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/*
2
 * Copyright © 2006,2008,2011 Intel Corporation
3
 * Copyright © 2007 Red Hat, Inc.
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
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9
 * and/or sell copies of the Software, and to permit persons to whom the
10
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22
 * SOFTWARE.
23
 *
24
 * Authors:
25
 *    Wang Zhenyu 
26
 *    Eric Anholt 
27
 *    Carl Worth 
28
 *    Keith Packard 
29
 *    Chris Wilson 
30
 *
31
 */
32
 
33
#ifdef HAVE_CONFIG_H
34
#include "config.h"
35
#endif
36
 
37
#include "sna.h"
38
#include "sna_reg.h"
39
#include "sna_render.h"
40
#include "sna_render_inline.h"
41
//#include "sna_video.h"
42
 
43
#include "brw/brw.h"
44
#include "gen7_render.h"
45
#include "gen4_source.h"
46
#include "gen4_vertex.h"
47
 
48
#define NO_COMPOSITE 0
49
#define NO_COMPOSITE_SPANS 0
50
#define NO_COPY 0
51
#define NO_COPY_BOXES 0
52
#define NO_FILL 0
53
#define NO_FILL_BOXES 0
54
#define NO_FILL_ONE 0
55
#define NO_FILL_CLEAR 0
56
 
57
#define NO_RING_SWITCH 0
58
 
59
#define USE_8_PIXEL_DISPATCH 1
60
#define USE_16_PIXEL_DISPATCH 1
61
#define USE_32_PIXEL_DISPATCH 0
62
 
63
#if !USE_8_PIXEL_DISPATCH && !USE_16_PIXEL_DISPATCH && !USE_32_PIXEL_DISPATCH
64
#error "Must select at least 8, 16 or 32 pixel dispatch"
65
#endif
66
 
67
#define GEN7_MAX_SIZE 16384
68
 
69
/* XXX Todo
70
 *
71
 * STR (software tiled rendering) mode. No, really.
72
 * 64x32 pixel blocks align with the rendering cache. Worth considering.
73
 */
74
 
75
#define is_aligned(x, y) (((x) & ((y) - 1)) == 0)
76
 
77
struct gt_info {
78
	uint32_t max_vs_threads;
79
	uint32_t max_gs_threads;
80
	uint32_t max_wm_threads;
81
	struct {
82
		int size;
83
		int max_vs_entries;
84
		int max_gs_entries;
85
	} urb;
86
};
87
 
88
static const struct gt_info ivb_gt_info = {
89
	.max_vs_threads = 16,
90
	.max_gs_threads = 16,
91
	.max_wm_threads = (16-1) << IVB_PS_MAX_THREADS_SHIFT,
92
	.urb = { 128, 64, 64 },
93
};
94
 
95
static const struct gt_info ivb_gt1_info = {
96
	.max_vs_threads = 36,
97
	.max_gs_threads = 36,
98
	.max_wm_threads = (48-1) << IVB_PS_MAX_THREADS_SHIFT,
99
	.urb = { 128, 512, 192 },
100
};
101
 
102
static const struct gt_info ivb_gt2_info = {
103
	.max_vs_threads = 128,
104
	.max_gs_threads = 128,
105
	.max_wm_threads = (172-1) << IVB_PS_MAX_THREADS_SHIFT,
106
	.urb = { 256, 704, 320 },
107
};
108
 
109
static const struct gt_info hsw_gt_info = {
110
	.max_vs_threads = 8,
111
	.max_gs_threads = 8,
112
	.max_wm_threads =
113
		(8 - 1) << HSW_PS_MAX_THREADS_SHIFT |
114
		1 << HSW_PS_SAMPLE_MASK_SHIFT,
115
	.urb = { 128, 64, 64 },
116
};
117
 
118
static const struct gt_info hsw_gt1_info = {
119
	.max_vs_threads = 70,
120
	.max_gs_threads = 70,
121
	.max_wm_threads =
122
		(102 - 1) << HSW_PS_MAX_THREADS_SHIFT |
123
		1 << HSW_PS_SAMPLE_MASK_SHIFT,
124
	.urb = { 128, 640, 256 },
125
};
126
 
127
static const struct gt_info hsw_gt2_info = {
128
	.max_vs_threads = 280,
129
	.max_gs_threads = 280,
130
	.max_wm_threads =
131
		(204 - 1) << HSW_PS_MAX_THREADS_SHIFT |
132
		1 << HSW_PS_SAMPLE_MASK_SHIFT,
133
	.urb = { 256, 1664, 640 },
134
};
135
 
136
static const uint32_t ps_kernel_packed[][4] = {
137
#include "exa_wm_src_affine.g7b"
138
#include "exa_wm_src_sample_argb.g7b"
139
#include "exa_wm_yuv_rgb.g7b"
140
#include "exa_wm_write.g7b"
141
};
142
 
143
static const uint32_t ps_kernel_planar[][4] = {
144
#include "exa_wm_src_affine.g7b"
145
#include "exa_wm_src_sample_planar.g7b"
146
#include "exa_wm_yuv_rgb.g7b"
147
#include "exa_wm_write.g7b"
148
};
149
 
150
#define KERNEL(kernel_enum, kernel, num_surfaces) \
151
    [GEN7_WM_KERNEL_##kernel_enum] = {#kernel_enum, kernel, sizeof(kernel), num_surfaces}
152
#define NOKERNEL(kernel_enum, func, num_surfaces) \
153
    [GEN7_WM_KERNEL_##kernel_enum] = {#kernel_enum, (void *)func, 0, num_surfaces}
154
static const struct wm_kernel_info {
155
	const char *name;
156
	const void *data;
157
	unsigned int size;
158
	int num_surfaces;
159
} wm_kernels[] = {
160
	NOKERNEL(NOMASK, brw_wm_kernel__affine, 2),
161
	NOKERNEL(NOMASK_P, brw_wm_kernel__projective, 2),
162
 
163
	NOKERNEL(MASK, brw_wm_kernel__affine_mask, 3),
164
	NOKERNEL(MASK_P, brw_wm_kernel__projective_mask, 3),
165
 
166
	NOKERNEL(MASKCA, brw_wm_kernel__affine_mask_ca, 3),
167
	NOKERNEL(MASKCA_P, brw_wm_kernel__projective_mask_ca, 3),
168
 
169
	NOKERNEL(MASKSA, brw_wm_kernel__affine_mask_sa, 3),
170
	NOKERNEL(MASKSA_P, brw_wm_kernel__projective_mask_sa, 3),
171
 
172
	NOKERNEL(OPACITY, brw_wm_kernel__affine_opacity, 2),
173
	NOKERNEL(OPACITY_P, brw_wm_kernel__projective_opacity, 2),
174
 
175
	KERNEL(VIDEO_PLANAR, ps_kernel_planar, 7),
176
	KERNEL(VIDEO_PACKED, ps_kernel_packed, 2),
177
};
178
#undef KERNEL
179
 
180
static const struct blendinfo {
181
	bool src_alpha;
182
	uint32_t src_blend;
183
	uint32_t dst_blend;
184
} gen7_blend_op[] = {
185
	/* Clear */	{0, GEN7_BLENDFACTOR_ZERO, GEN7_BLENDFACTOR_ZERO},
186
	/* Src */	{0, GEN7_BLENDFACTOR_ONE, GEN7_BLENDFACTOR_ZERO},
187
	/* Dst */	{0, GEN7_BLENDFACTOR_ZERO, GEN7_BLENDFACTOR_ONE},
188
	/* Over */	{1, GEN7_BLENDFACTOR_ONE, GEN7_BLENDFACTOR_INV_SRC_ALPHA},
189
	/* OverReverse */ {0, GEN7_BLENDFACTOR_INV_DST_ALPHA, GEN7_BLENDFACTOR_ONE},
190
	/* In */	{0, GEN7_BLENDFACTOR_DST_ALPHA, GEN7_BLENDFACTOR_ZERO},
191
	/* InReverse */	{1, GEN7_BLENDFACTOR_ZERO, GEN7_BLENDFACTOR_SRC_ALPHA},
192
	/* Out */	{0, GEN7_BLENDFACTOR_INV_DST_ALPHA, GEN7_BLENDFACTOR_ZERO},
193
	/* OutReverse */ {1, GEN7_BLENDFACTOR_ZERO, GEN7_BLENDFACTOR_INV_SRC_ALPHA},
194
	/* Atop */	{1, GEN7_BLENDFACTOR_DST_ALPHA, GEN7_BLENDFACTOR_INV_SRC_ALPHA},
195
	/* AtopReverse */ {1, GEN7_BLENDFACTOR_INV_DST_ALPHA, GEN7_BLENDFACTOR_SRC_ALPHA},
196
	/* Xor */	{1, GEN7_BLENDFACTOR_INV_DST_ALPHA, GEN7_BLENDFACTOR_INV_SRC_ALPHA},
197
	/* Add */	{0, GEN7_BLENDFACTOR_ONE, GEN7_BLENDFACTOR_ONE},
198
};
199
 
200
/**
201
 * Highest-valued BLENDFACTOR used in gen7_blend_op.
202
 *
203
 * This leaves out GEN7_BLENDFACTOR_INV_DST_COLOR,
204
 * GEN7_BLENDFACTOR_INV_CONST_{COLOR,ALPHA},
205
 * GEN7_BLENDFACTOR_INV_SRC1_{COLOR,ALPHA}
206
 */
207
#define GEN7_BLENDFACTOR_COUNT (GEN7_BLENDFACTOR_INV_DST_ALPHA + 1)
208
 
209
#define GEN7_BLEND_STATE_PADDED_SIZE	ALIGN(sizeof(struct gen7_blend_state), 64)
210
 
211
#define BLEND_OFFSET(s, d) \
212
	((d != GEN7_BLENDFACTOR_ZERO) << 15 | \
213
	 (((s) * GEN7_BLENDFACTOR_COUNT + (d)) * GEN7_BLEND_STATE_PADDED_SIZE))
214
 
215
#define NO_BLEND BLEND_OFFSET(GEN7_BLENDFACTOR_ONE, GEN7_BLENDFACTOR_ZERO)
216
#define CLEAR BLEND_OFFSET(GEN7_BLENDFACTOR_ZERO, GEN7_BLENDFACTOR_ZERO)
217
 
218
#define SAMPLER_OFFSET(sf, se, mf, me) \
219
	((((((sf) * EXTEND_COUNT + (se)) * FILTER_COUNT + (mf)) * EXTEND_COUNT + (me)) + 2) * 2 * sizeof(struct gen7_sampler_state))
220
 
221
#define VERTEX_2s2s 0
222
 
223
#define COPY_SAMPLER 0
224
#define COPY_VERTEX VERTEX_2s2s
225
#define COPY_FLAGS(a) GEN7_SET_FLAGS(COPY_SAMPLER, (a) == GXcopy ? NO_BLEND : CLEAR, GEN7_WM_KERNEL_NOMASK, COPY_VERTEX)
226
 
227
#define FILL_SAMPLER (2 * sizeof(struct gen7_sampler_state))
228
#define FILL_VERTEX VERTEX_2s2s
229
#define FILL_FLAGS(op, format) GEN7_SET_FLAGS(FILL_SAMPLER, gen7_get_blend((op), false, (format)), GEN7_WM_KERNEL_NOMASK, FILL_VERTEX)
230
#define FILL_FLAGS_NOBLEND GEN7_SET_FLAGS(FILL_SAMPLER, NO_BLEND, GEN7_WM_KERNEL_NOMASK, FILL_VERTEX)
231
 
232
#define GEN7_SAMPLER(f) (((f) >> 16) & 0xfff0)
233
#define GEN7_BLEND(f) (((f) >> 0) & 0x7ff0)
234
#define GEN7_READS_DST(f) (((f) >> 15) & 1)
235
#define GEN7_KERNEL(f) (((f) >> 16) & 0xf)
236
#define GEN7_VERTEX(f) (((f) >> 0) & 0xf)
237
#define GEN7_SET_FLAGS(S, B, K, V)  (((S) | (K)) << 16 | ((B) | (V)))
238
 
239
#define OUT_BATCH(v) batch_emit(sna, v)
240
#define OUT_VERTEX(x,y) vertex_emit_2s(sna, x,y)
241
#define OUT_VERTEX_F(v) vertex_emit(sna, v)
242
 
243
static inline bool too_large(int width, int height)
244
{
245
	return width > GEN7_MAX_SIZE || height > GEN7_MAX_SIZE;
246
}
247
 
248
static uint32_t gen7_get_blend(int op,
249
			       bool has_component_alpha,
250
			       uint32_t dst_format)
251
{
252
	uint32_t src, dst;
253
 
254
 
255
    src = GEN7_BLENDFACTOR_ONE; //gen6_blend_op[op].src_blend;
256
    dst = GEN7_BLENDFACTOR_INV_SRC_ALPHA; //gen6_blend_op[op].dst_blend;
257
 
258
#if 0
259
	/* If there's no dst alpha channel, adjust the blend op so that
260
	 * we'll treat it always as 1.
261
	 */
262
	if (PICT_FORMAT_A(dst_format) == 0) {
263
		if (src == GEN7_BLENDFACTOR_DST_ALPHA)
264
			src = GEN7_BLENDFACTOR_ONE;
265
		else if (src == GEN7_BLENDFACTOR_INV_DST_ALPHA)
266
			src = GEN7_BLENDFACTOR_ZERO;
267
	}
268
 
269
	/* If the source alpha is being used, then we should only be in a
270
	 * case where the source blend factor is 0, and the source blend
271
	 * value is the mask channels multiplied by the source picture's alpha.
272
	 */
273
	if (has_component_alpha && gen7_blend_op[op].src_alpha) {
274
		if (dst == GEN7_BLENDFACTOR_SRC_ALPHA)
275
			dst = GEN7_BLENDFACTOR_SRC_COLOR;
276
		else if (dst == GEN7_BLENDFACTOR_INV_SRC_ALPHA)
277
			dst = GEN7_BLENDFACTOR_INV_SRC_COLOR;
278
	}
279
#endif
280
 
281
	DBG(("blend op=%d, dst=%x [A=%d] => src=%d, dst=%d => offset=%x\n",
282
	     op, dst_format, PICT_FORMAT_A(dst_format),
283
	     src, dst, (int)BLEND_OFFSET(src, dst)));
284
	return BLEND_OFFSET(src, dst);
285
}
286
 
287
static uint32_t gen7_get_card_format(PictFormat format)
288
{
289
	switch (format) {
290
	default:
291
		return -1;
292
	case PICT_a8r8g8b8:
293
		return GEN7_SURFACEFORMAT_B8G8R8A8_UNORM;
294
	case PICT_x8r8g8b8:
295
		return GEN7_SURFACEFORMAT_B8G8R8X8_UNORM;
296
	case PICT_a8:
297
		return GEN7_SURFACEFORMAT_A8_UNORM;
298
	}
299
}
300
 
301
static uint32_t gen7_get_dest_format(PictFormat format)
302
{
303
	switch (format) {
304
	default:
305
		return -1;
306
	case PICT_a8r8g8b8:
307
	case PICT_x8r8g8b8:
308
		return GEN7_SURFACEFORMAT_B8G8R8A8_UNORM;
309
	case PICT_a8:
310
		return GEN7_SURFACEFORMAT_A8_UNORM;
311
	}
312
}
313
 
314
static int
315
gen7_choose_composite_kernel(int op, bool has_mask, bool is_ca, bool is_affine)
316
{
317
	int base;
318
 
319
	if (has_mask) {
320
		if (is_ca) {
321
			if (gen7_blend_op[op].src_alpha)
322
				base = GEN7_WM_KERNEL_MASKSA;
323
			else
324
				base = GEN7_WM_KERNEL_MASKCA;
325
		} else
326
			base = GEN7_WM_KERNEL_MASK;
327
	} else
328
		base = GEN7_WM_KERNEL_NOMASK;
329
 
330
	return base + !is_affine;
331
}
332
 
333
static void
334
gen7_emit_urb(struct sna *sna)
335
{
336
	OUT_BATCH(GEN7_3DSTATE_PUSH_CONSTANT_ALLOC_PS | (2 - 2));
337
	OUT_BATCH(8); /* in 1KBs */
338
 
339
	/* num of VS entries must be divisible by 8 if size < 9 */
340
	OUT_BATCH(GEN7_3DSTATE_URB_VS | (2 - 2));
341
	OUT_BATCH((sna->render_state.gen7.info->urb.max_vs_entries << GEN7_URB_ENTRY_NUMBER_SHIFT) |
342
		  (2 - 1) << GEN7_URB_ENTRY_SIZE_SHIFT |
343
		  (1 << GEN7_URB_STARTING_ADDRESS_SHIFT));
344
 
345
	OUT_BATCH(GEN7_3DSTATE_URB_HS | (2 - 2));
346
	OUT_BATCH((0 << GEN7_URB_ENTRY_SIZE_SHIFT) |
347
		  (2 << GEN7_URB_STARTING_ADDRESS_SHIFT));
348
 
349
	OUT_BATCH(GEN7_3DSTATE_URB_DS | (2 - 2));
350
	OUT_BATCH((0 << GEN7_URB_ENTRY_SIZE_SHIFT) |
351
		  (2 << GEN7_URB_STARTING_ADDRESS_SHIFT));
352
 
353
	OUT_BATCH(GEN7_3DSTATE_URB_GS | (2 - 2));
354
	OUT_BATCH((0 << GEN7_URB_ENTRY_SIZE_SHIFT) |
355
		  (1 << GEN7_URB_STARTING_ADDRESS_SHIFT));
356
}
357
 
358
static void
359
gen7_emit_state_base_address(struct sna *sna)
360
{
361
	OUT_BATCH(GEN7_STATE_BASE_ADDRESS | (10 - 2));
362
	OUT_BATCH(0); /* general */
363
	OUT_BATCH(kgem_add_reloc(&sna->kgem, /* surface */
364
				 sna->kgem.nbatch,
365
				 NULL,
366
				 I915_GEM_DOMAIN_INSTRUCTION << 16,
367
				 BASE_ADDRESS_MODIFY));
368
	OUT_BATCH(kgem_add_reloc(&sna->kgem, /* instruction */
369
				 sna->kgem.nbatch,
370
				 sna->render_state.gen7.general_bo,
371
				 I915_GEM_DOMAIN_INSTRUCTION << 16,
372
				 BASE_ADDRESS_MODIFY));
373
	OUT_BATCH(0); /* indirect */
374
	OUT_BATCH(kgem_add_reloc(&sna->kgem,
375
				 sna->kgem.nbatch,
376
				 sna->render_state.gen7.general_bo,
377
				 I915_GEM_DOMAIN_INSTRUCTION << 16,
378
				 BASE_ADDRESS_MODIFY));
379
 
380
	/* upper bounds, disable */
381
	OUT_BATCH(0);
382
	OUT_BATCH(BASE_ADDRESS_MODIFY);
383
	OUT_BATCH(0);
384
	OUT_BATCH(BASE_ADDRESS_MODIFY);
385
}
386
 
387
static void
388
gen7_disable_vs(struct sna *sna)
389
{
390
	/* For future reference:
391
	 * A PIPE_CONTROL with post-sync op set to 1 and a depth stall needs
392
	 * to be emitted just prior to change VS state, i.e. 3DSTATE_VS,
393
	 * 3DSTATE_URB_VS, 3DSTATE_CONSTANT_VS,
394
	 * 3DSTATE_BINDING_TABLE_POINTER_VS, 3DSTATE_SAMPLER_STATE_POINTER_VS.
395
	 *
396
	 * Here we saved by the full-flush incurred when emitting
397
	 * the batchbuffer.
398
	 */
399
	OUT_BATCH(GEN7_3DSTATE_VS | (6 - 2));
400
	OUT_BATCH(0); /* no VS kernel */
401
	OUT_BATCH(0);
402
	OUT_BATCH(0);
403
	OUT_BATCH(0);
404
	OUT_BATCH(0); /* pass-through */
405
 
406
#if 0
407
	OUT_BATCH(GEN7_3DSTATE_CONSTANT_VS | (7 - 2));
408
	OUT_BATCH(0);
409
	OUT_BATCH(0);
410
	OUT_BATCH(0);
411
	OUT_BATCH(0);
412
	OUT_BATCH(0);
413
	OUT_BATCH(0);
414
 
415
	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_VS | (2 - 2));
416
	OUT_BATCH(0);
417
 
418
	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_VS | (2 - 2));
419
	OUT_BATCH(0);
420
#endif
421
}
422
 
423
static void
424
gen7_disable_hs(struct sna *sna)
425
{
426
	OUT_BATCH(GEN7_3DSTATE_HS | (7 - 2));
427
	OUT_BATCH(0); /* no HS kernel */
428
	OUT_BATCH(0);
429
	OUT_BATCH(0);
430
	OUT_BATCH(0);
431
	OUT_BATCH(0);
432
	OUT_BATCH(0); /* pass-through */
433
 
434
#if 0
435
	OUT_BATCH(GEN7_3DSTATE_CONSTANT_HS | (7 - 2));
436
	OUT_BATCH(0);
437
	OUT_BATCH(0);
438
	OUT_BATCH(0);
439
	OUT_BATCH(0);
440
	OUT_BATCH(0);
441
	OUT_BATCH(0);
442
 
443
	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_HS | (2 - 2));
444
	OUT_BATCH(0);
445
 
446
	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_HS | (2 - 2));
447
	OUT_BATCH(0);
448
#endif
449
}
450
 
451
static void
452
gen7_disable_te(struct sna *sna)
453
{
454
	OUT_BATCH(GEN7_3DSTATE_TE | (4 - 2));
455
	OUT_BATCH(0);
456
	OUT_BATCH(0);
457
	OUT_BATCH(0);
458
}
459
 
460
static void
461
gen7_disable_ds(struct sna *sna)
462
{
463
	OUT_BATCH(GEN7_3DSTATE_DS | (6 - 2));
464
	OUT_BATCH(0);
465
	OUT_BATCH(0);
466
	OUT_BATCH(0);
467
	OUT_BATCH(0);
468
	OUT_BATCH(0);
469
 
470
#if 0
471
	OUT_BATCH(GEN7_3DSTATE_CONSTANT_DS | (7 - 2));
472
	OUT_BATCH(0);
473
	OUT_BATCH(0);
474
	OUT_BATCH(0);
475
	OUT_BATCH(0);
476
	OUT_BATCH(0);
477
	OUT_BATCH(0);
478
 
479
	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_DS | (2 - 2));
480
	OUT_BATCH(0);
481
 
482
	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_DS | (2 - 2));
483
	OUT_BATCH(0);
484
#endif
485
}
486
 
487
static void
488
gen7_disable_gs(struct sna *sna)
489
{
490
	OUT_BATCH(GEN7_3DSTATE_GS | (7 - 2));
491
	OUT_BATCH(0); /* no GS kernel */
492
	OUT_BATCH(0);
493
	OUT_BATCH(0);
494
	OUT_BATCH(0);
495
	OUT_BATCH(0);
496
	OUT_BATCH(0); /* pass-through */
497
 
498
#if 0
499
	OUT_BATCH(GEN7_3DSTATE_CONSTANT_GS | (7 - 2));
500
	OUT_BATCH(0);
501
	OUT_BATCH(0);
502
	OUT_BATCH(0);
503
	OUT_BATCH(0);
504
	OUT_BATCH(0);
505
	OUT_BATCH(0);
506
 
507
	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_GS | (2 - 2));
508
	OUT_BATCH(0);
509
 
510
	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_GS | (2 - 2));
511
	OUT_BATCH(0);
512
#endif
513
}
514
 
515
static void
516
gen7_disable_streamout(struct sna *sna)
517
{
518
	OUT_BATCH(GEN7_3DSTATE_STREAMOUT | (3 - 2));
519
	OUT_BATCH(0);
520
	OUT_BATCH(0);
521
}
522
 
523
static void
524
gen7_emit_sf_invariant(struct sna *sna)
525
{
526
	OUT_BATCH(GEN7_3DSTATE_SF | (7 - 2));
527
	OUT_BATCH(0);
528
	OUT_BATCH(GEN7_3DSTATE_SF_CULL_NONE);
529
	OUT_BATCH(2 << GEN7_3DSTATE_SF_TRIFAN_PROVOKE_SHIFT);
530
	OUT_BATCH(0);
531
	OUT_BATCH(0);
532
	OUT_BATCH(0);
533
}
534
 
535
static void
536
gen7_emit_cc_invariant(struct sna *sna)
537
{
538
#if 0 /* unused, no change */
539
	OUT_BATCH(GEN7_3DSTATE_CC_STATE_POINTERS | (2 - 2));
540
	OUT_BATCH(0);
541
 
542
	OUT_BATCH(GEN7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS | (2 - 2));
543
	OUT_BATCH(0);
544
#endif
545
 
546
	/* XXX clear to be safe */
547
	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_CC | (2 - 2));
548
	OUT_BATCH(0);
549
}
550
 
551
static void
552
gen7_disable_clip(struct sna *sna)
553
{
554
	OUT_BATCH(GEN7_3DSTATE_CLIP | (4 - 2));
555
	OUT_BATCH(0);
556
	OUT_BATCH(0); /* pass-through */
557
	OUT_BATCH(0);
558
 
559
	OUT_BATCH(GEN7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CL | (2 - 2));
560
	OUT_BATCH(0);
561
}
562
 
563
static void
564
gen7_emit_wm_invariant(struct sna *sna)
565
{
566
	OUT_BATCH(GEN7_3DSTATE_WM | (3 - 2));
567
	OUT_BATCH(GEN7_WM_DISPATCH_ENABLE |
568
		  GEN7_WM_PERSPECTIVE_PIXEL_BARYCENTRIC);
569
	OUT_BATCH(0);
570
 
571
#if 0
572
	/* XXX length bias of 7 in old spec? */
573
	OUT_BATCH(GEN7_3DSTATE_CONSTANT_PS | (7 - 2));
574
	OUT_BATCH(0);
575
	OUT_BATCH(0);
576
	OUT_BATCH(0);
577
	OUT_BATCH(0);
578
	OUT_BATCH(0);
579
	OUT_BATCH(0);
580
#endif
581
}
582
 
583
static void
584
gen7_emit_null_depth_buffer(struct sna *sna)
585
{
586
	OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER | (7 - 2));
587
	OUT_BATCH(GEN7_SURFACE_NULL << GEN7_3DSTATE_DEPTH_BUFFER_TYPE_SHIFT |
588
		  GEN7_DEPTHFORMAT_D32_FLOAT << GEN7_3DSTATE_DEPTH_BUFFER_FORMAT_SHIFT);
589
	OUT_BATCH(0); /* disable depth, stencil and hiz */
590
	OUT_BATCH(0);
591
	OUT_BATCH(0);
592
	OUT_BATCH(0);
593
	OUT_BATCH(0);
594
 
595
#if 0
596
	OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS | (3 - 2));
597
	OUT_BATCH(0);
598
	OUT_BATCH(0);
599
#endif
600
}
601
 
602
static void
603
gen7_emit_invariant(struct sna *sna)
604
{
605
	OUT_BATCH(GEN7_PIPELINE_SELECT | PIPELINE_SELECT_3D);
606
 
607
	OUT_BATCH(GEN7_3DSTATE_MULTISAMPLE | (4 - 2));
608
	OUT_BATCH(GEN7_3DSTATE_MULTISAMPLE_PIXEL_LOCATION_CENTER |
609
		  GEN7_3DSTATE_MULTISAMPLE_NUMSAMPLES_1); /* 1 sample/pixel */
610
	OUT_BATCH(0);
611
	OUT_BATCH(0);
612
 
613
	OUT_BATCH(GEN7_3DSTATE_SAMPLE_MASK | (2 - 2));
614
	OUT_BATCH(1);
615
 
616
	gen7_emit_urb(sna);
617
 
618
	gen7_emit_state_base_address(sna);
619
 
620
	gen7_disable_vs(sna);
621
	gen7_disable_hs(sna);
622
	gen7_disable_te(sna);
623
	gen7_disable_ds(sna);
624
	gen7_disable_gs(sna);
625
	gen7_disable_clip(sna);
626
	gen7_emit_sf_invariant(sna);
627
	gen7_emit_wm_invariant(sna);
628
	gen7_emit_cc_invariant(sna);
629
	gen7_disable_streamout(sna);
630
	gen7_emit_null_depth_buffer(sna);
631
 
632
	sna->render_state.gen7.needs_invariant = false;
633
}
634
 
635
static void
636
gen7_emit_cc(struct sna *sna, uint32_t blend_offset)
637
{
638
	struct gen7_render_state *render = &sna->render_state.gen7;
639
 
640
	if (render->blend == blend_offset)
641
		return;
642
 
643
	DBG(("%s: blend = %x\n", __FUNCTION__, blend_offset));
644
 
645
	/* XXX can have upto 8 blend states preload, selectable via
646
	 * Render Target Index. What other side-effects of Render Target Index?
647
	 */
648
 
649
	assert (is_aligned(render->cc_blend + blend_offset, 64));
650
	OUT_BATCH(GEN7_3DSTATE_BLEND_STATE_POINTERS | (2 - 2));
651
	OUT_BATCH((render->cc_blend + blend_offset) | 1);
652
 
653
	render->blend = blend_offset;
654
}
655
 
656
static void
657
gen7_emit_sampler(struct sna *sna, uint32_t state)
658
{
659
	if (sna->render_state.gen7.samplers == state)
660
		return;
661
 
662
	sna->render_state.gen7.samplers = state;
663
 
664
	DBG(("%s: sampler = %x\n", __FUNCTION__, state));
665
 
666
	assert (is_aligned(sna->render_state.gen7.wm_state + state, 32));
667
	OUT_BATCH(GEN7_3DSTATE_SAMPLER_STATE_POINTERS_PS | (2 - 2));
668
	OUT_BATCH(sna->render_state.gen7.wm_state + state);
669
}
670
 
671
static void
672
gen7_emit_sf(struct sna *sna, bool has_mask)
673
{
674
	int num_sf_outputs = has_mask ? 2 : 1;
675
 
676
	if (sna->render_state.gen7.num_sf_outputs == num_sf_outputs)
677
		return;
678
 
679
	DBG(("%s: num_sf_outputs=%d, read_length=%d, read_offset=%d\n",
680
	     __FUNCTION__, num_sf_outputs, 1, 0));
681
 
682
	sna->render_state.gen7.num_sf_outputs = num_sf_outputs;
683
 
684
	OUT_BATCH(GEN7_3DSTATE_SBE | (14 - 2));
685
	OUT_BATCH(num_sf_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT |
686
		  1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
687
		  1 << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT);
688
	OUT_BATCH(0);
689
	OUT_BATCH(0); /* dw4 */
690
	OUT_BATCH(0);
691
	OUT_BATCH(0);
692
	OUT_BATCH(0);
693
	OUT_BATCH(0); /* dw8 */
694
	OUT_BATCH(0);
695
	OUT_BATCH(0);
696
	OUT_BATCH(0);
697
	OUT_BATCH(0); /* dw12 */
698
	OUT_BATCH(0);
699
	OUT_BATCH(0);
700
}
701
 
702
static void
703
gen7_emit_wm(struct sna *sna, int kernel)
704
{
705
	const uint32_t *kernels;
706
 
707
	if (sna->render_state.gen7.kernel == kernel)
708
		return;
709
 
710
	sna->render_state.gen7.kernel = kernel;
711
	kernels = sna->render_state.gen7.wm_kernel[kernel];
712
 
713
	DBG(("%s: switching to %s, num_surfaces=%d (8-wide? %d, 16-wide? %d, 32-wide? %d)\n",
714
	     __FUNCTION__,
715
	     wm_kernels[kernel].name,
716
	     wm_kernels[kernel].num_surfaces,
717
	     kernels[0], kernels[1], kernels[2]));
718
 
719
	OUT_BATCH(GEN7_3DSTATE_PS | (8 - 2));
720
	OUT_BATCH(kernels[0] ?: kernels[1] ?: kernels[2]);
721
	OUT_BATCH(1 << GEN7_PS_SAMPLER_COUNT_SHIFT |
722
		  wm_kernels[kernel].num_surfaces << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT);
723
	OUT_BATCH(0); /* scratch address */
724
	OUT_BATCH(sna->render_state.gen7.info->max_wm_threads |
725
		  (kernels[0] ? GEN7_PS_8_DISPATCH_ENABLE : 0) |
726
		  (kernels[1] ? GEN7_PS_16_DISPATCH_ENABLE : 0) |
727
		  (kernels[2] ? GEN7_PS_32_DISPATCH_ENABLE : 0) |
728
		  GEN7_PS_ATTRIBUTE_ENABLE);
729
	OUT_BATCH((kernels[0] ? 4 : kernels[1] ? 6 : 8) << GEN7_PS_DISPATCH_START_GRF_SHIFT_0 |
730
		  8 << GEN7_PS_DISPATCH_START_GRF_SHIFT_1 |
731
		  6 << GEN7_PS_DISPATCH_START_GRF_SHIFT_2);
732
	OUT_BATCH(kernels[2]);
733
	OUT_BATCH(kernels[1]);
734
}
735
 
736
static bool
737
gen7_emit_binding_table(struct sna *sna, uint16_t offset)
738
{
739
	if (sna->render_state.gen7.surface_table == offset)
740
		return false;
741
 
742
	/* Binding table pointers */
743
	assert(is_aligned(4*offset, 32));
744
	OUT_BATCH(GEN7_3DSTATE_BINDING_TABLE_POINTERS_PS | (2 - 2));
745
	OUT_BATCH(offset*4);
746
 
747
	sna->render_state.gen7.surface_table = offset;
748
	return true;
749
}
750
 
751
static bool
752
gen7_emit_drawing_rectangle(struct sna *sna,
753
			    const struct sna_composite_op *op)
754
{
755
	uint32_t limit = (op->dst.height - 1) << 16 | (op->dst.width - 1);
756
	uint32_t offset = (uint16_t)op->dst.y << 16 | (uint16_t)op->dst.x;
757
 
758
	assert(!too_large(op->dst.x, op->dst.y));
759
	assert(!too_large(op->dst.width, op->dst.height));
760
 
761
	if (sna->render_state.gen7.drawrect_limit == limit &&
762
	    sna->render_state.gen7.drawrect_offset == offset)
763
		return true;
764
 
765
	sna->render_state.gen7.drawrect_offset = offset;
766
	sna->render_state.gen7.drawrect_limit = limit;
767
 
768
	OUT_BATCH(GEN7_3DSTATE_DRAWING_RECTANGLE | (4 - 2));
769
	OUT_BATCH(0);
770
	OUT_BATCH(limit);
771
	OUT_BATCH(offset);
772
	return false;
773
}
774
 
775
static void
776
gen7_emit_vertex_elements(struct sna *sna,
777
			  const struct sna_composite_op *op)
778
{
779
	/*
780
	 * vertex data in vertex buffer
781
	 *    position: (x, y)
782
	 *    texture coordinate 0: (u0, v0) if (is_affine is true) else (u0, v0, w0)
783
	 *    texture coordinate 1 if (has_mask is true): same as above
784
	 */
785
	struct gen7_render_state *render = &sna->render_state.gen7;
786
	uint32_t src_format, dw;
787
	int id = GEN7_VERTEX(op->u.gen7.flags);
788
	bool has_mask;
789
 
790
	DBG(("%s: setup id=%d\n", __FUNCTION__, id));
791
 
792
	if (render->ve_id == id)
793
		return;
794
	render->ve_id = id;
795
 
796
	/* The VUE layout
797
	 *    dword 0-3: pad (0.0, 0.0, 0.0. 0.0)
798
	 *    dword 4-7: position (x, y, 1.0, 1.0),
799
	 *    dword 8-11: texture coordinate 0 (u0, v0, w0, 1.0)
800
	 *    dword 12-15: texture coordinate 1 (u1, v1, w1, 1.0)
801
	 *
802
	 * dword 4-15 are fetched from vertex buffer
803
	 */
804
	has_mask = (id >> 2) != 0;
805
	OUT_BATCH(GEN7_3DSTATE_VERTEX_ELEMENTS |
806
		((2 * (3 + has_mask)) + 1 - 2));
807
 
808
	OUT_BATCH(id << GEN7_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN7_VE0_VALID |
809
		  GEN7_SURFACEFORMAT_R32G32B32A32_FLOAT << GEN7_VE0_FORMAT_SHIFT |
810
 
811
	OUT_BATCH(GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_0_SHIFT |
812
		  GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_1_SHIFT |
813
		  GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT |
814
		  GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_3_SHIFT);
815
 
816
	/* x,y */
817
	OUT_BATCH(id << GEN7_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN7_VE0_VALID |
818
		  GEN7_SURFACEFORMAT_R16G16_SSCALED << GEN7_VE0_FORMAT_SHIFT |
819
 
820
	OUT_BATCH(GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT |
821
		  GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT |
822
		  GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT |
823
		  GEN7_VFCOMPONENT_STORE_1_FLT << GEN7_VE1_VFCOMPONENT_3_SHIFT);
824
 
825
	/* u0, v0, w0 */
826
	DBG(("%s: first channel %d floats, offset=4b\n", __FUNCTION__, id & 3));
827
	dw = GEN7_VFCOMPONENT_STORE_1_FLT << GEN7_VE1_VFCOMPONENT_3_SHIFT;
828
	switch (id & 3) {
829
	default:
830
		assert(0);
831
	case 0:
832
		src_format = GEN7_SURFACEFORMAT_R16G16_SSCALED;
833
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
834
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT;
835
		dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT;
836
		break;
837
	case 1:
838
		src_format = GEN7_SURFACEFORMAT_R32_FLOAT;
839
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
840
		dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_1_SHIFT;
841
		dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT;
842
		break;
843
	case 2:
844
		src_format = GEN7_SURFACEFORMAT_R32G32_FLOAT;
845
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
846
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT;
847
		dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT;
848
		break;
849
	case 3:
850
		src_format = GEN7_SURFACEFORMAT_R32G32B32_FLOAT;
851
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
852
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT;
853
		dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_2_SHIFT;
854
		break;
855
	}
856
	OUT_BATCH(id << GEN7_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN7_VE0_VALID |
857
		  src_format << GEN7_VE0_FORMAT_SHIFT |
858
		  4 << GEN7_VE0_OFFSET_SHIFT);
859
	OUT_BATCH(dw);
860
 
861
	/* u1, v1, w1 */
862
	if (has_mask) {
863
		unsigned offset = 4 + ((id & 3) ?: 1) * sizeof(float);
864
		DBG(("%s: second channel %d floats, offset=%db\n", __FUNCTION__, id >> 2, offset));
865
		dw = GEN7_VFCOMPONENT_STORE_1_FLT << GEN7_VE1_VFCOMPONENT_3_SHIFT;
866
		switch (id >> 2) {
867
		case 1:
868
			src_format = GEN7_SURFACEFORMAT_R32_FLOAT;
869
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
870
			dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_1_SHIFT;
871
			dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT;
872
			break;
873
		default:
874
			assert(0);
875
		case 2:
876
			src_format = GEN7_SURFACEFORMAT_R32G32_FLOAT;
877
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
878
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT;
879
			dw |= GEN7_VFCOMPONENT_STORE_0 << GEN7_VE1_VFCOMPONENT_2_SHIFT;
880
			break;
881
		case 3:
882
			src_format = GEN7_SURFACEFORMAT_R32G32B32_FLOAT;
883
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_0_SHIFT;
884
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_1_SHIFT;
885
			dw |= GEN7_VFCOMPONENT_STORE_SRC << GEN7_VE1_VFCOMPONENT_2_SHIFT;
886
			break;
887
		}
888
		OUT_BATCH(id << GEN7_VE0_VERTEX_BUFFER_INDEX_SHIFT | GEN7_VE0_VALID |
889
			  src_format << GEN7_VE0_FORMAT_SHIFT |
890
			  offset << GEN7_VE0_OFFSET_SHIFT);
891
		OUT_BATCH(dw);
892
	}
893
}
894
 
895
inline static void
896
gen7_emit_pipe_invalidate(struct sna *sna)
897
{
898
	OUT_BATCH(GEN7_PIPE_CONTROL | (4 - 2));
899
	OUT_BATCH(GEN7_PIPE_CONTROL_WC_FLUSH |
900
		  GEN7_PIPE_CONTROL_TC_FLUSH |
901
		  GEN7_PIPE_CONTROL_CS_STALL);
902
	OUT_BATCH(0);
903
	OUT_BATCH(0);
904
}
905
 
906
inline static void
907
gen7_emit_pipe_flush(struct sna *sna)
908
{
909
	OUT_BATCH(GEN7_PIPE_CONTROL | (4 - 2));
910
	OUT_BATCH(GEN7_PIPE_CONTROL_WC_FLUSH);
911
	OUT_BATCH(0);
912
	OUT_BATCH(0);
913
}
914
 
915
inline static void
916
gen7_emit_pipe_stall(struct sna *sna)
917
{
918
	OUT_BATCH(GEN7_PIPE_CONTROL | (4 - 2));
919
	OUT_BATCH(GEN7_PIPE_CONTROL_CS_STALL |
920
		  GEN7_PIPE_CONTROL_STALL_AT_SCOREBOARD);
921
	OUT_BATCH(0);
922
	OUT_BATCH(0);
923
}
924
 
925
static void
926
gen7_emit_state(struct sna *sna,
927
		const struct sna_composite_op *op,
928
		uint16_t wm_binding_table)
929
{
930
	bool need_stall;
931
 
932
	if (sna->render_state.gen7.emit_flush)
933
		gen7_emit_pipe_flush(sna);
934
 
935
	gen7_emit_cc(sna, GEN7_BLEND(op->u.gen7.flags));
936
	gen7_emit_sampler(sna, GEN7_SAMPLER(op->u.gen7.flags));
937
	gen7_emit_sf(sna, GEN7_VERTEX(op->u.gen7.flags) >> 2);
938
	gen7_emit_wm(sna, GEN7_KERNEL(op->u.gen7.flags));
939
	gen7_emit_vertex_elements(sna, op);
940
 
941
	need_stall = gen7_emit_binding_table(sna, wm_binding_table);
942
	need_stall &= gen7_emit_drawing_rectangle(sna, op);
943
 
944
	if (kgem_bo_is_dirty(op->src.bo) || kgem_bo_is_dirty(op->mask.bo)) {
945
		gen7_emit_pipe_invalidate(sna);
946
		kgem_clear_dirty(&sna->kgem);
947
		if (op->dst.bo->exec)
948
			kgem_bo_mark_dirty(op->dst.bo);
949
		need_stall = false;
950
	}
951
	if (need_stall)
952
		gen7_emit_pipe_stall(sna);
953
 
954
	sna->render_state.gen7.emit_flush = GEN7_READS_DST(op->u.gen7.flags);
955
}
956
 
957
static bool gen7_magic_ca_pass(struct sna *sna,
958
			       const struct sna_composite_op *op)
959
{
960
	struct gen7_render_state *state = &sna->render_state.gen7;
961
 
962
	if (!op->need_magic_ca_pass)
963
		return false;
964
 
965
	DBG(("%s: CA fixup (%d -> %d)\n", __FUNCTION__,
966
	     sna->render.vertex_start, sna->render.vertex_index));
967
 
968
	gen7_emit_pipe_stall(sna);
969
 
970
	gen7_emit_cc(sna,
971
		     GEN7_BLEND(gen7_get_blend(PictOpAdd, true,
972
					       op->dst.format)));
973
	gen7_emit_wm(sna,
974
		     gen7_choose_composite_kernel(PictOpAdd,
975
						  true, true,
976
						  op->is_affine));
977
 
978
	OUT_BATCH(GEN7_3DPRIMITIVE | (7- 2));
979
	OUT_BATCH(GEN7_3DPRIMITIVE_VERTEX_SEQUENTIAL | _3DPRIM_RECTLIST);
980
	OUT_BATCH(sna->render.vertex_index - sna->render.vertex_start);
981
	OUT_BATCH(sna->render.vertex_start);
982
	OUT_BATCH(1);	/* single instance */
983
	OUT_BATCH(0);	/* start instance location */
984
	OUT_BATCH(0);	/* index buffer offset, ignored */
985
 
986
	state->last_primitive = sna->kgem.nbatch;
987
	return true;
988
}
989
 
990
static void null_create(struct sna_static_stream *stream)
991
{
992
	/* A bunch of zeros useful for legacy border color and depth-stencil */
993
	sna_static_stream_map(stream, 64, 64);
994
}
995
 
996
static void
997
sampler_state_init(struct gen7_sampler_state *sampler_state,
998
		   sampler_filter_t filter,
999
		   sampler_extend_t extend)
1000
{
1001
	sampler_state->ss0.lod_preclamp = 1;	/* GL mode */
1002
 
1003
	/* We use the legacy mode to get the semantics specified by
1004
	 * the Render extension. */
1005
	sampler_state->ss0.default_color_mode = GEN7_BORDER_COLOR_MODE_LEGACY;
1006
 
1007
	switch (filter) {
1008
	default:
1009
	case SAMPLER_FILTER_NEAREST:
1010
		sampler_state->ss0.min_filter = GEN7_MAPFILTER_NEAREST;
1011
		sampler_state->ss0.mag_filter = GEN7_MAPFILTER_NEAREST;
1012
		break;
1013
	case SAMPLER_FILTER_BILINEAR:
1014
		sampler_state->ss0.min_filter = GEN7_MAPFILTER_LINEAR;
1015
		sampler_state->ss0.mag_filter = GEN7_MAPFILTER_LINEAR;
1016
		break;
1017
	}
1018
 
1019
	switch (extend) {
1020
	default:
1021
	case SAMPLER_EXTEND_NONE:
1022
		sampler_state->ss3.r_wrap_mode = GEN7_TEXCOORDMODE_CLAMP_BORDER;
1023
		sampler_state->ss3.s_wrap_mode = GEN7_TEXCOORDMODE_CLAMP_BORDER;
1024
		sampler_state->ss3.t_wrap_mode = GEN7_TEXCOORDMODE_CLAMP_BORDER;
1025
		break;
1026
	case SAMPLER_EXTEND_REPEAT:
1027
		sampler_state->ss3.r_wrap_mode = GEN7_TEXCOORDMODE_WRAP;
1028
		sampler_state->ss3.s_wrap_mode = GEN7_TEXCOORDMODE_WRAP;
1029
		sampler_state->ss3.t_wrap_mode = GEN7_TEXCOORDMODE_WRAP;
1030
		break;
1031
	case SAMPLER_EXTEND_PAD:
1032
		sampler_state->ss3.r_wrap_mode = GEN7_TEXCOORDMODE_CLAMP;
1033
		sampler_state->ss3.s_wrap_mode = GEN7_TEXCOORDMODE_CLAMP;
1034
		sampler_state->ss3.t_wrap_mode = GEN7_TEXCOORDMODE_CLAMP;
1035
		break;
1036
	case SAMPLER_EXTEND_REFLECT:
1037
		sampler_state->ss3.r_wrap_mode = GEN7_TEXCOORDMODE_MIRROR;
1038
		sampler_state->ss3.s_wrap_mode = GEN7_TEXCOORDMODE_MIRROR;
1039
		sampler_state->ss3.t_wrap_mode = GEN7_TEXCOORDMODE_MIRROR;
1040
		break;
1041
	}
1042
}
1043
 
1044
static void
1045
sampler_copy_init(struct gen7_sampler_state *ss)
1046
{
1047
	sampler_state_init(ss, SAMPLER_FILTER_NEAREST, SAMPLER_EXTEND_NONE);
1048
	ss->ss3.non_normalized_coord = 1;
1049
 
1050
	sampler_state_init(ss+1, SAMPLER_FILTER_NEAREST, SAMPLER_EXTEND_NONE);
1051
}
1052
 
1053
static void
1054
sampler_fill_init(struct gen7_sampler_state *ss)
1055
{
1056
	sampler_state_init(ss, SAMPLER_FILTER_NEAREST, SAMPLER_EXTEND_REPEAT);
1057
	ss->ss3.non_normalized_coord = 1;
1058
 
1059
	sampler_state_init(ss+1, SAMPLER_FILTER_NEAREST, SAMPLER_EXTEND_NONE);
1060
}
1061
 
1062
static uint32_t
1063
gen7_tiling_bits(uint32_t tiling)
1064
{
1065
	switch (tiling) {
1066
	default: assert(0);
1067
	case I915_TILING_NONE: return 0;
1068
	case I915_TILING_X: return GEN7_SURFACE_TILED;
1069
	case I915_TILING_Y: return GEN7_SURFACE_TILED | GEN7_SURFACE_TILED_Y;
1070
	}
1071
}
1072
 
1073
/**
1074
 * Sets up the common fields for a surface state buffer for the given
1075
 * picture in the given surface state buffer.
1076
 */
1077
static uint32_t
1078
gen7_bind_bo(struct sna *sna,
1079
	     struct kgem_bo *bo,
1080
	     uint32_t width,
1081
	     uint32_t height,
1082
	     uint32_t format,
1083
	     bool is_dst)
1084
{
1085
	uint32_t *ss;
1086
	uint32_t domains;
1087
	int offset;
1088
	uint32_t is_scanout = is_dst && bo->scanout;
1089
 
1090
	COMPILE_TIME_ASSERT(sizeof(struct gen7_surface_state) == 32);
1091
 
1092
	/* After the first bind, we manage the cache domains within the batch */
1093
	offset = kgem_bo_get_binding(bo, format | is_scanout << 31);
1094
	if (offset) {
1095
		if (is_dst)
1096
			kgem_bo_mark_dirty(bo);
1097
		return offset * sizeof(uint32_t);
1098
	}
1099
 
1100
	offset = sna->kgem.surface -=
1101
		sizeof(struct gen7_surface_state) / sizeof(uint32_t);
1102
	ss = sna->kgem.batch + offset;
1103
	ss[0] = (GEN7_SURFACE_2D << GEN7_SURFACE_TYPE_SHIFT |
1104
		 gen7_tiling_bits(bo->tiling) |
1105
		 format << GEN7_SURFACE_FORMAT_SHIFT);
1106
	if (is_dst)
1107
		domains = I915_GEM_DOMAIN_RENDER << 16 |I915_GEM_DOMAIN_RENDER;
1108
	else
1109
		domains = I915_GEM_DOMAIN_SAMPLER << 16;
1110
	ss[1] = kgem_add_reloc(&sna->kgem, offset + 1, bo, domains, 0);
1111
	ss[2] = ((width - 1)  << GEN7_SURFACE_WIDTH_SHIFT |
1112
		 (height - 1) << GEN7_SURFACE_HEIGHT_SHIFT);
1113
	ss[3] = (bo->pitch - 1) << GEN7_SURFACE_PITCH_SHIFT;
1114
	ss[4] = 0;
1115
	ss[5] = is_scanout ? 0 : 3 << 16;
1116
	ss[6] = 0;
1117
	ss[7] = 0;
1118
	if (sna->kgem.gen == 075)
1119
		ss[7] |= HSW_SURFACE_SWIZZLE(RED, GREEN, BLUE, ALPHA);
1120
 
1121
	kgem_bo_set_binding(bo, format | is_scanout << 31, offset);
1122
 
1123
	DBG(("[%x] bind bo(handle=%d, addr=%d), format=%d, width=%d, height=%d, pitch=%d, tiling=%d -> %s\n",
1124
	     offset, bo->handle, ss[1],
1125
	     format, width, height, bo->pitch, bo->tiling,
1126
	     domains & 0xffff ? "render" : "sampler"));
1127
 
1128
	return offset * sizeof(uint32_t);
1129
}
1130
 
1131
static void gen7_emit_vertex_buffer(struct sna *sna,
1132
				    const struct sna_composite_op *op)
1133
{
1134
	int id = GEN7_VERTEX(op->u.gen7.flags);
1135
 
1136
	OUT_BATCH(GEN7_3DSTATE_VERTEX_BUFFERS | (5 - 2));
1137
	OUT_BATCH(id << GEN7_VB0_BUFFER_INDEX_SHIFT |
1138
		  GEN7_VB0_VERTEXDATA |
1139
		  GEN7_VB0_ADDRESS_MODIFY_ENABLE |
1140
		  4*op->floats_per_vertex << GEN7_VB0_BUFFER_PITCH_SHIFT);
1141
	sna->render.vertex_reloc[sna->render.nvertex_reloc++] = sna->kgem.nbatch;
1142
	OUT_BATCH(0);
1143
	OUT_BATCH(~0); /* max address: disabled */
1144
	OUT_BATCH(0);
1145
 
1146
	sna->render.vb_id |= 1 << id;
1147
}
1148
 
1149
static void gen7_emit_primitive(struct sna *sna)
1150
{
1151
	if (sna->kgem.nbatch == sna->render_state.gen7.last_primitive) {
1152
		sna->render.vertex_offset = sna->kgem.nbatch - 5;
1153
		return;
1154
	}
1155
 
1156
	OUT_BATCH(GEN7_3DPRIMITIVE | (7- 2));
1157
	OUT_BATCH(GEN7_3DPRIMITIVE_VERTEX_SEQUENTIAL | _3DPRIM_RECTLIST);
1158
	sna->render.vertex_offset = sna->kgem.nbatch;
1159
	OUT_BATCH(0);	/* vertex count, to be filled in later */
1160
	OUT_BATCH(sna->render.vertex_index);
1161
	OUT_BATCH(1);	/* single instance */
1162
	OUT_BATCH(0);	/* start instance location */
1163
	OUT_BATCH(0);	/* index buffer offset, ignored */
1164
	sna->render.vertex_start = sna->render.vertex_index;
1165
 
1166
	sna->render_state.gen7.last_primitive = sna->kgem.nbatch;
1167
}
1168
 
1169
static bool gen7_rectangle_begin(struct sna *sna,
1170
				 const struct sna_composite_op *op)
1171
{
1172
	int id = 1 << GEN7_VERTEX(op->u.gen7.flags);
1173
	int ndwords;
1174
 
1175
	if (sna_vertex_wait__locked(&sna->render) && sna->render.vertex_offset)
1176
		return true;
1177
 
1178
	ndwords = op->need_magic_ca_pass ? 60 : 6;
1179
	if ((sna->render.vb_id & id) == 0)
1180
		ndwords += 5;
1181
	if (!kgem_check_batch(&sna->kgem, ndwords))
1182
		return false;
1183
 
1184
	if ((sna->render.vb_id & id) == 0)
1185
		gen7_emit_vertex_buffer(sna, op);
1186
 
1187
	gen7_emit_primitive(sna);
1188
	return true;
1189
}
1190
 
1191
static int gen7_get_rectangles__flush(struct sna *sna,
1192
				      const struct sna_composite_op *op)
1193
{
1194
	/* Preventing discarding new vbo after lock contention */
1195
	if (sna_vertex_wait__locked(&sna->render)) {
1196
		int rem = vertex_space(sna);
1197
		if (rem > op->floats_per_rect)
1198
			return rem;
1199
	}
1200
 
1201
	if (!kgem_check_batch(&sna->kgem, op->need_magic_ca_pass ? 65 : 6))
1202
		return 0;
1203
	if (!kgem_check_reloc_and_exec(&sna->kgem, 2))
1204
		return 0;
1205
 
1206
	if (sna->render.vertex_offset) {
1207
		gen4_vertex_flush(sna);
1208
		if (gen7_magic_ca_pass(sna, op)) {
1209
			gen7_emit_pipe_stall(sna);
1210
			gen7_emit_cc(sna, GEN7_BLEND(op->u.gen7.flags));
1211
			gen7_emit_wm(sna, GEN7_KERNEL(op->u.gen7.flags));
1212
		}
1213
	}
1214
 
1215
	return gen4_vertex_finish(sna);
1216
}
1217
 
1218
inline static int gen7_get_rectangles(struct sna *sna,
1219
				      const struct sna_composite_op *op,
1220
				      int want,
1221
				      void (*emit_state)(struct sna *sna, const struct sna_composite_op *op))
1222
{
1223
	int rem;
1224
 
1225
	assert(want);
1226
 
1227
start:
1228
	rem = vertex_space(sna);
1229
	if (unlikely(rem < op->floats_per_rect)) {
1230
		DBG(("flushing vbo for %s: %d < %d\n",
1231
		     __FUNCTION__, rem, op->floats_per_rect));
1232
		rem = gen7_get_rectangles__flush(sna, op);
1233
		if (unlikely(rem == 0))
1234
			goto flush;
1235
	}
1236
 
1237
	if (unlikely(sna->render.vertex_offset == 0)) {
1238
		if (!gen7_rectangle_begin(sna, op))
1239
			goto flush;
1240
		else
1241
			goto start;
1242
	}
1243
 
1244
	assert(op->floats_per_rect >= vertex_space(sna));
1245
	assert(rem <= vertex_space(sna));
1246
	if (want > 1 && want * op->floats_per_rect > rem)
1247
		want = rem / op->floats_per_rect;
1248
 
1249
	assert(want > 0);
1250
	sna->render.vertex_index += 3*want;
1251
	return want;
1252
 
1253
flush:
1254
	if (sna->render.vertex_offset) {
1255
		gen4_vertex_flush(sna);
1256
		gen7_magic_ca_pass(sna, op);
1257
	}
1258
	sna_vertex_wait__locked(&sna->render);
1259
	_kgem_submit(&sna->kgem);
1260
	emit_state(sna, op);
1261
	goto start;
1262
}
1263
 
1264
inline static uint32_t *gen7_composite_get_binding_table(struct sna *sna,
1265
							 uint16_t *offset)
1266
{
1267
	uint32_t *table;
1268
 
1269
	sna->kgem.surface -=
1270
		sizeof(struct gen7_surface_state) / sizeof(uint32_t);
1271
	/* Clear all surplus entries to zero in case of prefetch */
1272
	table = memset(sna->kgem.batch + sna->kgem.surface,
1273
		       0, sizeof(struct gen7_surface_state));
1274
 
1275
	DBG(("%s(%x)\n", __FUNCTION__, 4*sna->kgem.surface));
1276
 
1277
	*offset = sna->kgem.surface;
1278
	return table;
1279
}
1280
 
1281
static void
1282
gen7_get_batch(struct sna *sna, const struct sna_composite_op *op)
1283
{
1284
	kgem_set_mode(&sna->kgem, KGEM_RENDER, op->dst.bo);
1285
 
1286
	if (!kgem_check_batch_with_surfaces(&sna->kgem, 150, 4)) {
1287
		DBG(("%s: flushing batch: %d < %d+%d\n",
1288
		     __FUNCTION__, sna->kgem.surface - sna->kgem.nbatch,
1289
		     150, 4*8));
1290
		_kgem_submit(&sna->kgem);
1291
		_kgem_set_mode(&sna->kgem, KGEM_RENDER);
1292
	}
1293
 
1294
	assert(sna->kgem.mode == KGEM_RENDER);
1295
	assert(sna->kgem.ring == KGEM_RENDER);
1296
 
1297
	if (sna->render_state.gen7.needs_invariant)
1298
		gen7_emit_invariant(sna);
1299
}
1300
 
1301
static void gen7_emit_composite_state(struct sna *sna,
1302
				      const struct sna_composite_op *op)
1303
{
1304
	uint32_t *binding_table;
1305
	uint16_t offset;
1306
 
1307
	gen7_get_batch(sna, op);
1308
 
1309
	binding_table = gen7_composite_get_binding_table(sna, &offset);
1310
 
1311
	binding_table[0] =
1312
		gen7_bind_bo(sna,
1313
			    op->dst.bo, op->dst.width, op->dst.height,
1314
			    gen7_get_dest_format(op->dst.format),
1315
			    true);
1316
	binding_table[1] =
1317
		gen7_bind_bo(sna,
1318
			     op->src.bo, op->src.width, op->src.height,
1319
			     op->src.card_format,
1320
			     false);
1321
	if (op->mask.bo) {
1322
		binding_table[2] =
1323
			gen7_bind_bo(sna,
1324
				     op->mask.bo,
1325
				     op->mask.width,
1326
				     op->mask.height,
1327
				     op->mask.card_format,
1328
				     false);
1329
	}
1330
 
1331
	if (sna->kgem.surface == offset &&
1332
	    *(uint64_t *)(sna->kgem.batch + sna->render_state.gen7.surface_table) == *(uint64_t*)binding_table &&
1333
	    (op->mask.bo == NULL ||
1334
	     sna->kgem.batch[sna->render_state.gen7.surface_table+2] == binding_table[2])) {
1335
		sna->kgem.surface += sizeof(struct gen7_surface_state) / sizeof(uint32_t);
1336
		offset = sna->render_state.gen7.surface_table;
1337
	}
1338
 
1339
	gen7_emit_state(sna, op, offset);
1340
}
1341
 
1342
static void
1343
gen7_align_vertex(struct sna *sna, const struct sna_composite_op *op)
1344
{
1345
	if (op->floats_per_vertex != sna->render_state.gen7.floats_per_vertex) {
1346
		if (sna->render.vertex_size - sna->render.vertex_used < 2*op->floats_per_rect)
1347
			gen4_vertex_finish(sna);
1348
 
1349
		DBG(("aligning vertex: was %d, now %d floats per vertex, %d->%d\n",
1350
		     sna->render_state.gen7.floats_per_vertex,
1351
		     op->floats_per_vertex,
1352
		     sna->render.vertex_index,
1353
		     (sna->render.vertex_used + op->floats_per_vertex - 1) / op->floats_per_vertex));
1354
		sna->render.vertex_index = (sna->render.vertex_used + op->floats_per_vertex - 1) / op->floats_per_vertex;
1355
		sna->render.vertex_used = sna->render.vertex_index * op->floats_per_vertex;
1356
		sna->render_state.gen7.floats_per_vertex = op->floats_per_vertex;
1357
	}
1358
}
1359
 
1360
static uint32_t
1361
gen7_composite_create_blend_state(struct sna_static_stream *stream)
1362
{
1363
	char *base, *ptr;
1364
	int src, dst;
1365
 
1366
	base = sna_static_stream_map(stream,
1367
				     GEN7_BLENDFACTOR_COUNT * GEN7_BLENDFACTOR_COUNT * GEN7_BLEND_STATE_PADDED_SIZE,
1368
				     64);
1369
 
1370
	ptr = base;
1371
	for (src = 0; src < GEN7_BLENDFACTOR_COUNT; src++) {
1372
		for (dst= 0; dst < GEN7_BLENDFACTOR_COUNT; dst++) {
1373
			struct gen7_blend_state *blend =
1374
				(struct gen7_blend_state *)ptr;
1375
 
1376
			blend->blend0.dest_blend_factor = dst;
1377
			blend->blend0.source_blend_factor = src;
1378
			blend->blend0.blend_func = GEN7_BLENDFUNCTION_ADD;
1379
			blend->blend0.blend_enable =
1380
				!(dst == GEN7_BLENDFACTOR_ZERO && src == GEN7_BLENDFACTOR_ONE);
1381
 
1382
			blend->blend1.post_blend_clamp_enable = 1;
1383
			blend->blend1.pre_blend_clamp_enable = 1;
1384
 
1385
			ptr += GEN7_BLEND_STATE_PADDED_SIZE;
1386
		}
1387
	}
1388
 
1389
	return sna_static_stream_offsetof(stream, base);
1390
}
1391
 
1392
 
1393
fastcall static void
1394
gen7_render_composite_blt(struct sna *sna,
1395
			  const struct sna_composite_op *op,
1396
			  const struct sna_composite_rectangles *r)
1397
{
1398
	gen7_get_rectangles(sna, op, 1, gen7_emit_composite_state);
1399
	op->prim_emit(sna, op, r);
1400
}
1401
 
1402
static void gen7_render_composite_done(struct sna *sna,
1403
				       const struct sna_composite_op *op)
1404
{
1405
	if (sna->render.vertex_offset) {
1406
		gen4_vertex_flush(sna);
1407
		gen7_magic_ca_pass(sna, op);
1408
	}
1409
}
1410
 
1411
 
1412
static bool
1413
gen7_blit_tex(struct sna *sna,
1414
              uint8_t op,
1415
		      PixmapPtr src, struct kgem_bo *src_bo,
1416
		      PixmapPtr mask,struct kgem_bo *mask_bo,
1417
		      PixmapPtr dst, struct kgem_bo *dst_bo,
1418
              int32_t src_x, int32_t src_y,
1419
              int32_t msk_x, int32_t msk_y,
1420
              int32_t dst_x, int32_t dst_y,
1421
              int32_t width, int32_t height,
1422
              struct sna_composite_op *tmp)
1423
{
1424
 
1425
 
1426
    tmp->op = PictOpSrc;
1427
 
1428
    tmp->dst.pixmap = dst;
1429
    tmp->dst.bo     = dst_bo;
1430
    tmp->dst.width  = dst->drawable.width;
1431
    tmp->dst.height = dst->drawable.height;
1432
    tmp->dst.format = PICT_x8r8g8b8;
1433
 
1434
 
1435
	tmp->src.repeat = RepeatNone;
1436
	tmp->src.filter = PictFilterNearest;
1437
    tmp->src.is_affine = true;
1438
 
1439
    tmp->src.bo = src_bo;
1440
	tmp->src.pict_format = PICT_x8r8g8b8;
1441
    tmp->src.card_format = gen7_get_card_format(tmp->src.pict_format);
1442
    tmp->src.width  = src->drawable.width;
1443
    tmp->src.height = src->drawable.height;
1444
 
1445
 
1446
	tmp->is_affine = tmp->src.is_affine;
1447
	tmp->has_component_alpha = false;
1448
	tmp->need_magic_ca_pass = false;
1449
 
1450
	tmp->mask.repeat = SAMPLER_EXTEND_NONE;
1451
	tmp->mask.filter = SAMPLER_FILTER_NEAREST;
1452
    tmp->mask.is_affine = true;
1453
 
1454
    tmp->mask.bo = mask_bo;
1455
    tmp->mask.pict_format = PIXMAN_a8;
1456
    tmp->mask.card_format = gen7_get_card_format(tmp->mask.pict_format);
1457
    tmp->mask.width  = mask->drawable.width;
1458
    tmp->mask.height = mask->drawable.height;
1459
 
1460
 
1461
    tmp->src.scale[0] = 1.f/width;            //src->width;
1462
    tmp->src.scale[1] = 1.f/height;            //src->height;
1463
 
1464
    tmp->mask.scale[0] = 1.f/mask->drawable.width;
1465
    tmp->mask.scale[1] = 1.f/mask->drawable.height;
1466
 
1467
 
1468
 
1469
	tmp->u.gen7.flags =
1470
		GEN7_SET_FLAGS(SAMPLER_OFFSET(tmp->src.filter,
1471
					      tmp->src.repeat,
1472
					      tmp->mask.filter,
1473
					      tmp->mask.repeat),
1474
			       gen7_get_blend(tmp->op,
1475
					      tmp->has_component_alpha,
1476
					      tmp->dst.format),
1477
/*			       gen7_choose_composite_kernel(tmp->op,
1478
							    tmp->mask.bo != NULL,
1479
							    tmp->has_component_alpha,
1480
							    tmp->is_affine), */
1481
                   GEN7_WM_KERNEL_MASK,
1482
			       gen4_choose_composite_emitter(tmp));
1483
 
1484
	tmp->blt   = gen7_render_composite_blt;
1485
//	tmp->box   = gen7_render_composite_box;
1486
	tmp->done  = gen7_render_composite_done;
1487
 
1488
	kgem_set_mode(&sna->kgem, KGEM_RENDER, tmp->dst.bo);
1489
	if (!kgem_check_bo(&sna->kgem,
1490
			   tmp->dst.bo, tmp->src.bo, tmp->mask.bo,
1491
			   NULL)) {
1492
		kgem_submit(&sna->kgem);
1493
		_kgem_set_mode(&sna->kgem, KGEM_RENDER);
1494
	}
1495
 
1496
	gen7_emit_composite_state(sna, tmp);
1497
	gen7_align_vertex(sna, tmp);
1498
	return true;
1499
}
1500
 
1501
 
1502
 
1503
 
1504
 
1505
static void gen7_render_flush(struct sna *sna)
1506
{
1507
	gen4_vertex_close(sna);
1508
 
1509
	assert(sna->render.vb_id == 0);
1510
	assert(sna->render.vertex_offset == 0);
1511
}
1512
 
1513
 
1514
 
1515
static void
1516
gen7_render_context_switch(struct kgem *kgem,
1517
			   int new_mode)
1518
{
1519
	if (kgem->nbatch) {
1520
		DBG(("%s: switch rings %d -> %d\n",
1521
		     __FUNCTION__, kgem->mode, new_mode));
1522
		_kgem_submit(kgem);
1523
	}
1524
 
1525
	kgem->ring = new_mode;
1526
}
1527
 
1528
static void
1529
gen7_render_retire(struct kgem *kgem)
1530
{
1531
	struct sna *sna;
1532
 
1533
	if (kgem->ring && (kgem->has_semaphores || !kgem->need_retire))
1534
		kgem->ring = kgem->mode;
1535
 
1536
	sna = container_of(kgem, struct sna, kgem);
1537
	if (kgem->nbatch == 0 && sna->render.vbo && !kgem_bo_is_busy(sna->render.vbo)) {
1538
		DBG(("%s: resetting idle vbo\n", __FUNCTION__));
1539
		sna->render.vertex_used = 0;
1540
		sna->render.vertex_index = 0;
1541
	}
1542
}
1543
 
1544
static void
1545
gen7_render_expire(struct kgem *kgem)
1546
{
1547
	struct sna *sna;
1548
 
1549
	sna = container_of(kgem, struct sna, kgem);
1550
	if (sna->render.vbo && !sna->render.vertex_used) {
1551
		DBG(("%s: discarding vbo\n", __FUNCTION__));
1552
		kgem_bo_destroy(kgem, sna->render.vbo);
1553
		sna->render.vbo = NULL;
1554
		sna->render.vertices = sna->render.vertex_data;
1555
		sna->render.vertex_size = ARRAY_SIZE(sna->render.vertex_data);
1556
		sna->render.vertex_used = 0;
1557
		sna->render.vertex_index = 0;
1558
	}
1559
}
1560
 
1561
static void gen7_render_reset(struct sna *sna)
1562
{
1563
	sna->render_state.gen7.emit_flush = false;
1564
	sna->render_state.gen7.needs_invariant = true;
1565
	sna->render_state.gen7.ve_id = 3 << 2;
1566
	sna->render_state.gen7.last_primitive = -1;
1567
 
1568
	sna->render_state.gen7.num_sf_outputs = 0;
1569
	sna->render_state.gen7.samplers = -1;
1570
	sna->render_state.gen7.blend = -1;
1571
	sna->render_state.gen7.kernel = -1;
1572
	sna->render_state.gen7.drawrect_offset = -1;
1573
	sna->render_state.gen7.drawrect_limit = -1;
1574
	sna->render_state.gen7.surface_table = -1;
1575
 
1576
	sna->render.vertex_offset = 0;
1577
	sna->render.nvertex_reloc = 0;
1578
	sna->render.vb_id = 0;
1579
}
1580
 
1581
static void gen7_render_fini(struct sna *sna)
1582
{
1583
	kgem_bo_destroy(&sna->kgem, sna->render_state.gen7.general_bo);
1584
}
1585
 
1586
static bool is_gt2(struct sna *sna)
1587
{
1588
	return DEVICE_ID(sna->PciInfo) & 0x20;
1589
}
1590
 
1591
static bool is_mobile(struct sna *sna)
1592
{
1593
	return (DEVICE_ID(sna->PciInfo) & 0xf) == 0x6;
1594
}
1595
 
1596
 
1597
static bool gen7_render_setup(struct sna *sna)
1598
{
1599
    struct gen7_render_state *state = &sna->render_state.gen7;
1600
    struct sna_static_stream general;
1601
    struct gen7_sampler_state *ss;
1602
    int i, j, k, l, m;
1603
 
1604
    if (sna->kgem.gen == 070) {
1605
        state->info = &ivb_gt_info;
1606
        if (DEVICE_ID(sna->PciInfo) & 0xf) {
1607
            state->info = &ivb_gt1_info;
1608
            if (is_gt2(sna))
1609
                state->info = &ivb_gt2_info; /* XXX requires GT_MODE WiZ disabled */
1610
        }
1611
    } else if (sna->kgem.gen == 075) {
1612
        state->info = &hsw_gt_info;
1613
        if (DEVICE_ID(sna->PciInfo) & 0xf) {
1614
            state->info = &hsw_gt1_info;
1615
            if (is_gt2(sna))
1616
                state->info = &hsw_gt2_info;
1617
        }
1618
    } else
1619
        return false;
1620
 
1621
    sna_static_stream_init(&general);
1622
 
1623
    /* Zero pad the start. If you see an offset of 0x0 in the batchbuffer
1624
     * dumps, you know it points to zero.
1625
     */
1626
    null_create(&general);
1627
 
1628
    for (m = 0; m < GEN7_WM_KERNEL_COUNT; m++) {
1629
        if (wm_kernels[m].size) {
1630
            state->wm_kernel[m][1] =
1631
                sna_static_stream_add(&general,
1632
                              wm_kernels[m].data,
1633
                              wm_kernels[m].size,
1634
                              64);
1635
        } else {
1636
            if (USE_8_PIXEL_DISPATCH) {
1637
                state->wm_kernel[m][0] =
1638
                    sna_static_stream_compile_wm(sna, &general,
1639
                                     wm_kernels[m].data, 8);
1640
            }
1641
 
1642
            if (USE_16_PIXEL_DISPATCH) {
1643
                state->wm_kernel[m][1] =
1644
                    sna_static_stream_compile_wm(sna, &general,
1645
                                     wm_kernels[m].data, 16);
1646
            }
1647
 
1648
            if (USE_32_PIXEL_DISPATCH) {
1649
                state->wm_kernel[m][2] =
1650
                    sna_static_stream_compile_wm(sna, &general,
1651
                                     wm_kernels[m].data, 32);
1652
            }
1653
        }
1654
        assert(state->wm_kernel[m][0]|state->wm_kernel[m][1]|state->wm_kernel[m][2]);
1655
    }
1656
 
1657
    ss = sna_static_stream_map(&general,
1658
                   2 * sizeof(*ss) *
1659
                   (2 +
1660
                    FILTER_COUNT * EXTEND_COUNT *
1661
                    FILTER_COUNT * EXTEND_COUNT),
1662
                   32);
1663
    state->wm_state = sna_static_stream_offsetof(&general, ss);
1664
    sampler_copy_init(ss); ss += 2;
1665
    sampler_fill_init(ss); ss += 2;
1666
    for (i = 0; i < FILTER_COUNT; i++) {
1667
        for (j = 0; j < EXTEND_COUNT; j++) {
1668
            for (k = 0; k < FILTER_COUNT; k++) {
1669
                for (l = 0; l < EXTEND_COUNT; l++) {
1670
                    sampler_state_init(ss++, i, j);
1671
                    sampler_state_init(ss++, k, l);
1672
                }
1673
            }
1674
        }
1675
    }
1676
 
1677
    state->cc_blend = gen7_composite_create_blend_state(&general);
1678
 
1679
    state->general_bo = sna_static_stream_fini(sna, &general);
1680
    return state->general_bo != NULL;
1681
}
1682
 
1683
 
1684
bool gen7_render_init(struct sna *sna)
1685
{
1686
    if (!gen7_render_setup(sna))
1687
        return false;
1688
 
1689
    sna->kgem.context_switch = gen7_render_context_switch;
1690
    sna->kgem.retire = gen7_render_retire;
1691
    sna->kgem.expire = gen7_render_expire;
1692
 
1693
    sna->render.blit_tex = gen7_blit_tex;
1694
 
1695
    sna->render.flush = gen7_render_flush;
1696
    sna->render.reset = gen7_render_reset;
1697
    sna->render.fini = gen7_render_fini;
1698
 
1699
    sna->render.max_3d_size = GEN7_MAX_SIZE;
1700
    sna->render.max_3d_pitch = 1 << 18;
1701
    return true;
1702
}
1703