• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 amd_gfx_level chip,enum pipe_format format)150 static bool r600_is_colorbuffer_format_supported(enum amd_gfx_level 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 storage_sample_count,unsigned usage)161 bool 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 storage_sample_count,
166 			      unsigned usage)
167 {
168 	struct r600_screen *rscreen = (struct r600_screen*)screen;
169 	unsigned retval = 0;
170 
171 	if (target >= PIPE_MAX_TEXTURE_TYPES) {
172 		R600_ERR("r600: unsupported texture type %d\n", target);
173 		return false;
174 	}
175 
176 	if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
177 		return false;
178 
179 	if (sample_count > 1) {
180 		if (!rscreen->has_msaa)
181 			return false;
182 
183 		/* R11G11B10 is broken on R6xx. */
184 		if (rscreen->b.gfx_level == R600 &&
185 		    format == PIPE_FORMAT_R11G11B10_FLOAT)
186 			return false;
187 
188 		/* MSAA integer colorbuffers hang. */
189 		if (util_format_is_pure_integer(format) &&
190 		    !util_format_is_depth_or_stencil(format))
191 			return false;
192 
193 		switch (sample_count) {
194 		case 2:
195 		case 4:
196 		case 8:
197 			break;
198 		default:
199 			return false;
200 		}
201 	}
202 
203 	if (usage & PIPE_BIND_SAMPLER_VIEW) {
204 		if (target == PIPE_BUFFER) {
205 			if (r600_is_buffer_format_supported(format, false))
206 				retval |= PIPE_BIND_SAMPLER_VIEW;
207 		} else {
208 			if (r600_is_sampler_format_supported(screen, format))
209 				retval |= PIPE_BIND_SAMPLER_VIEW;
210 		}
211 	}
212 
213 	if ((usage & (PIPE_BIND_RENDER_TARGET |
214 		      PIPE_BIND_DISPLAY_TARGET |
215 		      PIPE_BIND_SCANOUT |
216 		      PIPE_BIND_SHARED |
217 		      PIPE_BIND_BLENDABLE)) &&
218 	    r600_is_colorbuffer_format_supported(rscreen->b.gfx_level, format)) {
219 		retval |= usage &
220 			  (PIPE_BIND_RENDER_TARGET |
221 			   PIPE_BIND_DISPLAY_TARGET |
222 			   PIPE_BIND_SCANOUT |
223 			   PIPE_BIND_SHARED);
224 		if (!util_format_is_pure_integer(format) &&
225 		    !util_format_is_depth_or_stencil(format))
226 			retval |= usage & PIPE_BIND_BLENDABLE;
227 	}
228 
229 	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
230 	    r600_is_zs_format_supported(format)) {
231 		retval |= PIPE_BIND_DEPTH_STENCIL;
232 	}
233 
234 	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
235 	    r600_is_buffer_format_supported(format, true)) {
236 		retval |= PIPE_BIND_VERTEX_BUFFER;
237 	}
238 
239 	if (usage & PIPE_BIND_INDEX_BUFFER &&
240 	    r600_is_index_format_supported(format)) {
241 		retval |= PIPE_BIND_INDEX_BUFFER;
242 	}
243 
244 	if ((usage & PIPE_BIND_LINEAR) &&
245 	    !util_format_is_compressed(format) &&
246 	    !(usage & PIPE_BIND_DEPTH_STENCIL))
247 		retval |= PIPE_BIND_LINEAR;
248 
249 	return retval == usage;
250 }
251 
r600_emit_polygon_offset(struct r600_context * rctx,struct r600_atom * a)252 static void r600_emit_polygon_offset(struct r600_context *rctx, struct r600_atom *a)
253 {
254 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
255 	struct r600_poly_offset_state *state = (struct r600_poly_offset_state*)a;
256 	float offset_units = state->offset_units;
257 	float offset_scale = state->offset_scale;
258 	uint32_t pa_su_poly_offset_db_fmt_cntl = 0;
259 
260 	if (!state->offset_units_unscaled) {
261 		switch (state->zs_format) {
262 		case PIPE_FORMAT_Z24X8_UNORM:
263 		case PIPE_FORMAT_Z24_UNORM_S8_UINT:
264 			offset_units *= 2.0f;
265 			pa_su_poly_offset_db_fmt_cntl =
266 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-24);
267 			break;
268 		case PIPE_FORMAT_Z16_UNORM:
269 			offset_units *= 4.0f;
270 			pa_su_poly_offset_db_fmt_cntl =
271 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-16);
272 			break;
273 		default:
274 			pa_su_poly_offset_db_fmt_cntl =
275 				S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS((char)-23) |
276 				S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
277 		}
278 	}
279 
280 	radeon_set_context_reg_seq(cs, R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE, 4);
281 	radeon_emit(cs, fui(offset_scale));
282 	radeon_emit(cs, fui(offset_units));
283 	radeon_emit(cs, fui(offset_scale));
284 	radeon_emit(cs, fui(offset_units));
285 
286 	radeon_set_context_reg(cs, R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
287 			       pa_su_poly_offset_db_fmt_cntl);
288 }
289 
r600_get_blend_control(const struct pipe_blend_state * state,unsigned i)290 static uint32_t r600_get_blend_control(const struct pipe_blend_state *state, unsigned i)
291 {
292 	int j = state->independent_blend_enable ? i : 0;
293 
294 	unsigned eqRGB = state->rt[j].rgb_func;
295 	unsigned srcRGB = state->rt[j].rgb_src_factor;
296 	unsigned dstRGB = state->rt[j].rgb_dst_factor;
297 
298 	unsigned eqA = state->rt[j].alpha_func;
299 	unsigned srcA = state->rt[j].alpha_src_factor;
300 	unsigned dstA = state->rt[j].alpha_dst_factor;
301 	uint32_t bc = 0;
302 
303 	if (!state->rt[j].blend_enable)
304 		return 0;
305 
306 	bc |= S_028804_COLOR_COMB_FCN(r600_translate_blend_function(eqRGB));
307 	bc |= S_028804_COLOR_SRCBLEND(r600_translate_blend_factor(srcRGB));
308 	bc |= S_028804_COLOR_DESTBLEND(r600_translate_blend_factor(dstRGB));
309 
310 	if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
311 		bc |= S_028804_SEPARATE_ALPHA_BLEND(1);
312 		bc |= S_028804_ALPHA_COMB_FCN(r600_translate_blend_function(eqA));
313 		bc |= S_028804_ALPHA_SRCBLEND(r600_translate_blend_factor(srcA));
314 		bc |= S_028804_ALPHA_DESTBLEND(r600_translate_blend_factor(dstA));
315 	}
316 	return bc;
317 }
318 
r600_create_blend_state_mode(struct pipe_context * ctx,const struct pipe_blend_state * state,int mode)319 static void *r600_create_blend_state_mode(struct pipe_context *ctx,
320 					  const struct pipe_blend_state *state,
321 					  int mode)
322 {
323 	struct r600_context *rctx = (struct r600_context *)ctx;
324 	uint32_t color_control = 0, target_mask = 0;
325 	struct r600_blend_state *blend = CALLOC_STRUCT(r600_blend_state);
326 
327 	if (!blend) {
328 		return NULL;
329 	}
330 
331 	r600_init_command_buffer(&blend->buffer, 20);
332 	r600_init_command_buffer(&blend->buffer_no_blend, 20);
333 
334 	/* R600 does not support per-MRT blends */
335 	if (rctx->b.family > CHIP_R600)
336 		color_control |= S_028808_PER_MRT_BLEND(1);
337 
338 	if (state->logicop_enable) {
339 		color_control |= (state->logicop_func << 16) | (state->logicop_func << 20);
340 	} else {
341 		color_control |= (0xcc << 16);
342 	}
343 	/* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
344 	if (state->independent_blend_enable) {
345 		for (int i = 0; i < 8; i++) {
346 			if (state->rt[i].blend_enable) {
347 				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
348 			}
349 			target_mask |= (state->rt[i].colormask << (4 * i));
350 		}
351 	} else {
352 		for (int i = 0; i < 8; i++) {
353 			if (state->rt[0].blend_enable) {
354 				color_control |= S_028808_TARGET_BLEND_ENABLE(1 << i);
355 			}
356 			target_mask |= (state->rt[0].colormask << (4 * i));
357 		}
358 	}
359 
360 	if (target_mask)
361 		color_control |= S_028808_SPECIAL_OP(mode);
362 	else
363 		color_control |= S_028808_SPECIAL_OP(V_028808_DISABLE);
364 
365 	/* only MRT0 has dual src blend */
366 	blend->dual_src_blend = util_blend_state_is_dual(state, 0);
367 	blend->cb_target_mask = target_mask;
368 	blend->cb_color_control = color_control;
369 	blend->cb_color_control_no_blend = color_control & C_028808_TARGET_BLEND_ENABLE;
370 	blend->alpha_to_one = state->alpha_to_one;
371 
372 	r600_store_context_reg(&blend->buffer, R_028D44_DB_ALPHA_TO_MASK,
373 			       S_028D44_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
374 			       S_028D44_ALPHA_TO_MASK_OFFSET0(2) |
375 			       S_028D44_ALPHA_TO_MASK_OFFSET1(2) |
376 			       S_028D44_ALPHA_TO_MASK_OFFSET2(2) |
377 			       S_028D44_ALPHA_TO_MASK_OFFSET3(2));
378 
379 	/* Copy over the registers set so far into buffer_no_blend. */
380 	memcpy(blend->buffer_no_blend.buf, blend->buffer.buf, blend->buffer.num_dw * 4);
381 	blend->buffer_no_blend.num_dw = blend->buffer.num_dw;
382 
383 	/* Only add blend registers if blending is enabled. */
384 	if (!G_028808_TARGET_BLEND_ENABLE(color_control)) {
385 		return blend;
386 	}
387 
388 	/* The first R600 does not support per-MRT blends */
389 	r600_store_context_reg(&blend->buffer, R_028804_CB_BLEND_CONTROL,
390 			       r600_get_blend_control(state, 0));
391 
392 	if (rctx->b.family > CHIP_R600) {
393 		r600_store_context_reg_seq(&blend->buffer, R_028780_CB_BLEND0_CONTROL, 8);
394 		for (int i = 0; i < 8; i++) {
395 			r600_store_value(&blend->buffer, r600_get_blend_control(state, i));
396 		}
397 	}
398 	return blend;
399 }
400 
r600_create_blend_state(struct pipe_context * ctx,const struct pipe_blend_state * state)401 static void *r600_create_blend_state(struct pipe_context *ctx,
402 				     const struct pipe_blend_state *state)
403 {
404 	return r600_create_blend_state_mode(ctx, state, V_028808_SPECIAL_NORMAL);
405 }
406 
r600_create_dsa_state(struct pipe_context * ctx,const struct pipe_depth_stencil_alpha_state * state)407 static void *r600_create_dsa_state(struct pipe_context *ctx,
408 				   const struct pipe_depth_stencil_alpha_state *state)
409 {
410 	unsigned db_depth_control, alpha_test_control, alpha_ref;
411 	struct r600_dsa_state *dsa = CALLOC_STRUCT(r600_dsa_state);
412 
413 	if (!dsa) {
414 		return NULL;
415 	}
416 
417 	r600_init_command_buffer(&dsa->buffer, 3);
418 
419 	dsa->valuemask[0] = state->stencil[0].valuemask;
420 	dsa->valuemask[1] = state->stencil[1].valuemask;
421 	dsa->writemask[0] = state->stencil[0].writemask;
422 	dsa->writemask[1] = state->stencil[1].writemask;
423 	dsa->zwritemask = state->depth_writemask;
424 
425 	db_depth_control = S_028800_Z_ENABLE(state->depth_enabled) |
426 		S_028800_Z_WRITE_ENABLE(state->depth_writemask) |
427 		S_028800_ZFUNC(state->depth_func);
428 
429 	/* stencil */
430 	if (state->stencil[0].enabled) {
431 		db_depth_control |= S_028800_STENCIL_ENABLE(1);
432 		db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); /* translates straight */
433 		db_depth_control |= S_028800_STENCILFAIL(r600_translate_stencil_op(state->stencil[0].fail_op));
434 		db_depth_control |= S_028800_STENCILZPASS(r600_translate_stencil_op(state->stencil[0].zpass_op));
435 		db_depth_control |= S_028800_STENCILZFAIL(r600_translate_stencil_op(state->stencil[0].zfail_op));
436 
437 		if (state->stencil[1].enabled) {
438 			db_depth_control |= S_028800_BACKFACE_ENABLE(1);
439 			db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); /* translates straight */
440 			db_depth_control |= S_028800_STENCILFAIL_BF(r600_translate_stencil_op(state->stencil[1].fail_op));
441 			db_depth_control |= S_028800_STENCILZPASS_BF(r600_translate_stencil_op(state->stencil[1].zpass_op));
442 			db_depth_control |= S_028800_STENCILZFAIL_BF(r600_translate_stencil_op(state->stencil[1].zfail_op));
443 		}
444 	}
445 
446 	/* alpha */
447 	alpha_test_control = 0;
448 	alpha_ref = 0;
449 	if (state->alpha_enabled) {
450 		alpha_test_control = S_028410_ALPHA_FUNC(state->alpha_func);
451 		alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
452 		alpha_ref = fui(state->alpha_ref_value);
453 	}
454 	dsa->sx_alpha_test_control = alpha_test_control & 0xff;
455 	dsa->alpha_ref = alpha_ref;
456 
457 	r600_store_context_reg(&dsa->buffer, R_028800_DB_DEPTH_CONTROL, db_depth_control);
458 	return dsa;
459 }
460 
r600_create_rs_state(struct pipe_context * ctx,const struct pipe_rasterizer_state * state)461 static void *r600_create_rs_state(struct pipe_context *ctx,
462 				  const struct pipe_rasterizer_state *state)
463 {
464 	struct r600_context *rctx = (struct r600_context *)ctx;
465 	unsigned tmp, sc_mode_cntl, spi_interp;
466 	float psize_min, psize_max;
467 	struct r600_rasterizer_state *rs = CALLOC_STRUCT(r600_rasterizer_state);
468 
469 	if (!rs) {
470 		return NULL;
471 	}
472 
473 	r600_init_command_buffer(&rs->buffer, 30);
474 
475 	rs->scissor_enable = state->scissor;
476 	rs->clip_halfz = state->clip_halfz;
477 	rs->flatshade = state->flatshade;
478 	rs->sprite_coord_enable = state->sprite_coord_enable;
479 	rs->rasterizer_discard = state->rasterizer_discard;
480 	rs->two_side = state->light_twoside;
481 	rs->clip_plane_enable = state->clip_plane_enable;
482 	rs->pa_sc_line_stipple = state->line_stipple_enable ?
483 				S_028A0C_LINE_PATTERN(state->line_stipple_pattern) |
484 				S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0;
485 	rs->pa_cl_clip_cntl =
486 		S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) |
487 		S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip_near) |
488 		S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip_far) |
489 		S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
490 	if (rctx->b.gfx_level == R700) {
491 		rs->pa_cl_clip_cntl |=
492 			S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard);
493 	}
494 	rs->multisample_enable = state->multisample;
495 
496 	/* offset */
497 	rs->offset_units = state->offset_units;
498 	rs->offset_scale = state->offset_scale * 16.0f;
499 	rs->offset_enable = state->offset_point || state->offset_line || state->offset_tri;
500 	rs->offset_units_unscaled = state->offset_units_unscaled;
501 
502 	if (state->point_size_per_vertex) {
503 		psize_min = util_get_min_point_size(state);
504 		psize_max = 8192;
505 	} else {
506 		/* Force the point size to be as if the vertex output was disabled. */
507 		psize_min = state->point_size;
508 		psize_max = state->point_size;
509 	}
510 
511 	sc_mode_cntl = S_028A4C_MSAA_ENABLE(state->multisample) |
512 		       S_028A4C_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
513 		       S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
514 		       S_028A4C_PS_ITER_SAMPLE(state->multisample && rctx->ps_iter_samples > 1);
515 	if (rctx->b.family == CHIP_RV770) {
516 		/* workaround possible rendering corruption on RV770 with hyperz together with sample shading */
517 		sc_mode_cntl |= S_028A4C_TILE_COVER_DISABLE(state->multisample && rctx->ps_iter_samples > 1);
518 	}
519 	if (rctx->b.gfx_level >= R700) {
520 		sc_mode_cntl |= S_028A4C_FORCE_EOV_REZ_ENABLE(1) |
521 				S_028A4C_R700_ZMM_LINE_OFFSET(1) |
522 				S_028A4C_R700_VPORT_SCISSOR_ENABLE(1);
523 	} else {
524 		sc_mode_cntl |= S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1);
525 	}
526 
527 	spi_interp = S_0286D4_FLAT_SHADE_ENA(1);
528 	spi_interp |= S_0286D4_PNT_SPRITE_ENA(1) |
529 		S_0286D4_PNT_SPRITE_OVRD_X(2) |
530 		S_0286D4_PNT_SPRITE_OVRD_Y(3) |
531 		S_0286D4_PNT_SPRITE_OVRD_Z(0) |
532 		S_0286D4_PNT_SPRITE_OVRD_W(1);
533 	if (state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT) {
534 		spi_interp |= S_0286D4_PNT_SPRITE_TOP_1(1);
535 	}
536 
537 	r600_store_context_reg_seq(&rs->buffer, R_028A00_PA_SU_POINT_SIZE, 3);
538 	/* point size 12.4 fixed point (divide by two, because 0.5 = 1 pixel. */
539 	tmp = r600_pack_float_12p4(state->point_size/2);
540 	r600_store_value(&rs->buffer, /* R_028A00_PA_SU_POINT_SIZE */
541 			 S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp));
542 	r600_store_value(&rs->buffer, /* R_028A04_PA_SU_POINT_MINMAX */
543 			 S_028A04_MIN_SIZE(r600_pack_float_12p4(psize_min/2)) |
544 			 S_028A04_MAX_SIZE(r600_pack_float_12p4(psize_max/2)));
545 	r600_store_value(&rs->buffer, /* R_028A08_PA_SU_LINE_CNTL */
546 			 S_028A08_WIDTH(r600_pack_float_12p4(state->line_width/2)));
547 
548 	r600_store_context_reg(&rs->buffer, R_0286D4_SPI_INTERP_CONTROL_0, spi_interp);
549 	r600_store_context_reg(&rs->buffer, R_028A4C_PA_SC_MODE_CNTL, sc_mode_cntl);
550 	r600_store_context_reg(&rs->buffer, R_028C08_PA_SU_VTX_CNTL,
551 			       S_028C08_PIX_CENTER_HALF(state->half_pixel_center) |
552 			       S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
553 	r600_store_context_reg(&rs->buffer, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp));
554 
555 	rs->pa_su_sc_mode_cntl = S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) |
556 				 S_028814_CULL_FRONT(state->cull_face & PIPE_FACE_FRONT ? 1 : 0) |
557 				 S_028814_CULL_BACK(state->cull_face & PIPE_FACE_BACK ? 1 : 0) |
558 				 S_028814_FACE(!state->front_ccw) |
559 				 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) |
560 				 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) |
561 				 S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) |
562 				 S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL ||
563 									 state->fill_back != PIPE_POLYGON_MODE_FILL) |
564 				 S_028814_POLYMODE_FRONT_PTYPE(r600_translate_fill(state->fill_front)) |
565 				 S_028814_POLYMODE_BACK_PTYPE(r600_translate_fill(state->fill_back));
566 	if (rctx->b.gfx_level == R700) {
567 		r600_store_context_reg(&rs->buffer, R_028814_PA_SU_SC_MODE_CNTL, rs->pa_su_sc_mode_cntl);
568 	}
569 	if (rctx->b.gfx_level == R600) {
570 		r600_store_context_reg(&rs->buffer, R_028350_SX_MISC,
571 				       S_028350_MULTIPASS(state->rasterizer_discard));
572 	}
573 	return rs;
574 }
575 
r600_tex_filter(unsigned filter,unsigned max_aniso)576 static unsigned r600_tex_filter(unsigned filter, unsigned max_aniso)
577 {
578 	if (filter == PIPE_TEX_FILTER_LINEAR)
579 		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_BILINEAR
580 				     : V_03C000_SQ_TEX_XY_FILTER_BILINEAR;
581 	else
582 		return max_aniso > 1 ? V_03C000_SQ_TEX_XY_FILTER_ANISO_POINT
583 				     : V_03C000_SQ_TEX_XY_FILTER_POINT;
584 }
585 
r600_create_sampler_state(struct pipe_context * ctx,const struct pipe_sampler_state * state)586 static void *r600_create_sampler_state(struct pipe_context *ctx,
587 					const struct pipe_sampler_state *state)
588 {
589 	struct r600_common_screen *rscreen = (struct r600_common_screen*)ctx->screen;
590 	struct r600_pipe_sampler_state *ss = CALLOC_STRUCT(r600_pipe_sampler_state);
591 	unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
592 						       : state->max_anisotropy;
593 	unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
594 
595 	if (!ss) {
596 		return NULL;
597 	}
598 
599 	ss->seamless_cube_map = state->seamless_cube_map;
600 	ss->border_color_use = sampler_state_needs_border_color(state);
601 
602 	/* R_03C000_SQ_TEX_SAMPLER_WORD0_0 */
603 	ss->tex_sampler_words[0] =
604 		S_03C000_CLAMP_X(r600_tex_wrap(state->wrap_s)) |
605 		S_03C000_CLAMP_Y(r600_tex_wrap(state->wrap_t)) |
606 		S_03C000_CLAMP_Z(r600_tex_wrap(state->wrap_r)) |
607 		S_03C000_XY_MAG_FILTER(r600_tex_filter(state->mag_img_filter, max_aniso)) |
608 		S_03C000_XY_MIN_FILTER(r600_tex_filter(state->min_img_filter, max_aniso)) |
609 		S_03C000_MIP_FILTER(r600_tex_mipfilter(state->min_mip_filter)) |
610 		S_03C000_MAX_ANISO_RATIO(max_aniso_ratio) |
611 		S_03C000_DEPTH_COMPARE_FUNCTION(r600_tex_compare(state->compare_func)) |
612 		S_03C000_BORDER_COLOR_TYPE(ss->border_color_use ? V_03C000_SQ_TEX_BORDER_COLOR_REGISTER : 0);
613 	/* R_03C004_SQ_TEX_SAMPLER_WORD1_0 */
614 	ss->tex_sampler_words[1] =
615 		S_03C004_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 6)) |
616 		S_03C004_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 6)) |
617 		S_03C004_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 6));
618 	/* R_03C008_SQ_TEX_SAMPLER_WORD2_0 */
619 	ss->tex_sampler_words[2] = S_03C008_TYPE(1);
620 
621 	if (ss->border_color_use) {
622 		memcpy(&ss->border_color, &state->border_color, sizeof(state->border_color));
623 	}
624 	return ss;
625 }
626 
627 static struct pipe_sampler_view *
texture_buffer_sampler_view(struct r600_pipe_sampler_view * view,unsigned width0,unsigned height0)628 texture_buffer_sampler_view(struct r600_pipe_sampler_view *view,
629 			    unsigned width0, unsigned height0)
630 
631 {
632 	struct r600_texture *tmp = (struct r600_texture*)view->base.texture;
633 	int stride = util_format_get_blocksize(view->base.format);
634 	unsigned format, num_format, format_comp, endian;
635 	uint64_t offset = view->base.u.buf.offset;
636 	unsigned size = view->base.u.buf.size;
637 
638 	r600_vertex_data_type(view->base.format,
639 			      &format, &num_format, &format_comp,
640 			      &endian);
641 
642 	view->tex_resource = &tmp->resource;
643 	view->skip_mip_address_reloc = true;
644 
645 	view->tex_resource_words[0] = offset;
646 	view->tex_resource_words[1] = size - 1;
647 	view->tex_resource_words[2] = S_038008_BASE_ADDRESS_HI(offset >> 32UL) |
648 		S_038008_STRIDE(stride) |
649 		S_038008_DATA_FORMAT(format) |
650 		S_038008_NUM_FORMAT_ALL(num_format) |
651 		S_038008_FORMAT_COMP_ALL(format_comp) |
652 		S_038008_ENDIAN_SWAP(endian);
653 	view->tex_resource_words[3] = 0;
654 	/*
655 	 * in theory dword 4 is for number of elements, for use with resinfo,
656 	 * but it seems to utterly fail to work, the amd gpu shader analyser
657 	 * uses a const buffer to store the element sizes for buffer txq
658 	 */
659 	view->tex_resource_words[4] = 0;
660 	view->tex_resource_words[5] = 0;
661 	view->tex_resource_words[6] = S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_BUFFER);
662 	return &view->base;
663 }
664 
665 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)666 r600_create_sampler_view_custom(struct pipe_context *ctx,
667 				struct pipe_resource *texture,
668 				const struct pipe_sampler_view *state,
669 				unsigned width_first_level, unsigned height_first_level)
670 {
671 	struct r600_pipe_sampler_view *view = CALLOC_STRUCT(r600_pipe_sampler_view);
672 	struct r600_texture *tmp = (struct r600_texture*)texture;
673 	unsigned format, endian;
674 	uint32_t word4 = 0, yuv_format = 0, pitch = 0;
675 	unsigned char swizzle[4], array_mode = 0;
676 	unsigned width, height, depth, offset_level, last_level;
677 	bool do_endian_swap = FALSE;
678 
679 	if (!view)
680 		return NULL;
681 
682 	/* initialize base object */
683 	view->base = *state;
684 	view->base.texture = NULL;
685 	pipe_reference(NULL, &texture->reference);
686 	view->base.texture = texture;
687 	view->base.reference.count = 1;
688 	view->base.context = ctx;
689 
690 	if (texture->target == PIPE_BUFFER)
691 		return texture_buffer_sampler_view(view, texture->width0, 1);
692 
693 	swizzle[0] = state->swizzle_r;
694 	swizzle[1] = state->swizzle_g;
695 	swizzle[2] = state->swizzle_b;
696 	swizzle[3] = state->swizzle_a;
697 
698 	if (R600_BIG_ENDIAN)
699 		do_endian_swap = !tmp->db_compatible;
700 
701 	format = r600_translate_texformat(ctx->screen, state->format,
702 					  swizzle,
703 					  &word4, &yuv_format, do_endian_swap);
704 	assert(format != ~0);
705 	if (format == ~0) {
706 		FREE(view);
707 		return NULL;
708 	}
709 
710 	if (state->format == PIPE_FORMAT_X24S8_UINT ||
711 	    state->format == PIPE_FORMAT_S8X24_UINT ||
712 	    state->format == PIPE_FORMAT_X32_S8X24_UINT ||
713 	    state->format == PIPE_FORMAT_S8_UINT)
714 		view->is_stencil_sampler = true;
715 
716 	if (tmp->is_depth && !r600_can_sample_zs(tmp, view->is_stencil_sampler)) {
717 		if (!r600_init_flushed_depth_texture(ctx, texture, NULL)) {
718 			FREE(view);
719 			return NULL;
720 		}
721 		tmp = tmp->flushed_depth_texture;
722 	}
723 
724 	endian = r600_colorformat_endian_swap(format, do_endian_swap);
725 
726 	offset_level = state->u.tex.first_level;
727 	last_level = state->u.tex.last_level - offset_level;
728 	width = width_first_level;
729 	height = height_first_level;
730         depth = u_minify(texture->depth0, offset_level);
731 	pitch = tmp->surface.u.legacy.level[offset_level].nblk_x * util_format_get_blockwidth(state->format);
732 
733 	if (texture->target == PIPE_TEXTURE_1D_ARRAY) {
734 		height = 1;
735 		depth = texture->array_size;
736 	} else if (texture->target == PIPE_TEXTURE_2D_ARRAY) {
737 		depth = texture->array_size;
738 	} else if (texture->target == PIPE_TEXTURE_CUBE_ARRAY)
739 		depth = texture->array_size / 6;
740 
741 	switch (tmp->surface.u.legacy.level[offset_level].mode) {
742 	default:
743 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
744 		array_mode = V_038000_ARRAY_LINEAR_ALIGNED;
745 		break;
746 	case RADEON_SURF_MODE_1D:
747 		array_mode = V_038000_ARRAY_1D_TILED_THIN1;
748 		break;
749 	case RADEON_SURF_MODE_2D:
750 		array_mode = V_038000_ARRAY_2D_TILED_THIN1;
751 		break;
752 	}
753 
754 	view->tex_resource = &tmp->resource;
755 	view->tex_resource_words[0] = (S_038000_DIM(r600_tex_dim(texture->target, texture->nr_samples)) |
756 				       S_038000_TILE_MODE(array_mode) |
757 				       S_038000_TILE_TYPE(tmp->non_disp_tiling) |
758 				       S_038000_PITCH((pitch / 8) - 1) |
759 				       S_038000_TEX_WIDTH(width - 1));
760 	view->tex_resource_words[1] = (S_038004_TEX_HEIGHT(height - 1) |
761 				       S_038004_TEX_DEPTH(depth - 1) |
762 				       S_038004_DATA_FORMAT(format));
763 	view->tex_resource_words[2] = tmp->surface.u.legacy.level[offset_level].offset_256B;
764 	if (offset_level >= tmp->resource.b.b.last_level) {
765 		view->tex_resource_words[3] = tmp->surface.u.legacy.level[offset_level].offset_256B;
766 	} else {
767 		view->tex_resource_words[3] = tmp->surface.u.legacy.level[offset_level + 1].offset_256B;
768 	}
769 	view->tex_resource_words[4] = (word4 |
770 				       S_038010_REQUEST_SIZE(1) |
771 				       S_038010_ENDIAN_SWAP(endian) |
772 				       S_038010_BASE_LEVEL(0));
773 	view->tex_resource_words[5] = (S_038014_BASE_ARRAY(state->u.tex.first_layer) |
774 				       S_038014_LAST_ARRAY(state->u.tex.last_layer));
775 	if (texture->nr_samples > 1) {
776 		/* LAST_LEVEL holds log2(nr_samples) for multisample textures */
777 		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(util_logbase2(texture->nr_samples));
778 	} else {
779 		view->tex_resource_words[5] |= S_038014_LAST_LEVEL(last_level);
780 	}
781 	view->tex_resource_words[6] = (S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_TEXTURE) |
782 				       S_038018_MAX_ANISO(4 /* max 16 samples */));
783 	return &view->base;
784 }
785 
786 static struct pipe_sampler_view *
r600_create_sampler_view(struct pipe_context * ctx,struct pipe_resource * tex,const struct pipe_sampler_view * state)787 r600_create_sampler_view(struct pipe_context *ctx,
788 			 struct pipe_resource *tex,
789 			 const struct pipe_sampler_view *state)
790 {
791 	return r600_create_sampler_view_custom(ctx, tex, state,
792                                                u_minify(tex->width0, state->u.tex.first_level),
793                                                u_minify(tex->height0, state->u.tex.first_level));
794 }
795 
r600_emit_clip_state(struct r600_context * rctx,struct r600_atom * atom)796 static void r600_emit_clip_state(struct r600_context *rctx, struct r600_atom *atom)
797 {
798 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
799 	struct pipe_clip_state *state = &rctx->clip_state.state;
800 
801 	radeon_set_context_reg_seq(cs, R_028E20_PA_CL_UCP0_X, 6*4);
802 	radeon_emit_array(cs, (unsigned*)state, 6*4);
803 }
804 
r600_set_polygon_stipple(struct pipe_context * ctx,const struct pipe_poly_stipple * state)805 static void r600_set_polygon_stipple(struct pipe_context *ctx,
806 					 const struct pipe_poly_stipple *state)
807 {
808 }
809 
r600_init_color_surface(struct r600_context * rctx,struct r600_surface * surf,bool force_cmask_fmask)810 static void r600_init_color_surface(struct r600_context *rctx,
811 				    struct r600_surface *surf,
812 				    bool force_cmask_fmask)
813 {
814 	struct r600_screen *rscreen = rctx->screen;
815 	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
816 	unsigned level = surf->base.u.tex.level;
817 	unsigned pitch, slice;
818 	unsigned color_info;
819 	unsigned color_view;
820 	unsigned format, swap, ntype, endian;
821 	unsigned offset;
822 	const struct util_format_description *desc;
823 	int i;
824 	bool blend_bypass = 0, blend_clamp = 0, do_endian_swap = FALSE;
825 
826 	if (rtex->db_compatible && !r600_can_sample_zs(rtex, false)) {
827 		r600_init_flushed_depth_texture(&rctx->b.b, surf->base.texture, NULL);
828 		rtex = rtex->flushed_depth_texture;
829 		assert(rtex);
830 	}
831 
832 	offset = (uint64_t)rtex->surface.u.legacy.level[level].offset_256B * 256;
833 	color_view = S_028080_SLICE_START(surf->base.u.tex.first_layer) |
834 		     S_028080_SLICE_MAX(surf->base.u.tex.last_layer);
835 
836 	pitch = rtex->surface.u.legacy.level[level].nblk_x / 8 - 1;
837 	slice = (rtex->surface.u.legacy.level[level].nblk_x * rtex->surface.u.legacy.level[level].nblk_y) / 64;
838 	if (slice) {
839 		slice = slice - 1;
840 	}
841 	color_info = 0;
842 	switch (rtex->surface.u.legacy.level[level].mode) {
843 	default:
844 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
845 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_LINEAR_ALIGNED);
846 		break;
847 	case RADEON_SURF_MODE_1D:
848 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_1D_TILED_THIN1);
849 		break;
850 	case RADEON_SURF_MODE_2D:
851 		color_info = S_0280A0_ARRAY_MODE(V_038000_ARRAY_2D_TILED_THIN1);
852 		break;
853 	}
854 
855 	desc = util_format_description(surf->base.format);
856 
857 	for (i = 0; i < 4; i++) {
858 		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
859 			break;
860 		}
861 	}
862 
863 	ntype = V_0280A0_NUMBER_UNORM;
864 	if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
865 		ntype = V_0280A0_NUMBER_SRGB;
866 	else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
867 		if (desc->channel[i].normalized)
868 			ntype = V_0280A0_NUMBER_SNORM;
869 		else if (desc->channel[i].pure_integer)
870 			ntype = V_0280A0_NUMBER_SINT;
871 	} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
872 		if (desc->channel[i].normalized)
873 			ntype = V_0280A0_NUMBER_UNORM;
874 		else if (desc->channel[i].pure_integer)
875 			ntype = V_0280A0_NUMBER_UINT;
876 	} else if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) {
877 		ntype = V_0280A0_NUMBER_FLOAT;
878 	}
879 
880 	if (R600_BIG_ENDIAN)
881 		do_endian_swap = !rtex->db_compatible;
882 
883 	format = r600_translate_colorformat(rctx->b.gfx_level, surf->base.format,
884 			                              do_endian_swap);
885 	assert(format != ~0);
886 
887 	swap = r600_translate_colorswap(surf->base.format, do_endian_swap);
888 	assert(swap != ~0);
889 
890 	endian = r600_colorformat_endian_swap(format, do_endian_swap);
891 
892 	/* blend clamp should be set for all NORM/SRGB types */
893 	if (ntype == V_0280A0_NUMBER_UNORM || ntype == V_0280A0_NUMBER_SNORM ||
894 	    ntype == V_0280A0_NUMBER_SRGB)
895 		blend_clamp = 1;
896 
897 	/* set blend bypass according to docs if SINT/UINT or
898 	   8/24 COLOR variants */
899 	if (ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT ||
900 	    format == V_0280A0_COLOR_8_24 || format == V_0280A0_COLOR_24_8 ||
901 	    format == V_0280A0_COLOR_X24_8_32_FLOAT) {
902 		blend_clamp = 0;
903 		blend_bypass = 1;
904 	}
905 
906 	surf->alphatest_bypass = ntype == V_0280A0_NUMBER_UINT || ntype == V_0280A0_NUMBER_SINT;
907 
908 	color_info |= S_0280A0_FORMAT(format) |
909 		S_0280A0_COMP_SWAP(swap) |
910 		S_0280A0_BLEND_BYPASS(blend_bypass) |
911 		S_0280A0_BLEND_CLAMP(blend_clamp) |
912 		S_0280A0_SIMPLE_FLOAT(1) |
913 		S_0280A0_NUMBER_TYPE(ntype) |
914 		S_0280A0_ENDIAN(endian);
915 
916 	/* EXPORT_NORM is an optimization that can be enabled for better
917 	 * performance in certain cases
918 	 */
919 	if (rctx->b.gfx_level == R600) {
920 		/* EXPORT_NORM can be enabled if:
921 		 * - 11-bit or smaller UNORM/SNORM/SRGB
922 		 * - BLEND_CLAMP is enabled
923 		 * - BLEND_FLOAT32 is disabled
924 		 */
925 		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
926 		    (desc->channel[i].size < 12 &&
927 		     desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
928 		     ntype != V_0280A0_NUMBER_UINT &&
929 		     ntype != V_0280A0_NUMBER_SINT) &&
930 		    G_0280A0_BLEND_CLAMP(color_info) &&
931 		    /* XXX this condition is always true since BLEND_FLOAT32 is never set (bug?). */
932 		    !G_0280A0_BLEND_FLOAT32(color_info)) {
933 			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
934 			surf->export_16bpc = true;
935 		}
936 	} else {
937 		/* EXPORT_NORM can be enabled if:
938 		 * - 11-bit or smaller UNORM/SNORM/SRGB
939 		 * - 16-bit or smaller FLOAT
940 		 */
941 		if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
942 		    ((desc->channel[i].size < 12 &&
943 		      desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
944 		      ntype != V_0280A0_NUMBER_UINT && ntype != V_0280A0_NUMBER_SINT) ||
945 		    (desc->channel[i].size < 17 &&
946 		     desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT))) {
947 			color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
948 			surf->export_16bpc = true;
949 		}
950 	}
951 
952 	/* These might not always be initialized to zero. */
953 	surf->cb_color_base = offset >> 8;
954 	surf->cb_color_size = S_028060_PITCH_TILE_MAX(pitch) |
955 			      S_028060_SLICE_TILE_MAX(slice);
956 	surf->cb_color_fmask = surf->cb_color_base;
957 	surf->cb_color_cmask = surf->cb_color_base;
958 	surf->cb_color_mask = 0;
959 
960 	r600_resource_reference(&surf->cb_buffer_cmask, &rtex->resource);
961 	r600_resource_reference(&surf->cb_buffer_fmask, &rtex->resource);
962 
963 	if (rtex->cmask.size) {
964 		surf->cb_color_cmask = rtex->cmask.offset >> 8;
965 		surf->cb_color_mask |= S_028100_CMASK_BLOCK_MAX(rtex->cmask.slice_tile_max);
966 
967 		if (rtex->fmask.size) {
968 			color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
969 			surf->cb_color_fmask = rtex->fmask.offset >> 8;
970 			surf->cb_color_mask |= S_028100_FMASK_TILE_MAX(rtex->fmask.slice_tile_max);
971 		} else { /* cmask only */
972 			color_info |= S_0280A0_TILE_MODE(V_0280A0_CLEAR_ENABLE);
973 		}
974 	} else if (force_cmask_fmask) {
975 		/* Allocate dummy FMASK and CMASK if they aren't allocated already.
976 		 *
977 		 * R6xx needs FMASK and CMASK for the destination buffer of color resolve,
978 		 * otherwise it hangs. We don't have FMASK and CMASK pre-allocated,
979 		 * because it's not an MSAA buffer.
980 		 */
981 		struct r600_cmask_info cmask;
982 		struct r600_fmask_info fmask;
983 
984 		r600_texture_get_cmask_info(&rscreen->b, rtex, &cmask);
985 		r600_texture_get_fmask_info(&rscreen->b, rtex, 8, &fmask);
986 
987 		/* CMASK. */
988 		if (!rctx->dummy_cmask ||
989 		    rctx->dummy_cmask->b.b.width0 < cmask.size ||
990 		    (1 << rctx->dummy_cmask->buf->alignment_log2) % cmask.alignment != 0) {
991 			struct pipe_transfer *transfer;
992 			void *ptr;
993 
994 			r600_resource_reference(&rctx->dummy_cmask, NULL);
995 			rctx->dummy_cmask = (struct r600_resource*)
996 				r600_aligned_buffer_create(&rscreen->b.b, 0,
997 							   PIPE_USAGE_DEFAULT,
998 							   cmask.size, cmask.alignment);
999 
1000 			if (unlikely(!rctx->dummy_cmask)) {
1001 				surf->color_initialized = false;
1002 				return;
1003 			}
1004 
1005 			/* Set the contents to 0xCC. */
1006 			ptr = pipe_buffer_map(&rctx->b.b, &rctx->dummy_cmask->b.b, PIPE_MAP_WRITE, &transfer);
1007 			memset(ptr, 0xCC, cmask.size);
1008 			pipe_buffer_unmap(&rctx->b.b, transfer);
1009 		}
1010 		r600_resource_reference(&surf->cb_buffer_cmask, rctx->dummy_cmask);
1011 
1012 		/* FMASK. */
1013 		if (!rctx->dummy_fmask ||
1014 		    rctx->dummy_fmask->b.b.width0 < fmask.size ||
1015 		    (1 << rctx->dummy_fmask->buf->alignment_log2) % fmask.alignment != 0) {
1016 			r600_resource_reference(&rctx->dummy_fmask, NULL);
1017 			rctx->dummy_fmask = (struct r600_resource*)
1018 				r600_aligned_buffer_create(&rscreen->b.b, 0,
1019 							   PIPE_USAGE_DEFAULT,
1020 							   fmask.size, fmask.alignment);
1021 
1022 			if (unlikely(!rctx->dummy_fmask)) {
1023 				surf->color_initialized = false;
1024 				return;
1025 			}
1026 		}
1027 		r600_resource_reference(&surf->cb_buffer_fmask, rctx->dummy_fmask);
1028 
1029 		/* Init the registers. */
1030 		color_info |= S_0280A0_TILE_MODE(V_0280A0_FRAG_ENABLE);
1031 		surf->cb_color_cmask = 0;
1032 		surf->cb_color_fmask = 0;
1033 		surf->cb_color_mask = S_028100_CMASK_BLOCK_MAX(cmask.slice_tile_max) |
1034 				      S_028100_FMASK_TILE_MAX(fmask.slice_tile_max);
1035 	}
1036 
1037 	surf->cb_color_info = color_info;
1038 	surf->cb_color_view = color_view;
1039 	surf->color_initialized = true;
1040 }
1041 
r600_init_depth_surface(struct r600_context * rctx,struct r600_surface * surf)1042 static void r600_init_depth_surface(struct r600_context *rctx,
1043 				    struct r600_surface *surf)
1044 {
1045 	struct r600_texture *rtex = (struct r600_texture*)surf->base.texture;
1046 	unsigned level, pitch, slice, format, offset, array_mode;
1047 
1048 	level = surf->base.u.tex.level;
1049 	offset = (uint64_t)rtex->surface.u.legacy.level[level].offset_256B * 256;
1050 	pitch = rtex->surface.u.legacy.level[level].nblk_x / 8 - 1;
1051 	slice = (rtex->surface.u.legacy.level[level].nblk_x * rtex->surface.u.legacy.level[level].nblk_y) / 64;
1052 	if (slice) {
1053 		slice = slice - 1;
1054 	}
1055 	switch (rtex->surface.u.legacy.level[level].mode) {
1056 	case RADEON_SURF_MODE_2D:
1057 		array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
1058 		break;
1059 	case RADEON_SURF_MODE_1D:
1060 	case RADEON_SURF_MODE_LINEAR_ALIGNED:
1061 	default:
1062 		array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
1063 		break;
1064 	}
1065 
1066 	format = r600_translate_dbformat(surf->base.format);
1067 	assert(format != ~0);
1068 
1069 	surf->db_depth_info = S_028010_ARRAY_MODE(array_mode) | S_028010_FORMAT(format);
1070 	surf->db_depth_base = offset >> 8;
1071 	surf->db_depth_view = S_028004_SLICE_START(surf->base.u.tex.first_layer) |
1072 			      S_028004_SLICE_MAX(surf->base.u.tex.last_layer);
1073 	surf->db_depth_size = S_028000_PITCH_TILE_MAX(pitch) | S_028000_SLICE_TILE_MAX(slice);
1074 	surf->db_prefetch_limit = (rtex->surface.u.legacy.level[level].nblk_y / 8) - 1;
1075 
1076 	if (r600_htile_enabled(rtex, level)) {
1077 		surf->db_htile_data_base = rtex->htile_offset >> 8;
1078 		surf->db_htile_surface = S_028D24_HTILE_WIDTH(1) |
1079 					 S_028D24_HTILE_HEIGHT(1) |
1080 					 S_028D24_FULL_CACHE(1);
1081 		/* preload is not working properly on r6xx/r7xx */
1082 		surf->db_depth_info |= S_028010_TILE_SURFACE_ENABLE(1);
1083 	}
1084 
1085 	surf->depth_initialized = true;
1086 }
1087 
r600_set_framebuffer_state(struct pipe_context * ctx,const struct pipe_framebuffer_state * state)1088 static void r600_set_framebuffer_state(struct pipe_context *ctx,
1089 					const struct pipe_framebuffer_state *state)
1090 {
1091 	struct r600_context *rctx = (struct r600_context *)ctx;
1092 	struct r600_surface *surf;
1093 	struct r600_texture *rtex;
1094 	unsigned i;
1095 	uint32_t target_mask = 0;
1096 
1097 	/* Flush TC when changing the framebuffer state, because the only
1098 	 * client not using TC that can change textures is the framebuffer.
1099 	 * Other places don't typically have to flush TC.
1100 	 */
1101 	rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE |
1102 			 R600_CONTEXT_FLUSH_AND_INV |
1103 			 R600_CONTEXT_FLUSH_AND_INV_CB |
1104 			 R600_CONTEXT_FLUSH_AND_INV_CB_META |
1105 			 R600_CONTEXT_FLUSH_AND_INV_DB |
1106 			 R600_CONTEXT_FLUSH_AND_INV_DB_META |
1107 			 R600_CONTEXT_INV_TEX_CACHE;
1108 
1109 	/* Set the new state. */
1110 	util_copy_framebuffer_state(&rctx->framebuffer.state, state);
1111 
1112 	rctx->framebuffer.export_16bpc = state->nr_cbufs != 0;
1113 	rctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] &&
1114 			       util_format_is_pure_integer(state->cbufs[0]->format);
1115 	rctx->framebuffer.compressed_cb_mask = 0;
1116 	rctx->framebuffer.is_msaa_resolve = state->nr_cbufs == 2 &&
1117 					    state->cbufs[0] && state->cbufs[1] &&
1118 					    state->cbufs[0]->texture->nr_samples > 1 &&
1119 				            state->cbufs[1]->texture->nr_samples <= 1;
1120 	rctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state);
1121 
1122 	/* Colorbuffers. */
1123 	for (i = 0; i < state->nr_cbufs; i++) {
1124 		/* The resolve buffer must have CMASK and FMASK to prevent hardlocks on R6xx. */
1125 		bool force_cmask_fmask = rctx->b.gfx_level == R600 &&
1126 					 rctx->framebuffer.is_msaa_resolve &&
1127 					 i == 1;
1128 
1129 		surf = (struct r600_surface*)state->cbufs[i];
1130 		if (!surf)
1131 			continue;
1132 
1133 		rtex = (struct r600_texture*)surf->base.texture;
1134 		r600_context_add_resource_size(ctx, state->cbufs[i]->texture);
1135 
1136 		target_mask |= (0xf << (i * 4));
1137 
1138 		if (!surf->color_initialized || force_cmask_fmask) {
1139 			r600_init_color_surface(rctx, surf, force_cmask_fmask);
1140 			if (force_cmask_fmask) {
1141 				/* re-initialize later without compression */
1142 				surf->color_initialized = false;
1143 			}
1144 		}
1145 
1146 		if (!surf->export_16bpc) {
1147 			rctx->framebuffer.export_16bpc = false;
1148 		}
1149 
1150 		if (rtex->fmask.size) {
1151 			rctx->framebuffer.compressed_cb_mask |= 1 << i;
1152 		}
1153 	}
1154 
1155 	/* Update alpha-test state dependencies.
1156 	 * Alpha-test is done on the first colorbuffer only. */
1157 	if (state->nr_cbufs) {
1158 		bool alphatest_bypass = false;
1159 
1160 		surf = (struct r600_surface*)state->cbufs[0];
1161 		if (surf) {
1162 			alphatest_bypass = surf->alphatest_bypass;
1163 		}
1164 
1165 		if (rctx->alphatest_state.bypass != alphatest_bypass) {
1166 			rctx->alphatest_state.bypass = alphatest_bypass;
1167 			r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1168 		}
1169 	}
1170 
1171 	/* ZS buffer. */
1172 	if (state->zsbuf) {
1173 		surf = (struct r600_surface*)state->zsbuf;
1174 
1175 		r600_context_add_resource_size(ctx, state->zsbuf->texture);
1176 
1177 		if (!surf->depth_initialized) {
1178 			r600_init_depth_surface(rctx, surf);
1179 		}
1180 
1181 		if (state->zsbuf->format != rctx->poly_offset_state.zs_format) {
1182 			rctx->poly_offset_state.zs_format = state->zsbuf->format;
1183 			r600_mark_atom_dirty(rctx, &rctx->poly_offset_state.atom);
1184 		}
1185 
1186 		if (rctx->db_state.rsurf != surf) {
1187 			rctx->db_state.rsurf = surf;
1188 			r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1189 			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1190 		}
1191 	} else if (rctx->db_state.rsurf) {
1192 		rctx->db_state.rsurf = NULL;
1193 		r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
1194 		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1195 	}
1196 
1197 	if (rctx->cb_misc_state.nr_cbufs != state->nr_cbufs ||
1198 	    rctx->cb_misc_state.bound_cbufs_target_mask != target_mask) {
1199 		rctx->cb_misc_state.bound_cbufs_target_mask = target_mask;
1200 		rctx->cb_misc_state.nr_cbufs = state->nr_cbufs;
1201 		r600_mark_atom_dirty(rctx, &rctx->cb_misc_state.atom);
1202 	}
1203 
1204 	if (state->nr_cbufs == 0 && rctx->alphatest_state.bypass) {
1205 		rctx->alphatest_state.bypass = false;
1206 		r600_mark_atom_dirty(rctx, &rctx->alphatest_state.atom);
1207 	}
1208 
1209 	/* Calculate the CS size. */
1210 	rctx->framebuffer.atom.num_dw =
1211 		10 /*COLOR_INFO*/ + 4 /*SCISSOR*/ + 3 /*SHADER_CONTROL*/ + 8 /*MSAA*/;
1212 
1213 	if (rctx->framebuffer.state.nr_cbufs) {
1214 		rctx->framebuffer.atom.num_dw += 15 * rctx->framebuffer.state.nr_cbufs;
1215 		rctx->framebuffer.atom.num_dw += 3 * (2 + rctx->framebuffer.state.nr_cbufs);
1216 	}
1217 	if (rctx->framebuffer.state.zsbuf) {
1218 		rctx->framebuffer.atom.num_dw += 16;
1219 	} else {
1220 		rctx->framebuffer.atom.num_dw += 3;
1221 	}
1222 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770) {
1223 		rctx->framebuffer.atom.num_dw += 2;
1224 	}
1225 
1226 	r600_mark_atom_dirty(rctx, &rctx->framebuffer.atom);
1227 
1228 	r600_set_sample_locations_constant_buffer(rctx);
1229 	rctx->framebuffer.do_update_surf_dirtiness = true;
1230 }
1231 
1232 static const uint32_t sample_locs_2x[] = {
1233 	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1234 	FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
1235 };
1236 static const unsigned max_dist_2x = 4;
1237 
1238 static const uint32_t sample_locs_4x[] = {
1239 	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1240 	FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
1241 };
1242 static const unsigned max_dist_4x = 6;
1243 static const uint32_t sample_locs_8x[] = {
1244 	FILL_SREG(-1,  1,  1,  5,  3, -5,  5,  3),
1245 	FILL_SREG(-7, -1, -3, -7,  7, -3, -5,  7),
1246 };
1247 static const unsigned max_dist_8x = 7;
1248 
r600_get_sample_position(struct pipe_context * ctx,unsigned sample_count,unsigned sample_index,float * out_value)1249 static void r600_get_sample_position(struct pipe_context *ctx,
1250 				     unsigned sample_count,
1251 				     unsigned sample_index,
1252 				     float *out_value)
1253 {
1254 	int offset, index;
1255 	struct {
1256 		int idx:4;
1257 	} val;
1258 	switch (sample_count) {
1259 	case 1:
1260 	default:
1261 		out_value[0] = out_value[1] = 0.5;
1262 		break;
1263 	case 2:
1264 		offset = 4 * (sample_index * 2);
1265 		val.idx = (sample_locs_2x[0] >> offset) & 0xf;
1266 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1267 		val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
1268 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1269 		break;
1270 	case 4:
1271 		offset = 4 * (sample_index * 2);
1272 		val.idx = (sample_locs_4x[0] >> offset) & 0xf;
1273 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1274 		val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
1275 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1276 		break;
1277 	case 8:
1278 		offset = 4 * (sample_index % 4 * 2);
1279 		index = (sample_index / 4);
1280 		val.idx = (sample_locs_8x[index] >> offset) & 0xf;
1281 		out_value[0] = (float)(val.idx + 8) / 16.0f;
1282 		val.idx = (sample_locs_8x[index] >> (offset + 4)) & 0xf;
1283 		out_value[1] = (float)(val.idx + 8) / 16.0f;
1284 		break;
1285 	}
1286 }
1287 
r600_emit_msaa_state(struct r600_context * rctx,int nr_samples)1288 static void r600_emit_msaa_state(struct r600_context *rctx, int nr_samples)
1289 {
1290 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1291 	unsigned max_dist = 0;
1292 
1293 	if (rctx->b.family == CHIP_R600) {
1294 		switch (nr_samples) {
1295 		default:
1296 			nr_samples = 0;
1297 			break;
1298 		case 2:
1299 			radeon_set_config_reg(cs, R_008B40_PA_SC_AA_SAMPLE_LOCS_2S, sample_locs_2x[0]);
1300 			max_dist = max_dist_2x;
1301 			break;
1302 		case 4:
1303 			radeon_set_config_reg(cs, R_008B44_PA_SC_AA_SAMPLE_LOCS_4S, sample_locs_4x[0]);
1304 			max_dist = max_dist_4x;
1305 			break;
1306 		case 8:
1307 			radeon_set_config_reg_seq(cs, R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0, 2);
1308 			radeon_emit(cs, sample_locs_8x[0]); /* R_008B48_PA_SC_AA_SAMPLE_LOCS_8S_WD0 */
1309 			radeon_emit(cs, sample_locs_8x[1]); /* R_008B4C_PA_SC_AA_SAMPLE_LOCS_8S_WD1 */
1310 			max_dist = max_dist_8x;
1311 			break;
1312 		}
1313 	} else {
1314 		switch (nr_samples) {
1315 		default:
1316 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1317 			radeon_emit(cs, 0); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1318 			radeon_emit(cs, 0); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1319 			nr_samples = 0;
1320 			break;
1321 		case 2:
1322 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1323 			radeon_emit(cs, sample_locs_2x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1324 			radeon_emit(cs, sample_locs_2x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1325 			max_dist = max_dist_2x;
1326 			break;
1327 		case 4:
1328 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1329 			radeon_emit(cs, sample_locs_4x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1330 			radeon_emit(cs, sample_locs_4x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1331 			max_dist = max_dist_4x;
1332 			break;
1333 		case 8:
1334 			radeon_set_context_reg_seq(cs, R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX, 2);
1335 			radeon_emit(cs, sample_locs_8x[0]); /* R_028C1C_PA_SC_AA_SAMPLE_LOCS_MCTX */
1336 			radeon_emit(cs, sample_locs_8x[1]); /* R_028C20_PA_SC_AA_SAMPLE_LOCS_8D_WD1_MCTX */
1337 			max_dist = max_dist_8x;
1338 			break;
1339 		}
1340 	}
1341 
1342 	if (nr_samples > 1) {
1343 		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1344 		radeon_emit(cs, S_028C00_LAST_PIXEL(1) |
1345 				     S_028C00_EXPAND_LINE_WIDTH(1)); /* R_028C00_PA_SC_LINE_CNTL */
1346 		radeon_emit(cs, S_028C04_MSAA_NUM_SAMPLES(util_logbase2(nr_samples)) |
1347 				     S_028C04_MAX_SAMPLE_DIST(max_dist)); /* R_028C04_PA_SC_AA_CONFIG */
1348 	} else {
1349 		radeon_set_context_reg_seq(cs, R_028C00_PA_SC_LINE_CNTL, 2);
1350 		radeon_emit(cs, S_028C00_LAST_PIXEL(1)); /* R_028C00_PA_SC_LINE_CNTL */
1351 		radeon_emit(cs, 0); /* R_028C04_PA_SC_AA_CONFIG */
1352 	}
1353 }
1354 
r600_emit_framebuffer_state(struct r600_context * rctx,struct r600_atom * atom)1355 static void r600_emit_framebuffer_state(struct r600_context *rctx, struct r600_atom *atom)
1356 {
1357 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1358 	struct pipe_framebuffer_state *state = &rctx->framebuffer.state;
1359 	unsigned nr_cbufs = state->nr_cbufs;
1360 	struct r600_surface **cb = (struct r600_surface**)&state->cbufs[0];
1361 	unsigned i, sbu = 0;
1362 
1363 	/* Colorbuffers. */
1364 	radeon_set_context_reg_seq(cs, R_0280A0_CB_COLOR0_INFO, 8);
1365 	for (i = 0; i < nr_cbufs; i++) {
1366 		radeon_emit(cs, cb[i] ? cb[i]->cb_color_info : 0);
1367 	}
1368 	/* set CB_COLOR1_INFO for possible dual-src blending */
1369 	if (rctx->framebuffer.dual_src_blend && i == 1 && cb[0]) {
1370 		radeon_emit(cs, cb[0]->cb_color_info);
1371 		i++;
1372 	}
1373 	for (; i < 8; i++) {
1374 		radeon_emit(cs, 0);
1375 	}
1376 
1377 	if (nr_cbufs) {
1378 		for (i = 0; i < nr_cbufs; i++) {
1379 			unsigned reloc;
1380 
1381 			if (!cb[i])
1382 				continue;
1383 
1384 			/* COLOR_BASE */
1385 			radeon_set_context_reg(cs, R_028040_CB_COLOR0_BASE + i*4, cb[i]->cb_color_base);
1386 
1387 			reloc = radeon_add_to_buffer_list(&rctx->b,
1388 						      &rctx->b.gfx,
1389 						      (struct r600_resource*)cb[i]->base.texture,
1390 						      RADEON_USAGE_READWRITE |
1391 						      (cb[i]->base.texture->nr_samples > 1 ?
1392 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1393 							      RADEON_PRIO_COLOR_BUFFER));
1394 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1395 			radeon_emit(cs, reloc);
1396 
1397 			/* FMASK */
1398 			radeon_set_context_reg(cs, R_0280E0_CB_COLOR0_FRAG + i*4, cb[i]->cb_color_fmask);
1399 
1400 			reloc = radeon_add_to_buffer_list(&rctx->b,
1401 						      &rctx->b.gfx,
1402 						      cb[i]->cb_buffer_fmask,
1403 						      RADEON_USAGE_READWRITE |
1404 						      (cb[i]->base.texture->nr_samples > 1 ?
1405 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1406 							      RADEON_PRIO_COLOR_BUFFER));
1407 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1408 			radeon_emit(cs, reloc);
1409 
1410 			/* CMASK */
1411 			radeon_set_context_reg(cs, R_0280C0_CB_COLOR0_TILE + i*4, cb[i]->cb_color_cmask);
1412 
1413 			reloc = radeon_add_to_buffer_list(&rctx->b,
1414 						      &rctx->b.gfx,
1415 						      cb[i]->cb_buffer_cmask,
1416 						      RADEON_USAGE_READWRITE |
1417 						      (cb[i]->base.texture->nr_samples > 1 ?
1418 							      RADEON_PRIO_COLOR_BUFFER_MSAA :
1419 							      RADEON_PRIO_COLOR_BUFFER));
1420 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1421 			radeon_emit(cs, reloc);
1422 		}
1423 
1424 		radeon_set_context_reg_seq(cs, R_028060_CB_COLOR0_SIZE, nr_cbufs);
1425 		for (i = 0; i < nr_cbufs; i++) {
1426 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_size : 0);
1427 		}
1428 
1429 		radeon_set_context_reg_seq(cs, R_028080_CB_COLOR0_VIEW, nr_cbufs);
1430 		for (i = 0; i < nr_cbufs; i++) {
1431 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_view : 0);
1432 		}
1433 
1434 		radeon_set_context_reg_seq(cs, R_028100_CB_COLOR0_MASK, nr_cbufs);
1435 		for (i = 0; i < nr_cbufs; i++) {
1436 			radeon_emit(cs, cb[i] ? cb[i]->cb_color_mask : 0);
1437 		}
1438 
1439 		sbu |= SURFACE_BASE_UPDATE_COLOR_NUM(nr_cbufs);
1440 	}
1441 
1442 	/* SURFACE_BASE_UPDATE */
1443 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1444 		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1445 		radeon_emit(cs, sbu);
1446 		sbu = 0;
1447 	}
1448 
1449 	/* Zbuffer. */
1450 	if (state->zsbuf) {
1451 		struct r600_surface *surf = (struct r600_surface*)state->zsbuf;
1452 		unsigned reloc = radeon_add_to_buffer_list(&rctx->b,
1453 						       &rctx->b.gfx,
1454 						       (struct r600_resource*)state->zsbuf->texture,
1455 						       RADEON_USAGE_READWRITE |
1456 						       (surf->base.texture->nr_samples > 1 ?
1457 							       RADEON_PRIO_DEPTH_BUFFER_MSAA :
1458 							       RADEON_PRIO_DEPTH_BUFFER));
1459 
1460 		radeon_set_context_reg_seq(cs, R_028000_DB_DEPTH_SIZE, 2);
1461 		radeon_emit(cs, surf->db_depth_size); /* R_028000_DB_DEPTH_SIZE */
1462 		radeon_emit(cs, surf->db_depth_view); /* R_028004_DB_DEPTH_VIEW */
1463 		radeon_set_context_reg_seq(cs, R_02800C_DB_DEPTH_BASE, 2);
1464 		radeon_emit(cs, surf->db_depth_base); /* R_02800C_DB_DEPTH_BASE */
1465 		radeon_emit(cs, surf->db_depth_info); /* R_028010_DB_DEPTH_INFO */
1466 
1467 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1468 		radeon_emit(cs, reloc);
1469 
1470 		radeon_set_context_reg(cs, R_028D34_DB_PREFETCH_LIMIT, surf->db_prefetch_limit);
1471 
1472 		sbu |= SURFACE_BASE_UPDATE_DEPTH;
1473 	} else {
1474 		radeon_set_context_reg(cs, R_028010_DB_DEPTH_INFO, S_028010_FORMAT(V_028010_DEPTH_INVALID));
1475 	}
1476 
1477 	/* SURFACE_BASE_UPDATE */
1478 	if (rctx->b.family > CHIP_R600 && rctx->b.family < CHIP_RV770 && sbu) {
1479 		radeon_emit(cs, PKT3(PKT3_SURFACE_BASE_UPDATE, 0, 0));
1480 		radeon_emit(cs, sbu);
1481 		sbu = 0;
1482 	}
1483 
1484 	/* Framebuffer dimensions. */
1485 	radeon_set_context_reg_seq(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL, 2);
1486 	radeon_emit(cs, S_028240_TL_X(0) | S_028240_TL_Y(0) |
1487 			     S_028240_WINDOW_OFFSET_DISABLE(1)); /* R_028204_PA_SC_WINDOW_SCISSOR_TL */
1488 	radeon_emit(cs, S_028244_BR_X(state->width) |
1489 			     S_028244_BR_Y(state->height)); /* R_028208_PA_SC_WINDOW_SCISSOR_BR */
1490 
1491 	if (rctx->framebuffer.is_msaa_resolve) {
1492 		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL, 1);
1493 	} else {
1494 		/* Always enable the first colorbuffer in CB_SHADER_CONTROL. This
1495 		 * will assure that the alpha-test will work even if there is
1496 		 * no colorbuffer bound. */
1497 		radeon_set_context_reg(cs, R_0287A0_CB_SHADER_CONTROL,
1498 				       (1ull << MAX2(nr_cbufs, 1)) - 1);
1499 	}
1500 
1501 	r600_emit_msaa_state(rctx, rctx->framebuffer.nr_samples);
1502 }
1503 
r600_set_min_samples(struct pipe_context * ctx,unsigned min_samples)1504 static void r600_set_min_samples(struct pipe_context *ctx, unsigned min_samples)
1505 {
1506 	struct r600_context *rctx = (struct r600_context *)ctx;
1507 
1508 	if (rctx->ps_iter_samples == min_samples)
1509 		return;
1510 
1511 	rctx->ps_iter_samples = min_samples;
1512 	if (rctx->framebuffer.nr_samples > 1) {
1513 		r600_mark_atom_dirty(rctx, &rctx->rasterizer_state.atom);
1514 		if (rctx->b.gfx_level == R600)
1515 			r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
1516 	}
1517 }
1518 
r600_emit_cb_misc_state(struct r600_context * rctx,struct r600_atom * atom)1519 static void r600_emit_cb_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1520 {
1521 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1522 	struct r600_cb_misc_state *a = (struct r600_cb_misc_state*)atom;
1523 
1524 	if (G_028808_SPECIAL_OP(a->cb_color_control) == V_028808_SPECIAL_RESOLVE_BOX) {
1525 		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1526 		if (rctx->b.gfx_level == R600) {
1527 			radeon_emit(cs, 0xff); /* R_028238_CB_TARGET_MASK */
1528 			radeon_emit(cs, 0xff); /* R_02823C_CB_SHADER_MASK */
1529 		} else {
1530 			radeon_emit(cs, 0xf); /* R_028238_CB_TARGET_MASK */
1531 			radeon_emit(cs, 0xf); /* R_02823C_CB_SHADER_MASK */
1532 		}
1533 		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL, a->cb_color_control);
1534 	} else {
1535 		unsigned fb_colormask = a->bound_cbufs_target_mask;
1536 		unsigned ps_colormask = a->ps_color_export_mask;
1537 		unsigned multiwrite = a->multiwrite && a->nr_cbufs > 1;
1538 
1539 		radeon_set_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2);
1540 		radeon_emit(cs, a->blend_colormask & fb_colormask); /* R_028238_CB_TARGET_MASK */
1541 		/* Always enable the first color output to make sure alpha-test works even without one. */
1542 		radeon_emit(cs, 0xf | (multiwrite ? fb_colormask : ps_colormask)); /* R_02823C_CB_SHADER_MASK */
1543 		radeon_set_context_reg(cs, R_028808_CB_COLOR_CONTROL,
1544 				       a->cb_color_control |
1545 				       S_028808_MULTIWRITE_ENABLE(multiwrite));
1546 	}
1547 }
1548 
r600_emit_db_state(struct r600_context * rctx,struct r600_atom * atom)1549 static void r600_emit_db_state(struct r600_context *rctx, struct r600_atom *atom)
1550 {
1551 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1552 	struct r600_db_state *a = (struct r600_db_state*)atom;
1553 
1554 	if (a->rsurf && a->rsurf->db_htile_surface) {
1555 		struct r600_texture *rtex = (struct r600_texture *)a->rsurf->base.texture;
1556 		unsigned reloc_idx;
1557 
1558 		radeon_set_context_reg(cs, R_02802C_DB_DEPTH_CLEAR, fui(rtex->depth_clear_value));
1559 		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, a->rsurf->db_htile_surface);
1560 		radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, a->rsurf->db_htile_data_base);
1561 		reloc_idx = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, &rtex->resource,
1562 						  RADEON_USAGE_READWRITE | RADEON_PRIO_SEPARATE_META);
1563 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1564 		radeon_emit(cs, reloc_idx);
1565 	} else {
1566 		radeon_set_context_reg(cs, R_028D24_DB_HTILE_SURFACE, 0);
1567 	}
1568 }
1569 
r600_emit_db_misc_state(struct r600_context * rctx,struct r600_atom * atom)1570 static void r600_emit_db_misc_state(struct r600_context *rctx, struct r600_atom *atom)
1571 {
1572 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1573 	struct r600_db_misc_state *a = (struct r600_db_misc_state*)atom;
1574 	unsigned db_render_control = 0;
1575 	unsigned db_render_override =
1576 		S_028D10_FORCE_HIS_ENABLE0(V_028D10_FORCE_DISABLE) |
1577 		S_028D10_FORCE_HIS_ENABLE1(V_028D10_FORCE_DISABLE);
1578 
1579 	if (rctx->b.gfx_level >= R700) {
1580 		switch (a->ps_conservative_z) {
1581 		default: /* fall through */
1582 		case TGSI_FS_DEPTH_LAYOUT_ANY:
1583 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_ANY_Z);
1584 			break;
1585 		case TGSI_FS_DEPTH_LAYOUT_GREATER:
1586 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_GREATER_THAN_Z);
1587 			break;
1588 		case TGSI_FS_DEPTH_LAYOUT_LESS:
1589 			db_render_control |= S_028D0C_CONSERVATIVE_Z_EXPORT(V_028D0C_EXPORT_LESS_THAN_Z);
1590 			break;
1591 		}
1592 	}
1593 
1594 	if (rctx->b.num_occlusion_queries > 0 &&
1595 	    !a->occlusion_queries_disabled) {
1596 		if (rctx->b.gfx_level >= R700) {
1597 			db_render_control |= S_028D0C_R700_PERFECT_ZPASS_COUNTS(1);
1598 		}
1599 		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1600 	} else {
1601 		db_render_control |= S_028D0C_ZPASS_INCREMENT_DISABLE(1);
1602 	}
1603 
1604 	if (rctx->db_state.rsurf && rctx->db_state.rsurf->db_htile_surface) {
1605 		/* FORCE_OFF means HiZ/HiS are determined by DB_SHADER_CONTROL */
1606 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_OFF);
1607 		/* This is to fix a lockup when hyperz and alpha test are enabled at
1608 		 * the same time somehow GPU get confuse on which order to pick for
1609 		 * z test
1610 		 */
1611 		if (rctx->alphatest_state.sx_alpha_test_control) {
1612 			db_render_override |= S_028D10_FORCE_SHADER_Z_ORDER(1);
1613 		}
1614 	} else {
1615 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1616 	}
1617 	if (rctx->b.gfx_level == R600 && rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0) {
1618 		/* sample shading and hyperz causes lockups on R6xx chips */
1619 		db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1620 	}
1621 	if (a->flush_depthstencil_through_cb) {
1622 		assert(a->copy_depth || a->copy_stencil);
1623 
1624 		db_render_control |= S_028D0C_DEPTH_COPY_ENABLE(a->copy_depth) |
1625 				     S_028D0C_STENCIL_COPY_ENABLE(a->copy_stencil) |
1626 				     S_028D0C_COPY_CENTROID(1) |
1627 				     S_028D0C_COPY_SAMPLE(a->copy_sample);
1628 
1629 		if (rctx->b.gfx_level == R600)
1630 			db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1631 
1632 		if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
1633 		    rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
1634 			db_render_override |= S_028D10_FORCE_HIZ_ENABLE(V_028D10_FORCE_DISABLE);
1635 	} else if (a->flush_depth_inplace || a->flush_stencil_inplace) {
1636 		db_render_control |= S_028D0C_DEPTH_COMPRESS_DISABLE(a->flush_depth_inplace) |
1637 				     S_028D0C_STENCIL_COMPRESS_DISABLE(a->flush_stencil_inplace);
1638 		db_render_override |= S_028D10_NOOP_CULL_DISABLE(1);
1639 	}
1640 	if (a->htile_clear) {
1641 		db_render_control |= S_028D0C_DEPTH_CLEAR_ENABLE(1);
1642 	}
1643 
1644 	/* RV770 workaround for a hang with 8x MSAA. */
1645 	if (rctx->b.family == CHIP_RV770 && a->log_samples == 3) {
1646 		db_render_override |= S_028D10_MAX_TILES_IN_DTT(6);
1647 	}
1648 
1649 	radeon_set_context_reg_seq(cs, R_028D0C_DB_RENDER_CONTROL, 2);
1650 	radeon_emit(cs, db_render_control); /* R_028D0C_DB_RENDER_CONTROL */
1651 	radeon_emit(cs, db_render_override); /* R_028D10_DB_RENDER_OVERRIDE */
1652 	radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, a->db_shader_control);
1653 }
1654 
r600_emit_config_state(struct r600_context * rctx,struct r600_atom * atom)1655 static void r600_emit_config_state(struct r600_context *rctx, struct r600_atom *atom)
1656 {
1657 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1658 	struct r600_config_state *a = (struct r600_config_state*)atom;
1659 
1660 	radeon_set_config_reg(cs, R_008C04_SQ_GPR_RESOURCE_MGMT_1, a->sq_gpr_resource_mgmt_1);
1661 	radeon_set_config_reg(cs, R_008C08_SQ_GPR_RESOURCE_MGMT_2, a->sq_gpr_resource_mgmt_2);
1662 }
1663 
r600_emit_vertex_buffers(struct r600_context * rctx,struct r600_atom * atom)1664 static void r600_emit_vertex_buffers(struct r600_context *rctx, struct r600_atom *atom)
1665 {
1666 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1667 	uint32_t dirty_mask = rctx->vertex_buffer_state.dirty_mask;
1668 
1669 	while (dirty_mask) {
1670 		struct pipe_vertex_buffer *vb;
1671 		struct r600_resource *rbuffer;
1672 		unsigned offset;
1673 		unsigned buffer_index = u_bit_scan(&dirty_mask);
1674 
1675 		vb = &rctx->vertex_buffer_state.vb[buffer_index];
1676 		rbuffer = (struct r600_resource*)vb->buffer.resource;
1677 		assert(rbuffer);
1678 
1679 		offset = vb->buffer_offset;
1680 
1681 		/* fetch resources start at index 320 (OFFSET_FS) */
1682 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1683 		radeon_emit(cs, (R600_FETCH_CONSTANTS_OFFSET_FS + buffer_index) * 7);
1684 		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1685 		radeon_emit(cs, rbuffer->b.b.width0 - offset - 1); /* RESOURCEi_WORD1 */
1686 		radeon_emit(cs, /* RESOURCEi_WORD2 */
1687 				 S_038008_ENDIAN_SWAP(r600_endian_swap(32)) |
1688 				 S_038008_STRIDE(vb->stride));
1689 		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1690 		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1691 		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1692 		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1693 
1694 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1695 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1696 						      RADEON_USAGE_READ | RADEON_PRIO_VERTEX_BUFFER));
1697 	}
1698 }
1699 
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)1700 static void r600_emit_constant_buffers(struct r600_context *rctx,
1701 				       struct r600_constbuf_state *state,
1702 				       unsigned buffer_id_base,
1703 				       unsigned reg_alu_constbuf_size,
1704 				       unsigned reg_alu_const_cache)
1705 {
1706 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1707 	uint32_t dirty_mask = state->dirty_mask;
1708 
1709 	while (dirty_mask) {
1710 		struct pipe_constant_buffer *cb;
1711 		struct r600_resource *rbuffer;
1712 		unsigned offset;
1713 		unsigned buffer_index = ffs(dirty_mask) - 1;
1714 		unsigned gs_ring_buffer = (buffer_index == R600_GS_RING_CONST_BUFFER);
1715 		cb = &state->cb[buffer_index];
1716 		rbuffer = (struct r600_resource*)cb->buffer;
1717 		assert(rbuffer);
1718 
1719 		offset = cb->buffer_offset;
1720 
1721 		if (!gs_ring_buffer) {
1722 			assert(buffer_index < R600_MAX_HW_CONST_BUFFERS);
1723 			radeon_set_context_reg(cs, reg_alu_constbuf_size + buffer_index * 4,
1724 					       DIV_ROUND_UP(cb->buffer_size, 256));
1725 			radeon_set_context_reg(cs, reg_alu_const_cache + buffer_index * 4, offset >> 8);
1726 			radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1727 			radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1728 								  RADEON_USAGE_READ | RADEON_PRIO_CONST_BUFFER));
1729 		}
1730 
1731 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1732 		radeon_emit(cs, (buffer_id_base + buffer_index) * 7);
1733 		radeon_emit(cs, offset); /* RESOURCEi_WORD0 */
1734 		radeon_emit(cs, cb->buffer_size - 1); /* RESOURCEi_WORD1 */
1735 		radeon_emit(cs, /* RESOURCEi_WORD2 */
1736 			    S_038008_ENDIAN_SWAP(gs_ring_buffer ? ENDIAN_NONE : r600_endian_swap(32)) |
1737 			    S_038008_STRIDE(gs_ring_buffer ? 4 : 16));
1738 		radeon_emit(cs, 0); /* RESOURCEi_WORD3 */
1739 		radeon_emit(cs, 0); /* RESOURCEi_WORD4 */
1740 		radeon_emit(cs, 0); /* RESOURCEi_WORD5 */
1741 		radeon_emit(cs, 0xc0000000); /* RESOURCEi_WORD6 */
1742 
1743 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1744 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1745 						      RADEON_USAGE_READ | RADEON_PRIO_CONST_BUFFER));
1746 
1747 		dirty_mask &= ~(1 << buffer_index);
1748 	}
1749 	state->dirty_mask = 0;
1750 }
1751 
r600_emit_vs_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1752 static void r600_emit_vs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1753 {
1754 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX],
1755 				   R600_FETCH_CONSTANTS_OFFSET_VS,
1756 				   R_028180_ALU_CONST_BUFFER_SIZE_VS_0,
1757 				   R_028980_ALU_CONST_CACHE_VS_0);
1758 }
1759 
r600_emit_gs_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1760 static void r600_emit_gs_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1761 {
1762 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY],
1763 				   R600_FETCH_CONSTANTS_OFFSET_GS,
1764 				   R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0,
1765 				   R_0289C0_ALU_CONST_CACHE_GS_0);
1766 }
1767 
r600_emit_ps_constant_buffers(struct r600_context * rctx,struct r600_atom * atom)1768 static void r600_emit_ps_constant_buffers(struct r600_context *rctx, struct r600_atom *atom)
1769 {
1770 	r600_emit_constant_buffers(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT],
1771 				   R600_FETCH_CONSTANTS_OFFSET_PS,
1772 				   R_028140_ALU_CONST_BUFFER_SIZE_PS_0,
1773 				   R_028940_ALU_CONST_CACHE_PS_0);
1774 }
1775 
r600_emit_sampler_views(struct r600_context * rctx,struct r600_samplerview_state * state,unsigned resource_id_base)1776 static void r600_emit_sampler_views(struct r600_context *rctx,
1777 				    struct r600_samplerview_state *state,
1778 				    unsigned resource_id_base)
1779 {
1780 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1781 	uint32_t dirty_mask = state->dirty_mask;
1782 
1783 	while (dirty_mask) {
1784 		struct r600_pipe_sampler_view *rview;
1785 		unsigned resource_index = u_bit_scan(&dirty_mask);
1786 		unsigned reloc;
1787 
1788 		rview = state->views[resource_index];
1789 		assert(rview);
1790 
1791 		radeon_emit(cs, PKT3(PKT3_SET_RESOURCE, 7, 0));
1792 		radeon_emit(cs, (resource_id_base + resource_index) * 7);
1793 		radeon_emit_array(cs, rview->tex_resource_words, 7);
1794 
1795 		reloc = radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rview->tex_resource,
1796 					      RADEON_USAGE_READ |
1797 					      r600_get_sampler_view_priority(rview->tex_resource));
1798 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1799 		radeon_emit(cs, reloc);
1800 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1801 		radeon_emit(cs, reloc);
1802 	}
1803 	state->dirty_mask = 0;
1804 }
1805 
1806 
r600_emit_vs_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1807 static void r600_emit_vs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1808 {
1809 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views, R600_FETCH_CONSTANTS_OFFSET_VS + R600_MAX_CONST_BUFFERS);
1810 }
1811 
r600_emit_gs_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1812 static void r600_emit_gs_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1813 {
1814 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views, R600_FETCH_CONSTANTS_OFFSET_GS + R600_MAX_CONST_BUFFERS);
1815 }
1816 
r600_emit_ps_sampler_views(struct r600_context * rctx,struct r600_atom * atom)1817 static void r600_emit_ps_sampler_views(struct r600_context *rctx, struct r600_atom *atom)
1818 {
1819 	r600_emit_sampler_views(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views, R600_FETCH_CONSTANTS_OFFSET_PS + R600_MAX_CONST_BUFFERS);
1820 }
1821 
r600_emit_sampler_states(struct r600_context * rctx,struct r600_textures_info * texinfo,unsigned resource_id_base,unsigned border_color_reg)1822 static void r600_emit_sampler_states(struct r600_context *rctx,
1823 				struct r600_textures_info *texinfo,
1824 				unsigned resource_id_base,
1825 				unsigned border_color_reg)
1826 {
1827 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1828 	uint32_t dirty_mask = texinfo->states.dirty_mask;
1829 
1830 	while (dirty_mask) {
1831 		struct r600_pipe_sampler_state *rstate;
1832 		struct r600_pipe_sampler_view *rview;
1833 		unsigned i = u_bit_scan(&dirty_mask);
1834 
1835 		rstate = texinfo->states.states[i];
1836 		assert(rstate);
1837 		rview = texinfo->views.views[i];
1838 
1839 		/* TEX_ARRAY_OVERRIDE must be set for array textures to disable
1840 		 * filtering between layers.
1841 		 */
1842 		enum pipe_texture_target target = PIPE_BUFFER;
1843 		if (rview)
1844 			target = rview->base.texture->target;
1845 		if (target == PIPE_TEXTURE_1D_ARRAY ||
1846 		    target == PIPE_TEXTURE_2D_ARRAY) {
1847 			rstate->tex_sampler_words[0] |= S_03C000_TEX_ARRAY_OVERRIDE(1);
1848 			texinfo->is_array_sampler[i] = true;
1849 		} else {
1850 			rstate->tex_sampler_words[0] &= C_03C000_TEX_ARRAY_OVERRIDE;
1851 			texinfo->is_array_sampler[i] = false;
1852 		}
1853 
1854 		radeon_emit(cs, PKT3(PKT3_SET_SAMPLER, 3, 0));
1855 		radeon_emit(cs, (resource_id_base + i) * 3);
1856 		radeon_emit_array(cs, rstate->tex_sampler_words, 3);
1857 
1858 		if (rstate->border_color_use) {
1859 			unsigned offset;
1860 
1861 			offset = border_color_reg;
1862 			offset += i * 16;
1863 			radeon_set_config_reg_seq(cs, offset, 4);
1864 			radeon_emit_array(cs, rstate->border_color.ui, 4);
1865 		}
1866 	}
1867 	texinfo->states.dirty_mask = 0;
1868 }
1869 
r600_emit_vs_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1870 static void r600_emit_vs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1871 {
1872 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_VERTEX], 18, R_00A600_TD_VS_SAMPLER0_BORDER_RED);
1873 }
1874 
r600_emit_gs_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1875 static void r600_emit_gs_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1876 {
1877 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY], 36, R_00A800_TD_GS_SAMPLER0_BORDER_RED);
1878 }
1879 
r600_emit_ps_sampler_states(struct r600_context * rctx,struct r600_atom * atom)1880 static void r600_emit_ps_sampler_states(struct r600_context *rctx, struct r600_atom *atom)
1881 {
1882 	r600_emit_sampler_states(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT], 0, R_00A400_TD_PS_SAMPLER0_BORDER_RED);
1883 }
1884 
r600_emit_seamless_cube_map(struct r600_context * rctx,struct r600_atom * atom)1885 static void r600_emit_seamless_cube_map(struct r600_context *rctx, struct r600_atom *atom)
1886 {
1887 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1888 	unsigned tmp;
1889 
1890 	tmp = S_009508_DISABLE_CUBE_ANISO(1) |
1891 		S_009508_SYNC_GRADIENT(1) |
1892 		S_009508_SYNC_WALKER(1) |
1893 		S_009508_SYNC_ALIGNER(1);
1894 	if (!rctx->seamless_cube_map.enabled) {
1895 		tmp |= S_009508_DISABLE_CUBE_WRAP(1);
1896 	}
1897 	radeon_set_config_reg(cs, R_009508_TA_CNTL_AUX, tmp);
1898 }
1899 
r600_emit_sample_mask(struct r600_context * rctx,struct r600_atom * a)1900 static void r600_emit_sample_mask(struct r600_context *rctx, struct r600_atom *a)
1901 {
1902 	struct r600_sample_mask *s = (struct r600_sample_mask*)a;
1903 	uint8_t mask = s->sample_mask;
1904 
1905 	radeon_set_context_reg(&rctx->b.gfx.cs, R_028C48_PA_SC_AA_MASK,
1906 			       mask | (mask << 8) | (mask << 16) | (mask << 24));
1907 }
1908 
r600_emit_vertex_fetch_shader(struct r600_context * rctx,struct r600_atom * a)1909 static void r600_emit_vertex_fetch_shader(struct r600_context *rctx, struct r600_atom *a)
1910 {
1911 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1912 	struct r600_cso_state *state = (struct r600_cso_state*)a;
1913 	struct r600_fetch_shader *shader = (struct r600_fetch_shader*)state->cso;
1914 
1915 	if (!shader)
1916 		return;
1917 
1918 	radeon_set_context_reg(cs, R_028894_SQ_PGM_START_FS, shader->offset >> 8);
1919 	radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1920 	radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, shader->buffer,
1921                                                   RADEON_USAGE_READ |
1922                                                   RADEON_PRIO_SHADER_BINARY));
1923 }
1924 
r600_emit_shader_stages(struct r600_context * rctx,struct r600_atom * a)1925 static void r600_emit_shader_stages(struct r600_context *rctx, struct r600_atom *a)
1926 {
1927 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1928 	struct r600_shader_stages_state *state = (struct r600_shader_stages_state*)a;
1929 
1930 	uint32_t v2 = 0, primid = 0;
1931 
1932 	if (rctx->vs_shader->current->shader.vs_as_gs_a) {
1933 		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
1934 		primid = 1;
1935 	}
1936 
1937 	if (state->geom_enable) {
1938 		uint32_t cut_val;
1939 
1940 		if (rctx->gs_shader->gs_max_out_vertices <= 128)
1941 			cut_val = V_028A40_GS_CUT_128;
1942 		else if (rctx->gs_shader->gs_max_out_vertices <= 256)
1943 			cut_val = V_028A40_GS_CUT_256;
1944 		else if (rctx->gs_shader->gs_max_out_vertices <= 512)
1945 			cut_val = V_028A40_GS_CUT_512;
1946 		else
1947 			cut_val = V_028A40_GS_CUT_1024;
1948 
1949 		v2 = S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
1950 			S_028A40_CUT_MODE(cut_val);
1951 
1952 		if (rctx->gs_shader->current->shader.gs_prim_id_input)
1953 			primid = 1;
1954 	}
1955 
1956 	radeon_set_context_reg(cs, R_028A40_VGT_GS_MODE, v2);
1957 	radeon_set_context_reg(cs, R_028A84_VGT_PRIMITIVEID_EN, primid);
1958 }
1959 
r600_emit_gs_rings(struct r600_context * rctx,struct r600_atom * a)1960 static void r600_emit_gs_rings(struct r600_context *rctx, struct r600_atom *a)
1961 {
1962 	struct radeon_cmdbuf *cs = &rctx->b.gfx.cs;
1963 	struct r600_gs_rings_state *state = (struct r600_gs_rings_state*)a;
1964 	struct r600_resource *rbuffer;
1965 
1966 	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1967 	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1968 	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1969 
1970 	if (state->enable) {
1971 		rbuffer =(struct r600_resource*)state->esgs_ring.buffer;
1972 		radeon_set_config_reg(cs, R_008C40_SQ_ESGS_RING_BASE, 0);
1973 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1974 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1975 						      RADEON_USAGE_READWRITE |
1976 						      RADEON_PRIO_SHADER_RINGS));
1977 		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE,
1978 				state->esgs_ring.buffer_size >> 8);
1979 
1980 		rbuffer =(struct r600_resource*)state->gsvs_ring.buffer;
1981 		radeon_set_config_reg(cs, R_008C48_SQ_GSVS_RING_BASE, 0);
1982 		radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
1983 		radeon_emit(cs, radeon_add_to_buffer_list(&rctx->b, &rctx->b.gfx, rbuffer,
1984 						      RADEON_USAGE_READWRITE |
1985 						      RADEON_PRIO_SHADER_RINGS));
1986 		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE,
1987 				state->gsvs_ring.buffer_size >> 8);
1988 	} else {
1989 		radeon_set_config_reg(cs, R_008C44_SQ_ESGS_RING_SIZE, 0);
1990 		radeon_set_config_reg(cs, R_008C4C_SQ_GSVS_RING_SIZE, 0);
1991 	}
1992 
1993 	radeon_set_config_reg(cs, R_008040_WAIT_UNTIL, S_008040_WAIT_3D_IDLE(1));
1994 	radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
1995 	radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_VGT_FLUSH));
1996 }
1997 
1998 /* Adjust GPR allocation on R6xx/R7xx */
r600_adjust_gprs(struct r600_context * rctx)1999 bool r600_adjust_gprs(struct r600_context *rctx)
2000 {
2001 	unsigned num_gprs[R600_NUM_HW_STAGES];
2002 	unsigned new_gprs[R600_NUM_HW_STAGES];
2003 	unsigned cur_gprs[R600_NUM_HW_STAGES];
2004 	unsigned def_gprs[R600_NUM_HW_STAGES];
2005 	unsigned def_num_clause_temp_gprs = rctx->r6xx_num_clause_temp_gprs;
2006 	unsigned max_gprs;
2007 	unsigned tmp, tmp2;
2008 	unsigned i;
2009 	bool need_recalc = false, use_default = true;
2010 
2011 	/* hardware will reserve twice num_clause_temp_gprs */
2012 	max_gprs = def_num_clause_temp_gprs * 2;
2013 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2014 		def_gprs[i] = rctx->default_gprs[i];
2015 		max_gprs += def_gprs[i];
2016 	}
2017 
2018 	cur_gprs[R600_HW_STAGE_PS] = G_008C04_NUM_PS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2019 	cur_gprs[R600_HW_STAGE_VS] = G_008C04_NUM_VS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_1);
2020 	cur_gprs[R600_HW_STAGE_GS] = G_008C08_NUM_GS_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2021 	cur_gprs[R600_HW_STAGE_ES] = G_008C08_NUM_ES_GPRS(rctx->config_state.sq_gpr_resource_mgmt_2);
2022 
2023 	num_gprs[R600_HW_STAGE_PS] = rctx->ps_shader->current->shader.bc.ngpr;
2024 	if (rctx->gs_shader) {
2025 		num_gprs[R600_HW_STAGE_ES] = rctx->vs_shader->current->shader.bc.ngpr;
2026 		num_gprs[R600_HW_STAGE_GS] = rctx->gs_shader->current->shader.bc.ngpr;
2027 		num_gprs[R600_HW_STAGE_VS] = rctx->gs_shader->current->gs_copy_shader->shader.bc.ngpr;
2028 	} else {
2029 		num_gprs[R600_HW_STAGE_ES] = 0;
2030 		num_gprs[R600_HW_STAGE_GS] = 0;
2031 		num_gprs[R600_HW_STAGE_VS] = rctx->vs_shader->current->shader.bc.ngpr;
2032 	}
2033 
2034 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2035 		new_gprs[i] = num_gprs[i];
2036 		if (new_gprs[i] > cur_gprs[i])
2037 			need_recalc = true;
2038 		if (new_gprs[i] > def_gprs[i])
2039 			use_default = false;
2040 	}
2041 
2042 	/* the sum of all SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS must <= to max_gprs */
2043 	if (!need_recalc)
2044 		return true;
2045 
2046 	/* try to use switch back to default */
2047 	if (!use_default) {
2048 		/* always privilege vs stage so that at worst we have the
2049 		 * pixel stage producing wrong output (not the vertex
2050 		 * stage) */
2051 		new_gprs[R600_HW_STAGE_PS] = max_gprs - def_num_clause_temp_gprs * 2;
2052 		for (i = R600_HW_STAGE_VS; i < R600_NUM_HW_STAGES; i++)
2053 			new_gprs[R600_HW_STAGE_PS] -= new_gprs[i];
2054 	} else {
2055 		for (i = 0; i < R600_NUM_HW_STAGES; i++)
2056 			new_gprs[i] = def_gprs[i];
2057 	}
2058 
2059 	/* SQ_PGM_RESOURCES_*.NUM_GPRS must always be program to a value <=
2060 	 * SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS otherwise the GPU will lockup
2061 	 * Also if a shader use more gpr than SQ_GPR_RESOURCE_MGMT*.NUM_*_GPRS
2062 	 * it will lockup. So in this case just discard the draw command
2063 	 * and don't change the current gprs repartitions.
2064 	 */
2065 	for (i = 0; i < R600_NUM_HW_STAGES; i++) {
2066 		if (num_gprs[i] > new_gprs[i]) {
2067 			R600_ERR("shaders require too many register (%d + %d + %d + %d) "
2068 				 "for a combined maximum of %d\n",
2069 				 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);
2070 			return false;
2071 		}
2072 	}
2073 
2074 	/* in some case we endup recomputing the current value */
2075 	tmp = S_008C04_NUM_PS_GPRS(new_gprs[R600_HW_STAGE_PS]) |
2076 		S_008C04_NUM_VS_GPRS(new_gprs[R600_HW_STAGE_VS]) |
2077 		S_008C04_NUM_CLAUSE_TEMP_GPRS(def_num_clause_temp_gprs);
2078 
2079 	tmp2 = S_008C08_NUM_ES_GPRS(new_gprs[R600_HW_STAGE_ES]) |
2080 		S_008C08_NUM_GS_GPRS(new_gprs[R600_HW_STAGE_GS]);
2081 	if (rctx->config_state.sq_gpr_resource_mgmt_1 != tmp || rctx->config_state.sq_gpr_resource_mgmt_2 != tmp2) {
2082 		rctx->config_state.sq_gpr_resource_mgmt_1 = tmp;
2083 		rctx->config_state.sq_gpr_resource_mgmt_2 = tmp2;
2084 		r600_mark_atom_dirty(rctx, &rctx->config_state.atom);
2085 		rctx->b.flags |= R600_CONTEXT_WAIT_3D_IDLE;
2086 	}
2087 	return true;
2088 }
2089 
r600_init_atom_start_cs(struct r600_context * rctx)2090 void r600_init_atom_start_cs(struct r600_context *rctx)
2091 {
2092 	int ps_prio;
2093 	int vs_prio;
2094 	int gs_prio;
2095 	int es_prio;
2096 	int num_ps_gprs;
2097 	int num_vs_gprs;
2098 	int num_gs_gprs;
2099 	int num_es_gprs;
2100 	int num_temp_gprs;
2101 	int num_ps_threads;
2102 	int num_vs_threads;
2103 	int num_gs_threads;
2104 	int num_es_threads;
2105 	int num_ps_stack_entries;
2106 	int num_vs_stack_entries;
2107 	int num_gs_stack_entries;
2108 	int num_es_stack_entries;
2109 	enum radeon_family family;
2110 	struct r600_command_buffer *cb = &rctx->start_cs_cmd;
2111 	uint32_t tmp, i;
2112 
2113 	r600_init_command_buffer(cb, 256);
2114 
2115 	/* R6xx requires this packet at the start of each command buffer */
2116 	if (rctx->b.gfx_level == R600) {
2117 		r600_store_value(cb, PKT3(PKT3_START_3D_CMDBUF, 0, 0));
2118 		r600_store_value(cb, 0);
2119 	}
2120 	/* All asics require this one */
2121 	r600_store_value(cb, PKT3(PKT3_CONTEXT_CONTROL, 1, 0));
2122 	r600_store_value(cb, 0x80000000);
2123 	r600_store_value(cb, 0x80000000);
2124 
2125 	/* We're setting config registers here. */
2126 	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2127 	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4));
2128 
2129 	/* This enables pipeline stat & streamout queries.
2130 	 * They are only disabled by blits.
2131 	 */
2132 	r600_store_value(cb, PKT3(PKT3_EVENT_WRITE, 0, 0));
2133 	r600_store_value(cb, EVENT_TYPE(EVENT_TYPE_PIPELINESTAT_START) | EVENT_INDEX(0));
2134 
2135 	family = rctx->b.family;
2136 	ps_prio = 0;
2137 	vs_prio = 1;
2138 	gs_prio = 2;
2139 	es_prio = 3;
2140 	switch (family) {
2141 	case CHIP_R600:
2142 		num_ps_gprs = 192;
2143 		num_vs_gprs = 56;
2144 		num_temp_gprs = 4;
2145 		num_gs_gprs = 0;
2146 		num_es_gprs = 0;
2147 		num_ps_threads = 136;
2148 		num_vs_threads = 48;
2149 		num_gs_threads = 4;
2150 		num_es_threads = 4;
2151 		num_ps_stack_entries = 128;
2152 		num_vs_stack_entries = 128;
2153 		num_gs_stack_entries = 0;
2154 		num_es_stack_entries = 0;
2155 		break;
2156 	case CHIP_RV630:
2157 	case CHIP_RV635:
2158 		num_ps_gprs = 84;
2159 		num_vs_gprs = 36;
2160 		num_temp_gprs = 4;
2161 		num_gs_gprs = 0;
2162 		num_es_gprs = 0;
2163 		num_ps_threads = 144;
2164 		num_vs_threads = 40;
2165 		num_gs_threads = 4;
2166 		num_es_threads = 4;
2167 		num_ps_stack_entries = 40;
2168 		num_vs_stack_entries = 40;
2169 		num_gs_stack_entries = 32;
2170 		num_es_stack_entries = 16;
2171 		break;
2172 	case CHIP_RV610:
2173 	case CHIP_RV620:
2174 	case CHIP_RS780:
2175 	case CHIP_RS880:
2176 	default:
2177 		num_ps_gprs = 84;
2178 		num_vs_gprs = 36;
2179 		num_temp_gprs = 4;
2180 		num_gs_gprs = 0;
2181 		num_es_gprs = 0;
2182 		/* use limits 40 VS and at least 16 ES/GS */
2183 		num_ps_threads = 120;
2184 		num_vs_threads = 40;
2185 		num_gs_threads = 16;
2186 		num_es_threads = 16;
2187 		num_ps_stack_entries = 40;
2188 		num_vs_stack_entries = 40;
2189 		num_gs_stack_entries = 32;
2190 		num_es_stack_entries = 16;
2191 		break;
2192 	case CHIP_RV670:
2193 		num_ps_gprs = 144;
2194 		num_vs_gprs = 40;
2195 		num_temp_gprs = 4;
2196 		num_gs_gprs = 0;
2197 		num_es_gprs = 0;
2198 		num_ps_threads = 136;
2199 		num_vs_threads = 48;
2200 		num_gs_threads = 4;
2201 		num_es_threads = 4;
2202 		num_ps_stack_entries = 40;
2203 		num_vs_stack_entries = 40;
2204 		num_gs_stack_entries = 32;
2205 		num_es_stack_entries = 16;
2206 		break;
2207 	case CHIP_RV770:
2208 		num_ps_gprs = 130;
2209 		num_vs_gprs = 56;
2210 		num_temp_gprs = 4;
2211 		num_gs_gprs = 31;
2212 		num_es_gprs = 31;
2213 		num_ps_threads = 180;
2214 		num_vs_threads = 60;
2215 		num_gs_threads = 4;
2216 		num_es_threads = 4;
2217 		num_ps_stack_entries = 128;
2218 		num_vs_stack_entries = 128;
2219 		num_gs_stack_entries = 128;
2220 		num_es_stack_entries = 128;
2221 		break;
2222 	case CHIP_RV730:
2223 	case CHIP_RV740:
2224 		num_ps_gprs = 84;
2225 		num_vs_gprs = 36;
2226 		num_temp_gprs = 4;
2227 		num_gs_gprs = 0;
2228 		num_es_gprs = 0;
2229 		num_ps_threads = 180;
2230 		num_vs_threads = 60;
2231 		num_gs_threads = 4;
2232 		num_es_threads = 4;
2233 		num_ps_stack_entries = 128;
2234 		num_vs_stack_entries = 128;
2235 		num_gs_stack_entries = 0;
2236 		num_es_stack_entries = 0;
2237 		break;
2238 	case CHIP_RV710:
2239 		num_ps_gprs = 192;
2240 		num_vs_gprs = 56;
2241 		num_temp_gprs = 4;
2242 		num_gs_gprs = 0;
2243 		num_es_gprs = 0;
2244 		num_ps_threads = 136;
2245 		num_vs_threads = 48;
2246 		num_gs_threads = 4;
2247 		num_es_threads = 4;
2248 		num_ps_stack_entries = 128;
2249 		num_vs_stack_entries = 128;
2250 		num_gs_stack_entries = 0;
2251 		num_es_stack_entries = 0;
2252 		break;
2253 	}
2254 
2255 	rctx->default_gprs[R600_HW_STAGE_PS] = num_ps_gprs;
2256 	rctx->default_gprs[R600_HW_STAGE_VS] = num_vs_gprs;
2257 	rctx->default_gprs[R600_HW_STAGE_GS] = 0;
2258 	rctx->default_gprs[R600_HW_STAGE_ES] = 0;
2259 
2260 	rctx->r6xx_num_clause_temp_gprs = num_temp_gprs;
2261 
2262 	/* SQ_CONFIG */
2263 	tmp = 0;
2264 	switch (family) {
2265 	case CHIP_RV610:
2266 	case CHIP_RV620:
2267 	case CHIP_RS780:
2268 	case CHIP_RS880:
2269 	case CHIP_RV710:
2270 		break;
2271 	default:
2272 		tmp |= S_008C00_VC_ENABLE(1);
2273 		break;
2274 	}
2275 	tmp |= S_008C00_DX9_CONSTS(0);
2276 	tmp |= S_008C00_ALU_INST_PREFER_VECTOR(1);
2277 	tmp |= S_008C00_PS_PRIO(ps_prio);
2278 	tmp |= S_008C00_VS_PRIO(vs_prio);
2279 	tmp |= S_008C00_GS_PRIO(gs_prio);
2280 	tmp |= S_008C00_ES_PRIO(es_prio);
2281 	r600_store_config_reg(cb, R_008C00_SQ_CONFIG, tmp);
2282 
2283 	/* SQ_GPR_RESOURCE_MGMT_2 */
2284 	tmp = S_008C08_NUM_GS_GPRS(num_gs_gprs);
2285 	tmp |= S_008C08_NUM_ES_GPRS(num_es_gprs);
2286 	r600_store_config_reg_seq(cb, R_008C08_SQ_GPR_RESOURCE_MGMT_2, 4);
2287 	r600_store_value(cb, tmp);
2288 
2289 	/* SQ_THREAD_RESOURCE_MGMT */
2290 	tmp = S_008C0C_NUM_PS_THREADS(num_ps_threads);
2291 	tmp |= S_008C0C_NUM_VS_THREADS(num_vs_threads);
2292 	tmp |= S_008C0C_NUM_GS_THREADS(num_gs_threads);
2293 	tmp |= S_008C0C_NUM_ES_THREADS(num_es_threads);
2294 	r600_store_value(cb, tmp); /* R_008C0C_SQ_THREAD_RESOURCE_MGMT */
2295 
2296 	/* SQ_STACK_RESOURCE_MGMT_1 */
2297 	tmp = S_008C10_NUM_PS_STACK_ENTRIES(num_ps_stack_entries);
2298 	tmp |= S_008C10_NUM_VS_STACK_ENTRIES(num_vs_stack_entries);
2299 	r600_store_value(cb, tmp); /* R_008C10_SQ_STACK_RESOURCE_MGMT_1 */
2300 
2301 	/* SQ_STACK_RESOURCE_MGMT_2 */
2302 	tmp = S_008C14_NUM_GS_STACK_ENTRIES(num_gs_stack_entries);
2303 	tmp |= S_008C14_NUM_ES_STACK_ENTRIES(num_es_stack_entries);
2304 	r600_store_value(cb, tmp); /* R_008C14_SQ_STACK_RESOURCE_MGMT_2 */
2305 
2306 	r600_store_config_reg(cb, R_009714_VC_ENHANCE, 0);
2307 
2308 	if (rctx->b.gfx_level >= R700) {
2309 		r600_store_context_reg(cb, R_028A50_VGT_ENHANCE, 4);
2310 		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0x00004000);
2311 		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0);
2312 		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x00420204);
2313 		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 0);
2314 	} else {
2315 		r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2316 		r600_store_config_reg(cb, R_009830_DB_DEBUG, 0x82000000);
2317 		r600_store_config_reg(cb, R_009838_DB_WATERMARKS, 0x01020204);
2318 		r600_store_context_reg(cb, R_0286C8_SPI_THREAD_GROUPING, 1);
2319 	}
2320 	r600_store_context_reg_seq(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE, 9);
2321 	r600_store_value(cb, 0); /* R_0288A8_SQ_ESGS_RING_ITEMSIZE */
2322 	r600_store_value(cb, 0); /* R_0288AC_SQ_GSVS_RING_ITEMSIZE */
2323 	r600_store_value(cb, 0); /* R_0288B0_SQ_ESTMP_RING_ITEMSIZE */
2324 	r600_store_value(cb, 0); /* R_0288B4_SQ_GSTMP_RING_ITEMSIZE */
2325 	r600_store_value(cb, 0); /* R_0288B8_SQ_VSTMP_RING_ITEMSIZE */
2326 	r600_store_value(cb, 0); /* R_0288BC_SQ_PSTMP_RING_ITEMSIZE */
2327 	r600_store_value(cb, 0); /* R_0288C0_SQ_FBUF_RING_ITEMSIZE */
2328 	r600_store_value(cb, 0); /* R_0288C4_SQ_REDUC_RING_ITEMSIZE */
2329 	r600_store_value(cb, 0); /* R_0288C8_SQ_GS_VERT_ITEMSIZE */
2330 
2331 	/* to avoid GPU doing any preloading of constant from random address */
2332 	r600_store_context_reg_seq(cb, R_028140_ALU_CONST_BUFFER_SIZE_PS_0, 16);
2333 	for (i = 0; i < 16; i++)
2334 		r600_store_value(cb, 0);
2335 
2336 	r600_store_context_reg_seq(cb, R_028180_ALU_CONST_BUFFER_SIZE_VS_0, 16);
2337 	for (i = 0; i < 16; i++)
2338 		r600_store_value(cb, 0);
2339 
2340 	r600_store_context_reg_seq(cb, R_0281C0_ALU_CONST_BUFFER_SIZE_GS_0, 16);
2341 	for (i = 0; i < 16; i++)
2342 		r600_store_value(cb, 0);
2343 
2344 	r600_store_context_reg_seq(cb, R_028A10_VGT_OUTPUT_PATH_CNTL, 13);
2345 	r600_store_value(cb, 0); /* R_028A10_VGT_OUTPUT_PATH_CNTL */
2346 	r600_store_value(cb, 0); /* R_028A14_VGT_HOS_CNTL */
2347 	r600_store_value(cb, 0); /* R_028A18_VGT_HOS_MAX_TESS_LEVEL */
2348 	r600_store_value(cb, 0); /* R_028A1C_VGT_HOS_MIN_TESS_LEVEL */
2349 	r600_store_value(cb, 0); /* R_028A20_VGT_HOS_REUSE_DEPTH */
2350 	r600_store_value(cb, 0); /* R_028A24_VGT_GROUP_PRIM_TYPE */
2351 	r600_store_value(cb, 0); /* R_028A28_VGT_GROUP_FIRST_DECR */
2352 	r600_store_value(cb, 0); /* R_028A2C_VGT_GROUP_DECR */
2353 	r600_store_value(cb, 0); /* R_028A30_VGT_GROUP_VECT_0_CNTL */
2354 	r600_store_value(cb, 0); /* R_028A34_VGT_GROUP_VECT_1_CNTL */
2355 	r600_store_value(cb, 0); /* R_028A38_VGT_GROUP_VECT_0_FMT_CNTL */
2356 	r600_store_value(cb, 0); /* R_028A3C_VGT_GROUP_VECT_1_FMT_CNTL */
2357 	r600_store_value(cb, 0); /* R_028A40_VGT_GS_MODE, 0); */
2358 
2359 	r600_store_context_reg(cb, R_028A84_VGT_PRIMITIVEID_EN, 0);
2360 	r600_store_context_reg(cb, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 0);
2361 	r600_store_context_reg(cb, R_028AA4_VGT_INSTANCE_STEP_RATE_1, 0);
2362 
2363 	r600_store_context_reg_seq(cb, R_028AB4_VGT_REUSE_OFF, 2);
2364 	r600_store_value(cb, 1); /* R_028AB4_VGT_REUSE_OFF */
2365 	r600_store_value(cb, 0); /* R_028AB8_VGT_VTX_CNT_EN */
2366 
2367 	r600_store_context_reg(cb, R_028B20_VGT_STRMOUT_BUFFER_EN, 0);
2368 
2369 	r600_store_ctl_const(cb, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0);
2370 
2371 	r600_store_context_reg(cb, R_028028_DB_STENCIL_CLEAR, 0);
2372 
2373 	r600_store_context_reg_seq(cb, R_0286DC_SPI_FOG_CNTL, 3);
2374 	r600_store_value(cb, 0); /* R_0286DC_SPI_FOG_CNTL */
2375 	r600_store_value(cb, 0); /* R_0286E0_SPI_FOG_FUNC_SCALE */
2376 	r600_store_value(cb, 0); /* R_0286E4_SPI_FOG_FUNC_BIAS */
2377 
2378 	r600_store_context_reg_seq(cb, R_028D28_DB_SRESULTS_COMPARE_STATE0, 3);
2379 	r600_store_value(cb, 0); /* R_028D28_DB_SRESULTS_COMPARE_STATE0 */
2380 	r600_store_value(cb, 0); /* R_028D2C_DB_SRESULTS_COMPARE_STATE1 */
2381 	r600_store_value(cb, 0); /* R_028D30_DB_PRELOAD_CONTROL */
2382 
2383 	r600_store_context_reg(cb, R_028820_PA_CL_NANINF_CNTL, 0);
2384 	r600_store_context_reg(cb, R_028A48_PA_SC_MPASS_PS_CNTL, 0);
2385 
2386 	r600_store_context_reg(cb, R_028200_PA_SC_WINDOW_OFFSET, 0);
2387 	r600_store_context_reg(cb, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF);
2388 
2389 	if (rctx->b.gfx_level >= R700) {
2390 		r600_store_context_reg(cb, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA);
2391 	}
2392 
2393 	r600_store_context_reg_seq(cb, R_028C30_CB_CLRCMP_CONTROL, 4);
2394 	r600_store_value(cb, 0x1000000);  /* R_028C30_CB_CLRCMP_CONTROL */
2395 	r600_store_value(cb, 0);          /* R_028C34_CB_CLRCMP_SRC */
2396 	r600_store_value(cb, 0xFF);       /* R_028C38_CB_CLRCMP_DST */
2397 	r600_store_value(cb, 0xFFFFFFFF); /* R_028C3C_CB_CLRCMP_MSK */
2398 
2399 	r600_store_context_reg_seq(cb, R_028030_PA_SC_SCREEN_SCISSOR_TL, 2);
2400 	r600_store_value(cb, 0); /* R_028030_PA_SC_SCREEN_SCISSOR_TL */
2401 	r600_store_value(cb, S_028034_BR_X(8192) | S_028034_BR_Y(8192)); /* R_028034_PA_SC_SCREEN_SCISSOR_BR */
2402 
2403 	r600_store_context_reg_seq(cb, R_028240_PA_SC_GENERIC_SCISSOR_TL, 2);
2404 	r600_store_value(cb, 0); /* R_028240_PA_SC_GENERIC_SCISSOR_TL */
2405 	r600_store_value(cb, S_028244_BR_X(8192) | S_028244_BR_Y(8192)); /* R_028244_PA_SC_GENERIC_SCISSOR_BR */
2406 
2407 	r600_store_context_reg_seq(cb, R_0288CC_SQ_PGM_CF_OFFSET_PS, 5);
2408 	r600_store_value(cb, 0); /* R_0288CC_SQ_PGM_CF_OFFSET_PS */
2409 	r600_store_value(cb, 0); /* R_0288D0_SQ_PGM_CF_OFFSET_VS */
2410 	r600_store_value(cb, 0); /* R_0288D4_SQ_PGM_CF_OFFSET_GS */
2411 	r600_store_value(cb, 0); /* R_0288D8_SQ_PGM_CF_OFFSET_ES */
2412 	r600_store_value(cb, 0); /* R_0288DC_SQ_PGM_CF_OFFSET_FS */
2413 
2414         r600_store_context_reg(cb, R_0288E0_SQ_VTX_SEMANTIC_CLEAR, ~0);
2415 
2416         r600_store_context_reg_seq(cb, R_028400_VGT_MAX_VTX_INDX, 2);
2417 	r600_store_value(cb, ~0); /* R_028400_VGT_MAX_VTX_INDX */
2418 	r600_store_value(cb, 0); /* R_028404_VGT_MIN_VTX_INDX */
2419 
2420 	r600_store_context_reg(cb, R_0288A4_SQ_PGM_RESOURCES_FS, 0);
2421 
2422 	if (rctx->b.gfx_level == R700)
2423 		r600_store_context_reg(cb, R_028350_SX_MISC, 0);
2424 	if (rctx->b.gfx_level == R700 && rctx->screen->b.has_streamout)
2425 		r600_store_context_reg(cb, R_028354_SX_SURFACE_SYNC, S_028354_SURFACE_SYNC_MASK(0xf));
2426 
2427 	r600_store_context_reg(cb, R_028800_DB_DEPTH_CONTROL, 0);
2428 	if (rctx->screen->b.has_streamout) {
2429 		r600_store_context_reg(cb, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
2430 	}
2431 
2432 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0, 0x1000FFF);
2433 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (32 * 4), 0x1000FFF);
2434 	r600_store_loop_const(cb, R_03E200_SQ_LOOP_CONST_0 + (64 * 4), 0x1000FFF);
2435 }
2436 
r600_update_ps_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2437 void r600_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2438 {
2439 	struct r600_context *rctx = (struct r600_context *)ctx;
2440 	struct r600_command_buffer *cb = &shader->command_buffer;
2441 	struct r600_shader *rshader = &shader->shader;
2442 	unsigned i, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z, spi_ps_in_control_1, db_shader_control;
2443 	int pos_index = -1, face_index = -1, fixed_pt_position_index = -1;
2444 	unsigned tmp, sid, ufi = 0;
2445 	int need_linear = 0;
2446 	unsigned z_export = 0, stencil_export = 0, mask_export = 0;
2447 
2448 	/* Pull any state we use out of rctx.  Make sure that any additional
2449 	 * state added to this list is also checked in the caller in
2450 	 * r600_update_derived_state().
2451 	 */
2452 	bool sprite_coord_enable = rctx->rasterizer ? rctx->rasterizer->sprite_coord_enable : 0;
2453 	bool flatshade = rctx->rasterizer ? rctx->rasterizer->flatshade : 0;
2454 	bool msaa = rctx->framebuffer.nr_samples > 1 && rctx->ps_iter_samples > 0;
2455 
2456 	if (!cb->buf) {
2457 		r600_init_command_buffer(cb, 64);
2458 	} else {
2459 		cb->num_dw = 0;
2460 	}
2461 
2462 	r600_store_context_reg_seq(cb, R_028644_SPI_PS_INPUT_CNTL_0, rshader->ninput);
2463 	for (i = 0; i < rshader->ninput; i++) {
2464 		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION)
2465 			pos_index = i;
2466 		if (rshader->input[i].name == TGSI_SEMANTIC_FACE && face_index == -1)
2467 			face_index = i;
2468 		if (rshader->input[i].name == TGSI_SEMANTIC_SAMPLEID)
2469 			fixed_pt_position_index = i;
2470 
2471 		sid = rshader->input[i].spi_sid;
2472 
2473 		tmp = S_028644_SEMANTIC(sid);
2474 
2475 		/* D3D 9 behaviour. GL is undefined */
2476 		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR && rshader->input[i].sid == 0)
2477 			tmp |= S_028644_DEFAULT_VAL(3);
2478 
2479 		if (rshader->input[i].name == TGSI_SEMANTIC_POSITION ||
2480 			rshader->input[i].interpolate == TGSI_INTERPOLATE_CONSTANT ||
2481 			(rshader->input[i].interpolate == TGSI_INTERPOLATE_COLOR && flatshade))
2482 			tmp |= S_028644_FLAT_SHADE(1);
2483 
2484 		if (rshader->input[i].name == TGSI_SEMANTIC_PCOORD ||
2485 		    (rshader->input[i].name == TGSI_SEMANTIC_TEXCOORD &&
2486 		     sprite_coord_enable & (1 << rshader->input[i].sid))) {
2487 			tmp |= S_028644_PT_SPRITE_TEX(1);
2488 		}
2489 
2490 		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID)
2491 			tmp |= S_028644_SEL_CENTROID(1);
2492 
2493 		if (rshader->input[i].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE)
2494 			tmp |= S_028644_SEL_SAMPLE(1);
2495 
2496 		if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR) {
2497 			need_linear = 1;
2498 			tmp |= S_028644_SEL_LINEAR(1);
2499 		}
2500 
2501 		r600_store_value(cb, tmp);
2502 	}
2503 
2504 	db_shader_control = 0;
2505 	for (i = 0; i < rshader->noutput; i++) {
2506 		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION)
2507 			z_export = 1;
2508 		if (rshader->output[i].name == TGSI_SEMANTIC_STENCIL)
2509 			stencil_export = 1;
2510 		if (rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK && msaa)
2511 			mask_export = 1;
2512 	}
2513 	db_shader_control |= S_02880C_Z_EXPORT_ENABLE(z_export);
2514 	db_shader_control |= S_02880C_STENCIL_REF_EXPORT_ENABLE(stencil_export);
2515 	db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
2516 	if (rshader->uses_kill)
2517 		db_shader_control |= S_02880C_KILL_ENABLE(1);
2518 
2519 	exports_ps = 0;
2520 	for (i = 0; i < rshader->noutput; i++) {
2521 		if (rshader->output[i].name == TGSI_SEMANTIC_POSITION ||
2522 		    rshader->output[i].name == TGSI_SEMANTIC_STENCIL ||
2523 		    rshader->output[i].name == TGSI_SEMANTIC_SAMPLEMASK) {
2524 			exports_ps |= 1;
2525 		}
2526 	}
2527 	num_cout = rshader->nr_ps_color_exports;
2528 	exports_ps |= S_028854_EXPORT_COLORS(num_cout);
2529 	if (!exports_ps) {
2530 		/* always at least export 1 component per pixel */
2531 		exports_ps = 2;
2532 	}
2533 
2534 	shader->nr_ps_color_outputs = num_cout;
2535 	shader->ps_color_export_mask = rshader->ps_color_export_mask;
2536 
2537 	spi_ps_in_control_0 = S_0286CC_NUM_INTERP(rshader->ninput) |
2538 				S_0286CC_PERSP_GRADIENT_ENA(1)|
2539 				S_0286CC_LINEAR_GRADIENT_ENA(need_linear);
2540 	spi_input_z = 0;
2541 	if (pos_index != -1) {
2542 		spi_ps_in_control_0 |= (S_0286CC_POSITION_ENA(1) |
2543 					S_0286CC_POSITION_CENTROID(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_CENTROID) |
2544 					S_0286CC_POSITION_ADDR(rshader->input[pos_index].gpr) |
2545 					S_0286CC_BARYC_SAMPLE_CNTL(1)) |
2546 					S_0286CC_POSITION_SAMPLE(rshader->input[pos_index].interpolate_location == TGSI_INTERPOLATE_LOC_SAMPLE);
2547 		spi_input_z |= S_0286D8_PROVIDE_Z_TO_SPI(1);
2548 	}
2549 
2550 	spi_ps_in_control_1 = 0;
2551 	if (face_index != -1) {
2552 		spi_ps_in_control_1 |= S_0286D0_FRONT_FACE_ENA(1) |
2553 			S_0286D0_FRONT_FACE_ADDR(rshader->input[face_index].gpr);
2554 	}
2555 	if (fixed_pt_position_index != -1) {
2556 		spi_ps_in_control_1 |= S_0286D0_FIXED_PT_POSITION_ENA(1) |
2557 			S_0286D0_FIXED_PT_POSITION_ADDR(rshader->input[fixed_pt_position_index].gpr);
2558 	}
2559 
2560 	/* HW bug in original R600 */
2561 	if (rctx->b.family == CHIP_R600)
2562 		ufi = 1;
2563 
2564 	r600_store_context_reg_seq(cb, R_0286CC_SPI_PS_IN_CONTROL_0, 2);
2565 	r600_store_value(cb, spi_ps_in_control_0); /* R_0286CC_SPI_PS_IN_CONTROL_0 */
2566 	r600_store_value(cb, spi_ps_in_control_1); /* R_0286D0_SPI_PS_IN_CONTROL_1 */
2567 
2568 	r600_store_context_reg(cb, R_0286D8_SPI_INPUT_Z, spi_input_z);
2569 
2570 	r600_store_context_reg_seq(cb, R_028850_SQ_PGM_RESOURCES_PS, 2);
2571 	r600_store_value(cb, /* R_028850_SQ_PGM_RESOURCES_PS*/
2572 			 S_028850_NUM_GPRS(rshader->bc.ngpr) |
2573 	/*
2574 	 * docs are misleading about the dx10_clamp bit. This only affects
2575 	 * instructions using CLAMP dst modifier, in which case they will
2576 	 * return 0 with this set for a NaN (otherwise NaN).
2577 	 */
2578 			 S_028850_DX10_CLAMP(1) |
2579 			 S_028850_STACK_SIZE(rshader->bc.nstack) |
2580 			 S_028850_UNCACHED_FIRST_INST(ufi));
2581 	r600_store_value(cb, exports_ps); /* R_028854_SQ_PGM_EXPORTS_PS */
2582 
2583 	r600_store_context_reg(cb, R_028840_SQ_PGM_START_PS, 0);
2584 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2585 
2586 	/* only set some bits here, the other bits are set in the dsa state */
2587 	shader->db_shader_control = db_shader_control;
2588 	shader->ps_depth_export = z_export | stencil_export | mask_export;
2589 
2590 	shader->sprite_coord_enable = sprite_coord_enable;
2591 	shader->flatshade = flatshade;
2592 	shader->msaa = msaa;
2593 }
2594 
r600_update_vs_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2595 void r600_update_vs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2596 {
2597 	struct r600_command_buffer *cb = &shader->command_buffer;
2598 	struct r600_shader *rshader = &shader->shader;
2599 	unsigned spi_vs_out_id[10] = {};
2600 	unsigned i, tmp, nparams = 0;
2601 
2602 	for (i = 0; i < rshader->noutput; i++) {
2603 		if (rshader->output[i].spi_sid) {
2604 			tmp = rshader->output[i].spi_sid << ((nparams & 3) * 8);
2605 			spi_vs_out_id[nparams / 4] |= tmp;
2606 			nparams++;
2607 		}
2608 	}
2609 
2610 	r600_init_command_buffer(cb, 32);
2611 
2612 	r600_store_context_reg_seq(cb, R_028614_SPI_VS_OUT_ID_0, 10);
2613 	for (i = 0; i < 10; i++) {
2614 		r600_store_value(cb, spi_vs_out_id[i]);
2615 	}
2616 
2617 	/* Certain attributes (position, psize, etc.) don't count as params.
2618 	 * VS is required to export at least one param and r600_shader_from_tgsi()
2619 	 * takes care of adding a dummy export.
2620 	 */
2621 	if (nparams < 1)
2622 		nparams = 1;
2623 
2624 	r600_store_context_reg(cb, R_0286C4_SPI_VS_OUT_CONFIG,
2625 			       S_0286C4_VS_EXPORT_COUNT(nparams - 1));
2626 	r600_store_context_reg(cb, R_028868_SQ_PGM_RESOURCES_VS,
2627 			       S_028868_NUM_GPRS(rshader->bc.ngpr) |
2628 			       S_028868_DX10_CLAMP(1) |
2629 			       S_028868_STACK_SIZE(rshader->bc.nstack));
2630 	if (rshader->vs_position_window_space) {
2631 		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2632 			S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1));
2633 	} else {
2634 		r600_store_context_reg(cb, R_028818_PA_CL_VTE_CNTL,
2635 			S_028818_VTX_W0_FMT(1) |
2636 			S_028818_VPORT_X_SCALE_ENA(1) | S_028818_VPORT_X_OFFSET_ENA(1) |
2637 			S_028818_VPORT_Y_SCALE_ENA(1) | S_028818_VPORT_Y_OFFSET_ENA(1) |
2638 			S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1));
2639 
2640 	}
2641 	r600_store_context_reg(cb, R_028858_SQ_PGM_START_VS, 0);
2642 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2643 
2644 	shader->pa_cl_vs_out_cntl =
2645 		S_02881C_VS_OUT_CCDIST0_VEC_ENA((rshader->clip_dist_write & 0x0F) != 0) |
2646 		S_02881C_VS_OUT_CCDIST1_VEC_ENA((rshader->clip_dist_write & 0xF0) != 0) |
2647 		S_02881C_VS_OUT_MISC_VEC_ENA(rshader->vs_out_misc_write) |
2648 		S_02881C_USE_VTX_POINT_SIZE(rshader->vs_out_point_size) |
2649 		S_02881C_USE_VTX_EDGE_FLAG(rshader->vs_out_edgeflag) |
2650 		S_02881C_USE_VTX_RENDER_TARGET_INDX(rshader->vs_out_layer) |
2651 		S_02881C_USE_VTX_VIEWPORT_INDX(rshader->vs_out_viewport);
2652 }
2653 
2654 #define RV610_GSVS_ALIGN 32
2655 #define R600_GSVS_ALIGN 16
2656 
r600_update_gs_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2657 void r600_update_gs_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2658 {
2659 	struct r600_context *rctx = (struct r600_context *)ctx;
2660 	struct r600_command_buffer *cb = &shader->command_buffer;
2661 	struct r600_shader *rshader = &shader->shader;
2662 	struct r600_shader *cp_shader = &shader->gs_copy_shader->shader;
2663 	unsigned gsvs_itemsize =
2664 			(cp_shader->ring_item_sizes[0] * shader->selector->gs_max_out_vertices) >> 2;
2665 
2666 	/* some r600s needs gsvs itemsize aligned to cacheline size
2667 	   this was fixed in rs780 and above. */
2668 	switch (rctx->b.family) {
2669 	case CHIP_RV610:
2670 		gsvs_itemsize = align(gsvs_itemsize, RV610_GSVS_ALIGN);
2671 		break;
2672 	case CHIP_R600:
2673 	case CHIP_RV630:
2674 	case CHIP_RV670:
2675 	case CHIP_RV620:
2676 	case CHIP_RV635:
2677 		gsvs_itemsize = align(gsvs_itemsize, R600_GSVS_ALIGN);
2678 		break;
2679 	default:
2680 		break;
2681 	}
2682 
2683 	r600_init_command_buffer(cb, 64);
2684 
2685 	/* VGT_GS_MODE is written by r600_emit_shader_stages */
2686 	r600_store_context_reg(cb, R_028AB8_VGT_VTX_CNT_EN, 1);
2687 
2688 	if (rctx->b.gfx_level >= R700) {
2689 		r600_store_context_reg(cb, R_028B38_VGT_GS_MAX_VERT_OUT,
2690 				       S_028B38_MAX_VERT_OUT(shader->selector->gs_max_out_vertices));
2691 	}
2692 	r600_store_context_reg(cb, R_028A6C_VGT_GS_OUT_PRIM_TYPE,
2693 			       r600_conv_prim_to_gs_out(shader->selector->gs_output_prim));
2694 
2695 	r600_store_context_reg(cb, R_0288C8_SQ_GS_VERT_ITEMSIZE,
2696 	                       cp_shader->ring_item_sizes[0] >> 2);
2697 
2698 	r600_store_context_reg(cb, R_0288A8_SQ_ESGS_RING_ITEMSIZE,
2699 			       (rshader->ring_item_sizes[0]) >> 2);
2700 
2701 	r600_store_context_reg(cb, R_0288AC_SQ_GSVS_RING_ITEMSIZE,
2702 			       gsvs_itemsize);
2703 
2704 	/* FIXME calculate these values somehow ??? */
2705 	r600_store_config_reg_seq(cb, R_0088C8_VGT_GS_PER_ES, 2);
2706 	r600_store_value(cb, 0x80); /* GS_PER_ES */
2707 	r600_store_value(cb, 0x100); /* ES_PER_GS */
2708 	r600_store_config_reg_seq(cb, R_0088E8_VGT_GS_PER_VS, 1);
2709 	r600_store_value(cb, 0x2); /* GS_PER_VS */
2710 
2711 	r600_store_context_reg(cb, R_02887C_SQ_PGM_RESOURCES_GS,
2712 			       S_02887C_NUM_GPRS(rshader->bc.ngpr) |
2713 			       S_02887C_DX10_CLAMP(1) |
2714 			       S_02887C_STACK_SIZE(rshader->bc.nstack));
2715 	r600_store_context_reg(cb, R_02886C_SQ_PGM_START_GS, 0);
2716 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2717 }
2718 
r600_update_es_state(struct pipe_context * ctx,struct r600_pipe_shader * shader)2719 void r600_update_es_state(struct pipe_context *ctx, struct r600_pipe_shader *shader)
2720 {
2721 	struct r600_command_buffer *cb = &shader->command_buffer;
2722 	struct r600_shader *rshader = &shader->shader;
2723 
2724 	r600_init_command_buffer(cb, 32);
2725 
2726 	r600_store_context_reg(cb, R_028890_SQ_PGM_RESOURCES_ES,
2727 			       S_028890_NUM_GPRS(rshader->bc.ngpr) |
2728 			       S_028890_DX10_CLAMP(1) |
2729 			       S_028890_STACK_SIZE(rshader->bc.nstack));
2730 	r600_store_context_reg(cb, R_028880_SQ_PGM_START_ES, 0);
2731 	/* After that, the NOP relocation packet must be emitted (shader->bo, RADEON_USAGE_READ). */
2732 }
2733 
2734 
r600_create_resolve_blend(struct r600_context * rctx)2735 void *r600_create_resolve_blend(struct r600_context *rctx)
2736 {
2737 	struct pipe_blend_state blend;
2738 	unsigned i;
2739 
2740 	memset(&blend, 0, sizeof(blend));
2741 	blend.independent_blend_enable = true;
2742 	for (i = 0; i < 2; i++) {
2743 		blend.rt[i].colormask = 0xf;
2744 		blend.rt[i].blend_enable = 1;
2745 		blend.rt[i].rgb_func = PIPE_BLEND_ADD;
2746 		blend.rt[i].alpha_func = PIPE_BLEND_ADD;
2747 		blend.rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ZERO;
2748 		blend.rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
2749 		blend.rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
2750 		blend.rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
2751 	}
2752 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2753 }
2754 
r700_create_resolve_blend(struct r600_context * rctx)2755 void *r700_create_resolve_blend(struct r600_context *rctx)
2756 {
2757 	struct pipe_blend_state blend;
2758 
2759 	memset(&blend, 0, sizeof(blend));
2760 	blend.independent_blend_enable = true;
2761 	blend.rt[0].colormask = 0xf;
2762 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_RESOLVE_BOX);
2763 }
2764 
r600_create_decompress_blend(struct r600_context * rctx)2765 void *r600_create_decompress_blend(struct r600_context *rctx)
2766 {
2767 	struct pipe_blend_state blend;
2768 
2769 	memset(&blend, 0, sizeof(blend));
2770 	blend.independent_blend_enable = true;
2771 	blend.rt[0].colormask = 0xf;
2772 	return r600_create_blend_state_mode(&rctx->b.b, &blend, V_028808_SPECIAL_EXPAND_SAMPLES);
2773 }
2774 
r600_create_db_flush_dsa(struct r600_context * rctx)2775 void *r600_create_db_flush_dsa(struct r600_context *rctx)
2776 {
2777 	struct pipe_depth_stencil_alpha_state dsa;
2778 	boolean quirk = false;
2779 
2780 	if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
2781 		rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
2782 		quirk = true;
2783 
2784 	memset(&dsa, 0, sizeof(dsa));
2785 
2786 	if (quirk) {
2787 		dsa.depth_enabled = 1;
2788 		dsa.depth_func = PIPE_FUNC_LEQUAL;
2789 		dsa.stencil[0].enabled = 1;
2790 		dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
2791 		dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
2792 		dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_INCR;
2793 		dsa.stencil[0].writemask = 0xff;
2794 	}
2795 
2796 	return rctx->b.b.create_depth_stencil_alpha_state(&rctx->b.b, &dsa);
2797 }
2798 
r600_update_db_shader_control(struct r600_context * rctx)2799 void r600_update_db_shader_control(struct r600_context * rctx)
2800 {
2801 	bool dual_export;
2802 	unsigned db_shader_control;
2803 	uint8_t ps_conservative_z;
2804 
2805 	if (!rctx->ps_shader) {
2806 		return;
2807 	}
2808 
2809 	dual_export = rctx->framebuffer.export_16bpc &&
2810 		      !rctx->ps_shader->current->ps_depth_export;
2811 
2812 	db_shader_control = rctx->ps_shader->current->db_shader_control |
2813 			    S_02880C_DUAL_EXPORT_ENABLE(dual_export);
2814 
2815 	ps_conservative_z = rctx->ps_shader->current->shader.ps_conservative_z;
2816 
2817 	/* When alpha test is enabled we can't trust the hw to make the proper
2818 	 * decision on the order in which ztest should be run related to fragment
2819 	 * shader execution.
2820 	 *
2821 	 * If alpha test is enabled perform z test after fragment. RE_Z (early
2822 	 * z test but no write to the zbuffer) seems to cause lockup on r6xx/r7xx
2823 	 */
2824 	if (rctx->alphatest_state.sx_alpha_test_control) {
2825 		db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z);
2826 	} else {
2827 		db_shader_control |= S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
2828 	}
2829 
2830 	if (db_shader_control != rctx->db_misc_state.db_shader_control ||
2831 		ps_conservative_z != rctx->db_misc_state.ps_conservative_z) {
2832 		rctx->db_misc_state.db_shader_control = db_shader_control;
2833 		rctx->db_misc_state.ps_conservative_z = ps_conservative_z;
2834 		r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
2835 	}
2836 }
2837 
r600_array_mode(unsigned mode)2838 static inline unsigned r600_array_mode(unsigned mode)
2839 {
2840 	switch (mode) {
2841 	default:
2842 	case RADEON_SURF_MODE_LINEAR_ALIGNED:	return V_0280A0_ARRAY_LINEAR_ALIGNED;
2843 		break;
2844 	case RADEON_SURF_MODE_1D:		return V_0280A0_ARRAY_1D_TILED_THIN1;
2845 		break;
2846 	case RADEON_SURF_MODE_2D:		return V_0280A0_ARRAY_2D_TILED_THIN1;
2847 	}
2848 }
2849 
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)2850 static boolean r600_dma_copy_tile(struct r600_context *rctx,
2851 				struct pipe_resource *dst,
2852 				unsigned dst_level,
2853 				unsigned dst_x,
2854 				unsigned dst_y,
2855 				unsigned dst_z,
2856 				struct pipe_resource *src,
2857 				unsigned src_level,
2858 				unsigned src_x,
2859 				unsigned src_y,
2860 				unsigned src_z,
2861 				unsigned copy_height,
2862 				unsigned pitch,
2863 				unsigned bpp)
2864 {
2865 	struct radeon_cmdbuf *cs = &rctx->b.dma.cs;
2866 	struct r600_texture *rsrc = (struct r600_texture*)src;
2867 	struct r600_texture *rdst = (struct r600_texture*)dst;
2868 	unsigned array_mode, lbpp, pitch_tile_max, slice_tile_max, size;
2869 	unsigned ncopy, height, cheight, detile, i, x, y, z, src_mode, dst_mode;
2870 	uint64_t base, addr;
2871 
2872 	dst_mode = rdst->surface.u.legacy.level[dst_level].mode;
2873 	src_mode = rsrc->surface.u.legacy.level[src_level].mode;
2874 	assert(dst_mode != src_mode);
2875 
2876 	y = 0;
2877 	lbpp = util_logbase2(bpp);
2878 	pitch_tile_max = ((pitch / bpp) / 8) - 1;
2879 
2880 	if (dst_mode == RADEON_SURF_MODE_LINEAR_ALIGNED) {
2881 		/* T2L */
2882 		array_mode = r600_array_mode(src_mode);
2883 		slice_tile_max = (rsrc->surface.u.legacy.level[src_level].nblk_x * rsrc->surface.u.legacy.level[src_level].nblk_y) / (8*8);
2884 		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2885 		/* linear height must be the same as the slice tile max height, it's ok even
2886 		 * if the linear destination/source have smaller heigh as the size of the
2887 		 * dma packet will be using the copy_height which is always smaller or equal
2888 		 * to the linear height
2889 		 */
2890 		height = u_minify(rsrc->resource.b.b.height0, src_level);
2891 		detile = 1;
2892 		x = src_x;
2893 		y = src_y;
2894 		z = src_z;
2895 		base = (uint64_t)rsrc->surface.u.legacy.level[src_level].offset_256B * 256;
2896 		addr = (uint64_t)rdst->surface.u.legacy.level[dst_level].offset_256B * 256;
2897 		addr += (uint64_t)rdst->surface.u.legacy.level[dst_level].slice_size_dw * 4 * dst_z;
2898 		addr += dst_y * pitch + dst_x * bpp;
2899 	} else {
2900 		/* L2T */
2901 		array_mode = r600_array_mode(dst_mode);
2902 		slice_tile_max = (rdst->surface.u.legacy.level[dst_level].nblk_x * rdst->surface.u.legacy.level[dst_level].nblk_y) / (8*8);
2903 		slice_tile_max = slice_tile_max ? slice_tile_max - 1 : 0;
2904 		/* linear height must be the same as the slice tile max height, it's ok even
2905 		 * if the linear destination/source have smaller heigh as the size of the
2906 		 * dma packet will be using the copy_height which is always smaller or equal
2907 		 * to the linear height
2908 		 */
2909 		height = u_minify(rdst->resource.b.b.height0, dst_level);
2910 		detile = 0;
2911 		x = dst_x;
2912 		y = dst_y;
2913 		z = dst_z;
2914 		base = (uint64_t)rdst->surface.u.legacy.level[dst_level].offset_256B * 256;
2915 		addr = (uint64_t)rsrc->surface.u.legacy.level[src_level].offset_256B * 256;
2916 		addr += (uint64_t)rsrc->surface.u.legacy.level[src_level].slice_size_dw * 4 * src_z;
2917 		addr += src_y * pitch + src_x * bpp;
2918 	}
2919 	/* check that we are in dw/base alignment constraint */
2920 	if (addr % 4 || base % 256) {
2921 		return FALSE;
2922 	}
2923 
2924 	/* It's a r6xx/r7xx limitation, the blit must be on 8 boundary for number
2925 	 * line in the blit. Compute max 8 line we can copy in the size limit
2926 	 */
2927 	cheight = ((R600_DMA_COPY_MAX_SIZE_DW * 4) / pitch) & 0xfffffff8;
2928 	ncopy = (copy_height / cheight) + !!(copy_height % cheight);
2929 	r600_need_dma_space(&rctx->b, ncopy * 7, &rdst->resource, &rsrc->resource);
2930 
2931 	for (i = 0; i < ncopy; i++) {
2932 		cheight = cheight > copy_height ? copy_height : cheight;
2933 		size = (cheight * pitch) / 4;
2934 		/* emit reloc before writing cs so that cs is always in consistent state */
2935 		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rsrc->resource, RADEON_USAGE_READ);
2936 		radeon_add_to_buffer_list(&rctx->b, &rctx->b.dma, &rdst->resource, RADEON_USAGE_WRITE);
2937 		radeon_emit(cs, DMA_PACKET(DMA_PACKET_COPY, 1, 0, size));
2938 		radeon_emit(cs, base >> 8);
2939 		radeon_emit(cs, (detile << 31) | (array_mode << 27) |
2940 				(lbpp << 24) | ((height - 1) << 10) |
2941 				pitch_tile_max);
2942 		radeon_emit(cs, (slice_tile_max << 12) | (z << 0));
2943 		radeon_emit(cs, (x << 3) | (y << 17));
2944 		radeon_emit(cs, addr & 0xfffffffc);
2945 		radeon_emit(cs, (addr >> 32UL) & 0xff);
2946 		copy_height -= cheight;
2947 		addr += cheight * pitch;
2948 		y += cheight;
2949 	}
2950 	return TRUE;
2951 }
2952 
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)2953 static void r600_dma_copy(struct pipe_context *ctx,
2954 			  struct pipe_resource *dst,
2955 			  unsigned dst_level,
2956 			  unsigned dstx, unsigned dsty, unsigned dstz,
2957 			  struct pipe_resource *src,
2958 			  unsigned src_level,
2959 			  const struct pipe_box *src_box)
2960 {
2961 	struct r600_context *rctx = (struct r600_context *)ctx;
2962 	struct r600_texture *rsrc = (struct r600_texture*)src;
2963 	struct r600_texture *rdst = (struct r600_texture*)dst;
2964 	unsigned dst_pitch, src_pitch, bpp, dst_mode, src_mode, copy_height;
2965 	unsigned src_w, dst_w;
2966 	unsigned src_x, src_y;
2967 	unsigned dst_x = dstx, dst_y = dsty, dst_z = dstz;
2968 
2969 	if (rctx->b.dma.cs.priv == NULL) {
2970 		goto fallback;
2971 	}
2972 
2973 	if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
2974 		if (dst_x % 4 || src_box->x % 4 || src_box->width % 4)
2975 			goto fallback;
2976 
2977 		r600_dma_copy_buffer(rctx, dst, src, dst_x, src_box->x, src_box->width);
2978 		return;
2979 	}
2980 
2981 	if (src_box->depth > 1 ||
2982 	    !r600_prepare_for_dma_blit(&rctx->b, rdst, dst_level, dstx, dsty,
2983 					dstz, rsrc, src_level, src_box))
2984 		goto fallback;
2985 
2986 	src_x = util_format_get_nblocksx(src->format, src_box->x);
2987 	dst_x = util_format_get_nblocksx(src->format, dst_x);
2988 	src_y = util_format_get_nblocksy(src->format, src_box->y);
2989 	dst_y = util_format_get_nblocksy(src->format, dst_y);
2990 
2991 	bpp = rdst->surface.bpe;
2992 	dst_pitch = rdst->surface.u.legacy.level[dst_level].nblk_x * rdst->surface.bpe;
2993 	src_pitch = rsrc->surface.u.legacy.level[src_level].nblk_x * rsrc->surface.bpe;
2994 	src_w = u_minify(rsrc->resource.b.b.width0, src_level);
2995 	dst_w = u_minify(rdst->resource.b.b.width0, dst_level);
2996 	copy_height = src_box->height / rsrc->surface.blk_h;
2997 
2998 	dst_mode = rdst->surface.u.legacy.level[dst_level].mode;
2999 	src_mode = rsrc->surface.u.legacy.level[src_level].mode;
3000 
3001 	if (src_pitch != dst_pitch || src_box->x || dst_x || src_w != dst_w) {
3002 		/* strict requirement on r6xx/r7xx */
3003 		goto fallback;
3004 	}
3005 	/* lot of constraint on alignment this should capture them all */
3006 	if (src_pitch % 8 || src_box->y % 8 || dst_y % 8) {
3007 		goto fallback;
3008 	}
3009 
3010 	if (src_mode == dst_mode) {
3011 		uint64_t dst_offset, src_offset, size;
3012 
3013 		/* simple dma blit would do NOTE code here assume :
3014 		 *   src_box.x/y == 0
3015 		 *   dst_x/y == 0
3016 		 *   dst_pitch == src_pitch
3017 		 */
3018 		src_offset= (uint64_t)rsrc->surface.u.legacy.level[src_level].offset_256B * 256;
3019 		src_offset += (uint64_t)rsrc->surface.u.legacy.level[src_level].slice_size_dw * 4 * src_box->z;
3020 		src_offset += src_y * src_pitch + src_x * bpp;
3021 		dst_offset = (uint64_t)rdst->surface.u.legacy.level[dst_level].offset_256B * 256;
3022 		dst_offset += (uint64_t)rdst->surface.u.legacy.level[dst_level].slice_size_dw * 4 * dst_z;
3023 		dst_offset += dst_y * dst_pitch + dst_x * bpp;
3024 		size = src_box->height * src_pitch;
3025 		/* must be dw aligned */
3026 		if (dst_offset % 4 || src_offset % 4 || size % 4) {
3027 			goto fallback;
3028 		}
3029 		r600_dma_copy_buffer(rctx, dst, src, dst_offset, src_offset, size);
3030 	} else {
3031 		if (!r600_dma_copy_tile(rctx, dst, dst_level, dst_x, dst_y, dst_z,
3032 					src, src_level, src_x, src_y, src_box->z,
3033 					copy_height, dst_pitch, bpp)) {
3034 			goto fallback;
3035 		}
3036 	}
3037 	return;
3038 
3039 fallback:
3040 	r600_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
3041 				  src, src_level, src_box);
3042 }
3043 
r600_init_state_functions(struct r600_context * rctx)3044 void r600_init_state_functions(struct r600_context *rctx)
3045 {
3046 	unsigned id = 1;
3047 	unsigned i;
3048 	/* !!!
3049 	 *  To avoid GPU lockup registers must be emited in a specific order
3050 	 * (no kidding ...). The order below is important and have been
3051 	 * partialy infered from analyzing fglrx command stream.
3052 	 *
3053 	 * Don't reorder atom without carefully checking the effect (GPU lockup
3054 	 * or piglit regression).
3055 	 * !!!
3056 	 */
3057 
3058 	r600_init_atom(rctx, &rctx->framebuffer.atom, id++, r600_emit_framebuffer_state, 0);
3059 
3060 	/* shader const */
3061 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_VERTEX].atom, id++, r600_emit_vs_constant_buffers, 0);
3062 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_GEOMETRY].atom, id++, r600_emit_gs_constant_buffers, 0);
3063 	r600_init_atom(rctx, &rctx->constbuf_state[PIPE_SHADER_FRAGMENT].atom, id++, r600_emit_ps_constant_buffers, 0);
3064 
3065 	/* sampler must be emited before TA_CNTL_AUX otherwise DISABLE_CUBE_WRAP change
3066 	 * does not take effect (TA_CNTL_AUX emited by r600_emit_seamless_cube_map)
3067 	 */
3068 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].states.atom, id++, r600_emit_vs_sampler_states, 0);
3069 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].states.atom, id++, r600_emit_gs_sampler_states, 0);
3070 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].states.atom, id++, r600_emit_ps_sampler_states, 0);
3071 	/* resource */
3072 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_VERTEX].views.atom, id++, r600_emit_vs_sampler_views, 0);
3073 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_GEOMETRY].views.atom, id++, r600_emit_gs_sampler_views, 0);
3074 	r600_init_atom(rctx, &rctx->samplers[PIPE_SHADER_FRAGMENT].views.atom, id++, r600_emit_ps_sampler_views, 0);
3075 	r600_init_atom(rctx, &rctx->vertex_buffer_state.atom, id++, r600_emit_vertex_buffers, 0);
3076 
3077 	r600_init_atom(rctx, &rctx->vgt_state.atom, id++, r600_emit_vgt_state, 10);
3078 
3079 	r600_init_atom(rctx, &rctx->seamless_cube_map.atom, id++, r600_emit_seamless_cube_map, 3);
3080 	r600_init_atom(rctx, &rctx->sample_mask.atom, id++, r600_emit_sample_mask, 3);
3081 	rctx->sample_mask.sample_mask = ~0;
3082 
3083 	r600_init_atom(rctx, &rctx->alphatest_state.atom, id++, r600_emit_alphatest_state, 6);
3084 	r600_init_atom(rctx, &rctx->blend_color.atom, id++, r600_emit_blend_color, 6);
3085 	r600_init_atom(rctx, &rctx->blend_state.atom, id++, r600_emit_cso_state, 0);
3086 	r600_init_atom(rctx, &rctx->cb_misc_state.atom, id++, r600_emit_cb_misc_state, 7);
3087 	r600_init_atom(rctx, &rctx->clip_misc_state.atom, id++, r600_emit_clip_misc_state, 6);
3088 	r600_init_atom(rctx, &rctx->clip_state.atom, id++, r600_emit_clip_state, 26);
3089 	r600_init_atom(rctx, &rctx->db_misc_state.atom, id++, r600_emit_db_misc_state, 7);
3090 	r600_init_atom(rctx, &rctx->db_state.atom, id++, r600_emit_db_state, 11);
3091 	r600_init_atom(rctx, &rctx->dsa_state.atom, id++, r600_emit_cso_state, 0);
3092 	r600_init_atom(rctx, &rctx->poly_offset_state.atom, id++, r600_emit_polygon_offset, 9);
3093 	r600_init_atom(rctx, &rctx->rasterizer_state.atom, id++, r600_emit_cso_state, 0);
3094 	r600_add_atom(rctx, &rctx->b.scissors.atom, id++);
3095 	r600_add_atom(rctx, &rctx->b.viewports.atom, id++);
3096 	r600_init_atom(rctx, &rctx->config_state.atom, id++, r600_emit_config_state, 3);
3097 	r600_init_atom(rctx, &rctx->stencil_ref.atom, id++, r600_emit_stencil_ref, 4);
3098 	r600_init_atom(rctx, &rctx->vertex_fetch_shader.atom, id++, r600_emit_vertex_fetch_shader, 5);
3099 	r600_add_atom(rctx, &rctx->b.render_cond_atom, id++);
3100 	r600_add_atom(rctx, &rctx->b.streamout.begin_atom, id++);
3101 	r600_add_atom(rctx, &rctx->b.streamout.enable_atom, id++);
3102 	for (i = 0; i < R600_NUM_HW_STAGES; i++)
3103 		r600_init_atom(rctx, &rctx->hw_shader_stages[i].atom, id++, r600_emit_shader, 0);
3104 	r600_init_atom(rctx, &rctx->shader_stages.atom, id++, r600_emit_shader_stages, 0);
3105 	r600_init_atom(rctx, &rctx->gs_rings.atom, id++, r600_emit_gs_rings, 0);
3106 
3107 	rctx->b.b.create_blend_state = r600_create_blend_state;
3108 	rctx->b.b.create_depth_stencil_alpha_state = r600_create_dsa_state;
3109 	rctx->b.b.create_rasterizer_state = r600_create_rs_state;
3110 	rctx->b.b.create_sampler_state = r600_create_sampler_state;
3111 	rctx->b.b.create_sampler_view = r600_create_sampler_view;
3112 	rctx->b.b.set_framebuffer_state = r600_set_framebuffer_state;
3113 	rctx->b.b.set_polygon_stipple = r600_set_polygon_stipple;
3114 	rctx->b.b.set_min_samples = r600_set_min_samples;
3115 	rctx->b.b.get_sample_position = r600_get_sample_position;
3116 	rctx->b.dma_copy = r600_dma_copy;
3117 }
3118 /* this function must be last */
3119