• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2 
3 /*
4  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  * Authors:
26  *    Rob Clark <robclark@freedesktop.org>
27  */
28 
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_math.h"
32 #include "util/u_memory.h"
33 #include "util/u_inlines.h"
34 #include "util/u_format.h"
35 
36 #include "freedreno_program.h"
37 
38 #include "fd3_program.h"
39 #include "fd3_emit.h"
40 #include "fd3_texture.h"
41 #include "fd3_format.h"
42 
43 static void
delete_shader_stateobj(struct fd3_shader_stateobj * so)44 delete_shader_stateobj(struct fd3_shader_stateobj *so)
45 {
46 	ir3_shader_destroy(so->shader);
47 	free(so);
48 }
49 
50 static struct fd3_shader_stateobj *
create_shader_stateobj(struct pipe_context * pctx,const struct pipe_shader_state * cso,enum shader_t type)51 create_shader_stateobj(struct pipe_context *pctx, const struct pipe_shader_state *cso,
52 		enum shader_t type)
53 {
54 	struct fd_context *ctx = fd_context(pctx);
55 	struct ir3_compiler *compiler = ctx->screen->compiler;
56 	struct fd3_shader_stateobj *so = CALLOC_STRUCT(fd3_shader_stateobj);
57 	so->shader = ir3_shader_create(compiler, cso, type, &ctx->debug);
58 	return so;
59 }
60 
61 static void *
fd3_fp_state_create(struct pipe_context * pctx,const struct pipe_shader_state * cso)62 fd3_fp_state_create(struct pipe_context *pctx,
63 		const struct pipe_shader_state *cso)
64 {
65 	return create_shader_stateobj(pctx, cso, SHADER_FRAGMENT);
66 }
67 
68 static void
fd3_fp_state_delete(struct pipe_context * pctx,void * hwcso)69 fd3_fp_state_delete(struct pipe_context *pctx, void *hwcso)
70 {
71 	struct fd3_shader_stateobj *so = hwcso;
72 	delete_shader_stateobj(so);
73 }
74 
75 static void *
fd3_vp_state_create(struct pipe_context * pctx,const struct pipe_shader_state * cso)76 fd3_vp_state_create(struct pipe_context *pctx,
77 		const struct pipe_shader_state *cso)
78 {
79 	return create_shader_stateobj(pctx, cso, SHADER_VERTEX);
80 }
81 
82 static void
fd3_vp_state_delete(struct pipe_context * pctx,void * hwcso)83 fd3_vp_state_delete(struct pipe_context *pctx, void *hwcso)
84 {
85 	struct fd3_shader_stateobj *so = hwcso;
86 	delete_shader_stateobj(so);
87 }
88 
89 bool
fd3_needs_manual_clipping(const struct fd3_shader_stateobj * so,const struct pipe_rasterizer_state * rast)90 fd3_needs_manual_clipping(const struct fd3_shader_stateobj *so,
91 						  const struct pipe_rasterizer_state *rast)
92 {
93 	uint64_t outputs = ir3_shader_outputs(so->shader);
94 
95 	return (!rast->depth_clip ||
96 			util_bitcount(rast->clip_plane_enable) > 6 ||
97 			outputs & ((1ULL << VARYING_SLOT_CLIP_VERTEX) |
98 					   (1ULL << VARYING_SLOT_CLIP_DIST0) |
99 					   (1ULL << VARYING_SLOT_CLIP_DIST1)));
100 }
101 
102 
103 static void
emit_shader(struct fd_ringbuffer * ring,const struct ir3_shader_variant * so)104 emit_shader(struct fd_ringbuffer *ring, const struct ir3_shader_variant *so)
105 {
106 	const struct ir3_info *si = &so->info;
107 	enum adreno_state_block sb;
108 	enum adreno_state_src src;
109 	uint32_t i, sz, *bin;
110 
111 	if (so->type == SHADER_VERTEX) {
112 		sb = SB_VERT_SHADER;
113 	} else {
114 		sb = SB_FRAG_SHADER;
115 	}
116 
117 	if (fd_mesa_debug & FD_DBG_DIRECT) {
118 		sz = si->sizedwords;
119 		src = SS_DIRECT;
120 		bin = fd_bo_map(so->bo);
121 	} else {
122 		sz = 0;
123 		src = SS_INDIRECT;
124 		bin = NULL;
125 	}
126 
127 	OUT_PKT3(ring, CP_LOAD_STATE, 2 + sz);
128 	OUT_RING(ring, CP_LOAD_STATE_0_DST_OFF(0) |
129 			CP_LOAD_STATE_0_STATE_SRC(src) |
130 			CP_LOAD_STATE_0_STATE_BLOCK(sb) |
131 			CP_LOAD_STATE_0_NUM_UNIT(so->instrlen));
132 	if (bin) {
133 		OUT_RING(ring, CP_LOAD_STATE_1_EXT_SRC_ADDR(0) |
134 				CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER));
135 	} else {
136 		OUT_RELOC(ring, so->bo, 0,
137 				CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER), 0);
138 	}
139 	for (i = 0; i < sz; i++) {
140 		OUT_RING(ring, bin[i]);
141 	}
142 }
143 
144 void
fd3_program_emit(struct fd_ringbuffer * ring,struct fd3_emit * emit,int nr,struct pipe_surface ** bufs)145 fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
146 				 int nr, struct pipe_surface **bufs)
147 {
148 	const struct ir3_shader_variant *vp, *fp;
149 	const struct ir3_info *vsi, *fsi;
150 	enum a3xx_instrbuffermode fpbuffer, vpbuffer;
151 	uint32_t fpbuffersz, vpbuffersz, fsoff;
152 	uint32_t pos_regid, posz_regid, psize_regid, color_regid[4] = {0};
153 	int constmode;
154 	int i, j;
155 
156 	debug_assert(nr <= ARRAY_SIZE(color_regid));
157 
158 	vp = fd3_emit_get_vp(emit);
159 	fp = fd3_emit_get_fp(emit);
160 
161 	vsi = &vp->info;
162 	fsi = &fp->info;
163 
164 	fpbuffer = BUFFER;
165 	vpbuffer = BUFFER;
166 	fpbuffersz = fp->instrlen;
167 	vpbuffersz = vp->instrlen;
168 
169 	/*
170 	 * Decide whether to use BUFFER or CACHE mode for VS and FS.  It
171 	 * appears like 256 is the hard limit, but when the combined size
172 	 * exceeds 128 then blob will try to keep FS in BUFFER mode and
173 	 * switch to CACHE for VS until VS is too large.  The blob seems
174 	 * to switch FS out of BUFFER mode at slightly under 128.  But
175 	 * a bit fuzzy on the decision tree, so use slightly conservative
176 	 * limits.
177 	 *
178 	 * TODO check if these thresholds for BUFFER vs CACHE mode are the
179 	 *      same for all a3xx or whether we need to consider the gpuid
180 	 */
181 
182 	if ((fpbuffersz + vpbuffersz) > 128) {
183 		if (fpbuffersz < 112) {
184 			/* FP:BUFFER   VP:CACHE  */
185 			vpbuffer = CACHE;
186 			vpbuffersz = 256 - fpbuffersz;
187 		} else if (vpbuffersz < 112) {
188 			/* FP:CACHE    VP:BUFFER */
189 			fpbuffer = CACHE;
190 			fpbuffersz = 256 - vpbuffersz;
191 		} else {
192 			/* FP:CACHE    VP:CACHE  */
193 			vpbuffer = fpbuffer = CACHE;
194 			vpbuffersz = fpbuffersz = 192;
195 		}
196 	}
197 
198 	if (fpbuffer == BUFFER) {
199 		fsoff = 128 - fpbuffersz;
200 	} else {
201 		fsoff = 256 - fpbuffersz;
202 	}
203 
204 	/* seems like vs->constlen + fs->constlen > 256, then CONSTMODE=1 */
205 	constmode = ((vp->constlen + fp->constlen) > 256) ? 1 : 0;
206 
207 	pos_regid = ir3_find_output_regid(vp, VARYING_SLOT_POS);
208 	posz_regid = ir3_find_output_regid(fp, FRAG_RESULT_DEPTH);
209 	psize_regid = ir3_find_output_regid(vp, VARYING_SLOT_PSIZ);
210 	if (fp->color0_mrt) {
211 		color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
212 			ir3_find_output_regid(fp, FRAG_RESULT_COLOR);
213 	} else {
214 		color_regid[0] = ir3_find_output_regid(fp, FRAG_RESULT_DATA0);
215 		color_regid[1] = ir3_find_output_regid(fp, FRAG_RESULT_DATA1);
216 		color_regid[2] = ir3_find_output_regid(fp, FRAG_RESULT_DATA2);
217 		color_regid[3] = ir3_find_output_regid(fp, FRAG_RESULT_DATA3);
218 	}
219 
220 	/* adjust regids for alpha output formats. there is no alpha render
221 	 * format, so it's just treated like red
222 	 */
223 	for (i = 0; i < nr; i++)
224 		if (util_format_is_alpha(pipe_surface_format(bufs[i])))
225 			color_regid[i] += 3;
226 
227 	/* we could probably divide this up into things that need to be
228 	 * emitted if frag-prog is dirty vs if vert-prog is dirty..
229 	 */
230 
231 	OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 6);
232 	OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
233 			A3XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) |
234 			/* NOTE:  I guess SHADERRESTART and CONSTFULLUPDATE maybe
235 			 * flush some caches? I think we only need to set those
236 			 * bits if we have updated const or shader..
237 			 */
238 			A3XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART |
239 			A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
240 	OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
241 			A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
242 			COND(fp->frag_coord, A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDXYREGID(regid(0,0)) |
243 					A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDZWREGID(regid(0,2))));
244 	OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
245 	OUT_RING(ring, A3XX_HLSQ_CONTROL_3_REG_REGID(fp->pos_regid));
246 	OUT_RING(ring, A3XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(vp->constlen) |
247 			A3XX_HLSQ_VS_CONTROL_REG_CONSTSTARTOFFSET(0) |
248 			A3XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(vpbuffersz));
249 	OUT_RING(ring, A3XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(fp->constlen) |
250 			A3XX_HLSQ_FS_CONTROL_REG_CONSTSTARTOFFSET(128) |
251 			A3XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(fpbuffersz));
252 
253 	OUT_PKT0(ring, REG_A3XX_SP_SP_CTRL_REG, 1);
254 	OUT_RING(ring, A3XX_SP_SP_CTRL_REG_CONSTMODE(constmode) |
255 			COND(emit->key.binning_pass, A3XX_SP_SP_CTRL_REG_BINNING) |
256 			A3XX_SP_SP_CTRL_REG_SLEEPMODE(1) |
257 			A3XX_SP_SP_CTRL_REG_L0MODE(0));
258 
259 	OUT_PKT0(ring, REG_A3XX_SP_VS_LENGTH_REG, 1);
260 	OUT_RING(ring, A3XX_SP_VS_LENGTH_REG_SHADERLENGTH(vp->instrlen));
261 
262 	OUT_PKT0(ring, REG_A3XX_SP_VS_CTRL_REG0, 3);
263 	OUT_RING(ring, A3XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) |
264 			A3XX_SP_VS_CTRL_REG0_INSTRBUFFERMODE(vpbuffer) |
265 			COND(vpbuffer == CACHE, A3XX_SP_VS_CTRL_REG0_CACHEINVALID) |
266 			A3XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(vsi->max_half_reg + 1) |
267 			A3XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(vsi->max_reg + 1) |
268 			A3XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
269 			A3XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
270 			A3XX_SP_VS_CTRL_REG0_LENGTH(vpbuffersz));
271 	OUT_RING(ring, A3XX_SP_VS_CTRL_REG1_CONSTLENGTH(vp->constlen) |
272 			A3XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(vp->total_in) |
273 			A3XX_SP_VS_CTRL_REG1_CONSTFOOTPRINT(MAX2(vp->constlen + 1, 0)));
274 	OUT_RING(ring, A3XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
275 			A3XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
276 			A3XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(fp->varying_in));
277 
278 	struct ir3_shader_linkage l = {0};
279 	ir3_link_shaders(&l, vp, fp);
280 
281 	for (i = 0, j = 0; (i < 16) && (j < l.cnt); i++) {
282 		uint32_t reg = 0;
283 
284 		OUT_PKT0(ring, REG_A3XX_SP_VS_OUT_REG(i), 1);
285 
286 		reg |= A3XX_SP_VS_OUT_REG_A_REGID(l.var[j].regid);
287 		reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(l.var[j].compmask);
288 		j++;
289 
290 		reg |= A3XX_SP_VS_OUT_REG_B_REGID(l.var[j].regid);
291 		reg |= A3XX_SP_VS_OUT_REG_B_COMPMASK(l.var[j].compmask);
292 		j++;
293 
294 		OUT_RING(ring, reg);
295 	}
296 
297 	for (i = 0, j = 0; (i < 8) && (j < l.cnt); i++) {
298 		uint32_t reg = 0;
299 
300 		OUT_PKT0(ring, REG_A3XX_SP_VS_VPC_DST_REG(i), 1);
301 
302 		reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(l.var[j++].loc + 8);
303 		reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(l.var[j++].loc + 8);
304 		reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(l.var[j++].loc + 8);
305 		reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(l.var[j++].loc + 8);
306 
307 		OUT_RING(ring, reg);
308 	}
309 
310 	OUT_PKT0(ring, REG_A3XX_SP_VS_OBJ_OFFSET_REG, 2);
311 	OUT_RING(ring, A3XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(0) |
312 			A3XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
313 	OUT_RELOC(ring, vp->bo, 0, 0, 0);  /* SP_VS_OBJ_START_REG */
314 
315 	if (emit->key.binning_pass) {
316 		OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
317 		OUT_RING(ring, 0x00000000);
318 
319 		OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
320 		OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
321 				A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(BUFFER));
322 		OUT_RING(ring, 0x00000000);
323 
324 		OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 1);
325 		OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(128) |
326 				A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
327 	} else {
328 		OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
329 		OUT_RING(ring, A3XX_SP_FS_LENGTH_REG_SHADERLENGTH(fp->instrlen));
330 
331 		OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
332 		OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
333 				A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(fpbuffer) |
334 				COND(fpbuffer == CACHE, A3XX_SP_FS_CTRL_REG0_CACHEINVALID) |
335 				A3XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(fsi->max_half_reg + 1) |
336 				A3XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(fsi->max_reg + 1) |
337 				A3XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP |
338 				A3XX_SP_FS_CTRL_REG0_THREADSIZE(FOUR_QUADS) |
339 				A3XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
340 				COND(fp->has_samp > 0, A3XX_SP_FS_CTRL_REG0_PIXLODENABLE) |
341 				A3XX_SP_FS_CTRL_REG0_LENGTH(fpbuffersz));
342 		OUT_RING(ring, A3XX_SP_FS_CTRL_REG1_CONSTLENGTH(fp->constlen) |
343 				A3XX_SP_FS_CTRL_REG1_INITIALOUTSTANDING(fp->total_in) |
344 				A3XX_SP_FS_CTRL_REG1_CONSTFOOTPRINT(MAX2(fp->constlen + 1, 0)) |
345 				A3XX_SP_FS_CTRL_REG1_HALFPRECVAROFFSET(63));
346 
347 		OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 2);
348 		OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(
349 					MAX2(128, vp->constlen)) |
350 				A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(fsoff));
351 		OUT_RELOC(ring, fp->bo, 0, 0, 0);  /* SP_FS_OBJ_START_REG */
352 	}
353 
354 	OUT_PKT0(ring, REG_A3XX_SP_FS_OUTPUT_REG, 1);
355 	OUT_RING(ring,
356 			 COND(fp->writes_pos, A3XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE) |
357 			 A3XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid) |
358 			 A3XX_SP_FS_OUTPUT_REG_MRT(MAX2(1, nr) - 1));
359 
360 	OUT_PKT0(ring, REG_A3XX_SP_FS_MRT_REG(0), 4);
361 	for (i = 0; i < 4; i++) {
362 		uint32_t mrt_reg = A3XX_SP_FS_MRT_REG_REGID(color_regid[i]) |
363 			COND(fp->key.half_precision, A3XX_SP_FS_MRT_REG_HALF_PRECISION);
364 
365 		if (i < nr) {
366 			enum pipe_format fmt = pipe_surface_format(bufs[i]);
367 			mrt_reg |= COND(util_format_is_pure_uint(fmt), A3XX_SP_FS_MRT_REG_UINT) |
368 				COND(util_format_is_pure_sint(fmt), A3XX_SP_FS_MRT_REG_SINT);
369 		}
370 		OUT_RING(ring, mrt_reg);
371 	}
372 
373 	if (emit->key.binning_pass) {
374 		OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);
375 		OUT_RING(ring, A3XX_VPC_ATTR_THRDASSIGN(1) |
376 				A3XX_VPC_ATTR_LMSIZE(1) |
377 				COND(vp->writes_psize, A3XX_VPC_ATTR_PSIZE));
378 		OUT_RING(ring, 0x00000000);
379 	} else {
380 		uint32_t vinterp[4], flatshade[2], vpsrepl[4];
381 
382 		memset(vinterp, 0, sizeof(vinterp));
383 		memset(flatshade, 0, sizeof(flatshade));
384 		memset(vpsrepl, 0, sizeof(vpsrepl));
385 
386 		/* figure out VARYING_INTERP / FLAT_SHAD register values: */
387 		for (j = -1; (j = ir3_next_varying(fp, j)) < (int)fp->inputs_count; ) {
388 			/* NOTE: varyings are packed, so if compmask is 0xb
389 			 * then first, third, and fourth component occupy
390 			 * three consecutive varying slots:
391 			 */
392 			unsigned compmask = fp->inputs[j].compmask;
393 
394 			uint32_t inloc = fp->inputs[j].inloc;
395 
396 			if ((fp->inputs[j].interpolate == INTERP_MODE_FLAT) ||
397 					(fp->inputs[j].rasterflat && emit->rasterflat)) {
398 				uint32_t loc = inloc;
399 
400 				for (i = 0; i < 4; i++) {
401 					if (compmask & (1 << i)) {
402 						vinterp[loc / 16] |= FLAT << ((loc % 16) * 2);
403 						flatshade[loc / 32] |= 1 << (loc % 32);
404 						loc++;
405 					}
406 				}
407 			}
408 
409 			gl_varying_slot slot = fp->inputs[j].slot;
410 
411 			/* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */
412 			if (slot >= VARYING_SLOT_VAR0) {
413 				unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0);
414 				/* Replace the .xy coordinates with S/T from the point sprite. Set
415 				 * interpolation bits for .zw such that they become .01
416 				 */
417 				if (emit->sprite_coord_enable & texmask) {
418 					/* mask is two 2-bit fields, where:
419 					 *   '01' -> S
420 					 *   '10' -> T
421 					 *   '11' -> 1 - T  (flip mode)
422 					 */
423 					unsigned mask = emit->sprite_coord_mode ? 0b1101 : 0b1001;
424 					uint32_t loc = inloc;
425 					if (compmask & 0x1) {
426 						vpsrepl[loc / 16] |= ((mask >> 0) & 0x3) << ((loc % 16) * 2);
427 						loc++;
428 					}
429 					if (compmask & 0x2) {
430 						vpsrepl[loc / 16] |= ((mask >> 2) & 0x3) << ((loc % 16) * 2);
431 						loc++;
432 					}
433 					if (compmask & 0x4) {
434 						/* .z <- 0.0f */
435 						vinterp[loc / 16] |= 0b10 << ((loc % 16) * 2);
436 						loc++;
437 					}
438 					if (compmask & 0x8) {
439 						/* .w <- 1.0f */
440 						vinterp[loc / 16] |= 0b11 << ((loc % 16) * 2);
441 						loc++;
442 					}
443 				}
444 			}
445 		}
446 
447 		OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);
448 		OUT_RING(ring, A3XX_VPC_ATTR_TOTALATTR(fp->total_in) |
449 				A3XX_VPC_ATTR_THRDASSIGN(1) |
450 				A3XX_VPC_ATTR_LMSIZE(1) |
451 				COND(vp->writes_psize, A3XX_VPC_ATTR_PSIZE));
452 		OUT_RING(ring, A3XX_VPC_PACK_NUMFPNONPOSVAR(fp->total_in) |
453 				A3XX_VPC_PACK_NUMNONPOSVSVAR(fp->total_in));
454 
455 		OUT_PKT0(ring, REG_A3XX_VPC_VARYING_INTERP_MODE(0), 4);
456 		OUT_RING(ring, vinterp[0]);    /* VPC_VARYING_INTERP[0].MODE */
457 		OUT_RING(ring, vinterp[1]);    /* VPC_VARYING_INTERP[1].MODE */
458 		OUT_RING(ring, vinterp[2]);    /* VPC_VARYING_INTERP[2].MODE */
459 		OUT_RING(ring, vinterp[3]);    /* VPC_VARYING_INTERP[3].MODE */
460 
461 		OUT_PKT0(ring, REG_A3XX_VPC_VARYING_PS_REPL_MODE(0), 4);
462 		OUT_RING(ring, vpsrepl[0]);    /* VPC_VARYING_PS_REPL[0].MODE */
463 		OUT_RING(ring, vpsrepl[1]);    /* VPC_VARYING_PS_REPL[1].MODE */
464 		OUT_RING(ring, vpsrepl[2]);    /* VPC_VARYING_PS_REPL[2].MODE */
465 		OUT_RING(ring, vpsrepl[3]);    /* VPC_VARYING_PS_REPL[3].MODE */
466 
467 		OUT_PKT0(ring, REG_A3XX_SP_FS_FLAT_SHAD_MODE_REG_0, 2);
468 		OUT_RING(ring, flatshade[0]);        /* SP_FS_FLAT_SHAD_MODE_REG_0 */
469 		OUT_RING(ring, flatshade[1]);        /* SP_FS_FLAT_SHAD_MODE_REG_1 */
470 	}
471 
472 	if (vpbuffer == BUFFER)
473 		emit_shader(ring, vp);
474 
475 	OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
476 	OUT_RING(ring, 0x00000000);        /* VFD_PERFCOUNTER0_SELECT */
477 
478 	if (!emit->key.binning_pass) {
479 		if (fpbuffer == BUFFER)
480 			emit_shader(ring, fp);
481 
482 		OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
483 		OUT_RING(ring, 0x00000000);        /* VFD_PERFCOUNTER0_SELECT */
484 	}
485 }
486 
487 void
fd3_prog_init(struct pipe_context * pctx)488 fd3_prog_init(struct pipe_context *pctx)
489 {
490 	pctx->create_fs_state = fd3_fp_state_create;
491 	pctx->delete_fs_state = fd3_fp_state_delete;
492 
493 	pctx->create_vs_state = fd3_vp_state_create;
494 	pctx->delete_vs_state = fd3_vp_state_delete;
495 
496 	fd_prog_init(pctx);
497 }
498