si_state.c revision 5bcfbf91e53e4f66310fc4ab63a7caf931a1e45c
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 "si_pipe.h"
28#include "si_shader.h"
29#include "sid.h"
30#include "radeon/r600_cs.h"
31
32#include "util/u_dual_blend.h"
33#include "util/u_format.h"
34#include "util/u_format_s3tc.h"
35#include "util/u_memory.h"
36#include "util/u_pstipple.h"
37#include "util/u_resource.h"
38
39/* Initialize an external atom (owned by ../radeon). */
40static void
41si_init_external_atom(struct si_context *sctx, struct r600_atom *atom,
42		      struct r600_atom **list_elem)
43{
44	atom->id = list_elem - sctx->atoms.array + 1;
45	*list_elem = atom;
46}
47
48/* Initialize an atom owned by radeonsi.  */
49void si_init_atom(struct si_context *sctx, struct r600_atom *atom,
50		  struct r600_atom **list_elem,
51		  void (*emit_func)(struct si_context *ctx, struct r600_atom *state))
52{
53	atom->emit = (void*)emit_func;
54	atom->id = list_elem - sctx->atoms.array + 1; /* index+1 in the atom array */
55	*list_elem = atom;
56}
57
58static unsigned si_map_swizzle(unsigned swizzle)
59{
60	switch (swizzle) {
61	case PIPE_SWIZZLE_Y:
62		return V_008F0C_SQ_SEL_Y;
63	case PIPE_SWIZZLE_Z:
64		return V_008F0C_SQ_SEL_Z;
65	case PIPE_SWIZZLE_W:
66		return V_008F0C_SQ_SEL_W;
67	case PIPE_SWIZZLE_0:
68		return V_008F0C_SQ_SEL_0;
69	case PIPE_SWIZZLE_1:
70		return V_008F0C_SQ_SEL_1;
71	default: /* PIPE_SWIZZLE_X */
72		return V_008F0C_SQ_SEL_X;
73	}
74}
75
76static uint32_t S_FIXED(float value, uint32_t frac_bits)
77{
78	return value * (1 << frac_bits);
79}
80
81/* 12.4 fixed-point */
82static unsigned si_pack_float_12p4(float x)
83{
84	return x <= 0    ? 0 :
85	       x >= 4096 ? 0xffff : x * 16;
86}
87
88/*
89 * Inferred framebuffer and blender state.
90 *
91 * One of the reasons CB_TARGET_MASK must be derived from the framebuffer state
92 * is that:
93 * - The blend state mask is 0xf most of the time.
94 * - The COLOR1 format isn't INVALID because of possible dual-source blending,
95 *   so COLOR1 is enabled pretty much all the time.
96 * So CB_TARGET_MASK is the only register that can disable COLOR1.
97 *
98 * Another reason is to avoid a hang with dual source blending.
99 */
100static void si_emit_cb_render_state(struct si_context *sctx, struct r600_atom *atom)
101{
102	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
103	struct si_state_blend *blend = sctx->queued.named.blend;
104	uint32_t cb_target_mask = 0, i;
105
106	for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++)
107		if (sctx->framebuffer.state.cbufs[i])
108			cb_target_mask |= 0xf << (4*i);
109
110	if (blend)
111		cb_target_mask &= blend->cb_target_mask;
112
113	/* Avoid a hang that happens when dual source blending is enabled
114	 * but there is not enough color outputs. This is undefined behavior,
115	 * so disable color writes completely.
116	 *
117	 * Reproducible with Unigine Heaven 4.0 and drirc missing.
118	 */
119	if (blend && blend->dual_src_blend &&
120	    sctx->ps_shader.cso &&
121	    (sctx->ps_shader.cso->info.colors_written & 0x3) != 0x3)
122		cb_target_mask = 0;
123
124	radeon_set_context_reg(cs, R_028238_CB_TARGET_MASK, cb_target_mask);
125
126	/* STONEY-specific register settings. */
127	if (sctx->b.family == CHIP_STONEY) {
128		unsigned spi_shader_col_format =
129			sctx->ps_shader.cso ?
130			sctx->ps_shader.current->key.ps.epilog.spi_shader_col_format : 0;
131		unsigned sx_ps_downconvert = 0;
132		unsigned sx_blend_opt_epsilon = 0;
133		unsigned sx_blend_opt_control = 0;
134
135		for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) {
136			struct r600_surface *surf =
137				(struct r600_surface*)sctx->framebuffer.state.cbufs[i];
138			unsigned format, swap, spi_format, colormask;
139			bool has_alpha, has_rgb;
140
141			if (!surf)
142				continue;
143
144			format = G_028C70_FORMAT(surf->cb_color_info);
145			swap = G_028C70_COMP_SWAP(surf->cb_color_info);
146			spi_format = (spi_shader_col_format >> (i * 4)) & 0xf;
147			colormask = (cb_target_mask >> (i * 4)) & 0xf;
148
149			/* Set if RGB and A are present. */
150			has_alpha = !G_028C74_FORCE_DST_ALPHA_1(surf->cb_color_attrib);
151
152			if (format == V_028C70_COLOR_8 ||
153			    format == V_028C70_COLOR_16 ||
154			    format == V_028C70_COLOR_32)
155				has_rgb = !has_alpha;
156			else
157				has_rgb = true;
158
159			/* Check the colormask and export format. */
160			if (!(colormask & (PIPE_MASK_RGBA & ~PIPE_MASK_A)))
161				has_rgb = false;
162			if (!(colormask & PIPE_MASK_A))
163				has_alpha = false;
164
165			if (spi_format == V_028714_SPI_SHADER_ZERO) {
166				has_rgb = false;
167				has_alpha = false;
168			}
169
170			/* Disable value checking for disabled channels. */
171			if (!has_rgb)
172				sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4);
173			if (!has_alpha)
174				sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i * 4);
175
176			/* Enable down-conversion for 32bpp and smaller formats. */
177			switch (format) {
178			case V_028C70_COLOR_8:
179			case V_028C70_COLOR_8_8:
180			case V_028C70_COLOR_8_8_8_8:
181				/* For 1 and 2-channel formats, use the superset thereof. */
182				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR ||
183				    spi_format == V_028714_SPI_SHADER_UINT16_ABGR ||
184				    spi_format == V_028714_SPI_SHADER_SINT16_ABGR) {
185					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_8_8_8_8 << (i * 4);
186					sx_blend_opt_epsilon |= V_028758_8BIT_FORMAT << (i * 4);
187				}
188				break;
189
190			case V_028C70_COLOR_5_6_5:
191				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
192					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_5_6_5 << (i * 4);
193					sx_blend_opt_epsilon |= V_028758_6BIT_FORMAT << (i * 4);
194				}
195				break;
196
197			case V_028C70_COLOR_1_5_5_5:
198				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
199					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_1_5_5_5 << (i * 4);
200					sx_blend_opt_epsilon |= V_028758_5BIT_FORMAT << (i * 4);
201				}
202				break;
203
204			case V_028C70_COLOR_4_4_4_4:
205				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
206					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_4_4_4_4 << (i * 4);
207					sx_blend_opt_epsilon |= V_028758_4BIT_FORMAT << (i * 4);
208				}
209				break;
210
211			case V_028C70_COLOR_32:
212				if (swap == V_0280A0_SWAP_STD &&
213				    spi_format == V_028714_SPI_SHADER_32_R)
214					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4);
215				else if (swap == V_0280A0_SWAP_ALT_REV &&
216					 spi_format == V_028714_SPI_SHADER_32_AR)
217					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_A << (i * 4);
218				break;
219
220			case V_028C70_COLOR_16:
221			case V_028C70_COLOR_16_16:
222				/* For 1-channel formats, use the superset thereof. */
223				if (spi_format == V_028714_SPI_SHADER_UNORM16_ABGR ||
224				    spi_format == V_028714_SPI_SHADER_SNORM16_ABGR ||
225				    spi_format == V_028714_SPI_SHADER_UINT16_ABGR ||
226				    spi_format == V_028714_SPI_SHADER_SINT16_ABGR) {
227					if (swap == V_0280A0_SWAP_STD ||
228					    swap == V_0280A0_SWAP_STD_REV)
229						sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_GR << (i * 4);
230					else
231						sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_AR << (i * 4);
232				}
233				break;
234
235			case V_028C70_COLOR_10_11_11:
236				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
237					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_10_11_11 << (i * 4);
238					sx_blend_opt_epsilon |= V_028758_11BIT_FORMAT << (i * 4);
239				}
240				break;
241
242			case V_028C70_COLOR_2_10_10_10:
243				if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
244					sx_ps_downconvert |= V_028754_SX_RT_EXPORT_2_10_10_10 << (i * 4);
245					sx_blend_opt_epsilon |= V_028758_10BIT_FORMAT << (i * 4);
246				}
247				break;
248			}
249		}
250
251		if (sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) {
252			sx_ps_downconvert = 0;
253			sx_blend_opt_epsilon = 0;
254			sx_blend_opt_control = 0;
255		}
256
257		radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 3);
258		radeon_emit(cs, sx_ps_downconvert);	/* R_028754_SX_PS_DOWNCONVERT */
259		radeon_emit(cs, sx_blend_opt_epsilon);	/* R_028758_SX_BLEND_OPT_EPSILON */
260		radeon_emit(cs, sx_blend_opt_control);	/* R_02875C_SX_BLEND_OPT_CONTROL */
261	}
262}
263
264/*
265 * Blender functions
266 */
267
268static uint32_t si_translate_blend_function(int blend_func)
269{
270	switch (blend_func) {
271	case PIPE_BLEND_ADD:
272		return V_028780_COMB_DST_PLUS_SRC;
273	case PIPE_BLEND_SUBTRACT:
274		return V_028780_COMB_SRC_MINUS_DST;
275	case PIPE_BLEND_REVERSE_SUBTRACT:
276		return V_028780_COMB_DST_MINUS_SRC;
277	case PIPE_BLEND_MIN:
278		return V_028780_COMB_MIN_DST_SRC;
279	case PIPE_BLEND_MAX:
280		return V_028780_COMB_MAX_DST_SRC;
281	default:
282		R600_ERR("Unknown blend function %d\n", blend_func);
283		assert(0);
284		break;
285	}
286	return 0;
287}
288
289static uint32_t si_translate_blend_factor(int blend_fact)
290{
291	switch (blend_fact) {
292	case PIPE_BLENDFACTOR_ONE:
293		return V_028780_BLEND_ONE;
294	case PIPE_BLENDFACTOR_SRC_COLOR:
295		return V_028780_BLEND_SRC_COLOR;
296	case PIPE_BLENDFACTOR_SRC_ALPHA:
297		return V_028780_BLEND_SRC_ALPHA;
298	case PIPE_BLENDFACTOR_DST_ALPHA:
299		return V_028780_BLEND_DST_ALPHA;
300	case PIPE_BLENDFACTOR_DST_COLOR:
301		return V_028780_BLEND_DST_COLOR;
302	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
303		return V_028780_BLEND_SRC_ALPHA_SATURATE;
304	case PIPE_BLENDFACTOR_CONST_COLOR:
305		return V_028780_BLEND_CONSTANT_COLOR;
306	case PIPE_BLENDFACTOR_CONST_ALPHA:
307		return V_028780_BLEND_CONSTANT_ALPHA;
308	case PIPE_BLENDFACTOR_ZERO:
309		return V_028780_BLEND_ZERO;
310	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
311		return V_028780_BLEND_ONE_MINUS_SRC_COLOR;
312	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
313		return V_028780_BLEND_ONE_MINUS_SRC_ALPHA;
314	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
315		return V_028780_BLEND_ONE_MINUS_DST_ALPHA;
316	case PIPE_BLENDFACTOR_INV_DST_COLOR:
317		return V_028780_BLEND_ONE_MINUS_DST_COLOR;
318	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
319		return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR;
320	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
321		return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA;
322	case PIPE_BLENDFACTOR_SRC1_COLOR:
323		return V_028780_BLEND_SRC1_COLOR;
324	case PIPE_BLENDFACTOR_SRC1_ALPHA:
325		return V_028780_BLEND_SRC1_ALPHA;
326	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
327		return V_028780_BLEND_INV_SRC1_COLOR;
328	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
329		return V_028780_BLEND_INV_SRC1_ALPHA;
330	default:
331		R600_ERR("Bad blend factor %d not supported!\n", blend_fact);
332		assert(0);
333		break;
334	}
335	return 0;
336}
337
338static uint32_t si_translate_blend_opt_function(int blend_func)
339{
340	switch (blend_func) {
341	case PIPE_BLEND_ADD:
342		return V_028760_OPT_COMB_ADD;
343	case PIPE_BLEND_SUBTRACT:
344		return V_028760_OPT_COMB_SUBTRACT;
345	case PIPE_BLEND_REVERSE_SUBTRACT:
346		return V_028760_OPT_COMB_REVSUBTRACT;
347	case PIPE_BLEND_MIN:
348		return V_028760_OPT_COMB_MIN;
349	case PIPE_BLEND_MAX:
350		return V_028760_OPT_COMB_MAX;
351	default:
352		return V_028760_OPT_COMB_BLEND_DISABLED;
353	}
354}
355
356static uint32_t si_translate_blend_opt_factor(int blend_fact, bool is_alpha)
357{
358	switch (blend_fact) {
359	case PIPE_BLENDFACTOR_ZERO:
360		return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_ALL;
361	case PIPE_BLENDFACTOR_ONE:
362		return V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE;
363	case PIPE_BLENDFACTOR_SRC_COLOR:
364		return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0
365				: V_028760_BLEND_OPT_PRESERVE_C1_IGNORE_C0;
366	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
367		return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1
368				: V_028760_BLEND_OPT_PRESERVE_C0_IGNORE_C1;
369	case PIPE_BLENDFACTOR_SRC_ALPHA:
370		return V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0;
371	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
372		return V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1;
373	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
374		return is_alpha ? V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE
375				: V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0;
376	default:
377		return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE;
378	}
379}
380
381/**
382 * Get rid of DST in the blend factors by commuting the operands:
383 *    func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
384 */
385static void si_blend_remove_dst(unsigned *func, unsigned *src_factor,
386				unsigned *dst_factor, unsigned expected_dst,
387				unsigned replacement_src)
388{
389	if (*src_factor == expected_dst &&
390	    *dst_factor == PIPE_BLENDFACTOR_ZERO) {
391		*src_factor = PIPE_BLENDFACTOR_ZERO;
392		*dst_factor = replacement_src;
393
394		/* Commuting the operands requires reversing subtractions. */
395		if (*func == PIPE_BLEND_SUBTRACT)
396			*func = PIPE_BLEND_REVERSE_SUBTRACT;
397		else if (*func == PIPE_BLEND_REVERSE_SUBTRACT)
398			*func = PIPE_BLEND_SUBTRACT;
399	}
400}
401
402static bool si_blend_factor_uses_dst(unsigned factor)
403{
404	return factor == PIPE_BLENDFACTOR_DST_COLOR ||
405		factor == PIPE_BLENDFACTOR_DST_ALPHA ||
406		factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
407		factor == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
408		factor == PIPE_BLENDFACTOR_INV_DST_COLOR;
409}
410
411static void *si_create_blend_state_mode(struct pipe_context *ctx,
412					const struct pipe_blend_state *state,
413					unsigned mode)
414{
415	struct si_context *sctx = (struct si_context*)ctx;
416	struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend);
417	struct si_pm4_state *pm4 = &blend->pm4;
418	uint32_t sx_mrt_blend_opt[8] = {0};
419	uint32_t color_control = 0;
420
421	if (!blend)
422		return NULL;
423
424	blend->alpha_to_coverage = state->alpha_to_coverage;
425	blend->alpha_to_one = state->alpha_to_one;
426	blend->dual_src_blend = util_blend_state_is_dual(state, 0);
427
428	if (state->logicop_enable) {
429		color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4));
430	} else {
431		color_control |= S_028808_ROP3(0xcc);
432	}
433
434	si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK,
435		       S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
436		       S_028B70_ALPHA_TO_MASK_OFFSET0(2) |
437		       S_028B70_ALPHA_TO_MASK_OFFSET1(2) |
438		       S_028B70_ALPHA_TO_MASK_OFFSET2(2) |
439		       S_028B70_ALPHA_TO_MASK_OFFSET3(2));
440
441	if (state->alpha_to_coverage)
442		blend->need_src_alpha_4bit |= 0xf;
443
444	blend->cb_target_mask = 0;
445	for (int i = 0; i < 8; i++) {
446		/* state->rt entries > 0 only written if independent blending */
447		const int j = state->independent_blend_enable ? i : 0;
448
449		unsigned eqRGB = state->rt[j].rgb_func;
450		unsigned srcRGB = state->rt[j].rgb_src_factor;
451		unsigned dstRGB = state->rt[j].rgb_dst_factor;
452		unsigned eqA = state->rt[j].alpha_func;
453		unsigned srcA = state->rt[j].alpha_src_factor;
454		unsigned dstA = state->rt[j].alpha_dst_factor;
455
456		unsigned srcRGB_opt, dstRGB_opt, srcA_opt, dstA_opt;
457		unsigned blend_cntl = 0;
458
459		sx_mrt_blend_opt[i] =
460			S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) |
461			S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED);
462
463		if (!state->rt[j].colormask)
464			continue;
465
466		/* cb_render_state will disable unused ones */
467		blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i);
468
469		if (!state->rt[j].blend_enable) {
470			si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
471			continue;
472		}
473
474		/* Blending optimizations for Stoney.
475		 * These transformations don't change the behavior.
476		 *
477		 * First, get rid of DST in the blend factors:
478		 *    func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
479		 */
480		si_blend_remove_dst(&eqRGB, &srcRGB, &dstRGB,
481				    PIPE_BLENDFACTOR_DST_COLOR,
482				    PIPE_BLENDFACTOR_SRC_COLOR);
483		si_blend_remove_dst(&eqA, &srcA, &dstA,
484				    PIPE_BLENDFACTOR_DST_COLOR,
485				    PIPE_BLENDFACTOR_SRC_COLOR);
486		si_blend_remove_dst(&eqA, &srcA, &dstA,
487				    PIPE_BLENDFACTOR_DST_ALPHA,
488				    PIPE_BLENDFACTOR_SRC_ALPHA);
489
490		/* Look up the ideal settings from tables. */
491		srcRGB_opt = si_translate_blend_opt_factor(srcRGB, false);
492		dstRGB_opt = si_translate_blend_opt_factor(dstRGB, false);
493		srcA_opt = si_translate_blend_opt_factor(srcA, true);
494		dstA_opt = si_translate_blend_opt_factor(dstA, true);
495
496		/* Handle interdependencies. */
497		if (si_blend_factor_uses_dst(srcRGB))
498			dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE;
499		if (si_blend_factor_uses_dst(srcA))
500			dstA_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE;
501
502		if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE &&
503		    (dstRGB == PIPE_BLENDFACTOR_ZERO ||
504		     dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
505		     dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE))
506			dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0;
507
508		/* Set the final value. */
509		sx_mrt_blend_opt[i] =
510			S_028760_COLOR_SRC_OPT(srcRGB_opt) |
511			S_028760_COLOR_DST_OPT(dstRGB_opt) |
512			S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB)) |
513			S_028760_ALPHA_SRC_OPT(srcA_opt) |
514			S_028760_ALPHA_DST_OPT(dstA_opt) |
515			S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA));
516
517		/* Set blend state. */
518		blend_cntl |= S_028780_ENABLE(1);
519		blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB));
520		blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB));
521		blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB));
522
523		if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
524			blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1);
525			blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA));
526			blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA));
527			blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA));
528		}
529		si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
530
531		blend->blend_enable_4bit |= 0xfu << (i * 4);
532
533		/* This is only important for formats without alpha. */
534		if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
535		    dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
536		    srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
537		    dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
538		    srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
539		    dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA)
540			blend->need_src_alpha_4bit |= 0xfu << (i * 4);
541	}
542
543	if (blend->cb_target_mask) {
544		color_control |= S_028808_MODE(mode);
545	} else {
546		color_control |= S_028808_MODE(V_028808_CB_DISABLE);
547	}
548
549	if (sctx->b.family == CHIP_STONEY) {
550		for (int i = 0; i < 8; i++)
551			si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4,
552				       sx_mrt_blend_opt[i]);
553
554		/* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */
555		if (blend->dual_src_blend || state->logicop_enable ||
556		    mode == V_028808_CB_RESOLVE)
557			color_control |= S_028808_DISABLE_DUAL_QUAD(1);
558	}
559
560	si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control);
561	return blend;
562}
563
564static void *si_create_blend_state(struct pipe_context *ctx,
565				   const struct pipe_blend_state *state)
566{
567	return si_create_blend_state_mode(ctx, state, V_028808_CB_NORMAL);
568}
569
570static void si_bind_blend_state(struct pipe_context *ctx, void *state)
571{
572	struct si_context *sctx = (struct si_context *)ctx;
573	si_pm4_bind_state(sctx, blend, (struct si_state_blend *)state);
574	si_mark_atom_dirty(sctx, &sctx->cb_render_state);
575}
576
577static void si_delete_blend_state(struct pipe_context *ctx, void *state)
578{
579	struct si_context *sctx = (struct si_context *)ctx;
580	si_pm4_delete_state(sctx, blend, (struct si_state_blend *)state);
581}
582
583static void si_set_blend_color(struct pipe_context *ctx,
584			       const struct pipe_blend_color *state)
585{
586	struct si_context *sctx = (struct si_context *)ctx;
587
588	if (memcmp(&sctx->blend_color.state, state, sizeof(*state)) == 0)
589		return;
590
591	sctx->blend_color.state = *state;
592	si_mark_atom_dirty(sctx, &sctx->blend_color.atom);
593}
594
595static void si_emit_blend_color(struct si_context *sctx, struct r600_atom *atom)
596{
597	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
598
599	radeon_set_context_reg_seq(cs, R_028414_CB_BLEND_RED, 4);
600	radeon_emit_array(cs, (uint32_t*)sctx->blend_color.state.color, 4);
601}
602
603/*
604 * Clipping
605 */
606
607static void si_set_clip_state(struct pipe_context *ctx,
608			      const struct pipe_clip_state *state)
609{
610	struct si_context *sctx = (struct si_context *)ctx;
611	struct pipe_constant_buffer cb;
612
613	if (memcmp(&sctx->clip_state.state, state, sizeof(*state)) == 0)
614		return;
615
616	sctx->clip_state.state = *state;
617	si_mark_atom_dirty(sctx, &sctx->clip_state.atom);
618
619	cb.buffer = NULL;
620	cb.user_buffer = state->ucp;
621	cb.buffer_offset = 0;
622	cb.buffer_size = 4*4*8;
623	si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES, &cb);
624	pipe_resource_reference(&cb.buffer, NULL);
625}
626
627static void si_emit_clip_state(struct si_context *sctx, struct r600_atom *atom)
628{
629	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
630
631	radeon_set_context_reg_seq(cs, R_0285BC_PA_CL_UCP_0_X, 6*4);
632	radeon_emit_array(cs, (uint32_t*)sctx->clip_state.state.ucp, 6*4);
633}
634
635#define SIX_BITS 0x3F
636
637static void si_emit_clip_regs(struct si_context *sctx, struct r600_atom *atom)
638{
639	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
640	struct tgsi_shader_info *info = si_get_vs_info(sctx);
641	unsigned window_space =
642	   info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION];
643	unsigned clipdist_mask =
644		info->writes_clipvertex ? SIX_BITS : info->clipdist_writemask;
645
646	radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL,
647		S_02881C_USE_VTX_POINT_SIZE(info->writes_psize) |
648		S_02881C_USE_VTX_EDGE_FLAG(info->writes_edgeflag) |
649		S_02881C_USE_VTX_RENDER_TARGET_INDX(info->writes_layer) |
650	        S_02881C_USE_VTX_VIEWPORT_INDX(info->writes_viewport_index) |
651		S_02881C_VS_OUT_CCDIST0_VEC_ENA((clipdist_mask & 0x0F) != 0) |
652		S_02881C_VS_OUT_CCDIST1_VEC_ENA((clipdist_mask & 0xF0) != 0) |
653		S_02881C_VS_OUT_MISC_VEC_ENA(info->writes_psize ||
654					    info->writes_edgeflag ||
655					    info->writes_layer ||
656					     info->writes_viewport_index) |
657		S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(1) |
658		(sctx->queued.named.rasterizer->clip_plane_enable &
659		 clipdist_mask));
660	radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL,
661		sctx->queued.named.rasterizer->pa_cl_clip_cntl |
662		(clipdist_mask ? 0 :
663		 sctx->queued.named.rasterizer->clip_plane_enable & SIX_BITS) |
664		S_028810_CLIP_DISABLE(window_space));
665
666	/* reuse needs to be set off if we write oViewport */
667	radeon_set_context_reg(cs, R_028AB4_VGT_REUSE_OFF,
668			       S_028AB4_REUSE_OFF(info->writes_viewport_index));
669}
670
671/*
672 * inferred state between framebuffer and rasterizer
673 */
674static void si_update_poly_offset_state(struct si_context *sctx)
675{
676	struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
677
678	if (!rs || !rs->uses_poly_offset || !sctx->framebuffer.state.zsbuf)
679		return;
680
681	switch (sctx->framebuffer.state.zsbuf->texture->format) {
682	case PIPE_FORMAT_Z16_UNORM:
683		si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[0]);
684		break;
685	default: /* 24-bit */
686		si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[1]);
687		break;
688	case PIPE_FORMAT_Z32_FLOAT:
689	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
690		si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[2]);
691		break;
692	}
693}
694
695/*
696 * Rasterizer
697 */
698
699static uint32_t si_translate_fill(uint32_t func)
700{
701	switch(func) {
702	case PIPE_POLYGON_MODE_FILL:
703		return V_028814_X_DRAW_TRIANGLES;
704	case PIPE_POLYGON_MODE_LINE:
705		return V_028814_X_DRAW_LINES;
706	case PIPE_POLYGON_MODE_POINT:
707		return V_028814_X_DRAW_POINTS;
708	default:
709		assert(0);
710		return V_028814_X_DRAW_POINTS;
711	}
712}
713
714static void *si_create_rs_state(struct pipe_context *ctx,
715				const struct pipe_rasterizer_state *state)
716{
717	struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer);
718	struct si_pm4_state *pm4 = &rs->pm4;
719	unsigned tmp, i;
720	float psize_min, psize_max;
721
722	if (!rs) {
723		return NULL;
724	}
725
726	rs->scissor_enable = state->scissor;
727	rs->two_side = state->light_twoside;
728	rs->multisample_enable = state->multisample;
729	rs->force_persample_interp = state->force_persample_interp;
730	rs->clip_plane_enable = state->clip_plane_enable;
731	rs->line_stipple_enable = state->line_stipple_enable;
732	rs->poly_stipple_enable = state->poly_stipple_enable;
733	rs->line_smooth = state->line_smooth;
734	rs->poly_smooth = state->poly_smooth;
735	rs->uses_poly_offset = state->offset_point || state->offset_line ||
736			       state->offset_tri;
737	rs->clamp_fragment_color = state->clamp_fragment_color;
738	rs->flatshade = state->flatshade;
739	rs->sprite_coord_enable = state->sprite_coord_enable;
740	rs->rasterizer_discard = state->rasterizer_discard;
741	rs->pa_sc_line_stipple = state->line_stipple_enable ?
742				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
743				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
744	rs->pa_cl_clip_cntl =
745		S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) |
746		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) |
747		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) |
748		S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) |
749		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
750
751	si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0,
752		S_0286D4_FLAT_SHADE_ENA(1) |
753		S_0286D4_PNT_SPRITE_ENA(1) |
754		S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) |
755		S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) |
756		S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) |
757		S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1) |
758		S_0286D4_PNT_SPRITE_TOP_1(state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT));
759
760	/* point size 12.4 fixed point */
761	tmp = (unsigned)(state->point_size * 8.0);
762	si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
763
764	if (state->point_size_per_vertex) {
765		psize_min = util_get_min_point_size(state);
766		psize_max = 8192;
767	} else {
768		/* Force the point size to be as if the vertex output was disabled. */
769		psize_min = state->point_size;
770		psize_max = state->point_size;
771	}
772	/* Divide by two, because 0.5 = 1 pixel. */
773	si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX,
774			S_028A04_MIN_SIZE(si_pack_float_12p4(psize_min/2)) |
775			S_028A04_MAX_SIZE(si_pack_float_12p4(psize_max/2)));
776
777	tmp = (unsigned)state->line_width * 8;
778	si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp));
779	si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0,
780		       S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
781		       S_028A48_MSAA_ENABLE(state->multisample ||
782					    state->poly_smooth ||
783					    state->line_smooth) |
784		       S_028A48_VPORT_SCISSOR_ENABLE(1));
785
786	si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL,
787		       S_028BE4_PIX_CENTER(state->half_pixel_center) |
788		       S_028BE4_QUANT_MODE(V_028BE4_X_16_8_FIXED_POINT_1_256TH));
789
790	si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
791	si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL,
792		S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) |
793		S_028814_CULL_FRONT((state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) |
794		S_028814_CULL_BACK((state->cull_face & PIPE_FACE_BACK) ? 1 : 0) |
795		S_028814_FACE(!state->front_ccw) |
796		S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) |
797		S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) |
798		S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) |
799		S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL ||
800				   state->fill_back != PIPE_POLYGON_MODE_FILL) |
801		S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) |
802		S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back)));
803	si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0 +
804		       SI_SGPR_VS_STATE_BITS * 4, state->clamp_vertex_color);
805
806	/* Precalculate polygon offset states for 16-bit, 24-bit, and 32-bit zbuffers. */
807	for (i = 0; i < 3; i++) {
808		struct si_pm4_state *pm4 = &rs->pm4_poly_offset[i];
809		float offset_units = state->offset_units;
810		float offset_scale = state->offset_scale * 16.0f;
811		uint32_t pa_su_poly_offset_db_fmt_cntl = 0;
812
813		if (!state->offset_units_unscaled) {
814			switch (i) {
815			case 0: /* 16-bit zbuffer */
816				offset_units *= 4.0f;
817				pa_su_poly_offset_db_fmt_cntl =
818					S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-16);
819				break;
820			case 1: /* 24-bit zbuffer */
821				offset_units *= 2.0f;
822				pa_su_poly_offset_db_fmt_cntl =
823					S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-24);
824				break;
825			case 2: /* 32-bit zbuffer */
826				offset_units *= 1.0f;
827				pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-23) |
828								S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
829				break;
830			}
831		}
832
833		si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE,
834			       fui(offset_scale));
835		si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET,
836			       fui(offset_units));
837		si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE,
838			       fui(offset_scale));
839		si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET,
840			       fui(offset_units));
841		si_pm4_set_reg(pm4, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
842			       pa_su_poly_offset_db_fmt_cntl);
843	}
844
845	return rs;
846}
847
848static void si_bind_rs_state(struct pipe_context *ctx, void *state)
849{
850	struct si_context *sctx = (struct si_context *)ctx;
851	struct si_state_rasterizer *old_rs =
852		(struct si_state_rasterizer*)sctx->queued.named.rasterizer;
853	struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state;
854
855	if (!state)
856		return;
857
858	if (sctx->framebuffer.nr_samples > 1 &&
859	    (!old_rs || old_rs->multisample_enable != rs->multisample_enable)) {
860		si_mark_atom_dirty(sctx, &sctx->db_render_state);
861
862		if (sctx->b.family >= CHIP_POLARIS10)
863			si_mark_atom_dirty(sctx, &sctx->msaa_sample_locs.atom);
864	}
865
866	r600_set_scissor_enable(&sctx->b, rs->scissor_enable);
867
868	si_pm4_bind_state(sctx, rasterizer, rs);
869	si_update_poly_offset_state(sctx);
870
871	si_mark_atom_dirty(sctx, &sctx->clip_regs);
872}
873
874static void si_delete_rs_state(struct pipe_context *ctx, void *state)
875{
876	struct si_context *sctx = (struct si_context *)ctx;
877
878	if (sctx->queued.named.rasterizer == state)
879		si_pm4_bind_state(sctx, poly_offset, NULL);
880	si_pm4_delete_state(sctx, rasterizer, (struct si_state_rasterizer *)state);
881}
882
883/*
884 * infeered state between dsa and stencil ref
885 */
886static void si_emit_stencil_ref(struct si_context *sctx, struct r600_atom *atom)
887{
888	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
889	struct pipe_stencil_ref *ref = &sctx->stencil_ref.state;
890	struct si_dsa_stencil_ref_part *dsa = &sctx->stencil_ref.dsa_part;
891
892	radeon_set_context_reg_seq(cs, R_028430_DB_STENCILREFMASK, 2);
893	radeon_emit(cs, S_028430_STENCILTESTVAL(ref->ref_value[0]) |
894			S_028430_STENCILMASK(dsa->valuemask[0]) |
895			S_028430_STENCILWRITEMASK(dsa->writemask[0]) |
896			S_028430_STENCILOPVAL(1));
897	radeon_emit(cs, S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) |
898			S_028434_STENCILMASK_BF(dsa->valuemask[1]) |
899			S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) |
900			S_028434_STENCILOPVAL_BF(1));
901}
902
903static void si_set_stencil_ref(struct pipe_context *ctx,
904			       const struct pipe_stencil_ref *state)
905{
906        struct si_context *sctx = (struct si_context *)ctx;
907
908	if (memcmp(&sctx->stencil_ref.state, state, sizeof(*state)) == 0)
909		return;
910
911	sctx->stencil_ref.state = *state;
912	si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom);
913}
914
915
916/*
917 * DSA
918 */
919
920static uint32_t si_translate_stencil_op(int s_op)
921{
922	switch (s_op) {
923	case PIPE_STENCIL_OP_KEEP:
924		return V_02842C_STENCIL_KEEP;
925	case PIPE_STENCIL_OP_ZERO:
926		return V_02842C_STENCIL_ZERO;
927	case PIPE_STENCIL_OP_REPLACE:
928		return V_02842C_STENCIL_REPLACE_TEST;
929	case PIPE_STENCIL_OP_INCR:
930		return V_02842C_STENCIL_ADD_CLAMP;
931	case PIPE_STENCIL_OP_DECR:
932		return V_02842C_STENCIL_SUB_CLAMP;
933	case PIPE_STENCIL_OP_INCR_WRAP:
934		return V_02842C_STENCIL_ADD_WRAP;
935	case PIPE_STENCIL_OP_DECR_WRAP:
936		return V_02842C_STENCIL_SUB_WRAP;
937	case PIPE_STENCIL_OP_INVERT:
938		return V_02842C_STENCIL_INVERT;
939	default:
940		R600_ERR("Unknown stencil op %d", s_op);
941		assert(0);
942		break;
943	}
944	return 0;
945}
946
947static void *si_create_dsa_state(struct pipe_context *ctx,
948				 const struct pipe_depth_stencil_alpha_state *state)
949{
950	struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa);
951	struct si_pm4_state *pm4 = &dsa->pm4;
952	unsigned db_depth_control;
953	uint32_t db_stencil_control = 0;
954
955	if (!dsa) {
956		return NULL;
957	}
958
959	dsa->stencil_ref.valuemask[0] = state->stencil[0].valuemask;
960	dsa->stencil_ref.valuemask[1] = state->stencil[1].valuemask;
961	dsa->stencil_ref.writemask[0] = state->stencil[0].writemask;
962	dsa->stencil_ref.writemask[1] = state->stencil[1].writemask;
963
964	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
965		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
966		S_028800_ZFUNC(state->depth.func) |
967		S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test);
968
969	/* stencil */
970	if (state->stencil[0].enabled) {
971		db_depth_control |= S_028800_STENCIL_ENABLE(1);
972		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func);
973		db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op));
974		db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op));
975		db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op));
976
977		if (state->stencil[1].enabled) {
978			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
979			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func);
980			db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op));
981			db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op));
982			db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op));
983		}
984	}
985
986	/* alpha */
987	if (state->alpha.enabled) {
988		dsa->alpha_func = state->alpha.func;
989
990		si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0 +
991		               SI_SGPR_ALPHA_REF * 4, fui(state->alpha.ref_value));
992	} else {
993		dsa->alpha_func = PIPE_FUNC_ALWAYS;
994	}
995
996	si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control);
997	si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control);
998	if (state->depth.bounds_test) {
999		si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min));
1000		si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max));
1001	}
1002
1003	return dsa;
1004}
1005
1006static void si_bind_dsa_state(struct pipe_context *ctx, void *state)
1007{
1008        struct si_context *sctx = (struct si_context *)ctx;
1009        struct si_state_dsa *dsa = state;
1010
1011        if (!state)
1012                return;
1013
1014	si_pm4_bind_state(sctx, dsa, dsa);
1015
1016	if (memcmp(&dsa->stencil_ref, &sctx->stencil_ref.dsa_part,
1017		   sizeof(struct si_dsa_stencil_ref_part)) != 0) {
1018		sctx->stencil_ref.dsa_part = dsa->stencil_ref;
1019		si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom);
1020	}
1021}
1022
1023static void si_delete_dsa_state(struct pipe_context *ctx, void *state)
1024{
1025	struct si_context *sctx = (struct si_context *)ctx;
1026	si_pm4_delete_state(sctx, dsa, (struct si_state_dsa *)state);
1027}
1028
1029static void *si_create_db_flush_dsa(struct si_context *sctx)
1030{
1031	struct pipe_depth_stencil_alpha_state dsa = {};
1032
1033	return sctx->b.b.create_depth_stencil_alpha_state(&sctx->b.b, &dsa);
1034}
1035
1036/* DB RENDER STATE */
1037
1038static void si_set_active_query_state(struct pipe_context *ctx, boolean enable)
1039{
1040	struct si_context *sctx = (struct si_context*)ctx;
1041
1042	/* Pipeline stat & streamout queries. */
1043	if (enable) {
1044		sctx->b.flags &= ~R600_CONTEXT_STOP_PIPELINE_STATS;
1045		sctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS;
1046	} else {
1047		sctx->b.flags &= ~R600_CONTEXT_START_PIPELINE_STATS;
1048		sctx->b.flags |= R600_CONTEXT_STOP_PIPELINE_STATS;
1049	}
1050
1051	/* Occlusion queries. */
1052	if (sctx->occlusion_queries_disabled != !enable) {
1053		sctx->occlusion_queries_disabled = !enable;
1054		si_mark_atom_dirty(sctx, &sctx->db_render_state);
1055	}
1056}
1057
1058static void si_set_occlusion_query_state(struct pipe_context *ctx, bool enable)
1059{
1060	struct si_context *sctx = (struct si_context*)ctx;
1061
1062	si_mark_atom_dirty(sctx, &sctx->db_render_state);
1063}
1064
1065static void si_emit_db_render_state(struct si_context *sctx, struct r600_atom *state)
1066{
1067	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
1068	struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
1069	unsigned db_shader_control;
1070
1071	radeon_set_context_reg_seq(cs, R_028000_DB_RENDER_CONTROL, 2);
1072
1073	/* DB_RENDER_CONTROL */
1074	if (sctx->dbcb_depth_copy_enabled ||
1075	    sctx->dbcb_stencil_copy_enabled) {
1076		radeon_emit(cs,
1077			    S_028000_DEPTH_COPY(sctx->dbcb_depth_copy_enabled) |
1078			    S_028000_STENCIL_COPY(sctx->dbcb_stencil_copy_enabled) |
1079			    S_028000_COPY_CENTROID(1) |
1080			    S_028000_COPY_SAMPLE(sctx->dbcb_copy_sample));
1081	} else if (sctx->db_flush_depth_inplace || sctx->db_flush_stencil_inplace) {
1082		radeon_emit(cs,
1083			    S_028000_DEPTH_COMPRESS_DISABLE(sctx->db_flush_depth_inplace) |
1084			    S_028000_STENCIL_COMPRESS_DISABLE(sctx->db_flush_stencil_inplace));
1085	} else {
1086		radeon_emit(cs,
1087			    S_028000_DEPTH_CLEAR_ENABLE(sctx->db_depth_clear) |
1088			    S_028000_STENCIL_CLEAR_ENABLE(sctx->db_stencil_clear));
1089	}
1090
1091	/* DB_COUNT_CONTROL (occlusion queries) */
1092	if (sctx->b.num_occlusion_queries > 0 &&
1093	    !sctx->occlusion_queries_disabled) {
1094		bool perfect = sctx->b.num_perfect_occlusion_queries > 0;
1095
1096		if (sctx->b.chip_class >= CIK) {
1097			radeon_emit(cs,
1098				    S_028004_PERFECT_ZPASS_COUNTS(perfect) |
1099				    S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) |
1100				    S_028004_ZPASS_ENABLE(1) |
1101				    S_028004_SLICE_EVEN_ENABLE(1) |
1102				    S_028004_SLICE_ODD_ENABLE(1));
1103		} else {
1104			radeon_emit(cs,
1105				    S_028004_PERFECT_ZPASS_COUNTS(perfect) |
1106				    S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples));
1107		}
1108	} else {
1109		/* Disable occlusion queries. */
1110		if (sctx->b.chip_class >= CIK) {
1111			radeon_emit(cs, 0);
1112		} else {
1113			radeon_emit(cs, S_028004_ZPASS_INCREMENT_DISABLE(1));
1114		}
1115	}
1116
1117	/* DB_RENDER_OVERRIDE2 */
1118	radeon_set_context_reg(cs, R_028010_DB_RENDER_OVERRIDE2,
1119		S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx->db_depth_disable_expclear) |
1120		S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear) |
1121		S_028010_DECOMPRESS_Z_ON_FLUSH(sctx->framebuffer.nr_samples >= 4));
1122
1123	db_shader_control = S_02880C_ALPHA_TO_MASK_DISABLE(sctx->framebuffer.cb0_is_integer) |
1124		            sctx->ps_db_shader_control;
1125
1126	/* Bug workaround for smoothing (overrasterization) on SI. */
1127	if (sctx->b.chip_class == SI && sctx->smoothing_enabled) {
1128		db_shader_control &= C_02880C_Z_ORDER;
1129		db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z);
1130	}
1131
1132	/* Disable the gl_SampleMask fragment shader output if MSAA is disabled. */
1133	if (sctx->framebuffer.nr_samples <= 1 || (rs && !rs->multisample_enable))
1134		db_shader_control &= C_02880C_MASK_EXPORT_ENABLE;
1135
1136	if (sctx->b.family == CHIP_STONEY &&
1137	    sctx->screen->b.debug_flags & DBG_NO_RB_PLUS)
1138		db_shader_control |= S_02880C_DUAL_QUAD_DISABLE(1);
1139
1140	radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL,
1141			       db_shader_control);
1142}
1143
1144/*
1145 * format translation
1146 */
1147static uint32_t si_translate_colorformat(enum pipe_format format)
1148{
1149	const struct util_format_description *desc = util_format_description(format);
1150
1151#define HAS_SIZE(x,y,z,w) \
1152	(desc->channel[0].size == (x) && desc->channel[1].size == (y) && \
1153         desc->channel[2].size == (z) && desc->channel[3].size == (w))
1154
1155	if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
1156		return V_028C70_COLOR_10_11_11;
1157
1158	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
1159		return V_028C70_COLOR_INVALID;
1160
1161	/* hw cannot support mixed formats (except depth/stencil, since
1162	 * stencil is not written to). */
1163	if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
1164		return V_028C70_COLOR_INVALID;
1165
1166	switch (desc->nr_channels) {
1167	case 1:
1168		switch (desc->channel[0].size) {
1169		case 8:
1170			return V_028C70_COLOR_8;
1171		case 16:
1172			return V_028C70_COLOR_16;
1173		case 32:
1174			return V_028C70_COLOR_32;
1175		}
1176		break;
1177	case 2:
1178		if (desc->channel[0].size == desc->channel[1].size) {
1179			switch (desc->channel[0].size) {
1180			case 8:
1181				return V_028C70_COLOR_8_8;
1182			case 16:
1183				return V_028C70_COLOR_16_16;
1184			case 32:
1185				return V_028C70_COLOR_32_32;
1186			}
1187		} else if (HAS_SIZE(8,24,0,0)) {
1188			return V_028C70_COLOR_24_8;
1189		} else if (HAS_SIZE(24,8,0,0)) {
1190			return V_028C70_COLOR_8_24;
1191		}
1192		break;
1193	case 3:
1194		if (HAS_SIZE(5,6,5,0)) {
1195			return V_028C70_COLOR_5_6_5;
1196		} else if (HAS_SIZE(32,8,24,0)) {
1197			return V_028C70_COLOR_X24_8_32_FLOAT;
1198		}
1199		break;
1200	case 4:
1201		if (desc->channel[0].size == desc->channel[1].size &&
1202		    desc->channel[0].size == desc->channel[2].size &&
1203		    desc->channel[0].size == desc->channel[3].size) {
1204			switch (desc->channel[0].size) {
1205			case 4:
1206				return V_028C70_COLOR_4_4_4_4;
1207			case 8:
1208				return V_028C70_COLOR_8_8_8_8;
1209			case 16:
1210				return V_028C70_COLOR_16_16_16_16;
1211			case 32:
1212				return V_028C70_COLOR_32_32_32_32;
1213			}
1214		} else if (HAS_SIZE(5,5,5,1)) {
1215			return V_028C70_COLOR_1_5_5_5;
1216		} else if (HAS_SIZE(10,10,10,2)) {
1217			return V_028C70_COLOR_2_10_10_10;
1218		}
1219		break;
1220	}
1221	return V_028C70_COLOR_INVALID;
1222}
1223
1224static uint32_t si_colorformat_endian_swap(uint32_t colorformat)
1225{
1226	if (SI_BIG_ENDIAN) {
1227		switch(colorformat) {
1228		/* 8-bit buffers. */
1229		case V_028C70_COLOR_8:
1230			return V_028C70_ENDIAN_NONE;
1231
1232		/* 16-bit buffers. */
1233		case V_028C70_COLOR_5_6_5:
1234		case V_028C70_COLOR_1_5_5_5:
1235		case V_028C70_COLOR_4_4_4_4:
1236		case V_028C70_COLOR_16:
1237		case V_028C70_COLOR_8_8:
1238			return V_028C70_ENDIAN_8IN16;
1239
1240		/* 32-bit buffers. */
1241		case V_028C70_COLOR_8_8_8_8:
1242		case V_028C70_COLOR_2_10_10_10:
1243		case V_028C70_COLOR_8_24:
1244		case V_028C70_COLOR_24_8:
1245		case V_028C70_COLOR_16_16:
1246			return V_028C70_ENDIAN_8IN32;
1247
1248		/* 64-bit buffers. */
1249		case V_028C70_COLOR_16_16_16_16:
1250			return V_028C70_ENDIAN_8IN16;
1251
1252		case V_028C70_COLOR_32_32:
1253			return V_028C70_ENDIAN_8IN32;
1254
1255		/* 128-bit buffers. */
1256		case V_028C70_COLOR_32_32_32_32:
1257			return V_028C70_ENDIAN_8IN32;
1258		default:
1259			return V_028C70_ENDIAN_NONE; /* Unsupported. */
1260		}
1261	} else {
1262		return V_028C70_ENDIAN_NONE;
1263	}
1264}
1265
1266static uint32_t si_translate_dbformat(enum pipe_format format)
1267{
1268	switch (format) {
1269	case PIPE_FORMAT_Z16_UNORM:
1270		return V_028040_Z_16;
1271	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1272	case PIPE_FORMAT_X8Z24_UNORM:
1273	case PIPE_FORMAT_Z24X8_UNORM:
1274	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1275		return V_028040_Z_24; /* deprecated on SI */
1276	case PIPE_FORMAT_Z32_FLOAT:
1277	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1278		return V_028040_Z_32_FLOAT;
1279	default:
1280		return V_028040_Z_INVALID;
1281	}
1282}
1283
1284/*
1285 * Texture translation
1286 */
1287
1288static uint32_t si_translate_texformat(struct pipe_screen *screen,
1289				       enum pipe_format format,
1290				       const struct util_format_description *desc,
1291				       int first_non_void)
1292{
1293	struct si_screen *sscreen = (struct si_screen*)screen;
1294	bool enable_compressed_formats = (sscreen->b.info.drm_major == 2 &&
1295					  sscreen->b.info.drm_minor >= 31) ||
1296					 sscreen->b.info.drm_major == 3;
1297	bool uniform = true;
1298	int i;
1299
1300	/* Colorspace (return non-RGB formats directly). */
1301	switch (desc->colorspace) {
1302	/* Depth stencil formats */
1303	case UTIL_FORMAT_COLORSPACE_ZS:
1304		switch (format) {
1305		case PIPE_FORMAT_Z16_UNORM:
1306			return V_008F14_IMG_DATA_FORMAT_16;
1307		case PIPE_FORMAT_X24S8_UINT:
1308		case PIPE_FORMAT_Z24X8_UNORM:
1309		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1310			return V_008F14_IMG_DATA_FORMAT_8_24;
1311		case PIPE_FORMAT_X8Z24_UNORM:
1312		case PIPE_FORMAT_S8X24_UINT:
1313		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1314			return V_008F14_IMG_DATA_FORMAT_24_8;
1315		case PIPE_FORMAT_S8_UINT:
1316			return V_008F14_IMG_DATA_FORMAT_8;
1317		case PIPE_FORMAT_Z32_FLOAT:
1318			return V_008F14_IMG_DATA_FORMAT_32;
1319		case PIPE_FORMAT_X32_S8X24_UINT:
1320		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1321			return V_008F14_IMG_DATA_FORMAT_X24_8_32;
1322		default:
1323			goto out_unknown;
1324		}
1325
1326	case UTIL_FORMAT_COLORSPACE_YUV:
1327		goto out_unknown; /* TODO */
1328
1329	case UTIL_FORMAT_COLORSPACE_SRGB:
1330		if (desc->nr_channels != 4 && desc->nr_channels != 1)
1331			goto out_unknown;
1332		break;
1333
1334	default:
1335		break;
1336	}
1337
1338	if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
1339		if (!enable_compressed_formats)
1340			goto out_unknown;
1341
1342		switch (format) {
1343		case PIPE_FORMAT_RGTC1_SNORM:
1344		case PIPE_FORMAT_LATC1_SNORM:
1345		case PIPE_FORMAT_RGTC1_UNORM:
1346		case PIPE_FORMAT_LATC1_UNORM:
1347			return V_008F14_IMG_DATA_FORMAT_BC4;
1348		case PIPE_FORMAT_RGTC2_SNORM:
1349		case PIPE_FORMAT_LATC2_SNORM:
1350		case PIPE_FORMAT_RGTC2_UNORM:
1351		case PIPE_FORMAT_LATC2_UNORM:
1352			return V_008F14_IMG_DATA_FORMAT_BC5;
1353		default:
1354			goto out_unknown;
1355		}
1356	}
1357
1358	if (desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
1359	    sscreen->b.family == CHIP_STONEY) {
1360		switch (format) {
1361		case PIPE_FORMAT_ETC1_RGB8:
1362		case PIPE_FORMAT_ETC2_RGB8:
1363		case PIPE_FORMAT_ETC2_SRGB8:
1364			return V_008F14_IMG_DATA_FORMAT_ETC2_RGB;
1365		case PIPE_FORMAT_ETC2_RGB8A1:
1366		case PIPE_FORMAT_ETC2_SRGB8A1:
1367			return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1;
1368		case PIPE_FORMAT_ETC2_RGBA8:
1369		case PIPE_FORMAT_ETC2_SRGBA8:
1370			return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA;
1371		case PIPE_FORMAT_ETC2_R11_UNORM:
1372		case PIPE_FORMAT_ETC2_R11_SNORM:
1373			return V_008F14_IMG_DATA_FORMAT_ETC2_R;
1374		case PIPE_FORMAT_ETC2_RG11_UNORM:
1375		case PIPE_FORMAT_ETC2_RG11_SNORM:
1376			return V_008F14_IMG_DATA_FORMAT_ETC2_RG;
1377		default:
1378			goto out_unknown;
1379		}
1380	}
1381
1382	if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
1383		if (!enable_compressed_formats)
1384			goto out_unknown;
1385
1386		switch (format) {
1387		case PIPE_FORMAT_BPTC_RGBA_UNORM:
1388		case PIPE_FORMAT_BPTC_SRGBA:
1389			return V_008F14_IMG_DATA_FORMAT_BC7;
1390		case PIPE_FORMAT_BPTC_RGB_FLOAT:
1391		case PIPE_FORMAT_BPTC_RGB_UFLOAT:
1392			return V_008F14_IMG_DATA_FORMAT_BC6;
1393		default:
1394			goto out_unknown;
1395		}
1396	}
1397
1398	if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
1399		switch (format) {
1400		case PIPE_FORMAT_R8G8_B8G8_UNORM:
1401		case PIPE_FORMAT_G8R8_B8R8_UNORM:
1402			return V_008F14_IMG_DATA_FORMAT_GB_GR;
1403		case PIPE_FORMAT_G8R8_G8B8_UNORM:
1404		case PIPE_FORMAT_R8G8_R8B8_UNORM:
1405			return V_008F14_IMG_DATA_FORMAT_BG_RG;
1406		default:
1407			goto out_unknown;
1408		}
1409	}
1410
1411	if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
1412		if (!enable_compressed_formats)
1413			goto out_unknown;
1414
1415		if (!util_format_s3tc_enabled) {
1416			goto out_unknown;
1417		}
1418
1419		switch (format) {
1420		case PIPE_FORMAT_DXT1_RGB:
1421		case PIPE_FORMAT_DXT1_RGBA:
1422		case PIPE_FORMAT_DXT1_SRGB:
1423		case PIPE_FORMAT_DXT1_SRGBA:
1424			return V_008F14_IMG_DATA_FORMAT_BC1;
1425		case PIPE_FORMAT_DXT3_RGBA:
1426		case PIPE_FORMAT_DXT3_SRGBA:
1427			return V_008F14_IMG_DATA_FORMAT_BC2;
1428		case PIPE_FORMAT_DXT5_RGBA:
1429		case PIPE_FORMAT_DXT5_SRGBA:
1430			return V_008F14_IMG_DATA_FORMAT_BC3;
1431		default:
1432			goto out_unknown;
1433		}
1434	}
1435
1436	if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
1437		return V_008F14_IMG_DATA_FORMAT_5_9_9_9;
1438	} else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
1439		return V_008F14_IMG_DATA_FORMAT_10_11_11;
1440	}
1441
1442	/* R8G8Bx_SNORM - TODO CxV8U8 */
1443
1444	/* hw cannot support mixed formats (except depth/stencil, since only
1445	 * depth is read).*/
1446	if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
1447		goto out_unknown;
1448
1449	/* See whether the components are of the same size. */
1450	for (i = 1; i < desc->nr_channels; i++) {
1451		uniform = uniform && desc->channel[0].size == desc->channel[i].size;
1452	}
1453
1454	/* Non-uniform formats. */
1455	if (!uniform) {
1456		switch(desc->nr_channels) {
1457		case 3:
1458			if (desc->channel[0].size == 5 &&
1459			    desc->channel[1].size == 6 &&
1460			    desc->channel[2].size == 5) {
1461				return V_008F14_IMG_DATA_FORMAT_5_6_5;
1462			}
1463			goto out_unknown;
1464		case 4:
1465			if (desc->channel[0].size == 5 &&
1466			    desc->channel[1].size == 5 &&
1467			    desc->channel[2].size == 5 &&
1468			    desc->channel[3].size == 1) {
1469				return V_008F14_IMG_DATA_FORMAT_1_5_5_5;
1470			}
1471			if (desc->channel[0].size == 10 &&
1472			    desc->channel[1].size == 10 &&
1473			    desc->channel[2].size == 10 &&
1474			    desc->channel[3].size == 2) {
1475				return V_008F14_IMG_DATA_FORMAT_2_10_10_10;
1476			}
1477			goto out_unknown;
1478		}
1479		goto out_unknown;
1480	}
1481
1482	if (first_non_void < 0 || first_non_void > 3)
1483		goto out_unknown;
1484
1485	/* uniform formats */
1486	switch (desc->channel[first_non_void].size) {
1487	case 4:
1488		switch (desc->nr_channels) {
1489#if 0 /* Not supported for render targets */
1490		case 2:
1491			return V_008F14_IMG_DATA_FORMAT_4_4;
1492#endif
1493		case 4:
1494			return V_008F14_IMG_DATA_FORMAT_4_4_4_4;
1495		}
1496		break;
1497	case 8:
1498		switch (desc->nr_channels) {
1499		case 1:
1500			return V_008F14_IMG_DATA_FORMAT_8;
1501		case 2:
1502			return V_008F14_IMG_DATA_FORMAT_8_8;
1503		case 4:
1504			return V_008F14_IMG_DATA_FORMAT_8_8_8_8;
1505		}
1506		break;
1507	case 16:
1508		switch (desc->nr_channels) {
1509		case 1:
1510			return V_008F14_IMG_DATA_FORMAT_16;
1511		case 2:
1512			return V_008F14_IMG_DATA_FORMAT_16_16;
1513		case 4:
1514			return V_008F14_IMG_DATA_FORMAT_16_16_16_16;
1515		}
1516		break;
1517	case 32:
1518		switch (desc->nr_channels) {
1519		case 1:
1520			return V_008F14_IMG_DATA_FORMAT_32;
1521		case 2:
1522			return V_008F14_IMG_DATA_FORMAT_32_32;
1523#if 0 /* Not supported for render targets */
1524		case 3:
1525			return V_008F14_IMG_DATA_FORMAT_32_32_32;
1526#endif
1527		case 4:
1528			return V_008F14_IMG_DATA_FORMAT_32_32_32_32;
1529		}
1530	}
1531
1532out_unknown:
1533	/* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
1534	return ~0;
1535}
1536
1537static unsigned si_tex_wrap(unsigned wrap)
1538{
1539	switch (wrap) {
1540	default:
1541	case PIPE_TEX_WRAP_REPEAT:
1542		return V_008F30_SQ_TEX_WRAP;
1543	case PIPE_TEX_WRAP_CLAMP:
1544		return V_008F30_SQ_TEX_CLAMP_HALF_BORDER;
1545	case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
1546		return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL;
1547	case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
1548		return V_008F30_SQ_TEX_CLAMP_BORDER;
1549	case PIPE_TEX_WRAP_MIRROR_REPEAT:
1550		return V_008F30_SQ_TEX_MIRROR;
1551	case PIPE_TEX_WRAP_MIRROR_CLAMP:
1552		return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER;
1553	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
1554		return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL;
1555	case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
1556		return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER;
1557	}
1558}
1559
1560static unsigned si_tex_mipfilter(unsigned filter)
1561{
1562	switch (filter) {
1563	case PIPE_TEX_MIPFILTER_NEAREST:
1564		return V_008F38_SQ_TEX_Z_FILTER_POINT;
1565	case PIPE_TEX_MIPFILTER_LINEAR:
1566		return V_008F38_SQ_TEX_Z_FILTER_LINEAR;
1567	default:
1568	case PIPE_TEX_MIPFILTER_NONE:
1569		return V_008F38_SQ_TEX_Z_FILTER_NONE;
1570	}
1571}
1572
1573static unsigned si_tex_compare(unsigned compare)
1574{
1575	switch (compare) {
1576	default:
1577	case PIPE_FUNC_NEVER:
1578		return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER;
1579	case PIPE_FUNC_LESS:
1580		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS;
1581	case PIPE_FUNC_EQUAL:
1582		return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL;
1583	case PIPE_FUNC_LEQUAL:
1584		return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL;
1585	case PIPE_FUNC_GREATER:
1586		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER;
1587	case PIPE_FUNC_NOTEQUAL:
1588		return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL;
1589	case PIPE_FUNC_GEQUAL:
1590		return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL;
1591	case PIPE_FUNC_ALWAYS:
1592		return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS;
1593	}
1594}
1595
1596static unsigned si_tex_dim(unsigned res_target, unsigned view_target,
1597			   unsigned nr_samples)
1598{
1599	if (view_target == PIPE_TEXTURE_CUBE ||
1600	    view_target == PIPE_TEXTURE_CUBE_ARRAY)
1601		res_target = view_target;
1602
1603	switch (res_target) {
1604	default:
1605	case PIPE_TEXTURE_1D:
1606		return V_008F1C_SQ_RSRC_IMG_1D;
1607	case PIPE_TEXTURE_1D_ARRAY:
1608		return V_008F1C_SQ_RSRC_IMG_1D_ARRAY;
1609	case PIPE_TEXTURE_2D:
1610	case PIPE_TEXTURE_RECT:
1611		return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA :
1612					V_008F1C_SQ_RSRC_IMG_2D;
1613	case PIPE_TEXTURE_2D_ARRAY:
1614		return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY :
1615					V_008F1C_SQ_RSRC_IMG_2D_ARRAY;
1616	case PIPE_TEXTURE_3D:
1617		return V_008F1C_SQ_RSRC_IMG_3D;
1618	case PIPE_TEXTURE_CUBE:
1619	case PIPE_TEXTURE_CUBE_ARRAY:
1620		return V_008F1C_SQ_RSRC_IMG_CUBE;
1621	}
1622}
1623
1624/*
1625 * Format support testing
1626 */
1627
1628static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
1629{
1630	return si_translate_texformat(screen, format, util_format_description(format),
1631				      util_format_get_first_non_void_channel(format)) != ~0U;
1632}
1633
1634static uint32_t si_translate_buffer_dataformat(struct pipe_screen *screen,
1635					       const struct util_format_description *desc,
1636					       int first_non_void)
1637{
1638	unsigned type;
1639	int i;
1640
1641	if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT)
1642		return V_008F0C_BUF_DATA_FORMAT_10_11_11;
1643
1644	assert(first_non_void >= 0);
1645	type = desc->channel[first_non_void].type;
1646
1647	if (type == UTIL_FORMAT_TYPE_FIXED)
1648		return V_008F0C_BUF_DATA_FORMAT_INVALID;
1649
1650	if (desc->nr_channels == 4 &&
1651	    desc->channel[0].size == 10 &&
1652	    desc->channel[1].size == 10 &&
1653	    desc->channel[2].size == 10 &&
1654	    desc->channel[3].size == 2)
1655		return V_008F0C_BUF_DATA_FORMAT_2_10_10_10;
1656
1657	/* See whether the components are of the same size. */
1658	for (i = 0; i < desc->nr_channels; i++) {
1659		if (desc->channel[first_non_void].size != desc->channel[i].size)
1660			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1661	}
1662
1663	switch (desc->channel[first_non_void].size) {
1664	case 8:
1665		switch (desc->nr_channels) {
1666		case 1:
1667			return V_008F0C_BUF_DATA_FORMAT_8;
1668		case 2:
1669			return V_008F0C_BUF_DATA_FORMAT_8_8;
1670		case 3:
1671		case 4:
1672			return V_008F0C_BUF_DATA_FORMAT_8_8_8_8;
1673		}
1674		break;
1675	case 16:
1676		switch (desc->nr_channels) {
1677		case 1:
1678			return V_008F0C_BUF_DATA_FORMAT_16;
1679		case 2:
1680			return V_008F0C_BUF_DATA_FORMAT_16_16;
1681		case 3:
1682		case 4:
1683			return V_008F0C_BUF_DATA_FORMAT_16_16_16_16;
1684		}
1685		break;
1686	case 32:
1687		/* From the Southern Islands ISA documentation about MTBUF:
1688		 * 'Memory reads of data in memory that is 32 or 64 bits do not
1689		 * undergo any format conversion.'
1690		 */
1691		if (type != UTIL_FORMAT_TYPE_FLOAT &&
1692		    !desc->channel[first_non_void].pure_integer)
1693			return V_008F0C_BUF_DATA_FORMAT_INVALID;
1694
1695		switch (desc->nr_channels) {
1696		case 1:
1697			return V_008F0C_BUF_DATA_FORMAT_32;
1698		case 2:
1699			return V_008F0C_BUF_DATA_FORMAT_32_32;
1700		case 3:
1701			return V_008F0C_BUF_DATA_FORMAT_32_32_32;
1702		case 4:
1703			return V_008F0C_BUF_DATA_FORMAT_32_32_32_32;
1704		}
1705		break;
1706	}
1707
1708	return V_008F0C_BUF_DATA_FORMAT_INVALID;
1709}
1710
1711static uint32_t si_translate_buffer_numformat(struct pipe_screen *screen,
1712					      const struct util_format_description *desc,
1713					      int first_non_void)
1714{
1715	if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT)
1716		return V_008F0C_BUF_NUM_FORMAT_FLOAT;
1717
1718	assert(first_non_void >= 0);
1719
1720	switch (desc->channel[first_non_void].type) {
1721	case UTIL_FORMAT_TYPE_SIGNED:
1722		if (desc->channel[first_non_void].normalized)
1723			return V_008F0C_BUF_NUM_FORMAT_SNORM;
1724		else if (desc->channel[first_non_void].pure_integer)
1725			return V_008F0C_BUF_NUM_FORMAT_SINT;
1726		else
1727			return V_008F0C_BUF_NUM_FORMAT_SSCALED;
1728		break;
1729	case UTIL_FORMAT_TYPE_UNSIGNED:
1730		if (desc->channel[first_non_void].normalized)
1731			return V_008F0C_BUF_NUM_FORMAT_UNORM;
1732		else if (desc->channel[first_non_void].pure_integer)
1733			return V_008F0C_BUF_NUM_FORMAT_UINT;
1734		else
1735			return V_008F0C_BUF_NUM_FORMAT_USCALED;
1736		break;
1737	case UTIL_FORMAT_TYPE_FLOAT:
1738	default:
1739		return V_008F0C_BUF_NUM_FORMAT_FLOAT;
1740	}
1741}
1742
1743static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format)
1744{
1745	const struct util_format_description *desc;
1746	int first_non_void;
1747	unsigned data_format;
1748
1749	desc = util_format_description(format);
1750	first_non_void = util_format_get_first_non_void_channel(format);
1751	data_format = si_translate_buffer_dataformat(screen, desc, first_non_void);
1752	return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID;
1753}
1754
1755static bool si_is_colorbuffer_format_supported(enum pipe_format format)
1756{
1757	return si_translate_colorformat(format) != V_028C70_COLOR_INVALID &&
1758		r600_translate_colorswap(format, false) != ~0U;
1759}
1760
1761static bool si_is_zs_format_supported(enum pipe_format format)
1762{
1763	return si_translate_dbformat(format) != V_028040_Z_INVALID;
1764}
1765
1766static boolean si_is_format_supported(struct pipe_screen *screen,
1767				      enum pipe_format format,
1768				      enum pipe_texture_target target,
1769				      unsigned sample_count,
1770				      unsigned usage)
1771{
1772	unsigned retval = 0;
1773
1774	if (target >= PIPE_MAX_TEXTURE_TYPES) {
1775		R600_ERR("r600: unsupported texture type %d\n", target);
1776		return false;
1777	}
1778
1779	if (!util_format_is_supported(format, usage))
1780		return false;
1781
1782	if (sample_count > 1) {
1783		if (!screen->get_param(screen, PIPE_CAP_TEXTURE_MULTISAMPLE))
1784			return false;
1785
1786		if (usage & PIPE_BIND_SHADER_IMAGE)
1787			return false;
1788
1789		switch (sample_count) {
1790		case 2:
1791		case 4:
1792		case 8:
1793			break;
1794		case 16:
1795			if (format == PIPE_FORMAT_NONE)
1796				return true;
1797			else
1798				return false;
1799		default:
1800			return false;
1801		}
1802	}
1803
1804	if (usage & (PIPE_BIND_SAMPLER_VIEW |
1805		     PIPE_BIND_SHADER_IMAGE)) {
1806		if (target == PIPE_BUFFER) {
1807			if (si_is_vertex_format_supported(screen, format))
1808				retval |= usage & (PIPE_BIND_SAMPLER_VIEW |
1809						   PIPE_BIND_SHADER_IMAGE);
1810		} else {
1811			if (si_is_sampler_format_supported(screen, format))
1812				retval |= usage & (PIPE_BIND_SAMPLER_VIEW |
1813						   PIPE_BIND_SHADER_IMAGE);
1814		}
1815	}
1816
1817	if ((usage & (PIPE_BIND_RENDER_TARGET |
1818		      PIPE_BIND_DISPLAY_TARGET |
1819		      PIPE_BIND_SCANOUT |
1820		      PIPE_BIND_SHARED |
1821		      PIPE_BIND_BLENDABLE)) &&
1822	    si_is_colorbuffer_format_supported(format)) {
1823		retval |= usage &
1824			  (PIPE_BIND_RENDER_TARGET |
1825			   PIPE_BIND_DISPLAY_TARGET |
1826			   PIPE_BIND_SCANOUT |
1827			   PIPE_BIND_SHARED);
1828		if (!util_format_is_pure_integer(format) &&
1829		    !util_format_is_depth_or_stencil(format))
1830			retval |= usage & PIPE_BIND_BLENDABLE;
1831	}
1832
1833	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
1834	    si_is_zs_format_supported(format)) {
1835		retval |= PIPE_BIND_DEPTH_STENCIL;
1836	}
1837
1838	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
1839	    si_is_vertex_format_supported(screen, format)) {
1840		retval |= PIPE_BIND_VERTEX_BUFFER;
1841	}
1842
1843	if (usage & PIPE_BIND_TRANSFER_READ)
1844		retval |= PIPE_BIND_TRANSFER_READ;
1845	if (usage & PIPE_BIND_TRANSFER_WRITE)
1846		retval |= PIPE_BIND_TRANSFER_WRITE;
1847
1848	if ((usage & PIPE_BIND_LINEAR) &&
1849	    !util_format_is_compressed(format) &&
1850	    !(usage & PIPE_BIND_DEPTH_STENCIL))
1851		retval |= PIPE_BIND_LINEAR;
1852
1853	return retval == usage;
1854}
1855
1856/*
1857 * framebuffer handling
1858 */
1859
1860static void si_choose_spi_color_formats(struct r600_surface *surf,
1861					unsigned format, unsigned swap,
1862					unsigned ntype, bool is_depth)
1863{
1864	/* Alpha is needed for alpha-to-coverage.
1865	 * Blending may be with or without alpha.
1866	 */
1867	unsigned normal = 0; /* most optimal, may not support blending or export alpha */
1868	unsigned alpha = 0; /* exports alpha, but may not support blending */
1869	unsigned blend = 0; /* supports blending, but may not export alpha */
1870	unsigned blend_alpha = 0; /* least optimal, supports blending and exports alpha */
1871
1872	/* Choose the SPI color formats. These are required values for Stoney/RB+.
1873	 * Other chips have multiple choices, though they are not necessarily better.
1874	 */
1875	switch (format) {
1876	case V_028C70_COLOR_5_6_5:
1877	case V_028C70_COLOR_1_5_5_5:
1878	case V_028C70_COLOR_5_5_5_1:
1879	case V_028C70_COLOR_4_4_4_4:
1880	case V_028C70_COLOR_10_11_11:
1881	case V_028C70_COLOR_11_11_10:
1882	case V_028C70_COLOR_8:
1883	case V_028C70_COLOR_8_8:
1884	case V_028C70_COLOR_8_8_8_8:
1885	case V_028C70_COLOR_10_10_10_2:
1886	case V_028C70_COLOR_2_10_10_10:
1887		if (ntype == V_028C70_NUMBER_UINT)
1888			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR;
1889		else if (ntype == V_028C70_NUMBER_SINT)
1890			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR;
1891		else
1892			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR;
1893		break;
1894
1895	case V_028C70_COLOR_16:
1896	case V_028C70_COLOR_16_16:
1897	case V_028C70_COLOR_16_16_16_16:
1898		if (ntype == V_028C70_NUMBER_UNORM ||
1899		    ntype == V_028C70_NUMBER_SNORM) {
1900			/* UNORM16 and SNORM16 don't support blending */
1901			if (ntype == V_028C70_NUMBER_UNORM)
1902				normal = alpha = V_028714_SPI_SHADER_UNORM16_ABGR;
1903			else
1904				normal = alpha = V_028714_SPI_SHADER_SNORM16_ABGR;
1905
1906			/* Use 32 bits per channel for blending. */
1907			if (format == V_028C70_COLOR_16) {
1908				if (swap == V_028C70_SWAP_STD) { /* R */
1909					blend = V_028714_SPI_SHADER_32_R;
1910					blend_alpha = V_028714_SPI_SHADER_32_AR;
1911				} else if (swap == V_028C70_SWAP_ALT_REV) /* A */
1912					blend = blend_alpha = V_028714_SPI_SHADER_32_AR;
1913				else
1914					assert(0);
1915			} else if (format == V_028C70_COLOR_16_16) {
1916				if (swap == V_028C70_SWAP_STD) { /* RG */
1917					blend = V_028714_SPI_SHADER_32_GR;
1918					blend_alpha = V_028714_SPI_SHADER_32_ABGR;
1919				} else if (swap == V_028C70_SWAP_ALT) /* RA */
1920					blend = blend_alpha = V_028714_SPI_SHADER_32_AR;
1921				else
1922					assert(0);
1923			} else /* 16_16_16_16 */
1924				blend = blend_alpha = V_028714_SPI_SHADER_32_ABGR;
1925		} else if (ntype == V_028C70_NUMBER_UINT)
1926			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR;
1927		else if (ntype == V_028C70_NUMBER_SINT)
1928			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR;
1929		else if (ntype == V_028C70_NUMBER_FLOAT)
1930			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR;
1931		else
1932			assert(0);
1933		break;
1934
1935	case V_028C70_COLOR_32:
1936		if (swap == V_028C70_SWAP_STD) { /* R */
1937			blend = normal = V_028714_SPI_SHADER_32_R;
1938			alpha = blend_alpha = V_028714_SPI_SHADER_32_AR;
1939		} else if (swap == V_028C70_SWAP_ALT_REV) /* A */
1940			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR;
1941		else
1942			assert(0);
1943		break;
1944
1945	case V_028C70_COLOR_32_32:
1946		if (swap == V_028C70_SWAP_STD) { /* RG */
1947			blend = normal = V_028714_SPI_SHADER_32_GR;
1948			alpha = blend_alpha = V_028714_SPI_SHADER_32_ABGR;
1949		} else if (swap == V_028C70_SWAP_ALT) /* RA */
1950			alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR;
1951		else
1952			assert(0);
1953		break;
1954
1955	case V_028C70_COLOR_32_32_32_32:
1956	case V_028C70_COLOR_8_24:
1957	case V_028C70_COLOR_24_8:
1958	case V_028C70_COLOR_X24_8_32_FLOAT:
1959		alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR;
1960		break;
1961
1962	default:
1963		assert(0);
1964		return;
1965	}
1966
1967	/* The DB->CB copy needs 32_ABGR. */
1968	if (is_depth)
1969		alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR;
1970
1971	surf->spi_shader_col_format = normal;
1972	surf->spi_shader_col_format_alpha = alpha;
1973	surf->spi_shader_col_format_blend = blend;
1974	surf->spi_shader_col_format_blend_alpha = blend_alpha;
1975}
1976
1977static void si_initialize_color_surface(struct si_context *sctx,
1978					struct r600_surface *surf)
1979{
1980	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
1981	unsigned color_info, color_attrib, color_view;
1982	unsigned format, swap, ntype, endian;
1983	const struct util_format_description *desc;
1984	int i;
1985	unsigned blend_clamp = 0, blend_bypass = 0;
1986
1987	color_view = S_028C6C_SLICE_START(surf->base.u.tex.first_layer) |
1988		     S_028C6C_SLICE_MAX(surf->base.u.tex.last_layer);
1989
1990	desc = util_format_description(surf->base.format);
1991	for (i = 0; i < 4; i++) {
1992		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
1993			break;
1994		}
1995	}
1996	if (i == 4 || desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
1997		ntype = V_028C70_NUMBER_FLOAT;
1998	} else {
1999		ntype = V_028C70_NUMBER_UNORM;
2000		if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
2001			ntype = V_028C70_NUMBER_SRGB;
2002		else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
2003			if (desc->channel[i].pure_integer) {
2004				ntype = V_028C70_NUMBER_SINT;
2005			} else {
2006				assert(desc->channel[i].normalized);
2007				ntype = V_028C70_NUMBER_SNORM;
2008			}
2009		} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
2010			if (desc->channel[i].pure_integer) {
2011				ntype = V_028C70_NUMBER_UINT;
2012			} else {
2013				assert(desc->channel[i].normalized);
2014				ntype = V_028C70_NUMBER_UNORM;
2015			}
2016		}
2017	}
2018
2019	format = si_translate_colorformat(surf->base.format);
2020	if (format == V_028C70_COLOR_INVALID) {
2021		R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format);
2022	}
2023	assert(format != V_028C70_COLOR_INVALID);
2024	swap = r600_translate_colorswap(surf->base.format, false);
2025	endian = si_colorformat_endian_swap(format);
2026
2027	/* blend clamp should be set for all NORM/SRGB types */
2028	if (ntype == V_028C70_NUMBER_UNORM ||
2029	    ntype == V_028C70_NUMBER_SNORM ||
2030	    ntype == V_028C70_NUMBER_SRGB)
2031		blend_clamp = 1;
2032
2033	/* set blend bypass according to docs if SINT/UINT or
2034	   8/24 COLOR variants */
2035	if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT ||
2036	    format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 ||
2037	    format == V_028C70_COLOR_X24_8_32_FLOAT) {
2038		blend_clamp = 0;
2039		blend_bypass = 1;
2040	}
2041
2042	if ((ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT) &&
2043	    (format == V_028C70_COLOR_8 ||
2044	     format == V_028C70_COLOR_8_8 ||
2045	     format == V_028C70_COLOR_8_8_8_8))
2046		surf->color_is_int8 = true;
2047
2048	color_info = S_028C70_FORMAT(format) |
2049		S_028C70_COMP_SWAP(swap) |
2050		S_028C70_BLEND_CLAMP(blend_clamp) |
2051		S_028C70_BLEND_BYPASS(blend_bypass) |
2052		S_028C70_NUMBER_TYPE(ntype) |
2053		S_028C70_ENDIAN(endian);
2054
2055	/* Intensity is implemented as Red, so treat it that way. */
2056	color_attrib = S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == PIPE_SWIZZLE_1 ||
2057						  util_format_is_intensity(surf->base.format));
2058
2059	if (rtex->resource.b.b.nr_samples > 1) {
2060		unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples);
2061
2062		color_attrib |= S_028C74_NUM_SAMPLES(log_samples) |
2063				S_028C74_NUM_FRAGMENTS(log_samples);
2064
2065		if (rtex->fmask.size) {
2066			color_info |= S_028C70_COMPRESSION(1);
2067			unsigned fmask_bankh = util_logbase2(rtex->fmask.bank_height);
2068
2069			if (sctx->b.chip_class == SI) {
2070				/* due to a hw bug, FMASK_BANK_HEIGHT must be set on SI too */
2071				color_attrib |= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh);
2072			}
2073		}
2074	}
2075
2076	surf->cb_color_view = color_view;
2077	surf->cb_color_info = color_info;
2078	surf->cb_color_attrib = color_attrib;
2079
2080	if (sctx->b.chip_class >= VI) {
2081		unsigned max_uncompressed_block_size = 2;
2082
2083		if (rtex->surface.nsamples > 1) {
2084			if (rtex->surface.bpe == 1)
2085				max_uncompressed_block_size = 0;
2086			else if (rtex->surface.bpe == 2)
2087				max_uncompressed_block_size = 1;
2088		}
2089
2090		surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) |
2091		                       S_028C78_INDEPENDENT_64B_BLOCKS(1);
2092	}
2093
2094	/* This must be set for fast clear to work without FMASK. */
2095	if (!rtex->fmask.size && sctx->b.chip_class == SI) {
2096		unsigned bankh = util_logbase2(rtex->surface.bankh);
2097		surf->cb_color_attrib |= S_028C74_FMASK_BANK_HEIGHT(bankh);
2098	}
2099
2100	/* Determine pixel shader export format */
2101	si_choose_spi_color_formats(surf, format, swap, ntype, rtex->is_depth);
2102
2103	surf->color_initialized = true;
2104}
2105
2106static void si_init_depth_surface(struct si_context *sctx,
2107				  struct r600_surface *surf)
2108{
2109	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
2110	unsigned level = surf->base.u.tex.level;
2111	struct radeon_surf_level *levelinfo = &rtex->surface.level[level];
2112	unsigned format;
2113	uint32_t z_info, s_info, db_depth_info;
2114	uint64_t z_offs, s_offs;
2115	uint32_t db_htile_data_base, db_htile_surface;
2116
2117	format = si_translate_dbformat(rtex->resource.b.b.format);
2118
2119	if (format == V_028040_Z_INVALID) {
2120		R600_ERR("Invalid DB format: %d, disabling DB.\n", rtex->resource.b.b.format);
2121	}
2122	assert(format != V_028040_Z_INVALID);
2123
2124	s_offs = z_offs = rtex->resource.gpu_address;
2125	z_offs += rtex->surface.level[level].offset;
2126	s_offs += rtex->surface.stencil_level[level].offset;
2127
2128	db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(1);
2129
2130	z_info = S_028040_FORMAT(format);
2131	if (rtex->resource.b.b.nr_samples > 1) {
2132		z_info |= S_028040_NUM_SAMPLES(util_logbase2(rtex->resource.b.b.nr_samples));
2133	}
2134
2135	if (rtex->surface.flags & RADEON_SURF_SBUFFER)
2136		s_info = S_028044_FORMAT(V_028044_STENCIL_8);
2137	else
2138		s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID);
2139
2140	if (sctx->b.chip_class >= CIK) {
2141		struct radeon_info *info = &sctx->screen->b.info;
2142		unsigned index = rtex->surface.tiling_index[level];
2143		unsigned stencil_index = rtex->surface.stencil_tiling_index[level];
2144		unsigned macro_index = rtex->surface.macro_tile_index;
2145		unsigned tile_mode = info->si_tile_mode_array[index];
2146		unsigned stencil_tile_mode = info->si_tile_mode_array[stencil_index];
2147		unsigned macro_mode = info->cik_macrotile_mode_array[macro_index];
2148
2149		db_depth_info |=
2150			S_02803C_ARRAY_MODE(G_009910_ARRAY_MODE(tile_mode)) |
2151			S_02803C_PIPE_CONFIG(G_009910_PIPE_CONFIG(tile_mode)) |
2152			S_02803C_BANK_WIDTH(G_009990_BANK_WIDTH(macro_mode)) |
2153			S_02803C_BANK_HEIGHT(G_009990_BANK_HEIGHT(macro_mode)) |
2154			S_02803C_MACRO_TILE_ASPECT(G_009990_MACRO_TILE_ASPECT(macro_mode)) |
2155			S_02803C_NUM_BANKS(G_009990_NUM_BANKS(macro_mode));
2156		z_info |= S_028040_TILE_SPLIT(G_009910_TILE_SPLIT(tile_mode));
2157		s_info |= S_028044_TILE_SPLIT(G_009910_TILE_SPLIT(stencil_tile_mode));
2158	} else {
2159		unsigned tile_mode_index = si_tile_mode_index(rtex, level, false);
2160		z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index);
2161		tile_mode_index = si_tile_mode_index(rtex, level, true);
2162		s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index);
2163	}
2164
2165	/* HiZ aka depth buffer htile */
2166	/* use htile only for first level */
2167	if (rtex->htile_buffer && !level) {
2168		z_info |= S_028040_TILE_SURFACE_ENABLE(1) |
2169			  S_028040_ALLOW_EXPCLEAR(1);
2170
2171		if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
2172			/* Workaround: For a not yet understood reason, the
2173			 * combination of MSAA, fast stencil clear and stencil
2174			 * decompress messes with subsequent stencil buffer
2175			 * uses. Problem was reproduced on Verde, Bonaire,
2176			 * Tonga, and Carrizo.
2177			 *
2178			 * Disabling EXPCLEAR works around the problem.
2179			 *
2180			 * Check piglit's arb_texture_multisample-stencil-clear
2181			 * test if you want to try changing this.
2182			 */
2183			if (rtex->resource.b.b.nr_samples <= 1)
2184				s_info |= S_028044_ALLOW_EXPCLEAR(1);
2185		} else
2186			/* Use all of the htile_buffer for depth if there's no stencil. */
2187			s_info |= S_028044_TILE_STENCIL_DISABLE(1);
2188
2189		uint64_t va = rtex->htile_buffer->gpu_address;
2190		db_htile_data_base = va >> 8;
2191		db_htile_surface = S_028ABC_FULL_CACHE(1);
2192	} else {
2193		db_htile_data_base = 0;
2194		db_htile_surface = 0;
2195	}
2196
2197	assert(levelinfo->nblk_x % 8 == 0 && levelinfo->nblk_y % 8 == 0);
2198
2199	surf->db_depth_view = S_028008_SLICE_START(surf->base.u.tex.first_layer) |
2200			      S_028008_SLICE_MAX(surf->base.u.tex.last_layer);
2201	surf->db_htile_data_base = db_htile_data_base;
2202	surf->db_depth_info = db_depth_info;
2203	surf->db_z_info = z_info;
2204	surf->db_stencil_info = s_info;
2205	surf->db_depth_base = z_offs >> 8;
2206	surf->db_stencil_base = s_offs >> 8;
2207	surf->db_depth_size = S_028058_PITCH_TILE_MAX((levelinfo->nblk_x / 8) - 1) |
2208			      S_028058_HEIGHT_TILE_MAX((levelinfo->nblk_y / 8) - 1);
2209	surf->db_depth_slice = S_02805C_SLICE_TILE_MAX((levelinfo->nblk_x *
2210							levelinfo->nblk_y) / 64 - 1);
2211	surf->db_htile_surface = db_htile_surface;
2212
2213	surf->depth_initialized = true;
2214}
2215
2216static void si_dec_framebuffer_counters(const struct pipe_framebuffer_state *state)
2217{
2218	for (int i = 0; i < state->nr_cbufs; ++i) {
2219		struct r600_surface *surf = NULL;
2220		struct r600_texture *rtex;
2221
2222		if (!state->cbufs[i])
2223			continue;
2224		surf = (struct r600_surface*)state->cbufs[i];
2225		rtex = (struct r600_texture*)surf->base.texture;
2226
2227		p_atomic_dec(&rtex->framebuffers_bound);
2228	}
2229}
2230
2231static void si_set_framebuffer_state(struct pipe_context *ctx,
2232				     const struct pipe_framebuffer_state *state)
2233{
2234	struct si_context *sctx = (struct si_context *)ctx;
2235	struct pipe_constant_buffer constbuf = {0};
2236	struct r600_surface *surf = NULL;
2237	struct r600_texture *rtex;
2238	bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer;
2239	bool old_any_dst_linear = sctx->framebuffer.any_dst_linear;
2240	unsigned old_nr_samples = sctx->framebuffer.nr_samples;
2241	int i;
2242
2243	for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) {
2244		if (!sctx->framebuffer.state.cbufs[i])
2245			continue;
2246
2247		rtex = (struct r600_texture*)sctx->framebuffer.state.cbufs[i]->texture;
2248		if (rtex->dcc_gather_statistics)
2249			vi_separate_dcc_stop_query(ctx, rtex);
2250	}
2251
2252	/* Only flush TC when changing the framebuffer state, because
2253	 * the only client not using TC that can change textures is
2254	 * the framebuffer.
2255	 *
2256	 * Flush all CB and DB caches here because all buffers can be used
2257	 * for write by both TC (with shader image stores) and CB/DB.
2258	 */
2259	sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 |
2260			 SI_CONTEXT_INV_GLOBAL_L2 |
2261			 SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER |
2262			 SI_CONTEXT_CS_PARTIAL_FLUSH;
2263
2264	/* Take the maximum of the old and new count. If the new count is lower,
2265	 * dirtying is needed to disable the unbound colorbuffers.
2266	 */
2267	sctx->framebuffer.dirty_cbufs |=
2268		(1 << MAX2(sctx->framebuffer.state.nr_cbufs, state->nr_cbufs)) - 1;
2269	sctx->framebuffer.dirty_zsbuf |= sctx->framebuffer.state.zsbuf != state->zsbuf;
2270
2271	si_dec_framebuffer_counters(&sctx->framebuffer.state);
2272	util_copy_framebuffer_state(&sctx->framebuffer.state, state);
2273
2274	sctx->framebuffer.spi_shader_col_format = 0;
2275	sctx->framebuffer.spi_shader_col_format_alpha = 0;
2276	sctx->framebuffer.spi_shader_col_format_blend = 0;
2277	sctx->framebuffer.spi_shader_col_format_blend_alpha = 0;
2278	sctx->framebuffer.color_is_int8 = 0;
2279
2280	sctx->framebuffer.compressed_cb_mask = 0;
2281	sctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state);
2282	sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples);
2283	sctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
2284				  util_format_is_pure_integer(state->cbufs[0]->format);
2285	sctx->framebuffer.any_dst_linear = false;
2286
2287	if (sctx->framebuffer.cb0_is_integer != old_cb0_is_integer)
2288		si_mark_atom_dirty(sctx, &sctx->db_render_state);
2289
2290	for (i = 0; i < state->nr_cbufs; i++) {
2291		if (!state->cbufs[i])
2292			continue;
2293
2294		surf = (struct r600_surface*)state->cbufs[i];
2295		rtex = (struct r600_texture*)surf->base.texture;
2296
2297		if (!surf->color_initialized) {
2298			si_initialize_color_surface(sctx, surf);
2299		}
2300
2301		sctx->framebuffer.spi_shader_col_format |=
2302			surf->spi_shader_col_format << (i * 4);
2303		sctx->framebuffer.spi_shader_col_format_alpha |=
2304			surf->spi_shader_col_format_alpha << (i * 4);
2305		sctx->framebuffer.spi_shader_col_format_blend |=
2306			surf->spi_shader_col_format_blend << (i * 4);
2307		sctx->framebuffer.spi_shader_col_format_blend_alpha |=
2308			surf->spi_shader_col_format_blend_alpha << (i * 4);
2309
2310		if (surf->color_is_int8)
2311			sctx->framebuffer.color_is_int8 |= 1 << i;
2312
2313		if (rtex->fmask.size && rtex->cmask.size) {
2314			sctx->framebuffer.compressed_cb_mask |= 1 << i;
2315		}
2316
2317		if (surf->level_info->mode == RADEON_SURF_MODE_LINEAR_ALIGNED)
2318			sctx->framebuffer.any_dst_linear = true;
2319
2320		r600_context_add_resource_size(ctx, surf->base.texture);
2321
2322		p_atomic_inc(&rtex->framebuffers_bound);
2323
2324		if (rtex->dcc_gather_statistics) {
2325			/* Dirty tracking must be enabled for DCC usage analysis. */
2326			sctx->framebuffer.compressed_cb_mask |= 1 << i;
2327			vi_separate_dcc_start_query(ctx, rtex);
2328		}
2329	}
2330	/* Set the second SPI format for possible dual-src blending. */
2331	if (i == 1 && surf) {
2332		sctx->framebuffer.spi_shader_col_format |=
2333			surf->spi_shader_col_format << (i * 4);
2334		sctx->framebuffer.spi_shader_col_format_alpha |=
2335			surf->spi_shader_col_format_alpha << (i * 4);
2336		sctx->framebuffer.spi_shader_col_format_blend |=
2337			surf->spi_shader_col_format_blend << (i * 4);
2338		sctx->framebuffer.spi_shader_col_format_blend_alpha |=
2339			surf->spi_shader_col_format_blend_alpha << (i * 4);
2340	}
2341
2342	if (state->zsbuf) {
2343		surf = (struct r600_surface*)state->zsbuf;
2344
2345		if (!surf->depth_initialized) {
2346			si_init_depth_surface(sctx, surf);
2347		}
2348		r600_context_add_resource_size(ctx, surf->base.texture);
2349	}
2350
2351	si_update_poly_offset_state(sctx);
2352	si_mark_atom_dirty(sctx, &sctx->cb_render_state);
2353	si_mark_atom_dirty(sctx, &sctx->framebuffer.atom);
2354
2355	if (sctx->framebuffer.any_dst_linear != old_any_dst_linear)
2356		si_mark_atom_dirty(sctx, &sctx->msaa_config);
2357
2358	if (sctx->framebuffer.nr_samples != old_nr_samples) {
2359		si_mark_atom_dirty(sctx, &sctx->msaa_config);
2360		si_mark_atom_dirty(sctx, &sctx->db_render_state);
2361
2362		/* Set sample locations as fragment shader constants. */
2363		switch (sctx->framebuffer.nr_samples) {
2364		case 1:
2365			constbuf.user_buffer = sctx->b.sample_locations_1x;
2366			break;
2367		case 2:
2368			constbuf.user_buffer = sctx->b.sample_locations_2x;
2369			break;
2370		case 4:
2371			constbuf.user_buffer = sctx->b.sample_locations_4x;
2372			break;
2373		case 8:
2374			constbuf.user_buffer = sctx->b.sample_locations_8x;
2375			break;
2376		case 16:
2377			constbuf.user_buffer = sctx->b.sample_locations_16x;
2378			break;
2379		default:
2380			R600_ERR("Requested an invalid number of samples %i.\n",
2381				 sctx->framebuffer.nr_samples);
2382			assert(0);
2383		}
2384		constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4;
2385		si_set_rw_buffer(sctx, SI_PS_CONST_SAMPLE_POSITIONS, &constbuf);
2386
2387		si_mark_atom_dirty(sctx, &sctx->msaa_sample_locs.atom);
2388	}
2389
2390	sctx->need_check_render_feedback = true;
2391}
2392
2393static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom)
2394{
2395	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
2396	struct pipe_framebuffer_state *state = &sctx->framebuffer.state;
2397	unsigned i, nr_cbufs = state->nr_cbufs;
2398	struct r600_texture *tex = NULL;
2399	struct r600_surface *cb = NULL;
2400	unsigned cb_color_info = 0;
2401
2402	/* Colorbuffers. */
2403	for (i = 0; i < nr_cbufs; i++) {
2404		unsigned pitch_tile_max, slice_tile_max, tile_mode_index;
2405		unsigned cb_color_base, cb_color_fmask, cb_color_attrib;
2406		unsigned cb_color_pitch, cb_color_slice, cb_color_fmask_slice;
2407
2408		if (!(sctx->framebuffer.dirty_cbufs & (1 << i)))
2409			continue;
2410
2411		cb = (struct r600_surface*)state->cbufs[i];
2412		if (!cb) {
2413			radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C,
2414					       S_028C70_FORMAT(V_028C70_COLOR_INVALID));
2415			continue;
2416		}
2417
2418		tex = (struct r600_texture *)cb->base.texture;
2419		radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
2420				      &tex->resource, RADEON_USAGE_READWRITE,
2421				      tex->surface.nsamples > 1 ?
2422					      RADEON_PRIO_COLOR_BUFFER_MSAA :
2423					      RADEON_PRIO_COLOR_BUFFER);
2424
2425		if (tex->cmask_buffer && tex->cmask_buffer != &tex->resource) {
2426			radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
2427				tex->cmask_buffer, RADEON_USAGE_READWRITE,
2428				RADEON_PRIO_CMASK);
2429		}
2430
2431		if (tex->dcc_separate_buffer)
2432			radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
2433						  tex->dcc_separate_buffer,
2434						  RADEON_USAGE_READWRITE,
2435						  RADEON_PRIO_DCC);
2436
2437		/* Compute mutable surface parameters. */
2438		pitch_tile_max = cb->level_info->nblk_x / 8 - 1;
2439		slice_tile_max = cb->level_info->nblk_x *
2440				 cb->level_info->nblk_y / 64 - 1;
2441		tile_mode_index = si_tile_mode_index(tex, cb->base.u.tex.level, false);
2442
2443		cb_color_base = (tex->resource.gpu_address + cb->level_info->offset) >> 8;
2444		cb_color_pitch = S_028C64_TILE_MAX(pitch_tile_max);
2445		cb_color_slice = S_028C68_TILE_MAX(slice_tile_max);
2446		cb_color_attrib = cb->cb_color_attrib |
2447				  S_028C74_TILE_MODE_INDEX(tile_mode_index);
2448
2449		if (tex->fmask.size) {
2450			if (sctx->b.chip_class >= CIK)
2451				cb_color_pitch |= S_028C64_FMASK_TILE_MAX(tex->fmask.pitch_in_pixels / 8 - 1);
2452			cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tex->fmask.tile_mode_index);
2453			cb_color_fmask = (tex->resource.gpu_address + tex->fmask.offset) >> 8;
2454			cb_color_fmask_slice = S_028C88_TILE_MAX(tex->fmask.slice_tile_max);
2455		} else {
2456			/* This must be set for fast clear to work without FMASK. */
2457			if (sctx->b.chip_class >= CIK)
2458				cb_color_pitch |= S_028C64_FMASK_TILE_MAX(pitch_tile_max);
2459			cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tile_mode_index);
2460			cb_color_fmask = cb_color_base;
2461			cb_color_fmask_slice = S_028C88_TILE_MAX(slice_tile_max);
2462		}
2463
2464		cb_color_info = cb->cb_color_info | tex->cb_color_info;
2465
2466		if (tex->dcc_offset && cb->level_info->dcc_enabled) {
2467			bool is_msaa_resolve_dst = state->cbufs[0] &&
2468						   state->cbufs[0]->texture->nr_samples > 1 &&
2469						   state->cbufs[1] == &cb->base &&
2470						   state->cbufs[1]->texture->nr_samples <= 1;
2471
2472			if (!is_msaa_resolve_dst)
2473				cb_color_info |= S_028C70_DCC_ENABLE(1);
2474		}
2475
2476		radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C,
2477					   sctx->b.chip_class >= VI ? 14 : 13);
2478		radeon_emit(cs, cb_color_base);		/* R_028C60_CB_COLOR0_BASE */
2479		radeon_emit(cs, cb_color_pitch);	/* R_028C64_CB_COLOR0_PITCH */
2480		radeon_emit(cs, cb_color_slice);	/* R_028C68_CB_COLOR0_SLICE */
2481		radeon_emit(cs, cb->cb_color_view);	/* R_028C6C_CB_COLOR0_VIEW */
2482		radeon_emit(cs, cb_color_info);		/* R_028C70_CB_COLOR0_INFO */
2483		radeon_emit(cs, cb_color_attrib);	/* R_028C74_CB_COLOR0_ATTRIB */
2484		radeon_emit(cs, cb->cb_dcc_control);	/* R_028C78_CB_COLOR0_DCC_CONTROL */
2485		radeon_emit(cs, tex->cmask.base_address_reg);	/* R_028C7C_CB_COLOR0_CMASK */
2486		radeon_emit(cs, tex->cmask.slice_tile_max);	/* R_028C80_CB_COLOR0_CMASK_SLICE */
2487		radeon_emit(cs, cb_color_fmask);		/* R_028C84_CB_COLOR0_FMASK */
2488		radeon_emit(cs, cb_color_fmask_slice);		/* R_028C88_CB_COLOR0_FMASK_SLICE */
2489		radeon_emit(cs, tex->color_clear_value[0]);	/* R_028C8C_CB_COLOR0_CLEAR_WORD0 */
2490		radeon_emit(cs, tex->color_clear_value[1]);	/* R_028C90_CB_COLOR0_CLEAR_WORD1 */
2491
2492		if (sctx->b.chip_class >= VI) /* R_028C94_CB_COLOR0_DCC_BASE */
2493			radeon_emit(cs, ((!tex->dcc_separate_buffer ? tex->resource.gpu_address : 0) +
2494					 tex->dcc_offset +
2495				         tex->surface.level[cb->base.u.tex.level].dcc_offset) >> 8);
2496	}
2497	/* set CB_COLOR1_INFO for possible dual-src blending */
2498	if (i == 1 && state->cbufs[0] &&
2499	    sctx->framebuffer.dirty_cbufs & (1 << 0)) {
2500		radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + 1 * 0x3C,
2501				       cb_color_info);
2502		i++;
2503	}
2504	for (; i < 8 ; i++)
2505		if (sctx->framebuffer.dirty_cbufs & (1 << i))
2506			radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 0);
2507
2508	/* ZS buffer. */
2509	if (state->zsbuf && sctx->framebuffer.dirty_zsbuf) {
2510		struct r600_surface *zb = (struct r600_surface*)state->zsbuf;
2511		struct r600_texture *rtex = (struct r600_texture*)zb->base.texture;
2512
2513		radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
2514				      &rtex->resource, RADEON_USAGE_READWRITE,
2515				      zb->base.texture->nr_samples > 1 ?
2516					      RADEON_PRIO_DEPTH_BUFFER_MSAA :
2517					      RADEON_PRIO_DEPTH_BUFFER);
2518
2519		if (zb->db_htile_data_base) {
2520			radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
2521					      rtex->htile_buffer, RADEON_USAGE_READWRITE,
2522					      RADEON_PRIO_HTILE);
2523		}
2524
2525		radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view);
2526		radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, zb->db_htile_data_base);
2527
2528		radeon_set_context_reg_seq(cs, R_02803C_DB_DEPTH_INFO, 9);
2529		radeon_emit(cs, zb->db_depth_info);	/* R_02803C_DB_DEPTH_INFO */
2530		radeon_emit(cs, zb->db_z_info |		/* R_028040_DB_Z_INFO */
2531			    S_028040_ZRANGE_PRECISION(rtex->depth_clear_value != 0));
2532		radeon_emit(cs, zb->db_stencil_info);	/* R_028044_DB_STENCIL_INFO */
2533		radeon_emit(cs, zb->db_depth_base);	/* R_028048_DB_Z_READ_BASE */
2534		radeon_emit(cs, zb->db_stencil_base);	/* R_02804C_DB_STENCIL_READ_BASE */
2535		radeon_emit(cs, zb->db_depth_base);	/* R_028050_DB_Z_WRITE_BASE */
2536		radeon_emit(cs, zb->db_stencil_base);	/* R_028054_DB_STENCIL_WRITE_BASE */
2537		radeon_emit(cs, zb->db_depth_size);	/* R_028058_DB_DEPTH_SIZE */
2538		radeon_emit(cs, zb->db_depth_slice);	/* R_02805C_DB_DEPTH_SLICE */
2539
2540		radeon_set_context_reg_seq(cs, R_028028_DB_STENCIL_CLEAR, 2);
2541		radeon_emit(cs, rtex->stencil_clear_value); /* R_028028_DB_STENCIL_CLEAR */
2542		radeon_emit(cs, fui(rtex->depth_clear_value)); /* R_02802C_DB_DEPTH_CLEAR */
2543
2544		radeon_set_context_reg(cs, R_028ABC_DB_HTILE_SURFACE, zb->db_htile_surface);
2545	} else if (sctx->framebuffer.dirty_zsbuf) {
2546		radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2);
2547		radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /* R_028040_DB_Z_INFO */
2548		radeon_emit(cs, S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_DB_STENCIL_INFO */
2549	}
2550
2551	/* Framebuffer dimensions. */
2552        /* PA_SC_WINDOW_SCISSOR_TL is set in si_init_config() */
2553	radeon_set_context_reg(cs, R_028208_PA_SC_WINDOW_SCISSOR_BR,
2554			       S_028208_BR_X(state->width) | S_028208_BR_Y(state->height));
2555
2556	sctx->framebuffer.dirty_cbufs = 0;
2557	sctx->framebuffer.dirty_zsbuf = false;
2558}
2559
2560static void si_emit_msaa_sample_locs(struct si_context *sctx,
2561				     struct r600_atom *atom)
2562{
2563	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
2564	unsigned nr_samples = sctx->framebuffer.nr_samples;
2565
2566	/* Smoothing (only possible with nr_samples == 1) uses the same
2567	 * sample locations as the MSAA it simulates.
2568	 */
2569	if (nr_samples <= 1 && sctx->smoothing_enabled)
2570		nr_samples = SI_NUM_SMOOTH_AA_SAMPLES;
2571
2572	/* The small primitive filter on Polaris requires explicitly setting
2573	 * sample locations to 0 when MSAA is disabled.
2574	 */
2575	if (sctx->b.family >= CHIP_POLARIS10) {
2576		struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
2577
2578		if (!sctx->smoothing_enabled &&
2579		    rs && !rs->multisample_enable)
2580			nr_samples = 1;
2581	}
2582
2583	if ((nr_samples > 1 || sctx->b.family >= CHIP_POLARIS10) &&
2584	    (nr_samples != sctx->msaa_sample_locs.nr_samples)) {
2585		sctx->msaa_sample_locs.nr_samples = nr_samples;
2586		cayman_emit_msaa_sample_locs(cs, nr_samples);
2587	}
2588}
2589
2590static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom)
2591{
2592	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
2593	unsigned num_tile_pipes = sctx->screen->b.info.num_tile_pipes;
2594	/* 33% faster rendering to linear color buffers */
2595	bool dst_is_linear = sctx->framebuffer.any_dst_linear;
2596	unsigned sc_mode_cntl_1 =
2597		S_028A4C_WALK_SIZE(dst_is_linear) |
2598		S_028A4C_WALK_FENCE_ENABLE(!dst_is_linear) |
2599		S_028A4C_WALK_FENCE_SIZE(num_tile_pipes == 2 ? 2 : 3) |
2600		/* always 1: */
2601		S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1) |
2602		S_028A4C_SUPERTILE_WALK_ORDER_ENABLE(1) |
2603		S_028A4C_TILE_WALK_ORDER_ENABLE(1) |
2604		S_028A4C_MULTI_SHADER_ENGINE_PRIM_DISCARD_ENABLE(1) |
2605		S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
2606		S_028A4C_FORCE_EOV_REZ_ENABLE(1);
2607
2608	cayman_emit_msaa_config(cs, sctx->framebuffer.nr_samples,
2609				sctx->ps_iter_samples,
2610				sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0,
2611				sc_mode_cntl_1);
2612}
2613
2614static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples)
2615{
2616	struct si_context *sctx = (struct si_context *)ctx;
2617
2618	if (sctx->ps_iter_samples == min_samples)
2619		return;
2620
2621	sctx->ps_iter_samples = min_samples;
2622
2623	if (sctx->framebuffer.nr_samples > 1)
2624		si_mark_atom_dirty(sctx, &sctx->msaa_config);
2625}
2626
2627/*
2628 * Samplers
2629 */
2630
2631/**
2632 * Build the sampler view descriptor for a buffer texture.
2633 * @param state 256-bit descriptor; only the high 128 bits are filled in
2634 */
2635void
2636si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf,
2637			  enum pipe_format format,
2638			  unsigned first_element, unsigned last_element,
2639			  uint32_t *state)
2640{
2641	const struct util_format_description *desc;
2642	int first_non_void;
2643	uint64_t va;
2644	unsigned stride;
2645	unsigned num_records;
2646	unsigned num_format, data_format;
2647
2648	desc = util_format_description(format);
2649	first_non_void = util_format_get_first_non_void_channel(format);
2650	stride = desc->block.bits / 8;
2651	va = buf->gpu_address + first_element * stride;
2652	num_format = si_translate_buffer_numformat(&screen->b.b, desc, first_non_void);
2653	data_format = si_translate_buffer_dataformat(&screen->b.b, desc, first_non_void);
2654
2655	num_records = last_element + 1 - first_element;
2656	num_records = MIN2(num_records, buf->b.b.width0 / stride);
2657
2658	if (screen->b.chip_class >= VI)
2659		num_records *= stride;
2660
2661	state[4] = va;
2662	state[5] = S_008F04_BASE_ADDRESS_HI(va >> 32) |
2663		   S_008F04_STRIDE(stride);
2664	state[6] = num_records;
2665	state[7] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) |
2666		   S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) |
2667		   S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) |
2668		   S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) |
2669		   S_008F0C_NUM_FORMAT(num_format) |
2670		   S_008F0C_DATA_FORMAT(data_format);
2671}
2672
2673/**
2674 * Build the sampler view descriptor for a texture.
2675 */
2676void
2677si_make_texture_descriptor(struct si_screen *screen,
2678			   struct r600_texture *tex,
2679			   bool sampler,
2680			   enum pipe_texture_target target,
2681			   enum pipe_format pipe_format,
2682			   const unsigned char state_swizzle[4],
2683			   unsigned first_level, unsigned last_level,
2684			   unsigned first_layer, unsigned last_layer,
2685			   unsigned width, unsigned height, unsigned depth,
2686			   uint32_t *state,
2687			   uint32_t *fmask_state)
2688{
2689	struct pipe_resource *res = &tex->resource.b.b;
2690	const struct util_format_description *desc;
2691	unsigned char swizzle[4];
2692	int first_non_void;
2693	unsigned num_format, data_format, type;
2694	uint64_t va;
2695
2696	desc = util_format_description(pipe_format);
2697
2698	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
2699		const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0};
2700		const unsigned char swizzle_yyyy[4] = {1, 1, 1, 1};
2701
2702		switch (pipe_format) {
2703		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
2704		case PIPE_FORMAT_X24S8_UINT:
2705		case PIPE_FORMAT_X32_S8X24_UINT:
2706		case PIPE_FORMAT_X8Z24_UNORM:
2707			util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle);
2708			break;
2709		default:
2710			util_format_compose_swizzles(swizzle_xxxx, state_swizzle, swizzle);
2711		}
2712	} else {
2713		util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle);
2714	}
2715
2716	first_non_void = util_format_get_first_non_void_channel(pipe_format);
2717
2718	switch (pipe_format) {
2719	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
2720		num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2721		break;
2722	default:
2723		if (first_non_void < 0) {
2724			if (util_format_is_compressed(pipe_format)) {
2725				switch (pipe_format) {
2726				case PIPE_FORMAT_DXT1_SRGB:
2727				case PIPE_FORMAT_DXT1_SRGBA:
2728				case PIPE_FORMAT_DXT3_SRGBA:
2729				case PIPE_FORMAT_DXT5_SRGBA:
2730				case PIPE_FORMAT_BPTC_SRGBA:
2731				case PIPE_FORMAT_ETC2_SRGB8:
2732				case PIPE_FORMAT_ETC2_SRGB8A1:
2733				case PIPE_FORMAT_ETC2_SRGBA8:
2734					num_format = V_008F14_IMG_NUM_FORMAT_SRGB;
2735					break;
2736				case PIPE_FORMAT_RGTC1_SNORM:
2737				case PIPE_FORMAT_LATC1_SNORM:
2738				case PIPE_FORMAT_RGTC2_SNORM:
2739				case PIPE_FORMAT_LATC2_SNORM:
2740				case PIPE_FORMAT_ETC2_R11_SNORM:
2741				case PIPE_FORMAT_ETC2_RG11_SNORM:
2742				/* implies float, so use SNORM/UNORM to determine
2743				   whether data is signed or not */
2744				case PIPE_FORMAT_BPTC_RGB_FLOAT:
2745					num_format = V_008F14_IMG_NUM_FORMAT_SNORM;
2746					break;
2747				default:
2748					num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2749					break;
2750				}
2751			} else if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
2752				num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2753			} else {
2754				num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
2755			}
2756		} else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
2757			num_format = V_008F14_IMG_NUM_FORMAT_SRGB;
2758		} else {
2759			num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2760
2761			switch (desc->channel[first_non_void].type) {
2762			case UTIL_FORMAT_TYPE_FLOAT:
2763				num_format = V_008F14_IMG_NUM_FORMAT_FLOAT;
2764				break;
2765			case UTIL_FORMAT_TYPE_SIGNED:
2766				if (desc->channel[first_non_void].normalized)
2767					num_format = V_008F14_IMG_NUM_FORMAT_SNORM;
2768				else if (desc->channel[first_non_void].pure_integer)
2769					num_format = V_008F14_IMG_NUM_FORMAT_SINT;
2770				else
2771					num_format = V_008F14_IMG_NUM_FORMAT_SSCALED;
2772				break;
2773			case UTIL_FORMAT_TYPE_UNSIGNED:
2774				if (desc->channel[first_non_void].normalized)
2775					num_format = V_008F14_IMG_NUM_FORMAT_UNORM;
2776				else if (desc->channel[first_non_void].pure_integer)
2777					num_format = V_008F14_IMG_NUM_FORMAT_UINT;
2778				else
2779					num_format = V_008F14_IMG_NUM_FORMAT_USCALED;
2780			}
2781		}
2782	}
2783
2784	data_format = si_translate_texformat(&screen->b.b, pipe_format, desc, first_non_void);
2785	if (data_format == ~0) {
2786		data_format = 0;
2787	}
2788
2789	if (!sampler &&
2790	    (res->target == PIPE_TEXTURE_CUBE ||
2791	     res->target == PIPE_TEXTURE_CUBE_ARRAY ||
2792	     res->target == PIPE_TEXTURE_3D)) {
2793		/* For the purpose of shader images, treat cube maps and 3D
2794		 * textures as 2D arrays. For 3D textures, the address
2795		 * calculations for mipmaps are different, so we rely on the
2796		 * caller to effectively disable mipmaps.
2797		 */
2798		type = V_008F1C_SQ_RSRC_IMG_2D_ARRAY;
2799
2800		assert(res->target != PIPE_TEXTURE_3D || (first_level == 0 && last_level == 0));
2801	} else {
2802		type = si_tex_dim(res->target, target, res->nr_samples);
2803	}
2804
2805	if (type == V_008F1C_SQ_RSRC_IMG_1D_ARRAY) {
2806	        height = 1;
2807		depth = res->array_size;
2808	} else if (type == V_008F1C_SQ_RSRC_IMG_2D_ARRAY ||
2809		   type == V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY) {
2810		if (sampler || res->target != PIPE_TEXTURE_3D)
2811			depth = res->array_size;
2812	} else if (type == V_008F1C_SQ_RSRC_IMG_CUBE)
2813		depth = res->array_size / 6;
2814
2815	state[0] = 0;
2816	state[1] = (S_008F14_DATA_FORMAT(data_format) |
2817		    S_008F14_NUM_FORMAT(num_format));
2818	state[2] = (S_008F18_WIDTH(width - 1) |
2819		    S_008F18_HEIGHT(height - 1));
2820	state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) |
2821		    S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) |
2822		    S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) |
2823		    S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) |
2824		    S_008F1C_BASE_LEVEL(res->nr_samples > 1 ?
2825					0 : first_level) |
2826		    S_008F1C_LAST_LEVEL(res->nr_samples > 1 ?
2827					util_logbase2(res->nr_samples) :
2828					last_level) |
2829		    S_008F1C_POW2_PAD(res->last_level > 0) |
2830		    S_008F1C_TYPE(type));
2831	state[4] = S_008F20_DEPTH(depth - 1);
2832	state[5] = (S_008F24_BASE_ARRAY(first_layer) |
2833		    S_008F24_LAST_ARRAY(last_layer));
2834	state[6] = 0;
2835	state[7] = 0;
2836
2837	if (tex->dcc_offset) {
2838		unsigned swap = r600_translate_colorswap(pipe_format, false);
2839
2840		state[6] = S_008F28_ALPHA_IS_ON_MSB(swap <= 1);
2841	} else {
2842		/* The last dword is unused by hw. The shader uses it to clear
2843		 * bits in the first dword of sampler state.
2844		 */
2845		if (screen->b.chip_class <= CIK && res->nr_samples <= 1) {
2846			if (first_level == last_level)
2847				state[7] = C_008F30_MAX_ANISO_RATIO;
2848			else
2849				state[7] = 0xffffffff;
2850		}
2851	}
2852
2853	/* Initialize the sampler view for FMASK. */
2854	if (tex->fmask.size) {
2855		uint32_t fmask_format;
2856
2857		va = tex->resource.gpu_address + tex->fmask.offset;
2858
2859		switch (res->nr_samples) {
2860		case 2:
2861			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2;
2862			break;
2863		case 4:
2864			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4;
2865			break;
2866		case 8:
2867			fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8;
2868			break;
2869		default:
2870			assert(0);
2871			fmask_format = V_008F14_IMG_DATA_FORMAT_INVALID;
2872		}
2873
2874		fmask_state[0] = va >> 8;
2875		fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) |
2876				 S_008F14_DATA_FORMAT(fmask_format) |
2877				 S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_UINT);
2878		fmask_state[2] = S_008F18_WIDTH(width - 1) |
2879				 S_008F18_HEIGHT(height - 1);
2880		fmask_state[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X) |
2881				 S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X) |
2882				 S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X) |
2883				 S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X) |
2884				 S_008F1C_TILING_INDEX(tex->fmask.tile_mode_index) |
2885				 S_008F1C_TYPE(si_tex_dim(res->target, target, 0));
2886		fmask_state[4] = S_008F20_DEPTH(depth - 1) |
2887				 S_008F20_PITCH(tex->fmask.pitch_in_pixels - 1);
2888		fmask_state[5] = S_008F24_BASE_ARRAY(first_layer) |
2889				 S_008F24_LAST_ARRAY(last_layer);
2890		fmask_state[6] = 0;
2891		fmask_state[7] = 0;
2892	}
2893}
2894
2895/**
2896 * Create a sampler view.
2897 *
2898 * @param ctx		context
2899 * @param texture	texture
2900 * @param state		sampler view template
2901 * @param width0	width0 override (for compressed textures as int)
2902 * @param height0	height0 override (for compressed textures as int)
2903 * @param force_level   set the base address to the level (for compressed textures)
2904 */
2905struct pipe_sampler_view *
2906si_create_sampler_view_custom(struct pipe_context *ctx,
2907			      struct pipe_resource *texture,
2908			      const struct pipe_sampler_view *state,
2909			      unsigned width0, unsigned height0,
2910			      unsigned force_level)
2911{
2912	struct si_context *sctx = (struct si_context*)ctx;
2913	struct si_sampler_view *view = CALLOC_STRUCT(si_sampler_view);
2914	struct r600_texture *tmp = (struct r600_texture*)texture;
2915	unsigned base_level, first_level, last_level;
2916	unsigned char state_swizzle[4];
2917	unsigned height, depth, width;
2918	unsigned last_layer = state->u.tex.last_layer;
2919	enum pipe_format pipe_format;
2920	const struct radeon_surf_level *surflevel;
2921
2922	if (!view)
2923		return NULL;
2924
2925	/* initialize base object */
2926	view->base = *state;
2927	view->base.texture = NULL;
2928	view->base.reference.count = 1;
2929	view->base.context = ctx;
2930
2931	/* NULL resource, obey swizzle (only ZERO and ONE make sense). */
2932	if (!texture) {
2933		view->state[3] = S_008F1C_DST_SEL_X(si_map_swizzle(state->swizzle_r)) |
2934				 S_008F1C_DST_SEL_Y(si_map_swizzle(state->swizzle_g)) |
2935				 S_008F1C_DST_SEL_Z(si_map_swizzle(state->swizzle_b)) |
2936				 S_008F1C_DST_SEL_W(si_map_swizzle(state->swizzle_a)) |
2937				 S_008F1C_TYPE(V_008F1C_SQ_RSRC_IMG_1D);
2938		return &view->base;
2939	}
2940
2941	pipe_resource_reference(&view->base.texture, texture);
2942
2943	if (state->format == PIPE_FORMAT_X24S8_UINT ||
2944	    state->format == PIPE_FORMAT_S8X24_UINT ||
2945	    state->format == PIPE_FORMAT_X32_S8X24_UINT ||
2946	    state->format == PIPE_FORMAT_S8_UINT)
2947		view->is_stencil_sampler = true;
2948
2949	/* Buffer resource. */
2950	if (texture->target == PIPE_BUFFER) {
2951		si_make_buffer_descriptor(sctx->screen,
2952					  (struct r600_resource *)texture,
2953					  state->format,
2954					  state->u.buf.first_element,
2955					  state->u.buf.last_element,
2956					  view->state);
2957
2958		LIST_ADDTAIL(&view->list, &sctx->b.texture_buffers);
2959		return &view->base;
2960	}
2961
2962	state_swizzle[0] = state->swizzle_r;
2963	state_swizzle[1] = state->swizzle_g;
2964	state_swizzle[2] = state->swizzle_b;
2965	state_swizzle[3] = state->swizzle_a;
2966
2967	base_level = 0;
2968	first_level = state->u.tex.first_level;
2969	last_level = state->u.tex.last_level;
2970	width = width0;
2971	height = height0;
2972	depth = texture->depth0;
2973
2974	if (force_level) {
2975		assert(force_level == first_level &&
2976		       force_level == last_level);
2977		base_level = force_level;
2978		first_level = 0;
2979		last_level = 0;
2980		width = u_minify(width, force_level);
2981		height = u_minify(height, force_level);
2982		depth = u_minify(depth, force_level);
2983	}
2984
2985	/* This is not needed if state trackers set last_layer correctly. */
2986	if (state->target == PIPE_TEXTURE_1D ||
2987	    state->target == PIPE_TEXTURE_2D ||
2988	    state->target == PIPE_TEXTURE_RECT ||
2989	    state->target == PIPE_TEXTURE_CUBE)
2990		last_layer = state->u.tex.first_layer;
2991
2992	/* Texturing with separate depth and stencil. */
2993	pipe_format = state->format;
2994
2995	/* Depth/stencil texturing sometimes needs separate texture. */
2996	if (tmp->is_depth && !r600_can_sample_zs(tmp, view->is_stencil_sampler)) {
2997		if (!tmp->flushed_depth_texture &&
2998		    !r600_init_flushed_depth_texture(ctx, texture, NULL)) {
2999			pipe_resource_reference(&view->base.texture, NULL);
3000			FREE(view);
3001			return NULL;
3002		}
3003
3004		/* Override format for the case where the flushed texture
3005		 * contains only Z or only S.
3006		 */
3007		if (tmp->flushed_depth_texture->resource.b.b.format != tmp->resource.b.b.format)
3008			pipe_format = tmp->flushed_depth_texture->resource.b.b.format;
3009
3010		tmp = tmp->flushed_depth_texture;
3011	}
3012
3013	surflevel = tmp->surface.level;
3014
3015	if (tmp->db_compatible) {
3016		switch (pipe_format) {
3017		case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
3018			pipe_format = PIPE_FORMAT_Z32_FLOAT;
3019			break;
3020		case PIPE_FORMAT_X8Z24_UNORM:
3021		case PIPE_FORMAT_S8_UINT_Z24_UNORM:
3022			/* Z24 is always stored like this for DB
3023			 * compatibility.
3024			 */
3025			pipe_format = PIPE_FORMAT_Z24X8_UNORM;
3026			break;
3027		case PIPE_FORMAT_X24S8_UINT:
3028		case PIPE_FORMAT_S8X24_UINT:
3029		case PIPE_FORMAT_X32_S8X24_UINT:
3030			pipe_format = PIPE_FORMAT_S8_UINT;
3031			surflevel = tmp->surface.stencil_level;
3032			break;
3033		default:;
3034		}
3035	}
3036
3037	si_make_texture_descriptor(sctx->screen, tmp, true,
3038				   state->target, pipe_format, state_swizzle,
3039				   first_level, last_level,
3040				   state->u.tex.first_layer, last_layer,
3041				   width, height, depth,
3042				   view->state, view->fmask_state);
3043
3044	view->base_level_info = &surflevel[base_level];
3045	view->base_level = base_level;
3046	view->block_width = util_format_get_blockwidth(pipe_format);
3047	return &view->base;
3048}
3049
3050static struct pipe_sampler_view *
3051si_create_sampler_view(struct pipe_context *ctx,
3052		       struct pipe_resource *texture,
3053		       const struct pipe_sampler_view *state)
3054{
3055	return si_create_sampler_view_custom(ctx, texture, state,
3056					     texture ? texture->width0 : 0,
3057					     texture ? texture->height0 : 0, 0);
3058}
3059
3060static void si_sampler_view_destroy(struct pipe_context *ctx,
3061				    struct pipe_sampler_view *state)
3062{
3063	struct si_sampler_view *view = (struct si_sampler_view *)state;
3064
3065	if (state->texture && state->texture->target == PIPE_BUFFER)
3066		LIST_DELINIT(&view->list);
3067
3068	pipe_resource_reference(&state->texture, NULL);
3069	FREE(view);
3070}
3071
3072static bool wrap_mode_uses_border_color(unsigned wrap, bool linear_filter)
3073{
3074	return wrap == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
3075	       wrap == PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER ||
3076	       (linear_filter &&
3077	        (wrap == PIPE_TEX_WRAP_CLAMP ||
3078		 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP));
3079}
3080
3081static bool sampler_state_needs_border_color(const struct pipe_sampler_state *state)
3082{
3083	bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
3084			     state->mag_img_filter != PIPE_TEX_FILTER_NEAREST;
3085
3086	return (state->border_color.ui[0] || state->border_color.ui[1] ||
3087		state->border_color.ui[2] || state->border_color.ui[3]) &&
3088	       (wrap_mode_uses_border_color(state->wrap_s, linear_filter) ||
3089		wrap_mode_uses_border_color(state->wrap_t, linear_filter) ||
3090		wrap_mode_uses_border_color(state->wrap_r, linear_filter));
3091}
3092
3093static void *si_create_sampler_state(struct pipe_context *ctx,
3094				     const struct pipe_sampler_state *state)
3095{
3096	struct si_context *sctx = (struct si_context *)ctx;
3097	struct r600_common_screen *rscreen = sctx->b.screen;
3098	struct si_sampler_state *rstate = CALLOC_STRUCT(si_sampler_state);
3099	unsigned border_color_type, border_color_index = 0;
3100	unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
3101						       : state->max_anisotropy;
3102	unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
3103
3104	if (!rstate) {
3105		return NULL;
3106	}
3107
3108	if (!sampler_state_needs_border_color(state))
3109		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK;
3110	else if (state->border_color.f[0] == 0 &&
3111		 state->border_color.f[1] == 0 &&
3112		 state->border_color.f[2] == 0 &&
3113		 state->border_color.f[3] == 0)
3114		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK;
3115	else if (state->border_color.f[0] == 0 &&
3116		 state->border_color.f[1] == 0 &&
3117		 state->border_color.f[2] == 0 &&
3118		 state->border_color.f[3] == 1)
3119		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK;
3120	else if (state->border_color.f[0] == 1 &&
3121		 state->border_color.f[1] == 1 &&
3122		 state->border_color.f[2] == 1 &&
3123		 state->border_color.f[3] == 1)
3124		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE;
3125	else {
3126		int i;
3127
3128		border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER;
3129
3130		/* Check if the border has been uploaded already. */
3131		for (i = 0; i < sctx->border_color_count; i++)
3132			if (memcmp(&sctx->border_color_table[i], &state->border_color,
3133				   sizeof(state->border_color)) == 0)
3134				break;
3135
3136		if (i >= SI_MAX_BORDER_COLORS) {
3137			/* Getting 4096 unique border colors is very unlikely. */
3138			fprintf(stderr, "radeonsi: The border color table is full. "
3139				"Any new border colors will be just black. "
3140				"Please file a bug.\n");
3141			border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK;
3142		} else {
3143			if (i == sctx->border_color_count) {
3144				/* Upload a new border color. */
3145				memcpy(&sctx->border_color_table[i], &state->border_color,
3146				       sizeof(state->border_color));
3147				util_memcpy_cpu_to_le32(&sctx->border_color_map[i],
3148							&state->border_color,
3149							sizeof(state->border_color));
3150				sctx->border_color_count++;
3151			}
3152
3153			border_color_index = i;
3154		}
3155	}
3156
3157	rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) |
3158			  S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) |
3159			  S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) |
3160			  S_008F30_MAX_ANISO_RATIO(max_aniso_ratio) |
3161			  S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) |
3162			  S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) |
3163			  S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map) |
3164			  S_008F30_COMPAT_MODE(sctx->b.chip_class >= VI));
3165	rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
3166			  S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)));
3167	rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
3168			  S_008F38_XY_MAG_FILTER(eg_tex_filter(state->mag_img_filter, max_aniso)) |
3169			  S_008F38_XY_MIN_FILTER(eg_tex_filter(state->min_img_filter, max_aniso)) |
3170			  S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) |
3171			  S_008F38_MIP_POINT_PRECLAMP(1) |
3172			  S_008F38_DISABLE_LSB_CEIL(1) |
3173			  S_008F38_FILTER_PREC_FIX(1) |
3174			  S_008F38_ANISO_OVERRIDE(sctx->b.chip_class >= VI));
3175	rstate->val[3] = S_008F3C_BORDER_COLOR_PTR(border_color_index) |
3176			 S_008F3C_BORDER_COLOR_TYPE(border_color_type);
3177	return rstate;
3178}
3179
3180static void si_set_sample_mask(struct pipe_context *ctx, unsigned sample_mask)
3181{
3182	struct si_context *sctx = (struct si_context *)ctx;
3183
3184	if (sctx->sample_mask.sample_mask == (uint16_t)sample_mask)
3185		return;
3186
3187	sctx->sample_mask.sample_mask = sample_mask;
3188	si_mark_atom_dirty(sctx, &sctx->sample_mask.atom);
3189}
3190
3191static void si_emit_sample_mask(struct si_context *sctx, struct r600_atom *atom)
3192{
3193	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
3194	unsigned mask = sctx->sample_mask.sample_mask;
3195
3196	/* Needed for line and polygon smoothing as well as for the Polaris
3197	 * small primitive filter. We expect the state tracker to take care of
3198	 * this for us.
3199	 */
3200	assert(mask == 0xffff || sctx->framebuffer.nr_samples > 1);
3201
3202	radeon_set_context_reg_seq(cs, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, 2);
3203	radeon_emit(cs, mask | (mask << 16));
3204	radeon_emit(cs, mask | (mask << 16));
3205}
3206
3207static void si_delete_sampler_state(struct pipe_context *ctx, void *state)
3208{
3209	free(state);
3210}
3211
3212/*
3213 * Vertex elements & buffers
3214 */
3215
3216static void *si_create_vertex_elements(struct pipe_context *ctx,
3217				       unsigned count,
3218				       const struct pipe_vertex_element *elements)
3219{
3220	struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element);
3221	int i;
3222
3223	assert(count <= SI_MAX_ATTRIBS);
3224	if (!v)
3225		return NULL;
3226
3227	v->count = count;
3228	for (i = 0; i < count; ++i) {
3229		const struct util_format_description *desc;
3230		unsigned data_format, num_format;
3231		int first_non_void;
3232
3233		desc = util_format_description(elements[i].src_format);
3234		first_non_void = util_format_get_first_non_void_channel(elements[i].src_format);
3235		data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void);
3236		num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void);
3237
3238		v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) |
3239				   S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) |
3240				   S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) |
3241				   S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) |
3242				   S_008F0C_NUM_FORMAT(num_format) |
3243				   S_008F0C_DATA_FORMAT(data_format);
3244		v->format_size[i] = desc->block.bits / 8;
3245	}
3246	memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count);
3247
3248	return v;
3249}
3250
3251static void si_bind_vertex_elements(struct pipe_context *ctx, void *state)
3252{
3253	struct si_context *sctx = (struct si_context *)ctx;
3254	struct si_vertex_element *v = (struct si_vertex_element*)state;
3255
3256	sctx->vertex_elements = v;
3257	sctx->vertex_buffers_dirty = true;
3258}
3259
3260static void si_delete_vertex_element(struct pipe_context *ctx, void *state)
3261{
3262	struct si_context *sctx = (struct si_context *)ctx;
3263
3264	if (sctx->vertex_elements == state)
3265		sctx->vertex_elements = NULL;
3266	FREE(state);
3267}
3268
3269static void si_set_vertex_buffers(struct pipe_context *ctx,
3270				  unsigned start_slot, unsigned count,
3271				  const struct pipe_vertex_buffer *buffers)
3272{
3273	struct si_context *sctx = (struct si_context *)ctx;
3274	struct pipe_vertex_buffer *dst = sctx->vertex_buffer + start_slot;
3275	int i;
3276
3277	assert(start_slot + count <= ARRAY_SIZE(sctx->vertex_buffer));
3278
3279	if (buffers) {
3280		for (i = 0; i < count; i++) {
3281			const struct pipe_vertex_buffer *src = buffers + i;
3282			struct pipe_vertex_buffer *dsti = dst + i;
3283
3284			pipe_resource_reference(&dsti->buffer, src->buffer);
3285			dsti->buffer_offset = src->buffer_offset;
3286			dsti->stride = src->stride;
3287			r600_context_add_resource_size(ctx, src->buffer);
3288		}
3289	} else {
3290		for (i = 0; i < count; i++) {
3291			pipe_resource_reference(&dst[i].buffer, NULL);
3292		}
3293	}
3294	sctx->vertex_buffers_dirty = true;
3295}
3296
3297static void si_set_index_buffer(struct pipe_context *ctx,
3298				const struct pipe_index_buffer *ib)
3299{
3300	struct si_context *sctx = (struct si_context *)ctx;
3301
3302	if (ib) {
3303		pipe_resource_reference(&sctx->index_buffer.buffer, ib->buffer);
3304	        memcpy(&sctx->index_buffer, ib, sizeof(*ib));
3305		r600_context_add_resource_size(ctx, ib->buffer);
3306	} else {
3307		pipe_resource_reference(&sctx->index_buffer.buffer, NULL);
3308	}
3309}
3310
3311/*
3312 * Misc
3313 */
3314
3315static void si_set_tess_state(struct pipe_context *ctx,
3316			      const float default_outer_level[4],
3317			      const float default_inner_level[2])
3318{
3319	struct si_context *sctx = (struct si_context *)ctx;
3320	struct pipe_constant_buffer cb;
3321	float array[8];
3322
3323	memcpy(array, default_outer_level, sizeof(float) * 4);
3324	memcpy(array+4, default_inner_level, sizeof(float) * 2);
3325
3326	cb.buffer = NULL;
3327	cb.user_buffer = NULL;
3328	cb.buffer_size = sizeof(array);
3329
3330	si_upload_const_buffer(sctx, (struct r600_resource**)&cb.buffer,
3331			       (void*)array, sizeof(array),
3332			       &cb.buffer_offset);
3333
3334	si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS, &cb);
3335	pipe_resource_reference(&cb.buffer, NULL);
3336}
3337
3338static void si_texture_barrier(struct pipe_context *ctx)
3339{
3340	struct si_context *sctx = (struct si_context *)ctx;
3341
3342	sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 |
3343			 SI_CONTEXT_INV_GLOBAL_L2 |
3344			 SI_CONTEXT_FLUSH_AND_INV_CB |
3345			 SI_CONTEXT_CS_PARTIAL_FLUSH;
3346}
3347
3348static void si_memory_barrier(struct pipe_context *ctx, unsigned flags)
3349{
3350	struct si_context *sctx = (struct si_context *)ctx;
3351
3352	/* Subsequent commands must wait for all shader invocations to
3353	 * complete. */
3354	sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
3355	                 SI_CONTEXT_CS_PARTIAL_FLUSH;
3356
3357	if (flags & PIPE_BARRIER_CONSTANT_BUFFER)
3358		sctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 |
3359				 SI_CONTEXT_INV_VMEM_L1;
3360
3361	if (flags & (PIPE_BARRIER_VERTEX_BUFFER |
3362		     PIPE_BARRIER_SHADER_BUFFER |
3363		     PIPE_BARRIER_TEXTURE |
3364		     PIPE_BARRIER_IMAGE |
3365		     PIPE_BARRIER_STREAMOUT_BUFFER |
3366		     PIPE_BARRIER_GLOBAL_BUFFER)) {
3367		/* As far as I can tell, L1 contents are written back to L2
3368		 * automatically at end of shader, but the contents of other
3369		 * L1 caches might still be stale. */
3370		sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1;
3371	}
3372
3373	if (flags & PIPE_BARRIER_INDEX_BUFFER) {
3374		sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1;
3375
3376		/* Indices are read through TC L2 since VI. */
3377		if (sctx->screen->b.chip_class <= CIK)
3378			sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
3379	}
3380
3381	if (flags & PIPE_BARRIER_FRAMEBUFFER)
3382		sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER;
3383
3384	if (flags & (PIPE_BARRIER_MAPPED_BUFFER |
3385		     PIPE_BARRIER_FRAMEBUFFER |
3386		     PIPE_BARRIER_INDIRECT_BUFFER)) {
3387		/* Not sure if INV_GLOBAL_L2 is the best thing here.
3388		 *
3389		 * We need to make sure that TC L1 & L2 are written back to
3390		 * memory, because neither CPU accesses nor CB fetches consider
3391		 * TC, but there's no need to invalidate any TC cache lines. */
3392		sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
3393	}
3394}
3395
3396static void *si_create_blend_custom(struct si_context *sctx, unsigned mode)
3397{
3398	struct pipe_blend_state blend;
3399
3400	memset(&blend, 0, sizeof(blend));
3401	blend.independent_blend_enable = true;
3402	blend.rt[0].colormask = 0xf;
3403	return si_create_blend_state_mode(&sctx->b.b, &blend, mode);
3404}
3405
3406static void si_need_gfx_cs_space(struct pipe_context *ctx, unsigned num_dw,
3407				 bool include_draw_vbo)
3408{
3409	si_need_cs_space((struct si_context*)ctx);
3410}
3411
3412static void si_init_config(struct si_context *sctx);
3413
3414void si_init_state_functions(struct si_context *sctx)
3415{
3416	si_init_external_atom(sctx, &sctx->b.render_cond_atom, &sctx->atoms.s.render_cond);
3417	si_init_external_atom(sctx, &sctx->b.streamout.begin_atom, &sctx->atoms.s.streamout_begin);
3418	si_init_external_atom(sctx, &sctx->b.streamout.enable_atom, &sctx->atoms.s.streamout_enable);
3419	si_init_external_atom(sctx, &sctx->b.scissors.atom, &sctx->atoms.s.scissors);
3420	si_init_external_atom(sctx, &sctx->b.viewports.atom, &sctx->atoms.s.viewports);
3421
3422	si_init_atom(sctx, &sctx->cache_flush, &sctx->atoms.s.cache_flush, si_emit_cache_flush);
3423	si_init_atom(sctx, &sctx->framebuffer.atom, &sctx->atoms.s.framebuffer, si_emit_framebuffer_state);
3424	si_init_atom(sctx, &sctx->msaa_sample_locs.atom, &sctx->atoms.s.msaa_sample_locs, si_emit_msaa_sample_locs);
3425	si_init_atom(sctx, &sctx->db_render_state, &sctx->atoms.s.db_render_state, si_emit_db_render_state);
3426	si_init_atom(sctx, &sctx->msaa_config, &sctx->atoms.s.msaa_config, si_emit_msaa_config);
3427	si_init_atom(sctx, &sctx->sample_mask.atom, &sctx->atoms.s.sample_mask, si_emit_sample_mask);
3428	si_init_atom(sctx, &sctx->cb_render_state, &sctx->atoms.s.cb_render_state, si_emit_cb_render_state);
3429	si_init_atom(sctx, &sctx->blend_color.atom, &sctx->atoms.s.blend_color, si_emit_blend_color);
3430	si_init_atom(sctx, &sctx->clip_regs, &sctx->atoms.s.clip_regs, si_emit_clip_regs);
3431	si_init_atom(sctx, &sctx->clip_state.atom, &sctx->atoms.s.clip_state, si_emit_clip_state);
3432	si_init_atom(sctx, &sctx->stencil_ref.atom, &sctx->atoms.s.stencil_ref, si_emit_stencil_ref);
3433
3434	sctx->b.b.create_blend_state = si_create_blend_state;
3435	sctx->b.b.bind_blend_state = si_bind_blend_state;
3436	sctx->b.b.delete_blend_state = si_delete_blend_state;
3437	sctx->b.b.set_blend_color = si_set_blend_color;
3438
3439	sctx->b.b.create_rasterizer_state = si_create_rs_state;
3440	sctx->b.b.bind_rasterizer_state = si_bind_rs_state;
3441	sctx->b.b.delete_rasterizer_state = si_delete_rs_state;
3442
3443	sctx->b.b.create_depth_stencil_alpha_state = si_create_dsa_state;
3444	sctx->b.b.bind_depth_stencil_alpha_state = si_bind_dsa_state;
3445	sctx->b.b.delete_depth_stencil_alpha_state = si_delete_dsa_state;
3446
3447	sctx->custom_dsa_flush = si_create_db_flush_dsa(sctx);
3448	sctx->custom_blend_resolve = si_create_blend_custom(sctx, V_028808_CB_RESOLVE);
3449	sctx->custom_blend_decompress = si_create_blend_custom(sctx, V_028808_CB_FMASK_DECOMPRESS);
3450	sctx->custom_blend_fastclear = si_create_blend_custom(sctx, V_028808_CB_ELIMINATE_FAST_CLEAR);
3451	sctx->custom_blend_dcc_decompress = si_create_blend_custom(sctx, V_028808_CB_DCC_DECOMPRESS);
3452
3453	sctx->b.b.set_clip_state = si_set_clip_state;
3454	sctx->b.b.set_stencil_ref = si_set_stencil_ref;
3455
3456	sctx->b.b.set_framebuffer_state = si_set_framebuffer_state;
3457	sctx->b.b.get_sample_position = cayman_get_sample_position;
3458
3459	sctx->b.b.create_sampler_state = si_create_sampler_state;
3460	sctx->b.b.delete_sampler_state = si_delete_sampler_state;
3461
3462	sctx->b.b.create_sampler_view = si_create_sampler_view;
3463	sctx->b.b.sampler_view_destroy = si_sampler_view_destroy;
3464
3465	sctx->b.b.set_sample_mask = si_set_sample_mask;
3466
3467	sctx->b.b.create_vertex_elements_state = si_create_vertex_elements;
3468	sctx->b.b.bind_vertex_elements_state = si_bind_vertex_elements;
3469	sctx->b.b.delete_vertex_elements_state = si_delete_vertex_element;
3470	sctx->b.b.set_vertex_buffers = si_set_vertex_buffers;
3471	sctx->b.b.set_index_buffer = si_set_index_buffer;
3472
3473	sctx->b.b.texture_barrier = si_texture_barrier;
3474	sctx->b.b.memory_barrier = si_memory_barrier;
3475	sctx->b.b.set_min_samples = si_set_min_samples;
3476	sctx->b.b.set_tess_state = si_set_tess_state;
3477
3478	sctx->b.b.set_active_query_state = si_set_active_query_state;
3479	sctx->b.set_occlusion_query_state = si_set_occlusion_query_state;
3480	sctx->b.need_gfx_cs_space = si_need_gfx_cs_space;
3481
3482	sctx->b.b.draw_vbo = si_draw_vbo;
3483
3484	si_init_config(sctx);
3485}
3486
3487static uint32_t si_get_bo_metadata_word1(struct r600_common_screen *rscreen)
3488{
3489	return (ATI_VENDOR_ID << 16) | rscreen->info.pci_id;
3490}
3491
3492static void si_query_opaque_metadata(struct r600_common_screen *rscreen,
3493				     struct r600_texture *rtex,
3494			             struct radeon_bo_metadata *md)
3495{
3496	struct si_screen *sscreen = (struct si_screen*)rscreen;
3497	struct pipe_resource *res = &rtex->resource.b.b;
3498	static const unsigned char swizzle[] = {
3499		PIPE_SWIZZLE_X,
3500		PIPE_SWIZZLE_Y,
3501		PIPE_SWIZZLE_Z,
3502		PIPE_SWIZZLE_W
3503	};
3504	uint32_t desc[8], i;
3505	bool is_array = util_resource_is_array_texture(res);
3506
3507	/* DRM 2.x.x doesn't support this. */
3508	if (rscreen->info.drm_major != 3)
3509		return;
3510
3511	assert(rtex->dcc_separate_buffer == NULL);
3512	assert(rtex->fmask.size == 0);
3513
3514	/* Metadata image format format version 1:
3515	 * [0] = 1 (metadata format identifier)
3516	 * [1] = (VENDOR_ID << 16) | PCI_ID
3517	 * [2:9] = image descriptor for the whole resource
3518	 *         [2] is always 0, because the base address is cleared
3519	 *         [9] is the DCC offset bits [39:8] from the beginning of
3520	 *             the buffer
3521	 * [10:10+LAST_LEVEL] = mipmap level offset bits [39:8] for each level
3522	 */
3523
3524	md->metadata[0] = 1; /* metadata image format version 1 */
3525
3526	/* TILE_MODE_INDEX is ambiguous without a PCI ID. */
3527	md->metadata[1] = si_get_bo_metadata_word1(rscreen);
3528
3529	si_make_texture_descriptor(sscreen, rtex, true,
3530				   res->target, res->format,
3531				   swizzle, 0, res->last_level, 0,
3532				   is_array ? res->array_size - 1 : 0,
3533				   res->width0, res->height0, res->depth0,
3534				   desc, NULL);
3535
3536	si_set_mutable_tex_desc_fields(rtex, &rtex->surface.level[0], 0, 0,
3537				       rtex->surface.blk_w, false, desc);
3538
3539	/* Clear the base address and set the relative DCC offset. */
3540	desc[0] = 0;
3541	desc[1] &= C_008F14_BASE_ADDRESS_HI;
3542	desc[7] = rtex->dcc_offset >> 8;
3543
3544	/* Dwords [2:9] contain the image descriptor. */
3545	memcpy(&md->metadata[2], desc, sizeof(desc));
3546
3547	/* Dwords [10:..] contain the mipmap level offsets. */
3548	for (i = 0; i <= res->last_level; i++)
3549		md->metadata[10+i] = rtex->surface.level[i].offset >> 8;
3550
3551	md->size_metadata = (11 + res->last_level) * 4;
3552}
3553
3554static void si_apply_opaque_metadata(struct r600_common_screen *rscreen,
3555				     struct r600_texture *rtex,
3556			             struct radeon_bo_metadata *md)
3557{
3558	uint32_t *desc = &md->metadata[2];
3559
3560	if (rscreen->chip_class < VI)
3561		return;
3562
3563	/* Return if DCC is enabled. The texture should be set up with it
3564	 * already.
3565	 */
3566	if (md->size_metadata >= 11 * 4 &&
3567	    md->metadata[0] != 0 &&
3568	    md->metadata[1] == si_get_bo_metadata_word1(rscreen) &&
3569	    G_008F28_COMPRESSION_EN(desc[6])) {
3570		assert(rtex->dcc_offset == ((uint64_t)desc[7] << 8));
3571		return;
3572	}
3573
3574	/* Disable DCC. These are always set by texture_from_handle and must
3575	 * be cleared here.
3576	 */
3577	rtex->dcc_offset = 0;
3578}
3579
3580void si_init_screen_state_functions(struct si_screen *sscreen)
3581{
3582	sscreen->b.b.is_format_supported = si_is_format_supported;
3583	sscreen->b.query_opaque_metadata = si_query_opaque_metadata;
3584	sscreen->b.apply_opaque_metadata = si_apply_opaque_metadata;
3585}
3586
3587static void
3588si_write_harvested_raster_configs(struct si_context *sctx,
3589				  struct si_pm4_state *pm4,
3590				  unsigned raster_config,
3591				  unsigned raster_config_1)
3592{
3593	unsigned sh_per_se = MAX2(sctx->screen->b.info.max_sh_per_se, 1);
3594	unsigned num_se = MAX2(sctx->screen->b.info.max_se, 1);
3595	unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask;
3596	unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16);
3597	unsigned rb_per_pkr = MIN2(num_rb / num_se / sh_per_se, 2);
3598	unsigned rb_per_se = num_rb / num_se;
3599	unsigned se_mask[4];
3600	unsigned se;
3601
3602	se_mask[0] = ((1 << rb_per_se) - 1);
3603	se_mask[1] = (se_mask[0] << rb_per_se);
3604	se_mask[2] = (se_mask[1] << rb_per_se);
3605	se_mask[3] = (se_mask[2] << rb_per_se);
3606
3607	se_mask[0] &= rb_mask;
3608	se_mask[1] &= rb_mask;
3609	se_mask[2] &= rb_mask;
3610	se_mask[3] &= rb_mask;
3611
3612	assert(num_se == 1 || num_se == 2 || num_se == 4);
3613	assert(sh_per_se == 1 || sh_per_se == 2);
3614	assert(rb_per_pkr == 1 || rb_per_pkr == 2);
3615
3616	/* XXX: I can't figure out what the *_XSEL and *_YSEL
3617	 * fields are for, so I'm leaving them as their default
3618	 * values. */
3619
3620	for (se = 0; se < num_se; se++) {
3621		unsigned raster_config_se = raster_config;
3622		unsigned pkr0_mask = ((1 << rb_per_pkr) - 1) << (se * rb_per_se);
3623		unsigned pkr1_mask = pkr0_mask << rb_per_pkr;
3624		int idx = (se / 2) * 2;
3625
3626		if ((num_se > 1) && (!se_mask[idx] || !se_mask[idx + 1])) {
3627			raster_config_se &= C_028350_SE_MAP;
3628
3629			if (!se_mask[idx]) {
3630				raster_config_se |=
3631					S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_3);
3632			} else {
3633				raster_config_se |=
3634					S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_0);
3635			}
3636		}
3637
3638		pkr0_mask &= rb_mask;
3639		pkr1_mask &= rb_mask;
3640		if (rb_per_se > 2 && (!pkr0_mask || !pkr1_mask)) {
3641			raster_config_se &= C_028350_PKR_MAP;
3642
3643			if (!pkr0_mask) {
3644				raster_config_se |=
3645					S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_3);
3646			} else {
3647				raster_config_se |=
3648					S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_0);
3649			}
3650		}
3651
3652		if (rb_per_se >= 2) {
3653			unsigned rb0_mask = 1 << (se * rb_per_se);
3654			unsigned rb1_mask = rb0_mask << 1;
3655
3656			rb0_mask &= rb_mask;
3657			rb1_mask &= rb_mask;
3658			if (!rb0_mask || !rb1_mask) {
3659				raster_config_se &= C_028350_RB_MAP_PKR0;
3660
3661				if (!rb0_mask) {
3662					raster_config_se |=
3663						S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_3);
3664				} else {
3665					raster_config_se |=
3666						S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_0);
3667				}
3668			}
3669
3670			if (rb_per_se > 2) {
3671				rb0_mask = 1 << (se * rb_per_se + rb_per_pkr);
3672				rb1_mask = rb0_mask << 1;
3673				rb0_mask &= rb_mask;
3674				rb1_mask &= rb_mask;
3675				if (!rb0_mask || !rb1_mask) {
3676					raster_config_se &= C_028350_RB_MAP_PKR1;
3677
3678					if (!rb0_mask) {
3679						raster_config_se |=
3680							S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_3);
3681					} else {
3682						raster_config_se |=
3683							S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_0);
3684					}
3685				}
3686			}
3687		}
3688
3689		/* GRBM_GFX_INDEX has a different offset on SI and CI+ */
3690		if (sctx->b.chip_class < CIK)
3691			si_pm4_set_reg(pm4, GRBM_GFX_INDEX,
3692				       SE_INDEX(se) | SH_BROADCAST_WRITES |
3693				       INSTANCE_BROADCAST_WRITES);
3694		else
3695			si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX,
3696				       S_030800_SE_INDEX(se) | S_030800_SH_BROADCAST_WRITES(1) |
3697				       S_030800_INSTANCE_BROADCAST_WRITES(1));
3698		si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config_se);
3699	}
3700
3701	/* GRBM_GFX_INDEX has a different offset on SI and CI+ */
3702	if (sctx->b.chip_class < CIK)
3703		si_pm4_set_reg(pm4, GRBM_GFX_INDEX,
3704			       SE_BROADCAST_WRITES | SH_BROADCAST_WRITES |
3705			       INSTANCE_BROADCAST_WRITES);
3706	else {
3707		si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX,
3708			       S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) |
3709			       S_030800_INSTANCE_BROADCAST_WRITES(1));
3710
3711		if ((num_se > 2) && ((!se_mask[0] && !se_mask[1]) ||
3712		                     (!se_mask[2] && !se_mask[3]))) {
3713			raster_config_1 &= C_028354_SE_PAIR_MAP;
3714
3715			if (!se_mask[0] && !se_mask[1]) {
3716				raster_config_1 |=
3717					S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_3);
3718			} else {
3719				raster_config_1 |=
3720					S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_0);
3721			}
3722		}
3723
3724		si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1);
3725	}
3726}
3727
3728static void si_init_config(struct si_context *sctx)
3729{
3730	struct si_screen *sscreen = sctx->screen;
3731	unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16);
3732	unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask;
3733	unsigned raster_config, raster_config_1;
3734	uint64_t border_color_va = sctx->border_color_buffer->gpu_address;
3735	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
3736	int i;
3737
3738	if (!pm4)
3739		return;
3740
3741	si_pm4_cmd_begin(pm4, PKT3_CONTEXT_CONTROL);
3742	si_pm4_cmd_add(pm4, CONTEXT_CONTROL_LOAD_ENABLE(1));
3743	si_pm4_cmd_add(pm4, CONTEXT_CONTROL_SHADOW_ENABLE(1));
3744	si_pm4_cmd_end(pm4, false);
3745
3746	si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64));
3747	si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0));
3748
3749	/* FIXME calculate these values somehow ??? */
3750	si_pm4_set_reg(pm4, R_028A54_VGT_GS_PER_ES, SI_GS_PER_ES);
3751	si_pm4_set_reg(pm4, R_028A58_VGT_ES_PER_GS, 0x40);
3752	si_pm4_set_reg(pm4, R_028A5C_VGT_GS_PER_VS, 0x2);
3753
3754	si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0);
3755	si_pm4_set_reg(pm4, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
3756
3757	si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0);
3758	si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0);
3759	if (sctx->b.chip_class < CIK)
3760		si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) |
3761			       S_008A14_CLIP_VTX_REORDER_ENA(1));
3762
3763	si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210);
3764	si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98);
3765
3766	si_pm4_set_reg(pm4, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0);
3767
3768	for (i = 0; i < 16; i++) {
3769		si_pm4_set_reg(pm4, R_0282D0_PA_SC_VPORT_ZMIN_0 + i*8, 0);
3770		si_pm4_set_reg(pm4, R_0282D4_PA_SC_VPORT_ZMAX_0 + i*8, fui(1.0));
3771	}
3772
3773	switch (sctx->screen->b.family) {
3774	case CHIP_TAHITI:
3775	case CHIP_PITCAIRN:
3776		raster_config = 0x2a00126a;
3777		raster_config_1 = 0x00000000;
3778		break;
3779	case CHIP_VERDE:
3780		raster_config = 0x0000124a;
3781		raster_config_1 = 0x00000000;
3782		break;
3783	case CHIP_OLAND:
3784		raster_config = 0x00000082;
3785		raster_config_1 = 0x00000000;
3786		break;
3787	case CHIP_HAINAN:
3788		raster_config = 0x00000000;
3789		raster_config_1 = 0x00000000;
3790		break;
3791	case CHIP_BONAIRE:
3792		raster_config = 0x16000012;
3793		raster_config_1 = 0x00000000;
3794		break;
3795	case CHIP_HAWAII:
3796		raster_config = 0x3a00161a;
3797		raster_config_1 = 0x0000002e;
3798		break;
3799	case CHIP_FIJI:
3800		if (sscreen->b.info.cik_macrotile_mode_array[0] == 0x000000e8) {
3801			/* old kernels with old tiling config */
3802			raster_config = 0x16000012;
3803			raster_config_1 = 0x0000002a;
3804		} else {
3805			raster_config = 0x3a00161a;
3806			raster_config_1 = 0x0000002e;
3807		}
3808		break;
3809	case CHIP_POLARIS10:
3810		raster_config = 0x16000012;
3811		raster_config_1 = 0x0000002a;
3812		break;
3813	case CHIP_POLARIS11:
3814		raster_config = 0x16000012;
3815		raster_config_1 = 0x00000000;
3816		break;
3817	case CHIP_TONGA:
3818		raster_config = 0x16000012;
3819		raster_config_1 = 0x0000002a;
3820		break;
3821	case CHIP_ICELAND:
3822		if (num_rb == 1)
3823			raster_config = 0x00000000;
3824		else
3825			raster_config = 0x00000002;
3826		raster_config_1 = 0x00000000;
3827		break;
3828	case CHIP_CARRIZO:
3829		raster_config = 0x00000002;
3830		raster_config_1 = 0x00000000;
3831		break;
3832	case CHIP_KAVERI:
3833		/* KV should be 0x00000002, but that causes problems with radeon */
3834		raster_config = 0x00000000; /* 0x00000002 */
3835		raster_config_1 = 0x00000000;
3836		break;
3837	case CHIP_KABINI:
3838	case CHIP_MULLINS:
3839	case CHIP_STONEY:
3840		raster_config = 0x00000000;
3841		raster_config_1 = 0x00000000;
3842		break;
3843	default:
3844		fprintf(stderr,
3845			"radeonsi: Unknown GPU, using 0 for raster_config\n");
3846		raster_config = 0x00000000;
3847		raster_config_1 = 0x00000000;
3848		break;
3849	}
3850
3851	/* Always use the default config when all backends are enabled
3852	 * (or when we failed to determine the enabled backends).
3853	 */
3854	if (!rb_mask || util_bitcount(rb_mask) >= num_rb) {
3855		si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG,
3856			       raster_config);
3857		if (sctx->b.chip_class >= CIK)
3858			si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1,
3859				       raster_config_1);
3860	} else {
3861		si_write_harvested_raster_configs(sctx, pm4, raster_config, raster_config_1);
3862	}
3863
3864	si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1));
3865	si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, S_028240_WINDOW_OFFSET_DISABLE(1));
3866	si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR,
3867		       S_028244_BR_X(16384) | S_028244_BR_Y(16384));
3868	si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, 0);
3869	si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR,
3870		       S_028034_BR_X(16384) | S_028034_BR_Y(16384));
3871
3872	si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF);
3873	si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE,
3874		       S_028230_ER_TRI(0xA) |
3875		       S_028230_ER_POINT(0xA) |
3876		       S_028230_ER_RECT(0xA) |
3877		       /* Required by DX10_DIAMOND_TEST_ENA: */
3878		       S_028230_ER_LINE_LR(0x1A) |
3879		       S_028230_ER_LINE_RL(0x26) |
3880		       S_028230_ER_LINE_TB(0xA) |
3881		       S_028230_ER_LINE_BT(0xA));
3882	/* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */
3883	si_pm4_set_reg(pm4, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0);
3884	si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0);
3885	si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0);
3886	si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0);
3887	si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0);
3888	si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE,
3889		       S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) |
3890		       S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE));
3891
3892	si_pm4_set_reg(pm4, R_028400_VGT_MAX_VTX_INDX, ~0);
3893	si_pm4_set_reg(pm4, R_028404_VGT_MIN_VTX_INDX, 0);
3894	si_pm4_set_reg(pm4, R_028408_VGT_INDX_OFFSET, 0);
3895
3896	if (sctx->b.chip_class >= CIK) {
3897		si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff));
3898		si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0);
3899		si_pm4_set_reg(pm4, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff));
3900		si_pm4_set_reg(pm4, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff));
3901
3902		if (sscreen->b.info.num_good_compute_units /
3903		    (sscreen->b.info.max_se * sscreen->b.info.max_sh_per_se) <= 4) {
3904			/* Too few available compute units per SH. Disallowing
3905			 * VS to run on CU0 could hurt us more than late VS
3906			 * allocation would help.
3907			 *
3908			 * LATE_ALLOC_VS = 2 is the highest safe number.
3909			 */
3910			si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff));
3911			si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(2));
3912		} else {
3913			/* Set LATE_ALLOC_VS == 31. It should be less than
3914			 * the number of scratch waves. Limitations:
3915			 * - VS can't execute on CU0.
3916			 * - If HS writes outputs to LDS, LS can't execute on CU0.
3917			 */
3918			si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe));
3919			si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31));
3920		}
3921
3922		si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff));
3923	}
3924
3925	if (sctx->b.chip_class >= VI) {
3926		unsigned vgt_tess_distribution;
3927
3928		si_pm4_set_reg(pm4, R_028424_CB_DCC_CONTROL,
3929			       S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) |
3930			       S_028424_OVERWRITE_COMBINER_WATERMARK(4));
3931		if (sctx->b.family < CHIP_POLARIS10)
3932			si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 30);
3933		si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32);
3934
3935		vgt_tess_distribution =
3936			S_028B50_ACCUM_ISOLINE(32) |
3937			S_028B50_ACCUM_TRI(11) |
3938			S_028B50_ACCUM_QUAD(11) |
3939			S_028B50_DONUT_SPLIT(16);
3940
3941		/* Testing with Unigine Heaven extreme tesselation yielded best results
3942		 * with TRAP_SPLIT = 3.
3943		 */
3944		if (sctx->b.family == CHIP_FIJI ||
3945		    sctx->b.family >= CHIP_POLARIS10)
3946			vgt_tess_distribution |= S_028B50_TRAP_SPLIT(3);
3947
3948		si_pm4_set_reg(pm4, R_028B50_VGT_TESS_DISTRIBUTION, vgt_tess_distribution);
3949	} else {
3950		si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3951		si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 16);
3952	}
3953
3954	if (sctx->b.family == CHIP_STONEY)
3955		si_pm4_set_reg(pm4, R_028C40_PA_SC_SHADER_CONTROL, 0);
3956
3957	if (sctx->b.family >= CHIP_POLARIS10)
3958		si_pm4_set_reg(pm4, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL,
3959			       S_028830_SMALL_PRIM_FILTER_ENABLE(1) |
3960			       S_028830_LINE_FILTER_DISABLE(1)); /* line bug */
3961
3962	si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8);
3963	if (sctx->b.chip_class >= CIK)
3964		si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40);
3965	si_pm4_add_bo(pm4, sctx->border_color_buffer, RADEON_USAGE_READ,
3966		      RADEON_PRIO_BORDER_COLORS);
3967
3968	si_pm4_upload_indirect_buffer(sctx, pm4);
3969	sctx->init_config = pm4;
3970}
3971