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 
r600_translate_blend_function(int blend_func)33 static 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 
r600_translate_blend_factor(int blend_fact)54 static 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 
r600_tex_dim(unsigned dim,unsigned nr_samples)103 static 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 
r600_translate_dbformat(enum pipe_format format)126 static 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 
r600_is_sampler_format_supported(struct pipe_screen * screen,enum pipe_format format)144 static 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 
r600_is_colorbuffer_format_supported(enum chip_class chip,enum pipe_format format)150 static 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 
r600_is_zs_format_supported(enum pipe_format format)156 static bool r600_is_zs_format_supported(enum pipe_format format)
157 {
158 	return r600_translate_dbformat(format) != ~0U;
159 }
160 
r600_is_format_supported(struct pipe_screen * screen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned usage)161 boolean 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_LINEAR) &&
239 	    !util_format_is_compressed(format) &&
240 	    !(usage & PIPE_BIND_DEPTH_STENCIL))
241 		retval |= PIPE_BIND_LINEAR;
242 
243 	return retval == usage;
244 }
245 
r600_emit_polygon_offset(struct r600_context * rctx,struct r600_atom * a)246 static void r600_emit_polygon_offset(struct r600_context *rctx, struct r600_atom *a)
247 {
248 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
249 	struct r600_poly_offset_state *state = (struct r600_poly_offset_state*)a;
250 	float offset_units = state->offset_units;
251 	float offset_scale = state->offset_scale;
252 	uint32_t pa_su_poly_offset_db_fmt_cntl = 0;
253 
254 	if (!state->offset_units_unscaled) {
255 		switch (state->zs_format) {
256 		case PIPE_FORMAT_Z24X8_UNORM:
257 		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
258 			offset_units *= 2.0f;
259 			pa_su_poly_offset_db_fmt_cntl =
260 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-24);
261 			break;
262 		case PIPE_FORMAT_Z16_UNORM:
263 			offset_units *= 4.0f;
264 			pa_su_poly_offset_db_fmt_cntl =
265 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-16);
266 			break;
267 		default:
268 			pa_su_poly_offset_db_fmt_cntl =
269 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-23) |
270 				S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
271 		}
272 	}
273 
274 	radeon_set_context_reg_seq(cs, R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE, 4);
275 	radeon_emit(cs, fui(offset_scale));
276 	radeon_emit(cs, fui(offset_units));
277 	radeon_emit(cs, fui(offset_scale));
278 	radeon_emit(cs, fui(offset_units));
279 
280 	radeon_set_context_reg(cs, R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
281 			       pa_su_poly_offset_db_fmt_cntl);
282 }
283 
r600_get_blend_control(const struct pipe_blend_state * state,unsigned i)284 static uint32_t r600_get_blend_control(const struct pipe_blend_state *state, unsigned i)
285 {
286 	int j = state->independent_blend_enable ? i : 0;
287 
288 	unsigned eqRGB = state->rt[j].rgb_func;
289 	unsigned srcRGB = state->rt[j].rgb_src_factor;
290 	unsigned dstRGB = state->rt[j].rgb_dst_factor;
291 
292 	unsigned eqA = state->rt[j].alpha_func;
293 	unsigned srcA = state->rt[j].alpha_src_factor;
294 	unsigned dstA = state->rt[j].alpha_dst_factor;
295 	uint32_t bc = 0;
296 
297 	if (!state->rt[j].blend_enable)
298 		return 0;
299 
300 	bc |= S_028804_COLOR_COMB_FCN(r600_translate_blend_function(eqRGB));
301 	bc |= S_028804_COLOR_SRCBLEND(r600_translate_blend_factor(srcRGB));
302 	bc |= S_028804_COLOR_DESTBLEND(r600_translate_blend_factor(dstRGB));
303 
304 	if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
305 		bc |= S_028804_SEPARATE_ALPHA_BLEND(1);
306 		bc |= S_028804_ALPHA_COMB_FCN(r600_translate_blend_function(eqA));
307 		bc |= S_028804_ALPHA_SRCBLEND(r600_translate_blend_factor(srcA));
308 		bc |= S_028804_ALPHA_DESTBLEND(r600_translate_blend_factor(dstA));
309 	}
310 	return bc;
311 }
312 
r600_create_blend_state_mode(struct pipe_context * ctx,const struct pipe_blend_state * state,int mode)313 static void *r600_create_blend_state_mode(struct pipe_context *ctx,
314 					  const struct pipe_blend_state *state,
315 					  int mode)
316 {
317 	struct r600_context *rctx = (struct r600_context *)ctx;
318 	uint32_t color_control = 0, target_mask = 0;
319 	struct r600_blend_state *blend = CALLOC_STRUCT(r600_blend_state);
320 
321 	if (!blend) {
322 		return NULL;
323 	}
324 
325 	r600_init_command_buffer(&blend->buffer, 20);
326 	r600_init_command_buffer(&blend->buffer_no_blend, 20);
327 
328 	/* R600 does not support per-MRT blends */
329 	if (rctx->b.family > CHIP_R600)
330 		color_control |= S_028808_PER_MRT_BLEND(1);
331 
332 	if (state->logicop_enable) {
333 		color_control |= (state->logicop_func << 16) | (state->logicop_func << 20);
334 	} else {
335 		color_control |= (0xcc << 16);
336 	}
337 	/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
338 	if (state->independent_blend_enable) {
339 		for (int i = 0; i < 8; i++) {
340 			if (state->rt[i].blend_enable) {
341 				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
342 			}
343 			target_mask |= (state->rt[i].colormask << (4 * i));
344 		}
345 	} else {
346 		for (int i = 0; i < 8; i++) {
347 			if (state->rt[0].blend_enable) {
348 				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
349 			}
350 			target_mask |= (state->rt[0].colormask << (4 * i));
351 		}
352 	}
353 
354 	if (target_mask)
355 		color_control |= S_028808_SPECIAL_OP(mode);
356 	else
357 		color_control |= S_028808_SPECIAL_OP(V_028808_DISABLE);
358 
359 	/* only MRT0 has dual src blend */
360 	blend->dual_src_blend = util_blend_state_is_dual(state, 0);
361 	blend->cb_target_mask = target_mask;
362 	blend->cb_color_control = color_control;
363 	blend->cb_color_control_no_blend = color_control & C_028808_TARGET_BLEND_ENABLE;
364 	blend->alpha_to_one = state->alpha_to_one;
365 
366 	r600_store_context_reg(&blend->buffer, R_028D44_DB_ALPHA_TO_MASK,
367 			       S_028D44_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
368 			       S_028D44_ALPHA_TO_MASK_OFFSET0(2) |
369 			       S_028D44_ALPHA_TO_MASK_OFFSET1(2) |
370 			       S_028D44_ALPHA_TO_MASK_OFFSET2(2) |
371 			       S_028D44_ALPHA_TO_MASK_OFFSET3(2));
372 
373 	/* Copy over the registers set so far into buffer_no_blend. */
374 	memcpy(blend->buffer_no_blend.buf, blend->buffer.buf, blend->buffer.num_dw * 4);
375 	blend->buffer_no_blend.num_dw = blend->buffer.num_dw;
376 
377 	/* Only add blend registers if blending is enabled. */
378 	if (!G_028808_TARGET_BLEND_ENABLE(color_control)) {
379 		return blend;
380 	}
381 
382 	/* The first R600 does not support per-MRT blends */
383 	r600_store_context_reg(&blend->buffer, R_028804_CB_BLEND_CONTROL,
384 			       r600_get_blend_control(state, 0));
385 
386 	if (rctx->b.family > CHIP_R600) {
387 		r600_store_context_reg_seq(&blend->buffer, R_028780_CB_BLEND0_CONTROL, 8);
388 		for (int i = 0; i < 8; i++) {
389 			r600_store_value(&blend->buffer, r600_get_blend_control(state, i));
390 		}
391 	}
392 	return blend;
393 }
394 
r600_create_blend_state(struct pipe_context * ctx,const struct pipe_blend_state * state)395 static void *r600_create_blend_state(struct pipe_context *ctx,
396 				     const struct pipe_blend_state *state)
397 {
398 	return r600_create_blend_state_mode(ctx, state, V_028808_SPECIAL_NORMAL);
399 }
400 
r600_create_dsa_state(struct pipe_context * ctx,const struct pipe_depth_stencil_alpha_state * state)401 static void *r600_create_dsa_state(struct pipe_context *ctx,
402 				   const struct pipe_depth_stencil_alpha_state *state)
403 {
404 	unsigned db_depth_control, alpha_test_control, alpha_ref;
405 	struct r600_dsa_state *dsa = CALLOC_STRUCT(r600_dsa_state);
406 
407 	if (!dsa) {
408 		return NULL;
409 	}
410 
411 	r600_init_command_buffer(&dsa->buffer, 3);
412 
413 	dsa->valuemask[0] = state->stencil[0].valuemask;
414 	dsa->valuemask[1] = state->stencil[1].valuemask;
415 	dsa->writemask[0] = state->stencil[0].writemask;
416 	dsa->writemask[1] = state->stencil[1].writemask;
417 	dsa->zwritemask = state->depth.writemask;
418 
419 	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
420 		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
421 		S_028800_ZFUNC(state->depth.func);
422 
423 	/* stencil */
424 	if (state->stencil[0].enabled) {
425 		db_depth_control |= S_028800_STENCIL_ENABLE(1);
426 		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); /* translates straight */
427 		db_depth_control |= S_028800_STENCILFAIL(r600_translate_stencil_op(state->stencil[0].fail_op));
428 		db_depth_control |= S_028800_STENCILZPASS(r600_translate_stencil_op(state->stencil[0].zpass_op));
429 		db_depth_control |= S_028800_STENCILZFAIL(r600_translate_stencil_op(state->stencil[0].zfail_op));
430 
431 		if (state->stencil[1].enabled) {
432 			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
433 			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); /* translates straight */
434 			db_depth_control |= S_028800_STENCILFAIL_BF(r600_translate_stencil_op(state->stencil[1].fail_op));
435 			db_depth_control |= S_028800_STENCILZPASS_BF(r600_translate_stencil_op(state->stencil[1].zpass_op));
436 			db_depth_control |= S_028800_STENCILZFAIL_BF(r600_translate_stencil_op(state->stencil[1].zfail_op));
437 		}
438 	}
439 
440 	/* alpha */
441 	alpha_test_control = 0;
442 	alpha_ref = 0;
443 	if (state->alpha.enabled) {
444 		alpha_test_control = S_028410_ALPHA_FUNC(state->alpha.func);
445 		alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
446 		alpha_ref = fui(state->alpha.ref_value);
447 	}
448 	dsa->sx_alpha_test_control = alpha_test_control & 0xff;
449 	dsa->alpha_ref = alpha_ref;
450 
451 	r600_store_context_reg(&dsa->buffer, R_028800_DB_DEPTH_CONTROL, db_depth_control);
452 	return dsa;
453 }
454 
r600_create_rs_state(struct pipe_context * ctx,const struct pipe_rasterizer_state * state)455 static void *r600_create_rs_state(struct pipe_context *ctx,
456 				  const struct pipe_rasterizer_state *state)
457 {
458 	struct r600_context *rctx = (struct r600_context *)ctx;
459 	unsigned tmp, sc_mode_cntl, spi_interp;
460 	float psize_min, psize_max;
461 	struct r600_rasterizer_state *rs = CALLOC_STRUCT(r600_rasterizer_state);
462 
463 	if (!rs) {
464 		return NULL;
465 	}
466 
467 	r600_init_command_buffer(&rs->buffer, 30);
468 
469 	rs->scissor_enable = state->scissor;
470 	rs->clip_halfz = state->clip_halfz;
471 	rs->flatshade = state->flatshade;
472 	rs->sprite_coord_enable = state->sprite_coord_enable;
473 	rs->rasterizer_discard = state->rasterizer_discard;
474 	rs->two_side = state->light_twoside;
475 	rs->clip_plane_enable = state->clip_plane_enable;
476 	rs->pa_sc_line_stipple = state->line_stipple_enable ?
477 				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
478 				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
479 	rs->pa_cl_clip_cntl =
480 		S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) |
481 		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) |
482 		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) |
483 		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
484 	if (rctx->b.chip_class == R700) {
485 		rs->pa_cl_clip_cntl |=
486 			S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard);
487 	}
488 	rs->multisample_enable = state->multisample;
489 
490 	/* offset */
491 	rs->offset_units = state->offset_units;
492 	rs->offset_scale = state->offset_scale * 16.0f;
493 	rs->offset_enable = state->offset_point || state->offset_line || state->offset_tri;
494 	rs->offset_units_unscaled = state->offset_units_unscaled;
495 
496 	if (state->point_size_per_vertex) {
497 		psize_min = util_get_min_point_size(state);
498 		psize_max = 8192;
499 	} else {
500 		/* Force the point size to be as if the vertex output was disabled. */
501 		psize_min = state->point_size;
502 		psize_max = state->point_size;
503 	}
504 
505 	sc_mode_cntl = S_028A4C_MSAA_ENABLE(state->multisample) |
506 		       S_028A4C_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
507 		       S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
508 		       S_028A4C_PS_ITER_SAMPLE(state->multisample && rctx->ps_iter_samples > 1);
509 	if (rctx->b.family == CHIP_RV770) {
510 		/* workaround possible rendering corruption on RV770 with hyperz together with sample shading */
511 		sc_mode_cntl |= S_028A4C_TILE_COVER_DISABLE(state->multisample && rctx->ps_iter_samples > 1);
512 	}
513 	if (rctx->b.chip_class >= R700) {
514 		sc_mode_cntl |= S_028A4C_FORCE_EOV_REZ_ENABLE(1) |
515 				S_028A4C_R700_ZMM_LINE_OFFSET(1) |
516 				S_028A4C_R700_VPORT_SCISSOR_ENABLE(1);
517 	} else {
518 		sc_mode_cntl |= S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1);
519 	}
520 
521 	spi_interp = S_0286D4_FLAT_SHADE_ENA(1);
522 	if (state->sprite_coord_enable) {
523 		spi_interp |= S_0286D4_PNT_SPRITE_ENA(1) |
524 			      S_0286D4_PNT_SPRITE_OVRD_X(2) |
525 			      S_0286D4_PNT_SPRITE_OVRD_Y(3) |
526 			      S_0286D4_PNT_SPRITE_OVRD_Z(0) |
527 			      S_0286D4_PNT_SPRITE_OVRD_W(1);
528 		if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) {
529 			spi_interp |= S_0286D4_PNT_SPRITE_TOP_1(1);
530 		}
531 	}
532 
533 	r600_store_context_reg_seq(&rs->buffer, R_028A00_PA_SU_POINT_SIZE, 3);
534 	/* point size 12.4 fixed point (divide by two, because 0.5 = 1 pixel. */
535 	tmp = r600_pack_float_12p4(state->point_size/2);
536 	r600_store_value(&rs->buffer, /* R_028A00_PA_SU_POINT_SIZE */
537 			 S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
538 	r600_store_value(&rs->buffer, /* R_028A04_PA_SU_POINT_MINMAX */
539 			 S_028A04_MIN_SIZE(r600_pack_float_12p4(psize_min/2)) |
540 			 S_028A04_MAX_SIZE(r600_pack_float_12p4(psize_max/2)));
541 	r600_store_value(&rs->buffer, /* R_028A08_PA_SU_LINE_CNTL */
542 			 S_028A08_WIDTH(r600_pack_float_12p4(state->line_width/2)));
543 
544 	r600_store_context_reg(&rs->buffer, R_0286D4_SPI_INTERP_CONTROL_0, spi_interp);
545 	r600_store_context_reg(&rs->buffer, R_028A4C_PA_SC_MODE_CNTL, sc_mode_cntl);
546 	r600_store_context_reg(&rs->buffer, R_028C08_PA_SU_VTX_CNTL,
547 			       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
548 			       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
549 	r600_store_context_reg(&rs->buffer, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
550 
551 	rs->pa_su_sc_mode_cntl = S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) |
552 				 S_028814_CULL_FRONT(state->cull_face & PIPE_FACE_FRONT ? 1 : 0) |
553 				 S_028814_CULL_BACK(state->cull_face & PIPE_FACE_BACK ? 1 : 0) |
554 				 S_028814_FACE(!state->front_ccw) |
555 				 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) |
556 				 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) |
557 				 S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) |
558 				 S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL ||
559 									 state->fill_back != PIPE_POLYGON_MODE_FILL) |
560 				 S_028814_POLYMODE_FRONT_PTYPE(r600_translate_fill(state->fill_front)) |
561 				 S_028814_POLYMODE_BACK_PTYPE(r600_translate_fill(state->fill_back));
562 	if (rctx->b.chip_class == R700) {
563 		r600_store_context_reg(&rs->buffer, R_028814_PA_SU_SC_MODE_CNTL, rs->pa_su_sc_mode_cntl);
564 	}
565 	if (rctx->b.chip_class == R600) {
566 		r600_store_context_reg(&rs->buffer, R_028350_SX_MISC,
567 				       S_028350_MULTIPASS(state->rasterizer_discard));
568 	}
569 	return rs;
570 }
571 
r600_tex_filter(unsigned filter,unsigned max_aniso)572 static unsigned r600_tex_filter(unsigned filter, unsigned max_aniso)
573 {
574 	if (filter == PIPE_TEX_FILTER_LINEAR)
575 		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_BILINEAR
576 				     : V_03C000_SQ_TEX_XY_FILTER_BILINEAR;
577 	else
578 		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_POINT
579 				     : V_03C000_SQ_TEX_XY_FILTER_POINT;
580 }
581 
r600_create_sampler_state(struct pipe_context * ctx,const struct pipe_sampler_state * state)582 static void *r600_create_sampler_state(struct pipe_context *ctx,
583 					const struct pipe_sampler_state *state)
584 {
585 	struct r600_common_screen *rscreen = (struct r600_common_screen*)ctx->screen;
586 	struct r600_pipe_sampler_state *ss = CALLOC_STRUCT(r600_pipe_sampler_state);
587 	unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
588 						       : state->max_anisotropy;
589 	unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
590 
591 	if (!ss) {
592 		return NULL;
593 	}
594 
595 	ss->seamless_cube_map = state->seamless_cube_map;
596 	ss->border_color_use = sampler_state_needs_border_color(state);
597 
598 	/* R_03C000_SQ_TEX_SAMPLER_WORD0_0 */
599 	ss->tex_sampler_words[0] =
600 		S_03C000_CLAMP_X(r600_tex_wrap(state->wrap_s)) |
601 		S_03C000_CLAMP_Y(r600_tex_wrap(state->wrap_t)) |
602 		S_03C000_CLAMP_Z(r600_tex_wrap(state->wrap_r)) |
603 		S_03C000_XY_MAG_FILTER(r600_tex_filter(state->mag_img_filter, max_aniso)) |
604 		S_03C000_XY_MIN_FILTER(r600_tex_filter(state->min_img_filter, max_aniso)) |
605 		S_03C000_MIP_FILTER(r600_tex_mipfilter(state->min_mip_filter)) |
606 		S_03C000_MAX_ANISO_RATIO(max_aniso_ratio) |
607 		S_03C000_DEPTH_COMPARE_FUNCTION(r600_tex_compare(state->compare_func)) |
608 		S_03C000_BORDER_COLOR_TYPE(ss->border_color_use ? V_03C000_SQ_TEX_BORDER_COLOR_REGISTER : 0);
609 	/* R_03C004_SQ_TEX_SAMPLER_WORD1_0 */
610 	ss->tex_sampler_words[1] =
611 		S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 6)) |
612 		S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 6)) |
613 		S_03C004_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 6));
614 	/* R_03C008_SQ_TEX_SAMPLER_WORD2_0 */
615 	ss->tex_sampler_words[2] = S_03C008_TYPE(1);
616 
617 	if (ss->border_color_use) {
618 		memcpy(&ss->border_color, &state->border_color, sizeof(state->border_color));
619 	}
620 	return ss;
621 }
622 
623 static struct pipe_sampler_view *
texture_buffer_sampler_view(struct r600_pipe_sampler_view * view,unsigned width0,unsigned height0)624 texture_buffer_sampler_view(struct r600_pipe_sampler_view *view,
625 			    unsigned width0, unsigned height0)
626 
627 {
628 	struct r600_texture *tmp = (struct r600_texture*)view->base.texture;
629 	int stride = util_format_get_blocksize(view->base.format);
630 	unsigned format, num_format, format_comp, endian;
631 	uint64_t offset = view->base.u.buf.offset;
632 	unsigned size = view->base.u.buf.size;
633 
634 	r600_vertex_data_type(view->base.format,
635 			      &format, &num_format, &format_comp,
636 			      &endian);
637 
638 	view->tex_resource = &tmp->resource;
639 	view->skip_mip_address_reloc = true;
640 
641 	view->tex_resource_words[0] = offset;
642 	view->tex_resource_words[1] = size - 1;
643 	view->tex_resource_words[2] = S_038008_BASE_ADDRESS_HI(offset >> 32UL) |
644 		S_038008_STRIDE(stride) |
645 		S_038008_DATA_FORMAT(format) |
646 		S_038008_NUM_FORMAT_ALL(num_format) |
647 		S_038008_FORMAT_COMP_ALL(format_comp) |
648 		S_038008_ENDIAN_SWAP(endian);
649 	view->tex_resource_words[3] = 0;
650 	/*
651 	 * in theory dword 4 is for number of elements, for use with resinfo,
652 	 * but it seems to utterly fail to work, the amd gpu shader analyser
653 	 * uses a const buffer to store the element sizes for buffer txq
654 	 */
655 	view->tex_resource_words[4] = 0;
656 	view->tex_resource_words[5] = 0;
657 	view->tex_resource_words[6] = S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_BUFFER);
658 	return &view->base;
659 }
660 
661 struct pipe_sampler_view *
r600_create_sampler_view_custom(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_sampler_view * state,unsigned width_first_level,unsigned height_first_level)662 r600_create_sampler_view_custom(struct pipe_context *ctx,
663 				struct pipe_resource *texture,
664 				const struct pipe_sampler_view *state,
665 				unsigned width_first_level, unsigned height_first_level)
666 {
667 	struct r600_pipe_sampler_view *view = CALLOC_STRUCT(r600_pipe_sampler_view);
668 	struct r600_texture *tmp = (struct r600_texture*)texture;
669 	unsigned format, endian;
670 	uint32_t word4 = 0, yuv_format = 0, pitch = 0;
671 	unsigned char swizzle[4], array_mode = 0;
672 	unsigned width, height, depth, offset_level, last_level;
673 	bool do_endian_swap = FALSE;
674 
675 	if (!view)
676 		return NULL;
677 
678 	/* initialize base object */
679 	view->base = *state;
680 	view->base.texture = NULL;
681 	pipe_reference(NULL, &texture->reference);
682 	view->base.texture = texture;
683 	view->base.reference.count = 1;
684 	view->base.context = ctx;
685 
686 	if (texture->target == PIPE_BUFFER)
687 		return texture_buffer_sampler_view(view, texture->width0, 1);
688 
689 	swizzle[0] = state->swizzle_r;
690 	swizzle[1] = state->swizzle_g;
691 	swizzle[2] = state->swizzle_b;
692 	swizzle[3] = state->swizzle_a;
693 
694 	if (R600_BIG_ENDIAN)
695 		do_endian_swap = !tmp->db_compatible;
696 
697 	format = r600_translate_texformat(ctx->screen, state->format,
698 					  swizzle,
699 					  &word4, &yuv_format, do_endian_swap);
700 	assert(format != ~0);
701 	if (format == ~0) {
702 		FREE(view);
703 		return NULL;
704 	}
705 
706 	if (state->format == PIPE_FORMAT_X24S8_UINT ||
707 	    state->format == PIPE_FORMAT_S8X24_UINT ||
708 	    state->format == PIPE_FORMAT_X32_S8X24_UINT ||
709 	    state->format == PIPE_FORMAT_S8_UINT)
710 		view->is_stencil_sampler = true;
711 
712 	if (tmp->is_depth && !r600_can_sample_zs(tmp, view->is_stencil_sampler)) {
713 		if (!r600_init_flushed_depth_texture(ctx, texture, NULL)) {
714 			FREE(view);
715 			return NULL;
716 		}
717 		tmp = tmp->flushed_depth_texture;
718 	}
719 
720 	endian = r600_colorformat_endian_swap(format, do_endian_swap);
721 
722 	offset_level = state->u.tex.first_level;
723 	last_level = state->u.tex.last_level - offset_level;
724 	width = width_first_level;
725 	height = height_first_level;
726         depth = u_minify(texture->depth0, offset_level);
727 	pitch = tmp->surface.u.legacy.level[offset_level].nblk_x * util_format_get_blockwidth(state->format);
728 
729 	if (texture->target == PIPE_TEXTURE_1D_ARRAY) {
730 		height = 1;
731 		depth = texture->array_size;
732 	} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
733 		depth = texture->array_size;
734 	} else if (texture->target == PIPE_TEXTURE_CUBE_ARRAY)
735 		depth = texture->array_size / 6;
736 
737 	switch (tmp->surface.u.legacy.level[offset_level].mode) {
738 	default:
739 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
740 		array_mode = V_038000_ARRAY_LINEAR_ALIGNED;
741 		break;
742 	case RADEON_SURF_MODE_1D:
743 		array_mode = V_038000_ARRAY_1D_TILED_THIN1;
744 		break;
745 	case RADEON_SURF_MODE_2D:
746 		array_mode = V_038000_ARRAY_2D_TILED_THIN1;
747 		break;
748 	}
749 
750 	view->tex_resource = &tmp->resource;
751 	view->tex_resource_words[0] = (S_038000_DIM(r600_tex_dim(texture->target, texture->nr_samples)) |
752 				       S_038000_TILE_MODE(array_mode) |
753 				       S_038000_TILE_TYPE(tmp->non_disp_tiling) |
754 				       S_038000_PITCH((pitch / 8) - 1) |
755 				       S_038000_TEX_WIDTH(width - 1));
756 	view->tex_resource_words[1] = (S_038004_TEX_HEIGHT(height - 1) |
757 				       S_038004_TEX_DEPTH(depth - 1) |
758 				       S_038004_DATA_FORMAT(format));
759 	view->tex_resource_words[2] = tmp->surface.u.legacy.level[offset_level].offset >> 8;
760 	if (offset_level >= tmp->resource.b.b.last_level) {
761 		view->tex_resource_words[3] = tmp->surface.u.legacy.level[offset_level].offset >> 8;
762 	} else {
763 		view->tex_resource_words[3] = tmp->surface.u.legacy.level[offset_level + 1].offset >> 8;
764 	}
765 	view->tex_resource_words[4] = (word4 |
766 				       S_038010_REQUEST_SIZE(1) |
767 				       S_038010_ENDIAN_SWAP(endian) |
768 				       S_038010_BASE_LEVEL(0));
769 	view->tex_resource_words[5] = (S_038014_BASE_ARRAY(state->u.tex.first_layer) |
770 				       S_038014_LAST_ARRAY(state->u.tex.last_layer));
771 	if (texture->nr_samples > 1) {
772 		/* LAST_LEVEL holds log2(nr_samples) for multisample textures */
773 		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(util_logbase2(texture->nr_samples));
774 	} else {
775 		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(last_level);
776 	}
777 	view->tex_resource_words[6] = (S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_TEXTURE) |
778 				       S_038018_MAX_ANISO(4 /* max 16 samples */));
779 	return &view->base;
780 }
781 
782 static struct pipe_sampler_view *
r600_create_sampler_view(struct pipe_context * ctx,struct pipe_resource * tex,const struct pipe_sampler_view * state)783 r600_create_sampler_view(struct pipe_context *ctx,
784 			 struct pipe_resource *tex,
785 			 const struct pipe_sampler_view *state)
786 {
787 	return r600_create_sampler_view_custom(ctx, tex, state,
788                                                u_minify(tex->width0, state->u.tex.first_level),
789                                                u_minify(tex->height0, state->u.tex.first_level));
790 }
791 
r600_emit_clip_state(struct r600_context * rctx,struct r600_atom * atom)792 static void r600_emit_clip_state(struct r600_context *rctx, struct r600_atom *atom)
793 {
794 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
795 	struct pipe_clip_state *state = &rctx->clip_state.state;
796 
797 	radeon_set_context_reg_seq(cs, R_028E20_PA_CL_UCP0_X, 6*4);
798 	radeon_emit_array(cs, (unsigned*)state, 6*4);
799 }
800 
r600_set_polygon_stipple(struct pipe_context * ctx,const struct pipe_poly_stipple * state)801 static void r600_set_polygon_stipple(struct pipe_context *ctx,
802 					 const struct pipe_poly_stipple *state)
803 {
804 }
805 
r600_init_color_surface(struct r600_context * rctx,struct r600_surface * surf,bool force_cmask_fmask)806 static void r600_init_color_surface(struct r600_context *rctx,
807 				    struct r600_surface *surf,
808 				    bool force_cmask_fmask)
809 {
810 	struct r600_screen *rscreen = rctx->screen;
811 	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
812 	unsigned level = surf->base.u.tex.level;
813 	unsigned pitch, slice;
814 	unsigned color_info;
815 	unsigned color_view;
816 	unsigned format, swap, ntype, endian;
817 	unsigned offset;
818 	const struct util_format_description *desc;
819 	int i;
820 	bool blend_bypass = 0, blend_clamp = 0, do_endian_swap = FALSE;
821 
822 	if (rtex->db_compatible && !r600_can_sample_zs(rtex, false)) {
823 		r600_init_flushed_depth_texture(&rctx->b.b, surf->base.texture, NULL);
824 		rtex = rtex->flushed_depth_texture;
825 		assert(rtex);
826 	}
827 
828 	offset = rtex->surface.u.legacy.level[level].offset;
829 	color_view = S_028080_SLICE_START(surf->base.u.tex.first_layer) |
830 		     S_028080_SLICE_MAX(surf->base.u.tex.last_layer);
831 
832 	pitch = rtex->surface.u.legacy.level[level].nblk_x / 8 - 1;
833 	slice = (rtex->surface.u.legacy.level[level].nblk_x * rtex->surface.u.legacy.level[level].nblk_y) / 64;
834 	if (slice) {
835 		slice = slice - 1;
836 	}
837 	color_info = 0;
838 	switch (rtex->surface.u.legacy.level[level].mode) {
839 	default:
840 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
841 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_LINEAR_ALIGNED);
842 		break;
843 	case RADEON_SURF_MODE_1D:
844 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_1D_TILED_THIN1);
845 		break;
846 	case RADEON_SURF_MODE_2D:
847 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_2D_TILED_THIN1);
848 		break;
849 	}
850 
851 	desc = util_format_description(surf->base.format);
852 
853 	for (i = 0; i < 4; i++) {
854 		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
855 			break;
856 		}
857 	}
858 
859 	ntype = V_0280A0_NUMBER_UNORM;
860 	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
861 		ntype = V_0280A0_NUMBER_SRGB;
862 	else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
863 		if (desc->channel[i].normalized)
864 			ntype = V_0280A0_NUMBER_SNORM;
865 		else if (desc->channel[i].pure_integer)
866 			ntype = V_0280A0_NUMBER_SINT;
867 	} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
868 		if (desc->channel[i].normalized)
869 			ntype = V_0280A0_NUMBER_UNORM;
870 		else if (desc->channel[i].pure_integer)
871 			ntype = V_0280A0_NUMBER_UINT;
872 	} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
873 		ntype = V_0280A0_NUMBER_FLOAT;
874 	}
875 
876 	if (R600_BIG_ENDIAN)
877 		do_endian_swap = !rtex->db_compatible;
878 
879 	format = r600_translate_colorformat(rctx->b.chip_class, surf->base.format,
880 			                              do_endian_swap);
881 	assert(format != ~0);
882 
883 	swap = r600_translate_colorswap(surf->base.format, do_endian_swap);
884 	assert(swap != ~0);
885 
886 	endian = r600_colorformat_endian_swap(format, do_endian_swap);
887 
888 	/* blend clamp should be set for all NORM/SRGB types */
889 	if (ntype == V_0280A0_NUMBER_UNORM || ntype == V_0280A0_NUMBER_SNORM ||
890 	    ntype == V_0280A0_NUMBER_SRGB)
891 		blend_clamp = 1;
892 
893 	/* set blend bypass according to docs if SINT/UINT or
894 	   8/24 COLOR variants */
895 	if (ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT ||
896 	    format == V_0280A0_COLOR_8_24 || format == V_0280A0_COLOR_24_8 ||
897 	    format == V_0280A0_COLOR_X24_8_32_FLOAT) {
898 		blend_clamp = 0;
899 		blend_bypass = 1;
900 	}
901 
902 	surf->alphatest_bypass = ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT;
903 
904 	color_info |= S_0280A0_FORMAT(format) |
905 		S_0280A0_COMP_SWAP(swap) |
906 		S_0280A0_BLEND_BYPASS(blend_bypass) |
907 		S_0280A0_BLEND_CLAMP(blend_clamp) |
908 		S_0280A0_SIMPLE_FLOAT(1) |
909 		S_0280A0_NUMBER_TYPE(ntype) |
910 		S_0280A0_ENDIAN(endian);
911 
912 	/* EXPORT_NORM is an optimzation that can be enabled for better
913 	 * performance in certain cases
914 	 */
915 	if (rctx->b.chip_class == R600) {
916 		/* EXPORT_NORM can be enabled if:
917 		 * - 11-bit or smaller UNORM/SNORM/SRGB
918 		 * - BLEND_CLAMP is enabled
919 		 * - BLEND_FLOAT32 is disabled
920 		 */
921 		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
922 		    (desc->channel[i].size < 12 &&
923 		     desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
924 		     ntype != V_0280A0_NUMBER_UINT &&
925 		     ntype != V_0280A0_NUMBER_SINT) &&
926 		    G_0280A0_BLEND_CLAMP(color_info) &&
927 		    /* XXX this condition is always true since BLEND_FLOAT32 is never set (bug?). */
928 		    !G_0280A0_BLEND_FLOAT32(color_info)) {
929 			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
930 			surf->export_16bpc = true;
931 		}
932 	} else {
933 		/* EXPORT_NORM can be enabled if:
934 		 * - 11-bit or smaller UNORM/SNORM/SRGB
935 		 * - 16-bit or smaller FLOAT
936 		 */
937 		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
938 		    ((desc->channel[i].size < 12 &&
939 		      desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
940 		      ntype != V_0280A0_NUMBER_UINT && ntype != V_0280A0_NUMBER_SINT) ||
941 		    (desc->channel[i].size < 17 &&
942 		     desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT))) {
943 			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
944 			surf->export_16bpc = true;
945 		}
946 	}
947 
948 	/* These might not always be initialized to zero. */
949 	surf->cb_color_base = offset >> 8;
950 	surf->cb_color_size = S_028060_PITCH_TILE_MAX(pitch) |
951 			      S_028060_SLICE_TILE_MAX(slice);
952 	surf->cb_color_fmask = surf->cb_color_base;
953 	surf->cb_color_cmask = surf->cb_color_base;
954 	surf->cb_color_mask = 0;
955 
956 	r600_resource_reference(&surf->cb_buffer_cmask, &rtex->resource);
957 	r600_resource_reference(&surf->cb_buffer_fmask, &rtex->resource);
958 
959 	if (rtex->cmask.size) {
960 		surf->cb_color_cmask = rtex->cmask.offset >> 8;
961 		surf->cb_color_mask |= S_028100_CMASK_BLOCK_MAX(rtex->cmask.slice_tile_max);
962 
963 		if (rtex->fmask.size) {
964 			color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
965 			surf->cb_color_fmask = rtex->fmask.offset >> 8;
966 			surf->cb_color_mask |= S_028100_FMASK_TILE_MAX(rtex->fmask.slice_tile_max);
967 		} else { /* cmask only */
968 			color_info |= S_0280A0_TILE_MODE(V_0280A0_CLEAR_ENABLE);
969 		}
970 	} else if (force_cmask_fmask) {
971 		/* Allocate dummy FMASK and CMASK if they aren't allocated already.
972 		 *
973 		 * R6xx needs FMASK and CMASK for the destination buffer of color resolve,
974 		 * otherwise it hangs. We don't have FMASK and CMASK pre-allocated,
975 		 * because it's not an MSAA buffer.
976 		 */
977 		struct r600_cmask_info cmask;
978 		struct r600_fmask_info fmask;
979 
980 		r600_texture_get_cmask_info(&rscreen->b, rtex, &cmask);
981 		r600_texture_get_fmask_info(&rscreen->b, rtex, 8, &fmask);
982 
983 		/* CMASK. */
984 		if (!rctx->dummy_cmask ||
985 		    rctx->dummy_cmask->b.b.width0 < cmask.size ||
986 		    rctx->dummy_cmask->buf->alignment % cmask.alignment != 0) {
987 			struct pipe_transfer *transfer;
988 			void *ptr;
989 
990 			r600_resource_reference(&rctx->dummy_cmask, NULL);
991 			rctx->dummy_cmask = (struct r600_resource*)
992 				r600_aligned_buffer_create(&rscreen->b.b, 0,
993 							   PIPE_USAGE_DEFAULT,
994 							   cmask.size, cmask.alignment);
995 
996 			if (unlikely(!rctx->dummy_cmask)) {
997 				surf->color_initialized = false;
998 				return;
999 			}
1000 
1001 			/* Set the contents to 0xCC. */
1002 			ptr = pipe_buffer_map(&rctx->b.b, &rctx->dummy_cmask->b.b, PIPE_TRANSFER_WRITE, &transfer);
1003 			memset(ptr, 0xCC, cmask.size);
1004 			pipe_buffer_unmap(&rctx->b.b, transfer);
1005 		}
1006 		r600_resource_reference(&surf->cb_buffer_cmask, rctx->dummy_cmask);
1007 
1008 		/* FMASK. */
1009 		if (!rctx->dummy_fmask ||
1010 		    rctx->dummy_fmask->b.b.width0 < fmask.size ||
1011 		    rctx->dummy_fmask->buf->alignment % fmask.alignment != 0) {
1012 			r600_resource_reference(&rctx->dummy_fmask, NULL);
1013 			rctx->dummy_fmask = (struct r600_resource*)
1014 				r600_aligned_buffer_create(&rscreen->b.b, 0,
1015 							   PIPE_USAGE_DEFAULT,
1016 							   fmask.size, fmask.alignment);
1017 
1018 			if (unlikely(!rctx->dummy_fmask)) {
1019 				surf->color_initialized = false;
1020 				return;
1021 			}
1022 		}
1023 		r600_resource_reference(&surf->cb_buffer_fmask, rctx->dummy_fmask);
1024 
1025 		/* Init the registers. */
1026 		color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
1027 		surf->cb_color_cmask = 0;
1028 		surf->cb_color_fmask = 0;
1029 		surf->cb_color_mask = S_028100_CMASK_BLOCK_MAX(cmask.slice_tile_max) |
1030 				      S_028100_FMASK_TILE_MAX(fmask.slice_tile_max);
1031 	}
1032 
1033 	surf->cb_color_info = color_info;
1034 	surf->cb_color_view = color_view;
1035 	surf->color_initialized = true;
1036 }
1037 
r600_init_depth_surface(struct r600_context * rctx,struct r600_surface * surf)1038 static void r600_init_depth_surface(struct r600_context *rctx,
1039 				    struct r600_surface *surf)
1040 {
1041 	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
1042 	unsigned level, pitch, slice, format, offset, array_mode;
1043 
1044 	level = surf->base.u.tex.level;
1045 	offset = rtex->surface.u.legacy.level[level].offset;
1046 	pitch = rtex->surface.u.legacy.level[level].nblk_x / 8 - 1;
1047 	slice = (rtex->surface.u.legacy.level[level].nblk_x * rtex->surface.u.legacy.level[level].nblk_y) / 64;
1048 	if (slice) {
1049 		slice = slice - 1;
1050 	}
1051 	switch (rtex->surface.u.legacy.level[level].mode) {
1052 	case RADEON_SURF_MODE_2D:
1053 		array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
1054 		break;
1055 	case RADEON_SURF_MODE_1D:
1056 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1057 	default:
1058 		array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
1059 		break;
1060 	}
1061 
1062 	format = r600_translate_dbformat(surf->base.format);
1063 	assert(format != ~0);
1064 
1065 	surf->db_depth_info = S_028010_ARRAY_MODE(array_mode) | S_028010_FORMAT(format);
1066 	surf->db_depth_base = offset >> 8;
1067 	surf->db_depth_view = S_028004_SLICE_START(surf->base.u.tex.first_layer) |
1068 			      S_028004_SLICE_MAX(surf->base.u.tex.last_layer);
1069 	surf->db_depth_size = S_028000_PITCH_TILE_MAX(pitch) | S_028000_SLICE_TILE_MAX(slice);
1070 	surf->db_prefetch_limit = (rtex->surface.u.legacy.level[level].nblk_y / 8) - 1;
1071 
1072 	if (r600_htile_enabled(rtex, level)) {
1073 		surf->db_htile_data_base = rtex->htile_offset >> 8;
1074 		surf->db_htile_surface = S_028D24_HTILE_WIDTH(1) |
1075 					 S_028D24_HTILE_HEIGHT(1) |
1076 					 S_028D24_FULL_CACHE(1);
1077 		/* preload is not working properly on r6xx/r7xx */
1078 		surf->db_depth_info |= S_028010_TILE_SURFACE_ENABLE(1);
1079 	}
1080 
1081 	surf->depth_initialized = true;
1082 }
1083 
r600_set_framebuffer_state(struct pipe_context * ctx,const struct pipe_framebuffer_state * state)1084 static void r600_set_framebuffer_state(struct pipe_context *ctx,
1085 					const struct pipe_framebuffer_state *state)
1086 {
1087 	struct r600_context *rctx = (struct r600_context *)ctx;
1088 	struct r600_surface *surf;
1089 	struct r600_texture *rtex;
1090 	unsigned i;
1091 
1092 	/* Flush TC when changing the framebuffer state, because the only
1093 	 * client not using TC that can change textures is the framebuffer.
1094 	 * Other places don't typically have to flush TC.
1095 	 */
1096 	rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE |
1097 			 R600_CONTEXT_FLUSH_AND_INV |
1098 			 R600_CONTEXT_FLUSH_AND_INV_CB |
1099 			 R600_CONTEXT_FLUSH_AND_INV_CB_META |
1100 			 R600_CONTEXT_FLUSH_AND_INV_DB |
1101 			 R600_CONTEXT_FLUSH_AND_INV_DB_META |
1102 			 R600_CONTEXT_INV_TEX_CACHE;
1103 
1104 	/* Set the new state. */
1105 	util_copy_framebuffer_state(&rctx->framebuffer.state, state);
1106 
1107 	rctx->framebuffer.export_16bpc = state->nr_cbufs != 0;
1108 	rctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
1109 			       util_format_is_pure_integer(state->cbufs[0]->format);
1110 	rctx->framebuffer.compressed_cb_mask = 0;
1111 	rctx->framebuffer.is_msaa_resolve = state->nr_cbufs == 2 &&
1112 					    state->cbufs[0] && state->cbufs[1] &&
1113 					    state->cbufs[0]->texture->nr_samples > 1 &&
1114 				            state->cbufs[1]->texture->nr_samples <= 1;
1115 	rctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state);
1116 
1117 	/* Colorbuffers. */
1118 	for (i = 0; i < state->nr_cbufs; i++) {
1119 		/* The resolve buffer must have CMASK and FMASK to prevent hardlocks on R6xx. */
1120 		bool force_cmask_fmask = rctx->b.chip_class == R600 &&
1121 					 rctx->framebuffer.is_msaa_resolve &&
1122 					 i == 1;
1123 
1124 		surf = (struct r600_surface*)state->cbufs[i];
1125 		if (!surf)
1126 			continue;
1127 
1128 		rtex = (struct r600_texture*)surf->base.texture;
1129 		r600_context_add_resource_size(ctx, state->cbufs[i]->texture);
1130 
1131 		if (!surf->color_initialized || force_cmask_fmask) {
1132 			r600_init_color_surface(rctx, surf, force_cmask_fmask);
1133 			if (force_cmask_fmask) {
1134 				/* re-initialize later without compression */
1135 				surf->color_initialized = false;
1136 			}
1137 		}
1138 
1139 		if (!surf->export_16bpc) {
1140 			rctx->framebuffer.export_16bpc = false;
1141 		}
1142 
1143 		if (rtex->fmask.size) {
1144 			rctx->framebuffer.compressed_cb_mask |= 1 << i;
1145 		}
1146 	}
1147 
1148 	/* Update alpha-test state dependencies.
1149 	 * Alpha-test is done on the first colorbuffer only. */
1150 	if (state->nr_cbufs) {
1151 		bool alphatest_bypass = false;
1152 
1153 		surf = (struct r600_surface*)state->cbufs[0];
1154 		if (surf) {
1155 			alphatest_bypass = surf->alphatest_bypass;
1156 		}
1157 
1158 		if (rctx->alphatest_state.bypass != alphatest_bypass) {
1159 			rctx->alphatest_state.bypass = alphatest_bypass;
1160 			r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1161 		}
1162 	}
1163 
1164 	/* ZS buffer. */
1165 	if (state->zsbuf) {
1166 		surf = (struct r600_surface*)state->zsbuf;
1167 
1168 		r600_context_add_resource_size(ctx, state->zsbuf->texture);
1169 
1170 		if (!surf->depth_initialized) {
1171 			r600_init_depth_surface(rctx, surf);
1172 		}
1173 
1174 		if (state->zsbuf->format != rctx->poly_offset_state.zs_format) {
1175 			rctx->poly_offset_state.zs_format = state->zsbuf->format;
1176 			r600_mark_atom_dirty(rctx, &rctx->poly_offset_state.atom);
1177 		}
1178 
1179 		if (rctx->db_state.rsurf != surf) {
1180 			rctx->db_state.rsurf = surf;
1181 			r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1182 			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1183 		}
1184 	} else if (rctx->db_state.rsurf) {
1185 		rctx->db_state.rsurf = NULL;
1186 		r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1187 		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1188 	}
1189 
1190 	if (rctx->cb_misc_state.nr_cbufs != state->nr_cbufs) {
1191 		rctx->cb_misc_state.nr_cbufs = state->nr_cbufs;
1192 		r600_mark_atom_dirty(rctx, &rctx->cb_misc_state.atom);
1193 	}
1194 
1195 	if (state->nr_cbufs == 0 && rctx->alphatest_state.bypass) {
1196 		rctx->alphatest_state.bypass = false;
1197 		r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1198 	}
1199 
1200 	/* Calculate the CS size. */
1201 	rctx->framebuffer.atom.num_dw =
1202 		10 /*COLOR_INFO*/ + 4 /*SCISSOR*/ + 3 /*SHADER_CONTROL*/ + 8 /*MSAA*/;
1203 
1204 	if (rctx->framebuffer.state.nr_cbufs) {
1205 		rctx->framebuffer.atom.num_dw += 15 * rctx->framebuffer.state.nr_cbufs;
1206 		rctx->framebuffer.atom.num_dw += 3 * (2 + rctx->framebuffer.state.nr_cbufs);
1207 	}
1208 	if (rctx->framebuffer.state.zsbuf) {
1209 		rctx->framebuffer.atom.num_dw += 16;
1210 	} else if (rctx->screen->b.info.drm_minor >= 18) {
1211 		rctx->framebuffer.atom.num_dw += 3;
1212 	}
1213 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770) {
1214 		rctx->framebuffer.atom.num_dw += 2;
1215 	}
1216 
1217 	r600_mark_atom_dirty(rctx, &rctx->framebuffer.atom);
1218 
1219 	r600_set_sample_locations_constant_buffer(rctx);
1220 	rctx->framebuffer.do_update_surf_dirtiness = true;
1221 }
1222 
1223 static uint32_t sample_locs_2x[] = {
1224 	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1225 	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1226 };
1227 static unsigned max_dist_2x = 4;
1228 
1229 static uint32_t sample_locs_4x[] = {
1230 	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1231 	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1232 };
1233 static unsigned max_dist_4x = 6;
1234 static uint32_t sample_locs_8x[] = {
1235 	FILL_SREG(-1,  1,  1,  5,  3, -5,  5,  3),
1236 	FILL_SREG(-7, -1, -3, -7,  7, -3, -5,  7),
1237 };
1238 static unsigned max_dist_8x = 7;
1239 
r600_get_sample_position(struct pipe_context * ctx,unsigned sample_count,unsigned sample_index,float * out_value)1240 static void r600_get_sample_position(struct pipe_context *ctx,
1241 				     unsigned sample_count,
1242 				     unsigned sample_index,
1243 				     float *out_value)
1244 {
1245 	int offset, index;
1246 	struct {
1247 		int idx:4;
1248 	} val;
1249 	switch (sample_count) {
1250 	case 1:
1251 	default:
1252 		out_value[0] = out_value[1] = 0.5;
1253 		break;
1254 	case 2:
1255 		offset = 4 * (sample_index * 2);
1256 		val.idx = (sample_locs_2x[0] >> offset) & 0xf;
1257 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1258 		val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
1259 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1260 		break;
1261 	case 4:
1262 		offset = 4 * (sample_index * 2);
1263 		val.idx = (sample_locs_4x[0] >> offset) & 0xf;
1264 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1265 		val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
1266 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1267 		break;
1268 	case 8:
1269 		offset = 4 * (sample_index % 4 * 2);
1270 		index = (sample_index / 4);
1271 		val.idx = (sample_locs_8x[index] >> offset) & 0xf;
1272 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1273 		val.idx = (sample_locs_8x[index] >> (offset + 4)) & 0xf;
1274 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1275 		break;
1276 	}
1277 }
1278 
r600_emit_msaa_state(struct r600_context * rctx,int nr_samples)1279 static void r600_emit_msaa_state(struct r600_context *rctx, int nr_samples)
1280 {
1281 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1282 	unsigned max_dist = 0;
1283 
1284 	if (rctx->b.family == CHIP_R600) {
1285 		switch (nr_samples) {
1286 		default:
1287 			nr_samples = 0;
1288 			break;
1289 		case 2:
1290 			radeon_set_config_reg(cs, R_008B40_PA_SC_AA_SAMPLE_LOCS_2S, sample_locs_2x[0]);
1291 			max_dist = max_dist_2x;
1292 			break;
1293 		case 4:
1294 			radeon_set_config_reg(cs, R_008B44_PA_SC_AA_SAMPLE_LOCS_4S, sample_locs_4x[0]);
1295 			max_dist = max_dist_4x;
1296 			break;
1297 		case 8:
1298 			radeon_set_config_reg_seq(cs, R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0, 2);
1299 			radeon_emit(cs, sample_locs_8x[0]); /* R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0 */
1300 			radeon_emit(cs, sample_locs_8x[1]); /* R_008B4C_PA_SC_AA_SAMPLE_LOCS_8S_WD1 */
1301 			max_dist = max_dist_8x;
1302 			break;
1303 		}
1304 	} else {
1305 		switch (nr_samples) {
1306 		default:
1307 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1308 			radeon_emit(cs, 0); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1309 			radeon_emit(cs, 0); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1310 			nr_samples = 0;
1311 			break;
1312 		case 2:
1313 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1314 			radeon_emit(cs, sample_locs_2x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1315 			radeon_emit(cs, sample_locs_2x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1316 			max_dist = max_dist_2x;
1317 			break;
1318 		case 4:
1319 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1320 			radeon_emit(cs, sample_locs_4x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1321 			radeon_emit(cs, sample_locs_4x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1322 			max_dist = max_dist_4x;
1323 			break;
1324 		case 8:
1325 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1326 			radeon_emit(cs, sample_locs_8x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1327 			radeon_emit(cs, sample_locs_8x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1328 			max_dist = max_dist_8x;
1329 			break;
1330 		}
1331 	}
1332 
1333 	if (nr_samples > 1) {
1334 		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1335 		radeon_emit(cs, S_028C00_LAST_PIXEL(1) |
1336 				     S_028C00_EXPAND_LINE_WIDTH(1)); /* R_028C00_PA_SC_LINE_CNTL */
1337 		radeon_emit(cs, S_028C04_MSAA_NUM_SAMPLES(util_logbase2(nr_samples)) |
1338 				     S_028C04_MAX_SAMPLE_DIST(max_dist)); /* R_028C04_PA_SC_AA_CONFIG */
1339 	} else {
1340 		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1341 		radeon_emit(cs, S_028C00_LAST_PIXEL(1)); /* R_028C00_PA_SC_LINE_CNTL */
1342 		radeon_emit(cs, 0); /* R_028C04_PA_SC_AA_CONFIG */
1343 	}
1344 }
1345 
r600_emit_framebuffer_state(struct r600_context * rctx,struct r600_atom * atom)1346 static void r600_emit_framebuffer_state(struct r600_context *rctx, struct r600_atom *atom)
1347 {
1348 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1349 	struct pipe_framebuffer_state *state = &rctx->framebuffer.state;
1350 	unsigned nr_cbufs = state->nr_cbufs;
1351 	struct r600_surface **cb = (struct r600_surface**)&state->cbufs[0];
1352 	unsigned i, sbu = 0;
1353 
1354 	/* Colorbuffers. */
1355 	radeon_set_context_reg_seq(cs, R_0280A0_CB_COLOR0_INFO, 8);
1356 	for (i = 0; i < nr_cbufs; i++) {
1357 		radeon_emit(cs, cb[i] ? cb[i]->cb_color_info : 0);
1358 	}
1359 	/* set CB_COLOR1_INFO for possible dual-src blending */
1360 	if (rctx->framebuffer.dual_src_blend && i == 1 && cb[0]) {
1361 		radeon_emit(cs, cb[0]->cb_color_info);
1362 		i++;
1363 	}
1364 	for (; i < 8; i++) {
1365 		radeon_emit(cs, 0);
1366 	}
1367 
1368 	if (nr_cbufs) {
1369 		for (i = 0; i < nr_cbufs; i++) {
1370 			unsigned reloc;
1371 
1372 			if (!cb[i])
1373 				continue;
1374 
1375 			/* COLOR_BASE */
1376 			radeon_set_context_reg(cs, R_028040_CB_COLOR0_BASE + i*4, cb[i]->cb_color_base);
1377 
1378 			reloc = radeon_add_to_buffer_list(&rctx->b,
1379 						      &rctx->b.gfx,
1380 						      (struct r600_resource*)cb[i]->base.texture,
1381 						      RADEON_USAGE_READWRITE,
1382 						      cb[i]->base.texture->nr_samples > 1 ?
1383 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1384 							      RADEON_PRIO_COLOR_BUFFER);
1385 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1386 			radeon_emit(cs, reloc);
1387 
1388 			/* FMASK */
1389 			radeon_set_context_reg(cs, R_0280E0_CB_COLOR0_FRAG + i*4, cb[i]->cb_color_fmask);
1390 
1391 			reloc = radeon_add_to_buffer_list(&rctx->b,
1392 						      &rctx->b.gfx,
1393 						      cb[i]->cb_buffer_fmask,
1394 						      RADEON_USAGE_READWRITE,
1395 						      cb[i]->base.texture->nr_samples > 1 ?
1396 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1397 							      RADEON_PRIO_COLOR_BUFFER);
1398 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1399 			radeon_emit(cs, reloc);
1400 
1401 			/* CMASK */
1402 			radeon_set_context_reg(cs, R_0280C0_CB_COLOR0_TILE + i*4, cb[i]->cb_color_cmask);
1403 
1404 			reloc = radeon_add_to_buffer_list(&rctx->b,
1405 						      &rctx->b.gfx,
1406 						      cb[i]->cb_buffer_cmask,
1407 						      RADEON_USAGE_READWRITE,
1408 						      cb[i]->base.texture->nr_samples > 1 ?
1409 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1410 							      RADEON_PRIO_COLOR_BUFFER);
1411 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1412 			radeon_emit(cs, reloc);
1413 		}
1414 
1415 		radeon_set_context_reg_seq(cs, R_028060_CB_COLOR0_SIZE, nr_cbufs);
1416 		for (i = 0; i < nr_cbufs; i++) {
1417 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_size : 0);
1418 		}
1419 
1420 		radeon_set_context_reg_seq(cs, R_028080_CB_COLOR0_VIEW, nr_cbufs);
1421 		for (i = 0; i < nr_cbufs; i++) {
1422 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_view : 0);
1423 		}
1424 
1425 		radeon_set_context_reg_seq(cs, R_028100_CB_COLOR0_MASK, nr_cbufs);
1426 		for (i = 0; i < nr_cbufs; i++) {
1427 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_mask : 0);
1428 		}
1429 
1430 		sbu |= SURFACE_BASE_UPDATE_COLOR_NUM(nr_cbufs);
1431 	}
1432 
1433 	/* SURFACE_BASE_UPDATE */
1434 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1435 		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1436 		radeon_emit(cs, sbu);
1437 		sbu = 0;
1438 	}
1439 
1440 	/* Zbuffer. */
1441 	if (state->zsbuf) {
1442 		struct r600_surface *surf = (struct r600_surface*)state->zsbuf;
1443 		unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
1444 						       &rctx->b.gfx,
1445 						       (struct r600_resource*)state->zsbuf->texture,
1446 						       RADEON_USAGE_READWRITE,
1447 						       surf->base.texture->nr_samples > 1 ?
1448 							       RADEON_PRIO_DEPTH_BUFFER_MSAA :
1449 							       RADEON_PRIO_DEPTH_BUFFER);
1450 
1451 		radeon_set_context_reg_seq(cs, R_028000_DB_DEPTH_SIZE, 2);
1452 		radeon_emit(cs, surf->db_depth_size); /* R_028000_DB_DEPTH_SIZE */
1453 		radeon_emit(cs, surf->db_depth_view); /* R_028004_DB_DEPTH_VIEW */
1454 		radeon_set_context_reg_seq(cs, R_02800C_DB_DEPTH_BASE, 2);
1455 		radeon_emit(cs, surf->db_depth_base); /* R_02800C_DB_DEPTH_BASE */
1456 		radeon_emit(cs, surf->db_depth_info); /* R_028010_DB_DEPTH_INFO */
1457 
1458 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1459 		radeon_emit(cs, reloc);
1460 
1461 		radeon_set_context_reg(cs, R_028D34_DB_PREFETCH_LIMIT, surf->db_prefetch_limit);
1462 
1463 		sbu |= SURFACE_BASE_UPDATE_DEPTH;
1464 	} else if (rctx->screen->b.info.drm_minor >= 18) {
1465 		/* DRM 2.6.18 allows the INVALID format to disable depth/stencil.
1466 		 * Older kernels are out of luck. */
1467 		radeon_set_context_reg(cs, R_028010_DB_DEPTH_INFO, S_028010_FORMAT(V_028010_DEPTH_INVALID));
1468 	}
1469 
1470 	/* SURFACE_BASE_UPDATE */
1471 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1472 		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1473 		radeon_emit(cs, sbu);
1474 		sbu = 0;
1475 	}
1476 
1477 	/* Framebuffer dimensions. */
1478 	radeon_set_context_reg_seq(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL, 2);
1479 	radeon_emit(cs, S_028240_TL_X(0) | S_028240_TL_Y(0) |
1480 			     S_028240_WINDOW_OFFSET_DISABLE(1)); /* R_028204_PA_SC_WINDOW_SCISSOR_TL */
1481 	radeon_emit(cs, S_028244_BR_X(state->width) |
1482 			     S_028244_BR_Y(state->height)); /* R_028208_PA_SC_WINDOW_SCISSOR_BR */
1483 
1484 	if (rctx->framebuffer.is_msaa_resolve) {
1485 		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL, 1);
1486 	} else {
1487 		/* Always enable the first colorbuffer in CB_SHADER_CONTROL. This
1488 		 * will assure that the alpha-test will work even if there is
1489 		 * no colorbuffer bound. */
1490 		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL,
1491 				       (1ull << MAX2(nr_cbufs, 1)) - 1);
1492 	}
1493 
1494 	r600_emit_msaa_state(rctx, rctx->framebuffer.nr_samples);
1495 }
1496 
r600_set_min_samples(struct pipe_context * ctx,unsigned min_samples)1497 static void r600_set_min_samples(struct pipe_context *ctx, unsigned min_samples)
1498 {
1499 	struct r600_context *rctx = (struct r600_context *)ctx;
1500 
1501 	if (rctx->ps_iter_samples == min_samples)
1502 		return;
1503 
1504 	rctx->ps_iter_samples = min_samples;
1505 	if (rctx->framebuffer.nr_samples > 1) {
1506 		r600_mark_atom_dirty(rctx, &rctx->rasterizer_state.atom);
1507 		if (rctx->b.chip_class == R600)
1508 			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1509 	}
1510 }
1511 
r600_emit_cb_misc_state(struct r600_context * rctx,struct r600_atom * atom)1512 static void r600_emit_cb_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1513 {
1514 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1515 	struct r600_cb_misc_state *a = (struct r600_cb_misc_state*)atom;
1516 
1517 	if (G_028808_SPECIAL_OP(a->cb_color_control) == V_028808_SPECIAL_RESOLVE_BOX) {
1518 		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1519 		if (rctx->b.chip_class == R600) {
1520 			radeon_emit(cs, 0xff); /* R_028238_CB_TARGET_MASK */
1521 			radeon_emit(cs, 0xff); /* R_02823C_CB_SHADER_MASK */
1522 		} else {
1523 			radeon_emit(cs, 0xf); /* R_028238_CB_TARGET_MASK */
1524 			radeon_emit(cs, 0xf); /* R_02823C_CB_SHADER_MASK */
1525 		}
1526 		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL, a->cb_color_control);
1527 	} else {
1528 		unsigned fb_colormask = (1ULL << ((unsigned)a->nr_cbufs * 4)) - 1;
1529 		unsigned ps_colormask = (1ULL << ((unsigned)a->nr_ps_color_outputs * 4)) - 1;
1530 		unsigned multiwrite = a->multiwrite && a->nr_cbufs > 1;
1531 
1532 		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1533 		radeon_emit(cs, a->blend_colormask & fb_colormask); /* R_028238_CB_TARGET_MASK */
1534 		/* Always enable the first color output to make sure alpha-test works even without one. */
1535 		radeon_emit(cs, 0xf | (multiwrite ? fb_colormask : ps_colormask)); /* R_02823C_CB_SHADER_MASK */
1536 		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL,
1537 				       a->cb_color_control |
1538 				       S_028808_MULTIWRITE_ENABLE(multiwrite));
1539 	}
1540 }
1541 
r600_emit_db_state(struct r600_context * rctx,struct r600_atom * atom)1542 static void r600_emit_db_state(struct r600_context *rctx, struct r600_atom *atom)
1543 {
1544 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1545 	struct r600_db_state *a = (struct r600_db_state*)atom;
1546 
1547 	if (a->rsurf && a->rsurf->db_htile_surface) {
1548 		struct r600_texture *rtex = (struct r600_texture *)a->rsurf->base.texture;
1549 		unsigned reloc_idx;
1550 
1551 		radeon_set_context_reg(cs, R_02802C_DB_DEPTH_CLEAR, fui(rtex->depth_clear_value));
1552 		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, a->rsurf->db_htile_surface);
1553 		radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, a->rsurf->db_htile_data_base);
1554 		reloc_idx = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, &rtex->resource,
1555 						  RADEON_USAGE_READWRITE, RADEON_PRIO_HTILE);
1556 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1557 		radeon_emit(cs, reloc_idx);
1558 	} else {
1559 		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, 0);
1560 	}
1561 }
1562 
r600_emit_db_misc_state(struct r600_context * rctx,struct r600_atom * atom)1563 static void r600_emit_db_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1564 {
1565 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1566 	struct r600_db_misc_state *a = (struct r600_db_misc_state*)atom;
1567 	unsigned db_render_control = 0;
1568 	unsigned db_render_override =
1569 		S_028D10_FORCE_HIS_ENABLE0(V_028D10_FORCE_DISABLE) |
1570 		S_028D10_FORCE_HIS_ENABLE1(V_028D10_FORCE_DISABLE);
1571 
1572 	if (rctx->b.chip_class >= R700) {
1573 		switch (a->ps_conservative_z) {
1574 		default: /* fall through */
1575 		case TGSI_FS_DEPTH_LAYOUT_ANY:
1576 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_ANY_Z);
1577 			break;
1578 		case TGSI_FS_DEPTH_LAYOUT_GREATER:
1579 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_GREATER_THAN_Z);
1580 			break;
1581 		case TGSI_FS_DEPTH_LAYOUT_LESS:
1582 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_LESS_THAN_Z);
1583 			break;
1584 		}
1585 	}
1586 
1587 	if (rctx->b.num_occlusion_queries > 0 &&
1588 	    !a->occlusion_queries_disabled) {
1589 		if (rctx->b.chip_class >= R700) {
1590 			db_render_control |= S_028D0C_R700_PERFECT_ZPASS_COUNTS(1);
1591 		}
1592 		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1593 	} else {
1594 		db_render_control |= S_028D0C_ZPASS_INCREMENT_DISABLE(1);
1595 	}
1596 
1597 	if (rctx->db_state.rsurf && rctx->db_state.rsurf->db_htile_surface) {
1598 		/* FORCE_OFF means HiZ/HiS are determined by DB_SHADER_CONTROL */
1599 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_OFF);
1600 		/* This is to fix a lockup when hyperz and alpha test are enabled at
1601 		 * the same time somehow GPU get confuse on which order to pick for
1602 		 * z test
1603 		 */
1604 		if (rctx->alphatest_state.sx_alpha_test_control) {
1605 			db_render_override |= S_028D10_FORCE_SHADER_Z_ORDER(1);
1606 		}
1607 	} else {
1608 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1609 	}
1610 	if (rctx->b.chip_class == R600 && rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0) {
1611 		/* sample shading and hyperz causes lockups on R6xx chips */
1612 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1613 	}
1614 	if (a->flush_depthstencil_through_cb) {
1615 		assert(a->copy_depth || a->copy_stencil);
1616 
1617 		db_render_control |= S_028D0C_DEPTH_COPY_ENABLE(a->copy_depth) |
1618 				     S_028D0C_STENCIL_COPY_ENABLE(a->copy_stencil) |
1619 				     S_028D0C_COPY_CENTROID(1) |
1620 				     S_028D0C_COPY_SAMPLE(a->copy_sample);
1621 
1622 		if (rctx->b.chip_class == R600)
1623 			db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1624 
1625 		if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
1626 		    rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
1627 			db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1628 	} else if (a->flush_depth_inplace || a->flush_stencil_inplace) {
1629 		db_render_control |= S_028D0C_DEPTH_COMPRESS_DISABLE(a->flush_depth_inplace) |
1630 				     S_028D0C_STENCIL_COMPRESS_DISABLE(a->flush_stencil_inplace);
1631 		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1632 	}
1633 	if (a->htile_clear) {
1634 		db_render_control |= S_028D0C_DEPTH_CLEAR_ENABLE(1);
1635 	}
1636 
1637 	/* RV770 workaround for a hang with 8x MSAA. */
1638 	if (rctx->b.family == CHIP_RV770 && a->log_samples == 3) {
1639 		db_render_override |= S_028D10_MAX_TILES_IN_DTT(6);
1640 	}
1641 
1642 	radeon_set_context_reg_seq(cs, R_028D0C_DB_RENDER_CONTROL, 2);
1643 	radeon_emit(cs, db_render_control); /* R_028D0C_DB_RENDER_CONTROL */
1644 	radeon_emit(cs, db_render_override); /* R_028D10_DB_RENDER_OVERRIDE */
1645 	radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, a->db_shader_control);
1646 }
1647 
r600_emit_config_state(struct r600_context * rctx,struct r600_atom * atom)1648 static void r600_emit_config_state(struct r600_context *rctx, struct r600_atom *atom)
1649 {
1650 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1651 	struct r600_config_state *a = (struct r600_config_state*)atom;
1652 
1653 	radeon_set_config_reg(cs, R_008C04_SQ_GPR_RESOURCE_MGMT_1, a->sq_gpr_resource_mgmt_1);
1654 	radeon_set_config_reg(cs, R_008C08_SQ_GPR_RESOURCE_MGMT_2, a->sq_gpr_resource_mgmt_2);
1655 }
1656 
r600_emit_vertex_buffers(struct r600_context * rctx,struct r600_atom * atom)1657 static void r600_emit_vertex_buffers(struct r600_context *rctx, struct r600_atom *atom)
1658 {
1659 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1660 	uint32_t dirty_mask = rctx->vertex_buffer_state.dirty_mask;
1661 
1662 	while (dirty_mask) {
1663 		struct pipe_vertex_buffer *vb;
1664 		struct r600_resource *rbuffer;
1665 		unsigned offset;
1666 		unsigned buffer_index = u_bit_scan(&dirty_mask);
1667 
1668 		vb = &rctx->vertex_buffer_state.vb[buffer_index];
1669 		rbuffer = (struct r600_resource*)vb->buffer.resource;
1670 		assert(rbuffer);
1671 
1672 		offset = vb->buffer_offset;
1673 
1674 		/* fetch resources start at index 320 (OFFSET_FS) */
1675 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1676 		radeon_emit(cs, (R600_FETCH_CONSTANTS_OFFSET_FS + buffer_index) * 7);
1677 		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1678 		radeon_emit(cs, rbuffer->b.b.width0 - offset - 1); /* RESOURCEi_WORD1 */
1679 		radeon_emit(cs, /* RESOURCEi_WORD2 */
1680 				 S_038008_ENDIAN_SWAP(r600_endian_swap(32)) |
1681 				 S_038008_STRIDE(vb->stride));
1682 		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1683 		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1684 		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1685 		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1686 
1687 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1688 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1689 						      RADEON_USAGE_READ, RADEON_PRIO_VERTEX_BUFFER));
1690 	}
1691 }
1692 
r600_emit_constant_buffers(struct r600_context * rctx,struct r600_constbuf_state * state,unsigned buffer_id_base,unsigned reg_alu_constbuf_size,unsigned reg_alu_const_cache)1693 static void r600_emit_constant_buffers(struct r600_context *rctx,
1694 				       struct r600_constbuf_state *state,
1695 				       unsigned buffer_id_base,
1696 				       unsigned reg_alu_constbuf_size,
1697 				       unsigned reg_alu_const_cache)
1698 {
1699 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1700 	uint32_t dirty_mask = state->dirty_mask;
1701 
1702 	while (dirty_mask) {
1703 		struct pipe_constant_buffer *cb;
1704 		struct r600_resource *rbuffer;
1705 		unsigned offset;
1706 		unsigned buffer_index = ffs(dirty_mask) - 1;
1707 		unsigned gs_ring_buffer = (buffer_index == R600_GS_RING_CONST_BUFFER);
1708 		cb = &state->cb[buffer_index];
1709 		rbuffer = (struct r600_resource*)cb->buffer;
1710 		assert(rbuffer);
1711 
1712 		offset = cb->buffer_offset;
1713 
1714 		if (!gs_ring_buffer) {
1715 			assert(buffer_index < R600_MAX_HW_CONST_BUFFERS);
1716 			radeon_set_context_reg(cs, reg_alu_constbuf_size + buffer_index * 4,
1717 					       DIV_ROUND_UP(cb->buffer_size, 256));
1718 			radeon_set_context_reg(cs, reg_alu_const_cache + buffer_index * 4, offset >> 8);
1719 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1720 			radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1721 								  RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER));
1722 		}
1723 
1724 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1725 		radeon_emit(cs, (buffer_id_base + buffer_index) * 7);
1726 		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1727 		radeon_emit(cs, rbuffer->b.b.width0 - offset - 1); /* RESOURCEi_WORD1 */
1728 		radeon_emit(cs, /* RESOURCEi_WORD2 */
1729 			    S_038008_ENDIAN_SWAP(gs_ring_buffer ? ENDIAN_NONE : r600_endian_swap(32)) |
1730 			    S_038008_STRIDE(gs_ring_buffer ? 4 : 16));
1731 		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1732 		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1733 		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1734 		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1735 
1736 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1737 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1738 						      RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER));
1739 
1740 		dirty_mask &= ~(1 << buffer_index);
1741 	}
1742 	state->dirty_mask = 0;
1743 }
1744 
r600_emit_vs_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1745 static void r600_emit_vs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1746 {
1747 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX],
1748 				   R600_FETCH_CONSTANTS_OFFSET_VS,
1749 				   R_028180_ALU_CONST_BUFFER_SIZE_VS_0,
1750 				   R_028980_ALU_CONST_CACHE_VS_0);
1751 }
1752 
r600_emit_gs_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1753 static void r600_emit_gs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1754 {
1755 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY],
1756 				   R600_FETCH_CONSTANTS_OFFSET_GS,
1757 				   R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0,
1758 				   R_0289C0_ALU_CONST_CACHE_GS_0);
1759 }
1760 
r600_emit_ps_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1761 static void r600_emit_ps_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1762 {
1763 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT],
1764 				   R600_FETCH_CONSTANTS_OFFSET_PS,
1765 				   R_028140_ALU_CONST_BUFFER_SIZE_PS_0,
1766 				   R_028940_ALU_CONST_CACHE_PS_0);
1767 }
1768 
r600_emit_sampler_views(struct r600_context * rctx,struct r600_samplerview_state * state,unsigned resource_id_base)1769 static void r600_emit_sampler_views(struct r600_context *rctx,
1770 				    struct r600_samplerview_state *state,
1771 				    unsigned resource_id_base)
1772 {
1773 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1774 	uint32_t dirty_mask = state->dirty_mask;
1775 
1776 	while (dirty_mask) {
1777 		struct r600_pipe_sampler_view *rview;
1778 		unsigned resource_index = u_bit_scan(&dirty_mask);
1779 		unsigned reloc;
1780 
1781 		rview = state->views[resource_index];
1782 		assert(rview);
1783 
1784 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1785 		radeon_emit(cs, (resource_id_base + resource_index) * 7);
1786 		radeon_emit_array(cs, rview->tex_resource_words, 7);
1787 
1788 		reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rview->tex_resource,
1789 					      RADEON_USAGE_READ,
1790 					      r600_get_sampler_view_priority(rview->tex_resource));
1791 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1792 		radeon_emit(cs, reloc);
1793 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1794 		radeon_emit(cs, reloc);
1795 	}
1796 	state->dirty_mask = 0;
1797 }
1798 
1799 
r600_emit_vs_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1800 static void r600_emit_vs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1801 {
1802 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views, R600_FETCH_CONSTANTS_OFFSET_VS + R600_MAX_CONST_BUFFERS);
1803 }
1804 
r600_emit_gs_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1805 static void r600_emit_gs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1806 {
1807 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views, R600_FETCH_CONSTANTS_OFFSET_GS + R600_MAX_CONST_BUFFERS);
1808 }
1809 
r600_emit_ps_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1810 static void r600_emit_ps_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1811 {
1812 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views, R600_FETCH_CONSTANTS_OFFSET_PS + R600_MAX_CONST_BUFFERS);
1813 }
1814 
r600_emit_sampler_states(struct r600_context * rctx,struct r600_textures_info * texinfo,unsigned resource_id_base,unsigned border_color_reg)1815 static void r600_emit_sampler_states(struct r600_context *rctx,
1816 				struct r600_textures_info *texinfo,
1817 				unsigned resource_id_base,
1818 				unsigned border_color_reg)
1819 {
1820 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1821 	uint32_t dirty_mask = texinfo->states.dirty_mask;
1822 
1823 	while (dirty_mask) {
1824 		struct r600_pipe_sampler_state *rstate;
1825 		struct r600_pipe_sampler_view *rview;
1826 		unsigned i = u_bit_scan(&dirty_mask);
1827 
1828 		rstate = texinfo->states.states[i];
1829 		assert(rstate);
1830 		rview = texinfo->views.views[i];
1831 
1832 		/* TEX_ARRAY_OVERRIDE must be set for array textures to disable
1833 		 * filtering between layers.
1834 		 * Don't update TEX_ARRAY_OVERRIDE if we don't have the sampler view.
1835 		 */
1836 		if (rview) {
1837 			enum pipe_texture_target target = rview->base.texture->target;
1838 			if (target == PIPE_TEXTURE_1D_ARRAY ||
1839 			    target == PIPE_TEXTURE_2D_ARRAY) {
1840 				rstate->tex_sampler_words[0] |= S_03C000_TEX_ARRAY_OVERRIDE(1);
1841 				texinfo->is_array_sampler[i] = true;
1842 			} else {
1843 				rstate->tex_sampler_words[0] &= C_03C000_TEX_ARRAY_OVERRIDE;
1844 				texinfo->is_array_sampler[i] = false;
1845 			}
1846 		}
1847 
1848 		radeon_emit(cs, PKT3(PKT3_SET_SAMPLER, 3, 0));
1849 		radeon_emit(cs, (resource_id_base + i) * 3);
1850 		radeon_emit_array(cs, rstate->tex_sampler_words, 3);
1851 
1852 		if (rstate->border_color_use) {
1853 			unsigned offset;
1854 
1855 			offset = border_color_reg;
1856 			offset += i * 16;
1857 			radeon_set_config_reg_seq(cs, offset, 4);
1858 			radeon_emit_array(cs, rstate->border_color.ui, 4);
1859 		}
1860 	}
1861 	texinfo->states.dirty_mask = 0;
1862 }
1863 
r600_emit_vs_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1864 static void r600_emit_vs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1865 {
1866 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_VERTEX], 18, R_00A600_TD_VS_SAMPLER0_BORDER_RED);
1867 }
1868 
r600_emit_gs_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1869 static void r600_emit_gs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1870 {
1871 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY], 36, R_00A800_TD_GS_SAMPLER0_BORDER_RED);
1872 }
1873 
r600_emit_ps_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1874 static void r600_emit_ps_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1875 {
1876 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT], 0, R_00A400_TD_PS_SAMPLER0_BORDER_RED);
1877 }
1878 
r600_emit_seamless_cube_map(struct r600_context * rctx,struct r600_atom * atom)1879 static void r600_emit_seamless_cube_map(struct r600_context *rctx, struct r600_atom *atom)
1880 {
1881 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1882 	unsigned tmp;
1883 
1884 	tmp = S_009508_DISABLE_CUBE_ANISO(1) |
1885 		S_009508_SYNC_GRADIENT(1) |
1886 		S_009508_SYNC_WALKER(1) |
1887 		S_009508_SYNC_ALIGNER(1);
1888 	if (!rctx->seamless_cube_map.enabled) {
1889 		tmp |= S_009508_DISABLE_CUBE_WRAP(1);
1890 	}
1891 	radeon_set_config_reg(cs, R_009508_TA_CNTL_AUX, tmp);
1892 }
1893 
r600_emit_sample_mask(struct r600_context * rctx,struct r600_atom * a)1894 static void r600_emit_sample_mask(struct r600_context *rctx, struct r600_atom *a)
1895 {
1896 	struct r600_sample_mask *s = (struct r600_sample_mask*)a;
1897 	uint8_t mask = s->sample_mask;
1898 
1899 	radeon_set_context_reg(rctx->b.gfx.cs, R_028C48_PA_SC_AA_MASK,
1900 			       mask | (mask << 8) | (mask << 16) | (mask << 24));
1901 }
1902 
r600_emit_vertex_fetch_shader(struct r600_context * rctx,struct r600_atom * a)1903 static void r600_emit_vertex_fetch_shader(struct r600_context *rctx, struct r600_atom *a)
1904 {
1905 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1906 	struct r600_cso_state *state = (struct r600_cso_state*)a;
1907 	struct r600_fetch_shader *shader = (struct r600_fetch_shader*)state->cso;
1908 
1909 	if (!shader)
1910 		return;
1911 
1912 	radeon_set_context_reg(cs, R_028894_SQ_PGM_START_FS, shader->offset >> 8);
1913 	radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1914 	radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, shader->buffer,
1915                                                   RADEON_USAGE_READ,
1916                                                   RADEON_PRIO_SHADER_BINARY));
1917 }
1918 
r600_emit_shader_stages(struct r600_context * rctx,struct r600_atom * a)1919 static void r600_emit_shader_stages(struct r600_context *rctx, struct r600_atom *a)
1920 {
1921 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1922 	struct r600_shader_stages_state *state = (struct r600_shader_stages_state*)a;
1923 
1924 	uint32_t v2 = 0, primid = 0;
1925 
1926 	if (rctx->vs_shader->current->shader.vs_as_gs_a) {
1927 		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
1928 		primid = 1;
1929 	}
1930 
1931 	if (state->geom_enable) {
1932 		uint32_t cut_val;
1933 
1934 		if (rctx->gs_shader->gs_max_out_vertices <= 128)
1935 			cut_val = V_028A40_GS_CUT_128;
1936 		else if (rctx->gs_shader->gs_max_out_vertices <= 256)
1937 			cut_val = V_028A40_GS_CUT_256;
1938 		else if (rctx->gs_shader->gs_max_out_vertices <= 512)
1939 			cut_val = V_028A40_GS_CUT_512;
1940 		else
1941 			cut_val = V_028A40_GS_CUT_1024;
1942 
1943 		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
1944 			S_028A40_CUT_MODE(cut_val);
1945 
1946 		if (rctx->gs_shader->current->shader.gs_prim_id_input)
1947 			primid = 1;
1948 	}
1949 
1950 	radeon_set_context_reg(cs, R_028A40_VGT_GS_MODE, v2);
1951 	radeon_set_context_reg(cs, R_028A84_VGT_PRIMITIVEID_EN, primid);
1952 }
1953 
r600_emit_gs_rings(struct r600_context * rctx,struct r600_atom * a)1954 static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
1955 {
1956 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
1957 	struct r600_gs_rings_state *state = (struct r600_gs_rings_state*)a;
1958 	struct r600_resource *rbuffer;
1959 
1960 	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1961 	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1962 	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1963 
1964 	if (state->enable) {
1965 		rbuffer =(struct r600_resource*)state->esgs_ring.buffer;
1966 		radeon_set_config_reg(cs, R_008C40_SQ_ESGS_RING_BASE, 0);
1967 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1968 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1969 						      RADEON_USAGE_READWRITE,
1970 						      RADEON_PRIO_SHADER_RINGS));
1971 		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE,
1972 				state->esgs_ring.buffer_size >> 8);
1973 
1974 		rbuffer =(struct r600_resource*)state->gsvs_ring.buffer;
1975 		radeon_set_config_reg(cs, R_008C48_SQ_GSVS_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_SHADER_RINGS));
1980 		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE,
1981 				state->gsvs_ring.buffer_size >> 8);
1982 	} else {
1983 		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE, 0);
1984 		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE, 0);
1985 	}
1986 
1987 	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1988 	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1989 	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1990 }
1991 
1992 /* Adjust GPR allocation on R6xx/R7xx */
r600_adjust_gprs(struct r600_context * rctx)1993 bool r600_adjust_gprs(struct r600_context *rctx)
1994 {
1995 	unsigned num_gprs[R600_NUM_HW_STAGES];
1996 	unsigned new_gprs[R600_NUM_HW_STAGES];
1997 	unsigned cur_gprs[R600_NUM_HW_STAGES];
1998 	unsigned def_gprs[R600_NUM_HW_STAGES];
1999 	unsigned def_num_clause_temp_gprs = rctx->r6xx_num_clause_temp_gprs;
2000 	unsigned max_gprs;
2001 	unsigned tmp, tmp2;
2002 	unsigned i;
2003 	bool need_recalc = false, use_default = true;
2004 
2005 	/* hardware will reserve twice num_clause_temp_gprs */
2006 	max_gprs = def_num_clause_temp_gprs * 2;
2007 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2008 		def_gprs[i] = rctx->default_gprs[i];
2009 		max_gprs += def_gprs[i];
2010 	}
2011 
2012 	cur_gprs[R600_HW_STAGE_PS] = G_008C04_NUM_PS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2013 	cur_gprs[R600_HW_STAGE_VS] = G_008C04_NUM_VS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2014 	cur_gprs[R600_HW_STAGE_GS] = G_008C08_NUM_GS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2015 	cur_gprs[R600_HW_STAGE_ES] = G_008C08_NUM_ES_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2016 
2017 	num_gprs[R600_HW_STAGE_PS] = rctx->ps_shader->current->shader.bc.ngpr;
2018 	if (rctx->gs_shader) {
2019 		num_gprs[R600_HW_STAGE_ES] = rctx->vs_shader->current->shader.bc.ngpr;
2020 		num_gprs[R600_HW_STAGE_GS] = rctx->gs_shader->current->shader.bc.ngpr;
2021 		num_gprs[R600_HW_STAGE_VS] = rctx->gs_shader->current->gs_copy_shader->shader.bc.ngpr;
2022 	} else {
2023 		num_gprs[R600_HW_STAGE_ES] = 0;
2024 		num_gprs[R600_HW_STAGE_GS] = 0;
2025 		num_gprs[R600_HW_STAGE_VS] = rctx->vs_shader->current->shader.bc.ngpr;
2026 	}
2027 
2028 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2029 		new_gprs[i] = num_gprs[i];
2030 		if (new_gprs[i] > cur_gprs[i])
2031 			need_recalc = true;
2032 		if (new_gprs[i] > def_gprs[i])
2033 			use_default = false;
2034 	}
2035 
2036 	/* the sum of all SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS must <= to max_gprs */
2037 	if (!need_recalc)
2038 		return true;
2039 
2040 	/* try to use switch back to default */
2041 	if (!use_default) {
2042 		/* always privilege vs stage so that at worst we have the
2043 		 * pixel stage producing wrong output (not the vertex
2044 		 * stage) */
2045 		new_gprs[R600_HW_STAGE_PS] = max_gprs - def_num_clause_temp_gprs * 2;
2046 		for (i = R600_HW_STAGE_VS; i < R600_NUM_HW_STAGES; i++)
2047 			new_gprs[R600_HW_STAGE_PS] -= new_gprs[i];
2048 	} else {
2049 		for (i = 0; i < R600_NUM_HW_STAGES; i++)
2050 			new_gprs[i] = def_gprs[i];
2051 	}
2052 
2053 	/* SQ_PGM_RESOURCES_*.NUM_GPRS must always be program to a value <=
2054 	 * SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS otherwise the GPU will lockup
2055 	 * Also if a shader use more gpr than SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS
2056 	 * it will lockup. So in this case just discard the draw command
2057 	 * and don't change the current gprs repartitions.
2058 	 */
2059 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2060 		if (num_gprs[i] > new_gprs[i]) {
2061 			R600_ERR("shaders require too many register (%d + %d + %d + %d) "
2062 				 "for a combined maximum of %d\n",
2063 				 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);
2064 			return false;
2065 		}
2066 	}
2067 
2068 	/* in some case we endup recomputing the current value */
2069 	tmp = S_008C04_NUM_PS_GPRS(new_gprs[R600_HW_STAGE_PS]) |
2070 		S_008C04_NUM_VS_GPRS(new_gprs[R600_HW_STAGE_VS]) |
2071 		S_008C04_NUM_CLAUSE_TEMP_GPRS(def_num_clause_temp_gprs);
2072 
2073 	tmp2 = S_008C08_NUM_ES_GPRS(new_gprs[R600_HW_STAGE_ES]) |
2074 		S_008C08_NUM_GS_GPRS(new_gprs[R600_HW_STAGE_GS]);
2075 	if (rctx->config_state.sq_gpr_resource_mgmt_1 != tmp || rctx->config_state.sq_gpr_resource_mgmt_2 != tmp2) {
2076 		rctx->config_state.sq_gpr_resource_mgmt_1 = tmp;
2077 		rctx->config_state.sq_gpr_resource_mgmt_2 = tmp2;
2078 		r600_mark_atom_dirty(rctx, &rctx->config_state.atom);
2079 		rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE;
2080 	}
2081 	return true;
2082 }
2083 
r600_init_atom_start_cs(struct r600_context * rctx)2084 void r600_init_atom_start_cs(struct r600_context *rctx)
2085 {
2086 	int ps_prio;
2087 	int vs_prio;
2088 	int gs_prio;
2089 	int es_prio;
2090 	int num_ps_gprs;
2091 	int num_vs_gprs;
2092 	int num_gs_gprs;
2093 	int num_es_gprs;
2094 	int num_temp_gprs;
2095 	int num_ps_threads;
2096 	int num_vs_threads;
2097 	int num_gs_threads;
2098 	int num_es_threads;
2099 	int num_ps_stack_entries;
2100 	int num_vs_stack_entries;
2101 	int num_gs_stack_entries;
2102 	int num_es_stack_entries;
2103 	enum radeon_family family;
2104 	struct r600_command_buffer *cb = &rctx->start_cs_cmd;
2105 	uint32_t tmp, i;
2106 
2107 	r600_init_command_buffer(cb, 256);
2108 
2109 	/* R6xx requires this packet at the start of each command buffer */
2110 	if (rctx->b.chip_class == R600) {
2111 		r600_store_value(cb, PKT3(PKT3_START_3D_CMDBUF, 0, 0));
2112 		r600_store_value(cb, 0);
2113 	}
2114 	/* All asics require this one */
2115 	r600_store_value(cb, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
2116 	r600_store_value(cb, 0x80000000);
2117 	r600_store_value(cb, 0x80000000);
2118 
2119 	/* We're setting config registers here. */
2120 	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2121 	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
2122 
2123 	/* This enables pipeline stat & streamout queries.
2124 	 * They are only disabled by blits.
2125 	 */
2126 	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2127 	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PIPELINESTAT_START) | EVENT_INDEX(0));
2128 
2129 	family = rctx->b.family;
2130 	ps_prio = 0;
2131 	vs_prio = 1;
2132 	gs_prio = 2;
2133 	es_prio = 3;
2134 	switch (family) {
2135 	case CHIP_R600:
2136 		num_ps_gprs = 192;
2137 		num_vs_gprs = 56;
2138 		num_temp_gprs = 4;
2139 		num_gs_gprs = 0;
2140 		num_es_gprs = 0;
2141 		num_ps_threads = 136;
2142 		num_vs_threads = 48;
2143 		num_gs_threads = 4;
2144 		num_es_threads = 4;
2145 		num_ps_stack_entries = 128;
2146 		num_vs_stack_entries = 128;
2147 		num_gs_stack_entries = 0;
2148 		num_es_stack_entries = 0;
2149 		break;
2150 	case CHIP_RV630:
2151 	case CHIP_RV635:
2152 		num_ps_gprs = 84;
2153 		num_vs_gprs = 36;
2154 		num_temp_gprs = 4;
2155 		num_gs_gprs = 0;
2156 		num_es_gprs = 0;
2157 		num_ps_threads = 144;
2158 		num_vs_threads = 40;
2159 		num_gs_threads = 4;
2160 		num_es_threads = 4;
2161 		num_ps_stack_entries = 40;
2162 		num_vs_stack_entries = 40;
2163 		num_gs_stack_entries = 32;
2164 		num_es_stack_entries = 16;
2165 		break;
2166 	case CHIP_RV610:
2167 	case CHIP_RV620:
2168 	case CHIP_RS780:
2169 	case CHIP_RS880:
2170 	default:
2171 		num_ps_gprs = 84;
2172 		num_vs_gprs = 36;
2173 		num_temp_gprs = 4;
2174 		num_gs_gprs = 0;
2175 		num_es_gprs = 0;
2176 		/* use limits 40 VS and at least 16 ES/GS */
2177 		num_ps_threads = 120;
2178 		num_vs_threads = 40;
2179 		num_gs_threads = 16;
2180 		num_es_threads = 16;
2181 		num_ps_stack_entries = 40;
2182 		num_vs_stack_entries = 40;
2183 		num_gs_stack_entries = 32;
2184 		num_es_stack_entries = 16;
2185 		break;
2186 	case CHIP_RV670:
2187 		num_ps_gprs = 144;
2188 		num_vs_gprs = 40;
2189 		num_temp_gprs = 4;
2190 		num_gs_gprs = 0;
2191 		num_es_gprs = 0;
2192 		num_ps_threads = 136;
2193 		num_vs_threads = 48;
2194 		num_gs_threads = 4;
2195 		num_es_threads = 4;
2196 		num_ps_stack_entries = 40;
2197 		num_vs_stack_entries = 40;
2198 		num_gs_stack_entries = 32;
2199 		num_es_stack_entries = 16;
2200 		break;
2201 	case CHIP_RV770:
2202 		num_ps_gprs = 130;
2203 		num_vs_gprs = 56;
2204 		num_temp_gprs = 4;
2205 		num_gs_gprs = 31;
2206 		num_es_gprs = 31;
2207 		num_ps_threads = 180;
2208 		num_vs_threads = 60;
2209 		num_gs_threads = 4;
2210 		num_es_threads = 4;
2211 		num_ps_stack_entries = 128;
2212 		num_vs_stack_entries = 128;
2213 		num_gs_stack_entries = 128;
2214 		num_es_stack_entries = 128;
2215 		break;
2216 	case CHIP_RV730:
2217 	case CHIP_RV740:
2218 		num_ps_gprs = 84;
2219 		num_vs_gprs = 36;
2220 		num_temp_gprs = 4;
2221 		num_gs_gprs = 0;
2222 		num_es_gprs = 0;
2223 		num_ps_threads = 180;
2224 		num_vs_threads = 60;
2225 		num_gs_threads = 4;
2226 		num_es_threads = 4;
2227 		num_ps_stack_entries = 128;
2228 		num_vs_stack_entries = 128;
2229 		num_gs_stack_entries = 0;
2230 		num_es_stack_entries = 0;
2231 		break;
2232 	case CHIP_RV710:
2233 		num_ps_gprs = 192;
2234 		num_vs_gprs = 56;
2235 		num_temp_gprs = 4;
2236 		num_gs_gprs = 0;
2237 		num_es_gprs = 0;
2238 		num_ps_threads = 136;
2239 		num_vs_threads = 48;
2240 		num_gs_threads = 4;
2241 		num_es_threads = 4;
2242 		num_ps_stack_entries = 128;
2243 		num_vs_stack_entries = 128;
2244 		num_gs_stack_entries = 0;
2245 		num_es_stack_entries = 0;
2246 		break;
2247 	}
2248 
2249 	rctx->default_gprs[R600_HW_STAGE_PS] = num_ps_gprs;
2250 	rctx->default_gprs[R600_HW_STAGE_VS] = num_vs_gprs;
2251 	rctx->default_gprs[R600_HW_STAGE_GS] = 0;
2252 	rctx->default_gprs[R600_HW_STAGE_ES] = 0;
2253 
2254 	rctx->r6xx_num_clause_temp_gprs = num_temp_gprs;
2255 
2256 	/* SQ_CONFIG */
2257 	tmp = 0;
2258 	switch (family) {
2259 	case CHIP_RV610:
2260 	case CHIP_RV620:
2261 	case CHIP_RS780:
2262 	case CHIP_RS880:
2263 	case CHIP_RV710:
2264 		break;
2265 	default:
2266 		tmp |= S_008C00_VC_ENABLE(1);
2267 		break;
2268 	}
2269 	tmp |= S_008C00_DX9_CONSTS(0);
2270 	tmp |= S_008C00_ALU_INST_PREFER_VECTOR(1);
2271 	tmp |= S_008C00_PS_PRIO(ps_prio);
2272 	tmp |= S_008C00_VS_PRIO(vs_prio);
2273 	tmp |= S_008C00_GS_PRIO(gs_prio);
2274 	tmp |= S_008C00_ES_PRIO(es_prio);
2275 	r600_store_config_reg(cb, R_008C00_SQ_CONFIG, tmp);
2276 
2277 	/* SQ_GPR_RESOURCE_MGMT_2 */
2278 	tmp = S_008C08_NUM_GS_GPRS(num_gs_gprs);
2279 	tmp |= S_008C08_NUM_ES_GPRS(num_es_gprs);
2280 	r600_store_config_reg_seq(cb, R_008C08_SQ_GPR_RESOURCE_MGMT_2, 4);
2281 	r600_store_value(cb, tmp);
2282 
2283 	/* SQ_THREAD_RESOURCE_MGMT */
2284 	tmp = S_008C0C_NUM_PS_THREADS(num_ps_threads);
2285 	tmp |= S_008C0C_NUM_VS_THREADS(num_vs_threads);
2286 	tmp |= S_008C0C_NUM_GS_THREADS(num_gs_threads);
2287 	tmp |= S_008C0C_NUM_ES_THREADS(num_es_threads);
2288 	r600_store_value(cb, tmp); /* R_008C0C_SQ_THREAD_RESOURCE_MGMT */
2289 
2290 	/* SQ_STACK_RESOURCE_MGMT_1 */
2291 	tmp = S_008C10_NUM_PS_STACK_ENTRIES(num_ps_stack_entries);
2292 	tmp |= S_008C10_NUM_VS_STACK_ENTRIES(num_vs_stack_entries);
2293 	r600_store_value(cb, tmp); /* R_008C10_SQ_STACK_RESOURCE_MGMT_1 */
2294 
2295 	/* SQ_STACK_RESOURCE_MGMT_2 */
2296 	tmp = S_008C14_NUM_GS_STACK_ENTRIES(num_gs_stack_entries);
2297 	tmp |= S_008C14_NUM_ES_STACK_ENTRIES(num_es_stack_entries);
2298 	r600_store_value(cb, tmp); /* R_008C14_SQ_STACK_RESOURCE_MGMT_2 */
2299 
2300 	r600_store_config_reg(cb, R_009714_VC_ENHANCE, 0);
2301 
2302 	if (rctx->b.chip_class >= R700) {
2303 		r600_store_context_reg(cb, R_028A50_VGT_ENHANCE, 4);
2304 		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0x00004000);
2305 		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0);
2306 		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x00420204);
2307 		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 0);
2308 	} else {
2309 		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2310 		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0x82000000);
2311 		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x01020204);
2312 		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 1);
2313 	}
2314 	r600_store_context_reg_seq(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE, 9);
2315 	r600_store_value(cb, 0); /* R_0288A8_SQ_ESGS_RING_ITEMSIZE */
2316 	r600_store_value(cb, 0); /* R_0288AC_SQ_GSVS_RING_ITEMSIZE */
2317 	r600_store_value(cb, 0); /* R_0288B0_SQ_ESTMP_RING_ITEMSIZE */
2318 	r600_store_value(cb, 0); /* R_0288B4_SQ_GSTMP_RING_ITEMSIZE */
2319 	r600_store_value(cb, 0); /* R_0288B8_SQ_VSTMP_RING_ITEMSIZE */
2320 	r600_store_value(cb, 0); /* R_0288BC_SQ_PSTMP_RING_ITEMSIZE */
2321 	r600_store_value(cb, 0); /* R_0288C0_SQ_FBUF_RING_ITEMSIZE */
2322 	r600_store_value(cb, 0); /* R_0288C4_SQ_REDUC_RING_ITEMSIZE */
2323 	r600_store_value(cb, 0); /* R_0288C8_SQ_GS_VERT_ITEMSIZE */
2324 
2325 	/* to avoid GPU doing any preloading of constant from random address */
2326 	r600_store_context_reg_seq(cb, R_028140_ALU_CONST_BUFFER_SIZE_PS_0, 16);
2327 	for (i = 0; i < 16; i++)
2328 		r600_store_value(cb, 0);
2329 
2330 	r600_store_context_reg_seq(cb, R_028180_ALU_CONST_BUFFER_SIZE_VS_0, 16);
2331 	for (i = 0; i < 16; i++)
2332 		r600_store_value(cb, 0);
2333 
2334 	r600_store_context_reg_seq(cb, R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0, 16);
2335 	for (i = 0; i < 16; i++)
2336 		r600_store_value(cb, 0);
2337 
2338 	r600_store_context_reg_seq(cb, R_028A10_VGT_OUTPUT_PATH_CNTL, 13);
2339 	r600_store_value(cb, 0); /* R_028A10_VGT_OUTPUT_PATH_CNTL */
2340 	r600_store_value(cb, 0); /* R_028A14_VGT_HOS_CNTL */
2341 	r600_store_value(cb, 0); /* R_028A18_VGT_HOS_MAX_TESS_LEVEL */
2342 	r600_store_value(cb, 0); /* R_028A1C_VGT_HOS_MIN_TESS_LEVEL */
2343 	r600_store_value(cb, 0); /* R_028A20_VGT_HOS_REUSE_DEPTH */
2344 	r600_store_value(cb, 0); /* R_028A24_VGT_GROUP_PRIM_TYPE */
2345 	r600_store_value(cb, 0); /* R_028A28_VGT_GROUP_FIRST_DECR */
2346 	r600_store_value(cb, 0); /* R_028A2C_VGT_GROUP_DECR */
2347 	r600_store_value(cb, 0); /* R_028A30_VGT_GROUP_VECT_0_CNTL */
2348 	r600_store_value(cb, 0); /* R_028A34_VGT_GROUP_VECT_1_CNTL */
2349 	r600_store_value(cb, 0); /* R_028A38_VGT_GROUP_VECT_0_FMT_CNTL */
2350 	r600_store_value(cb, 0); /* R_028A3C_VGT_GROUP_VECT_1_FMT_CNTL */
2351 	r600_store_value(cb, 0); /* R_028A40_VGT_GS_MODE, 0); */
2352 
2353 	r600_store_context_reg(cb, R_028A84_VGT_PRIMITIVEID_EN, 0);
2354 	r600_store_context_reg(cb, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 0);
2355 	r600_store_context_reg(cb, R_028AA4_VGT_INSTANCE_STEP_RATE_1, 0);
2356 
2357 	r600_store_context_reg_seq(cb, R_028AB4_VGT_REUSE_OFF, 2);
2358 	r600_store_value(cb, 1); /* R_028AB4_VGT_REUSE_OFF */
2359 	r600_store_value(cb, 0); /* R_028AB8_VGT_VTX_CNT_EN */
2360 
2361 	r600_store_context_reg(cb, R_028B20_VGT_STRMOUT_BUFFER_EN, 0);
2362 
2363 	r600_store_ctl_const(cb, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0);
2364 
2365 	r600_store_context_reg(cb, R_028028_DB_STENCIL_CLEAR, 0);
2366 
2367 	r600_store_context_reg_seq(cb, R_0286DC_SPI_FOG_CNTL, 3);
2368 	r600_store_value(cb, 0); /* R_0286DC_SPI_FOG_CNTL */
2369 	r600_store_value(cb, 0); /* R_0286E0_SPI_FOG_FUNC_SCALE */
2370 	r600_store_value(cb, 0); /* R_0286E4_SPI_FOG_FUNC_BIAS */
2371 
2372 	r600_store_context_reg_seq(cb, R_028D28_DB_SRESULTS_COMPARE_STATE0, 3);
2373 	r600_store_value(cb, 0); /* R_028D28_DB_SRESULTS_COMPARE_STATE0 */
2374 	r600_store_value(cb, 0); /* R_028D2C_DB_SRESULTS_COMPARE_STATE1 */
2375 	r600_store_value(cb, 0); /* R_028D30_DB_PRELOAD_CONTROL */
2376 
2377 	r600_store_context_reg(cb, R_028820_PA_CL_NANINF_CNTL, 0);
2378 	r600_store_context_reg(cb, R_028A48_PA_SC_MPASS_PS_CNTL, 0);
2379 
2380 	r600_store_context_reg(cb, R_028200_PA_SC_WINDOW_OFFSET, 0);
2381 	r600_store_context_reg(cb, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF);
2382 
2383 	if (rctx->b.chip_class >= R700) {
2384 		r600_store_context_reg(cb, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
2385 	}
2386 
2387 	r600_store_context_reg_seq(cb, R_028C30_CB_CLRCMP_CONTROL, 4);
2388 	r600_store_value(cb, 0x1000000);  /* R_028C30_CB_CLRCMP_CONTROL */
2389 	r600_store_value(cb, 0);          /* R_028C34_CB_CLRCMP_SRC */
2390 	r600_store_value(cb, 0xFF);       /* R_028C38_CB_CLRCMP_DST */
2391 	r600_store_value(cb, 0xFFFFFFFF); /* R_028C3C_CB_CLRCMP_MSK */
2392 
2393 	r600_store_context_reg_seq(cb, R_028030_PA_SC_SCREEN_SCISSOR_TL, 2);
2394 	r600_store_value(cb, 0); /* R_028030_PA_SC_SCREEN_SCISSOR_TL */
2395 	r600_store_value(cb, S_028034_BR_X(8192) | S_028034_BR_Y(8192)); /* R_028034_PA_SC_SCREEN_SCISSOR_BR */
2396 
2397 	r600_store_context_reg_seq(cb, R_028240_PA_SC_GENERIC_SCISSOR_TL, 2);
2398 	r600_store_value(cb, 0); /* R_028240_PA_SC_GENERIC_SCISSOR_TL */
2399 	r600_store_value(cb, S_028244_BR_X(8192) | S_028244_BR_Y(8192)); /* R_028244_PA_SC_GENERIC_SCISSOR_BR */
2400 
2401 	r600_store_context_reg_seq(cb, R_0288CC_SQ_PGM_CF_OFFSET_PS, 5);
2402 	r600_store_value(cb, 0); /* R_0288CC_SQ_PGM_CF_OFFSET_PS */
2403 	r600_store_value(cb, 0); /* R_0288D0_SQ_PGM_CF_OFFSET_VS */
2404 	r600_store_value(cb, 0); /* R_0288D4_SQ_PGM_CF_OFFSET_GS */
2405 	r600_store_value(cb, 0); /* R_0288D8_SQ_PGM_CF_OFFSET_ES */
2406 	r600_store_value(cb, 0); /* R_0288DC_SQ_PGM_CF_OFFSET_FS */
2407 
2408         r600_store_context_reg(cb, R_0288E0_SQ_VTX_SEMANTIC_CLEAR, ~0);
2409 
2410         r600_store_context_reg_seq(cb, R_028400_VGT_MAX_VTX_INDX, 2);
2411 	r600_store_value(cb, ~0); /* R_028400_VGT_MAX_VTX_INDX */
2412 	r600_store_value(cb, 0); /* R_028404_VGT_MIN_VTX_INDX */
2413 
2414 	r600_store_context_reg(cb, R_0288A4_SQ_PGM_RESOURCES_FS, 0);
2415 
2416 	if (rctx->b.chip_class == R700)
2417 		r600_store_context_reg(cb, R_028350_SX_MISC, 0);
2418 	if (rctx->b.chip_class == R700 && rctx->screen->b.has_streamout)
2419 		r600_store_context_reg(cb, R_028354_SX_SURFACE_SYNC, S_028354_SURFACE_SYNC_MASK(0xf));
2420 
2421 	r600_store_context_reg(cb, R_028800_DB_DEPTH_CONTROL, 0);
2422 	if (rctx->screen->b.has_streamout) {
2423 		r600_store_context_reg(cb, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
2424 	}
2425 
2426 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0, 0x1000FFF);
2427 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (32 * 4), 0x1000FFF);
2428 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (64 * 4), 0x1000FFF);
2429 }
2430 
r600_update_ps_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2431 void r600_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2432 {
2433 	struct r600_context *rctx = (struct r600_context *)ctx;
2434 	struct r600_command_buffer *cb = &shader->command_buffer;
2435 	struct r600_shader *rshader = &shader->shader;
2436 	unsigned i, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z, spi_ps_in_control_1, db_shader_control;
2437 	int pos_index = -1, face_index = -1, fixed_pt_position_index = -1;
2438 	unsigned tmp, sid, ufi = 0;
2439 	int need_linear = 0;
2440 	unsigned z_export = 0, stencil_export = 0, mask_export = 0;
2441 	unsigned sprite_coord_enable = rctx->rasterizer ? rctx->rasterizer->sprite_coord_enable : 0;
2442 
2443 	if (!cb->buf) {
2444 		r600_init_command_buffer(cb, 64);
2445 	} else {
2446 		cb->num_dw = 0;
2447 	}
2448 
2449 	r600_store_context_reg_seq(cb, R_028644_SPI_PS_INPUT_CNTL_0, rshader->ninput);
2450 	for (i = 0; i < rshader->ninput; i++) {
2451 		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION)
2452 			pos_index = i;
2453 		if (rshader->input[i].name == TGSI_SEMANTIC_FACE && face_index == -1)
2454 			face_index = i;
2455 		if (rshader->input[i].name == TGSI_SEMANTIC_SAMPLEID)
2456 			fixed_pt_position_index = i;
2457 
2458 		sid = rshader->input[i].spi_sid;
2459 
2460 		tmp = S_028644_SEMANTIC(sid);
2461 
2462 		/* D3D 9 behaviour. GL is undefined */
2463 		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR && rshader->input[i].sid == 0)
2464 			tmp |= S_028644_DEFAULT_VAL(3);
2465 
2466 		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
2467 			rshader->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
2468 			(rshader->input[i].interpolate == TGSI_INTERPOLATE_COLOR &&
2469 				rctx->rasterizer && rctx->rasterizer->flatshade))
2470 			tmp |= S_028644_FLAT_SHADE(1);
2471 
2472 		if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
2473 		    sprite_coord_enable & (1 << rshader->input[i].sid)) {
2474 			tmp |= S_028644_PT_SPRITE_TEX(1);
2475 		}
2476 
2477 		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID)
2478 			tmp |= S_028644_SEL_CENTROID(1);
2479 
2480 		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE)
2481 			tmp |= S_028644_SEL_SAMPLE(1);
2482 
2483 		if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR) {
2484 			need_linear = 1;
2485 			tmp |= S_028644_SEL_LINEAR(1);
2486 		}
2487 
2488 		r600_store_value(cb, tmp);
2489 	}
2490 
2491 	db_shader_control = 0;
2492 	for (i = 0; i < rshader->noutput; i++) {
2493 		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION)
2494 			z_export = 1;
2495 		if (rshader->output[i].name == TGSI_SEMANTIC_STENCIL)
2496 			stencil_export = 1;
2497 		if (rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK &&
2498 			rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0)
2499 			mask_export = 1;
2500 	}
2501 	db_shader_control |= S_02880C_Z_EXPORT_ENABLE(z_export);
2502 	db_shader_control |= S_02880C_STENCIL_REF_EXPORT_ENABLE(stencil_export);
2503 	db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
2504 	if (rshader->uses_kill)
2505 		db_shader_control |= S_02880C_KILL_ENABLE(1);
2506 
2507 	exports_ps = 0;
2508 	for (i = 0; i < rshader->noutput; i++) {
2509 		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION ||
2510 		    rshader->output[i].name == TGSI_SEMANTIC_STENCIL ||
2511 		    rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK) {
2512 			exports_ps |= 1;
2513 		}
2514 	}
2515 	num_cout = rshader->nr_ps_color_exports;
2516 	exports_ps |= S_028854_EXPORT_COLORS(num_cout);
2517 	if (!exports_ps) {
2518 		/* always at least export 1 component per pixel */
2519 		exports_ps = 2;
2520 	}
2521 
2522 	shader->nr_ps_color_outputs = num_cout;
2523 
2524 	spi_ps_in_control_0 = S_0286CC_NUM_INTERP(rshader->ninput) |
2525 				S_0286CC_PERSP_GRADIENT_ENA(1)|
2526 				S_0286CC_LINEAR_GRADIENT_ENA(need_linear);
2527 	spi_input_z = 0;
2528 	if (pos_index != -1) {
2529 		spi_ps_in_control_0 |= (S_0286CC_POSITION_ENA(1) |
2530 					S_0286CC_POSITION_CENTROID(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID) |
2531 					S_0286CC_POSITION_ADDR(rshader->input[pos_index].gpr) |
2532 					S_0286CC_BARYC_SAMPLE_CNTL(1)) |
2533 					S_0286CC_POSITION_SAMPLE(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE);
2534 		spi_input_z |= S_0286D8_PROVIDE_Z_TO_SPI(1);
2535 	}
2536 
2537 	spi_ps_in_control_1 = 0;
2538 	if (face_index != -1) {
2539 		spi_ps_in_control_1 |= S_0286D0_FRONT_FACE_ENA(1) |
2540 			S_0286D0_FRONT_FACE_ADDR(rshader->input[face_index].gpr);
2541 	}
2542 	if (fixed_pt_position_index != -1) {
2543 		spi_ps_in_control_1 |= S_0286D0_FIXED_PT_POSITION_ENA(1) |
2544 			S_0286D0_FIXED_PT_POSITION_ADDR(rshader->input[fixed_pt_position_index].gpr);
2545 	}
2546 
2547 	/* HW bug in original R600 */
2548 	if (rctx->b.family == CHIP_R600)
2549 		ufi = 1;
2550 
2551 	r600_store_context_reg_seq(cb, R_0286CC_SPI_PS_IN_CONTROL_0, 2);
2552 	r600_store_value(cb, spi_ps_in_control_0); /* R_0286CC_SPI_PS_IN_CONTROL_0 */
2553 	r600_store_value(cb, spi_ps_in_control_1); /* R_0286D0_SPI_PS_IN_CONTROL_1 */
2554 
2555 	r600_store_context_reg(cb, R_0286D8_SPI_INPUT_Z, spi_input_z);
2556 
2557 	r600_store_context_reg_seq(cb, R_028850_SQ_PGM_RESOURCES_PS, 2);
2558 	r600_store_value(cb, /* R_028850_SQ_PGM_RESOURCES_PS*/
2559 			 S_028850_NUM_GPRS(rshader->bc.ngpr) |
2560 	/*
2561 	 * docs are misleading about the dx10_clamp bit. This only affects
2562 	 * instructions using CLAMP dst modifier, in which case they will
2563 	 * return 0 with this set for a NaN (otherwise NaN).
2564 	 */
2565 			 S_028850_DX10_CLAMP(1) |
2566 			 S_028850_STACK_SIZE(rshader->bc.nstack) |
2567 			 S_028850_UNCACHED_FIRST_INST(ufi));
2568 	r600_store_value(cb, exports_ps); /* R_028854_SQ_PGM_EXPORTS_PS */
2569 
2570 	r600_store_context_reg(cb, R_028840_SQ_PGM_START_PS, 0);
2571 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2572 
2573 	/* only set some bits here, the other bits are set in the dsa state */
2574 	shader->db_shader_control = db_shader_control;
2575 	shader->ps_depth_export = z_export | stencil_export | mask_export;
2576 
2577 	shader->sprite_coord_enable = sprite_coord_enable;
2578 	if (rctx->rasterizer)
2579 		shader->flatshade = rctx->rasterizer->flatshade;
2580 }
2581 
r600_update_vs_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2582 void r600_update_vs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2583 {
2584 	struct r600_command_buffer *cb = &shader->command_buffer;
2585 	struct r600_shader *rshader = &shader->shader;
2586 	unsigned spi_vs_out_id[10] = {};
2587 	unsigned i, tmp, nparams = 0;
2588 
2589 	for (i = 0; i < rshader->noutput; i++) {
2590 		if (rshader->output[i].spi_sid) {
2591 			tmp = rshader->output[i].spi_sid << ((nparams & 3) * 8);
2592 			spi_vs_out_id[nparams / 4] |= tmp;
2593 			nparams++;
2594 		}
2595 	}
2596 
2597 	r600_init_command_buffer(cb, 32);
2598 
2599 	r600_store_context_reg_seq(cb, R_028614_SPI_VS_OUT_ID_0, 10);
2600 	for (i = 0; i < 10; i++) {
2601 		r600_store_value(cb, spi_vs_out_id[i]);
2602 	}
2603 
2604 	/* Certain attributes (position, psize, etc.) don't count as params.
2605 	 * VS is required to export at least one param and r600_shader_from_tgsi()
2606 	 * takes care of adding a dummy export.
2607 	 */
2608 	if (nparams < 1)
2609 		nparams = 1;
2610 
2611 	r600_store_context_reg(cb, R_0286C4_SPI_VS_OUT_CONFIG,
2612 			       S_0286C4_VS_EXPORT_COUNT(nparams - 1));
2613 	r600_store_context_reg(cb, R_028868_SQ_PGM_RESOURCES_VS,
2614 			       S_028868_NUM_GPRS(rshader->bc.ngpr) |
2615 			       S_028868_DX10_CLAMP(1) |
2616 			       S_028868_STACK_SIZE(rshader->bc.nstack));
2617 	if (rshader->vs_position_window_space) {
2618 		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2619 			S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1));
2620 	} else {
2621 		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2622 			S_028818_VTX_W0_FMT(1) |
2623 			S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) |
2624 			S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) |
2625 			S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1));
2626 
2627 	}
2628 	r600_store_context_reg(cb, R_028858_SQ_PGM_START_VS, 0);
2629 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2630 
2631 	shader->pa_cl_vs_out_cntl =
2632 		S_02881C_VS_OUT_CCDIST0_VEC_ENA((rshader->clip_dist_write & 0x0F) != 0) |
2633 		S_02881C_VS_OUT_CCDIST1_VEC_ENA((rshader->clip_dist_write & 0xF0) != 0) |
2634 		S_02881C_VS_OUT_MISC_VEC_ENA(rshader->vs_out_misc_write) |
2635 		S_02881C_USE_VTX_POINT_SIZE(rshader->vs_out_point_size) |
2636 		S_02881C_USE_VTX_EDGE_FLAG(rshader->vs_out_edgeflag) |
2637 		S_02881C_USE_VTX_RENDER_TARGET_INDX(rshader->vs_out_layer) |
2638 		S_02881C_USE_VTX_VIEWPORT_INDX(rshader->vs_out_viewport);
2639 }
2640 
2641 #define RV610_GSVS_ALIGN 32
2642 #define R600_GSVS_ALIGN 16
2643 
r600_update_gs_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2644 void r600_update_gs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2645 {
2646 	struct r600_context *rctx = (struct r600_context *)ctx;
2647 	struct r600_command_buffer *cb = &shader->command_buffer;
2648 	struct r600_shader *rshader = &shader->shader;
2649 	struct r600_shader *cp_shader = &shader->gs_copy_shader->shader;
2650 	unsigned gsvs_itemsize =
2651 			(cp_shader->ring_item_sizes[0] * shader->selector->gs_max_out_vertices) >> 2;
2652 
2653 	/* some r600s needs gsvs itemsize aligned to cacheline size
2654 	   this was fixed in rs780 and above. */
2655 	switch (rctx->b.family) {
2656 	case CHIP_RV610:
2657 		gsvs_itemsize = align(gsvs_itemsize, RV610_GSVS_ALIGN);
2658 		break;
2659 	case CHIP_R600:
2660 	case CHIP_RV630:
2661 	case CHIP_RV670:
2662 	case CHIP_RV620:
2663 	case CHIP_RV635:
2664 		gsvs_itemsize = align(gsvs_itemsize, R600_GSVS_ALIGN);
2665 		break;
2666 	default:
2667 		break;
2668 	}
2669 
2670 	r600_init_command_buffer(cb, 64);
2671 
2672 	/* VGT_GS_MODE is written by r600_emit_shader_stages */
2673 	r600_store_context_reg(cb, R_028AB8_VGT_VTX_CNT_EN, 1);
2674 
2675 	if (rctx->b.chip_class >= R700) {
2676 		r600_store_context_reg(cb, R_028B38_VGT_GS_MAX_VERT_OUT,
2677 				       S_028B38_MAX_VERT_OUT(shader->selector->gs_max_out_vertices));
2678 	}
2679 	r600_store_context_reg(cb, R_028A6C_VGT_GS_OUT_PRIM_TYPE,
2680 			       r600_conv_prim_to_gs_out(shader->selector->gs_output_prim));
2681 
2682 	r600_store_context_reg(cb, R_0288C8_SQ_GS_VERT_ITEMSIZE,
2683 	                       cp_shader->ring_item_sizes[0] >> 2);
2684 
2685 	r600_store_context_reg(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE,
2686 			       (rshader->ring_item_sizes[0]) >> 2);
2687 
2688 	r600_store_context_reg(cb, R_0288AC_SQ_GSVS_RING_ITEMSIZE,
2689 			       gsvs_itemsize);
2690 
2691 	/* FIXME calculate these values somehow ??? */
2692 	r600_store_config_reg_seq(cb, R_0088C8_VGT_GS_PER_ES, 2);
2693 	r600_store_value(cb, 0x80); /* GS_PER_ES */
2694 	r600_store_value(cb, 0x100); /* ES_PER_GS */
2695 	r600_store_config_reg_seq(cb, R_0088E8_VGT_GS_PER_VS, 1);
2696 	r600_store_value(cb, 0x2); /* GS_PER_VS */
2697 
2698 	r600_store_context_reg(cb, R_02887C_SQ_PGM_RESOURCES_GS,
2699 			       S_02887C_NUM_GPRS(rshader->bc.ngpr) |
2700 			       S_02887C_DX10_CLAMP(1) |
2701 			       S_02887C_STACK_SIZE(rshader->bc.nstack));
2702 	r600_store_context_reg(cb, R_02886C_SQ_PGM_START_GS, 0);
2703 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2704 }
2705 
r600_update_es_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2706 void r600_update_es_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2707 {
2708 	struct r600_command_buffer *cb = &shader->command_buffer;
2709 	struct r600_shader *rshader = &shader->shader;
2710 
2711 	r600_init_command_buffer(cb, 32);
2712 
2713 	r600_store_context_reg(cb, R_028890_SQ_PGM_RESOURCES_ES,
2714 			       S_028890_NUM_GPRS(rshader->bc.ngpr) |
2715 			       S_028890_DX10_CLAMP(1) |
2716 			       S_028890_STACK_SIZE(rshader->bc.nstack));
2717 	r600_store_context_reg(cb, R_028880_SQ_PGM_START_ES, 0);
2718 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2719 }
2720 
2721 
r600_create_resolve_blend(struct r600_context * rctx)2722 void *r600_create_resolve_blend(struct r600_context *rctx)
2723 {
2724 	struct pipe_blend_state blend;
2725 	unsigned i;
2726 
2727 	memset(&blend, 0, sizeof(blend));
2728 	blend.independent_blend_enable = true;
2729 	for (i = 0; i < 2; i++) {
2730 		blend.rt[i].colormask = 0xf;
2731 		blend.rt[i].blend_enable = 1;
2732 		blend.rt[i].rgb_func = PIPE_BLEND_ADD;
2733 		blend.rt[i].alpha_func = PIPE_BLEND_ADD;
2734 		blend.rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ZERO;
2735 		blend.rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
2736 		blend.rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
2737 		blend.rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
2738 	}
2739 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2740 }
2741 
r700_create_resolve_blend(struct r600_context * rctx)2742 void *r700_create_resolve_blend(struct r600_context *rctx)
2743 {
2744 	struct pipe_blend_state blend;
2745 
2746 	memset(&blend, 0, sizeof(blend));
2747 	blend.independent_blend_enable = true;
2748 	blend.rt[0].colormask = 0xf;
2749 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2750 }
2751 
r600_create_decompress_blend(struct r600_context * rctx)2752 void *r600_create_decompress_blend(struct r600_context *rctx)
2753 {
2754 	struct pipe_blend_state blend;
2755 
2756 	memset(&blend, 0, sizeof(blend));
2757 	blend.independent_blend_enable = true;
2758 	blend.rt[0].colormask = 0xf;
2759 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_EXPAND_SAMPLES);
2760 }
2761 
r600_create_db_flush_dsa(struct r600_context * rctx)2762 void *r600_create_db_flush_dsa(struct r600_context *rctx)
2763 {
2764 	struct pipe_depth_stencil_alpha_state dsa;
2765 	boolean quirk = false;
2766 
2767 	if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
2768 		rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
2769 		quirk = true;
2770 
2771 	memset(&dsa, 0, sizeof(dsa));
2772 
2773 	if (quirk) {
2774 		dsa.depth.enabled = 1;
2775 		dsa.depth.func = PIPE_FUNC_LEQUAL;
2776 		dsa.stencil[0].enabled = 1;
2777 		dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
2778 		dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
2779 		dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_INCR;
2780 		dsa.stencil[0].writemask = 0xff;
2781 	}
2782 
2783 	return rctx->b.b.create_depth_stencil_alpha_state(&rctx->b.b, &dsa);
2784 }
2785 
r600_update_db_shader_control(struct r600_context * rctx)2786 void r600_update_db_shader_control(struct r600_context * rctx)
2787 {
2788 	bool dual_export;
2789 	unsigned db_shader_control;
2790 	uint8_t ps_conservative_z;
2791 
2792 	if (!rctx->ps_shader) {
2793 		return;
2794 	}
2795 
2796 	dual_export = rctx->framebuffer.export_16bpc &&
2797 		      !rctx->ps_shader->current->ps_depth_export;
2798 
2799 	db_shader_control = rctx->ps_shader->current->db_shader_control |
2800 			    S_02880C_DUAL_EXPORT_ENABLE(dual_export);
2801 
2802 	ps_conservative_z = rctx->ps_shader->current->shader.ps_conservative_z;
2803 
2804 	/* When alpha test is enabled we can't trust the hw to make the proper
2805 	 * decision on the order in which ztest should be run related to fragment
2806 	 * shader execution.
2807 	 *
2808 	 * If alpha test is enabled perform z test after fragment. RE_Z (early
2809 	 * z test but no write to the zbuffer) seems to cause lockup on r6xx/r7xx
2810 	 */
2811 	if (rctx->alphatest_state.sx_alpha_test_control) {
2812 		db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z);
2813 	} else {
2814 		db_shader_control |= S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
2815 	}
2816 
2817 	if (db_shader_control != rctx->db_misc_state.db_shader_control ||
2818 		ps_conservative_z != rctx->db_misc_state.ps_conservative_z) {
2819 		rctx->db_misc_state.db_shader_control = db_shader_control;
2820 		rctx->db_misc_state.ps_conservative_z = ps_conservative_z;
2821 		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
2822 	}
2823 }
2824 
r600_array_mode(unsigned mode)2825 static inline unsigned r600_array_mode(unsigned mode)
2826 {
2827 	switch (mode) {
2828 	default:
2829 	case RADEON_SURF_MODE_LINEAR_ALIGNED:	return V_0280A0_ARRAY_LINEAR_ALIGNED;
2830 		break;
2831 	case RADEON_SURF_MODE_1D:		return V_0280A0_ARRAY_1D_TILED_THIN1;
2832 		break;
2833 	case RADEON_SURF_MODE_2D:		return V_0280A0_ARRAY_2D_TILED_THIN1;
2834 	}
2835 }
2836 
r600_dma_copy_tile(struct r600_context * rctx,struct pipe_resource * dst,unsigned dst_level,unsigned dst_x,unsigned dst_y,unsigned dst_z,struct pipe_resource * src,unsigned src_level,unsigned src_x,unsigned src_y,unsigned src_z,unsigned copy_height,unsigned pitch,unsigned bpp)2837 static boolean r600_dma_copy_tile(struct r600_context *rctx,
2838 				struct pipe_resource *dst,
2839 				unsigned dst_level,
2840 				unsigned dst_x,
2841 				unsigned dst_y,
2842 				unsigned dst_z,
2843 				struct pipe_resource *src,
2844 				unsigned src_level,
2845 				unsigned src_x,
2846 				unsigned src_y,
2847 				unsigned src_z,
2848 				unsigned copy_height,
2849 				unsigned pitch,
2850 				unsigned bpp)
2851 {
2852 	struct radeon_winsys_cs *cs = rctx->b.dma.cs;
2853 	struct r600_texture *rsrc = (struct r600_texture*)src;
2854 	struct r600_texture *rdst = (struct r600_texture*)dst;
2855 	unsigned array_mode, lbpp, pitch_tile_max, slice_tile_max, size;
2856 	unsigned ncopy, height, cheight, detile, i, x, y, z, src_mode, dst_mode;
2857 	uint64_t base, addr;
2858 
2859 	dst_mode = rdst->surface.u.legacy.level[dst_level].mode;
2860 	src_mode = rsrc->surface.u.legacy.level[src_level].mode;
2861 	assert(dst_mode != src_mode);
2862 
2863 	y = 0;
2864 	lbpp = util_logbase2(bpp);
2865 	pitch_tile_max = ((pitch / bpp) / 8) - 1;
2866 
2867 	if (dst_mode == RADEON_SURF_MODE_LINEAR_ALIGNED) {
2868 		/* T2L */
2869 		array_mode = r600_array_mode(src_mode);
2870 		slice_tile_max = (rsrc->surface.u.legacy.level[src_level].nblk_x * rsrc->surface.u.legacy.level[src_level].nblk_y) / (8*8);
2871 		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2872 		/* linear height must be the same as the slice tile max height, it's ok even
2873 		 * if the linear destination/source have smaller heigh as the size of the
2874 		 * dma packet will be using the copy_height which is always smaller or equal
2875 		 * to the linear height
2876 		 */
2877 		height = u_minify(rsrc->resource.b.b.height0, src_level);
2878 		detile = 1;
2879 		x = src_x;
2880 		y = src_y;
2881 		z = src_z;
2882 		base = rsrc->surface.u.legacy.level[src_level].offset;
2883 		addr = rdst->surface.u.legacy.level[dst_level].offset;
2884 		addr += (uint64_t)rdst->surface.u.legacy.level[dst_level].slice_size_dw * 4 * dst_z;
2885 		addr += dst_y * pitch + dst_x * bpp;
2886 	} else {
2887 		/* L2T */
2888 		array_mode = r600_array_mode(dst_mode);
2889 		slice_tile_max = (rdst->surface.u.legacy.level[dst_level].nblk_x * rdst->surface.u.legacy.level[dst_level].nblk_y) / (8*8);
2890 		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2891 		/* linear height must be the same as the slice tile max height, it's ok even
2892 		 * if the linear destination/source have smaller heigh as the size of the
2893 		 * dma packet will be using the copy_height which is always smaller or equal
2894 		 * to the linear height
2895 		 */
2896 		height = u_minify(rdst->resource.b.b.height0, dst_level);
2897 		detile = 0;
2898 		x = dst_x;
2899 		y = dst_y;
2900 		z = dst_z;
2901 		base = rdst->surface.u.legacy.level[dst_level].offset;
2902 		addr = rsrc->surface.u.legacy.level[src_level].offset;
2903 		addr += (uint64_t)rsrc->surface.u.legacy.level[src_level].slice_size_dw * 4 * src_z;
2904 		addr += src_y * pitch + src_x * bpp;
2905 	}
2906 	/* check that we are in dw/base alignment constraint */
2907 	if (addr % 4 || base % 256) {
2908 		return FALSE;
2909 	}
2910 
2911 	/* It's a r6xx/r7xx limitation, the blit must be on 8 boundary for number
2912 	 * line in the blit. Compute max 8 line we can copy in the size limit
2913 	 */
2914 	cheight = ((R600_DMA_COPY_MAX_SIZE_DW * 4) / pitch) & 0xfffffff8;
2915 	ncopy = (copy_height / cheight) + !!(copy_height % cheight);
2916 	r600_need_dma_space(&rctx->b, ncopy * 7, &rdst->resource, &rsrc->resource);
2917 
2918 	for (i = 0; i < ncopy; i++) {
2919 		cheight = cheight > copy_height ? copy_height : cheight;
2920 		size = (cheight * pitch) / 4;
2921 		/* emit reloc before writing cs so that cs is always in consistent state */
2922 		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rsrc->resource, RADEON_USAGE_READ,
2923 				      RADEON_PRIO_SDMA_TEXTURE);
2924 		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rdst->resource, RADEON_USAGE_WRITE,
2925 				      RADEON_PRIO_SDMA_TEXTURE);
2926 		radeon_emit(cs, DMA_PACKET(DMA_PACKET_COPY, 1, 0, size));
2927 		radeon_emit(cs, base >> 8);
2928 		radeon_emit(cs, (detile << 31) | (array_mode << 27) |
2929 				(lbpp << 24) | ((height - 1) << 10) |
2930 				pitch_tile_max);
2931 		radeon_emit(cs, (slice_tile_max << 12) | (z << 0));
2932 		radeon_emit(cs, (x << 3) | (y << 17));
2933 		radeon_emit(cs, addr & 0xfffffffc);
2934 		radeon_emit(cs, (addr >> 32UL) & 0xff);
2935 		copy_height -= cheight;
2936 		addr += cheight * pitch;
2937 		y += cheight;
2938 	}
2939 	return TRUE;
2940 }
2941 
r600_dma_copy(struct pipe_context * ctx,struct pipe_resource * dst,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct pipe_resource * src,unsigned src_level,const struct pipe_box * src_box)2942 static void r600_dma_copy(struct pipe_context *ctx,
2943 			  struct pipe_resource *dst,
2944 			  unsigned dst_level,
2945 			  unsigned dstx, unsigned dsty, unsigned dstz,
2946 			  struct pipe_resource *src,
2947 			  unsigned src_level,
2948 			  const struct pipe_box *src_box)
2949 {
2950 	struct r600_context *rctx = (struct r600_context *)ctx;
2951 	struct r600_texture *rsrc = (struct r600_texture*)src;
2952 	struct r600_texture *rdst = (struct r600_texture*)dst;
2953 	unsigned dst_pitch, src_pitch, bpp, dst_mode, src_mode, copy_height;
2954 	unsigned src_w, dst_w;
2955 	unsigned src_x, src_y;
2956 	unsigned dst_x = dstx, dst_y = dsty, dst_z = dstz;
2957 
2958 	if (rctx->b.dma.cs == NULL) {
2959 		goto fallback;
2960 	}
2961 
2962 	if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
2963 		if (dst_x % 4 || src_box->x % 4 || src_box->width % 4)
2964 			goto fallback;
2965 
2966 		r600_dma_copy_buffer(rctx, dst, src, dst_x, src_box->x, src_box->width);
2967 		return;
2968 	}
2969 
2970 	if (src_box->depth > 1 ||
2971 	    !r600_prepare_for_dma_blit(&rctx->b, rdst, dst_level, dstx, dsty,
2972 					dstz, rsrc, src_level, src_box))
2973 		goto fallback;
2974 
2975 	src_x = util_format_get_nblocksx(src->format, src_box->x);
2976 	dst_x = util_format_get_nblocksx(src->format, dst_x);
2977 	src_y = util_format_get_nblocksy(src->format, src_box->y);
2978 	dst_y = util_format_get_nblocksy(src->format, dst_y);
2979 
2980 	bpp = rdst->surface.bpe;
2981 	dst_pitch = rdst->surface.u.legacy.level[dst_level].nblk_x * rdst->surface.bpe;
2982 	src_pitch = rsrc->surface.u.legacy.level[src_level].nblk_x * rsrc->surface.bpe;
2983 	src_w = u_minify(rsrc->resource.b.b.width0, src_level);
2984 	dst_w = u_minify(rdst->resource.b.b.width0, dst_level);
2985 	copy_height = src_box->height / rsrc->surface.blk_h;
2986 
2987 	dst_mode = rdst->surface.u.legacy.level[dst_level].mode;
2988 	src_mode = rsrc->surface.u.legacy.level[src_level].mode;
2989 
2990 	if (src_pitch != dst_pitch || src_box->x || dst_x || src_w != dst_w) {
2991 		/* strict requirement on r6xx/r7xx */
2992 		goto fallback;
2993 	}
2994 	/* lot of constraint on alignment this should capture them all */
2995 	if (src_pitch % 8 || src_box->y % 8 || dst_y % 8) {
2996 		goto fallback;
2997 	}
2998 
2999 	if (src_mode == dst_mode) {
3000 		uint64_t dst_offset, src_offset, size;
3001 
3002 		/* simple dma blit would do NOTE code here assume :
3003 		 *   src_box.x/y == 0
3004 		 *   dst_x/y == 0
3005 		 *   dst_pitch == src_pitch
3006 		 */
3007 		src_offset= rsrc->surface.u.legacy.level[src_level].offset;
3008 		src_offset += (uint64_t)rsrc->surface.u.legacy.level[src_level].slice_size_dw * 4 * src_box->z;
3009 		src_offset += src_y * src_pitch + src_x * bpp;
3010 		dst_offset = rdst->surface.u.legacy.level[dst_level].offset;
3011 		dst_offset += (uint64_t)rdst->surface.u.legacy.level[dst_level].slice_size_dw * 4 * dst_z;
3012 		dst_offset += dst_y * dst_pitch + dst_x * bpp;
3013 		size = src_box->height * src_pitch;
3014 		/* must be dw aligned */
3015 		if (dst_offset % 4 || src_offset % 4 || size % 4) {
3016 			goto fallback;
3017 		}
3018 		r600_dma_copy_buffer(rctx, dst, src, dst_offset, src_offset, size);
3019 	} else {
3020 		if (!r600_dma_copy_tile(rctx, dst, dst_level, dst_x, dst_y, dst_z,
3021 					src, src_level, src_x, src_y, src_box->z,
3022 					copy_height, dst_pitch, bpp)) {
3023 			goto fallback;
3024 		}
3025 	}
3026 	return;
3027 
3028 fallback:
3029 	r600_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
3030 				  src, src_level, src_box);
3031 }
3032 
r600_init_state_functions(struct r600_context * rctx)3033 void r600_init_state_functions(struct r600_context *rctx)
3034 {
3035 	unsigned id = 1;
3036 	unsigned i;
3037 	/* !!!
3038 	 *  To avoid GPU lockup registers must be emited in a specific order
3039 	 * (no kidding ...). The order below is important and have been
3040 	 * partialy infered from analyzing fglrx command stream.
3041 	 *
3042 	 * Don't reorder atom without carefully checking the effect (GPU lockup
3043 	 * or piglit regression).
3044 	 * !!!
3045 	 */
3046 
3047 	r600_init_atom(rctx, &rctx->framebuffer.atom, id++, r600_emit_framebuffer_state, 0);
3048 
3049 	/* shader const */
3050 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX].atom, id++, r600_emit_vs_constant_buffers, 0);
3051 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY].atom, id++, r600_emit_gs_constant_buffers, 0);
3052 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT].atom, id++, r600_emit_ps_constant_buffers, 0);
3053 
3054 	/* sampler must be emited before TA_CNTL_AUX otherwise DISABLE_CUBE_WRAP change
3055 	 * does not take effect (TA_CNTL_AUX emited by r600_emit_seamless_cube_map)
3056 	 */
3057 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].states.atom, id++, r600_emit_vs_sampler_states, 0);
3058 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].states.atom, id++, r600_emit_gs_sampler_states, 0);
3059 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].states.atom, id++, r600_emit_ps_sampler_states, 0);
3060 	/* resource */
3061 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views.atom, id++, r600_emit_vs_sampler_views, 0);
3062 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views.atom, id++, r600_emit_gs_sampler_views, 0);
3063 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views.atom, id++, r600_emit_ps_sampler_views, 0);
3064 	r600_init_atom(rctx, &rctx->vertex_buffer_state.atom, id++, r600_emit_vertex_buffers, 0);
3065 
3066 	r600_init_atom(rctx, &rctx->vgt_state.atom, id++, r600_emit_vgt_state, 10);
3067 
3068 	r600_init_atom(rctx, &rctx->seamless_cube_map.atom, id++, r600_emit_seamless_cube_map, 3);
3069 	r600_init_atom(rctx, &rctx->sample_mask.atom, id++, r600_emit_sample_mask, 3);
3070 	rctx->sample_mask.sample_mask = ~0;
3071 
3072 	r600_init_atom(rctx, &rctx->alphatest_state.atom, id++, r600_emit_alphatest_state, 6);
3073 	r600_init_atom(rctx, &rctx->blend_color.atom, id++, r600_emit_blend_color, 6);
3074 	r600_init_atom(rctx, &rctx->blend_state.atom, id++, r600_emit_cso_state, 0);
3075 	r600_init_atom(rctx, &rctx->cb_misc_state.atom, id++, r600_emit_cb_misc_state, 7);
3076 	r600_init_atom(rctx, &rctx->clip_misc_state.atom, id++, r600_emit_clip_misc_state, 6);
3077 	r600_init_atom(rctx, &rctx->clip_state.atom, id++, r600_emit_clip_state, 26);
3078 	r600_init_atom(rctx, &rctx->db_misc_state.atom, id++, r600_emit_db_misc_state, 7);
3079 	r600_init_atom(rctx, &rctx->db_state.atom, id++, r600_emit_db_state, 11);
3080 	r600_init_atom(rctx, &rctx->dsa_state.atom, id++, r600_emit_cso_state, 0);
3081 	r600_init_atom(rctx, &rctx->poly_offset_state.atom, id++, r600_emit_polygon_offset, 9);
3082 	r600_init_atom(rctx, &rctx->rasterizer_state.atom, id++, r600_emit_cso_state, 0);
3083 	r600_add_atom(rctx, &rctx->b.scissors.atom, id++);
3084 	r600_add_atom(rctx, &rctx->b.viewports.atom, id++);
3085 	r600_init_atom(rctx, &rctx->config_state.atom, id++, r600_emit_config_state, 3);
3086 	r600_init_atom(rctx, &rctx->stencil_ref.atom, id++, r600_emit_stencil_ref, 4);
3087 	r600_init_atom(rctx, &rctx->vertex_fetch_shader.atom, id++, r600_emit_vertex_fetch_shader, 5);
3088 	r600_add_atom(rctx, &rctx->b.render_cond_atom, id++);
3089 	r600_add_atom(rctx, &rctx->b.streamout.begin_atom, id++);
3090 	r600_add_atom(rctx, &rctx->b.streamout.enable_atom, id++);
3091 	for (i = 0; i < R600_NUM_HW_STAGES; i++)
3092 		r600_init_atom(rctx, &rctx->hw_shader_stages[i].atom, id++, r600_emit_shader, 0);
3093 	r600_init_atom(rctx, &rctx->shader_stages.atom, id++, r600_emit_shader_stages, 0);
3094 	r600_init_atom(rctx, &rctx->gs_rings.atom, id++, r600_emit_gs_rings, 0);
3095 
3096 	rctx->b.b.create_blend_state = r600_create_blend_state;
3097 	rctx->b.b.create_depth_stencil_alpha_state = r600_create_dsa_state;
3098 	rctx->b.b.create_rasterizer_state = r600_create_rs_state;
3099 	rctx->b.b.create_sampler_state = r600_create_sampler_state;
3100 	rctx->b.b.create_sampler_view = r600_create_sampler_view;
3101 	rctx->b.b.set_framebuffer_state = r600_set_framebuffer_state;
3102 	rctx->b.b.set_polygon_stipple = r600_set_polygon_stipple;
3103 	rctx->b.b.set_min_samples = r600_set_min_samples;
3104 	rctx->b.b.get_sample_position = r600_get_sample_position;
3105 	rctx->b.dma_copy = r600_dma_copy;
3106 }
3107 /* this function must be last */
3108