si_state.c revision 751e8697f2099a0ceaba09e0d8775e4636f209b1
1/*
2 * Copyright 2012 Advanced Micro Devices, Inc.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *      Christian König <christian.koenig@amd.com>
25 */
26
27#include "util/u_memory.h"
28#include "util/u_framebuffer.h"
29#include "util/u_blitter.h"
30#include "util/u_helpers.h"
31#include "util/u_math.h"
32#include "util/u_pack_color.h"
33#include "util/u_upload_mgr.h"
34#include "util/u_format_s3tc.h"
35#include "tgsi/tgsi_parse.h"
36#include "radeonsi_pipe.h"
37#include "radeonsi_shader.h"
38#include "si_state.h"
39#include "../radeon/r600_cs.h"
40#include "sid.h"
41
42static uint32_t cik_num_banks(uint32_t nbanks)
43{
44	switch (nbanks) {
45	case 2:
46		return V_02803C_ADDR_SURF_2_BANK;
47	case 4:
48		return V_02803C_ADDR_SURF_4_BANK;
49	case 8:
50	default:
51		return V_02803C_ADDR_SURF_8_BANK;
52	case 16:
53		return V_02803C_ADDR_SURF_16_BANK;
54	}
55}
56
57
58static unsigned cik_tile_split(unsigned tile_split)
59{
60	switch (tile_split) {
61	case 64:
62		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_64B;
63		break;
64	case 128:
65		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_128B;
66		break;
67	case 256:
68		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_256B;
69		break;
70	case 512:
71		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_512B;
72		break;
73	default:
74	case 1024:
75		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_1KB;
76		break;
77	case 2048:
78		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_2KB;
79		break;
80	case 4096:
81		tile_split = V_028040_ADDR_SURF_TILE_SPLIT_4KB;
82		break;
83	}
84	return tile_split;
85}
86
87static unsigned cik_macro_tile_aspect(unsigned macro_tile_aspect)
88{
89	switch (macro_tile_aspect) {
90	default:
91	case 1:
92		macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_1;
93		break;
94	case 2:
95		macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_2;
96		break;
97	case 4:
98		macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_4;
99		break;
100	case 8:
101		macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_8;
102		break;
103	}
104	return macro_tile_aspect;
105}
106
107static unsigned cik_bank_wh(unsigned bankwh)
108{
109	switch (bankwh) {
110	default:
111	case 1:
112		bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_1;
113		break;
114	case 2:
115		bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_2;
116		break;
117	case 4:
118		bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_4;
119		break;
120	case 8:
121		bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_8;
122		break;
123	}
124	return bankwh;
125}
126
127static unsigned cik_db_pipe_config(unsigned tile_pipes,
128				   unsigned num_rbs)
129{
130	unsigned pipe_config;
131
132	switch (tile_pipes) {
133	case 8:
134		pipe_config = V_02803C_X_ADDR_SURF_P8_32X32_16X16;
135		break;
136	case 4:
137	default:
138		if (num_rbs == 4)
139			pipe_config = V_02803C_X_ADDR_SURF_P4_16X16;
140		else
141			pipe_config = V_02803C_X_ADDR_SURF_P4_8X16;
142		break;
143	case 2:
144			pipe_config = V_02803C_ADDR_SURF_P2;
145		break;
146	}
147	return pipe_config;
148}
149
150/*
151 * inferred framebuffer and blender state
152 */
153static void si_update_fb_blend_state(struct r600_context *rctx)
154{
155	struct si_pm4_state *pm4;
156	struct si_state_blend *blend = rctx->queued.named.blend;
157	uint32_t mask;
158
159	if (blend == NULL)
160		return;
161
162	pm4 = si_pm4_alloc_state(rctx);
163	if (pm4 == NULL)
164		return;
165
166	mask = (1ULL << ((unsigned)rctx->framebuffer.nr_cbufs * 4)) - 1;
167	mask &= blend->cb_target_mask;
168	si_pm4_set_reg(pm4, R_028238_CB_TARGET_MASK, mask);
169
170	si_pm4_set_state(rctx, fb_blend, pm4);
171}
172
173/*
174 * Blender functions
175 */
176
177static uint32_t si_translate_blend_function(int blend_func)
178{
179	switch (blend_func) {
180	case PIPE_BLEND_ADD:
181		return V_028780_COMB_DST_PLUS_SRC;
182	case PIPE_BLEND_SUBTRACT:
183		return V_028780_COMB_SRC_MINUS_DST;
184	case PIPE_BLEND_REVERSE_SUBTRACT:
185		return V_028780_COMB_DST_MINUS_SRC;
186	case PIPE_BLEND_MIN:
187		return V_028780_COMB_MIN_DST_SRC;
188	case PIPE_BLEND_MAX:
189		return V_028780_COMB_MAX_DST_SRC;
190	default:
191		R600_ERR("Unknown blend function %d\n", blend_func);
192		assert(0);
193		break;
194	}
195	return 0;
196}
197
198static uint32_t si_translate_blend_factor(int blend_fact)
199{
200	switch (blend_fact) {
201	case PIPE_BLENDFACTOR_ONE:
202		return V_028780_BLEND_ONE;
203	case PIPE_BLENDFACTOR_SRC_COLOR:
204		return V_028780_BLEND_SRC_COLOR;
205	case PIPE_BLENDFACTOR_SRC_ALPHA:
206		return V_028780_BLEND_SRC_ALPHA;
207	case PIPE_BLENDFACTOR_DST_ALPHA:
208		return V_028780_BLEND_DST_ALPHA;
209	case PIPE_BLENDFACTOR_DST_COLOR:
210		return V_028780_BLEND_DST_COLOR;
211	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
212		return V_028780_BLEND_SRC_ALPHA_SATURATE;
213	case PIPE_BLENDFACTOR_CONST_COLOR:
214		return V_028780_BLEND_CONSTANT_COLOR;
215	case PIPE_BLENDFACTOR_CONST_ALPHA:
216		return V_028780_BLEND_CONSTANT_ALPHA;
217	case PIPE_BLENDFACTOR_ZERO:
218		return V_028780_BLEND_ZERO;
219	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
220		return V_028780_BLEND_ONE_MINUS_SRC_COLOR;
221	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
222		return V_028780_BLEND_ONE_MINUS_SRC_ALPHA;
223	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
224		return V_028780_BLEND_ONE_MINUS_DST_ALPHA;
225	case PIPE_BLENDFACTOR_INV_DST_COLOR:
226		return V_028780_BLEND_ONE_MINUS_DST_COLOR;
227	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
228		return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR;
229	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
230		return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA;
231	case PIPE_BLENDFACTOR_SRC1_COLOR:
232		return V_028780_BLEND_SRC1_COLOR;
233	case PIPE_BLENDFACTOR_SRC1_ALPHA:
234		return V_028780_BLEND_SRC1_ALPHA;
235	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
236		return V_028780_BLEND_INV_SRC1_COLOR;
237	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
238		return V_028780_BLEND_INV_SRC1_ALPHA;
239	default:
240		R600_ERR("Bad blend factor %d not supported!\n", blend_fact);
241		assert(0);
242		break;
243	}
244	return 0;
245}
246
247static void *si_create_blend_state_mode(struct pipe_context *ctx,
248					const struct pipe_blend_state *state,
249					unsigned mode)
250{
251	struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend);
252	struct si_pm4_state *pm4 = &blend->pm4;
253
254	uint32_t color_control;
255
256	if (blend == NULL)
257		return NULL;
258
259	blend->alpha_to_one = state->alpha_to_one;
260
261	color_control = S_028808_MODE(mode);
262	if (state->logicop_enable) {
263		color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4));
264	} else {
265		color_control |= S_028808_ROP3(0xcc);
266	}
267	si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control);
268
269	si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK,
270		       S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
271		       S_028B70_ALPHA_TO_MASK_OFFSET0(2) |
272		       S_028B70_ALPHA_TO_MASK_OFFSET1(2) |
273		       S_028B70_ALPHA_TO_MASK_OFFSET2(2) |
274		       S_028B70_ALPHA_TO_MASK_OFFSET3(2));
275
276	blend->cb_target_mask = 0;
277	for (int i = 0; i < 8; i++) {
278		/* state->rt entries > 0 only written if independent blending */
279		const int j = state->independent_blend_enable ? i : 0;
280
281		unsigned eqRGB = state->rt[j].rgb_func;
282		unsigned srcRGB = state->rt[j].rgb_src_factor;
283		unsigned dstRGB = state->rt[j].rgb_dst_factor;
284		unsigned eqA = state->rt[j].alpha_func;
285		unsigned srcA = state->rt[j].alpha_src_factor;
286		unsigned dstA = state->rt[j].alpha_dst_factor;
287
288		unsigned blend_cntl = 0;
289
290		/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
291		blend->cb_target_mask |= state->rt[j].colormask << (4 * i);
292
293		if (!state->rt[j].blend_enable) {
294			si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
295			continue;
296		}
297
298		blend_cntl |= S_028780_ENABLE(1);
299		blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB));
300		blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB));
301		blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB));
302
303		if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
304			blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1);
305			blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA));
306			blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA));
307			blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA));
308		}
309		si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
310	}
311
312	return blend;
313}
314
315static void *si_create_blend_state(struct pipe_context *ctx,
316				   const struct pipe_blend_state *state)
317{
318	return si_create_blend_state_mode(ctx, state, V_028808_CB_NORMAL);
319}
320
321static void si_bind_blend_state(struct pipe_context *ctx, void *state)
322{
323	struct r600_context *rctx = (struct r600_context *)ctx;
324	si_pm4_bind_state(rctx, blend, (struct si_state_blend *)state);
325	si_update_fb_blend_state(rctx);
326}
327
328static void si_delete_blend_state(struct pipe_context *ctx, void *state)
329{
330	struct r600_context *rctx = (struct r600_context *)ctx;
331	si_pm4_delete_state(rctx, blend, (struct si_state_blend *)state);
332}
333
334static void si_set_blend_color(struct pipe_context *ctx,
335			       const struct pipe_blend_color *state)
336{
337	struct r600_context *rctx = (struct r600_context *)ctx;
338	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
339
340        if (pm4 == NULL)
341                return;
342
343	si_pm4_set_reg(pm4, R_028414_CB_BLEND_RED, fui(state->color[0]));
344	si_pm4_set_reg(pm4, R_028418_CB_BLEND_GREEN, fui(state->color[1]));
345	si_pm4_set_reg(pm4, R_02841C_CB_BLEND_BLUE, fui(state->color[2]));
346	si_pm4_set_reg(pm4, R_028420_CB_BLEND_ALPHA, fui(state->color[3]));
347
348	si_pm4_set_state(rctx, blend_color, pm4);
349}
350
351/*
352 * Clipping, scissors and viewport
353 */
354
355static void si_set_clip_state(struct pipe_context *ctx,
356			      const struct pipe_clip_state *state)
357{
358	struct r600_context *rctx = (struct r600_context *)ctx;
359	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
360	struct pipe_constant_buffer cb;
361
362	if (pm4 == NULL)
363		return;
364
365	for (int i = 0; i < 6; i++) {
366		si_pm4_set_reg(pm4, R_0285BC_PA_CL_UCP_0_X + i * 16,
367			       fui(state->ucp[i][0]));
368		si_pm4_set_reg(pm4, R_0285C0_PA_CL_UCP_0_Y + i * 16,
369			       fui(state->ucp[i][1]));
370		si_pm4_set_reg(pm4, R_0285C4_PA_CL_UCP_0_Z + i * 16,
371			       fui(state->ucp[i][2]));
372		si_pm4_set_reg(pm4, R_0285C8_PA_CL_UCP_0_W + i * 16,
373			       fui(state->ucp[i][3]));
374        }
375
376	cb.buffer = NULL;
377	cb.user_buffer = state->ucp;
378	cb.buffer_offset = 0;
379	cb.buffer_size = 4*4*8;
380	ctx->set_constant_buffer(ctx, PIPE_SHADER_VERTEX, NUM_PIPE_CONST_BUFFERS, &cb);
381	pipe_resource_reference(&cb.buffer, NULL);
382
383	si_pm4_set_state(rctx, clip, pm4);
384}
385
386static void si_set_scissor_states(struct pipe_context *ctx,
387                                  unsigned start_slot,
388                                  unsigned num_scissors,
389                                  const struct pipe_scissor_state *state)
390{
391	struct r600_context *rctx = (struct r600_context *)ctx;
392	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
393	uint32_t tl, br;
394
395	if (pm4 == NULL)
396		return;
397
398	tl = S_028240_TL_X(state->minx) | S_028240_TL_Y(state->miny);
399	br = S_028244_BR_X(state->maxx) | S_028244_BR_Y(state->maxy);
400	si_pm4_set_reg(pm4, R_028210_PA_SC_CLIPRECT_0_TL, tl);
401	si_pm4_set_reg(pm4, R_028214_PA_SC_CLIPRECT_0_BR, br);
402	si_pm4_set_reg(pm4, R_028218_PA_SC_CLIPRECT_1_TL, tl);
403	si_pm4_set_reg(pm4, R_02821C_PA_SC_CLIPRECT_1_BR, br);
404	si_pm4_set_reg(pm4, R_028220_PA_SC_CLIPRECT_2_TL, tl);
405	si_pm4_set_reg(pm4, R_028224_PA_SC_CLIPRECT_2_BR, br);
406	si_pm4_set_reg(pm4, R_028228_PA_SC_CLIPRECT_3_TL, tl);
407	si_pm4_set_reg(pm4, R_02822C_PA_SC_CLIPRECT_3_BR, br);
408
409	si_pm4_set_state(rctx, scissor, pm4);
410}
411
412static void si_set_viewport_states(struct pipe_context *ctx,
413                                   unsigned start_slot,
414                                   unsigned num_viewports,
415                                   const struct pipe_viewport_state *state)
416{
417	struct r600_context *rctx = (struct r600_context *)ctx;
418	struct si_state_viewport *viewport = CALLOC_STRUCT(si_state_viewport);
419	struct si_pm4_state *pm4 = &viewport->pm4;
420
421	if (viewport == NULL)
422		return;
423
424	viewport->viewport = *state;
425	si_pm4_set_reg(pm4, R_0282D0_PA_SC_VPORT_ZMIN_0, 0x00000000);
426	si_pm4_set_reg(pm4, R_0282D4_PA_SC_VPORT_ZMAX_0, 0x3F800000);
427	si_pm4_set_reg(pm4, R_02843C_PA_CL_VPORT_XSCALE_0, fui(state->scale[0]));
428	si_pm4_set_reg(pm4, R_028440_PA_CL_VPORT_XOFFSET_0, fui(state->translate[0]));
429	si_pm4_set_reg(pm4, R_028444_PA_CL_VPORT_YSCALE_0, fui(state->scale[1]));
430	si_pm4_set_reg(pm4, R_028448_PA_CL_VPORT_YOFFSET_0, fui(state->translate[1]));
431	si_pm4_set_reg(pm4, R_02844C_PA_CL_VPORT_ZSCALE_0, fui(state->scale[2]));
432	si_pm4_set_reg(pm4, R_028450_PA_CL_VPORT_ZOFFSET_0, fui(state->translate[2]));
433	si_pm4_set_reg(pm4, R_028818_PA_CL_VTE_CNTL, 0x0000043F);
434
435	si_pm4_set_state(rctx, viewport, viewport);
436}
437
438/*
439 * inferred state between framebuffer and rasterizer
440 */
441static void si_update_fb_rs_state(struct r600_context *rctx)
442{
443	struct si_state_rasterizer *rs = rctx->queued.named.rasterizer;
444	struct si_pm4_state *pm4;
445	unsigned offset_db_fmt_cntl = 0, depth;
446	float offset_units;
447
448	if (!rs || !rctx->framebuffer.zsbuf)
449		return;
450
451	offset_units = rctx->queued.named.rasterizer->offset_units;
452	switch (rctx->framebuffer.zsbuf->texture->format) {
453	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
454	case PIPE_FORMAT_X8Z24_UNORM:
455	case PIPE_FORMAT_Z24X8_UNORM:
456	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
457		depth = -24;
458		offset_units *= 2.0f;
459		break;
460	case PIPE_FORMAT_Z32_FLOAT:
461	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
462		depth = -23;
463		offset_units *= 1.0f;
464		offset_db_fmt_cntl |= S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
465		break;
466	case PIPE_FORMAT_Z16_UNORM:
467		depth = -16;
468		offset_units *= 4.0f;
469		break;
470	default:
471		return;
472	}
473
474	pm4 = si_pm4_alloc_state(rctx);
475
476	if (pm4 == NULL)
477		return;
478
479	/* FIXME some of those reg can be computed with cso */
480	offset_db_fmt_cntl |= S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(depth);
481	si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE,
482		       fui(rctx->queued.named.rasterizer->offset_scale));
483	si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET, fui(offset_units));
484	si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE,
485		       fui(rctx->queued.named.rasterizer->offset_scale));
486	si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET, fui(offset_units));
487	si_pm4_set_reg(pm4, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, offset_db_fmt_cntl);
488
489	si_pm4_set_state(rctx, fb_rs, pm4);
490}
491
492/*
493 * Rasterizer
494 */
495
496static uint32_t si_translate_fill(uint32_t func)
497{
498	switch(func) {
499	case PIPE_POLYGON_MODE_FILL:
500		return V_028814_X_DRAW_TRIANGLES;
501	case PIPE_POLYGON_MODE_LINE:
502		return V_028814_X_DRAW_LINES;
503	case PIPE_POLYGON_MODE_POINT:
504		return V_028814_X_DRAW_POINTS;
505	default:
506		assert(0);
507		return V_028814_X_DRAW_POINTS;
508	}
509}
510
511static void *si_create_rs_state(struct pipe_context *ctx,
512				const struct pipe_rasterizer_state *state)
513{
514	struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer);
515	struct si_pm4_state *pm4 = &rs->pm4;
516	unsigned tmp;
517	unsigned prov_vtx = 1, polygon_dual_mode;
518	unsigned clip_rule;
519	float psize_min, psize_max;
520
521	if (rs == NULL) {
522		return NULL;
523	}
524
525	rs->two_side = state->light_twoside;
526	rs->multisample_enable = state->multisample;
527	rs->clip_plane_enable = state->clip_plane_enable;
528	rs->line_stipple_enable = state->line_stipple_enable;
529
530	polygon_dual_mode = (state->fill_front != PIPE_POLYGON_MODE_FILL ||
531				state->fill_back != PIPE_POLYGON_MODE_FILL);
532
533	if (state->flatshade_first)
534		prov_vtx = 0;
535
536	rs->flatshade = state->flatshade;
537	rs->sprite_coord_enable = state->sprite_coord_enable;
538	rs->pa_sc_line_stipple = state->line_stipple_enable ?
539				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
540				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
541	rs->pa_su_sc_mode_cntl =
542		S_028814_PROVOKING_VTX_LAST(prov_vtx) |
543		S_028814_CULL_FRONT(state->rasterizer_discard || (state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) |
544		S_028814_CULL_BACK(state->rasterizer_discard || (state->cull_face & PIPE_FACE_BACK) ? 1 : 0) |
545		S_028814_FACE(!state->front_ccw) |
546		S_028814_POLY_OFFSET_FRONT_ENABLE(state->offset_tri) |
547		S_028814_POLY_OFFSET_BACK_ENABLE(state->offset_tri) |
548		S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_tri) |
549		S_028814_POLY_MODE(polygon_dual_mode) |
550		S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) |
551		S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back));
552	rs->pa_cl_clip_cntl =
553		S_028810_PS_UCP_MODE(3) |
554		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) |
555		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) |
556		S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) |
557		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
558
559	clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
560
561	/* offset */
562	rs->offset_units = state->offset_units;
563	rs->offset_scale = state->offset_scale * 12.0f;
564
565	tmp = S_0286D4_FLAT_SHADE_ENA(1);
566	if (state->sprite_coord_enable) {
567		tmp |= S_0286D4_PNT_SPRITE_ENA(1) |
568			S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) |
569			S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) |
570			S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) |
571			S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1);
572		if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) {
573			tmp |= S_0286D4_PNT_SPRITE_TOP_1(1);
574		}
575	}
576	si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, tmp);
577
578	si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0x00000000);
579	/* point size 12.4 fixed point */
580	tmp = (unsigned)(state->point_size * 8.0);
581	si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
582
583	if (state->point_size_per_vertex) {
584		psize_min = util_get_min_point_size(state);
585		psize_max = 8192;
586	} else {
587		/* Force the point size to be as if the vertex output was disabled. */
588		psize_min = state->point_size;
589		psize_max = state->point_size;
590	}
591	/* Divide by two, because 0.5 = 1 pixel. */
592	si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX,
593			S_028A04_MIN_SIZE(r600_pack_float_12p4(psize_min/2)) |
594			S_028A04_MAX_SIZE(r600_pack_float_12p4(psize_max/2)));
595
596	tmp = (unsigned)state->line_width * 8;
597	si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp));
598	si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0,
599		       S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
600		       S_028A48_MSAA_ENABLE(state->multisample));
601
602	si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL,
603		       S_028BE4_PIX_CENTER(state->half_pixel_center) |
604		       S_028BE4_QUANT_MODE(V_028BE4_X_16_8_FIXED_POINT_1_256TH));
605	si_pm4_set_reg(pm4, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ, 0x3F800000);
606	si_pm4_set_reg(pm4, R_028BEC_PA_CL_GB_VERT_DISC_ADJ, 0x3F800000);
607	si_pm4_set_reg(pm4, R_028BF0_PA_CL_GB_HORZ_CLIP_ADJ, 0x3F800000);
608	si_pm4_set_reg(pm4, R_028BF4_PA_CL_GB_HORZ_DISC_ADJ, 0x3F800000);
609
610	si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
611	si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, clip_rule);
612
613	return rs;
614}
615
616static void si_bind_rs_state(struct pipe_context *ctx, void *state)
617{
618	struct r600_context *rctx = (struct r600_context *)ctx;
619	struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state;
620
621	if (state == NULL)
622		return;
623
624	// TODO
625	rctx->sprite_coord_enable = rs->sprite_coord_enable;
626	rctx->pa_sc_line_stipple = rs->pa_sc_line_stipple;
627	rctx->pa_su_sc_mode_cntl = rs->pa_su_sc_mode_cntl;
628
629	si_pm4_bind_state(rctx, rasterizer, rs);
630	si_update_fb_rs_state(rctx);
631}
632
633static void si_delete_rs_state(struct pipe_context *ctx, void *state)
634{
635	struct r600_context *rctx = (struct r600_context *)ctx;
636	si_pm4_delete_state(rctx, rasterizer, (struct si_state_rasterizer *)state);
637}
638
639/*
640 * infeered state between dsa and stencil ref
641 */
642static void si_update_dsa_stencil_ref(struct r600_context *rctx)
643{
644	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
645	struct pipe_stencil_ref *ref = &rctx->stencil_ref;
646        struct si_state_dsa *dsa = rctx->queued.named.dsa;
647
648        if (pm4 == NULL)
649                return;
650
651	si_pm4_set_reg(pm4, R_028430_DB_STENCILREFMASK,
652		       S_028430_STENCILTESTVAL(ref->ref_value[0]) |
653		       S_028430_STENCILMASK(dsa->valuemask[0]) |
654		       S_028430_STENCILWRITEMASK(dsa->writemask[0]) |
655		       S_028430_STENCILOPVAL(1));
656	si_pm4_set_reg(pm4, R_028434_DB_STENCILREFMASK_BF,
657		       S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) |
658		       S_028434_STENCILMASK_BF(dsa->valuemask[1]) |
659		       S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) |
660		       S_028434_STENCILOPVAL_BF(1));
661
662	si_pm4_set_state(rctx, dsa_stencil_ref, pm4);
663}
664
665static void si_set_pipe_stencil_ref(struct pipe_context *ctx,
666				    const struct pipe_stencil_ref *state)
667{
668        struct r600_context *rctx = (struct r600_context *)ctx;
669        rctx->stencil_ref = *state;
670	si_update_dsa_stencil_ref(rctx);
671}
672
673
674/*
675 * DSA
676 */
677
678static uint32_t si_translate_stencil_op(int s_op)
679{
680	switch (s_op) {
681	case PIPE_STENCIL_OP_KEEP:
682		return V_02842C_STENCIL_KEEP;
683	case PIPE_STENCIL_OP_ZERO:
684		return V_02842C_STENCIL_ZERO;
685	case PIPE_STENCIL_OP_REPLACE:
686		return V_02842C_STENCIL_REPLACE_TEST;
687	case PIPE_STENCIL_OP_INCR:
688		return V_02842C_STENCIL_ADD_CLAMP;
689	case PIPE_STENCIL_OP_DECR:
690		return V_02842C_STENCIL_SUB_CLAMP;
691	case PIPE_STENCIL_OP_INCR_WRAP:
692		return V_02842C_STENCIL_ADD_WRAP;
693	case PIPE_STENCIL_OP_DECR_WRAP:
694		return V_02842C_STENCIL_SUB_WRAP;
695	case PIPE_STENCIL_OP_INVERT:
696		return V_02842C_STENCIL_INVERT;
697	default:
698		R600_ERR("Unknown stencil op %d", s_op);
699		assert(0);
700		break;
701	}
702	return 0;
703}
704
705static void *si_create_dsa_state(struct pipe_context *ctx,
706				 const struct pipe_depth_stencil_alpha_state *state)
707{
708	struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa);
709	struct si_pm4_state *pm4 = &dsa->pm4;
710	unsigned db_depth_control;
711	unsigned db_render_override, db_render_control;
712	uint32_t db_stencil_control = 0;
713
714	if (dsa == NULL) {
715		return NULL;
716	}
717
718	dsa->valuemask[0] = state->stencil[0].valuemask;
719	dsa->valuemask[1] = state->stencil[1].valuemask;
720	dsa->writemask[0] = state->stencil[0].writemask;
721	dsa->writemask[1] = state->stencil[1].writemask;
722
723	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
724		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
725		S_028800_ZFUNC(state->depth.func);
726
727	/* stencil */
728	if (state->stencil[0].enabled) {
729		db_depth_control |= S_028800_STENCIL_ENABLE(1);
730		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func);
731		db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op));
732		db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op));
733		db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op));
734
735		if (state->stencil[1].enabled) {
736			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
737			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func);
738			db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op));
739			db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op));
740			db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op));
741		}
742	}
743
744	/* alpha */
745	if (state->alpha.enabled) {
746		dsa->alpha_func = state->alpha.func;
747		dsa->alpha_ref = state->alpha.ref_value;
748
749		si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0 +
750		               SI_SGPR_ALPHA_REF * 4, fui(dsa->alpha_ref));
751	} else {
752		dsa->alpha_func = PIPE_FUNC_ALWAYS;
753	}
754
755	/* misc */
756	db_render_control = 0;
757	db_render_override = S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_DISABLE) |
758		S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) |
759		S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE);
760	/* TODO db_render_override depends on query */
761	si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, 0x00000000);
762	si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, 0x00000000);
763	si_pm4_set_reg(pm4, R_028028_DB_STENCIL_CLEAR, 0x00000000);
764	si_pm4_set_reg(pm4, R_02802C_DB_DEPTH_CLEAR, 0x3F800000);
765	//si_pm4_set_reg(pm4, R_028410_SX_ALPHA_TEST_CONTROL, alpha_test_control);
766	si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control);
767	si_pm4_set_reg(pm4, R_028000_DB_RENDER_CONTROL, db_render_control);
768	si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE, db_render_override);
769	si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control);
770	si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0);
771	si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0);
772	si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0);
773	dsa->db_render_override = db_render_override;
774
775	return dsa;
776}
777
778static void si_bind_dsa_state(struct pipe_context *ctx, void *state)
779{
780        struct r600_context *rctx = (struct r600_context *)ctx;
781        struct si_state_dsa *dsa = state;
782
783        if (state == NULL)
784                return;
785
786	si_pm4_bind_state(rctx, dsa, dsa);
787	si_update_dsa_stencil_ref(rctx);
788}
789
790static void si_delete_dsa_state(struct pipe_context *ctx, void *state)
791{
792	struct r600_context *rctx = (struct r600_context *)ctx;
793	si_pm4_delete_state(rctx, dsa, (struct si_state_dsa *)state);
794}
795
796static void *si_create_db_flush_dsa(struct r600_context *rctx, bool copy_depth,
797				    bool copy_stencil, int sample)
798{
799	struct pipe_depth_stencil_alpha_state dsa;
800        struct si_state_dsa *state;
801
802	memset(&dsa, 0, sizeof(dsa));
803
804	state = rctx->b.b.create_depth_stencil_alpha_state(&rctx->b.b, &dsa);
805	if (copy_depth || copy_stencil) {
806		si_pm4_set_reg(&state->pm4, R_028000_DB_RENDER_CONTROL,
807			       S_028000_DEPTH_COPY(copy_depth) |
808			       S_028000_STENCIL_COPY(copy_stencil) |
809			       S_028000_COPY_CENTROID(1) |
810			       S_028000_COPY_SAMPLE(sample));
811	} else {
812		si_pm4_set_reg(&state->pm4, R_028000_DB_RENDER_CONTROL,
813			       S_028000_DEPTH_COMPRESS_DISABLE(1) |
814			       S_028000_STENCIL_COMPRESS_DISABLE(1));
815		si_pm4_set_reg(&state->pm4, R_02800C_DB_RENDER_OVERRIDE,
816			       S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_DISABLE) |
817			       S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) |
818			       S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE) |
819			       S_02800C_DISABLE_TILE_RATE_TILES(1));
820	}
821
822        return state;
823}
824
825/*
826 * format translation
827 */
828static uint32_t si_translate_colorformat(enum pipe_format format)
829{
830	const struct util_format_description *desc = util_format_description(format);
831
832#define HAS_SIZE(x,y,z,w) \
833	(desc->channel[0].size == (x) && desc->channel[1].size == (y) && \
834         desc->channel[2].size == (z) && desc->channel[3].size == (w))
835
836	if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
837		return V_028C70_COLOR_10_11_11;
838
839	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
840		return V_028C70_COLOR_INVALID;
841
842	switch (desc->nr_channels) {
843	case 1:
844		switch (desc->channel[0].size) {
845		case 8:
846			return V_028C70_COLOR_8;
847		case 16:
848			return V_028C70_COLOR_16;
849		case 32:
850			return V_028C70_COLOR_32;
851		}
852		break;
853	case 2:
854		if (desc->channel[0].size == desc->channel[1].size) {
855			switch (desc->channel[0].size) {
856			case 8:
857				return V_028C70_COLOR_8_8;
858			case 16:
859				return V_028C70_COLOR_16_16;
860			case 32:
861				return V_028C70_COLOR_32_32;
862			}
863		} else if (HAS_SIZE(8,24,0,0)) {
864			return V_028C70_COLOR_24_8;
865		} else if (HAS_SIZE(24,8,0,0)) {
866			return V_028C70_COLOR_8_24;
867		}
868		break;
869	case 3:
870		if (HAS_SIZE(5,6,5,0)) {
871			return V_028C70_COLOR_5_6_5;
872		} else if (HAS_SIZE(32,8,24,0)) {
873			return V_028C70_COLOR_X24_8_32_FLOAT;
874		}
875		break;
876	case 4:
877		if (desc->channel[0].size == desc->channel[1].size &&
878		    desc->channel[0].size == desc->channel[2].size &&
879		    desc->channel[0].size == desc->channel[3].size) {
880			switch (desc->channel[0].size) {
881			case 4:
882				return V_028C70_COLOR_4_4_4_4;
883			case 8:
884				return V_028C70_COLOR_8_8_8_8;
885			case 16:
886				return V_028C70_COLOR_16_16_16_16;
887			case 32:
888				return V_028C70_COLOR_32_32_32_32;
889			}
890		} else if (HAS_SIZE(5,5,5,1)) {
891			return V_028C70_COLOR_1_5_5_5;
892		} else if (HAS_SIZE(10,10,10,2)) {
893			return V_028C70_COLOR_2_10_10_10;
894		}
895		break;
896	}
897	return V_028C70_COLOR_INVALID;
898}
899
900static uint32_t si_translate_colorswap(enum pipe_format format)
901{
902	const struct util_format_description *desc = util_format_description(format);
903
904#define HAS_SWIZZLE(chan,swz) (desc->swizzle[chan] == UTIL_FORMAT_SWIZZLE_##swz)
905
906	if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
907		return V_028C70_SWAP_STD;
908
909	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
910		return ~0;
911
912	switch (desc->nr_channels) {
913	case 1:
914		if (HAS_SWIZZLE(0,X))
915			return V_028C70_SWAP_STD; /* X___ */
916		else if (HAS_SWIZZLE(3,X))
917			return V_028C70_SWAP_ALT_REV; /* ___X */
918		break;
919	case 2:
920		if ((HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,Y)) ||
921		    (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(1,NONE)) ||
922		    (HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,Y)))
923			return V_028C70_SWAP_STD; /* XY__ */
924		else if ((HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,X)) ||
925			 (HAS_SWIZZLE(0,Y) && HAS_SWIZZLE(1,NONE)) ||
926		         (HAS_SWIZZLE(0,NONE) && HAS_SWIZZLE(1,X)))
927			return V_028C70_SWAP_STD_REV; /* YX__ */
928		else if (HAS_SWIZZLE(0,X) && HAS_SWIZZLE(3,Y))
929			return V_028C70_SWAP_ALT; /* X__Y */
930		break;
931	case 3:
932		if (HAS_SWIZZLE(0,X))
933			return V_028C70_SWAP_STD; /* XYZ */
934		else if (HAS_SWIZZLE(0,Z))
935			return V_028C70_SWAP_STD_REV; /* ZYX */
936		break;
937	case 4:
938		/* check the middle channels, the 1st and 4th channel can be NONE */
939		if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,Z))
940			return V_028C70_SWAP_STD; /* XYZW */
941		else if (HAS_SWIZZLE(1,Z) && HAS_SWIZZLE(2,Y))
942			return V_028C70_SWAP_STD_REV; /* WZYX */
943		else if (HAS_SWIZZLE(1,Y) && HAS_SWIZZLE(2,X))
944			return V_028C70_SWAP_ALT; /* ZYXW */
945		else if (HAS_SWIZZLE(1,X) && HAS_SWIZZLE(2,Y))
946			return V_028C70_SWAP_ALT_REV; /* WXYZ */
947		break;
948	}
949	return ~0U;
950}
951
952static uint32_t si_colorformat_endian_swap(uint32_t colorformat)
953{
954	if (R600_BIG_ENDIAN) {
955		switch(colorformat) {
956		/* 8-bit buffers. */
957		case V_028C70_COLOR_8:
958			return V_028C70_ENDIAN_NONE;
959
960		/* 16-bit buffers. */
961		case V_028C70_COLOR_5_6_5:
962		case V_028C70_COLOR_1_5_5_5:
963		case V_028C70_COLOR_4_4_4_4:
964		case V_028C70_COLOR_16:
965		case V_028C70_COLOR_8_8:
966			return V_028C70_ENDIAN_8IN16;
967
968		/* 32-bit buffers. */
969		case V_028C70_COLOR_8_8_8_8:
970		case V_028C70_COLOR_2_10_10_10:
971		case V_028C70_COLOR_8_24:
972		case V_028C70_COLOR_24_8:
973		case V_028C70_COLOR_16_16:
974			return V_028C70_ENDIAN_8IN32;
975
976		/* 64-bit buffers. */
977		case V_028C70_COLOR_16_16_16_16:
978			return V_028C70_ENDIAN_8IN16;
979
980		case V_028C70_COLOR_32_32:
981			return V_028C70_ENDIAN_8IN32;
982
983		/* 128-bit buffers. */
984		case V_028C70_COLOR_32_32_32_32:
985			return V_028C70_ENDIAN_8IN32;
986		default:
987			return V_028C70_ENDIAN_NONE; /* Unsupported. */
988		}
989	} else {
990		return V_028C70_ENDIAN_NONE;
991	}
992}
993
994/* Returns the size in bits of the widest component of a CB format */
995static unsigned si_colorformat_max_comp_size(uint32_t colorformat)
996{
997	switch(colorformat) {
998	case V_028C70_COLOR_4_4_4_4:
999		return 4;
1000
1001	case V_028C70_COLOR_1_5_5_5:
1002	case V_028C70_COLOR_5_5_5_1:
1003		return 5;
1004
1005	case V_028C70_COLOR_5_6_5:
1006		return 6;
1007
1008	case V_028C70_COLOR_8:
1009	case V_028C70_COLOR_8_8:
1010	case V_028C70_COLOR_8_8_8_8:
1011		return 8;
1012
1013	case V_028C70_COLOR_10_10_10_2:
1014	case V_028C70_COLOR_2_10_10_10:
1015		return 10;
1016
1017	case V_028C70_COLOR_10_11_11:
1018	case V_028C70_COLOR_11_11_10:
1019		return 11;
1020
1021	case V_028C70_COLOR_16:
1022	case V_028C70_COLOR_16_16:
1023	case V_028C70_COLOR_16_16_16_16:
1024		return 16;
1025
1026	case V_028C70_COLOR_8_24:
1027	case V_028C70_COLOR_24_8:
1028		return 24;
1029
1030	case V_028C70_COLOR_32:
1031	case V_028C70_COLOR_32_32:
1032	case V_028C70_COLOR_32_32_32_32:
1033	case V_028C70_COLOR_X24_8_32_FLOAT:
1034		return 32;
1035	}
1036
1037	assert(!"Unknown maximum component size");
1038	return 0;
1039}
1040
1041static uint32_t si_translate_dbformat(enum pipe_format format)
1042{
1043	switch (format) {
1044	case PIPE_FORMAT_Z16_UNORM:
1045		return V_028040_Z_16;
1046	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1047	case PIPE_FORMAT_X8Z24_UNORM:
1048	case PIPE_FORMAT_Z24X8_UNORM:
1049	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1050		return V_028040_Z_24; /* deprecated on SI */
1051	case PIPE_FORMAT_Z32_FLOAT:
1052	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1053		return V_028040_Z_32_FLOAT;
1054	default:
1055		return V_028040_Z_INVALID;
1056	}
1057}
1058
1059/*
1060 * Texture translation
1061 */
1062
1063static uint32_t si_translate_texformat(struct pipe_screen *screen,
1064				       enum pipe_format format,
1065				       const struct util_format_description *desc,
1066				       int first_non_void)
1067{
1068	struct r600_screen *rscreen = (struct r600_screen*)screen;
1069	bool enable_s3tc = rscreen->b.info.drm_minor >= 31;
1070	boolean uniform = TRUE;
1071	int i;
1072
1073	/* Colorspace (return non-RGB formats directly). */
1074	switch (desc->colorspace) {
1075	/* Depth stencil formats */
1076	case UTIL_FORMAT_COLORSPACE_ZS:
1077		switch (format) {
1078		case PIPE_FORMAT_Z16_UNORM:
1079			return V_008F14_IMG_DATA_FORMAT_16;
1080		case PIPE_FORMAT_X24S8_UINT:
1081		case PIPE_FORMAT_Z24X8_UNORM:
1082		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1083			return V_008F14_IMG_DATA_FORMAT_8_24;
1084		case PIPE_FORMAT_X8Z24_UNORM:
1085		case PIPE_FORMAT_S8X24_UINT:
1086		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1087			return V_008F14_IMG_DATA_FORMAT_24_8;
1088		case PIPE_FORMAT_S8_UINT:
1089			return V_008F14_IMG_DATA_FORMAT_8;
1090		case PIPE_FORMAT_Z32_FLOAT:
1091			return V_008F14_IMG_DATA_FORMAT_32;
1092		case PIPE_FORMAT_X32_S8X24_UINT:
1093		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1094			return V_008F14_IMG_DATA_FORMAT_X24_8_32;
1095		default:
1096			goto out_unknown;
1097		}
1098
1099	case UTIL_FORMAT_COLORSPACE_YUV:
1100		goto out_unknown; /* TODO */
1101
1102	case UTIL_FORMAT_COLORSPACE_SRGB:
1103		if (desc->nr_channels != 4 && desc->nr_channels != 1)
1104			goto out_unknown;
1105		break;
1106
1107	default:
1108		break;
1109	}
1110
1111	if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
1112		if (!enable_s3tc)
1113			goto out_unknown;
1114
1115		switch (format) {
1116		case PIPE_FORMAT_RGTC1_SNORM:
1117		case PIPE_FORMAT_LATC1_SNORM:
1118		case PIPE_FORMAT_RGTC1_UNORM:
1119		case PIPE_FORMAT_LATC1_UNORM:
1120			return V_008F14_IMG_DATA_FORMAT_BC4;
1121		case PIPE_FORMAT_RGTC2_SNORM:
1122		case PIPE_FORMAT_LATC2_SNORM:
1123		case PIPE_FORMAT_RGTC2_UNORM:
1124		case PIPE_FORMAT_LATC2_UNORM:
1125			return V_008F14_IMG_DATA_FORMAT_BC5;
1126		default:
1127			goto out_unknown;
1128		}
1129	}
1130
1131	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
1132
1133		if (!enable_s3tc)
1134			goto out_unknown;
1135
1136		if (!util_format_s3tc_enabled) {
1137			goto out_unknown;
1138		}
1139
1140		switch (format) {
1141		case PIPE_FORMAT_DXT1_RGB:
1142		case PIPE_FORMAT_DXT1_RGBA:
1143		case PIPE_FORMAT_DXT1_SRGB:
1144		case PIPE_FORMAT_DXT1_SRGBA:
1145			return V_008F14_IMG_DATA_FORMAT_BC1;
1146		case PIPE_FORMAT_DXT3_RGBA:
1147		case PIPE_FORMAT_DXT3_SRGBA:
1148			return V_008F14_IMG_DATA_FORMAT_BC2;
1149		case PIPE_FORMAT_DXT5_RGBA:
1150		case PIPE_FORMAT_DXT5_SRGBA:
1151			return V_008F14_IMG_DATA_FORMAT_BC3;
1152		default:
1153			goto out_unknown;
1154		}
1155	}
1156
1157	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
1158		return V_008F14_IMG_DATA_FORMAT_5_9_9_9;
1159	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
1160		return V_008F14_IMG_DATA_FORMAT_10_11_11;
1161	}
1162
1163	/* R8G8Bx_SNORM - TODO CxV8U8 */
1164
1165	/* See whether the components are of the same size. */
1166	for (i = 1; i < desc->nr_channels; i++) {
1167		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
1168	}
1169
1170	/* Non-uniform formats. */
1171	if (!uniform) {
1172		switch(desc->nr_channels) {
1173		case 3:
1174			if (desc->channel[0].size == 5 &&
1175			    desc->channel[1].size == 6 &&
1176			    desc->channel[2].size == 5) {
1177				return V_008F14_IMG_DATA_FORMAT_5_6_5;
1178			}
1179			goto out_unknown;
1180		case 4:
1181			if (desc->channel[0].size == 5 &&
1182			    desc->channel[1].size == 5 &&
1183			    desc->channel[2].size == 5 &&
1184			    desc->channel[3].size == 1) {
1185				return V_008F14_IMG_DATA_FORMAT_1_5_5_5;
1186			}
1187			if (desc->channel[0].size == 10 &&
1188			    desc->channel[1].size == 10 &&
1189			    desc->channel[2].size == 10 &&
1190			    desc->channel[3].size == 2) {
1191				return V_008F14_IMG_DATA_FORMAT_2_10_10_10;
1192			}
1193			goto out_unknown;
1194		}
1195		goto out_unknown;
1196	}
1197
1198	if (first_non_void < 0 || first_non_void > 3)
1199		goto out_unknown;
1200
1201	/* uniform formats */
1202	switch (desc->channel[first_non_void].size) {
1203	case 4:
1204		switch (desc->nr_channels) {
1205#if 0 /* Not supported for render targets */
1206		case 2:
1207			return V_008F14_IMG_DATA_FORMAT_4_4;
1208#endif
1209		case 4:
1210			return V_008F14_IMG_DATA_FORMAT_4_4_4_4;
1211		}
1212		break;
1213	case 8:
1214		switch (desc->nr_channels) {
1215		case 1:
1216			return V_008F14_IMG_DATA_FORMAT_8;
1217		case 2:
1218			return V_008F14_IMG_DATA_FORMAT_8_8;
1219		case 4:
1220			return V_008F14_IMG_DATA_FORMAT_8_8_8_8;
1221		}
1222		break;
1223	case 16:
1224		switch (desc->nr_channels) {
1225		case 1:
1226			return V_008F14_IMG_DATA_FORMAT_16;
1227		case 2:
1228			return V_008F14_IMG_DATA_FORMAT_16_16;
1229		case 4:
1230			return V_008F14_IMG_DATA_FORMAT_16_16_16_16;
1231		}
1232		break;
1233	case 32:
1234		switch (desc->nr_channels) {
1235		case 1:
1236			return V_008F14_IMG_DATA_FORMAT_32;
1237		case 2:
1238			return V_008F14_IMG_DATA_FORMAT_32_32;
1239#if 0 /* Not supported for render targets */
1240		case 3:
1241			return V_008F14_IMG_DATA_FORMAT_32_32_32;
1242#endif
1243		case 4:
1244			return V_008F14_IMG_DATA_FORMAT_32_32_32_32;
1245		}
1246	}
1247
1248out_unknown:
1249	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1250	return ~0;
1251}
1252
1253static unsigned si_tex_wrap(unsigned wrap)
1254{
1255	switch (wrap) {
1256	default:
1257	case PIPE_TEX_WRAP_REPEAT:
1258		return V_008F30_SQ_TEX_WRAP;
1259	case PIPE_TEX_WRAP_CLAMP:
1260		return V_008F30_SQ_TEX_CLAMP_HALF_BORDER;
1261	case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
1262		return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL;
1263	case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
1264		return V_008F30_SQ_TEX_CLAMP_BORDER;
1265	case PIPE_TEX_WRAP_MIRROR_REPEAT:
1266		return V_008F30_SQ_TEX_MIRROR;
1267	case PIPE_TEX_WRAP_MIRROR_CLAMP:
1268		return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER;
1269	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
1270		return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL;
1271	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
1272		return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER;
1273	}
1274}
1275
1276static unsigned si_tex_filter(unsigned filter)
1277{
1278	switch (filter) {
1279	default:
1280	case PIPE_TEX_FILTER_NEAREST:
1281		return V_008F38_SQ_TEX_XY_FILTER_POINT;
1282	case PIPE_TEX_FILTER_LINEAR:
1283		return V_008F38_SQ_TEX_XY_FILTER_BILINEAR;
1284	}
1285}
1286
1287static unsigned si_tex_mipfilter(unsigned filter)
1288{
1289	switch (filter) {
1290	case PIPE_TEX_MIPFILTER_NEAREST:
1291		return V_008F38_SQ_TEX_Z_FILTER_POINT;
1292	case PIPE_TEX_MIPFILTER_LINEAR:
1293		return V_008F38_SQ_TEX_Z_FILTER_LINEAR;
1294	default:
1295	case PIPE_TEX_MIPFILTER_NONE:
1296		return V_008F38_SQ_TEX_Z_FILTER_NONE;
1297	}
1298}
1299
1300static unsigned si_tex_compare(unsigned compare)
1301{
1302	switch (compare) {
1303	default:
1304	case PIPE_FUNC_NEVER:
1305		return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER;
1306	case PIPE_FUNC_LESS:
1307		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS;
1308	case PIPE_FUNC_EQUAL:
1309		return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL;
1310	case PIPE_FUNC_LEQUAL:
1311		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL;
1312	case PIPE_FUNC_GREATER:
1313		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER;
1314	case PIPE_FUNC_NOTEQUAL:
1315		return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL;
1316	case PIPE_FUNC_GEQUAL:
1317		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL;
1318	case PIPE_FUNC_ALWAYS:
1319		return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS;
1320	}
1321}
1322
1323static unsigned si_tex_dim(unsigned dim, unsigned nr_samples)
1324{
1325	switch (dim) {
1326	default:
1327	case PIPE_TEXTURE_1D:
1328		return V_008F1C_SQ_RSRC_IMG_1D;
1329	case PIPE_TEXTURE_1D_ARRAY:
1330		return V_008F1C_SQ_RSRC_IMG_1D_ARRAY;
1331	case PIPE_TEXTURE_2D:
1332	case PIPE_TEXTURE_RECT:
1333		return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA :
1334					V_008F1C_SQ_RSRC_IMG_2D;
1335	case PIPE_TEXTURE_2D_ARRAY:
1336		return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY :
1337					V_008F1C_SQ_RSRC_IMG_2D_ARRAY;
1338	case PIPE_TEXTURE_3D:
1339		return V_008F1C_SQ_RSRC_IMG_3D;
1340	case PIPE_TEXTURE_CUBE:
1341		return V_008F1C_SQ_RSRC_IMG_CUBE;
1342	}
1343}
1344
1345/*
1346 * Format support testing
1347 */
1348
1349static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
1350{
1351	return si_translate_texformat(screen, format, util_format_description(format),
1352				      util_format_get_first_non_void_channel(format)) != ~0U;
1353}
1354
1355static uint32_t si_translate_buffer_dataformat(struct pipe_screen *screen,
1356					       const struct util_format_description *desc,
1357					       int first_non_void)
1358{
1359	unsigned type = desc->channel[first_non_void].type;
1360	int i;
1361
1362	if (type == UTIL_FORMAT_TYPE_FIXED)
1363		return V_008F0C_BUF_DATA_FORMAT_INVALID;
1364
1365	if (desc->nr_channels == 4 &&
1366	    desc->channel[0].size == 10 &&
1367	    desc->channel[1].size == 10 &&
1368	    desc->channel[2].size == 10 &&
1369	    desc->channel[3].size == 2)
1370		return V_008F0C_BUF_DATA_FORMAT_2_10_10_10;
1371
1372	/* See whether the components are of the same size. */
1373	for (i = 0; i < desc->nr_channels; i++) {
1374		if (desc->channel[first_non_void].size != desc->channel[i].size)
1375			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1376	}
1377
1378	switch (desc->channel[first_non_void].size) {
1379	case 8:
1380		switch (desc->nr_channels) {
1381		case 1:
1382			return V_008F0C_BUF_DATA_FORMAT_8;
1383		case 2:
1384			return V_008F0C_BUF_DATA_FORMAT_8_8;
1385		case 3:
1386		case 4:
1387			return V_008F0C_BUF_DATA_FORMAT_8_8_8_8;
1388		}
1389		break;
1390	case 16:
1391		switch (desc->nr_channels) {
1392		case 1:
1393			return V_008F0C_BUF_DATA_FORMAT_16;
1394		case 2:
1395			return V_008F0C_BUF_DATA_FORMAT_16_16;
1396		case 3:
1397		case 4:
1398			return V_008F0C_BUF_DATA_FORMAT_16_16_16_16;
1399		}
1400		break;
1401	case 32:
1402		/* From the Southern Islands ISA documentation about MTBUF:
1403		 * 'Memory reads of data in memory that is 32 or 64 bits do not
1404		 * undergo any format conversion.'
1405		 */
1406		if (type != UTIL_FORMAT_TYPE_FLOAT &&
1407		    !desc->channel[first_non_void].pure_integer)
1408			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1409
1410		switch (desc->nr_channels) {
1411		case 1:
1412			return V_008F0C_BUF_DATA_FORMAT_32;
1413		case 2:
1414			return V_008F0C_BUF_DATA_FORMAT_32_32;
1415		case 3:
1416			return V_008F0C_BUF_DATA_FORMAT_32_32_32;
1417		case 4:
1418			return V_008F0C_BUF_DATA_FORMAT_32_32_32_32;
1419		}
1420		break;
1421	}
1422
1423	return V_008F0C_BUF_DATA_FORMAT_INVALID;
1424}
1425
1426static uint32_t si_translate_buffer_numformat(struct pipe_screen *screen,
1427					      const struct util_format_description *desc,
1428					      int first_non_void)
1429{
1430	switch (desc->channel[first_non_void].type) {
1431	case UTIL_FORMAT_TYPE_SIGNED:
1432		if (desc->channel[first_non_void].normalized)
1433			return V_008F0C_BUF_NUM_FORMAT_SNORM;
1434		else if (desc->channel[first_non_void].pure_integer)
1435			return V_008F0C_BUF_NUM_FORMAT_SINT;
1436		else
1437			return V_008F0C_BUF_NUM_FORMAT_SSCALED;
1438		break;
1439	case UTIL_FORMAT_TYPE_UNSIGNED:
1440		if (desc->channel[first_non_void].normalized)
1441			return V_008F0C_BUF_NUM_FORMAT_UNORM;
1442		else if (desc->channel[first_non_void].pure_integer)
1443			return V_008F0C_BUF_NUM_FORMAT_UINT;
1444		else
1445			return V_008F0C_BUF_NUM_FORMAT_USCALED;
1446		break;
1447	case UTIL_FORMAT_TYPE_FLOAT:
1448	default:
1449		return V_008F0C_BUF_NUM_FORMAT_FLOAT;
1450	}
1451}
1452
1453static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format)
1454{
1455	const struct util_format_description *desc;
1456	int first_non_void;
1457	unsigned data_format;
1458
1459	desc = util_format_description(format);
1460	first_non_void = util_format_get_first_non_void_channel(format);
1461	data_format = si_translate_buffer_dataformat(screen, desc, first_non_void);
1462	return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID;
1463}
1464
1465static bool si_is_colorbuffer_format_supported(enum pipe_format format)
1466{
1467	return si_translate_colorformat(format) != V_028C70_COLOR_INVALID &&
1468		si_translate_colorswap(format) != ~0U;
1469}
1470
1471static bool si_is_zs_format_supported(enum pipe_format format)
1472{
1473	return si_translate_dbformat(format) != V_028040_Z_INVALID;
1474}
1475
1476boolean si_is_format_supported(struct pipe_screen *screen,
1477                               enum pipe_format format,
1478                               enum pipe_texture_target target,
1479                               unsigned sample_count,
1480                               unsigned usage)
1481{
1482	struct r600_screen *rscreen = (struct r600_screen *)screen;
1483	unsigned retval = 0;
1484
1485	if (target >= PIPE_MAX_TEXTURE_TYPES) {
1486		R600_ERR("r600: unsupported texture type %d\n", target);
1487		return FALSE;
1488	}
1489
1490	if (!util_format_is_supported(format, usage))
1491		return FALSE;
1492
1493	if (sample_count > 1) {
1494		if (HAVE_LLVM < 0x0304)
1495			return FALSE;
1496
1497		/* 2D tiling on CIK is supported since DRM 2.35.0 */
1498		if (rscreen->b.chip_class >= CIK && rscreen->b.info.drm_minor < 35)
1499			return FALSE;
1500
1501		switch (sample_count) {
1502		case 2:
1503		case 4:
1504		case 8:
1505			break;
1506		default:
1507			return FALSE;
1508		}
1509	}
1510
1511	if (usage & PIPE_BIND_SAMPLER_VIEW) {
1512		if (target == PIPE_BUFFER) {
1513			if (si_is_vertex_format_supported(screen, format))
1514				retval |= PIPE_BIND_SAMPLER_VIEW;
1515		} else {
1516			if (si_is_sampler_format_supported(screen, format))
1517				retval |= PIPE_BIND_SAMPLER_VIEW;
1518		}
1519	}
1520
1521	if ((usage & (PIPE_BIND_RENDER_TARGET |
1522		      PIPE_BIND_DISPLAY_TARGET |
1523		      PIPE_BIND_SCANOUT |
1524		      PIPE_BIND_SHARED)) &&
1525	    si_is_colorbuffer_format_supported(format)) {
1526		retval |= usage &
1527			  (PIPE_BIND_RENDER_TARGET |
1528			   PIPE_BIND_DISPLAY_TARGET |
1529			   PIPE_BIND_SCANOUT |
1530			   PIPE_BIND_SHARED);
1531	}
1532
1533	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
1534	    si_is_zs_format_supported(format)) {
1535		retval |= PIPE_BIND_DEPTH_STENCIL;
1536	}
1537
1538	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
1539	    si_is_vertex_format_supported(screen, format)) {
1540		retval |= PIPE_BIND_VERTEX_BUFFER;
1541	}
1542
1543	if (usage & PIPE_BIND_TRANSFER_READ)
1544		retval |= PIPE_BIND_TRANSFER_READ;
1545	if (usage & PIPE_BIND_TRANSFER_WRITE)
1546		retval |= PIPE_BIND_TRANSFER_WRITE;
1547
1548	return retval == usage;
1549}
1550
1551static unsigned si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil)
1552{
1553	unsigned tile_mode_index = 0;
1554
1555	if (stencil) {
1556		tile_mode_index = rtex->surface.stencil_tiling_index[level];
1557	} else {
1558		tile_mode_index = rtex->surface.tiling_index[level];
1559	}
1560	return tile_mode_index;
1561}
1562
1563/*
1564 * framebuffer handling
1565 */
1566
1567static void si_cb(struct r600_context *rctx, struct si_pm4_state *pm4,
1568		  const struct pipe_framebuffer_state *state, int cb)
1569{
1570	struct r600_texture *rtex;
1571	struct r600_surface *surf;
1572	unsigned level = state->cbufs[cb]->u.tex.level;
1573	unsigned pitch, slice;
1574	unsigned color_info, color_attrib, color_pitch;
1575	unsigned tile_mode_index;
1576	unsigned format, swap, ntype, endian;
1577	uint64_t offset;
1578	const struct util_format_description *desc;
1579	int i;
1580	unsigned blend_clamp = 0, blend_bypass = 0;
1581	unsigned max_comp_size;
1582
1583	surf = (struct r600_surface *)state->cbufs[cb];
1584	rtex = (struct r600_texture*)state->cbufs[cb]->texture;
1585
1586	offset = rtex->surface.level[level].offset;
1587	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
1588		offset += rtex->surface.level[level].slice_size *
1589			  state->cbufs[cb]->u.tex.first_layer;
1590	}
1591	pitch = (rtex->surface.level[level].nblk_x) / 8 - 1;
1592	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
1593	if (slice) {
1594		slice = slice - 1;
1595	}
1596
1597	tile_mode_index = si_tile_mode_index(rtex, level, false);
1598
1599	desc = util_format_description(surf->base.format);
1600	for (i = 0; i < 4; i++) {
1601		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
1602			break;
1603		}
1604	}
1605	if (i == 4 || desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
1606		ntype = V_028C70_NUMBER_FLOAT;
1607	} else {
1608		ntype = V_028C70_NUMBER_UNORM;
1609		if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
1610			ntype = V_028C70_NUMBER_SRGB;
1611		else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
1612			if (desc->channel[i].pure_integer) {
1613				ntype = V_028C70_NUMBER_SINT;
1614			} else {
1615				assert(desc->channel[i].normalized);
1616				ntype = V_028C70_NUMBER_SNORM;
1617			}
1618		} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
1619			if (desc->channel[i].pure_integer) {
1620				ntype = V_028C70_NUMBER_UINT;
1621			} else {
1622				assert(desc->channel[i].normalized);
1623				ntype = V_028C70_NUMBER_UNORM;
1624			}
1625		}
1626	}
1627
1628	format = si_translate_colorformat(surf->base.format);
1629	if (format == V_028C70_COLOR_INVALID) {
1630		R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format);
1631	}
1632	assert(format != V_028C70_COLOR_INVALID);
1633	swap = si_translate_colorswap(surf->base.format);
1634	if (rtex->resource.b.b.usage == PIPE_USAGE_STAGING) {
1635		endian = V_028C70_ENDIAN_NONE;
1636	} else {
1637		endian = si_colorformat_endian_swap(format);
1638	}
1639
1640	/* blend clamp should be set for all NORM/SRGB types */
1641	if (ntype == V_028C70_NUMBER_UNORM ||
1642	    ntype == V_028C70_NUMBER_SNORM ||
1643	    ntype == V_028C70_NUMBER_SRGB)
1644		blend_clamp = 1;
1645
1646	/* set blend bypass according to docs if SINT/UINT or
1647	   8/24 COLOR variants */
1648	if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT ||
1649	    format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 ||
1650	    format == V_028C70_COLOR_X24_8_32_FLOAT) {
1651		blend_clamp = 0;
1652		blend_bypass = 1;
1653	}
1654
1655	color_info = S_028C70_FORMAT(format) |
1656		S_028C70_COMP_SWAP(swap) |
1657		S_028C70_BLEND_CLAMP(blend_clamp) |
1658		S_028C70_BLEND_BYPASS(blend_bypass) |
1659		S_028C70_NUMBER_TYPE(ntype) |
1660		S_028C70_ENDIAN(endian);
1661
1662	color_pitch = S_028C64_TILE_MAX(pitch);
1663
1664	color_attrib = S_028C74_TILE_MODE_INDEX(tile_mode_index) |
1665		S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == UTIL_FORMAT_SWIZZLE_1);
1666
1667	if (rtex->resource.b.b.nr_samples > 1) {
1668		unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples);
1669
1670		color_attrib |= S_028C74_NUM_SAMPLES(log_samples) |
1671				S_028C74_NUM_FRAGMENTS(log_samples);
1672
1673		if (rtex->fmask.size) {
1674			color_info |= S_028C70_COMPRESSION(1);
1675			unsigned fmask_bankh = util_logbase2(rtex->fmask.bank_height);
1676
1677			color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(rtex->fmask.tile_mode_index);
1678
1679			if (rctx->b.chip_class == SI) {
1680				/* due to a hw bug, FMASK_BANK_HEIGHT must be set on SI too */
1681				color_attrib |= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh);
1682			}
1683			if (rctx->b.chip_class >= CIK) {
1684				color_pitch |= S_028C64_FMASK_TILE_MAX(rtex->fmask.pitch / 8 - 1);
1685			}
1686		}
1687	}
1688
1689	if (rtex->cmask.size) {
1690		color_info |= S_028C70_FAST_CLEAR(1);
1691	}
1692
1693	offset += r600_resource_va(rctx->b.b.screen, state->cbufs[cb]->texture);
1694	offset >>= 8;
1695
1696	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
1697	si_pm4_set_reg(pm4, R_028C60_CB_COLOR0_BASE + cb * 0x3C, offset);
1698	si_pm4_set_reg(pm4, R_028C64_CB_COLOR0_PITCH + cb * 0x3C, color_pitch);
1699	si_pm4_set_reg(pm4, R_028C68_CB_COLOR0_SLICE + cb * 0x3C, S_028C68_TILE_MAX(slice));
1700
1701	if (rtex->surface.level[level].mode < RADEON_SURF_MODE_1D) {
1702		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C, 0x00000000);
1703	} else {
1704		si_pm4_set_reg(pm4, R_028C6C_CB_COLOR0_VIEW + cb * 0x3C,
1705			       S_028C6C_SLICE_START(state->cbufs[cb]->u.tex.first_layer) |
1706			       S_028C6C_SLICE_MAX(state->cbufs[cb]->u.tex.last_layer));
1707	}
1708	si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + cb * 0x3C, color_info);
1709	si_pm4_set_reg(pm4, R_028C74_CB_COLOR0_ATTRIB + cb * 0x3C, color_attrib);
1710
1711	if (rtex->cmask.size) {
1712		si_pm4_set_reg(pm4, R_028C7C_CB_COLOR0_CMASK + cb * 0x3C,
1713			       offset + (rtex->cmask.offset >> 8));
1714		si_pm4_set_reg(pm4, R_028C80_CB_COLOR0_CMASK_SLICE + cb * 0x3C,
1715			       S_028C80_TILE_MAX(rtex->cmask.slice_tile_max));
1716	}
1717	if (rtex->fmask.size) {
1718		si_pm4_set_reg(pm4, R_028C84_CB_COLOR0_FMASK + cb * 0x3C,
1719			       offset + (rtex->fmask.offset >> 8));
1720		si_pm4_set_reg(pm4, R_028C88_CB_COLOR0_FMASK_SLICE + cb * 0x3C,
1721			       S_028C88_TILE_MAX(rtex->fmask.slice_tile_max));
1722	}
1723
1724	/* set CB_COLOR1_INFO for possible dual-src blending */
1725	if (state->nr_cbufs == 1) {
1726		assert(cb == 0);
1727		si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + 1 * 0x3C, color_info);
1728	}
1729
1730	/* Determine pixel shader export format */
1731	max_comp_size = si_colorformat_max_comp_size(format);
1732	if (ntype == V_028C70_NUMBER_SRGB ||
1733	    ((ntype == V_028C70_NUMBER_UNORM || ntype == V_028C70_NUMBER_SNORM) &&
1734	     max_comp_size <= 10) ||
1735	    (ntype == V_028C70_NUMBER_FLOAT && max_comp_size <= 16)) {
1736		rctx->export_16bpc |= 1 << cb;
1737		/* set SPI_SHADER_COL_FORMAT for possible dual-src blending */
1738		if (state->nr_cbufs == 1)
1739			rctx->export_16bpc |= 1 << 1;
1740	}
1741}
1742
1743static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
1744		  const struct pipe_framebuffer_state *state)
1745{
1746	struct r600_screen *rscreen = rctx->screen;
1747	struct r600_texture *rtex;
1748	struct r600_surface *surf;
1749	unsigned level, pitch, slice, format, tile_mode_index, array_mode;
1750	unsigned macro_aspect, tile_split, stile_split, bankh, bankw, nbanks, pipe_config;
1751	uint32_t z_info, s_info, db_depth_info;
1752	uint64_t z_offs, s_offs;
1753
1754	if (state->zsbuf == NULL) {
1755		si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, S_028040_FORMAT(V_028040_Z_INVALID));
1756		si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, S_028044_FORMAT(V_028044_STENCIL_INVALID));
1757		return;
1758	}
1759
1760	surf = (struct r600_surface *)state->zsbuf;
1761	level = surf->base.u.tex.level;
1762	rtex = (struct r600_texture*)surf->base.texture;
1763
1764	format = si_translate_dbformat(rtex->resource.b.b.format);
1765
1766	if (format == V_028040_Z_INVALID) {
1767		R600_ERR("Invalid DB format: %d, disabling DB.\n", rtex->resource.b.b.format);
1768	}
1769	assert(format != V_028040_Z_INVALID);
1770
1771	s_offs = z_offs = r600_resource_va(rctx->b.b.screen, surf->base.texture);
1772	z_offs += rtex->surface.level[level].offset;
1773	s_offs += rtex->surface.stencil_level[level].offset;
1774
1775	z_offs >>= 8;
1776	s_offs >>= 8;
1777
1778	pitch = (rtex->surface.level[level].nblk_x / 8) - 1;
1779	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
1780	if (slice) {
1781		slice = slice - 1;
1782	}
1783
1784	db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(1);
1785
1786	z_info = S_028040_FORMAT(format);
1787	if (rtex->resource.b.b.nr_samples > 1) {
1788		z_info |= S_028040_NUM_SAMPLES(util_logbase2(rtex->resource.b.b.nr_samples));
1789	}
1790
1791	if (rtex->surface.flags & RADEON_SURF_SBUFFER)
1792		s_info = S_028044_FORMAT(V_028044_STENCIL_8);
1793	else
1794		s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID);
1795
1796	if (rctx->b.chip_class >= CIK) {
1797		switch (rtex->surface.level[level].mode) {
1798		case RADEON_SURF_MODE_2D:
1799			array_mode = V_02803C_ARRAY_2D_TILED_THIN1;
1800			break;
1801		case RADEON_SURF_MODE_1D:
1802		case RADEON_SURF_MODE_LINEAR_ALIGNED:
1803		case RADEON_SURF_MODE_LINEAR:
1804		default:
1805			array_mode = V_02803C_ARRAY_1D_TILED_THIN1;
1806			break;
1807		}
1808		tile_split = rtex->surface.tile_split;
1809		stile_split = rtex->surface.stencil_tile_split;
1810		macro_aspect = rtex->surface.mtilea;
1811		bankw = rtex->surface.bankw;
1812		bankh = rtex->surface.bankh;
1813		tile_split = cik_tile_split(tile_split);
1814		stile_split = cik_tile_split(stile_split);
1815		macro_aspect = cik_macro_tile_aspect(macro_aspect);
1816		bankw = cik_bank_wh(bankw);
1817		bankh = cik_bank_wh(bankh);
1818		nbanks = cik_num_banks(rscreen->b.tiling_info.num_banks);
1819		pipe_config = cik_db_pipe_config(rscreen->b.info.r600_num_tile_pipes,
1820						 rscreen->b.info.r600_num_backends);
1821
1822		db_depth_info |= S_02803C_ARRAY_MODE(array_mode) |
1823			S_02803C_PIPE_CONFIG(pipe_config) |
1824			S_02803C_BANK_WIDTH(bankw) |
1825			S_02803C_BANK_HEIGHT(bankh) |
1826			S_02803C_MACRO_TILE_ASPECT(macro_aspect) |
1827			S_02803C_NUM_BANKS(nbanks);
1828		z_info |= S_028040_TILE_SPLIT(tile_split);
1829		s_info |= S_028044_TILE_SPLIT(stile_split);
1830	} else {
1831		tile_mode_index = si_tile_mode_index(rtex, level, false);
1832		z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index);
1833		tile_mode_index = si_tile_mode_index(rtex, level, true);
1834		s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index);
1835	}
1836
1837	si_pm4_set_reg(pm4, R_028008_DB_DEPTH_VIEW,
1838		       S_028008_SLICE_START(state->zsbuf->u.tex.first_layer) |
1839		       S_028008_SLICE_MAX(state->zsbuf->u.tex.last_layer));
1840
1841	si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, db_depth_info);
1842	si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, z_info);
1843	si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, s_info);
1844
1845	si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
1846	si_pm4_set_reg(pm4, R_028048_DB_Z_READ_BASE, z_offs);
1847	si_pm4_set_reg(pm4, R_02804C_DB_STENCIL_READ_BASE, s_offs);
1848	si_pm4_set_reg(pm4, R_028050_DB_Z_WRITE_BASE, z_offs);
1849	si_pm4_set_reg(pm4, R_028054_DB_STENCIL_WRITE_BASE, s_offs);
1850
1851	si_pm4_set_reg(pm4, R_028058_DB_DEPTH_SIZE, S_028058_PITCH_TILE_MAX(pitch));
1852	si_pm4_set_reg(pm4, R_02805C_DB_DEPTH_SLICE, S_02805C_SLICE_TILE_MAX(slice));
1853}
1854
1855#define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y)  \
1856	(((s0x) & 0xf) | (((s0y) & 0xf) << 4) |		   \
1857	(((s1x) & 0xf) << 8) | (((s1y) & 0xf) << 12) |	   \
1858	(((s2x) & 0xf) << 16) | (((s2y) & 0xf) << 20) |	   \
1859	 (((s3x) & 0xf) << 24) | (((s3y) & 0xf) << 28))
1860
1861/* 2xMSAA
1862 * There are two locations (-4, 4), (4, -4). */
1863static uint32_t sample_locs_2x[] = {
1864	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1865	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1866	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1867	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1868};
1869static unsigned max_dist_2x = 4;
1870/* 4xMSAA
1871 * There are 4 locations: (-2, -2), (2, 2), (-6, 6), (6, -6). */
1872static uint32_t sample_locs_4x[] = {
1873	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1874	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1875	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1876	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1877};
1878static unsigned max_dist_4x = 6;
1879/* Cayman/SI 8xMSAA */
1880static uint32_t cm_sample_locs_8x[] = {
1881	FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
1882	FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
1883	FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
1884	FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
1885	FILL_SREG( 6,  0, 0,  0, -5, 3,  4,  4),
1886	FILL_SREG( 6,  0, 0,  0, -5, 3,  4,  4),
1887	FILL_SREG( 6,  0, 0,  0, -5, 3,  4,  4),
1888	FILL_SREG( 6,  0, 0,  0, -5, 3,  4,  4),
1889};
1890static unsigned cm_max_dist_8x = 8;
1891/* Cayman/SI 16xMSAA */
1892static uint32_t cm_sample_locs_16x[] = {
1893	FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
1894	FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
1895	FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
1896	FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
1897	FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
1898	FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
1899	FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
1900	FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
1901	FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
1902	FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
1903	FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
1904	FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
1905	FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
1906	FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
1907	FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
1908	FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
1909};
1910static unsigned cm_max_dist_16x = 8;
1911
1912static void si_get_sample_position(struct pipe_context *ctx,
1913				   unsigned sample_count,
1914				   unsigned sample_index,
1915				   float *out_value)
1916{
1917	int offset, index;
1918	struct {
1919		int idx:4;
1920	} val;
1921	switch (sample_count) {
1922	case 1:
1923	default:
1924		out_value[0] = out_value[1] = 0.5;
1925		break;
1926	case 2:
1927		offset = 4 * (sample_index * 2);
1928		val.idx = (sample_locs_2x[0] >> offset) & 0xf;
1929		out_value[0] = (float)(val.idx + 8) / 16.0f;
1930		val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
1931		out_value[1] = (float)(val.idx + 8) / 16.0f;
1932		break;
1933	case 4:
1934		offset = 4 * (sample_index * 2);
1935		val.idx = (sample_locs_4x[0] >> offset) & 0xf;
1936		out_value[0] = (float)(val.idx + 8) / 16.0f;
1937		val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
1938		out_value[1] = (float)(val.idx + 8) / 16.0f;
1939		break;
1940	case 8:
1941		offset = 4 * (sample_index % 4 * 2);
1942		index = (sample_index / 4) * 4;
1943		val.idx = (cm_sample_locs_8x[index] >> offset) & 0xf;
1944		out_value[0] = (float)(val.idx + 8) / 16.0f;
1945		val.idx = (cm_sample_locs_8x[index] >> (offset + 4)) & 0xf;
1946		out_value[1] = (float)(val.idx + 8) / 16.0f;
1947		break;
1948	case 16:
1949		offset = 4 * (sample_index % 4 * 2);
1950		index = (sample_index / 4) * 4;
1951		val.idx = (cm_sample_locs_16x[index] >> offset) & 0xf;
1952		out_value[0] = (float)(val.idx + 8) / 16.0f;
1953		val.idx = (cm_sample_locs_16x[index] >> (offset + 4)) & 0xf;
1954		out_value[1] = (float)(val.idx + 8) / 16.0f;
1955		break;
1956	}
1957}
1958
1959static void si_set_msaa_state(struct r600_context *rctx, struct si_pm4_state *pm4, int nr_samples)
1960{
1961	unsigned max_dist = 0;
1962
1963	switch (nr_samples) {
1964	default:
1965		nr_samples = 0;
1966		break;
1967	case 2:
1968		si_pm4_set_reg(pm4, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_2x[0]);
1969		si_pm4_set_reg(pm4, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_2x[1]);
1970		si_pm4_set_reg(pm4, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_2x[2]);
1971		si_pm4_set_reg(pm4, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_2x[3]);
1972		max_dist = max_dist_2x;
1973		break;
1974	case 4:
1975		si_pm4_set_reg(pm4, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_4x[0]);
1976		si_pm4_set_reg(pm4, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_4x[1]);
1977		si_pm4_set_reg(pm4, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_4x[2]);
1978		si_pm4_set_reg(pm4, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_4x[3]);
1979		max_dist = max_dist_4x;
1980		break;
1981	case 8:
1982		si_pm4_set_reg(pm4, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, cm_sample_locs_8x[0]);
1983		si_pm4_set_reg(pm4, R_028BFC_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_1, cm_sample_locs_8x[4]);
1984		si_pm4_set_reg(pm4, R_028C00_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_2, 0);
1985		si_pm4_set_reg(pm4, R_028C04_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_3, 0);
1986		si_pm4_set_reg(pm4, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, cm_sample_locs_8x[1]);
1987		si_pm4_set_reg(pm4, R_028C0C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_1, cm_sample_locs_8x[5]);
1988		si_pm4_set_reg(pm4, R_028C10_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_2, 0);
1989		si_pm4_set_reg(pm4, R_028C14_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_3, 0);
1990		si_pm4_set_reg(pm4, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, cm_sample_locs_8x[2]);
1991		si_pm4_set_reg(pm4, R_028C1C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_1, cm_sample_locs_8x[6]);
1992		si_pm4_set_reg(pm4, R_028C20_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_2, 0);
1993		si_pm4_set_reg(pm4, R_028C24_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_3, 0);
1994		si_pm4_set_reg(pm4, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, cm_sample_locs_8x[3]);
1995		si_pm4_set_reg(pm4, R_028C2C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_1, cm_sample_locs_8x[7]);
1996		max_dist = cm_max_dist_8x;
1997		break;
1998	case 16:
1999		si_pm4_set_reg(pm4, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, cm_sample_locs_16x[0]);
2000		si_pm4_set_reg(pm4, R_028BFC_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_1, cm_sample_locs_16x[4]);
2001		si_pm4_set_reg(pm4, R_028C00_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_2, cm_sample_locs_16x[8]);
2002		si_pm4_set_reg(pm4, R_028C04_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_3, cm_sample_locs_16x[12]);
2003		si_pm4_set_reg(pm4, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, cm_sample_locs_16x[1]);
2004		si_pm4_set_reg(pm4, R_028C0C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_1, cm_sample_locs_16x[5]);
2005		si_pm4_set_reg(pm4, R_028C10_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_2, cm_sample_locs_16x[9]);
2006		si_pm4_set_reg(pm4, R_028C14_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_3, cm_sample_locs_16x[13]);
2007		si_pm4_set_reg(pm4, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, cm_sample_locs_16x[2]);
2008		si_pm4_set_reg(pm4, R_028C1C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_1, cm_sample_locs_16x[6]);
2009		si_pm4_set_reg(pm4, R_028C20_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_2, cm_sample_locs_16x[10]);
2010		si_pm4_set_reg(pm4, R_028C24_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_3, cm_sample_locs_16x[14]);
2011		si_pm4_set_reg(pm4, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, cm_sample_locs_16x[3]);
2012		si_pm4_set_reg(pm4, R_028C2C_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_1, cm_sample_locs_16x[7]);
2013		si_pm4_set_reg(pm4, R_028C30_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_2, cm_sample_locs_16x[11]);
2014		si_pm4_set_reg(pm4, R_028C34_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_3, cm_sample_locs_16x[15]);
2015		max_dist = cm_max_dist_16x;
2016		break;
2017	}
2018
2019	if (nr_samples > 1) {
2020		unsigned log_samples = util_logbase2(nr_samples);
2021
2022		si_pm4_set_reg(pm4, R_028BDC_PA_SC_LINE_CNTL,
2023			       S_028BDC_LAST_PIXEL(1) |
2024			       S_028BDC_EXPAND_LINE_WIDTH(1));
2025		si_pm4_set_reg(pm4, R_028BE0_PA_SC_AA_CONFIG,
2026			       S_028BE0_MSAA_NUM_SAMPLES(log_samples) |
2027			       S_028BE0_MAX_SAMPLE_DIST(max_dist) |
2028			       S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples));
2029
2030		si_pm4_set_reg(pm4, R_028804_DB_EQAA,
2031			       S_028804_MAX_ANCHOR_SAMPLES(log_samples) |
2032			       S_028804_PS_ITER_SAMPLES(log_samples) |
2033			       S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples) |
2034			       S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples) |
2035			       S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
2036			       S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
2037	} else {
2038		si_pm4_set_reg(pm4, R_028BDC_PA_SC_LINE_CNTL, S_028BDC_LAST_PIXEL(1));
2039		si_pm4_set_reg(pm4, R_028BE0_PA_SC_AA_CONFIG, 0);
2040
2041		si_pm4_set_reg(pm4, R_028804_DB_EQAA,
2042			       S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
2043			       S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
2044	}
2045}
2046
2047static void si_set_framebuffer_state(struct pipe_context *ctx,
2048				     const struct pipe_framebuffer_state *state)
2049{
2050	struct r600_context *rctx = (struct r600_context *)ctx;
2051	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
2052	uint32_t tl, br;
2053	int tl_x, tl_y, br_x, br_y, nr_samples, i;
2054
2055	if (pm4 == NULL)
2056		return;
2057
2058	if (rctx->framebuffer.nr_cbufs) {
2059		rctx->b.flags |= R600_CONTEXT_FLUSH_AND_INV_CB |
2060				 R600_CONTEXT_FLUSH_AND_INV_CB_META;
2061	}
2062	if (rctx->framebuffer.zsbuf) {
2063		rctx->b.flags |= R600_CONTEXT_FLUSH_AND_INV_DB;
2064	}
2065
2066	util_copy_framebuffer_state(&rctx->framebuffer, state);
2067
2068	/* build states */
2069	rctx->export_16bpc = 0;
2070	rctx->fb_compressed_cb_mask = 0;
2071	for (i = 0; i < state->nr_cbufs; i++) {
2072		struct r600_texture *rtex =
2073			(struct r600_texture*)state->cbufs[i]->texture;
2074
2075		si_cb(rctx, pm4, state, i);
2076
2077		if (rtex->fmask.size || rtex->cmask.size) {
2078			rctx->fb_compressed_cb_mask |= 1 << i;
2079		}
2080	}
2081	for (; i < 8; i++) {
2082		si_pm4_set_reg(pm4, R_028C70_CB_COLOR0_INFO + i * 0x3C,
2083			       S_028C70_FORMAT(V_028C70_COLOR_INVALID));
2084	}
2085
2086	assert(!(rctx->export_16bpc & ~0xff));
2087	si_db(rctx, pm4, state);
2088
2089	tl_x = 0;
2090	tl_y = 0;
2091	br_x = state->width;
2092	br_y = state->height;
2093
2094	tl = S_028240_TL_X(tl_x) | S_028240_TL_Y(tl_y);
2095	br = S_028244_BR_X(br_x) | S_028244_BR_Y(br_y);
2096
2097	si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, tl);
2098	si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, br);
2099	si_pm4_set_reg(pm4, R_028250_PA_SC_VPORT_SCISSOR_0_TL, tl);
2100	si_pm4_set_reg(pm4, R_028254_PA_SC_VPORT_SCISSOR_0_BR, br);
2101	si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, tl);
2102	si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, br);
2103	si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, tl);
2104	si_pm4_set_reg(pm4, R_028208_PA_SC_WINDOW_SCISSOR_BR, br);
2105	si_pm4_set_reg(pm4, R_028200_PA_SC_WINDOW_OFFSET, 0x00000000);
2106	si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
2107
2108	if (state->nr_cbufs)
2109		nr_samples = state->cbufs[0]->texture->nr_samples;
2110	else if (state->zsbuf)
2111		nr_samples = state->zsbuf->texture->nr_samples;
2112	else
2113		nr_samples = 0;
2114
2115	si_set_msaa_state(rctx, pm4, nr_samples);
2116	rctx->fb_log_samples = util_logbase2(nr_samples);
2117	rctx->fb_cb0_is_integer = state->nr_cbufs &&
2118				  util_format_is_pure_integer(state->cbufs[0]->format);
2119
2120	si_pm4_set_state(rctx, framebuffer, pm4);
2121	si_update_fb_rs_state(rctx);
2122	si_update_fb_blend_state(rctx);
2123}
2124
2125/*
2126 * shaders
2127 */
2128
2129/* Compute the key for the hw shader variant */
2130static INLINE void si_shader_selector_key(struct pipe_context *ctx,
2131					  struct si_pipe_shader_selector *sel,
2132					  union si_shader_key *key)
2133{
2134	struct r600_context *rctx = (struct r600_context *)ctx;
2135	memset(key, 0, sizeof(*key));
2136
2137	if (sel->type == PIPE_SHADER_VERTEX) {
2138		unsigned i;
2139		if (!rctx->vertex_elements)
2140			return;
2141
2142		for (i = 0; i < rctx->vertex_elements->count; ++i)
2143			key->vs.instance_divisors[i] = rctx->vertex_elements->elements[i].instance_divisor;
2144
2145		if (rctx->queued.named.rasterizer->clip_plane_enable & 0xf0)
2146			key->vs.ucps_enabled |= 0x2;
2147		if (rctx->queued.named.rasterizer->clip_plane_enable & 0xf)
2148			key->vs.ucps_enabled |= 0x1;
2149	} else if (sel->type == PIPE_SHADER_FRAGMENT) {
2150		if (sel->fs_write_all)
2151			key->ps.nr_cbufs = rctx->framebuffer.nr_cbufs;
2152		key->ps.export_16bpc = rctx->export_16bpc;
2153
2154		if (rctx->queued.named.rasterizer) {
2155			key->ps.color_two_side = rctx->queued.named.rasterizer->two_side;
2156			key->ps.flatshade = rctx->queued.named.rasterizer->flatshade;
2157
2158			if (rctx->queued.named.blend) {
2159				key->ps.alpha_to_one = rctx->queued.named.blend->alpha_to_one &&
2160						       rctx->queued.named.rasterizer->multisample_enable &&
2161						       !rctx->fb_cb0_is_integer;
2162			}
2163		}
2164		if (rctx->queued.named.dsa) {
2165			key->ps.alpha_func = rctx->queued.named.dsa->alpha_func;
2166
2167			/* Alpha-test should be disabled if colorbuffer 0 is integer. */
2168			if (rctx->framebuffer.nr_cbufs &&
2169			    rctx->framebuffer.cbufs[0] &&
2170			    util_format_is_pure_integer(rctx->framebuffer.cbufs[0]->texture->format))
2171				key->ps.alpha_func = PIPE_FUNC_ALWAYS;
2172		} else {
2173			key->ps.alpha_func = PIPE_FUNC_ALWAYS;
2174		}
2175	}
2176}
2177
2178/* Select the hw shader variant depending on the current state.
2179 * (*dirty) is set to 1 if current variant was changed */
2180int si_shader_select(struct pipe_context *ctx,
2181		     struct si_pipe_shader_selector *sel,
2182		     unsigned *dirty)
2183{
2184	union si_shader_key key;
2185	struct si_pipe_shader * shader = NULL;
2186	int r;
2187
2188	si_shader_selector_key(ctx, sel, &key);
2189
2190	/* Check if we don't need to change anything.
2191	 * This path is also used for most shaders that don't need multiple
2192	 * variants, it will cost just a computation of the key and this
2193	 * test. */
2194	if (likely(sel->current && memcmp(&sel->current->key, &key, sizeof(key)) == 0)) {
2195		return 0;
2196	}
2197
2198	/* lookup if we have other variants in the list */
2199	if (sel->num_shaders > 1) {
2200		struct si_pipe_shader *p = sel->current, *c = p->next_variant;
2201
2202		while (c && memcmp(&c->key, &key, sizeof(key)) != 0) {
2203			p = c;
2204			c = c->next_variant;
2205		}
2206
2207		if (c) {
2208			p->next_variant = c->next_variant;
2209			shader = c;
2210		}
2211	}
2212
2213	if (unlikely(!shader)) {
2214		shader = CALLOC(1, sizeof(struct si_pipe_shader));
2215		shader->selector = sel;
2216		shader->key = key;
2217
2218		r = si_pipe_shader_create(ctx, shader);
2219		if (unlikely(r)) {
2220			R600_ERR("Failed to build shader variant (type=%u) %d\n",
2221				 sel->type, r);
2222			sel->current = NULL;
2223			FREE(shader);
2224			return r;
2225		}
2226
2227		/* We don't know the value of fs_write_all property until we built
2228		 * at least one variant, so we may need to recompute the key (include
2229		 * rctx->framebuffer.nr_cbufs) after building first variant. */
2230		if (sel->type == PIPE_SHADER_FRAGMENT &&
2231		    sel->num_shaders == 0 &&
2232		    shader->shader.fs_write_all) {
2233			sel->fs_write_all = 1;
2234			si_shader_selector_key(ctx, sel, &shader->key);
2235		}
2236
2237		sel->num_shaders++;
2238	}
2239
2240	if (dirty)
2241		*dirty = 1;
2242
2243	shader->next_variant = sel->current;
2244	sel->current = shader;
2245
2246	return 0;
2247}
2248
2249static void *si_create_shader_state(struct pipe_context *ctx,
2250				    const struct pipe_shader_state *state,
2251				    unsigned pipe_shader_type)
2252{
2253	struct si_pipe_shader_selector *sel = CALLOC_STRUCT(si_pipe_shader_selector);
2254	int r;
2255
2256	sel->type = pipe_shader_type;
2257	sel->tokens = tgsi_dup_tokens(state->tokens);
2258	sel->so = state->stream_output;
2259
2260	r = si_shader_select(ctx, sel, NULL);
2261	if (r) {
2262	    free(sel);
2263	    return NULL;
2264	}
2265
2266	return sel;
2267}
2268
2269static void *si_create_fs_state(struct pipe_context *ctx,
2270				const struct pipe_shader_state *state)
2271{
2272	return si_create_shader_state(ctx, state, PIPE_SHADER_FRAGMENT);
2273}
2274
2275static void *si_create_vs_state(struct pipe_context *ctx,
2276				const struct pipe_shader_state *state)
2277{
2278	return si_create_shader_state(ctx, state, PIPE_SHADER_VERTEX);
2279}
2280
2281static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
2282{
2283	struct r600_context *rctx = (struct r600_context *)ctx;
2284	struct si_pipe_shader_selector *sel = state;
2285
2286	if (rctx->vs_shader == sel)
2287		return;
2288
2289	rctx->vs_shader = sel;
2290
2291	if (sel && sel->current) {
2292		si_pm4_bind_state(rctx, vs, sel->current->pm4);
2293		rctx->b.streamout.stride_in_dw = sel->so.stride;
2294	} else {
2295		si_pm4_bind_state(rctx, vs, rctx->dummy_pixel_shader->pm4);
2296	}
2297
2298	rctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
2299}
2300
2301static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
2302{
2303	struct r600_context *rctx = (struct r600_context *)ctx;
2304	struct si_pipe_shader_selector *sel = state;
2305
2306	if (rctx->ps_shader == sel)
2307		return;
2308
2309	rctx->ps_shader = sel;
2310
2311	if (sel && sel->current)
2312		si_pm4_bind_state(rctx, ps, sel->current->pm4);
2313	else
2314		si_pm4_bind_state(rctx, ps, rctx->dummy_pixel_shader->pm4);
2315
2316	rctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
2317}
2318
2319static void si_delete_shader_selector(struct pipe_context *ctx,
2320				      struct si_pipe_shader_selector *sel)
2321{
2322	struct r600_context *rctx = (struct r600_context *)ctx;
2323	struct si_pipe_shader *p = sel->current, *c;
2324
2325	while (p) {
2326		c = p->next_variant;
2327		si_pm4_delete_state(rctx, vs, p->pm4);
2328		si_pipe_shader_destroy(ctx, p);
2329		free(p);
2330		p = c;
2331	}
2332
2333	free(sel->tokens);
2334	free(sel);
2335 }
2336
2337static void si_delete_vs_shader(struct pipe_context *ctx, void *state)
2338{
2339	struct r600_context *rctx = (struct r600_context *)ctx;
2340	struct si_pipe_shader_selector *sel = (struct si_pipe_shader_selector *)state;
2341
2342	if (rctx->vs_shader == sel) {
2343		rctx->vs_shader = NULL;
2344	}
2345
2346	si_delete_shader_selector(ctx, sel);
2347}
2348
2349static void si_delete_ps_shader(struct pipe_context *ctx, void *state)
2350{
2351	struct r600_context *rctx = (struct r600_context *)ctx;
2352	struct si_pipe_shader_selector *sel = (struct si_pipe_shader_selector *)state;
2353
2354	if (rctx->ps_shader == sel) {
2355		rctx->ps_shader = NULL;
2356	}
2357
2358	si_delete_shader_selector(ctx, sel);
2359}
2360
2361/*
2362 * Samplers
2363 */
2364
2365static struct pipe_sampler_view *si_create_sampler_view(struct pipe_context *ctx,
2366							struct pipe_resource *texture,
2367							const struct pipe_sampler_view *state)
2368{
2369	struct si_pipe_sampler_view *view = CALLOC_STRUCT(si_pipe_sampler_view);
2370	struct r600_texture *tmp = (struct r600_texture*)texture;
2371	const struct util_format_description *desc;
2372	unsigned format, num_format;
2373	uint32_t pitch = 0;
2374	unsigned char state_swizzle[4], swizzle[4];
2375	unsigned height, depth, width;
2376	enum pipe_format pipe_format = state->format;
2377	struct radeon_surface_level *surflevel;
2378	int first_non_void;
2379	uint64_t va;
2380
2381	if (view == NULL)
2382		return NULL;
2383
2384	/* initialize base object */
2385	view->base = *state;
2386	view->base.texture = NULL;
2387	pipe_resource_reference(&view->base.texture, texture);
2388	view->base.reference.count = 1;
2389	view->base.context = ctx;
2390	view->resource = &tmp->resource;
2391
2392	/* Buffer resource. */
2393	if (texture->target == PIPE_BUFFER) {
2394		unsigned stride;
2395
2396		desc = util_format_description(state->format);
2397		first_non_void = util_format_get_first_non_void_channel(state->format);
2398		stride = desc->block.bits / 8;
2399		va = r600_resource_va(ctx->screen, texture) + state->u.buf.first_element*stride;
2400		format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void);
2401		num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void);
2402
2403		view->state[0] = va;
2404		view->state[1] = S_008F04_BASE_ADDRESS_HI(va >> 32) |
2405				 S_008F04_STRIDE(stride);
2406		view->state[2] = state->u.buf.last_element + 1 - state->u.buf.first_element;
2407		view->state[3] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) |
2408				 S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) |
2409				 S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) |
2410				 S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) |
2411				 S_008F0C_NUM_FORMAT(num_format) |
2412				 S_008F0C_DATA_FORMAT(format);
2413		return &view->base;
2414	}
2415
2416	state_swizzle[0] = state->swizzle_r;
2417	state_swizzle[1] = state->swizzle_g;
2418	state_swizzle[2] = state->swizzle_b;
2419	state_swizzle[3] = state->swizzle_a;
2420
2421	surflevel = tmp->surface.level;
2422
2423	/* Texturing with separate depth and stencil. */
2424	if (tmp->is_depth && !tmp->is_flushing_texture) {
2425		switch (pipe_format) {
2426		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
2427			pipe_format = PIPE_FORMAT_Z32_FLOAT;
2428			break;
2429		case PIPE_FORMAT_X8Z24_UNORM:
2430		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
2431			/* Z24 is always stored like this. */
2432			pipe_format = PIPE_FORMAT_Z24X8_UNORM;
2433			break;
2434		case PIPE_FORMAT_X24S8_UINT:
2435		case PIPE_FORMAT_S8X24_UINT:
2436		case PIPE_FORMAT_X32_S8X24_UINT:
2437			pipe_format = PIPE_FORMAT_S8_UINT;
2438			surflevel = tmp->surface.stencil_level;
2439			break;
2440		default:;
2441		}
2442	}
2443
2444	desc = util_format_description(pipe_format);
2445
2446	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
2447		const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0};
2448		const unsigned char swizzle_yyyy[4] = {1, 1, 1, 1};
2449
2450		switch (pipe_format) {
2451		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
2452		case PIPE_FORMAT_X24S8_UINT:
2453		case PIPE_FORMAT_X32_S8X24_UINT:
2454		case PIPE_FORMAT_X8Z24_UNORM:
2455			util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle);
2456			break;
2457		default:
2458			util_format_compose_swizzles(swizzle_xxxx, state_swizzle, swizzle);
2459		}
2460	} else {
2461		util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle);
2462	}
2463
2464	first_non_void = util_format_get_first_non_void_channel(pipe_format);
2465
2466	switch (pipe_format) {
2467	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
2468		num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2469		break;
2470	default:
2471		if (first_non_void < 0) {
2472			if (util_format_is_compressed(pipe_format)) {
2473				switch (pipe_format) {
2474				case PIPE_FORMAT_DXT1_SRGB:
2475				case PIPE_FORMAT_DXT1_SRGBA:
2476				case PIPE_FORMAT_DXT3_SRGBA:
2477				case PIPE_FORMAT_DXT5_SRGBA:
2478					num_format = V_008F14_IMG_NUM_FORMAT_SRGB;
2479					break;
2480				case PIPE_FORMAT_RGTC1_SNORM:
2481				case PIPE_FORMAT_LATC1_SNORM:
2482				case PIPE_FORMAT_RGTC2_SNORM:
2483				case PIPE_FORMAT_LATC2_SNORM:
2484					num_format = V_008F14_IMG_NUM_FORMAT_SNORM;
2485					break;
2486				default:
2487					num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2488					break;
2489				}
2490			} else {
2491				num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
2492			}
2493		} else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
2494			num_format = V_008F14_IMG_NUM_FORMAT_SRGB;
2495		} else {
2496			num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2497
2498			switch (desc->channel[first_non_void].type) {
2499			case UTIL_FORMAT_TYPE_FLOAT:
2500				num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
2501				break;
2502			case UTIL_FORMAT_TYPE_SIGNED:
2503				if (desc->channel[first_non_void].normalized)
2504					num_format = V_008F14_IMG_NUM_FORMAT_SNORM;
2505				else if (desc->channel[first_non_void].pure_integer)
2506					num_format = V_008F14_IMG_NUM_FORMAT_SINT;
2507				else
2508					num_format = V_008F14_IMG_NUM_FORMAT_SSCALED;
2509				break;
2510			case UTIL_FORMAT_TYPE_UNSIGNED:
2511				if (desc->channel[first_non_void].normalized)
2512					num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2513				else if (desc->channel[first_non_void].pure_integer)
2514					num_format = V_008F14_IMG_NUM_FORMAT_UINT;
2515				else
2516					num_format = V_008F14_IMG_NUM_FORMAT_USCALED;
2517			}
2518		}
2519	}
2520
2521	format = si_translate_texformat(ctx->screen, pipe_format, desc, first_non_void);
2522	if (format == ~0) {
2523		format = 0;
2524	}
2525
2526	/* not supported any more */
2527	//endian = si_colorformat_endian_swap(format);
2528
2529	width = surflevel[0].npix_x;
2530	height = surflevel[0].npix_y;
2531	depth = surflevel[0].npix_z;
2532	pitch = surflevel[0].nblk_x * util_format_get_blockwidth(pipe_format);
2533
2534	if (texture->target == PIPE_TEXTURE_1D_ARRAY) {
2535	        height = 1;
2536		depth = texture->array_size;
2537	} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
2538		depth = texture->array_size;
2539	}
2540
2541	va = r600_resource_va(ctx->screen, texture);
2542	va += surflevel[0].offset;
2543	va += tmp->mipmap_shift * surflevel[texture->last_level].slice_size;
2544	view->state[0] = va >> 8;
2545	view->state[1] = (S_008F14_BASE_ADDRESS_HI(va >> 40) |
2546			  S_008F14_DATA_FORMAT(format) |
2547			  S_008F14_NUM_FORMAT(num_format));
2548	view->state[2] = (S_008F18_WIDTH(width - 1) |
2549			  S_008F18_HEIGHT(height - 1));
2550	view->state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) |
2551			  S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) |
2552			  S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) |
2553			  S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) |
2554			  S_008F1C_BASE_LEVEL(texture->nr_samples > 1 ?
2555						      0 : state->u.tex.first_level - tmp->mipmap_shift) |
2556			  S_008F1C_LAST_LEVEL(texture->nr_samples > 1 ?
2557						      util_logbase2(texture->nr_samples) :
2558						      state->u.tex.last_level - tmp->mipmap_shift) |
2559			  S_008F1C_TILING_INDEX(si_tile_mode_index(tmp, 0, false)) |
2560			  S_008F1C_POW2_PAD(texture->last_level > 0) |
2561			  S_008F1C_TYPE(si_tex_dim(texture->target, texture->nr_samples)));
2562	view->state[4] = (S_008F20_DEPTH(depth - 1) | S_008F20_PITCH(pitch - 1));
2563	view->state[5] = (S_008F24_BASE_ARRAY(state->u.tex.first_layer) |
2564			  S_008F24_LAST_ARRAY(state->u.tex.last_layer));
2565	view->state[6] = 0;
2566	view->state[7] = 0;
2567
2568	/* Initialize the sampler view for FMASK. */
2569	if (tmp->fmask.size) {
2570		uint64_t va = r600_resource_va(ctx->screen, texture) + tmp->fmask.offset;
2571		uint32_t fmask_format;
2572
2573		switch (texture->nr_samples) {
2574		case 2:
2575			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2;
2576			break;
2577		case 4:
2578			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4;
2579			break;
2580		case 8:
2581			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8;
2582			break;
2583		default:
2584			assert(0);
2585			fmask_format = V_008F14_IMG_DATA_FORMAT_INVALID;
2586		}
2587
2588		view->fmask_state[0] = va >> 8;
2589		view->fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) |
2590				       S_008F14_DATA_FORMAT(fmask_format) |
2591				       S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_UINT);
2592		view->fmask_state[2] = S_008F18_WIDTH(width - 1) |
2593				       S_008F18_HEIGHT(height - 1);
2594		view->fmask_state[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X) |
2595				       S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X) |
2596				       S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X) |
2597				       S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X) |
2598				       S_008F1C_TILING_INDEX(tmp->fmask.tile_mode_index) |
2599				       S_008F1C_TYPE(si_tex_dim(texture->target, 0));
2600		view->fmask_state[4] = S_008F20_DEPTH(depth - 1) |
2601				       S_008F20_PITCH(tmp->fmask.pitch - 1);
2602		view->fmask_state[5] = S_008F24_BASE_ARRAY(state->u.tex.first_layer) |
2603				       S_008F24_LAST_ARRAY(state->u.tex.last_layer);
2604		view->fmask_state[6] = 0;
2605		view->fmask_state[7] = 0;
2606	}
2607
2608	return &view->base;
2609}
2610
2611static void si_sampler_view_destroy(struct pipe_context *ctx,
2612				    struct pipe_sampler_view *state)
2613{
2614	struct r600_pipe_sampler_view *resource = (struct r600_pipe_sampler_view *)state;
2615
2616	pipe_resource_reference(&state->texture, NULL);
2617	FREE(resource);
2618}
2619
2620static bool wrap_mode_uses_border_color(unsigned wrap, bool linear_filter)
2621{
2622	return wrap == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
2623	       wrap == PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER ||
2624	       (linear_filter &&
2625	        (wrap == PIPE_TEX_WRAP_CLAMP ||
2626		 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP));
2627}
2628
2629static bool sampler_state_needs_border_color(const struct pipe_sampler_state *state)
2630{
2631	bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
2632			     state->mag_img_filter != PIPE_TEX_FILTER_NEAREST;
2633
2634	return (state->border_color.ui[0] || state->border_color.ui[1] ||
2635		state->border_color.ui[2] || state->border_color.ui[3]) &&
2636	       (wrap_mode_uses_border_color(state->wrap_s, linear_filter) ||
2637		wrap_mode_uses_border_color(state->wrap_t, linear_filter) ||
2638		wrap_mode_uses_border_color(state->wrap_r, linear_filter));
2639}
2640
2641static void *si_create_sampler_state(struct pipe_context *ctx,
2642				     const struct pipe_sampler_state *state)
2643{
2644	struct si_pipe_sampler_state *rstate = CALLOC_STRUCT(si_pipe_sampler_state);
2645	unsigned aniso_flag_offset = state->max_anisotropy > 1 ? 2 : 0;
2646	unsigned border_color_type;
2647
2648	if (rstate == NULL) {
2649		return NULL;
2650	}
2651
2652	if (sampler_state_needs_border_color(state))
2653		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER;
2654	else
2655		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK;
2656
2657	rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) |
2658			  S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) |
2659			  S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) |
2660			  (state->max_anisotropy & 0x7) << 9 | /* XXX */
2661			  S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) |
2662			  S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) |
2663			  aniso_flag_offset << 16 | /* XXX */
2664			  S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map));
2665	rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
2666			  S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)));
2667	rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
2668			  S_008F38_XY_MAG_FILTER(si_tex_filter(state->mag_img_filter)) |
2669			  S_008F38_XY_MIN_FILTER(si_tex_filter(state->min_img_filter)) |
2670			  S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)));
2671	rstate->val[3] = S_008F3C_BORDER_COLOR_TYPE(border_color_type);
2672
2673	if (border_color_type == V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER) {
2674		memcpy(rstate->border_color, state->border_color.ui,
2675		       sizeof(rstate->border_color));
2676	}
2677
2678	return rstate;
2679}
2680
2681/* XXX consider moving this function to si_descriptors.c for gcc to inline
2682 *     the si_set_sampler_view calls. LTO might help too. */
2683static void si_set_sampler_views(struct pipe_context *ctx,
2684				 unsigned shader, unsigned start,
2685                                 unsigned count,
2686				 struct pipe_sampler_view **views)
2687{
2688	struct r600_context *rctx = (struct r600_context *)ctx;
2689	struct r600_textures_info *samplers = &rctx->samplers[shader];
2690	struct si_pipe_sampler_view **rviews = (struct si_pipe_sampler_view **)views;
2691	int i;
2692
2693	if (shader != PIPE_SHADER_VERTEX && shader != PIPE_SHADER_FRAGMENT)
2694		return;
2695
2696	assert(start == 0);
2697
2698	for (i = 0; i < count; i++) {
2699		if (!views[i]) {
2700			samplers->depth_texture_mask &= ~(1 << i);
2701			samplers->compressed_colortex_mask &= ~(1 << i);
2702			si_set_sampler_view(rctx, shader, i, NULL, NULL);
2703			si_set_sampler_view(rctx, shader, FMASK_TEX_OFFSET + i,
2704					    NULL, NULL);
2705			continue;
2706		}
2707
2708		si_set_sampler_view(rctx, shader, i, views[i], rviews[i]->state);
2709
2710		if (views[i]->texture->target != PIPE_BUFFER) {
2711			struct r600_texture *rtex =
2712				(struct r600_texture*)views[i]->texture;
2713
2714			if (rtex->is_depth && !rtex->is_flushing_texture) {
2715				samplers->depth_texture_mask |= 1 << i;
2716			} else {
2717				samplers->depth_texture_mask &= ~(1 << i);
2718			}
2719			if (rtex->cmask.size || rtex->fmask.size) {
2720				samplers->compressed_colortex_mask |= 1 << i;
2721			} else {
2722				samplers->compressed_colortex_mask &= ~(1 << i);
2723			}
2724
2725			if (rtex->fmask.size) {
2726				si_set_sampler_view(rctx, shader, FMASK_TEX_OFFSET + i,
2727						    views[i], rviews[i]->fmask_state);
2728			} else {
2729				si_set_sampler_view(rctx, shader, FMASK_TEX_OFFSET + i,
2730						    NULL, NULL);
2731			}
2732		}
2733	}
2734	for (; i < samplers->n_views; i++) {
2735		samplers->depth_texture_mask &= ~(1 << i);
2736		samplers->compressed_colortex_mask &= ~(1 << i);
2737		si_set_sampler_view(rctx, shader, i, NULL, NULL);
2738		si_set_sampler_view(rctx, shader, FMASK_TEX_OFFSET + i,
2739				    NULL, NULL);
2740	}
2741
2742	samplers->n_views = count;
2743	rctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE;
2744}
2745
2746static struct si_pm4_state *si_set_sampler_states(struct r600_context *rctx, unsigned count,
2747						   void **states,
2748						   struct r600_textures_info *samplers,
2749						   unsigned user_data_reg)
2750{
2751	struct si_pipe_sampler_state **rstates = (struct si_pipe_sampler_state **)states;
2752	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
2753	uint32_t *border_color_table = NULL;
2754	int i, j;
2755
2756	if (!count)
2757		goto out;
2758
2759	rctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE;
2760
2761	si_pm4_sh_data_begin(pm4);
2762	for (i = 0; i < count; i++) {
2763		if (rstates[i] &&
2764		    G_008F3C_BORDER_COLOR_TYPE(rstates[i]->val[3]) ==
2765		    V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER) {
2766			if (!rctx->border_color_table ||
2767			    ((rctx->border_color_offset + count - i) &
2768			     C_008F3C_BORDER_COLOR_PTR)) {
2769				r600_resource_reference(&rctx->border_color_table, NULL);
2770				rctx->border_color_offset = 0;
2771
2772				rctx->border_color_table =
2773					r600_resource_create_custom(&rctx->screen->b.b,
2774								  PIPE_USAGE_STAGING,
2775								  4096 * 4 * 4);
2776			}
2777
2778			if (!border_color_table) {
2779			        border_color_table =
2780					rctx->b.ws->buffer_map(rctx->border_color_table->cs_buf,
2781							     rctx->b.rings.gfx.cs,
2782							     PIPE_TRANSFER_WRITE |
2783							     PIPE_TRANSFER_UNSYNCHRONIZED);
2784			}
2785
2786			for (j = 0; j < 4; j++) {
2787				border_color_table[4 * rctx->border_color_offset + j] =
2788					util_le32_to_cpu(rstates[i]->border_color[j]);
2789			}
2790
2791			rstates[i]->val[3] &= C_008F3C_BORDER_COLOR_PTR;
2792			rstates[i]->val[3] |= S_008F3C_BORDER_COLOR_PTR(rctx->border_color_offset++);
2793		}
2794
2795		for (j = 0; j < Elements(rstates[i]->val); ++j) {
2796			si_pm4_sh_data_add(pm4, rstates[i] ? rstates[i]->val[j] : 0);
2797		}
2798	}
2799	si_pm4_sh_data_end(pm4, user_data_reg, SI_SGPR_SAMPLER);
2800
2801	if (border_color_table) {
2802		uint64_t va_offset =
2803			r600_resource_va(&rctx->screen->b.b,
2804					 (void*)rctx->border_color_table);
2805
2806		si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, va_offset >> 8);
2807		if (rctx->b.chip_class >= CIK)
2808			si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, va_offset >> 40);
2809		rctx->b.ws->buffer_unmap(rctx->border_color_table->cs_buf);
2810		si_pm4_add_bo(pm4, rctx->border_color_table, RADEON_USAGE_READ);
2811	}
2812
2813	memcpy(samplers->samplers, states, sizeof(void*) * count);
2814
2815out:
2816	samplers->n_samplers = count;
2817	return pm4;
2818}
2819
2820static void si_bind_vs_sampler_states(struct pipe_context *ctx, unsigned count, void **states)
2821{
2822	struct r600_context *rctx = (struct r600_context *)ctx;
2823	struct si_pm4_state *pm4;
2824
2825	pm4 = si_set_sampler_states(rctx, count, states, &rctx->samplers[PIPE_SHADER_VERTEX],
2826			      R_00B130_SPI_SHADER_USER_DATA_VS_0);
2827	si_pm4_set_state(rctx, vs_sampler, pm4);
2828}
2829
2830static void si_bind_ps_sampler_states(struct pipe_context *ctx, unsigned count, void **states)
2831{
2832	struct r600_context *rctx = (struct r600_context *)ctx;
2833	struct si_pm4_state *pm4;
2834
2835	pm4 = si_set_sampler_states(rctx, count, states, &rctx->samplers[PIPE_SHADER_FRAGMENT],
2836			      R_00B030_SPI_SHADER_USER_DATA_PS_0);
2837	si_pm4_set_state(rctx, ps_sampler, pm4);
2838}
2839
2840
2841static void si_bind_sampler_states(struct pipe_context *ctx, unsigned shader,
2842                                   unsigned start, unsigned count,
2843                                   void **states)
2844{
2845   assert(start == 0);
2846
2847   switch (shader) {
2848   case PIPE_SHADER_VERTEX:
2849      si_bind_vs_sampler_states(ctx, count, states);
2850      break;
2851   case PIPE_SHADER_FRAGMENT:
2852      si_bind_ps_sampler_states(ctx, count, states);
2853      break;
2854   default:
2855      ;
2856   }
2857}
2858
2859
2860
2861static void si_set_sample_mask(struct pipe_context *ctx, unsigned sample_mask)
2862{
2863	struct r600_context *rctx = (struct r600_context *)ctx;
2864	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
2865	uint16_t mask = sample_mask;
2866
2867        if (pm4 == NULL)
2868                return;
2869
2870	si_pm4_set_reg(pm4, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, mask | (mask << 16));
2871	si_pm4_set_reg(pm4, R_028C3C_PA_SC_AA_MASK_X0Y1_X1Y1, mask | (mask << 16));
2872
2873	si_pm4_set_state(rctx, sample_mask, pm4);
2874}
2875
2876static void si_delete_sampler_state(struct pipe_context *ctx, void *state)
2877{
2878	free(state);
2879}
2880
2881/*
2882 * Vertex elements & buffers
2883 */
2884
2885static void *si_create_vertex_elements(struct pipe_context *ctx,
2886				       unsigned count,
2887				       const struct pipe_vertex_element *elements)
2888{
2889	struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element);
2890	int i;
2891
2892	assert(count < PIPE_MAX_ATTRIBS);
2893	if (!v)
2894		return NULL;
2895
2896	v->count = count;
2897	for (i = 0; i < count; ++i) {
2898		const struct util_format_description *desc;
2899		unsigned data_format, num_format;
2900		int first_non_void;
2901
2902		desc = util_format_description(elements[i].src_format);
2903		first_non_void = util_format_get_first_non_void_channel(elements[i].src_format);
2904		data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void);
2905		num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void);
2906
2907		v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) |
2908				   S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) |
2909				   S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) |
2910				   S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) |
2911				   S_008F0C_NUM_FORMAT(num_format) |
2912				   S_008F0C_DATA_FORMAT(data_format);
2913	}
2914	memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count);
2915
2916	return v;
2917}
2918
2919static void si_bind_vertex_elements(struct pipe_context *ctx, void *state)
2920{
2921	struct r600_context *rctx = (struct r600_context *)ctx;
2922	struct si_vertex_element *v = (struct si_vertex_element*)state;
2923
2924	rctx->vertex_elements = v;
2925}
2926
2927static void si_delete_vertex_element(struct pipe_context *ctx, void *state)
2928{
2929	struct r600_context *rctx = (struct r600_context *)ctx;
2930
2931	if (rctx->vertex_elements == state)
2932		rctx->vertex_elements = NULL;
2933	FREE(state);
2934}
2935
2936static void si_set_vertex_buffers(struct pipe_context *ctx, unsigned start_slot, unsigned count,
2937				  const struct pipe_vertex_buffer *buffers)
2938{
2939	struct r600_context *rctx = (struct r600_context *)ctx;
2940
2941	util_set_vertex_buffers_count(rctx->vertex_buffer, &rctx->nr_vertex_buffers, buffers, start_slot, count);
2942}
2943
2944static void si_set_index_buffer(struct pipe_context *ctx,
2945				const struct pipe_index_buffer *ib)
2946{
2947	struct r600_context *rctx = (struct r600_context *)ctx;
2948
2949	if (ib) {
2950		pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
2951	        memcpy(&rctx->index_buffer, ib, sizeof(*ib));
2952	} else {
2953		pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
2954	}
2955}
2956
2957/*
2958 * Misc
2959 */
2960static void si_set_polygon_stipple(struct pipe_context *ctx,
2961				   const struct pipe_poly_stipple *state)
2962{
2963}
2964
2965static void si_texture_barrier(struct pipe_context *ctx)
2966{
2967	struct r600_context *rctx = (struct r600_context *)ctx;
2968
2969	rctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE |
2970			 R600_CONTEXT_FLUSH_AND_INV_CB;
2971}
2972
2973static void *si_create_blend_custom(struct r600_context *rctx, unsigned mode)
2974{
2975	struct pipe_blend_state blend;
2976
2977	memset(&blend, 0, sizeof(blend));
2978	blend.independent_blend_enable = true;
2979	blend.rt[0].colormask = 0xf;
2980	return si_create_blend_state_mode(&rctx->b.b, &blend, mode);
2981}
2982
2983static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
2984						struct pipe_resource *texture,
2985						const struct pipe_surface *surf_tmpl)
2986{
2987	struct r600_texture *rtex = (struct r600_texture*)texture;
2988	struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
2989	unsigned level = surf_tmpl->u.tex.level;
2990
2991	if (surface == NULL)
2992		return NULL;
2993
2994	assert(surf_tmpl->u.tex.first_layer <= util_max_layer(texture, surf_tmpl->u.tex.level));
2995	assert(surf_tmpl->u.tex.last_layer <= util_max_layer(texture, surf_tmpl->u.tex.level));
2996	assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
2997
2998	pipe_reference_init(&surface->base.reference, 1);
2999	pipe_resource_reference(&surface->base.texture, texture);
3000	surface->base.context = pipe;
3001	surface->base.format = surf_tmpl->format;
3002	surface->base.width = rtex->surface.level[level].npix_x;
3003	surface->base.height = rtex->surface.level[level].npix_y;
3004	surface->base.texture = texture;
3005	surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
3006	surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
3007	surface->base.u.tex.level = level;
3008
3009	return &surface->base;
3010}
3011
3012static void r600_surface_destroy(struct pipe_context *pipe,
3013				 struct pipe_surface *surface)
3014{
3015	pipe_resource_reference(&surface->texture, NULL);
3016	FREE(surface);
3017}
3018
3019static boolean si_dma_copy(struct pipe_context *ctx,
3020			   struct pipe_resource *dst,
3021			   unsigned dst_level,
3022			   unsigned dst_x, unsigned dst_y, unsigned dst_z,
3023			   struct pipe_resource *src,
3024			   unsigned src_level,
3025			   const struct pipe_box *src_box)
3026{
3027	/* XXX implement this or share evergreen_dma_blit with r600g */
3028	return FALSE;
3029}
3030
3031void si_init_state_functions(struct r600_context *rctx)
3032{
3033	int i;
3034
3035	rctx->b.b.create_blend_state = si_create_blend_state;
3036	rctx->b.b.bind_blend_state = si_bind_blend_state;
3037	rctx->b.b.delete_blend_state = si_delete_blend_state;
3038	rctx->b.b.set_blend_color = si_set_blend_color;
3039
3040	rctx->b.b.create_rasterizer_state = si_create_rs_state;
3041	rctx->b.b.bind_rasterizer_state = si_bind_rs_state;
3042	rctx->b.b.delete_rasterizer_state = si_delete_rs_state;
3043
3044	rctx->b.b.create_depth_stencil_alpha_state = si_create_dsa_state;
3045	rctx->b.b.bind_depth_stencil_alpha_state = si_bind_dsa_state;
3046	rctx->b.b.delete_depth_stencil_alpha_state = si_delete_dsa_state;
3047
3048	for (i = 0; i < 8; i++) {
3049		rctx->custom_dsa_flush_depth_stencil[i] = si_create_db_flush_dsa(rctx, true, true, i);
3050		rctx->custom_dsa_flush_depth[i] = si_create_db_flush_dsa(rctx, true, false, i);
3051		rctx->custom_dsa_flush_stencil[i] = si_create_db_flush_dsa(rctx, false, true, i);
3052	}
3053	rctx->custom_dsa_flush_inplace = si_create_db_flush_dsa(rctx, false, false, 0);
3054	rctx->custom_blend_resolve = si_create_blend_custom(rctx, V_028808_CB_RESOLVE);
3055	rctx->custom_blend_decompress = si_create_blend_custom(rctx, V_028808_CB_FMASK_DECOMPRESS);
3056
3057	rctx->b.b.set_clip_state = si_set_clip_state;
3058	rctx->b.b.set_scissor_states = si_set_scissor_states;
3059	rctx->b.b.set_viewport_states = si_set_viewport_states;
3060	rctx->b.b.set_stencil_ref = si_set_pipe_stencil_ref;
3061
3062	rctx->b.b.set_framebuffer_state = si_set_framebuffer_state;
3063	rctx->b.b.get_sample_position = si_get_sample_position;
3064
3065	rctx->b.b.create_vs_state = si_create_vs_state;
3066	rctx->b.b.create_fs_state = si_create_fs_state;
3067	rctx->b.b.bind_vs_state = si_bind_vs_shader;
3068	rctx->b.b.bind_fs_state = si_bind_ps_shader;
3069	rctx->b.b.delete_vs_state = si_delete_vs_shader;
3070	rctx->b.b.delete_fs_state = si_delete_ps_shader;
3071
3072	rctx->b.b.create_sampler_state = si_create_sampler_state;
3073	rctx->b.b.bind_sampler_states = si_bind_sampler_states;
3074	rctx->b.b.delete_sampler_state = si_delete_sampler_state;
3075
3076	rctx->b.b.create_sampler_view = si_create_sampler_view;
3077	rctx->b.b.set_sampler_views = si_set_sampler_views;
3078	rctx->b.b.sampler_view_destroy = si_sampler_view_destroy;
3079
3080	rctx->b.b.set_sample_mask = si_set_sample_mask;
3081
3082	rctx->b.b.create_vertex_elements_state = si_create_vertex_elements;
3083	rctx->b.b.bind_vertex_elements_state = si_bind_vertex_elements;
3084	rctx->b.b.delete_vertex_elements_state = si_delete_vertex_element;
3085	rctx->b.b.set_vertex_buffers = si_set_vertex_buffers;
3086	rctx->b.b.set_index_buffer = si_set_index_buffer;
3087
3088	rctx->b.b.texture_barrier = si_texture_barrier;
3089	rctx->b.b.set_polygon_stipple = si_set_polygon_stipple;
3090	rctx->b.b.create_surface = r600_create_surface;
3091	rctx->b.b.surface_destroy = r600_surface_destroy;
3092	rctx->b.dma_copy = si_dma_copy;
3093
3094	rctx->b.b.draw_vbo = si_draw_vbo;
3095}
3096
3097void si_init_config(struct r600_context *rctx)
3098{
3099	struct si_pm4_state *pm4 = si_pm4_alloc_state(rctx);
3100
3101	if (pm4 == NULL)
3102		return;
3103
3104	si_cmd_context_control(pm4);
3105
3106	si_pm4_set_reg(pm4, R_028A4C_PA_SC_MODE_CNTL_1, 0x0);
3107
3108	si_pm4_set_reg(pm4, R_028A10_VGT_OUTPUT_PATH_CNTL, 0x0);
3109	si_pm4_set_reg(pm4, R_028A14_VGT_HOS_CNTL, 0x0);
3110	si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, 0x0);
3111	si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, 0x0);
3112	si_pm4_set_reg(pm4, R_028A20_VGT_HOS_REUSE_DEPTH, 0x0);
3113	si_pm4_set_reg(pm4, R_028A24_VGT_GROUP_PRIM_TYPE, 0x0);
3114	si_pm4_set_reg(pm4, R_028A28_VGT_GROUP_FIRST_DECR, 0x0);
3115	si_pm4_set_reg(pm4, R_028A2C_VGT_GROUP_DECR, 0x0);
3116	si_pm4_set_reg(pm4, R_028A30_VGT_GROUP_VECT_0_CNTL, 0x0);
3117	si_pm4_set_reg(pm4, R_028A34_VGT_GROUP_VECT_1_CNTL, 0x0);
3118	si_pm4_set_reg(pm4, R_028A38_VGT_GROUP_VECT_0_FMT_CNTL, 0x0);
3119	si_pm4_set_reg(pm4, R_028A3C_VGT_GROUP_VECT_1_FMT_CNTL, 0x0);
3120	si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, 0x0);
3121	si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, 0x0);
3122	si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0);
3123	si_pm4_set_reg(pm4, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
3124	si_pm4_set_reg(pm4, R_028B94_VGT_STRMOUT_CONFIG, 0x0);
3125	si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0);
3126	if (rctx->b.chip_class == SI) {
3127		si_pm4_set_reg(pm4, R_028AA8_IA_MULTI_VGT_PARAM,
3128			       S_028AA8_SWITCH_ON_EOP(1) |
3129			       S_028AA8_PARTIAL_VS_WAVE_ON(1) |
3130			       S_028AA8_PRIMGROUP_SIZE(63));
3131	}
3132	si_pm4_set_reg(pm4, R_028AB4_VGT_REUSE_OFF, 0x00000000);
3133	si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0);
3134	if (rctx->b.chip_class < CIK)
3135		si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) |
3136			       S_008A14_CLIP_VTX_REORDER_ENA(1));
3137
3138	si_pm4_set_reg(pm4, R_028B54_VGT_SHADER_STAGES_EN, 0);
3139	si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210);
3140	si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98);
3141
3142	si_pm4_set_reg(pm4, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0);
3143
3144	if (rctx->b.chip_class >= CIK) {
3145		switch (rctx->screen->b.family) {
3146		case CHIP_BONAIRE:
3147			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x16000012);
3148			si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, 0x00000000);
3149			break;
3150		case CHIP_HAWAII:
3151			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x3a00161a);
3152			si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, 0x0000002e);
3153			break;
3154		case CHIP_KAVERI:
3155			/* XXX todo */
3156		case CHIP_KABINI:
3157			/* XXX todo */
3158		default:
3159			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
3160			si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, 0x00000000);
3161			break;
3162		}
3163	} else {
3164		switch (rctx->screen->b.family) {
3165		case CHIP_TAHITI:
3166		case CHIP_PITCAIRN:
3167			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x2a00126a);
3168			break;
3169		case CHIP_VERDE:
3170			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x0000124a);
3171			break;
3172		case CHIP_OLAND:
3173			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000082);
3174			break;
3175		case CHIP_HAINAN:
3176			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
3177			break;
3178		default:
3179			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
3180			break;
3181		}
3182	}
3183
3184	si_pm4_set_state(rctx, init, pm4);
3185}
3186