r600_state.c revision 9c35ec2042660c18133a3fc29afcaa5ea1f7a432
1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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#include "r600_formats.h"
24#include "r600_shader.h"
25#include "r600d.h"
26
27#include "pipe/p_shader_tokens.h"
28#include "util/u_pack_color.h"
29#include "util/u_memory.h"
30#include "util/u_framebuffer.h"
31#include "util/u_dual_blend.h"
32
33static uint32_t r600_translate_blend_function(int blend_func)
34{
35	switch (blend_func) {
36	case PIPE_BLEND_ADD:
37		return V_028804_COMB_DST_PLUS_SRC;
38	case PIPE_BLEND_SUBTRACT:
39		return V_028804_COMB_SRC_MINUS_DST;
40	case PIPE_BLEND_REVERSE_SUBTRACT:
41		return V_028804_COMB_DST_MINUS_SRC;
42	case PIPE_BLEND_MIN:
43		return V_028804_COMB_MIN_DST_SRC;
44	case PIPE_BLEND_MAX:
45		return V_028804_COMB_MAX_DST_SRC;
46	default:
47		R600_ERR("Unknown blend function %d\n", blend_func);
48		assert(0);
49		break;
50	}
51	return 0;
52}
53
54static uint32_t r600_translate_blend_factor(int blend_fact)
55{
56	switch (blend_fact) {
57	case PIPE_BLENDFACTOR_ONE:
58		return V_028804_BLEND_ONE;
59	case PIPE_BLENDFACTOR_SRC_COLOR:
60		return V_028804_BLEND_SRC_COLOR;
61	case PIPE_BLENDFACTOR_SRC_ALPHA:
62		return V_028804_BLEND_SRC_ALPHA;
63	case PIPE_BLENDFACTOR_DST_ALPHA:
64		return V_028804_BLEND_DST_ALPHA;
65	case PIPE_BLENDFACTOR_DST_COLOR:
66		return V_028804_BLEND_DST_COLOR;
67	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
68		return V_028804_BLEND_SRC_ALPHA_SATURATE;
69	case PIPE_BLENDFACTOR_CONST_COLOR:
70		return V_028804_BLEND_CONST_COLOR;
71	case PIPE_BLENDFACTOR_CONST_ALPHA:
72		return V_028804_BLEND_CONST_ALPHA;
73	case PIPE_BLENDFACTOR_ZERO:
74		return V_028804_BLEND_ZERO;
75	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
76		return V_028804_BLEND_ONE_MINUS_SRC_COLOR;
77	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
78		return V_028804_BLEND_ONE_MINUS_SRC_ALPHA;
79	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
80		return V_028804_BLEND_ONE_MINUS_DST_ALPHA;
81	case PIPE_BLENDFACTOR_INV_DST_COLOR:
82		return V_028804_BLEND_ONE_MINUS_DST_COLOR;
83	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
84		return V_028804_BLEND_ONE_MINUS_CONST_COLOR;
85	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
86		return V_028804_BLEND_ONE_MINUS_CONST_ALPHA;
87	case PIPE_BLENDFACTOR_SRC1_COLOR:
88		return V_028804_BLEND_SRC1_COLOR;
89	case PIPE_BLENDFACTOR_SRC1_ALPHA:
90		return V_028804_BLEND_SRC1_ALPHA;
91	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
92		return V_028804_BLEND_INV_SRC1_COLOR;
93	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
94		return V_028804_BLEND_INV_SRC1_ALPHA;
95	default:
96		R600_ERR("Bad blend factor %d not supported!\n", blend_fact);
97		assert(0);
98		break;
99	}
100	return 0;
101}
102
103static unsigned r600_tex_dim(unsigned dim, unsigned nr_samples)
104{
105	switch (dim) {
106	default:
107	case PIPE_TEXTURE_1D:
108		return V_038000_SQ_TEX_DIM_1D;
109	case PIPE_TEXTURE_1D_ARRAY:
110		return V_038000_SQ_TEX_DIM_1D_ARRAY;
111	case PIPE_TEXTURE_2D:
112	case PIPE_TEXTURE_RECT:
113		return nr_samples > 1 ? V_038000_SQ_TEX_DIM_2D_MSAA :
114					V_038000_SQ_TEX_DIM_2D;
115	case PIPE_TEXTURE_2D_ARRAY:
116		return nr_samples > 1 ? V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA :
117					V_038000_SQ_TEX_DIM_2D_ARRAY;
118	case PIPE_TEXTURE_3D:
119		return V_038000_SQ_TEX_DIM_3D;
120	case PIPE_TEXTURE_CUBE:
121	case PIPE_TEXTURE_CUBE_ARRAY:
122		return V_038000_SQ_TEX_DIM_CUBEMAP;
123	}
124}
125
126static uint32_t r600_translate_dbformat(enum pipe_format format)
127{
128	switch (format) {
129	case PIPE_FORMAT_Z16_UNORM:
130		return V_028010_DEPTH_16;
131	case PIPE_FORMAT_Z24X8_UNORM:
132		return V_028010_DEPTH_X8_24;
133	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
134		return V_028010_DEPTH_8_24;
135	case PIPE_FORMAT_Z32_FLOAT:
136		return V_028010_DEPTH_32_FLOAT;
137	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
138		return V_028010_DEPTH_X24_8_32_FLOAT;
139	default:
140		return ~0U;
141	}
142}
143
144static bool r600_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
145{
146	return r600_translate_texformat(screen, format, NULL, NULL, NULL,
147                                   FALSE) != ~0U;
148}
149
150static bool r600_is_colorbuffer_format_supported(enum chip_class chip, enum pipe_format format)
151{
152	return r600_translate_colorformat(chip, format, FALSE) != ~0U &&
153	       r600_translate_colorswap(format, FALSE) != ~0U;
154}
155
156static bool r600_is_zs_format_supported(enum pipe_format format)
157{
158	return r600_translate_dbformat(format) != ~0U;
159}
160
161boolean r600_is_format_supported(struct pipe_screen *screen,
162				 enum pipe_format format,
163				 enum pipe_texture_target target,
164				 unsigned sample_count,
165				 unsigned usage)
166{
167	struct r600_screen *rscreen = (struct r600_screen*)screen;
168	unsigned retval = 0;
169
170	if (target >= PIPE_MAX_TEXTURE_TYPES) {
171		R600_ERR("r600: unsupported texture type %d\n", target);
172		return FALSE;
173	}
174
175	if (!util_format_is_supported(format, usage))
176		return FALSE;
177
178	if (sample_count > 1) {
179		if (!rscreen->has_msaa)
180			return FALSE;
181
182		/* R11G11B10 is broken on R6xx. */
183		if (rscreen->b.chip_class == R600 &&
184		    format == PIPE_FORMAT_R11G11B10_FLOAT)
185			return FALSE;
186
187		/* MSAA integer colorbuffers hang. */
188		if (util_format_is_pure_integer(format) &&
189		    !util_format_is_depth_or_stencil(format))
190			return FALSE;
191
192		switch (sample_count) {
193		case 2:
194		case 4:
195		case 8:
196			break;
197		default:
198			return FALSE;
199		}
200	}
201
202	if (usage & PIPE_BIND_SAMPLER_VIEW) {
203		if (target == PIPE_BUFFER) {
204			if (r600_is_vertex_format_supported(format))
205				retval |= PIPE_BIND_SAMPLER_VIEW;
206		} else {
207			if (r600_is_sampler_format_supported(screen, format))
208				retval |= PIPE_BIND_SAMPLER_VIEW;
209		}
210	}
211
212	if ((usage & (PIPE_BIND_RENDER_TARGET |
213		      PIPE_BIND_DISPLAY_TARGET |
214		      PIPE_BIND_SCANOUT |
215		      PIPE_BIND_SHARED |
216		      PIPE_BIND_BLENDABLE)) &&
217	    r600_is_colorbuffer_format_supported(rscreen->b.chip_class, format)) {
218		retval |= usage &
219			  (PIPE_BIND_RENDER_TARGET |
220			   PIPE_BIND_DISPLAY_TARGET |
221			   PIPE_BIND_SCANOUT |
222			   PIPE_BIND_SHARED);
223		if (!util_format_is_pure_integer(format) &&
224		    !util_format_is_depth_or_stencil(format))
225			retval |= usage & PIPE_BIND_BLENDABLE;
226	}
227
228	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
229	    r600_is_zs_format_supported(format)) {
230		retval |= PIPE_BIND_DEPTH_STENCIL;
231	}
232
233	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
234	    r600_is_vertex_format_supported(format)) {
235		retval |= PIPE_BIND_VERTEX_BUFFER;
236	}
237
238	if (usage & PIPE_BIND_TRANSFER_READ)
239		retval |= PIPE_BIND_TRANSFER_READ;
240	if (usage & PIPE_BIND_TRANSFER_WRITE)
241		retval |= PIPE_BIND_TRANSFER_WRITE;
242
243	if ((usage & PIPE_BIND_LINEAR) &&
244	    !util_format_is_compressed(format) &&
245	    !(usage & PIPE_BIND_DEPTH_STENCIL))
246		retval |= PIPE_BIND_LINEAR;
247
248	return retval == usage;
249}
250
251static void r600_emit_polygon_offset(struct r600_context *rctx, struct r600_atom *a)
252{
253	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
254	struct r600_poly_offset_state *state = (struct r600_poly_offset_state*)a;
255	float offset_units = state->offset_units;
256	float offset_scale = state->offset_scale;
257
258	switch (state->zs_format) {
259	case PIPE_FORMAT_Z24X8_UNORM:
260	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
261		offset_units *= 2.0f;
262		break;
263	case PIPE_FORMAT_Z16_UNORM:
264		offset_units *= 4.0f;
265		break;
266	default:;
267	}
268
269	radeon_set_context_reg_seq(cs, R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE, 4);
270	radeon_emit(cs, fui(offset_scale));
271	radeon_emit(cs, fui(offset_units));
272	radeon_emit(cs, fui(offset_scale));
273	radeon_emit(cs, fui(offset_units));
274}
275
276static uint32_t r600_get_blend_control(const struct pipe_blend_state *state, unsigned i)
277{
278	int j = state->independent_blend_enable ? i : 0;
279
280	unsigned eqRGB = state->rt[j].rgb_func;
281	unsigned srcRGB = state->rt[j].rgb_src_factor;
282	unsigned dstRGB = state->rt[j].rgb_dst_factor;
283
284	unsigned eqA = state->rt[j].alpha_func;
285	unsigned srcA = state->rt[j].alpha_src_factor;
286	unsigned dstA = state->rt[j].alpha_dst_factor;
287	uint32_t bc = 0;
288
289	if (!state->rt[j].blend_enable)
290		return 0;
291
292	bc |= S_028804_COLOR_COMB_FCN(r600_translate_blend_function(eqRGB));
293	bc |= S_028804_COLOR_SRCBLEND(r600_translate_blend_factor(srcRGB));
294	bc |= S_028804_COLOR_DESTBLEND(r600_translate_blend_factor(dstRGB));
295
296	if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
297		bc |= S_028804_SEPARATE_ALPHA_BLEND(1);
298		bc |= S_028804_ALPHA_COMB_FCN(r600_translate_blend_function(eqA));
299		bc |= S_028804_ALPHA_SRCBLEND(r600_translate_blend_factor(srcA));
300		bc |= S_028804_ALPHA_DESTBLEND(r600_translate_blend_factor(dstA));
301	}
302	return bc;
303}
304
305static void *r600_create_blend_state_mode(struct pipe_context *ctx,
306					  const struct pipe_blend_state *state,
307					  int mode)
308{
309	struct r600_context *rctx = (struct r600_context *)ctx;
310	uint32_t color_control = 0, target_mask = 0;
311	struct r600_blend_state *blend = CALLOC_STRUCT(r600_blend_state);
312
313	if (!blend) {
314		return NULL;
315	}
316
317	r600_init_command_buffer(&blend->buffer, 20);
318	r600_init_command_buffer(&blend->buffer_no_blend, 20);
319
320	/* R600 does not support per-MRT blends */
321	if (rctx->b.family > CHIP_R600)
322		color_control |= S_028808_PER_MRT_BLEND(1);
323
324	if (state->logicop_enable) {
325		color_control |= (state->logicop_func << 16) | (state->logicop_func << 20);
326	} else {
327		color_control |= (0xcc << 16);
328	}
329	/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
330	if (state->independent_blend_enable) {
331		for (int i = 0; i < 8; i++) {
332			if (state->rt[i].blend_enable) {
333				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
334			}
335			target_mask |= (state->rt[i].colormask << (4 * i));
336		}
337	} else {
338		for (int i = 0; i < 8; i++) {
339			if (state->rt[0].blend_enable) {
340				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
341			}
342			target_mask |= (state->rt[0].colormask << (4 * i));
343		}
344	}
345
346	if (target_mask)
347		color_control |= S_028808_SPECIAL_OP(mode);
348	else
349		color_control |= S_028808_SPECIAL_OP(V_028808_DISABLE);
350
351	/* only MRT0 has dual src blend */
352	blend->dual_src_blend = util_blend_state_is_dual(state, 0);
353	blend->cb_target_mask = target_mask;
354	blend->cb_color_control = color_control;
355	blend->cb_color_control_no_blend = color_control & C_028808_TARGET_BLEND_ENABLE;
356	blend->alpha_to_one = state->alpha_to_one;
357
358	r600_store_context_reg(&blend->buffer, R_028D44_DB_ALPHA_TO_MASK,
359			       S_028D44_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
360			       S_028D44_ALPHA_TO_MASK_OFFSET0(2) |
361			       S_028D44_ALPHA_TO_MASK_OFFSET1(2) |
362			       S_028D44_ALPHA_TO_MASK_OFFSET2(2) |
363			       S_028D44_ALPHA_TO_MASK_OFFSET3(2));
364
365	/* Copy over the registers set so far into buffer_no_blend. */
366	memcpy(blend->buffer_no_blend.buf, blend->buffer.buf, blend->buffer.num_dw * 4);
367	blend->buffer_no_blend.num_dw = blend->buffer.num_dw;
368
369	/* Only add blend registers if blending is enabled. */
370	if (!G_028808_TARGET_BLEND_ENABLE(color_control)) {
371		return blend;
372	}
373
374	/* The first R600 does not support per-MRT blends */
375	r600_store_context_reg(&blend->buffer, R_028804_CB_BLEND_CONTROL,
376			       r600_get_blend_control(state, 0));
377
378	if (rctx->b.family > CHIP_R600) {
379		r600_store_context_reg_seq(&blend->buffer, R_028780_CB_BLEND0_CONTROL, 8);
380		for (int i = 0; i < 8; i++) {
381			r600_store_value(&blend->buffer, r600_get_blend_control(state, i));
382		}
383	}
384	return blend;
385}
386
387static void *r600_create_blend_state(struct pipe_context *ctx,
388				     const struct pipe_blend_state *state)
389{
390	return r600_create_blend_state_mode(ctx, state, V_028808_SPECIAL_NORMAL);
391}
392
393static void *r600_create_dsa_state(struct pipe_context *ctx,
394				   const struct pipe_depth_stencil_alpha_state *state)
395{
396	unsigned db_depth_control, alpha_test_control, alpha_ref;
397	struct r600_dsa_state *dsa = CALLOC_STRUCT(r600_dsa_state);
398
399	if (!dsa) {
400		return NULL;
401	}
402
403	r600_init_command_buffer(&dsa->buffer, 3);
404
405	dsa->valuemask[0] = state->stencil[0].valuemask;
406	dsa->valuemask[1] = state->stencil[1].valuemask;
407	dsa->writemask[0] = state->stencil[0].writemask;
408	dsa->writemask[1] = state->stencil[1].writemask;
409	dsa->zwritemask = state->depth.writemask;
410
411	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
412		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
413		S_028800_ZFUNC(state->depth.func);
414
415	/* stencil */
416	if (state->stencil[0].enabled) {
417		db_depth_control |= S_028800_STENCIL_ENABLE(1);
418		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); /* translates straight */
419		db_depth_control |= S_028800_STENCILFAIL(r600_translate_stencil_op(state->stencil[0].fail_op));
420		db_depth_control |= S_028800_STENCILZPASS(r600_translate_stencil_op(state->stencil[0].zpass_op));
421		db_depth_control |= S_028800_STENCILZFAIL(r600_translate_stencil_op(state->stencil[0].zfail_op));
422
423		if (state->stencil[1].enabled) {
424			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
425			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); /* translates straight */
426			db_depth_control |= S_028800_STENCILFAIL_BF(r600_translate_stencil_op(state->stencil[1].fail_op));
427			db_depth_control |= S_028800_STENCILZPASS_BF(r600_translate_stencil_op(state->stencil[1].zpass_op));
428			db_depth_control |= S_028800_STENCILZFAIL_BF(r600_translate_stencil_op(state->stencil[1].zfail_op));
429		}
430	}
431
432	/* alpha */
433	alpha_test_control = 0;
434	alpha_ref = 0;
435	if (state->alpha.enabled) {
436		alpha_test_control = S_028410_ALPHA_FUNC(state->alpha.func);
437		alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
438		alpha_ref = fui(state->alpha.ref_value);
439	}
440	dsa->sx_alpha_test_control = alpha_test_control & 0xff;
441	dsa->alpha_ref = alpha_ref;
442
443	r600_store_context_reg(&dsa->buffer, R_028800_DB_DEPTH_CONTROL, db_depth_control);
444	return dsa;
445}
446
447static void *r600_create_rs_state(struct pipe_context *ctx,
448				  const struct pipe_rasterizer_state *state)
449{
450	struct r600_context *rctx = (struct r600_context *)ctx;
451	unsigned tmp, sc_mode_cntl, spi_interp;
452	float psize_min, psize_max;
453	struct r600_rasterizer_state *rs = CALLOC_STRUCT(r600_rasterizer_state);
454
455	if (!rs) {
456		return NULL;
457	}
458
459	r600_init_command_buffer(&rs->buffer, 30);
460
461	rs->scissor_enable = state->scissor;
462	rs->flatshade = state->flatshade;
463	rs->sprite_coord_enable = state->sprite_coord_enable;
464	rs->two_side = state->light_twoside;
465	rs->clip_plane_enable = state->clip_plane_enable;
466	rs->pa_sc_line_stipple = state->line_stipple_enable ?
467				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
468				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
469	rs->pa_cl_clip_cntl =
470		S_028810_PS_UCP_MODE(3) |
471		S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) |
472		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) |
473		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) |
474		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
475	if (rctx->b.chip_class == R700) {
476		rs->pa_cl_clip_cntl |=
477			S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard);
478	}
479	rs->multisample_enable = state->multisample;
480
481	/* offset */
482	rs->offset_units = state->offset_units;
483	rs->offset_scale = state->offset_scale * 16.0f;
484	rs->offset_enable = state->offset_point || state->offset_line || state->offset_tri;
485
486	if (state->point_size_per_vertex) {
487		psize_min = util_get_min_point_size(state);
488		psize_max = 8192;
489	} else {
490		/* Force the point size to be as if the vertex output was disabled. */
491		psize_min = state->point_size;
492		psize_max = state->point_size;
493	}
494
495	sc_mode_cntl = S_028A4C_MSAA_ENABLE(state->multisample) |
496		       S_028A4C_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
497		       S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
498		       S_028A4C_PS_ITER_SAMPLE(state->multisample && rctx->ps_iter_samples > 1);
499	if (rctx->b.family == CHIP_RV770) {
500		/* workaround possible rendering corruption on RV770 with hyperz together with sample shading */
501		sc_mode_cntl |= S_028A4C_TILE_COVER_DISABLE(state->multisample && rctx->ps_iter_samples > 1);
502	}
503	if (rctx->b.chip_class >= R700) {
504		sc_mode_cntl |= S_028A4C_FORCE_EOV_REZ_ENABLE(1) |
505				S_028A4C_R700_ZMM_LINE_OFFSET(1) |
506				S_028A4C_R700_VPORT_SCISSOR_ENABLE(1);
507	} else {
508		sc_mode_cntl |= S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1);
509	}
510
511	spi_interp = S_0286D4_FLAT_SHADE_ENA(1);
512	if (state->sprite_coord_enable) {
513		spi_interp |= S_0286D4_PNT_SPRITE_ENA(1) |
514			      S_0286D4_PNT_SPRITE_OVRD_X(2) |
515			      S_0286D4_PNT_SPRITE_OVRD_Y(3) |
516			      S_0286D4_PNT_SPRITE_OVRD_Z(0) |
517			      S_0286D4_PNT_SPRITE_OVRD_W(1);
518		if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) {
519			spi_interp |= S_0286D4_PNT_SPRITE_TOP_1(1);
520		}
521	}
522
523	r600_store_context_reg_seq(&rs->buffer, R_028A00_PA_SU_POINT_SIZE, 3);
524	/* point size 12.4 fixed point (divide by two, because 0.5 = 1 pixel. */
525	tmp = r600_pack_float_12p4(state->point_size/2);
526	r600_store_value(&rs->buffer, /* R_028A00_PA_SU_POINT_SIZE */
527			 S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
528	r600_store_value(&rs->buffer, /* R_028A04_PA_SU_POINT_MINMAX */
529			 S_028A04_MIN_SIZE(r600_pack_float_12p4(psize_min/2)) |
530			 S_028A04_MAX_SIZE(r600_pack_float_12p4(psize_max/2)));
531	r600_store_value(&rs->buffer, /* R_028A08_PA_SU_LINE_CNTL */
532			 S_028A08_WIDTH(r600_pack_float_12p4(state->line_width/2)));
533
534	r600_store_context_reg(&rs->buffer, R_0286D4_SPI_INTERP_CONTROL_0, spi_interp);
535	r600_store_context_reg(&rs->buffer, R_028A4C_PA_SC_MODE_CNTL, sc_mode_cntl);
536	r600_store_context_reg(&rs->buffer, R_028C08_PA_SU_VTX_CNTL,
537			       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
538			       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
539	r600_store_context_reg(&rs->buffer, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
540
541	rs->pa_su_sc_mode_cntl = S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) |
542				 S_028814_CULL_FRONT(state->cull_face & PIPE_FACE_FRONT ? 1 : 0) |
543				 S_028814_CULL_BACK(state->cull_face & PIPE_FACE_BACK ? 1 : 0) |
544				 S_028814_FACE(!state->front_ccw) |
545				 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) |
546				 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) |
547				 S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) |
548				 S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL ||
549									 state->fill_back != PIPE_POLYGON_MODE_FILL) |
550				 S_028814_POLYMODE_FRONT_PTYPE(r600_translate_fill(state->fill_front)) |
551				 S_028814_POLYMODE_BACK_PTYPE(r600_translate_fill(state->fill_back));
552	if (rctx->b.chip_class == R700) {
553		r600_store_context_reg(&rs->buffer, R_028814_PA_SU_SC_MODE_CNTL, rs->pa_su_sc_mode_cntl);
554	}
555	if (rctx->b.chip_class == R600) {
556		r600_store_context_reg(&rs->buffer, R_028350_SX_MISC,
557				       S_028350_MULTIPASS(state->rasterizer_discard));
558	}
559	return rs;
560}
561
562static unsigned r600_tex_filter(unsigned filter, unsigned max_aniso)
563{
564	if (filter == PIPE_TEX_FILTER_LINEAR)
565		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_BILINEAR
566				     : V_03C000_SQ_TEX_XY_FILTER_BILINEAR;
567	else
568		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_POINT
569				     : V_03C000_SQ_TEX_XY_FILTER_POINT;
570}
571
572static void *r600_create_sampler_state(struct pipe_context *ctx,
573					const struct pipe_sampler_state *state)
574{
575	struct r600_common_screen *rscreen = (struct r600_common_screen*)ctx->screen;
576	struct r600_pipe_sampler_state *ss = CALLOC_STRUCT(r600_pipe_sampler_state);
577	unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
578						       : state->max_anisotropy;
579	unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
580
581	if (!ss) {
582		return NULL;
583	}
584
585	ss->seamless_cube_map = state->seamless_cube_map;
586	ss->border_color_use = sampler_state_needs_border_color(state);
587
588	/* R_03C000_SQ_TEX_SAMPLER_WORD0_0 */
589	ss->tex_sampler_words[0] =
590		S_03C000_CLAMP_X(r600_tex_wrap(state->wrap_s)) |
591		S_03C000_CLAMP_Y(r600_tex_wrap(state->wrap_t)) |
592		S_03C000_CLAMP_Z(r600_tex_wrap(state->wrap_r)) |
593		S_03C000_XY_MAG_FILTER(r600_tex_filter(state->mag_img_filter, max_aniso)) |
594		S_03C000_XY_MIN_FILTER(r600_tex_filter(state->min_img_filter, max_aniso)) |
595		S_03C000_MIP_FILTER(r600_tex_mipfilter(state->min_mip_filter)) |
596		S_03C000_MAX_ANISO_RATIO(max_aniso_ratio) |
597		S_03C000_DEPTH_COMPARE_FUNCTION(r600_tex_compare(state->compare_func)) |
598		S_03C000_BORDER_COLOR_TYPE(ss->border_color_use ? V_03C000_SQ_TEX_BORDER_COLOR_REGISTER : 0);
599	/* R_03C004_SQ_TEX_SAMPLER_WORD1_0 */
600	ss->tex_sampler_words[1] =
601		S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 6)) |
602		S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 6)) |
603		S_03C004_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 6));
604	/* R_03C008_SQ_TEX_SAMPLER_WORD2_0 */
605	ss->tex_sampler_words[2] = S_03C008_TYPE(1);
606
607	if (ss->border_color_use) {
608		memcpy(&ss->border_color, &state->border_color, sizeof(state->border_color));
609	}
610	return ss;
611}
612
613static struct pipe_sampler_view *
614texture_buffer_sampler_view(struct r600_pipe_sampler_view *view,
615			    unsigned width0, unsigned height0)
616
617{
618	struct r600_texture *tmp = (struct r600_texture*)view->base.texture;
619	int stride = util_format_get_blocksize(view->base.format);
620	unsigned format, num_format, format_comp, endian;
621	uint64_t offset = view->base.u.buf.first_element * stride;
622	unsigned size = (view->base.u.buf.last_element - view->base.u.buf.first_element + 1) * stride;
623
624	r600_vertex_data_type(view->base.format,
625			      &format, &num_format, &format_comp,
626			      &endian);
627
628	view->tex_resource = &tmp->resource;
629	view->skip_mip_address_reloc = true;
630
631	view->tex_resource_words[0] = offset;
632	view->tex_resource_words[1] = size - 1;
633	view->tex_resource_words[2] = S_038008_BASE_ADDRESS_HI(offset >> 32UL) |
634		S_038008_STRIDE(stride) |
635		S_038008_DATA_FORMAT(format) |
636		S_038008_NUM_FORMAT_ALL(num_format) |
637		S_038008_FORMAT_COMP_ALL(format_comp) |
638		S_038008_ENDIAN_SWAP(endian);
639	view->tex_resource_words[3] = 0;
640	/*
641	 * in theory dword 4 is for number of elements, for use with resinfo,
642	 * but it seems to utterly fail to work, the amd gpu shader analyser
643	 * uses a const buffer to store the element sizes for buffer txq
644	 */
645	view->tex_resource_words[4] = 0;
646	view->tex_resource_words[5] = 0;
647	view->tex_resource_words[6] = S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_BUFFER);
648	return &view->base;
649}
650
651struct pipe_sampler_view *
652r600_create_sampler_view_custom(struct pipe_context *ctx,
653				struct pipe_resource *texture,
654				const struct pipe_sampler_view *state,
655				unsigned width_first_level, unsigned height_first_level)
656{
657	struct r600_pipe_sampler_view *view = CALLOC_STRUCT(r600_pipe_sampler_view);
658	struct r600_texture *tmp = (struct r600_texture*)texture;
659	unsigned format, endian;
660	uint32_t word4 = 0, yuv_format = 0, pitch = 0;
661	unsigned char swizzle[4], array_mode = 0;
662	unsigned width, height, depth, offset_level, last_level;
663	bool do_endian_swap = FALSE;
664
665	if (!view)
666		return NULL;
667
668	/* initialize base object */
669	view->base = *state;
670	view->base.texture = NULL;
671	pipe_reference(NULL, &texture->reference);
672	view->base.texture = texture;
673	view->base.reference.count = 1;
674	view->base.context = ctx;
675
676	if (texture->target == PIPE_BUFFER)
677		return texture_buffer_sampler_view(view, texture->width0, 1);
678
679	swizzle[0] = state->swizzle_r;
680	swizzle[1] = state->swizzle_g;
681	swizzle[2] = state->swizzle_b;
682	swizzle[3] = state->swizzle_a;
683
684	if (R600_BIG_ENDIAN)
685		do_endian_swap = !(tmp->is_depth && !tmp->is_flushing_texture);
686
687	format = r600_translate_texformat(ctx->screen, state->format,
688					  swizzle,
689					  &word4, &yuv_format, do_endian_swap);
690	assert(format != ~0);
691	if (format == ~0) {
692		FREE(view);
693		return NULL;
694	}
695
696	if (tmp->is_depth && !tmp->is_flushing_texture && !r600_can_read_depth(tmp)) {
697		if (!r600_init_flushed_depth_texture(ctx, texture, NULL)) {
698			FREE(view);
699			return NULL;
700		}
701		tmp = tmp->flushed_depth_texture;
702	}
703
704	endian = r600_colorformat_endian_swap(format, do_endian_swap);
705
706	offset_level = state->u.tex.first_level;
707	last_level = state->u.tex.last_level - offset_level;
708	width = width_first_level;
709	height = height_first_level;
710        depth = u_minify(texture->depth0, offset_level);
711	pitch = tmp->surface.level[offset_level].nblk_x * util_format_get_blockwidth(state->format);
712
713	if (texture->target == PIPE_TEXTURE_1D_ARRAY) {
714		height = 1;
715		depth = texture->array_size;
716	} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
717		depth = texture->array_size;
718	} else if (texture->target == PIPE_TEXTURE_CUBE_ARRAY)
719		depth = texture->array_size / 6;
720
721	switch (tmp->surface.level[offset_level].mode) {
722	default:
723	case RADEON_SURF_MODE_LINEAR_ALIGNED:
724		array_mode = V_038000_ARRAY_LINEAR_ALIGNED;
725		break;
726	case RADEON_SURF_MODE_1D:
727		array_mode = V_038000_ARRAY_1D_TILED_THIN1;
728		break;
729	case RADEON_SURF_MODE_2D:
730		array_mode = V_038000_ARRAY_2D_TILED_THIN1;
731		break;
732	}
733
734	if (state->format == PIPE_FORMAT_X24S8_UINT ||
735	    state->format == PIPE_FORMAT_S8X24_UINT ||
736	    state->format == PIPE_FORMAT_X32_S8X24_UINT ||
737	    state->format == PIPE_FORMAT_S8_UINT)
738		view->is_stencil_sampler = true;
739
740	view->tex_resource = &tmp->resource;
741	view->tex_resource_words[0] = (S_038000_DIM(r600_tex_dim(texture->target, texture->nr_samples)) |
742				       S_038000_TILE_MODE(array_mode) |
743				       S_038000_TILE_TYPE(tmp->non_disp_tiling) |
744				       S_038000_PITCH((pitch / 8) - 1) |
745				       S_038000_TEX_WIDTH(width - 1));
746	view->tex_resource_words[1] = (S_038004_TEX_HEIGHT(height - 1) |
747				       S_038004_TEX_DEPTH(depth - 1) |
748				       S_038004_DATA_FORMAT(format));
749	view->tex_resource_words[2] = tmp->surface.level[offset_level].offset >> 8;
750	if (offset_level >= tmp->surface.last_level) {
751		view->tex_resource_words[3] = tmp->surface.level[offset_level].offset >> 8;
752	} else {
753		view->tex_resource_words[3] = tmp->surface.level[offset_level + 1].offset >> 8;
754	}
755	view->tex_resource_words[4] = (word4 |
756				       S_038010_REQUEST_SIZE(1) |
757				       S_038010_ENDIAN_SWAP(endian) |
758				       S_038010_BASE_LEVEL(0));
759	view->tex_resource_words[5] = (S_038014_BASE_ARRAY(state->u.tex.first_layer) |
760				       S_038014_LAST_ARRAY(state->u.tex.last_layer));
761	if (texture->nr_samples > 1) {
762		/* LAST_LEVEL holds log2(nr_samples) for multisample textures */
763		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(util_logbase2(texture->nr_samples));
764	} else {
765		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(last_level);
766	}
767	view->tex_resource_words[6] = (S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_TEXTURE) |
768				       S_038018_MAX_ANISO(4 /* max 16 samples */));
769	return &view->base;
770}
771
772static struct pipe_sampler_view *
773r600_create_sampler_view(struct pipe_context *ctx,
774			 struct pipe_resource *tex,
775			 const struct pipe_sampler_view *state)
776{
777	return r600_create_sampler_view_custom(ctx, tex, state,
778                                               u_minify(tex->width0, state->u.tex.first_level),
779                                               u_minify(tex->height0, state->u.tex.first_level));
780}
781
782static void r600_emit_clip_state(struct r600_context *rctx, struct r600_atom *atom)
783{
784	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
785	struct pipe_clip_state *state = &rctx->clip_state.state;
786
787	radeon_set_context_reg_seq(cs, R_028E20_PA_CL_UCP0_X, 6*4);
788	radeon_emit_array(cs, (unsigned*)state, 6*4);
789}
790
791static void r600_set_polygon_stipple(struct pipe_context *ctx,
792					 const struct pipe_poly_stipple *state)
793{
794}
795
796static struct r600_resource *r600_buffer_create_helper(struct r600_screen *rscreen,
797						       unsigned size, unsigned alignment)
798{
799	struct pipe_resource buffer;
800
801	memset(&buffer, 0, sizeof buffer);
802	buffer.target = PIPE_BUFFER;
803	buffer.format = PIPE_FORMAT_R8_UNORM;
804	buffer.bind = PIPE_BIND_CUSTOM;
805	buffer.usage = PIPE_USAGE_DEFAULT;
806	buffer.flags = 0;
807	buffer.width0 = size;
808	buffer.height0 = 1;
809	buffer.depth0 = 1;
810	buffer.array_size = 1;
811
812	return (struct r600_resource*)
813		r600_buffer_create(&rscreen->b.b, &buffer, alignment);
814}
815
816static void r600_init_color_surface(struct r600_context *rctx,
817				    struct r600_surface *surf,
818				    bool force_cmask_fmask)
819{
820	struct r600_screen *rscreen = rctx->screen;
821	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
822	unsigned level = surf->base.u.tex.level;
823	unsigned pitch, slice;
824	unsigned color_info;
825	unsigned color_view;
826	unsigned format, swap, ntype, endian;
827	unsigned offset;
828	const struct util_format_description *desc;
829	int i;
830	bool blend_bypass = 0, blend_clamp = 1, do_endian_swap = FALSE;
831
832	if (rtex->is_depth && !rtex->is_flushing_texture && !r600_can_read_depth(rtex)) {
833		r600_init_flushed_depth_texture(&rctx->b.b, surf->base.texture, NULL);
834		rtex = rtex->flushed_depth_texture;
835		assert(rtex);
836	}
837
838	offset = rtex->surface.level[level].offset;
839	color_view = S_028080_SLICE_START(surf->base.u.tex.first_layer) |
840		     S_028080_SLICE_MAX(surf->base.u.tex.last_layer);
841
842	pitch = rtex->surface.level[level].nblk_x / 8 - 1;
843	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
844	if (slice) {
845		slice = slice - 1;
846	}
847	color_info = 0;
848	switch (rtex->surface.level[level].mode) {
849	default:
850	case RADEON_SURF_MODE_LINEAR_ALIGNED:
851		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_LINEAR_ALIGNED);
852		break;
853	case RADEON_SURF_MODE_1D:
854		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_1D_TILED_THIN1);
855		break;
856	case RADEON_SURF_MODE_2D:
857		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_2D_TILED_THIN1);
858		break;
859	}
860
861	desc = util_format_description(surf->base.format);
862
863	for (i = 0; i < 4; i++) {
864		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
865			break;
866		}
867	}
868
869	ntype = V_0280A0_NUMBER_UNORM;
870	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
871		ntype = V_0280A0_NUMBER_SRGB;
872	else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
873		if (desc->channel[i].normalized)
874			ntype = V_0280A0_NUMBER_SNORM;
875		else if (desc->channel[i].pure_integer)
876			ntype = V_0280A0_NUMBER_SINT;
877	} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
878		if (desc->channel[i].normalized)
879			ntype = V_0280A0_NUMBER_UNORM;
880		else if (desc->channel[i].pure_integer)
881			ntype = V_0280A0_NUMBER_UINT;
882	}
883
884	if (R600_BIG_ENDIAN)
885		do_endian_swap = !(rtex->is_depth && !rtex->is_flushing_texture);
886
887	format = r600_translate_colorformat(rctx->b.chip_class, surf->base.format,
888			                              do_endian_swap);
889	assert(format != ~0);
890
891	swap = r600_translate_colorswap(surf->base.format, do_endian_swap);
892	assert(swap != ~0);
893
894	endian = r600_colorformat_endian_swap(format, do_endian_swap);
895
896	/* set blend bypass according to docs if SINT/UINT or
897	   8/24 COLOR variants */
898	if (ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT ||
899	    format == V_0280A0_COLOR_8_24 || format == V_0280A0_COLOR_24_8 ||
900	    format == V_0280A0_COLOR_X24_8_32_FLOAT) {
901		blend_clamp = 0;
902		blend_bypass = 1;
903	}
904
905	surf->alphatest_bypass = ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT;
906
907	color_info |= S_0280A0_FORMAT(format) |
908		S_0280A0_COMP_SWAP(swap) |
909		S_0280A0_BLEND_BYPASS(blend_bypass) |
910		S_0280A0_BLEND_CLAMP(blend_clamp) |
911		S_0280A0_NUMBER_TYPE(ntype) |
912		S_0280A0_ENDIAN(endian);
913
914	/* EXPORT_NORM is an optimzation that can be enabled for better
915	 * performance in certain cases
916	 */
917	if (rctx->b.chip_class == R600) {
918		/* EXPORT_NORM can be enabled if:
919		 * - 11-bit or smaller UNORM/SNORM/SRGB
920		 * - BLEND_CLAMP is enabled
921		 * - BLEND_FLOAT32 is disabled
922		 */
923		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
924		    (desc->channel[i].size < 12 &&
925		     desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
926		     ntype != V_0280A0_NUMBER_UINT &&
927		     ntype != V_0280A0_NUMBER_SINT) &&
928		    G_0280A0_BLEND_CLAMP(color_info) &&
929		    !G_0280A0_BLEND_FLOAT32(color_info)) {
930			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
931			surf->export_16bpc = true;
932		}
933	} else {
934		/* EXPORT_NORM can be enabled if:
935		 * - 11-bit or smaller UNORM/SNORM/SRGB
936		 * - 16-bit or smaller FLOAT
937		 */
938		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
939		    ((desc->channel[i].size < 12 &&
940		      desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
941		      ntype != V_0280A0_NUMBER_UINT && ntype != V_0280A0_NUMBER_SINT) ||
942		    (desc->channel[i].size < 17 &&
943		     desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT))) {
944			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
945			surf->export_16bpc = true;
946		}
947	}
948
949	/* These might not always be initialized to zero. */
950	surf->cb_color_base = offset >> 8;
951	surf->cb_color_size = S_028060_PITCH_TILE_MAX(pitch) |
952			      S_028060_SLICE_TILE_MAX(slice);
953	surf->cb_color_fmask = surf->cb_color_base;
954	surf->cb_color_cmask = surf->cb_color_base;
955	surf->cb_color_mask = 0;
956
957	pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_cmask,
958				&rtex->resource.b.b);
959	pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_fmask,
960				&rtex->resource.b.b);
961
962	if (rtex->cmask.size) {
963		surf->cb_color_cmask = rtex->cmask.offset >> 8;
964		surf->cb_color_mask |= S_028100_CMASK_BLOCK_MAX(rtex->cmask.slice_tile_max);
965
966		if (rtex->fmask.size) {
967			color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
968			surf->cb_color_fmask = rtex->fmask.offset >> 8;
969			surf->cb_color_mask |= S_028100_FMASK_TILE_MAX(rtex->fmask.slice_tile_max);
970		} else { /* cmask only */
971			color_info |= S_0280A0_TILE_MODE(V_0280A0_CLEAR_ENABLE);
972		}
973	} else if (force_cmask_fmask) {
974		/* Allocate dummy FMASK and CMASK if they aren't allocated already.
975		 *
976		 * R6xx needs FMASK and CMASK for the destination buffer of color resolve,
977		 * otherwise it hangs. We don't have FMASK and CMASK pre-allocated,
978		 * because it's not an MSAA buffer.
979		 */
980		struct r600_cmask_info cmask;
981		struct r600_fmask_info fmask;
982
983		r600_texture_get_cmask_info(&rscreen->b, rtex, &cmask);
984		r600_texture_get_fmask_info(&rscreen->b, rtex, 8, &fmask);
985
986		/* CMASK. */
987		if (!rctx->dummy_cmask ||
988		    rctx->dummy_cmask->b.b.width0 < cmask.size ||
989		    rctx->dummy_cmask->buf->alignment % cmask.alignment != 0) {
990			struct pipe_transfer *transfer;
991			void *ptr;
992
993			pipe_resource_reference((struct pipe_resource**)&rctx->dummy_cmask, NULL);
994			rctx->dummy_cmask = r600_buffer_create_helper(rscreen, cmask.size, cmask.alignment);
995
996			/* Set the contents to 0xCC. */
997			ptr = pipe_buffer_map(&rctx->b.b, &rctx->dummy_cmask->b.b, PIPE_TRANSFER_WRITE, &transfer);
998			memset(ptr, 0xCC, cmask.size);
999			pipe_buffer_unmap(&rctx->b.b, transfer);
1000		}
1001		pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_cmask,
1002					&rctx->dummy_cmask->b.b);
1003
1004		/* FMASK. */
1005		if (!rctx->dummy_fmask ||
1006		    rctx->dummy_fmask->b.b.width0 < fmask.size ||
1007		    rctx->dummy_fmask->buf->alignment % fmask.alignment != 0) {
1008			pipe_resource_reference((struct pipe_resource**)&rctx->dummy_fmask, NULL);
1009			rctx->dummy_fmask = r600_buffer_create_helper(rscreen, fmask.size, fmask.alignment);
1010
1011		}
1012		pipe_resource_reference((struct pipe_resource**)&surf->cb_buffer_fmask,
1013					&rctx->dummy_fmask->b.b);
1014
1015		/* Init the registers. */
1016		color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
1017		surf->cb_color_cmask = 0;
1018		surf->cb_color_fmask = 0;
1019		surf->cb_color_mask = S_028100_CMASK_BLOCK_MAX(cmask.slice_tile_max) |
1020				      S_028100_FMASK_TILE_MAX(fmask.slice_tile_max);
1021	}
1022
1023	surf->cb_color_info = color_info;
1024	surf->cb_color_view = color_view;
1025	surf->color_initialized = true;
1026}
1027
1028static void r600_init_depth_surface(struct r600_context *rctx,
1029				    struct r600_surface *surf)
1030{
1031	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
1032	unsigned level, pitch, slice, format, offset, array_mode;
1033
1034	level = surf->base.u.tex.level;
1035	offset = rtex->surface.level[level].offset;
1036	pitch = rtex->surface.level[level].nblk_x / 8 - 1;
1037	slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64;
1038	if (slice) {
1039		slice = slice - 1;
1040	}
1041	switch (rtex->surface.level[level].mode) {
1042	case RADEON_SURF_MODE_2D:
1043		array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
1044		break;
1045	case RADEON_SURF_MODE_1D:
1046	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1047	default:
1048		array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
1049		break;
1050	}
1051
1052	format = r600_translate_dbformat(surf->base.format);
1053	assert(format != ~0);
1054
1055	surf->db_depth_info = S_028010_ARRAY_MODE(array_mode) | S_028010_FORMAT(format);
1056	surf->db_depth_base = offset >> 8;
1057	surf->db_depth_view = S_028004_SLICE_START(surf->base.u.tex.first_layer) |
1058			      S_028004_SLICE_MAX(surf->base.u.tex.last_layer);
1059	surf->db_depth_size = S_028000_PITCH_TILE_MAX(pitch) | S_028000_SLICE_TILE_MAX(slice);
1060	surf->db_prefetch_limit = (rtex->surface.level[level].nblk_y / 8) - 1;
1061
1062	switch (surf->base.format) {
1063	case PIPE_FORMAT_Z24X8_UNORM:
1064	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1065		surf->pa_su_poly_offset_db_fmt_cntl =
1066			S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-24);
1067		break;
1068	case PIPE_FORMAT_Z32_FLOAT:
1069	case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1070		surf->pa_su_poly_offset_db_fmt_cntl =
1071			S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-23) |
1072			S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
1073		break;
1074	case PIPE_FORMAT_Z16_UNORM:
1075		surf->pa_su_poly_offset_db_fmt_cntl =
1076			S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-16);
1077		break;
1078	default:;
1079	}
1080
1081	/* use htile only for first level */
1082	if (rtex->htile_buffer && !level) {
1083		surf->db_htile_data_base = 0;
1084		surf->db_htile_surface = S_028D24_HTILE_WIDTH(1) |
1085					 S_028D24_HTILE_HEIGHT(1) |
1086					 S_028D24_FULL_CACHE(1);
1087		/* preload is not working properly on r6xx/r7xx */
1088		surf->db_depth_info |= S_028010_TILE_SURFACE_ENABLE(1);
1089	}
1090
1091	surf->depth_initialized = true;
1092}
1093
1094static void r600_set_framebuffer_state(struct pipe_context *ctx,
1095					const struct pipe_framebuffer_state *state)
1096{
1097	struct r600_context *rctx = (struct r600_context *)ctx;
1098	struct r600_surface *surf;
1099	struct r600_texture *rtex;
1100	unsigned i;
1101
1102	/* Flush TC when changing the framebuffer state, because the only
1103	 * client not using TC that can change textures is the framebuffer.
1104	 * Other places don't typically have to flush TC.
1105	 */
1106	rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE |
1107			 R600_CONTEXT_FLUSH_AND_INV |
1108			 R600_CONTEXT_FLUSH_AND_INV_CB |
1109			 R600_CONTEXT_FLUSH_AND_INV_CB_META |
1110			 R600_CONTEXT_FLUSH_AND_INV_DB |
1111			 R600_CONTEXT_FLUSH_AND_INV_DB_META |
1112			 R600_CONTEXT_INV_TEX_CACHE;
1113
1114	/* Set the new state. */
1115	util_copy_framebuffer_state(&rctx->framebuffer.state, state);
1116
1117	rctx->framebuffer.export_16bpc = state->nr_cbufs != 0;
1118	rctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
1119			       util_format_is_pure_integer(state->cbufs[0]->format);
1120	rctx->framebuffer.compressed_cb_mask = 0;
1121	rctx->framebuffer.is_msaa_resolve = state->nr_cbufs == 2 &&
1122					    state->cbufs[0] && state->cbufs[1] &&
1123					    state->cbufs[0]->texture->nr_samples > 1 &&
1124				            state->cbufs[1]->texture->nr_samples <= 1;
1125	rctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state);
1126
1127	/* Colorbuffers. */
1128	for (i = 0; i < state->nr_cbufs; i++) {
1129		/* The resolve buffer must have CMASK and FMASK to prevent hardlocks on R6xx. */
1130		bool force_cmask_fmask = rctx->b.chip_class == R600 &&
1131					 rctx->framebuffer.is_msaa_resolve &&
1132					 i == 1;
1133
1134		surf = (struct r600_surface*)state->cbufs[i];
1135		if (!surf)
1136			continue;
1137
1138		rtex = (struct r600_texture*)surf->base.texture;
1139		r600_context_add_resource_size(ctx, state->cbufs[i]->texture);
1140
1141		if (!surf->color_initialized || force_cmask_fmask) {
1142			r600_init_color_surface(rctx, surf, force_cmask_fmask);
1143			if (force_cmask_fmask) {
1144				/* re-initialize later without compression */
1145				surf->color_initialized = false;
1146			}
1147		}
1148
1149		if (!surf->export_16bpc) {
1150			rctx->framebuffer.export_16bpc = false;
1151		}
1152
1153		if (rtex->fmask.size && rtex->cmask.size) {
1154			rctx->framebuffer.compressed_cb_mask |= 1 << i;
1155		}
1156	}
1157
1158	/* Update alpha-test state dependencies.
1159	 * Alpha-test is done on the first colorbuffer only. */
1160	if (state->nr_cbufs) {
1161		bool alphatest_bypass = false;
1162
1163		surf = (struct r600_surface*)state->cbufs[0];
1164		if (surf) {
1165			alphatest_bypass = surf->alphatest_bypass;
1166		}
1167
1168		if (rctx->alphatest_state.bypass != alphatest_bypass) {
1169			rctx->alphatest_state.bypass = alphatest_bypass;
1170			r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1171		}
1172	}
1173
1174	/* ZS buffer. */
1175	if (state->zsbuf) {
1176		surf = (struct r600_surface*)state->zsbuf;
1177
1178		r600_context_add_resource_size(ctx, state->zsbuf->texture);
1179
1180		if (!surf->depth_initialized) {
1181			r600_init_depth_surface(rctx, surf);
1182		}
1183
1184		if (state->zsbuf->format != rctx->poly_offset_state.zs_format) {
1185			rctx->poly_offset_state.zs_format = state->zsbuf->format;
1186			r600_mark_atom_dirty(rctx, &rctx->poly_offset_state.atom);
1187		}
1188
1189		if (rctx->db_state.rsurf != surf) {
1190			rctx->db_state.rsurf = surf;
1191			r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1192			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1193		}
1194	} else if (rctx->db_state.rsurf) {
1195		rctx->db_state.rsurf = NULL;
1196		r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1197		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1198	}
1199
1200	if (rctx->cb_misc_state.nr_cbufs != state->nr_cbufs) {
1201		rctx->cb_misc_state.nr_cbufs = state->nr_cbufs;
1202		r600_mark_atom_dirty(rctx, &rctx->cb_misc_state.atom);
1203	}
1204
1205	if (state->nr_cbufs == 0 && rctx->alphatest_state.bypass) {
1206		rctx->alphatest_state.bypass = false;
1207		r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1208	}
1209
1210	/* Calculate the CS size. */
1211	rctx->framebuffer.atom.num_dw =
1212		10 /*COLOR_INFO*/ + 4 /*SCISSOR*/ + 3 /*SHADER_CONTROL*/ + 8 /*MSAA*/;
1213
1214	if (rctx->framebuffer.state.nr_cbufs) {
1215		rctx->framebuffer.atom.num_dw += 15 * rctx->framebuffer.state.nr_cbufs;
1216		rctx->framebuffer.atom.num_dw += 3 * (2 + rctx->framebuffer.state.nr_cbufs);
1217	}
1218	if (rctx->framebuffer.state.zsbuf) {
1219		rctx->framebuffer.atom.num_dw += 16;
1220	} else if (rctx->screen->b.info.drm_minor >= 18) {
1221		rctx->framebuffer.atom.num_dw += 3;
1222	}
1223	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770) {
1224		rctx->framebuffer.atom.num_dw += 2;
1225	}
1226
1227	r600_mark_atom_dirty(rctx, &rctx->framebuffer.atom);
1228
1229	r600_set_sample_locations_constant_buffer(rctx);
1230}
1231
1232static uint32_t sample_locs_2x[] = {
1233	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1234	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1235};
1236static unsigned max_dist_2x = 4;
1237
1238static uint32_t sample_locs_4x[] = {
1239	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1240	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1241};
1242static unsigned max_dist_4x = 6;
1243static uint32_t sample_locs_8x[] = {
1244	FILL_SREG(-1,  1,  1,  5,  3, -5,  5,  3),
1245	FILL_SREG(-7, -1, -3, -7,  7, -3, -5,  7),
1246};
1247static unsigned max_dist_8x = 7;
1248
1249static void r600_get_sample_position(struct pipe_context *ctx,
1250				     unsigned sample_count,
1251				     unsigned sample_index,
1252				     float *out_value)
1253{
1254	int offset, index;
1255	struct {
1256		int idx:4;
1257	} val;
1258	switch (sample_count) {
1259	case 1:
1260	default:
1261		out_value[0] = out_value[1] = 0.5;
1262		break;
1263	case 2:
1264		offset = 4 * (sample_index * 2);
1265		val.idx = (sample_locs_2x[0] >> offset) & 0xf;
1266		out_value[0] = (float)(val.idx + 8) / 16.0f;
1267		val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
1268		out_value[1] = (float)(val.idx + 8) / 16.0f;
1269		break;
1270	case 4:
1271		offset = 4 * (sample_index * 2);
1272		val.idx = (sample_locs_4x[0] >> offset) & 0xf;
1273		out_value[0] = (float)(val.idx + 8) / 16.0f;
1274		val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
1275		out_value[1] = (float)(val.idx + 8) / 16.0f;
1276		break;
1277	case 8:
1278		offset = 4 * (sample_index % 4 * 2);
1279		index = (sample_index / 4);
1280		val.idx = (sample_locs_8x[index] >> offset) & 0xf;
1281		out_value[0] = (float)(val.idx + 8) / 16.0f;
1282		val.idx = (sample_locs_8x[index] >> (offset + 4)) & 0xf;
1283		out_value[1] = (float)(val.idx + 8) / 16.0f;
1284		break;
1285	}
1286}
1287
1288static void r600_emit_msaa_state(struct r600_context *rctx, int nr_samples)
1289{
1290	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1291	unsigned max_dist = 0;
1292
1293	if (rctx->b.family == CHIP_R600) {
1294		switch (nr_samples) {
1295		default:
1296			nr_samples = 0;
1297			break;
1298		case 2:
1299			radeon_set_config_reg(cs, R_008B40_PA_SC_AA_SAMPLE_LOCS_2S, sample_locs_2x[0]);
1300			max_dist = max_dist_2x;
1301			break;
1302		case 4:
1303			radeon_set_config_reg(cs, R_008B44_PA_SC_AA_SAMPLE_LOCS_4S, sample_locs_4x[0]);
1304			max_dist = max_dist_4x;
1305			break;
1306		case 8:
1307			radeon_set_config_reg_seq(cs, R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0, 2);
1308			radeon_emit(cs, sample_locs_8x[0]); /* R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0 */
1309			radeon_emit(cs, sample_locs_8x[1]); /* R_008B4C_PA_SC_AA_SAMPLE_LOCS_8S_WD1 */
1310			max_dist = max_dist_8x;
1311			break;
1312		}
1313	} else {
1314		switch (nr_samples) {
1315		default:
1316			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1317			radeon_emit(cs, 0); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1318			radeon_emit(cs, 0); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1319			nr_samples = 0;
1320			break;
1321		case 2:
1322			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1323			radeon_emit(cs, sample_locs_2x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1324			radeon_emit(cs, sample_locs_2x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1325			max_dist = max_dist_2x;
1326			break;
1327		case 4:
1328			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1329			radeon_emit(cs, sample_locs_4x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1330			radeon_emit(cs, sample_locs_4x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1331			max_dist = max_dist_4x;
1332			break;
1333		case 8:
1334			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1335			radeon_emit(cs, sample_locs_8x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1336			radeon_emit(cs, sample_locs_8x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1337			max_dist = max_dist_8x;
1338			break;
1339		}
1340	}
1341
1342	if (nr_samples > 1) {
1343		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1344		radeon_emit(cs, S_028C00_LAST_PIXEL(1) |
1345				     S_028C00_EXPAND_LINE_WIDTH(1)); /* R_028C00_PA_SC_LINE_CNTL */
1346		radeon_emit(cs, S_028C04_MSAA_NUM_SAMPLES(util_logbase2(nr_samples)) |
1347				     S_028C04_MAX_SAMPLE_DIST(max_dist)); /* R_028C04_PA_SC_AA_CONFIG */
1348	} else {
1349		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1350		radeon_emit(cs, S_028C00_LAST_PIXEL(1)); /* R_028C00_PA_SC_LINE_CNTL */
1351		radeon_emit(cs, 0); /* R_028C04_PA_SC_AA_CONFIG */
1352	}
1353}
1354
1355static void r600_emit_framebuffer_state(struct r600_context *rctx, struct r600_atom *atom)
1356{
1357	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1358	struct pipe_framebuffer_state *state = &rctx->framebuffer.state;
1359	unsigned nr_cbufs = state->nr_cbufs;
1360	struct r600_surface **cb = (struct r600_surface**)&state->cbufs[0];
1361	unsigned i, sbu = 0;
1362
1363	/* Colorbuffers. */
1364	radeon_set_context_reg_seq(cs, R_0280A0_CB_COLOR0_INFO, 8);
1365	for (i = 0; i < nr_cbufs; i++) {
1366		radeon_emit(cs, cb[i] ? cb[i]->cb_color_info : 0);
1367	}
1368	/* set CB_COLOR1_INFO for possible dual-src blending */
1369	if (i == 1 && cb[0]) {
1370		radeon_emit(cs, cb[0]->cb_color_info);
1371		i++;
1372	}
1373	for (; i < 8; i++) {
1374		radeon_emit(cs, 0);
1375	}
1376
1377	if (nr_cbufs) {
1378		for (i = 0; i < nr_cbufs; i++) {
1379			unsigned reloc;
1380
1381			if (!cb[i])
1382				continue;
1383
1384			/* COLOR_BASE */
1385			radeon_set_context_reg(cs, R_028040_CB_COLOR0_BASE + i*4, cb[i]->cb_color_base);
1386
1387			reloc = radeon_add_to_buffer_list(&rctx->b,
1388						      &rctx->b.gfx,
1389						      (struct r600_resource*)cb[i]->base.texture,
1390						      RADEON_USAGE_READWRITE,
1391						      cb[i]->base.texture->nr_samples > 1 ?
1392							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1393							      RADEON_PRIO_COLOR_BUFFER);
1394			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1395			radeon_emit(cs, reloc);
1396
1397			/* FMASK */
1398			radeon_set_context_reg(cs, R_0280E0_CB_COLOR0_FRAG + i*4, cb[i]->cb_color_fmask);
1399
1400			reloc = radeon_add_to_buffer_list(&rctx->b,
1401						      &rctx->b.gfx,
1402						      cb[i]->cb_buffer_fmask,
1403						      RADEON_USAGE_READWRITE,
1404						      cb[i]->base.texture->nr_samples > 1 ?
1405							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1406							      RADEON_PRIO_COLOR_BUFFER);
1407			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1408			radeon_emit(cs, reloc);
1409
1410			/* CMASK */
1411			radeon_set_context_reg(cs, R_0280C0_CB_COLOR0_TILE + i*4, cb[i]->cb_color_cmask);
1412
1413			reloc = radeon_add_to_buffer_list(&rctx->b,
1414						      &rctx->b.gfx,
1415						      cb[i]->cb_buffer_cmask,
1416						      RADEON_USAGE_READWRITE,
1417						      cb[i]->base.texture->nr_samples > 1 ?
1418							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1419							      RADEON_PRIO_COLOR_BUFFER);
1420			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1421			radeon_emit(cs, reloc);
1422		}
1423
1424		radeon_set_context_reg_seq(cs, R_028060_CB_COLOR0_SIZE, nr_cbufs);
1425		for (i = 0; i < nr_cbufs; i++) {
1426			radeon_emit(cs, cb[i] ? cb[i]->cb_color_size : 0);
1427		}
1428
1429		radeon_set_context_reg_seq(cs, R_028080_CB_COLOR0_VIEW, nr_cbufs);
1430		for (i = 0; i < nr_cbufs; i++) {
1431			radeon_emit(cs, cb[i] ? cb[i]->cb_color_view : 0);
1432		}
1433
1434		radeon_set_context_reg_seq(cs, R_028100_CB_COLOR0_MASK, nr_cbufs);
1435		for (i = 0; i < nr_cbufs; i++) {
1436			radeon_emit(cs, cb[i] ? cb[i]->cb_color_mask : 0);
1437		}
1438
1439		sbu |= SURFACE_BASE_UPDATE_COLOR_NUM(nr_cbufs);
1440	}
1441
1442	/* SURFACE_BASE_UPDATE */
1443	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1444		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1445		radeon_emit(cs, sbu);
1446		sbu = 0;
1447	}
1448
1449	/* Zbuffer. */
1450	if (state->zsbuf) {
1451		struct r600_surface *surf = (struct r600_surface*)state->zsbuf;
1452		unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
1453						       &rctx->b.gfx,
1454						       (struct r600_resource*)state->zsbuf->texture,
1455						       RADEON_USAGE_READWRITE,
1456						       surf->base.texture->nr_samples > 1 ?
1457							       RADEON_PRIO_DEPTH_BUFFER_MSAA :
1458							       RADEON_PRIO_DEPTH_BUFFER);
1459
1460		radeon_set_context_reg(cs, R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
1461				       surf->pa_su_poly_offset_db_fmt_cntl);
1462
1463		radeon_set_context_reg_seq(cs, R_028000_DB_DEPTH_SIZE, 2);
1464		radeon_emit(cs, surf->db_depth_size); /* R_028000_DB_DEPTH_SIZE */
1465		radeon_emit(cs, surf->db_depth_view); /* R_028004_DB_DEPTH_VIEW */
1466		radeon_set_context_reg_seq(cs, R_02800C_DB_DEPTH_BASE, 2);
1467		radeon_emit(cs, surf->db_depth_base); /* R_02800C_DB_DEPTH_BASE */
1468		radeon_emit(cs, surf->db_depth_info); /* R_028010_DB_DEPTH_INFO */
1469
1470		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1471		radeon_emit(cs, reloc);
1472
1473		radeon_set_context_reg(cs, R_028D34_DB_PREFETCH_LIMIT, surf->db_prefetch_limit);
1474
1475		sbu |= SURFACE_BASE_UPDATE_DEPTH;
1476	} else if (rctx->screen->b.info.drm_minor >= 18) {
1477		/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
1478		 * Older kernels are out of luck. */
1479		radeon_set_context_reg(cs, R_028010_DB_DEPTH_INFO, S_028010_FORMAT(V_028010_DEPTH_INVALID));
1480	}
1481
1482	/* SURFACE_BASE_UPDATE */
1483	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1484		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1485		radeon_emit(cs, sbu);
1486		sbu = 0;
1487	}
1488
1489	/* Framebuffer dimensions. */
1490	radeon_set_context_reg_seq(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL, 2);
1491	radeon_emit(cs, S_028240_TL_X(0) | S_028240_TL_Y(0) |
1492			     S_028240_WINDOW_OFFSET_DISABLE(1)); /* R_028204_PA_SC_WINDOW_SCISSOR_TL */
1493	radeon_emit(cs, S_028244_BR_X(state->width) |
1494			     S_028244_BR_Y(state->height)); /* R_028208_PA_SC_WINDOW_SCISSOR_BR */
1495
1496	if (rctx->framebuffer.is_msaa_resolve) {
1497		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL, 1);
1498	} else {
1499		/* Always enable the first colorbuffer in CB_SHADER_CONTROL. This
1500		 * will assure that the alpha-test will work even if there is
1501		 * no colorbuffer bound. */
1502		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL,
1503				       (1ull << MAX2(nr_cbufs, 1)) - 1);
1504	}
1505
1506	r600_emit_msaa_state(rctx, rctx->framebuffer.nr_samples);
1507}
1508
1509static void r600_set_min_samples(struct pipe_context *ctx, unsigned min_samples)
1510{
1511	struct r600_context *rctx = (struct r600_context *)ctx;
1512
1513	if (rctx->ps_iter_samples == min_samples)
1514		return;
1515
1516	rctx->ps_iter_samples = min_samples;
1517	if (rctx->framebuffer.nr_samples > 1) {
1518		r600_mark_atom_dirty(rctx, &rctx->rasterizer_state.atom);
1519		if (rctx->b.chip_class == R600)
1520			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1521	}
1522}
1523
1524static void r600_emit_cb_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1525{
1526	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1527	struct r600_cb_misc_state *a = (struct r600_cb_misc_state*)atom;
1528
1529	if (G_028808_SPECIAL_OP(a->cb_color_control) == V_028808_SPECIAL_RESOLVE_BOX) {
1530		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1531		if (rctx->b.chip_class == R600) {
1532			radeon_emit(cs, 0xff); /* R_028238_CB_TARGET_MASK */
1533			radeon_emit(cs, 0xff); /* R_02823C_CB_SHADER_MASK */
1534		} else {
1535			radeon_emit(cs, 0xf); /* R_028238_CB_TARGET_MASK */
1536			radeon_emit(cs, 0xf); /* R_02823C_CB_SHADER_MASK */
1537		}
1538		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL, a->cb_color_control);
1539	} else {
1540		unsigned fb_colormask = (1ULL << ((unsigned)a->nr_cbufs * 4)) - 1;
1541		unsigned ps_colormask = (1ULL << ((unsigned)a->nr_ps_color_outputs * 4)) - 1;
1542		unsigned multiwrite = a->multiwrite && a->nr_cbufs > 1;
1543
1544		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1545		radeon_emit(cs, a->blend_colormask & fb_colormask); /* R_028238_CB_TARGET_MASK */
1546		/* Always enable the first color output to make sure alpha-test works even without one. */
1547		radeon_emit(cs, 0xf | (multiwrite ? fb_colormask : ps_colormask)); /* R_02823C_CB_SHADER_MASK */
1548		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL,
1549				       a->cb_color_control |
1550				       S_028808_MULTIWRITE_ENABLE(multiwrite));
1551	}
1552}
1553
1554static void r600_emit_db_state(struct r600_context *rctx, struct r600_atom *atom)
1555{
1556	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1557	struct r600_db_state *a = (struct r600_db_state*)atom;
1558
1559	if (a->rsurf && a->rsurf->db_htile_surface) {
1560		struct r600_texture *rtex = (struct r600_texture *)a->rsurf->base.texture;
1561		unsigned reloc_idx;
1562
1563		radeon_set_context_reg(cs, R_02802C_DB_DEPTH_CLEAR, fui(rtex->depth_clear_value));
1564		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, a->rsurf->db_htile_surface);
1565		radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, a->rsurf->db_htile_data_base);
1566		reloc_idx = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rtex->htile_buffer,
1567						  RADEON_USAGE_READWRITE, RADEON_PRIO_HTILE);
1568		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1569		radeon_emit(cs, reloc_idx);
1570	} else {
1571		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, 0);
1572	}
1573}
1574
1575static void r600_emit_db_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1576{
1577	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1578	struct r600_db_misc_state *a = (struct r600_db_misc_state*)atom;
1579	unsigned db_render_control = 0;
1580	unsigned db_render_override =
1581		S_028D10_FORCE_HIS_ENABLE0(V_028D10_FORCE_DISABLE) |
1582		S_028D10_FORCE_HIS_ENABLE1(V_028D10_FORCE_DISABLE);
1583
1584	if (rctx->b.chip_class >= R700) {
1585		switch (a->ps_conservative_z) {
1586		default: /* fall through */
1587		case TGSI_FS_DEPTH_LAYOUT_ANY:
1588			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_ANY_Z);
1589			break;
1590		case TGSI_FS_DEPTH_LAYOUT_GREATER:
1591			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_GREATER_THAN_Z);
1592			break;
1593		case TGSI_FS_DEPTH_LAYOUT_LESS:
1594			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_LESS_THAN_Z);
1595			break;
1596		}
1597	}
1598
1599	if (rctx->b.num_occlusion_queries > 0 &&
1600	    !a->occlusion_queries_disabled) {
1601		if (rctx->b.chip_class >= R700) {
1602			db_render_control |= S_028D0C_R700_PERFECT_ZPASS_COUNTS(1);
1603		}
1604		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1605	} else {
1606		db_render_control |= S_028D0C_ZPASS_INCREMENT_DISABLE(1);
1607	}
1608
1609	if (rctx->db_state.rsurf && rctx->db_state.rsurf->db_htile_surface) {
1610		/* FORCE_OFF means HiZ/HiS are determined by DB_SHADER_CONTROL */
1611		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_OFF);
1612		/* This is to fix a lockup when hyperz and alpha test are enabled at
1613		 * the same time somehow GPU get confuse on which order to pick for
1614		 * z test
1615		 */
1616		if (rctx->alphatest_state.sx_alpha_test_control) {
1617			db_render_override |= S_028D10_FORCE_SHADER_Z_ORDER(1);
1618		}
1619	} else {
1620		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1621	}
1622	if (rctx->b.chip_class == R600 && rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0) {
1623		/* sample shading and hyperz causes lockups on R6xx chips */
1624		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1625	}
1626	if (a->flush_depthstencil_through_cb) {
1627		assert(a->copy_depth || a->copy_stencil);
1628
1629		db_render_control |= S_028D0C_DEPTH_COPY_ENABLE(a->copy_depth) |
1630				     S_028D0C_STENCIL_COPY_ENABLE(a->copy_stencil) |
1631				     S_028D0C_COPY_CENTROID(1) |
1632				     S_028D0C_COPY_SAMPLE(a->copy_sample);
1633
1634		if (rctx->b.chip_class == R600)
1635			db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1636
1637		if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
1638		    rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
1639			db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1640	} else if (a->flush_depth_inplace || a->flush_stencil_inplace) {
1641		db_render_control |= S_028D0C_DEPTH_COMPRESS_DISABLE(a->flush_depth_inplace) |
1642				     S_028D0C_STENCIL_COMPRESS_DISABLE(a->flush_stencil_inplace);
1643		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1644	}
1645	if (a->htile_clear) {
1646		db_render_control |= S_028D0C_DEPTH_CLEAR_ENABLE(1);
1647	}
1648
1649	/* RV770 workaround for a hang with 8x MSAA. */
1650	if (rctx->b.family == CHIP_RV770 && a->log_samples == 3) {
1651		db_render_override |= S_028D10_MAX_TILES_IN_DTT(6);
1652	}
1653
1654	radeon_set_context_reg_seq(cs, R_028D0C_DB_RENDER_CONTROL, 2);
1655	radeon_emit(cs, db_render_control); /* R_028D0C_DB_RENDER_CONTROL */
1656	radeon_emit(cs, db_render_override); /* R_028D10_DB_RENDER_OVERRIDE */
1657	radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, a->db_shader_control);
1658}
1659
1660static void r600_emit_config_state(struct r600_context *rctx, struct r600_atom *atom)
1661{
1662	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1663	struct r600_config_state *a = (struct r600_config_state*)atom;
1664
1665	radeon_set_config_reg(cs, R_008C04_SQ_GPR_RESOURCE_MGMT_1, a->sq_gpr_resource_mgmt_1);
1666	radeon_set_config_reg(cs, R_008C08_SQ_GPR_RESOURCE_MGMT_2, a->sq_gpr_resource_mgmt_2);
1667}
1668
1669static void r600_emit_vertex_buffers(struct r600_context *rctx, struct r600_atom *atom)
1670{
1671	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1672	uint32_t dirty_mask = rctx->vertex_buffer_state.dirty_mask;
1673
1674	while (dirty_mask) {
1675		struct pipe_vertex_buffer *vb;
1676		struct r600_resource *rbuffer;
1677		unsigned offset;
1678		unsigned buffer_index = u_bit_scan(&dirty_mask);
1679
1680		vb = &rctx->vertex_buffer_state.vb[buffer_index];
1681		rbuffer = (struct r600_resource*)vb->buffer;
1682		assert(rbuffer);
1683
1684		offset = vb->buffer_offset;
1685
1686		/* fetch resources start at index 320 (OFFSET_FS) */
1687		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1688		radeon_emit(cs, (R600_FETCH_CONSTANTS_OFFSET_FS + buffer_index) * 7);
1689		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1690		radeon_emit(cs, rbuffer->b.b.width0 - offset - 1); /* RESOURCEi_WORD1 */
1691		radeon_emit(cs, /* RESOURCEi_WORD2 */
1692				 S_038008_ENDIAN_SWAP(r600_endian_swap(32)) |
1693				 S_038008_STRIDE(vb->stride));
1694		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1695		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1696		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1697		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1698
1699		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1700		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1701						      RADEON_USAGE_READ, RADEON_PRIO_VERTEX_BUFFER));
1702	}
1703}
1704
1705static void r600_emit_constant_buffers(struct r600_context *rctx,
1706				       struct r600_constbuf_state *state,
1707				       unsigned buffer_id_base,
1708				       unsigned reg_alu_constbuf_size,
1709				       unsigned reg_alu_const_cache)
1710{
1711	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1712	uint32_t dirty_mask = state->dirty_mask;
1713
1714	while (dirty_mask) {
1715		struct pipe_constant_buffer *cb;
1716		struct r600_resource *rbuffer;
1717		unsigned offset;
1718		unsigned buffer_index = ffs(dirty_mask) - 1;
1719		unsigned gs_ring_buffer = (buffer_index == R600_GS_RING_CONST_BUFFER);
1720		cb = &state->cb[buffer_index];
1721		rbuffer = (struct r600_resource*)cb->buffer;
1722		assert(rbuffer);
1723
1724		offset = cb->buffer_offset;
1725
1726		if (!gs_ring_buffer) {
1727			radeon_set_context_reg(cs, reg_alu_constbuf_size + buffer_index * 4,
1728					       DIV_ROUND_UP(cb->buffer_size, 256));
1729			radeon_set_context_reg(cs, reg_alu_const_cache + buffer_index * 4, offset >> 8);
1730		}
1731
1732		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1733		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1734						      RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER));
1735
1736		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1737		radeon_emit(cs, (buffer_id_base + buffer_index) * 7);
1738		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1739		radeon_emit(cs, rbuffer->b.b.width0 - offset - 1); /* RESOURCEi_WORD1 */
1740		radeon_emit(cs, /* RESOURCEi_WORD2 */
1741			    S_038008_ENDIAN_SWAP(gs_ring_buffer ? ENDIAN_NONE : r600_endian_swap(32)) |
1742			    S_038008_STRIDE(gs_ring_buffer ? 4 : 16));
1743		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1744		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1745		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1746		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1747
1748		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1749		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1750						      RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER));
1751
1752		dirty_mask &= ~(1 << buffer_index);
1753	}
1754	state->dirty_mask = 0;
1755}
1756
1757static void r600_emit_vs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1758{
1759	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX],
1760				   R600_FETCH_CONSTANTS_OFFSET_VS,
1761				   R_028180_ALU_CONST_BUFFER_SIZE_VS_0,
1762				   R_028980_ALU_CONST_CACHE_VS_0);
1763}
1764
1765static void r600_emit_gs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1766{
1767	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY],
1768				   R600_FETCH_CONSTANTS_OFFSET_GS,
1769				   R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0,
1770				   R_0289C0_ALU_CONST_CACHE_GS_0);
1771}
1772
1773static void r600_emit_ps_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1774{
1775	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT],
1776				   R600_FETCH_CONSTANTS_OFFSET_PS,
1777				   R_028140_ALU_CONST_BUFFER_SIZE_PS_0,
1778				   R_028940_ALU_CONST_CACHE_PS_0);
1779}
1780
1781static void r600_emit_sampler_views(struct r600_context *rctx,
1782				    struct r600_samplerview_state *state,
1783				    unsigned resource_id_base)
1784{
1785	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1786	uint32_t dirty_mask = state->dirty_mask;
1787
1788	while (dirty_mask) {
1789		struct r600_pipe_sampler_view *rview;
1790		unsigned resource_index = u_bit_scan(&dirty_mask);
1791		unsigned reloc;
1792
1793		rview = state->views[resource_index];
1794		assert(rview);
1795
1796		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1797		radeon_emit(cs, (resource_id_base + resource_index) * 7);
1798		radeon_emit_array(cs, rview->tex_resource_words, 7);
1799
1800		reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rview->tex_resource,
1801					      RADEON_USAGE_READ,
1802					      r600_get_sampler_view_priority(rview->tex_resource));
1803		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1804		radeon_emit(cs, reloc);
1805		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1806		radeon_emit(cs, reloc);
1807	}
1808	state->dirty_mask = 0;
1809}
1810
1811
1812static void r600_emit_vs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1813{
1814	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views, R600_FETCH_CONSTANTS_OFFSET_VS + R600_MAX_CONST_BUFFERS);
1815}
1816
1817static void r600_emit_gs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1818{
1819	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views, R600_FETCH_CONSTANTS_OFFSET_GS + R600_MAX_CONST_BUFFERS);
1820}
1821
1822static void r600_emit_ps_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1823{
1824	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views, R600_FETCH_CONSTANTS_OFFSET_PS + R600_MAX_CONST_BUFFERS);
1825}
1826
1827static void r600_emit_sampler_states(struct r600_context *rctx,
1828				struct r600_textures_info *texinfo,
1829				unsigned resource_id_base,
1830				unsigned border_color_reg)
1831{
1832	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1833	uint32_t dirty_mask = texinfo->states.dirty_mask;
1834
1835	while (dirty_mask) {
1836		struct r600_pipe_sampler_state *rstate;
1837		struct r600_pipe_sampler_view *rview;
1838		unsigned i = u_bit_scan(&dirty_mask);
1839
1840		rstate = texinfo->states.states[i];
1841		assert(rstate);
1842		rview = texinfo->views.views[i];
1843
1844		/* TEX_ARRAY_OVERRIDE must be set for array textures to disable
1845		 * filtering between layers.
1846		 * Don't update TEX_ARRAY_OVERRIDE if we don't have the sampler view.
1847		 */
1848		if (rview) {
1849			enum pipe_texture_target target = rview->base.texture->target;
1850			if (target == PIPE_TEXTURE_1D_ARRAY ||
1851			    target == PIPE_TEXTURE_2D_ARRAY) {
1852				rstate->tex_sampler_words[0] |= S_03C000_TEX_ARRAY_OVERRIDE(1);
1853				texinfo->is_array_sampler[i] = true;
1854			} else {
1855				rstate->tex_sampler_words[0] &= C_03C000_TEX_ARRAY_OVERRIDE;
1856				texinfo->is_array_sampler[i] = false;
1857			}
1858		}
1859
1860		radeon_emit(cs, PKT3(PKT3_SET_SAMPLER, 3, 0));
1861		radeon_emit(cs, (resource_id_base + i) * 3);
1862		radeon_emit_array(cs, rstate->tex_sampler_words, 3);
1863
1864		if (rstate->border_color_use) {
1865			unsigned offset;
1866
1867			offset = border_color_reg;
1868			offset += i * 16;
1869			radeon_set_config_reg_seq(cs, offset, 4);
1870			radeon_emit_array(cs, rstate->border_color.ui, 4);
1871		}
1872	}
1873	texinfo->states.dirty_mask = 0;
1874}
1875
1876static void r600_emit_vs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1877{
1878	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_VERTEX], 18, R_00A600_TD_VS_SAMPLER0_BORDER_RED);
1879}
1880
1881static void r600_emit_gs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1882{
1883	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY], 36, R_00A800_TD_GS_SAMPLER0_BORDER_RED);
1884}
1885
1886static void r600_emit_ps_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1887{
1888	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT], 0, R_00A400_TD_PS_SAMPLER0_BORDER_RED);
1889}
1890
1891static void r600_emit_seamless_cube_map(struct r600_context *rctx, struct r600_atom *atom)
1892{
1893	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1894	unsigned tmp;
1895
1896	tmp = S_009508_DISABLE_CUBE_ANISO(1) |
1897		S_009508_SYNC_GRADIENT(1) |
1898		S_009508_SYNC_WALKER(1) |
1899		S_009508_SYNC_ALIGNER(1);
1900	if (!rctx->seamless_cube_map.enabled) {
1901		tmp |= S_009508_DISABLE_CUBE_WRAP(1);
1902	}
1903	radeon_set_config_reg(cs, R_009508_TA_CNTL_AUX, tmp);
1904}
1905
1906static void r600_emit_sample_mask(struct r600_context *rctx, struct r600_atom *a)
1907{
1908	struct r600_sample_mask *s = (struct r600_sample_mask*)a;
1909	uint8_t mask = s->sample_mask;
1910
1911	radeon_set_context_reg(rctx->b.gfx.cs, R_028C48_PA_SC_AA_MASK,
1912			       mask | (mask << 8) | (mask << 16) | (mask << 24));
1913}
1914
1915static void r600_emit_vertex_fetch_shader(struct r600_context *rctx, struct r600_atom *a)
1916{
1917	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1918	struct r600_cso_state *state = (struct r600_cso_state*)a;
1919	struct r600_fetch_shader *shader = (struct r600_fetch_shader*)state->cso;
1920
1921	radeon_set_context_reg(cs, R_028894_SQ_PGM_START_FS, shader->offset >> 8);
1922	radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1923	radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, shader->buffer,
1924                                                  RADEON_USAGE_READ,
1925                                                  RADEON_PRIO_INTERNAL_SHADER));
1926}
1927
1928static void r600_emit_shader_stages(struct r600_context *rctx, struct r600_atom *a)
1929{
1930	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1931	struct r600_shader_stages_state *state = (struct r600_shader_stages_state*)a;
1932
1933	uint32_t v2 = 0, primid = 0;
1934
1935	if (rctx->vs_shader->current->shader.vs_as_gs_a) {
1936		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
1937		primid = 1;
1938	}
1939
1940	if (state->geom_enable) {
1941		uint32_t cut_val;
1942
1943		if (rctx->gs_shader->gs_max_out_vertices <= 128)
1944			cut_val = V_028A40_GS_CUT_128;
1945		else if (rctx->gs_shader->gs_max_out_vertices <= 256)
1946			cut_val = V_028A40_GS_CUT_256;
1947		else if (rctx->gs_shader->gs_max_out_vertices <= 512)
1948			cut_val = V_028A40_GS_CUT_512;
1949		else
1950			cut_val = V_028A40_GS_CUT_1024;
1951
1952		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
1953			S_028A40_CUT_MODE(cut_val);
1954
1955		if (rctx->gs_shader->current->shader.gs_prim_id_input)
1956			primid = 1;
1957	}
1958
1959	radeon_set_context_reg(cs, R_028A40_VGT_GS_MODE, v2);
1960	radeon_set_context_reg(cs, R_028A84_VGT_PRIMITIVEID_EN, primid);
1961}
1962
1963static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
1964{
1965	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1966	struct r600_gs_rings_state *state = (struct r600_gs_rings_state*)a;
1967	struct r600_resource *rbuffer;
1968
1969	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1970	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1971	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1972
1973	if (state->enable) {
1974		rbuffer =(struct r600_resource*)state->esgs_ring.buffer;
1975		radeon_set_config_reg(cs, R_008C40_SQ_ESGS_RING_BASE, 0);
1976		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1977		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1978						      RADEON_USAGE_READWRITE,
1979						      RADEON_PRIO_RINGS_STREAMOUT));
1980		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE,
1981				state->esgs_ring.buffer_size >> 8);
1982
1983		rbuffer =(struct r600_resource*)state->gsvs_ring.buffer;
1984		radeon_set_config_reg(cs, R_008C48_SQ_GSVS_RING_BASE, 0);
1985		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1986		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1987						      RADEON_USAGE_READWRITE,
1988						      RADEON_PRIO_RINGS_STREAMOUT));
1989		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE,
1990				state->gsvs_ring.buffer_size >> 8);
1991	} else {
1992		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE, 0);
1993		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE, 0);
1994	}
1995
1996	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1997	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1998	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1999}
2000
2001/* Adjust GPR allocation on R6xx/R7xx */
2002bool r600_adjust_gprs(struct r600_context *rctx)
2003{
2004	unsigned num_gprs[R600_NUM_HW_STAGES];
2005	unsigned new_gprs[R600_NUM_HW_STAGES];
2006	unsigned cur_gprs[R600_NUM_HW_STAGES];
2007	unsigned def_gprs[R600_NUM_HW_STAGES];
2008	unsigned def_num_clause_temp_gprs = rctx->r6xx_num_clause_temp_gprs;
2009	unsigned max_gprs;
2010	unsigned tmp, tmp2;
2011	unsigned i;
2012	bool need_recalc = false, use_default = true;
2013
2014	/* hardware will reserve twice num_clause_temp_gprs */
2015	max_gprs = def_num_clause_temp_gprs * 2;
2016	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2017		def_gprs[i] = rctx->default_gprs[i];
2018		max_gprs += def_gprs[i];
2019	}
2020
2021	cur_gprs[R600_HW_STAGE_PS] = G_008C04_NUM_PS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2022	cur_gprs[R600_HW_STAGE_VS] = G_008C04_NUM_VS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2023	cur_gprs[R600_HW_STAGE_GS] = G_008C08_NUM_GS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2024	cur_gprs[R600_HW_STAGE_ES] = G_008C08_NUM_ES_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2025
2026	num_gprs[R600_HW_STAGE_PS] = rctx->ps_shader->current->shader.bc.ngpr;
2027	if (rctx->gs_shader) {
2028		num_gprs[R600_HW_STAGE_ES] = rctx->vs_shader->current->shader.bc.ngpr;
2029		num_gprs[R600_HW_STAGE_GS] = rctx->gs_shader->current->shader.bc.ngpr;
2030		num_gprs[R600_HW_STAGE_VS] = rctx->gs_shader->current->gs_copy_shader->shader.bc.ngpr;
2031	} else {
2032		num_gprs[R600_HW_STAGE_ES] = 0;
2033		num_gprs[R600_HW_STAGE_GS] = 0;
2034		num_gprs[R600_HW_STAGE_VS] = rctx->vs_shader->current->shader.bc.ngpr;
2035	}
2036
2037	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2038		new_gprs[i] = num_gprs[i];
2039		if (new_gprs[i] > cur_gprs[i])
2040			need_recalc = true;
2041		if (new_gprs[i] > def_gprs[i])
2042			use_default = false;
2043	}
2044
2045	/* the sum of all SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS must <= to max_gprs */
2046	if (!need_recalc)
2047		return true;
2048
2049	/* try to use switch back to default */
2050	if (!use_default) {
2051		/* always privilege vs stage so that at worst we have the
2052		 * pixel stage producing wrong output (not the vertex
2053		 * stage) */
2054		new_gprs[R600_HW_STAGE_PS] = max_gprs - def_num_clause_temp_gprs * 2;
2055		for (i = R600_HW_STAGE_VS; i < R600_NUM_HW_STAGES; i++)
2056			new_gprs[R600_HW_STAGE_PS] -= new_gprs[i];
2057	} else {
2058		for (i = 0; i < R600_NUM_HW_STAGES; i++)
2059			new_gprs[i] = def_gprs[i];
2060	}
2061
2062	/* SQ_PGM_RESOURCES_*.NUM_GPRS must always be program to a value <=
2063	 * SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS otherwise the GPU will lockup
2064	 * Also if a shader use more gpr than SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS
2065	 * it will lockup. So in this case just discard the draw command
2066	 * and don't change the current gprs repartitions.
2067	 */
2068	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2069		if (num_gprs[i] > new_gprs[i]) {
2070			R600_ERR("shaders require too many register (%d + %d + %d + %d) "
2071				 "for a combined maximum of %d\n",
2072				 num_gprs[R600_HW_STAGE_PS], num_gprs[R600_HW_STAGE_VS], num_gprs[R600_HW_STAGE_ES], num_gprs[R600_HW_STAGE_GS], max_gprs);
2073			return false;
2074		}
2075	}
2076
2077	/* in some case we endup recomputing the current value */
2078	tmp = S_008C04_NUM_PS_GPRS(new_gprs[R600_HW_STAGE_PS]) |
2079		S_008C04_NUM_VS_GPRS(new_gprs[R600_HW_STAGE_VS]) |
2080		S_008C04_NUM_CLAUSE_TEMP_GPRS(def_num_clause_temp_gprs);
2081
2082	tmp2 = S_008C08_NUM_ES_GPRS(new_gprs[R600_HW_STAGE_ES]) |
2083		S_008C08_NUM_GS_GPRS(new_gprs[R600_HW_STAGE_GS]);
2084	if (rctx->config_state.sq_gpr_resource_mgmt_1 != tmp || rctx->config_state.sq_gpr_resource_mgmt_2 != tmp2) {
2085		rctx->config_state.sq_gpr_resource_mgmt_1 = tmp;
2086		rctx->config_state.sq_gpr_resource_mgmt_2 = tmp2;
2087		r600_mark_atom_dirty(rctx, &rctx->config_state.atom);
2088		rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE;
2089	}
2090	return true;
2091}
2092
2093void r600_init_atom_start_cs(struct r600_context *rctx)
2094{
2095	int ps_prio;
2096	int vs_prio;
2097	int gs_prio;
2098	int es_prio;
2099	int num_ps_gprs;
2100	int num_vs_gprs;
2101	int num_gs_gprs;
2102	int num_es_gprs;
2103	int num_temp_gprs;
2104	int num_ps_threads;
2105	int num_vs_threads;
2106	int num_gs_threads;
2107	int num_es_threads;
2108	int num_ps_stack_entries;
2109	int num_vs_stack_entries;
2110	int num_gs_stack_entries;
2111	int num_es_stack_entries;
2112	enum radeon_family family;
2113	struct r600_command_buffer *cb = &rctx->start_cs_cmd;
2114	uint32_t tmp, i;
2115
2116	r600_init_command_buffer(cb, 256);
2117
2118	/* R6xx requires this packet at the start of each command buffer */
2119	if (rctx->b.chip_class == R600) {
2120		r600_store_value(cb, PKT3(PKT3_START_3D_CMDBUF, 0, 0));
2121		r600_store_value(cb, 0);
2122	}
2123	/* All asics require this one */
2124	r600_store_value(cb, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
2125	r600_store_value(cb, 0x80000000);
2126	r600_store_value(cb, 0x80000000);
2127
2128	/* We're setting config registers here. */
2129	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2130	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
2131
2132	/* This enables pipeline stat & streamout queries.
2133	 * They are only disabled by blits.
2134	 */
2135	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2136	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PIPELINESTAT_START) | EVENT_INDEX(0));
2137
2138	family = rctx->b.family;
2139	ps_prio = 0;
2140	vs_prio = 1;
2141	gs_prio = 2;
2142	es_prio = 3;
2143	switch (family) {
2144	case CHIP_R600:
2145		num_ps_gprs = 192;
2146		num_vs_gprs = 56;
2147		num_temp_gprs = 4;
2148		num_gs_gprs = 0;
2149		num_es_gprs = 0;
2150		num_ps_threads = 136;
2151		num_vs_threads = 48;
2152		num_gs_threads = 4;
2153		num_es_threads = 4;
2154		num_ps_stack_entries = 128;
2155		num_vs_stack_entries = 128;
2156		num_gs_stack_entries = 0;
2157		num_es_stack_entries = 0;
2158		break;
2159	case CHIP_RV630:
2160	case CHIP_RV635:
2161		num_ps_gprs = 84;
2162		num_vs_gprs = 36;
2163		num_temp_gprs = 4;
2164		num_gs_gprs = 0;
2165		num_es_gprs = 0;
2166		num_ps_threads = 144;
2167		num_vs_threads = 40;
2168		num_gs_threads = 4;
2169		num_es_threads = 4;
2170		num_ps_stack_entries = 40;
2171		num_vs_stack_entries = 40;
2172		num_gs_stack_entries = 32;
2173		num_es_stack_entries = 16;
2174		break;
2175	case CHIP_RV610:
2176	case CHIP_RV620:
2177	case CHIP_RS780:
2178	case CHIP_RS880:
2179	default:
2180		num_ps_gprs = 84;
2181		num_vs_gprs = 36;
2182		num_temp_gprs = 4;
2183		num_gs_gprs = 0;
2184		num_es_gprs = 0;
2185		/* use limits 40 VS and at least 16 ES/GS */
2186		num_ps_threads = 120;
2187		num_vs_threads = 40;
2188		num_gs_threads = 16;
2189		num_es_threads = 16;
2190		num_ps_stack_entries = 40;
2191		num_vs_stack_entries = 40;
2192		num_gs_stack_entries = 32;
2193		num_es_stack_entries = 16;
2194		break;
2195	case CHIP_RV670:
2196		num_ps_gprs = 144;
2197		num_vs_gprs = 40;
2198		num_temp_gprs = 4;
2199		num_gs_gprs = 0;
2200		num_es_gprs = 0;
2201		num_ps_threads = 136;
2202		num_vs_threads = 48;
2203		num_gs_threads = 4;
2204		num_es_threads = 4;
2205		num_ps_stack_entries = 40;
2206		num_vs_stack_entries = 40;
2207		num_gs_stack_entries = 32;
2208		num_es_stack_entries = 16;
2209		break;
2210	case CHIP_RV770:
2211		num_ps_gprs = 130;
2212		num_vs_gprs = 56;
2213		num_temp_gprs = 4;
2214		num_gs_gprs = 31;
2215		num_es_gprs = 31;
2216		num_ps_threads = 180;
2217		num_vs_threads = 60;
2218		num_gs_threads = 4;
2219		num_es_threads = 4;
2220		num_ps_stack_entries = 128;
2221		num_vs_stack_entries = 128;
2222		num_gs_stack_entries = 128;
2223		num_es_stack_entries = 128;
2224		break;
2225	case CHIP_RV730:
2226	case CHIP_RV740:
2227		num_ps_gprs = 84;
2228		num_vs_gprs = 36;
2229		num_temp_gprs = 4;
2230		num_gs_gprs = 0;
2231		num_es_gprs = 0;
2232		num_ps_threads = 180;
2233		num_vs_threads = 60;
2234		num_gs_threads = 4;
2235		num_es_threads = 4;
2236		num_ps_stack_entries = 128;
2237		num_vs_stack_entries = 128;
2238		num_gs_stack_entries = 0;
2239		num_es_stack_entries = 0;
2240		break;
2241	case CHIP_RV710:
2242		num_ps_gprs = 192;
2243		num_vs_gprs = 56;
2244		num_temp_gprs = 4;
2245		num_gs_gprs = 0;
2246		num_es_gprs = 0;
2247		num_ps_threads = 136;
2248		num_vs_threads = 48;
2249		num_gs_threads = 4;
2250		num_es_threads = 4;
2251		num_ps_stack_entries = 128;
2252		num_vs_stack_entries = 128;
2253		num_gs_stack_entries = 0;
2254		num_es_stack_entries = 0;
2255		break;
2256	}
2257
2258	rctx->default_gprs[R600_HW_STAGE_PS] = num_ps_gprs;
2259	rctx->default_gprs[R600_HW_STAGE_VS] = num_vs_gprs;
2260	rctx->default_gprs[R600_HW_STAGE_GS] = 0;
2261	rctx->default_gprs[R600_HW_STAGE_ES] = 0;
2262
2263	rctx->r6xx_num_clause_temp_gprs = num_temp_gprs;
2264
2265	/* SQ_CONFIG */
2266	tmp = 0;
2267	switch (family) {
2268	case CHIP_RV610:
2269	case CHIP_RV620:
2270	case CHIP_RS780:
2271	case CHIP_RS880:
2272	case CHIP_RV710:
2273		break;
2274	default:
2275		tmp |= S_008C00_VC_ENABLE(1);
2276		break;
2277	}
2278	tmp |= S_008C00_DX9_CONSTS(0);
2279	tmp |= S_008C00_ALU_INST_PREFER_VECTOR(1);
2280	tmp |= S_008C00_PS_PRIO(ps_prio);
2281	tmp |= S_008C00_VS_PRIO(vs_prio);
2282	tmp |= S_008C00_GS_PRIO(gs_prio);
2283	tmp |= S_008C00_ES_PRIO(es_prio);
2284	r600_store_config_reg(cb, R_008C00_SQ_CONFIG, tmp);
2285
2286	/* SQ_GPR_RESOURCE_MGMT_2 */
2287	tmp = S_008C08_NUM_GS_GPRS(num_gs_gprs);
2288	tmp |= S_008C08_NUM_ES_GPRS(num_es_gprs);
2289	r600_store_config_reg_seq(cb, R_008C08_SQ_GPR_RESOURCE_MGMT_2, 4);
2290	r600_store_value(cb, tmp);
2291
2292	/* SQ_THREAD_RESOURCE_MGMT */
2293	tmp = S_008C0C_NUM_PS_THREADS(num_ps_threads);
2294	tmp |= S_008C0C_NUM_VS_THREADS(num_vs_threads);
2295	tmp |= S_008C0C_NUM_GS_THREADS(num_gs_threads);
2296	tmp |= S_008C0C_NUM_ES_THREADS(num_es_threads);
2297	r600_store_value(cb, tmp); /* R_008C0C_SQ_THREAD_RESOURCE_MGMT */
2298
2299	/* SQ_STACK_RESOURCE_MGMT_1 */
2300	tmp = S_008C10_NUM_PS_STACK_ENTRIES(num_ps_stack_entries);
2301	tmp |= S_008C10_NUM_VS_STACK_ENTRIES(num_vs_stack_entries);
2302	r600_store_value(cb, tmp); /* R_008C10_SQ_STACK_RESOURCE_MGMT_1 */
2303
2304	/* SQ_STACK_RESOURCE_MGMT_2 */
2305	tmp = S_008C14_NUM_GS_STACK_ENTRIES(num_gs_stack_entries);
2306	tmp |= S_008C14_NUM_ES_STACK_ENTRIES(num_es_stack_entries);
2307	r600_store_value(cb, tmp); /* R_008C14_SQ_STACK_RESOURCE_MGMT_2 */
2308
2309	r600_store_config_reg(cb, R_009714_VC_ENHANCE, 0);
2310
2311	if (rctx->b.chip_class >= R700) {
2312		r600_store_context_reg(cb, R_028A50_VGT_ENHANCE, 4);
2313		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0x00004000);
2314		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0);
2315		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x00420204);
2316		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 0);
2317	} else {
2318		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2319		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0x82000000);
2320		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x01020204);
2321		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 1);
2322	}
2323	r600_store_context_reg_seq(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE, 9);
2324	r600_store_value(cb, 0); /* R_0288A8_SQ_ESGS_RING_ITEMSIZE */
2325	r600_store_value(cb, 0); /* R_0288AC_SQ_GSVS_RING_ITEMSIZE */
2326	r600_store_value(cb, 0); /* R_0288B0_SQ_ESTMP_RING_ITEMSIZE */
2327	r600_store_value(cb, 0); /* R_0288B4_SQ_GSTMP_RING_ITEMSIZE */
2328	r600_store_value(cb, 0); /* R_0288B8_SQ_VSTMP_RING_ITEMSIZE */
2329	r600_store_value(cb, 0); /* R_0288BC_SQ_PSTMP_RING_ITEMSIZE */
2330	r600_store_value(cb, 0); /* R_0288C0_SQ_FBUF_RING_ITEMSIZE */
2331	r600_store_value(cb, 0); /* R_0288C4_SQ_REDUC_RING_ITEMSIZE */
2332	r600_store_value(cb, 0); /* R_0288C8_SQ_GS_VERT_ITEMSIZE */
2333
2334	/* to avoid GPU doing any preloading of constant from random address */
2335	r600_store_context_reg_seq(cb, R_028140_ALU_CONST_BUFFER_SIZE_PS_0, 16);
2336	for (i = 0; i < 16; i++)
2337		r600_store_value(cb, 0);
2338
2339	r600_store_context_reg_seq(cb, R_028180_ALU_CONST_BUFFER_SIZE_VS_0, 16);
2340	for (i = 0; i < 16; i++)
2341		r600_store_value(cb, 0);
2342
2343	r600_store_context_reg_seq(cb, R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0, 16);
2344	for (i = 0; i < 16; i++)
2345		r600_store_value(cb, 0);
2346
2347	r600_store_context_reg_seq(cb, R_028A10_VGT_OUTPUT_PATH_CNTL, 13);
2348	r600_store_value(cb, 0); /* R_028A10_VGT_OUTPUT_PATH_CNTL */
2349	r600_store_value(cb, 0); /* R_028A14_VGT_HOS_CNTL */
2350	r600_store_value(cb, 0); /* R_028A18_VGT_HOS_MAX_TESS_LEVEL */
2351	r600_store_value(cb, 0); /* R_028A1C_VGT_HOS_MIN_TESS_LEVEL */
2352	r600_store_value(cb, 0); /* R_028A20_VGT_HOS_REUSE_DEPTH */
2353	r600_store_value(cb, 0); /* R_028A24_VGT_GROUP_PRIM_TYPE */
2354	r600_store_value(cb, 0); /* R_028A28_VGT_GROUP_FIRST_DECR */
2355	r600_store_value(cb, 0); /* R_028A2C_VGT_GROUP_DECR */
2356	r600_store_value(cb, 0); /* R_028A30_VGT_GROUP_VECT_0_CNTL */
2357	r600_store_value(cb, 0); /* R_028A34_VGT_GROUP_VECT_1_CNTL */
2358	r600_store_value(cb, 0); /* R_028A38_VGT_GROUP_VECT_0_FMT_CNTL */
2359	r600_store_value(cb, 0); /* R_028A3C_VGT_GROUP_VECT_1_FMT_CNTL */
2360	r600_store_value(cb, 0); /* R_028A40_VGT_GS_MODE, 0); */
2361
2362	r600_store_context_reg(cb, R_028A84_VGT_PRIMITIVEID_EN, 0);
2363	r600_store_context_reg(cb, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 0);
2364	r600_store_context_reg(cb, R_028AA4_VGT_INSTANCE_STEP_RATE_1, 0);
2365
2366	r600_store_context_reg_seq(cb, R_028AB4_VGT_REUSE_OFF, 2);
2367	r600_store_value(cb, 1); /* R_028AB4_VGT_REUSE_OFF */
2368	r600_store_value(cb, 0); /* R_028AB8_VGT_VTX_CNT_EN */
2369
2370	r600_store_context_reg(cb, R_028B20_VGT_STRMOUT_BUFFER_EN, 0);
2371
2372	r600_store_ctl_const(cb, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0);
2373
2374	r600_store_context_reg(cb, R_028028_DB_STENCIL_CLEAR, 0);
2375
2376	r600_store_context_reg_seq(cb, R_0286DC_SPI_FOG_CNTL, 3);
2377	r600_store_value(cb, 0); /* R_0286DC_SPI_FOG_CNTL */
2378	r600_store_value(cb, 0); /* R_0286E0_SPI_FOG_FUNC_SCALE */
2379	r600_store_value(cb, 0); /* R_0286E4_SPI_FOG_FUNC_BIAS */
2380
2381	r600_store_context_reg_seq(cb, R_028D28_DB_SRESULTS_COMPARE_STATE0, 3);
2382	r600_store_value(cb, 0); /* R_028D28_DB_SRESULTS_COMPARE_STATE0 */
2383	r600_store_value(cb, 0); /* R_028D2C_DB_SRESULTS_COMPARE_STATE1 */
2384	r600_store_value(cb, 0); /* R_028D30_DB_PRELOAD_CONTROL */
2385
2386	r600_store_context_reg(cb, R_028820_PA_CL_NANINF_CNTL, 0);
2387	r600_store_context_reg(cb, R_028A48_PA_SC_MPASS_PS_CNTL, 0);
2388
2389	r600_store_context_reg_seq(cb, R_0282D0_PA_SC_VPORT_ZMIN_0, 2 * R600_MAX_VIEWPORTS);
2390	for (tmp = 0; tmp < R600_MAX_VIEWPORTS; tmp++) {
2391		r600_store_value(cb, 0); /* R_0282D0_PA_SC_VPORT_ZMIN_0 */
2392		r600_store_value(cb, fui(1.0)); /* R_0282D4_PA_SC_VPORT_ZMAX_0 */
2393	}
2394
2395	r600_store_context_reg(cb, R_028200_PA_SC_WINDOW_OFFSET, 0);
2396	r600_store_context_reg(cb, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF);
2397
2398	if (rctx->b.chip_class >= R700) {
2399		r600_store_context_reg(cb, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
2400	}
2401
2402	r600_store_context_reg_seq(cb, R_028C30_CB_CLRCMP_CONTROL, 4);
2403	r600_store_value(cb, 0x1000000);  /* R_028C30_CB_CLRCMP_CONTROL */
2404	r600_store_value(cb, 0);          /* R_028C34_CB_CLRCMP_SRC */
2405	r600_store_value(cb, 0xFF);       /* R_028C38_CB_CLRCMP_DST */
2406	r600_store_value(cb, 0xFFFFFFFF); /* R_028C3C_CB_CLRCMP_MSK */
2407
2408	r600_store_context_reg_seq(cb, R_028030_PA_SC_SCREEN_SCISSOR_TL, 2);
2409	r600_store_value(cb, 0); /* R_028030_PA_SC_SCREEN_SCISSOR_TL */
2410	r600_store_value(cb, S_028034_BR_X(8192) | S_028034_BR_Y(8192)); /* R_028034_PA_SC_SCREEN_SCISSOR_BR */
2411
2412	r600_store_context_reg_seq(cb, R_028240_PA_SC_GENERIC_SCISSOR_TL, 2);
2413	r600_store_value(cb, 0); /* R_028240_PA_SC_GENERIC_SCISSOR_TL */
2414	r600_store_value(cb, S_028244_BR_X(8192) | S_028244_BR_Y(8192)); /* R_028244_PA_SC_GENERIC_SCISSOR_BR */
2415
2416	r600_store_context_reg_seq(cb, R_0288CC_SQ_PGM_CF_OFFSET_PS, 5);
2417	r600_store_value(cb, 0); /* R_0288CC_SQ_PGM_CF_OFFSET_PS */
2418	r600_store_value(cb, 0); /* R_0288D0_SQ_PGM_CF_OFFSET_VS */
2419	r600_store_value(cb, 0); /* R_0288D4_SQ_PGM_CF_OFFSET_GS */
2420	r600_store_value(cb, 0); /* R_0288D8_SQ_PGM_CF_OFFSET_ES */
2421	r600_store_value(cb, 0); /* R_0288DC_SQ_PGM_CF_OFFSET_FS */
2422
2423        r600_store_context_reg(cb, R_0288E0_SQ_VTX_SEMANTIC_CLEAR, ~0);
2424
2425        r600_store_context_reg_seq(cb, R_028400_VGT_MAX_VTX_INDX, 2);
2426	r600_store_value(cb, ~0); /* R_028400_VGT_MAX_VTX_INDX */
2427	r600_store_value(cb, 0); /* R_028404_VGT_MIN_VTX_INDX */
2428
2429	r600_store_context_reg(cb, R_0288A4_SQ_PGM_RESOURCES_FS, 0);
2430
2431	if (rctx->b.chip_class == R700)
2432		r600_store_context_reg(cb, R_028350_SX_MISC, 0);
2433	if (rctx->b.chip_class == R700 && rctx->screen->b.has_streamout)
2434		r600_store_context_reg(cb, R_028354_SX_SURFACE_SYNC, S_028354_SURFACE_SYNC_MASK(0xf));
2435
2436	r600_store_context_reg(cb, R_028800_DB_DEPTH_CONTROL, 0);
2437	if (rctx->screen->b.has_streamout) {
2438		r600_store_context_reg(cb, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
2439	}
2440
2441	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0, 0x1000FFF);
2442	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (32 * 4), 0x1000FFF);
2443	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (64 * 4), 0x1000FFF);
2444}
2445
2446void r600_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2447{
2448	struct r600_context *rctx = (struct r600_context *)ctx;
2449	struct r600_command_buffer *cb = &shader->command_buffer;
2450	struct r600_shader *rshader = &shader->shader;
2451	unsigned i, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z, spi_ps_in_control_1, db_shader_control;
2452	int pos_index = -1, face_index = -1, fixed_pt_position_index = -1;
2453	unsigned tmp, sid, ufi = 0;
2454	int need_linear = 0;
2455	unsigned z_export = 0, stencil_export = 0, mask_export = 0;
2456	unsigned sprite_coord_enable = rctx->rasterizer ? rctx->rasterizer->sprite_coord_enable : 0;
2457
2458	if (!cb->buf) {
2459		r600_init_command_buffer(cb, 64);
2460	} else {
2461		cb->num_dw = 0;
2462	}
2463
2464	r600_store_context_reg_seq(cb, R_028644_SPI_PS_INPUT_CNTL_0, rshader->ninput);
2465	for (i = 0; i < rshader->ninput; i++) {
2466		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION)
2467			pos_index = i;
2468		if (rshader->input[i].name == TGSI_SEMANTIC_FACE && face_index == -1)
2469			face_index = i;
2470		if (rshader->input[i].name == TGSI_SEMANTIC_SAMPLEID)
2471			fixed_pt_position_index = i;
2472
2473		sid = rshader->input[i].spi_sid;
2474
2475		tmp = S_028644_SEMANTIC(sid);
2476
2477		/* D3D 9 behaviour. GL is undefined */
2478		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR && rshader->input[i].sid == 0)
2479			tmp |= S_028644_DEFAULT_VAL(3);
2480
2481		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
2482			rshader->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
2483			(rshader->input[i].interpolate == TGSI_INTERPOLATE_COLOR &&
2484				rctx->rasterizer && rctx->rasterizer->flatshade))
2485			tmp |= S_028644_FLAT_SHADE(1);
2486
2487		if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
2488		    sprite_coord_enable & (1 << rshader->input[i].sid)) {
2489			tmp |= S_028644_PT_SPRITE_TEX(1);
2490		}
2491
2492		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID)
2493			tmp |= S_028644_SEL_CENTROID(1);
2494
2495		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE)
2496			tmp |= S_028644_SEL_SAMPLE(1);
2497
2498		if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR) {
2499			need_linear = 1;
2500			tmp |= S_028644_SEL_LINEAR(1);
2501		}
2502
2503		r600_store_value(cb, tmp);
2504	}
2505
2506	db_shader_control = 0;
2507	for (i = 0; i < rshader->noutput; i++) {
2508		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION)
2509			z_export = 1;
2510		if (rshader->output[i].name == TGSI_SEMANTIC_STENCIL)
2511			stencil_export = 1;
2512		if (rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK &&
2513			rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0)
2514			mask_export = 1;
2515	}
2516	db_shader_control |= S_02880C_Z_EXPORT_ENABLE(z_export);
2517	db_shader_control |= S_02880C_STENCIL_REF_EXPORT_ENABLE(stencil_export);
2518	db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
2519	if (rshader->uses_kill)
2520		db_shader_control |= S_02880C_KILL_ENABLE(1);
2521
2522	exports_ps = 0;
2523	for (i = 0; i < rshader->noutput; i++) {
2524		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION ||
2525		    rshader->output[i].name == TGSI_SEMANTIC_STENCIL ||
2526		    rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK) {
2527			exports_ps |= 1;
2528		}
2529	}
2530	num_cout = rshader->nr_ps_color_exports;
2531	exports_ps |= S_028854_EXPORT_COLORS(num_cout);
2532	if (!exports_ps) {
2533		/* always at least export 1 component per pixel */
2534		exports_ps = 2;
2535	}
2536
2537	shader->nr_ps_color_outputs = num_cout;
2538
2539	spi_ps_in_control_0 = S_0286CC_NUM_INTERP(rshader->ninput) |
2540				S_0286CC_PERSP_GRADIENT_ENA(1)|
2541				S_0286CC_LINEAR_GRADIENT_ENA(need_linear);
2542	spi_input_z = 0;
2543	if (pos_index != -1) {
2544		spi_ps_in_control_0 |= (S_0286CC_POSITION_ENA(1) |
2545					S_0286CC_POSITION_CENTROID(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID) |
2546					S_0286CC_POSITION_ADDR(rshader->input[pos_index].gpr) |
2547					S_0286CC_BARYC_SAMPLE_CNTL(1)) |
2548					S_0286CC_POSITION_SAMPLE(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE);
2549		spi_input_z |= S_0286D8_PROVIDE_Z_TO_SPI(1);
2550	}
2551
2552	spi_ps_in_control_1 = 0;
2553	if (face_index != -1) {
2554		spi_ps_in_control_1 |= S_0286D0_FRONT_FACE_ENA(1) |
2555			S_0286D0_FRONT_FACE_ADDR(rshader->input[face_index].gpr);
2556	}
2557	if (fixed_pt_position_index != -1) {
2558		spi_ps_in_control_1 |= S_0286D0_FIXED_PT_POSITION_ENA(1) |
2559			S_0286D0_FIXED_PT_POSITION_ADDR(rshader->input[fixed_pt_position_index].gpr);
2560	}
2561
2562	/* HW bug in original R600 */
2563	if (rctx->b.family == CHIP_R600)
2564		ufi = 1;
2565
2566	r600_store_context_reg_seq(cb, R_0286CC_SPI_PS_IN_CONTROL_0, 2);
2567	r600_store_value(cb, spi_ps_in_control_0); /* R_0286CC_SPI_PS_IN_CONTROL_0 */
2568	r600_store_value(cb, spi_ps_in_control_1); /* R_0286D0_SPI_PS_IN_CONTROL_1 */
2569
2570	r600_store_context_reg(cb, R_0286D8_SPI_INPUT_Z, spi_input_z);
2571
2572	r600_store_context_reg_seq(cb, R_028850_SQ_PGM_RESOURCES_PS, 2);
2573	r600_store_value(cb, /* R_028850_SQ_PGM_RESOURCES_PS*/
2574			 S_028850_NUM_GPRS(rshader->bc.ngpr) |
2575			 S_028850_STACK_SIZE(rshader->bc.nstack) |
2576			 S_028850_UNCACHED_FIRST_INST(ufi));
2577	r600_store_value(cb, exports_ps); /* R_028854_SQ_PGM_EXPORTS_PS */
2578
2579	r600_store_context_reg(cb, R_028840_SQ_PGM_START_PS, 0);
2580	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2581
2582	/* only set some bits here, the other bits are set in the dsa state */
2583	shader->db_shader_control = db_shader_control;
2584	shader->ps_depth_export = z_export | stencil_export | mask_export;
2585
2586	shader->sprite_coord_enable = sprite_coord_enable;
2587	if (rctx->rasterizer)
2588		shader->flatshade = rctx->rasterizer->flatshade;
2589}
2590
2591void r600_update_vs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2592{
2593	struct r600_command_buffer *cb = &shader->command_buffer;
2594	struct r600_shader *rshader = &shader->shader;
2595	unsigned spi_vs_out_id[10] = {};
2596	unsigned i, tmp, nparams = 0;
2597
2598	for (i = 0; i < rshader->noutput; i++) {
2599		if (rshader->output[i].spi_sid) {
2600			tmp = rshader->output[i].spi_sid << ((nparams & 3) * 8);
2601			spi_vs_out_id[nparams / 4] |= tmp;
2602			nparams++;
2603		}
2604	}
2605
2606	r600_init_command_buffer(cb, 32);
2607
2608	r600_store_context_reg_seq(cb, R_028614_SPI_VS_OUT_ID_0, 10);
2609	for (i = 0; i < 10; i++) {
2610		r600_store_value(cb, spi_vs_out_id[i]);
2611	}
2612
2613	/* Certain attributes (position, psize, etc.) don't count as params.
2614	 * VS is required to export at least one param and r600_shader_from_tgsi()
2615	 * takes care of adding a dummy export.
2616	 */
2617	if (nparams < 1)
2618		nparams = 1;
2619
2620	r600_store_context_reg(cb, R_0286C4_SPI_VS_OUT_CONFIG,
2621			       S_0286C4_VS_EXPORT_COUNT(nparams - 1));
2622	r600_store_context_reg(cb, R_028868_SQ_PGM_RESOURCES_VS,
2623			       S_028868_NUM_GPRS(rshader->bc.ngpr) |
2624			       S_028868_STACK_SIZE(rshader->bc.nstack));
2625	if (rshader->vs_position_window_space) {
2626		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2627			S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1));
2628	} else {
2629		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2630			S_028818_VTX_W0_FMT(1) |
2631			S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) |
2632			S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) |
2633			S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1));
2634
2635	}
2636	r600_store_context_reg(cb, R_028858_SQ_PGM_START_VS, 0);
2637	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2638
2639	shader->pa_cl_vs_out_cntl =
2640		S_02881C_VS_OUT_CCDIST0_VEC_ENA((rshader->clip_dist_write & 0x0F) != 0) |
2641		S_02881C_VS_OUT_CCDIST1_VEC_ENA((rshader->clip_dist_write & 0xF0) != 0) |
2642		S_02881C_VS_OUT_MISC_VEC_ENA(rshader->vs_out_misc_write) |
2643		S_02881C_USE_VTX_POINT_SIZE(rshader->vs_out_point_size) |
2644		S_02881C_USE_VTX_EDGE_FLAG(rshader->vs_out_edgeflag) |
2645		S_02881C_USE_VTX_RENDER_TARGET_INDX(rshader->vs_out_layer) |
2646		S_02881C_USE_VTX_VIEWPORT_INDX(rshader->vs_out_viewport);
2647}
2648
2649#define RV610_GSVS_ALIGN 32
2650#define R600_GSVS_ALIGN 16
2651
2652void r600_update_gs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2653{
2654	struct r600_context *rctx = (struct r600_context *)ctx;
2655	struct r600_command_buffer *cb = &shader->command_buffer;
2656	struct r600_shader *rshader = &shader->shader;
2657	struct r600_shader *cp_shader = &shader->gs_copy_shader->shader;
2658	unsigned gsvs_itemsize =
2659			(cp_shader->ring_item_sizes[0] * shader->selector->gs_max_out_vertices) >> 2;
2660
2661	/* some r600s needs gsvs itemsize aligned to cacheline size
2662	   this was fixed in rs780 and above. */
2663	switch (rctx->b.family) {
2664	case CHIP_RV610:
2665		gsvs_itemsize = align(gsvs_itemsize, RV610_GSVS_ALIGN);
2666		break;
2667	case CHIP_R600:
2668	case CHIP_RV630:
2669	case CHIP_RV670:
2670	case CHIP_RV620:
2671	case CHIP_RV635:
2672		gsvs_itemsize = align(gsvs_itemsize, R600_GSVS_ALIGN);
2673		break;
2674	default:
2675		break;
2676	}
2677
2678	r600_init_command_buffer(cb, 64);
2679
2680	/* VGT_GS_MODE is written by r600_emit_shader_stages */
2681	r600_store_context_reg(cb, R_028AB8_VGT_VTX_CNT_EN, 1);
2682
2683	if (rctx->b.chip_class >= R700) {
2684		r600_store_context_reg(cb, R_028B38_VGT_GS_MAX_VERT_OUT,
2685				       S_028B38_MAX_VERT_OUT(shader->selector->gs_max_out_vertices));
2686	}
2687	r600_store_context_reg(cb, R_028A6C_VGT_GS_OUT_PRIM_TYPE,
2688			       r600_conv_prim_to_gs_out(shader->selector->gs_output_prim));
2689
2690	r600_store_context_reg(cb, R_0288C8_SQ_GS_VERT_ITEMSIZE,
2691	                       cp_shader->ring_item_sizes[0] >> 2);
2692
2693	r600_store_context_reg(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE,
2694			       (rshader->ring_item_sizes[0]) >> 2);
2695
2696	r600_store_context_reg(cb, R_0288AC_SQ_GSVS_RING_ITEMSIZE,
2697			       gsvs_itemsize);
2698
2699	/* FIXME calculate these values somehow ??? */
2700	r600_store_config_reg_seq(cb, R_0088C8_VGT_GS_PER_ES, 2);
2701	r600_store_value(cb, 0x80); /* GS_PER_ES */
2702	r600_store_value(cb, 0x100); /* ES_PER_GS */
2703	r600_store_config_reg_seq(cb, R_0088E8_VGT_GS_PER_VS, 1);
2704	r600_store_value(cb, 0x2); /* GS_PER_VS */
2705
2706	r600_store_context_reg(cb, R_02887C_SQ_PGM_RESOURCES_GS,
2707			       S_02887C_NUM_GPRS(rshader->bc.ngpr) |
2708			       S_02887C_STACK_SIZE(rshader->bc.nstack));
2709	r600_store_context_reg(cb, R_02886C_SQ_PGM_START_GS, 0);
2710	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2711}
2712
2713void r600_update_es_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2714{
2715	struct r600_command_buffer *cb = &shader->command_buffer;
2716	struct r600_shader *rshader = &shader->shader;
2717
2718	r600_init_command_buffer(cb, 32);
2719
2720	r600_store_context_reg(cb, R_028890_SQ_PGM_RESOURCES_ES,
2721			       S_028890_NUM_GPRS(rshader->bc.ngpr) |
2722			       S_028890_STACK_SIZE(rshader->bc.nstack));
2723	r600_store_context_reg(cb, R_028880_SQ_PGM_START_ES, 0);
2724	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2725}
2726
2727
2728void *r600_create_resolve_blend(struct r600_context *rctx)
2729{
2730	struct pipe_blend_state blend;
2731	unsigned i;
2732
2733	memset(&blend, 0, sizeof(blend));
2734	blend.independent_blend_enable = true;
2735	for (i = 0; i < 2; i++) {
2736		blend.rt[i].colormask = 0xf;
2737		blend.rt[i].blend_enable = 1;
2738		blend.rt[i].rgb_func = PIPE_BLEND_ADD;
2739		blend.rt[i].alpha_func = PIPE_BLEND_ADD;
2740		blend.rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ZERO;
2741		blend.rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
2742		blend.rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
2743		blend.rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
2744	}
2745	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2746}
2747
2748void *r700_create_resolve_blend(struct r600_context *rctx)
2749{
2750	struct pipe_blend_state blend;
2751
2752	memset(&blend, 0, sizeof(blend));
2753	blend.independent_blend_enable = true;
2754	blend.rt[0].colormask = 0xf;
2755	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2756}
2757
2758void *r600_create_decompress_blend(struct r600_context *rctx)
2759{
2760	struct pipe_blend_state blend;
2761
2762	memset(&blend, 0, sizeof(blend));
2763	blend.independent_blend_enable = true;
2764	blend.rt[0].colormask = 0xf;
2765	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_EXPAND_SAMPLES);
2766}
2767
2768void *r600_create_db_flush_dsa(struct r600_context *rctx)
2769{
2770	struct pipe_depth_stencil_alpha_state dsa;
2771	boolean quirk = false;
2772
2773	if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
2774		rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
2775		quirk = true;
2776
2777	memset(&dsa, 0, sizeof(dsa));
2778
2779	if (quirk) {
2780		dsa.depth.enabled = 1;
2781		dsa.depth.func = PIPE_FUNC_LEQUAL;
2782		dsa.stencil[0].enabled = 1;
2783		dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
2784		dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
2785		dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_INCR;
2786		dsa.stencil[0].writemask = 0xff;
2787	}
2788
2789	return rctx->b.b.create_depth_stencil_alpha_state(&rctx->b.b, &dsa);
2790}
2791
2792void r600_update_db_shader_control(struct r600_context * rctx)
2793{
2794	bool dual_export;
2795	unsigned db_shader_control;
2796	uint8_t ps_conservative_z;
2797
2798	if (!rctx->ps_shader) {
2799		return;
2800	}
2801
2802	dual_export = rctx->framebuffer.export_16bpc &&
2803		      !rctx->ps_shader->current->ps_depth_export;
2804
2805	db_shader_control = rctx->ps_shader->current->db_shader_control |
2806			    S_02880C_DUAL_EXPORT_ENABLE(dual_export);
2807
2808	ps_conservative_z = rctx->ps_shader->current->shader.ps_conservative_z;
2809
2810	/* When alpha test is enabled we can't trust the hw to make the proper
2811	 * decision on the order in which ztest should be run related to fragment
2812	 * shader execution.
2813	 *
2814	 * If alpha test is enabled perform z test after fragment. RE_Z (early
2815	 * z test but no write to the zbuffer) seems to cause lockup on r6xx/r7xx
2816	 */
2817	if (rctx->alphatest_state.sx_alpha_test_control) {
2818		db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z);
2819	} else {
2820		db_shader_control |= S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
2821	}
2822
2823	if (db_shader_control != rctx->db_misc_state.db_shader_control ||
2824		ps_conservative_z != rctx->db_misc_state.ps_conservative_z) {
2825		rctx->db_misc_state.db_shader_control = db_shader_control;
2826		rctx->db_misc_state.ps_conservative_z = ps_conservative_z;
2827		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
2828	}
2829}
2830
2831static inline unsigned r600_array_mode(unsigned mode)
2832{
2833	switch (mode) {
2834	default:
2835	case RADEON_SURF_MODE_LINEAR_ALIGNED:	return V_0280A0_ARRAY_LINEAR_ALIGNED;
2836		break;
2837	case RADEON_SURF_MODE_1D:		return V_0280A0_ARRAY_1D_TILED_THIN1;
2838		break;
2839	case RADEON_SURF_MODE_2D:		return V_0280A0_ARRAY_2D_TILED_THIN1;
2840	}
2841}
2842
2843static boolean r600_dma_copy_tile(struct r600_context *rctx,
2844				struct pipe_resource *dst,
2845				unsigned dst_level,
2846				unsigned dst_x,
2847				unsigned dst_y,
2848				unsigned dst_z,
2849				struct pipe_resource *src,
2850				unsigned src_level,
2851				unsigned src_x,
2852				unsigned src_y,
2853				unsigned src_z,
2854				unsigned copy_height,
2855				unsigned pitch,
2856				unsigned bpp)
2857{
2858	struct radeon_winsys_cs *cs = rctx->b.dma.cs;
2859	struct r600_texture *rsrc = (struct r600_texture*)src;
2860	struct r600_texture *rdst = (struct r600_texture*)dst;
2861	unsigned array_mode, lbpp, pitch_tile_max, slice_tile_max, size;
2862	unsigned ncopy, height, cheight, detile, i, x, y, z, src_mode, dst_mode;
2863	uint64_t base, addr;
2864
2865	dst_mode = rdst->surface.level[dst_level].mode;
2866	src_mode = rsrc->surface.level[src_level].mode;
2867	assert(dst_mode != src_mode);
2868
2869	y = 0;
2870	lbpp = util_logbase2(bpp);
2871	pitch_tile_max = ((pitch / bpp) / 8) - 1;
2872
2873	if (dst_mode == RADEON_SURF_MODE_LINEAR_ALIGNED) {
2874		/* T2L */
2875		array_mode = r600_array_mode(src_mode);
2876		slice_tile_max = (rsrc->surface.level[src_level].nblk_x * rsrc->surface.level[src_level].nblk_y) / (8*8);
2877		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2878		/* linear height must be the same as the slice tile max height, it's ok even
2879		 * if the linear destination/source have smaller heigh as the size of the
2880		 * dma packet will be using the copy_height which is always smaller or equal
2881		 * to the linear height
2882		 */
2883		height = rsrc->surface.level[src_level].npix_y;
2884		detile = 1;
2885		x = src_x;
2886		y = src_y;
2887		z = src_z;
2888		base = rsrc->surface.level[src_level].offset;
2889		addr = rdst->surface.level[dst_level].offset;
2890		addr += rdst->surface.level[dst_level].slice_size * dst_z;
2891		addr += dst_y * pitch + dst_x * bpp;
2892	} else {
2893		/* L2T */
2894		array_mode = r600_array_mode(dst_mode);
2895		slice_tile_max = (rdst->surface.level[dst_level].nblk_x * rdst->surface.level[dst_level].nblk_y) / (8*8);
2896		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2897		/* linear height must be the same as the slice tile max height, it's ok even
2898		 * if the linear destination/source have smaller heigh as the size of the
2899		 * dma packet will be using the copy_height which is always smaller or equal
2900		 * to the linear height
2901		 */
2902		height = rdst->surface.level[dst_level].npix_y;
2903		detile = 0;
2904		x = dst_x;
2905		y = dst_y;
2906		z = dst_z;
2907		base = rdst->surface.level[dst_level].offset;
2908		addr = rsrc->surface.level[src_level].offset;
2909		addr += rsrc->surface.level[src_level].slice_size * src_z;
2910		addr += src_y * pitch + src_x * bpp;
2911	}
2912	/* check that we are in dw/base alignment constraint */
2913	if (addr % 4 || base % 256) {
2914		return FALSE;
2915	}
2916
2917	/* It's a r6xx/r7xx limitation, the blit must be on 8 boundary for number
2918	 * line in the blit. Compute max 8 line we can copy in the size limit
2919	 */
2920	cheight = ((R600_DMA_COPY_MAX_SIZE_DW * 4) / pitch) & 0xfffffff8;
2921	ncopy = (copy_height / cheight) + !!(copy_height % cheight);
2922	r600_need_dma_space(&rctx->b, ncopy * 7, &rdst->resource, &rsrc->resource);
2923
2924	for (i = 0; i < ncopy; i++) {
2925		cheight = cheight > copy_height ? copy_height : cheight;
2926		size = (cheight * pitch) / 4;
2927		/* emit reloc before writing cs so that cs is always in consistent state */
2928		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rsrc->resource, RADEON_USAGE_READ,
2929				      RADEON_PRIO_SDMA_TEXTURE);
2930		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rdst->resource, RADEON_USAGE_WRITE,
2931				      RADEON_PRIO_SDMA_TEXTURE);
2932		radeon_emit(cs, DMA_PACKET(DMA_PACKET_COPY, 1, 0, size));
2933		radeon_emit(cs, base >> 8);
2934		radeon_emit(cs, (detile << 31) | (array_mode << 27) |
2935				(lbpp << 24) | ((height - 1) << 10) |
2936				pitch_tile_max);
2937		radeon_emit(cs, (slice_tile_max << 12) | (z << 0));
2938		radeon_emit(cs, (x << 3) | (y << 17));
2939		radeon_emit(cs, addr & 0xfffffffc);
2940		radeon_emit(cs, (addr >> 32UL) & 0xff);
2941		copy_height -= cheight;
2942		addr += cheight * pitch;
2943		y += cheight;
2944	}
2945	r600_dma_emit_wait_idle(&rctx->b);
2946	return TRUE;
2947}
2948
2949static void r600_dma_copy(struct pipe_context *ctx,
2950			  struct pipe_resource *dst,
2951			  unsigned dst_level,
2952			  unsigned dstx, unsigned dsty, unsigned dstz,
2953			  struct pipe_resource *src,
2954			  unsigned src_level,
2955			  const struct pipe_box *src_box)
2956{
2957	struct r600_context *rctx = (struct r600_context *)ctx;
2958	struct r600_texture *rsrc = (struct r600_texture*)src;
2959	struct r600_texture *rdst = (struct r600_texture*)dst;
2960	unsigned dst_pitch, src_pitch, bpp, dst_mode, src_mode, copy_height;
2961	unsigned src_w, dst_w;
2962	unsigned src_x, src_y;
2963	unsigned dst_x = dstx, dst_y = dsty, dst_z = dstz;
2964
2965	if (rctx->b.dma.cs == NULL) {
2966		goto fallback;
2967	}
2968
2969	if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
2970		if (dst_x % 4 || src_box->x % 4 || src_box->width % 4)
2971			goto fallback;
2972
2973		r600_dma_copy_buffer(rctx, dst, src, dst_x, src_box->x, src_box->width);
2974		return;
2975	}
2976
2977	if (src_box->depth > 1 ||
2978	    !r600_prepare_for_dma_blit(&rctx->b, rdst, dst_level, dstx, dsty,
2979					dstz, rsrc, src_level, src_box))
2980		goto fallback;
2981
2982	src_x = util_format_get_nblocksx(src->format, src_box->x);
2983	dst_x = util_format_get_nblocksx(src->format, dst_x);
2984	src_y = util_format_get_nblocksy(src->format, src_box->y);
2985	dst_y = util_format_get_nblocksy(src->format, dst_y);
2986
2987	bpp = rdst->surface.bpe;
2988	dst_pitch = rdst->surface.level[dst_level].pitch_bytes;
2989	src_pitch = rsrc->surface.level[src_level].pitch_bytes;
2990	src_w = rsrc->surface.level[src_level].npix_x;
2991	dst_w = rdst->surface.level[dst_level].npix_x;
2992	copy_height = src_box->height / rsrc->surface.blk_h;
2993
2994	dst_mode = rdst->surface.level[dst_level].mode;
2995	src_mode = rsrc->surface.level[src_level].mode;
2996
2997	if (src_pitch != dst_pitch || src_box->x || dst_x || src_w != dst_w) {
2998		/* strict requirement on r6xx/r7xx */
2999		goto fallback;
3000	}
3001	/* lot of constraint on alignment this should capture them all */
3002	if (src_pitch % 8 || src_box->y % 8 || dst_y % 8) {
3003		goto fallback;
3004	}
3005
3006	if (src_mode == dst_mode) {
3007		uint64_t dst_offset, src_offset, size;
3008
3009		/* simple dma blit would do NOTE code here assume :
3010		 *   src_box.x/y == 0
3011		 *   dst_x/y == 0
3012		 *   dst_pitch == src_pitch
3013		 */
3014		src_offset= rsrc->surface.level[src_level].offset;
3015		src_offset += rsrc->surface.level[src_level].slice_size * src_box->z;
3016		src_offset += src_y * src_pitch + src_x * bpp;
3017		dst_offset = rdst->surface.level[dst_level].offset;
3018		dst_offset += rdst->surface.level[dst_level].slice_size * dst_z;
3019		dst_offset += dst_y * dst_pitch + dst_x * bpp;
3020		size = src_box->height * src_pitch;
3021		/* must be dw aligned */
3022		if (dst_offset % 4 || src_offset % 4 || size % 4) {
3023			goto fallback;
3024		}
3025		r600_dma_copy_buffer(rctx, dst, src, dst_offset, src_offset, size);
3026	} else {
3027		if (!r600_dma_copy_tile(rctx, dst, dst_level, dst_x, dst_y, dst_z,
3028					src, src_level, src_x, src_y, src_box->z,
3029					copy_height, dst_pitch, bpp)) {
3030			goto fallback;
3031		}
3032	}
3033	return;
3034
3035fallback:
3036	r600_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
3037				  src, src_level, src_box);
3038}
3039
3040void r600_init_state_functions(struct r600_context *rctx)
3041{
3042	unsigned id = 1;
3043	unsigned i;
3044	/* !!!
3045	 *  To avoid GPU lockup registers must be emited in a specific order
3046	 * (no kidding ...). The order below is important and have been
3047	 * partialy infered from analyzing fglrx command stream.
3048	 *
3049	 * Don't reorder atom without carefully checking the effect (GPU lockup
3050	 * or piglit regression).
3051	 * !!!
3052	 */
3053
3054	r600_init_atom(rctx, &rctx->framebuffer.atom, id++, r600_emit_framebuffer_state, 0);
3055
3056	/* shader const */
3057	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX].atom, id++, r600_emit_vs_constant_buffers, 0);
3058	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY].atom, id++, r600_emit_gs_constant_buffers, 0);
3059	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT].atom, id++, r600_emit_ps_constant_buffers, 0);
3060
3061	/* sampler must be emited before TA_CNTL_AUX otherwise DISABLE_CUBE_WRAP change
3062	 * does not take effect (TA_CNTL_AUX emited by r600_emit_seamless_cube_map)
3063	 */
3064	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].states.atom, id++, r600_emit_vs_sampler_states, 0);
3065	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].states.atom, id++, r600_emit_gs_sampler_states, 0);
3066	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].states.atom, id++, r600_emit_ps_sampler_states, 0);
3067	/* resource */
3068	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views.atom, id++, r600_emit_vs_sampler_views, 0);
3069	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views.atom, id++, r600_emit_gs_sampler_views, 0);
3070	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views.atom, id++, r600_emit_ps_sampler_views, 0);
3071	r600_init_atom(rctx, &rctx->vertex_buffer_state.atom, id++, r600_emit_vertex_buffers, 0);
3072
3073	r600_init_atom(rctx, &rctx->vgt_state.atom, id++, r600_emit_vgt_state, 10);
3074
3075	r600_init_atom(rctx, &rctx->seamless_cube_map.atom, id++, r600_emit_seamless_cube_map, 3);
3076	r600_init_atom(rctx, &rctx->sample_mask.atom, id++, r600_emit_sample_mask, 3);
3077	rctx->sample_mask.sample_mask = ~0;
3078
3079	r600_init_atom(rctx, &rctx->alphatest_state.atom, id++, r600_emit_alphatest_state, 6);
3080	r600_init_atom(rctx, &rctx->blend_color.atom, id++, r600_emit_blend_color, 6);
3081	r600_init_atom(rctx, &rctx->blend_state.atom, id++, r600_emit_cso_state, 0);
3082	r600_init_atom(rctx, &rctx->cb_misc_state.atom, id++, r600_emit_cb_misc_state, 7);
3083	r600_init_atom(rctx, &rctx->clip_misc_state.atom, id++, r600_emit_clip_misc_state, 6);
3084	r600_init_atom(rctx, &rctx->clip_state.atom, id++, r600_emit_clip_state, 26);
3085	r600_init_atom(rctx, &rctx->db_misc_state.atom, id++, r600_emit_db_misc_state, 7);
3086	r600_init_atom(rctx, &rctx->db_state.atom, id++, r600_emit_db_state, 11);
3087	r600_init_atom(rctx, &rctx->dsa_state.atom, id++, r600_emit_cso_state, 0);
3088	r600_init_atom(rctx, &rctx->poly_offset_state.atom, id++, r600_emit_polygon_offset, 6);
3089	r600_init_atom(rctx, &rctx->rasterizer_state.atom, id++, r600_emit_cso_state, 0);
3090	r600_add_atom(rctx, &rctx->b.scissors.atom, id++);
3091	r600_add_atom(rctx, &rctx->b.viewports.atom, id++);
3092	r600_init_atom(rctx, &rctx->config_state.atom, id++, r600_emit_config_state, 3);
3093	r600_init_atom(rctx, &rctx->stencil_ref.atom, id++, r600_emit_stencil_ref, 4);
3094	r600_init_atom(rctx, &rctx->vertex_fetch_shader.atom, id++, r600_emit_vertex_fetch_shader, 5);
3095	r600_add_atom(rctx, &rctx->b.render_cond_atom, id++);
3096	r600_add_atom(rctx, &rctx->b.streamout.begin_atom, id++);
3097	r600_add_atom(rctx, &rctx->b.streamout.enable_atom, id++);
3098	for (i = 0; i < R600_NUM_HW_STAGES; i++)
3099		r600_init_atom(rctx, &rctx->hw_shader_stages[i].atom, id++, r600_emit_shader, 0);
3100	r600_init_atom(rctx, &rctx->shader_stages.atom, id++, r600_emit_shader_stages, 0);
3101	r600_init_atom(rctx, &rctx->gs_rings.atom, id++, r600_emit_gs_rings, 0);
3102
3103	rctx->b.b.create_blend_state = r600_create_blend_state;
3104	rctx->b.b.create_depth_stencil_alpha_state = r600_create_dsa_state;
3105	rctx->b.b.create_rasterizer_state = r600_create_rs_state;
3106	rctx->b.b.create_sampler_state = r600_create_sampler_state;
3107	rctx->b.b.create_sampler_view = r600_create_sampler_view;
3108	rctx->b.b.set_framebuffer_state = r600_set_framebuffer_state;
3109	rctx->b.b.set_polygon_stipple = r600_set_polygon_stipple;
3110	rctx->b.b.set_min_samples = r600_set_min_samples;
3111	rctx->b.b.get_sample_position = r600_get_sample_position;
3112	rctx->b.dma_copy = r600_dma_copy;
3113}
3114/* this function must be last */
3115