr, 1);
211		break;
212	case GEN4_SURFACEFORMAT_R16G16_SSCALED:
213		vertices_sint16_out(ve, ptr, 2);
214		break;
215	case GEN4_SURFACEFORMAT_R16G16B16A16_SSCALED:
216		vertices_sint16_out(ve, ptr, 4);
217		break;
218	}
219}
220
221static void indirect_vertex_out(struct kgem *kgem, uint32_t v)
222{
223	int i = 0;
224
225	do {
226		const struct vertex_elements *ve = &state.ve[i];
227		const struct vertex_buffer *vb = &state.vb[ve->buffer];
228		const void *ptr = vb->ptr + v * vb->pitch + ve->offset;
229
230		if (!ve->valid)
231			continue;
232
233		ve_out(ve, ptr);
234
235		while (++i <= state.num_ve && !state.ve[i].valid)
236			;
237
238		if (i <= state.num_ve)
239			ErrorF(", ");
240	} while (i <= state.num_ve);
241}
242
243static void primitive_out(struct kgem *kgem, uint32_t *data)
244{
245	int n;
246
247	assert((data[0] & (1<<15)) == 0); /* XXX index buffers */
248
249	for (n = 0; n < data[1]; n++) {
250		int v = data[2] + n;
251		ErrorF("	[%d:%d] = ", n, v);
252		indirect_vertex_out(kgem, v);
253		ErrorF("\n");
254	}
255}
256
257static void
258state_base_out(uint32_t *data, uint32_t offset, unsigned int index,
259	       const char *name)
260{
261    if (data[index] & 1)
262	kgem_debug_print(data, offset, index,
263		  "%s state base address 0x%08x\n",
264		  name, data[index] & ~1);
265    else
266	kgem_debug_print(data, offset, index,
267		  "%s state base not updated\n",
268		  name);
269}
270
271static void
272state_max_out(uint32_t *data, uint32_t offset, unsigned int index,
273	      const char *name)
274{
275	if (data[index] == 1)
276		kgem_debug_print(data, offset, index,
277			  "%s state upper bound disabled\n", name);
278	else if (data[index] & 1)
279		kgem_debug_print(data, offset, index,
280			  "%s state upper bound 0x%08x\n",
281			  name, data[index] & ~1);
282	else
283		kgem_debug_print(data, offset, index,
284			  "%s state upper bound not updated\n",
285			  name);
286}
287
288static const char *
289get_965_surfacetype(unsigned int surfacetype)
290{
291	switch (surfacetype) {
292	case 0: return "1D";
293	case 1: return "2D";
294	case 2: return "3D";
295	case 3: return "CUBE";
296	case 4: return "BUFFER";
297	case 7: return "NULL";
298	default: return "unknown";
299	}
300}
301
302static const char *
303get_965_depthformat(unsigned int depthformat)
304{
305	switch (depthformat) {
306	case 0: return "s8_z24float";
307	case 1: return "z32float";
308	case 2: return "z24s8";
309	case 5: return "z16";
310	default: return "unknown";
311	}
312}
313
314static const char *
315get_965_element_component(uint32_t data, int component)
316{
317	uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
318
319	switch (component_control) {
320	case 0:
321		return "nostore";
322	case 1:
323		switch (component) {
324		case 0: return "X";
325		case 1: return "Y";
326		case 2: return "Z";
327		case 3: return "W";
328		default: return "fail";
329		}
330	case 2:
331		return "0.0";
332	case 3:
333		return "1.0";
334	case 4:
335		return "0x1";
336	case 5:
337		return "VID";
338	default:
339		return "fail";
340	}
341}
342
343static const char *
344get_965_prim_type(uint32_t data)
345{
346	uint32_t primtype = (data >> 10) & 0x1f;
347
348	switch (primtype) {
349	case 0x01: return "point list";
350	case 0x02: return "line list";
351	case 0x03: return "line strip";
352	case 0x04: return "tri list";
353	case 0x05: return "tri strip";
354	case 0x06: return "tri fan";
355	case 0x07: return "quad list";
356	case 0x08: return "quad strip";
357	case 0x09: return "line list adj";
358	case 0x0a: return "line strip adj";
359	case 0x0b: return "tri list adj";
360	case 0x0c: return "tri strip adj";
361	case 0x0d: return "tri strip reverse";
362	case 0x0e: return "polygon";
363	case 0x0f: return "rect list";
364	case 0x10: return "line loop";
365	case 0x11: return "point list bf";
366	case 0x12: return "line strip cont";
367	case 0x13: return "line strip bf";
368	case 0x14: return "line strip cont bf";
369	case 0x15: return "tri fan no stipple";
370	default: return "fail";
371	}
372}
373
374#if 0
375struct reloc {
376	struct kgem_bo *bo;
377	void *base;
378};
379
380static void *
381get_reloc(struct kgem *kgem,
382	  void *base, const uint32_t *reloc,
383	  struct reloc *r)
384{
385	uint32_t delta = *reloc;
386
387	memset(r, 0, sizeof(*r));
388
389	if (base == 0) {
390		uint32_t handle = sizeof(uint32_t) * (reloc - kgem->batch);
391		struct kgem_bo *bo = NULL;
392		int i;
393
394		for (i = 0; i < kgem->nreloc; i++)
395			if (kgem->reloc[i].offset == handle)
396				break;
397		assert(i < kgem->nreloc);
398		handle = kgem->reloc[i].target_handle;
399		delta = kgem->reloc[i].delta;
400
401		if (handle == 0) {
402			base = kgem->batch;
403		} else {
404			list_for_each_entry(bo, &kgem->next_request->buffers, request)
405				if (bo->handle == handle)
406					break;
407			assert(&bo->request != &kgem->next_request->buffers);
408			base = kgem_bo_map__debug(kgem, bo);
409			r->bo = bo;
410			r->base = base;
411		}
412	}
413
414	return (char *)base + delta;
415}
416#endif
417
418int kgem_gen4_decode_3d(struct kgem *kgem, uint32_t offset)
419{
420	static const struct {
421		uint32_t opcode;
422		int min_len;
423		int max_len;
424		const char *name;
425	} opcodes[] = {
426		{ 0x6000, 3, 3, "URB_FENCE" },
427		{ 0x6001, 2, 2, "CS_URB_FENCE" },
428		{ 0x6002, 2, 2, "CONSTANT_BUFFER" },
429		{ 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
430		{ 0x6102, 2, 2 , "STATE_SIP" },
431		{ 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
432		{ 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
433		{ 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
434		{ 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
435		{ 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
436		{ 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
437		{ 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
438		{ 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
439		{ 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
440		{ 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
441		{ 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
442		{ 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
443		{ 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
444		{ 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
445		{ 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
446		{ 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
447		{ 0x7909, 2, 2, "3DSTATE_CLEAR_PARAMS" },
448		{ 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
449		{ 0x790b, 4, 4, "3DSTATE_GS_SVB_INDEX" },
450		{ 0x790d, 3, 3, "3DSTATE_MULTISAMPLE" },
451		{ 0x7910, 2, 2, "3DSTATE_CLEAR_PARAMS" },
452		{ 0x7b00, 6, 6, "3DPRIMITIVE" },
453		{ 0x7805, 3, 3, "3DSTATE_URB" },
454		{ 0x7815, 5, 5, "3DSTATE_CONSTANT_VS_STATE" },
455		{ 0x7816, 5, 5, "3DSTATE_CONSTANT_GS_STATE" },
456		{ 0x7817, 5, 5, "3DSTATE_CONSTANT_PS_STATE" },
457		{ 0x7818, 2, 2, "3DSTATE_SAMPLE_MASK" },
458	};
459	uint32_t *data = kgem->batch + offset;
460	uint32_t op;
461	unsigned int len;
462	int i;
463	const char *desc1 = NULL;
464
465	len = (data[0] & 0xff) + 2;
466	op = (data[0] & 0xffff0000) >> 16;
467	switch (op) {
468	case 0x6000:
469		assert(len == 3);
470
471		kgem_debug_print(data, offset, 0, "URB_FENCE: %s%s%s%s%s%s\n",
472			  (data[0] >> 13) & 1 ? "cs " : "",
473			  (data[0] >> 12) & 1 ? "vfe " : "",
474			  (data[0] >> 11) & 1 ? "sf " : "",
475			  (data[0] >> 10) & 1 ? "clip " : "",
476			  (data[0] >> 9)  & 1 ? "gs " : "",
477			  (data[0] >> 8)  & 1 ? "vs " : "");
478		kgem_debug_print(data, offset, 1,
479			  "vs fence: %d, gs_fence: %d, clip_fence: %d\n",
480			  data[1] & 0x3ff,
481			  (data[1] >> 10) & 0x3ff,
482			  (data[1] >> 20) & 0x3ff);
483		kgem_debug_print(data, offset, 2,
484			  "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
485			   data[2] & 0x3ff,
486			   (data[2] >> 10) & 0x3ff,
487			   (data[2] >> 20) & 0x7ff);
488		return len;
489
490	case 0x6001:
491		kgem_debug_print(data, offset, 0, "CS_URB_STATE\n");
492		kgem_debug_print(data, offset, 1, "entry_size: %d [%d bytes], n_entries: %d\n",
493			  (data[1] >> 4) & 0x1f,
494			  (((data[1] >> 4) & 0x1f) + 1) * 64,
495			  data[1] & 0x7);
496		return len;
497	case 0x6002:
498		kgem_debug_print(data, offset, 0, "CONSTANT_BUFFER: %s\n",
499			  (data[0] >> 8) & 1 ? "valid" : "invalid");
500		kgem_debug_print(data, offset, 1, "offset: 0x%08x, length: %d bytes\n",
501			  data[1] & ~0x3f, ((data[1] & 0x3f) + 1) * 64);
502		return len;
503	case 0x6101:
504		i = 0;
505		kgem_debug_print(data, offset, i++, "STATE_BASE_ADDRESS\n");
506		assert(len == 6);
507
508		state_base_out(data, offset, i++, "general");
509		state_base_out(data, offset, i++, "surface");
510		state_base_out(data, offset, i++, "media");
511
512		state_max_out(data, offset, i++, "general");
513		state_max_out(data, offset, i++, "media");
514
515		return len;
516
517	case 0x7801:
518		assert(len == 6);
519
520		kgem_debug_print(data, offset, 0,
521			  "3DSTATE_BINDING_TABLE_POINTERS\n");
522		kgem_debug_print(data, offset, 1, "VS binding table\n");
523		kgem_debug_print(data, offset, 2, "GS binding table\n");
524		kgem_debug_print(data, offset, 3, "CLIP binding table\n");
525		kgem_debug_print(data, offset, 4, "SF binding table\n");
526		kgem_debug_print(data, offset, 5, "WM binding table\n");
527
528		return len;
529
530	case 0x7808:
531		assert((len - 1) % 4 == 0);
532		kgem_debug_print(data, offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
533
534		for (i = 1; i < len;) {
535			gen4_update_vertex_buffer(kgem, data + i);
536
537			kgem_debug_print(data, offset, i, "buffer %d: %s, pitch %db\n",
538				  data[i] >> 27,
539				  data[i] & (1 << 20) ? "random" : "sequential",
540				  data[i] & 0x07ff);
541			i++;
542			kgem_debug_print(data, offset, i++, "buffer address\n");
543			kgem_debug_print(data, offset, i++, "max index\n");
544			kgem_debug_print(data, offset, i++, "mbz\n");
545		}
546		return len;
547
548	case 0x7809:
549		assert((len + 1) % 2 == 0);
550		kgem_debug_print(data, offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
551
552		memset(state.ve, 0, sizeof(state.ve)); /* XXX? */
553		for (i = 1; i < len;) {
554			gen4_update_vertex_elements(kgem, (i - 1)/2, data + i);
555
556			kgem_debug_print(data, offset, i, "buffer %d: %svalid, type 0x%04x, "
557				  "src offset 0x%04x bytes\n",
558				  data[i] >> 27,
559				  data[i] & (1 << 26) ? "" : "in",
560				  (data[i] >> 16) & 0x1ff,
561				  data[i] & 0x07ff);
562			i++;
563			kgem_debug_print(data, offset, i, "(%s, %s, %s, %s), "
564				  "dst offset 0x%02x bytes\n",
565				  get_965_element_component(data[i], 0),
566				  get_965_element_component(data[i], 1),
567				  get_965_element_component(data[i], 2),
568				  get_965_element_component(data[i], 3),
569				  (data[i] & 0xff) * 4);
570			i++;
571		}
572		state.num_ve = (len - 1) / 2; /* XXX? */
573		return len;
574
575	case 0x780a:
576		assert(len == 3);
577		kgem_debug_print(data, offset, 0, "3DSTATE_INDEX_BUFFER\n");
578		kgem_debug_print(data, offset, 1, "beginning buffer address\n");
579		kgem_debug_print(data, offset, 2, "ending buffer address\n");
580		return len;
581
582	case 0x7900:
583		assert(len == 4);
584		kgem_debug_print(data, offset, 0,
585			  "3DSTATE_DRAWING_RECTANGLE\n");
586		kgem_debug_print(data, offset, 1, "top left: %d,%d\n",
587			  data[1] & 0xffff,
588			  (data[1] >> 16) & 0xffff);
589		kgem_debug_print(data, offset, 2, "bottom right: %d,%d\n",
590			  data[2] & 0xffff,
591			  (data[2] >> 16) & 0xffff);
592		kgem_debug_print(data, offset, 3, "origin: %d,%d\n",
593			  (int)data[3] & 0xffff,
594			  ((int)data[3] >> 16) & 0xffff);
595		return len;
596
597	case 0x7905:
598		assert(len == 7);
599		kgem_debug_print(data, offset, 0,
600			  "3DSTATE_DEPTH_BUFFER\n");
601		kgem_debug_print(data, offset, 1, "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Separate Stencil %d\n",
602			  get_965_surfacetype(data[1] >> 29),
603			  get_965_depthformat((data[1] >> 18) & 0x7),
604			  (data[1] & 0x0001ffff) + 1,
605			  data[1] & (1 << 27) ? "" : "not ",
606			  (data[1] & (1 << 22)) != 0,
607			  (data[1] & (1 << 21)) != 0);
608		kgem_debug_print(data, offset, 2, "depth offset\n");
609		kgem_debug_print(data, offset, 3, "%dx%d\n",
610			  ((data[3] & 0x0007ffc0) >> 6) + 1,
611			  ((data[3] & 0xfff80000) >> 19) + 1);
612		kgem_debug_print(data, offset, 4, "volume depth\n");
613		kgem_debug_print(data, offset, 5, "\n");
614		kgem_debug_print(data, offset, 6, "\n");
615		return len;
616
617	case 0x7a00:
618		assert(len == 4 || len == 5);
619		switch ((data[1] >> 14) & 0x3) {
620		case 0: desc1 = "no write"; break;
621		case 1: desc1 = "qword write"; break;
622		case 2: desc1 = "PS_DEPTH_COUNT write"; break;
623		case 3: desc1 = "TIMESTAMP write"; break;
624		}
625		kgem_debug_print(data, offset, 0, "PIPE_CONTROL\n");
626		kgem_debug_print(data, offset, 1,
627			  "%s, %scs stall, %stlb invalidate, "
628			  "%ssync gfdt, %sdepth stall, %sRC write flush, "
629			  "%sinst flush, %sTC flush\n",
630			  desc1,
631			  data[1] & (1 << 20) ? "" : "no ",
632			  data[1] & (1 << 18) ? "" : "no ",
633			  data[1] & (1 << 17) ? "" : "no ",
634			  data[1] & (1 << 13) ? "" : "no ",
635			  data[1] & (1 << 12) ? "" : "no ",
636			  data[1] & (1 << 11) ? "" : "no ",
637			  data[1] & (1 << 10) ? "" : "no ");
638		if (len == 5) {
639			kgem_debug_print(data, offset, 2, "destination address\n");
640			kgem_debug_print(data, offset, 3, "immediate dword low\n");
641			kgem_debug_print(data, offset, 4, "immediate dword high\n");
642		} else {
643			for (i = 2; i < len; i++) {
644				kgem_debug_print(data, offset, i, "\n");
645			}
646		}
647		return len;
648
649	case 0x7b00:
650		assert(len == 6);
651		kgem_debug_print(data, offset, 0,
652			  "3DPRIMITIVE: %s %s\n",
653			  get_965_prim_type(data[0]),
654			  (data[0] & (1 << 15)) ? "random" : "sequential");
655		kgem_debug_print(data, offset, 1, "vertex count\n");
656		kgem_debug_print(data, offset, 2, "start vertex\n");
657		kgem_debug_print(data, offset, 3, "instance count\n");
658		kgem_debug_print(data, offset, 4, "start instance\n");
659		kgem_debug_print(data, offset, 5, "index bias\n");
660		primitive_out(kgem, data);
661		return len;
662	}
663
664	/* For the rest, just dump the bytes */
665	for (i = 0; i < ARRAY_SIZE(opcodes); i++)
666		if (op == opcodes[i].opcode)
667			break;
668
669	assert(i < ARRAY_SIZE(opcodes));
670
671	len = 1;
672	kgem_debug_print(data, offset, 0, "%s\n", opcodes[i].name);
673	if (opcodes[i].max_len > 1) {
674		len = (data[0] & 0xff) + 2;
675		assert(len >= opcodes[i].min_len &&
676		       len <= opcodes[i].max_len);
677	}
678
679	for (i = 1; i < len; i++)
680		kgem_debug_print(data, offset, i, "dword %d\n", i);
681
682	return len;
683}
684
685void kgem_gen4_finish_state(struct kgem *kgem)
686{
687	memset(&state, 0, sizeof(state));
688}
689