2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * Rob Clark <robclark@freedesktop.org>
28 #include "pipe/p_state.h"
29 #include "util/u_string.h"
30 #include "util/u_memory.h"
31 #include "util/u_inlines.h"
32 #include "util/u_format.h"
33 #include "util/bitset.h"
35 #include "freedreno_program.h"
37 #include "fd6_program.h"
39 #include "fd6_texture.h"
40 #include "fd6_format.h"
43 fd6_emit_shader(struct fd_ringbuffer
*ring
, const struct ir3_shader_variant
*so
)
45 enum a6xx_state_block sb
= fd6_stage2shadersb(so
->type
);
47 OUT_PKT7(ring
, fd6_stage2opcode(so
->type
), 3);
48 OUT_RING(ring
, CP_LOAD_STATE6_0_DST_OFF(0) |
49 CP_LOAD_STATE6_0_STATE_TYPE(ST6_SHADER
) |
50 CP_LOAD_STATE6_0_STATE_SRC(SS6_INDIRECT
) |
51 CP_LOAD_STATE6_0_STATE_BLOCK(sb
) |
52 CP_LOAD_STATE6_0_NUM_UNIT(so
->instrlen
));
53 OUT_RELOCD(ring
, so
->bo
, 0, 0, 0);
56 /* Add any missing varyings needed for stream-out. Otherwise varyings not
57 * used by fragment shader will be stripped out.
60 link_stream_out(struct ir3_shader_linkage
*l
, const struct ir3_shader_variant
*v
)
62 const struct ir3_stream_output_info
*strmout
= &v
->shader
->stream_output
;
65 * First, any stream-out varyings not already in linkage map (ie. also
66 * consumed by frag shader) need to be added:
68 for (unsigned i
= 0; i
< strmout
->num_outputs
; i
++) {
69 const struct ir3_stream_output
*out
= &strmout
->output
[i
];
70 unsigned k
= out
->register_index
;
72 (1 << (out
->num_components
+ out
->start_component
)) - 1;
73 unsigned idx
, nextloc
= 0;
75 /* psize/pos need to be the last entries in linkage map, and will
76 * get added link_stream_out, so skip over them:
78 if ((v
->outputs
[k
].slot
== VARYING_SLOT_PSIZ
) ||
79 (v
->outputs
[k
].slot
== VARYING_SLOT_POS
))
82 for (idx
= 0; idx
< l
->cnt
; idx
++) {
83 if (l
->var
[idx
].regid
== v
->outputs
[k
].regid
)
85 nextloc
= MAX2(nextloc
, l
->var
[idx
].loc
+ 4);
88 /* add if not already in linkage map: */
90 ir3_link_add(l
, v
->outputs
[k
].regid
, compmask
, nextloc
);
92 /* expand component-mask if needed, ie streaming out all components
93 * but frag shader doesn't consume all components:
95 if (compmask
& ~l
->var
[idx
].compmask
) {
96 l
->var
[idx
].compmask
|= compmask
;
97 l
->max_loc
= MAX2(l
->max_loc
,
98 l
->var
[idx
].loc
+ util_last_bit(l
->var
[idx
].compmask
));
104 setup_stream_out(struct fd6_program_state
*state
, const struct ir3_shader_variant
*v
,
105 struct ir3_shader_linkage
*l
)
107 const struct ir3_stream_output_info
*strmout
= &v
->shader
->stream_output
;
108 struct fd6_streamout_state
*tf
= &state
->tf
;
110 memset(tf
, 0, sizeof(*tf
));
112 tf
->prog_count
= align(l
->max_loc
, 2) / 2;
114 debug_assert(tf
->prog_count
< ARRAY_SIZE(tf
->prog
));
116 for (unsigned i
= 0; i
< strmout
->num_outputs
; i
++) {
117 const struct ir3_stream_output
*out
= &strmout
->output
[i
];
118 unsigned k
= out
->register_index
;
121 tf
->ncomp
[out
->output_buffer
] += out
->num_components
;
123 /* linkage map sorted by order frag shader wants things, so
124 * a bit less ideal here..
126 for (idx
= 0; idx
< l
->cnt
; idx
++)
127 if (l
->var
[idx
].regid
== v
->outputs
[k
].regid
)
130 debug_assert(idx
< l
->cnt
);
132 for (unsigned j
= 0; j
< out
->num_components
; j
++) {
133 unsigned c
= j
+ out
->start_component
;
134 unsigned loc
= l
->var
[idx
].loc
+ c
;
135 unsigned off
= j
+ out
->dst_offset
; /* in dwords */
138 tf
->prog
[loc
/2] |= A6XX_VPC_SO_PROG_B_EN
|
139 A6XX_VPC_SO_PROG_B_BUF(out
->output_buffer
) |
140 A6XX_VPC_SO_PROG_B_OFF(off
* 4);
142 tf
->prog
[loc
/2] |= A6XX_VPC_SO_PROG_A_EN
|
143 A6XX_VPC_SO_PROG_A_BUF(out
->output_buffer
) |
144 A6XX_VPC_SO_PROG_A_OFF(off
* 4);
149 tf
->vpc_so_buf_cntl
= A6XX_VPC_SO_BUF_CNTL_ENABLE
|
150 COND(tf
->ncomp
[0] > 0, A6XX_VPC_SO_BUF_CNTL_BUF0
) |
151 COND(tf
->ncomp
[1] > 0, A6XX_VPC_SO_BUF_CNTL_BUF1
) |
152 COND(tf
->ncomp
[2] > 0, A6XX_VPC_SO_BUF_CNTL_BUF2
) |
153 COND(tf
->ncomp
[3] > 0, A6XX_VPC_SO_BUF_CNTL_BUF3
);
157 setup_config_stateobj(struct fd_ringbuffer
*ring
, struct fd6_program_state
*state
)
159 OUT_PKT4(ring
, REG_A6XX_HLSQ_UPDATE_CNTL
, 1);
160 OUT_RING(ring
, 0xff); /* XXX */
162 debug_assert(state
->vs
->constlen
>= state
->bs
->constlen
);
164 OUT_PKT4(ring
, REG_A6XX_HLSQ_VS_CNTL
, 4);
165 OUT_RING(ring
, A6XX_HLSQ_VS_CNTL_CONSTLEN(align(state
->vs
->constlen
, 4)) |
166 A6XX_HLSQ_VS_CNTL_ENABLED
);
167 OUT_RING(ring
, A6XX_HLSQ_HS_CNTL_CONSTLEN(0));
168 OUT_RING(ring
, A6XX_HLSQ_DS_CNTL_CONSTLEN(0));
169 OUT_RING(ring
, A6XX_HLSQ_GS_CNTL_CONSTLEN(0));
171 OUT_PKT4(ring
, REG_A6XX_HLSQ_FS_CNTL
, 1);
172 OUT_RING(ring
, A6XX_HLSQ_FS_CNTL_CONSTLEN(align(state
->fs
->constlen
, 4)) |
173 A6XX_HLSQ_FS_CNTL_ENABLED
);
175 OUT_PKT4(ring
, REG_A6XX_SP_VS_CONFIG
, 1);
176 OUT_RING(ring
, COND(state
->vs
, A6XX_SP_VS_CONFIG_ENABLED
) |
177 A6XX_SP_VS_CONFIG_NIBO(state
->vs
->image_mapping
.num_ibo
) |
178 A6XX_SP_VS_CONFIG_NTEX(state
->vs
->num_samp
) |
179 A6XX_SP_VS_CONFIG_NSAMP(state
->vs
->num_samp
));
181 OUT_PKT4(ring
, REG_A6XX_SP_FS_CONFIG
, 1);
182 OUT_RING(ring
, COND(state
->fs
, A6XX_SP_FS_CONFIG_ENABLED
) |
183 A6XX_SP_FS_CONFIG_NIBO(state
->fs
->image_mapping
.num_ibo
) |
184 A6XX_SP_FS_CONFIG_NTEX(state
->fs
->num_samp
) |
185 A6XX_SP_FS_CONFIG_NSAMP(state
->fs
->num_samp
));
187 OUT_PKT4(ring
, REG_A6XX_SP_HS_CONFIG
, 1);
188 OUT_RING(ring
, COND(false, A6XX_SP_HS_CONFIG_ENABLED
));
190 OUT_PKT4(ring
, REG_A6XX_SP_DS_CONFIG
, 1);
191 OUT_RING(ring
, COND(false, A6XX_SP_DS_CONFIG_ENABLED
));
193 OUT_PKT4(ring
, REG_A6XX_SP_GS_CONFIG
, 1);
194 OUT_RING(ring
, COND(false, A6XX_SP_GS_CONFIG_ENABLED
));
196 OUT_PKT4(ring
, REG_A6XX_SP_IBO_COUNT
, 1);
197 OUT_RING(ring
, state
->fs
->image_mapping
.num_ibo
);
200 #define VALIDREG(r) ((r) != regid(63,0))
201 #define CONDREG(r, val) COND(VALIDREG(r), (val))
203 static inline uint32_t
204 next_regid(uint32_t reg
, uint32_t increment
)
207 return reg
+ increment
;
213 setup_stateobj(struct fd_ringbuffer
*ring
, struct fd_screen
*screen
,
214 struct fd6_program_state
*state
, const struct ir3_shader_key
*key
,
217 uint32_t pos_regid
, psize_regid
, color_regid
[8], posz_regid
;
218 uint32_t face_regid
, coord_regid
, zwcoord_regid
, samp_id_regid
;
219 uint32_t smask_in_regid
, smask_regid
;
220 uint32_t vertex_regid
, instance_regid
;
221 uint32_t ij_pix_regid
, ij_samp_regid
, ij_cent_regid
, ij_size_regid
;
222 enum a3xx_threadsize fssz
;
223 uint8_t psize_loc
= ~0, pos_loc
= ~0;
226 static const struct ir3_shader_variant dummy_fs
= {0};
227 const struct ir3_shader_variant
*vs
= binning_pass
? state
->bs
: state
->vs
;
228 const struct ir3_shader_variant
*fs
= binning_pass
? &dummy_fs
: state
->fs
;
230 bool sample_shading
= fs
->per_samp
| key
->sample_shading
;
234 pos_regid
= ir3_find_output_regid(vs
, VARYING_SLOT_POS
);
235 psize_regid
= ir3_find_output_regid(vs
, VARYING_SLOT_PSIZ
);
236 vertex_regid
= ir3_find_sysval_regid(vs
, SYSTEM_VALUE_VERTEX_ID
);
237 instance_regid
= ir3_find_sysval_regid(vs
, SYSTEM_VALUE_INSTANCE_ID
);
239 if (fs
->color0_mrt
) {
240 color_regid
[0] = color_regid
[1] = color_regid
[2] = color_regid
[3] =
241 color_regid
[4] = color_regid
[5] = color_regid
[6] = color_regid
[7] =
242 ir3_find_output_regid(fs
, FRAG_RESULT_COLOR
);
244 color_regid
[0] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA0
);
245 color_regid
[1] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA1
);
246 color_regid
[2] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA2
);
247 color_regid
[3] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA3
);
248 color_regid
[4] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA4
);
249 color_regid
[5] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA5
);
250 color_regid
[6] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA6
);
251 color_regid
[7] = ir3_find_output_regid(fs
, FRAG_RESULT_DATA7
);
254 samp_id_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_SAMPLE_ID
);
255 smask_in_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_SAMPLE_MASK_IN
);
256 face_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_FRONT_FACE
);
257 coord_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_FRAG_COORD
);
258 zwcoord_regid
= next_regid(coord_regid
, 2);
259 ij_pix_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_BARYCENTRIC_PIXEL
);
260 ij_samp_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_BARYCENTRIC_SAMPLE
);
261 ij_cent_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_BARYCENTRIC_CENTROID
);
262 ij_size_regid
= ir3_find_sysval_regid(fs
, SYSTEM_VALUE_BARYCENTRIC_SIZE
);
263 posz_regid
= ir3_find_output_regid(fs
, FRAG_RESULT_DEPTH
);
264 smask_regid
= ir3_find_output_regid(fs
, FRAG_RESULT_SAMPLE_MASK
);
266 /* we can't write gl_SampleMask for !msaa.. if b0 is zero then we
267 * end up masking the single sample!!
270 smask_regid
= regid(63, 0);
272 /* we could probably divide this up into things that need to be
273 * emitted if frag-prog is dirty vs if vert-prog is dirty..
276 OUT_PKT4(ring
, REG_A6XX_SP_VS_INSTRLEN
, 1);
277 OUT_RING(ring
, vs
->instrlen
); /* SP_VS_INSTRLEN */
279 OUT_PKT4(ring
, REG_A6XX_SP_HS_UNKNOWN_A831
, 1);
282 OUT_PKT4(ring
, REG_A6XX_SP_HS_INSTRLEN
, 1);
283 OUT_RING(ring
, 0); /* SP_HS_INSTRLEN */
285 OUT_PKT4(ring
, REG_A6XX_SP_DS_INSTRLEN
, 1);
286 OUT_RING(ring
, 0); /* SP_DS_INSTRLEN */
288 OUT_PKT4(ring
, REG_A6XX_SP_GS_UNKNOWN_A871
, 1);
291 OUT_PKT4(ring
, REG_A6XX_SP_GS_INSTRLEN
, 1);
292 OUT_RING(ring
, 0); /* SP_GS_INSTRLEN */
294 /* I believe this is related to pre-dispatch texture fetch.. we probably
295 * should't turn it on by accident:
297 OUT_PKT4(ring
, REG_A6XX_SP_UNKNOWN_A99E
, 1);
300 OUT_PKT4(ring
, REG_A6XX_SP_UNKNOWN_A9A8
, 1);
303 OUT_PKT4(ring
, REG_A6XX_SP_UNKNOWN_AB00
, 1);
306 OUT_PKT4(ring
, REG_A6XX_SP_FS_INSTRLEN
, 1);
307 OUT_RING(ring
, fs
->instrlen
); /* SP_FS_INSTRLEN */
309 OUT_PKT4(ring
, REG_A6XX_SP_FS_OUTPUT_CNTL0
, 1);
310 OUT_RING(ring
, A6XX_SP_FS_OUTPUT_CNTL0_DEPTH_REGID(posz_regid
) |
311 A6XX_SP_FS_OUTPUT_CNTL0_SAMPMASK_REGID(smask_regid
) |
314 OUT_PKT4(ring
, REG_A6XX_SP_VS_CTRL_REG0
, 1);
315 OUT_RING(ring
, A6XX_SP_VS_CTRL_REG0_THREADSIZE(fssz
) |
316 A6XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(vs
->info
.max_reg
+ 1) |
317 A6XX_SP_VS_CTRL_REG0_MERGEDREGS
|
318 A6XX_SP_VS_CTRL_REG0_BRANCHSTACK(vs
->branchstack
) |
319 COND(vs
->need_pixlod
, A6XX_SP_VS_CTRL_REG0_PIXLODENABLE
));
321 struct ir3_shader_linkage l
= {0};
322 ir3_link_shaders(&l
, vs
, fs
);
324 if (vs
->shader
->stream_output
.num_outputs
> 0)
325 link_stream_out(&l
, vs
);
327 BITSET_DECLARE(varbs
, 128) = {0};
328 uint32_t *varmask
= (uint32_t *)varbs
;
330 for (i
= 0; i
< l
.cnt
; i
++)
331 for (j
= 0; j
< util_last_bit(l
.var
[i
].compmask
); j
++)
332 BITSET_SET(varbs
, l
.var
[i
].loc
+ j
);
334 OUT_PKT4(ring
, REG_A6XX_VPC_VAR_DISABLE(0), 4);
335 OUT_RING(ring
, ~varmask
[0]); /* VPC_VAR[0].DISABLE */
336 OUT_RING(ring
, ~varmask
[1]); /* VPC_VAR[1].DISABLE */
337 OUT_RING(ring
, ~varmask
[2]); /* VPC_VAR[2].DISABLE */
338 OUT_RING(ring
, ~varmask
[3]); /* VPC_VAR[3].DISABLE */
340 /* a6xx appends pos/psize to end of the linkage map: */
341 if (VALIDREG(pos_regid
)) {
343 ir3_link_add(&l
, pos_regid
, 0xf, l
.max_loc
);
346 if (VALIDREG(psize_regid
)) {
347 psize_loc
= l
.max_loc
;
348 ir3_link_add(&l
, psize_regid
, 0x1, l
.max_loc
);
351 if (vs
->shader
->stream_output
.num_outputs
> 0) {
352 setup_stream_out(state
, vs
, &l
);
355 debug_assert(l
.cnt
< 32);
356 OUT_PKT4(ring
, REG_A6XX_SP_VS_OUT_REG(0), DIV_ROUND_UP(l
.cnt
, 2));
357 for (j
= 0; j
< l
.cnt
; ) {
360 reg
|= A6XX_SP_VS_OUT_REG_A_REGID(l
.var
[j
].regid
);
361 reg
|= A6XX_SP_VS_OUT_REG_A_COMPMASK(l
.var
[j
].compmask
);
364 reg
|= A6XX_SP_VS_OUT_REG_B_REGID(l
.var
[j
].regid
);
365 reg
|= A6XX_SP_VS_OUT_REG_B_COMPMASK(l
.var
[j
].compmask
);
371 OUT_PKT4(ring
, REG_A6XX_SP_VS_VPC_DST_REG(0), DIV_ROUND_UP(l
.cnt
, 4));
372 for (j
= 0; j
< l
.cnt
; ) {
375 reg
|= A6XX_SP_VS_VPC_DST_REG_OUTLOC0(l
.var
[j
++].loc
);
376 reg
|= A6XX_SP_VS_VPC_DST_REG_OUTLOC1(l
.var
[j
++].loc
);
377 reg
|= A6XX_SP_VS_VPC_DST_REG_OUTLOC2(l
.var
[j
++].loc
);
378 reg
|= A6XX_SP_VS_VPC_DST_REG_OUTLOC3(l
.var
[j
++].loc
);
383 OUT_PKT4(ring
, REG_A6XX_SP_VS_OBJ_START_LO
, 2);
384 OUT_RELOC(ring
, vs
->bo
, 0, 0, 0); /* SP_VS_OBJ_START_LO/HI */
387 fd6_emit_shader(ring
, vs
);
390 OUT_PKT4(ring
, REG_A6XX_SP_PRIMITIVE_CNTL
, 1);
391 OUT_RING(ring
, A6XX_SP_PRIMITIVE_CNTL_VSOUT(l
.cnt
));
393 bool enable_varyings
= fs
->total_in
> 0;
395 OUT_PKT4(ring
, REG_A6XX_VPC_CNTL_0
, 1);
396 OUT_RING(ring
, A6XX_VPC_CNTL_0_NUMNONPOSVAR(fs
->total_in
) |
397 COND(enable_varyings
, A6XX_VPC_CNTL_0_VARYING
) |
400 OUT_PKT4(ring
, REG_A6XX_PC_PRIMITIVE_CNTL_1
, 1);
401 OUT_RING(ring
, A6XX_PC_PRIMITIVE_CNTL_1_STRIDE_IN_VPC(l
.max_loc
) |
402 CONDREG(psize_regid
, A6XX_PC_PRIMITIVE_CNTL_1_PSIZE
));
405 OUT_PKT4(ring
, REG_A6XX_SP_FS_OBJ_START_LO
, 2);
406 OUT_RING(ring
, 0x00000000); /* SP_FS_OBJ_START_LO */
407 OUT_RING(ring
, 0x00000000); /* SP_FS_OBJ_START_HI */
409 OUT_PKT4(ring
, REG_A6XX_SP_FS_OBJ_START_LO
, 2);
410 OUT_RELOC(ring
, fs
->bo
, 0, 0, 0); /* SP_FS_OBJ_START_LO/HI */
413 OUT_PKT4(ring
, REG_A6XX_HLSQ_CONTROL_1_REG
, 5);
414 OUT_RING(ring
, 0x7); /* XXX */
415 OUT_RING(ring
, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid
) |
416 A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid
) |
417 A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(smask_in_regid
) |
418 A6XX_HLSQ_CONTROL_2_REG_SIZE(ij_size_regid
));
419 OUT_RING(ring
, A6XX_HLSQ_CONTROL_3_REG_BARY_IJ_PIXEL(ij_pix_regid
) |
420 A6XX_HLSQ_CONTROL_3_REG_BARY_IJ_CENTROID(ij_cent_regid
) |
421 0xfc00fc00); /* XXX */
422 OUT_RING(ring
, A6XX_HLSQ_CONTROL_4_REG_XYCOORDREGID(coord_regid
) |
423 A6XX_HLSQ_CONTROL_4_REG_ZWCOORDREGID(zwcoord_regid
) |
424 A6XX_HLSQ_CONTROL_4_REG_BARY_IJ_PIXEL_PERSAMP(ij_samp_regid
) |
425 0x0000fc00); /* XXX */
426 OUT_RING(ring
, 0xfc); /* XXX */
428 OUT_PKT4(ring
, REG_A6XX_HLSQ_UNKNOWN_B980
, 1);
429 OUT_RING(ring
, enable_varyings
? 3 : 1);
431 OUT_PKT4(ring
, REG_A6XX_SP_FS_CTRL_REG0
, 1);
432 OUT_RING(ring
, A6XX_SP_FS_CTRL_REG0_THREADSIZE(fssz
) |
433 COND(enable_varyings
, A6XX_SP_FS_CTRL_REG0_VARYING
) |
434 COND(fs
->frag_coord
, A6XX_SP_FS_CTRL_REG0_VARYING
) |
436 A6XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(fs
->info
.max_reg
+ 1) |
437 A6XX_SP_FS_CTRL_REG0_MERGEDREGS
|
438 A6XX_SP_FS_CTRL_REG0_BRANCHSTACK(fs
->branchstack
) |
439 COND(fs
->need_pixlod
, A6XX_SP_FS_CTRL_REG0_PIXLODENABLE
));
441 OUT_PKT4(ring
, REG_A6XX_SP_UNKNOWN_A982
, 1);
442 OUT_RING(ring
, 0); /* XXX */
444 OUT_PKT4(ring
, REG_A6XX_VPC_GS_SIV_CNTL
, 1);
445 OUT_RING(ring
, 0x0000ffff); /* XXX */
447 OUT_PKT4(ring
, REG_A6XX_GRAS_CNTL
, 1);
449 CONDREG(ij_pix_regid
, A6XX_GRAS_CNTL_VARYING
) |
450 CONDREG(ij_cent_regid
, A6XX_GRAS_CNTL_CENTROID
) |
451 CONDREG(ij_samp_regid
, A6XX_GRAS_CNTL_PERSAMP_VARYING
) |
452 COND(VALIDREG(ij_size_regid
) && !sample_shading
, A6XX_GRAS_CNTL_SIZE
) |
453 COND(VALIDREG(ij_size_regid
) && sample_shading
, A6XX_GRAS_CNTL_SIZE_PERSAMP
) |
455 A6XX_GRAS_CNTL_SIZE
|
456 A6XX_GRAS_CNTL_XCOORD
|
457 A6XX_GRAS_CNTL_YCOORD
|
458 A6XX_GRAS_CNTL_ZCOORD
|
459 A6XX_GRAS_CNTL_WCOORD
) |
460 COND(fs
->frag_face
, A6XX_GRAS_CNTL_SIZE
));
462 OUT_PKT4(ring
, REG_A6XX_RB_RENDER_CONTROL0
, 2);
464 CONDREG(ij_pix_regid
, A6XX_RB_RENDER_CONTROL0_VARYING
) |
465 CONDREG(ij_cent_regid
, A6XX_RB_RENDER_CONTROL0_CENTROID
) |
466 CONDREG(ij_samp_regid
, A6XX_RB_RENDER_CONTROL0_PERSAMP_VARYING
) |
467 COND(enable_varyings
, A6XX_RB_RENDER_CONTROL0_UNK10
) |
468 COND(VALIDREG(ij_size_regid
) && !sample_shading
, A6XX_RB_RENDER_CONTROL0_SIZE
) |
469 COND(VALIDREG(ij_size_regid
) && sample_shading
, A6XX_RB_RENDER_CONTROL0_SIZE_PERSAMP
) |
471 A6XX_RB_RENDER_CONTROL0_SIZE
|
472 A6XX_RB_RENDER_CONTROL0_XCOORD
|
473 A6XX_RB_RENDER_CONTROL0_YCOORD
|
474 A6XX_RB_RENDER_CONTROL0_ZCOORD
|
475 A6XX_RB_RENDER_CONTROL0_WCOORD
) |
476 COND(fs
->frag_face
, A6XX_RB_RENDER_CONTROL0_SIZE
));
479 CONDREG(smask_in_regid
, A6XX_RB_RENDER_CONTROL1_SAMPLEMASK
) |
480 CONDREG(samp_id_regid
, A6XX_RB_RENDER_CONTROL1_SAMPLEID
) |
481 CONDREG(ij_size_regid
, A6XX_RB_RENDER_CONTROL1_SIZE
) |
482 COND(fs
->frag_face
, A6XX_RB_RENDER_CONTROL1_FACENESS
));
484 OUT_PKT4(ring
, REG_A6XX_RB_SAMPLE_CNTL
, 1);
485 OUT_RING(ring
, COND(sample_shading
, A6XX_RB_SAMPLE_CNTL_PER_SAMP_MODE
));
487 OUT_PKT4(ring
, REG_A6XX_GRAS_UNKNOWN_8101
, 1);
488 OUT_RING(ring
, COND(sample_shading
, 0x6)); // XXX
490 OUT_PKT4(ring
, REG_A6XX_GRAS_SAMPLE_CNTL
, 1);
491 OUT_RING(ring
, COND(sample_shading
, A6XX_GRAS_SAMPLE_CNTL_PER_SAMP_MODE
));
493 OUT_PKT4(ring
, REG_A6XX_SP_FS_OUTPUT_REG(0), 8);
494 for (i
= 0; i
< 8; i
++) {
495 OUT_RING(ring
, A6XX_SP_FS_OUTPUT_REG_REGID(color_regid
[i
]) |
496 COND(color_regid
[i
] & HALF_REG_ID
, A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION
));
499 OUT_PKT4(ring
, REG_A6XX_VPC_PACK
, 1);
500 OUT_RING(ring
, A6XX_VPC_PACK_POSITIONLOC(pos_loc
) |
501 A6XX_VPC_PACK_PSIZELOC(psize_loc
) |
502 A6XX_VPC_PACK_STRIDE_IN_VPC(l
.max_loc
));
505 /* figure out VARYING_INTERP / VARYING_PS_REPL register values: */
506 for (j
= -1; (j
= ir3_next_varying(fs
, j
)) < (int)fs
->inputs_count
; ) {
507 /* NOTE: varyings are packed, so if compmask is 0xb
508 * then first, third, and fourth component occupy
509 * three consecutive varying slots:
511 unsigned compmask
= fs
->inputs
[j
].compmask
;
513 uint32_t inloc
= fs
->inputs
[j
].inloc
;
515 if (fs
->inputs
[j
].interpolate
== INTERP_MODE_FLAT
) {
516 uint32_t loc
= inloc
;
518 for (i
= 0; i
< 4; i
++) {
519 if (compmask
& (1 << i
)) {
520 state
->vinterp
[loc
/ 16] |= 1 << ((loc
% 16) * 2);
530 fd6_emit_shader(ring
, fs
);
532 OUT_PKT4(ring
, REG_A6XX_VFD_CONTROL_1
, 6);
533 OUT_RING(ring
, A6XX_VFD_CONTROL_1_REGID4VTX(vertex_regid
) |
534 A6XX_VFD_CONTROL_1_REGID4INST(instance_regid
) |
536 OUT_RING(ring
, 0x0000fcfc); /* VFD_CONTROL_2 */
537 OUT_RING(ring
, 0xfcfcfcfc); /* VFD_CONTROL_3 */
538 OUT_RING(ring
, 0x000000fc); /* VFD_CONTROL_4 */
539 OUT_RING(ring
, 0x0000fcfc); /* VFD_CONTROL_5 */
540 OUT_RING(ring
, 0x00000000); /* VFD_CONTROL_6 */
542 bool fragz
= fs
->no_earlyz
| fs
->writes_pos
;
544 OUT_PKT4(ring
, REG_A6XX_RB_DEPTH_PLANE_CNTL
, 1);
545 OUT_RING(ring
, COND(fragz
, A6XX_RB_DEPTH_PLANE_CNTL_FRAG_WRITES_Z
));
547 OUT_PKT4(ring
, REG_A6XX_GRAS_SU_DEPTH_PLANE_CNTL
, 1);
548 OUT_RING(ring
, COND(fragz
, A6XX_GRAS_SU_DEPTH_PLANE_CNTL_FRAG_WRITES_Z
));
550 ir3_emit_immediates(screen
, vs
, ring
);
552 ir3_emit_immediates(screen
, fs
, ring
);
555 /* emits the program state which is not part of the stateobj because of
556 * dependency on other gl state (rasterflat or sprite-coord-replacement)
559 fd6_program_emit(struct fd_ringbuffer
*ring
, struct fd6_emit
*emit
)
561 const struct fd6_program_state
*state
= fd6_emit_get_prog(emit
);
563 if (!unlikely(emit
->rasterflat
|| emit
->sprite_coord_enable
)) {
565 OUT_PKT4(ring
, REG_A6XX_VPC_VARYING_INTERP_MODE(0), 8);
566 for (int i
= 0; i
< 8; i
++)
567 OUT_RING(ring
, state
->vinterp
[i
]); /* VPC_VARYING_INTERP[i].MODE */
569 OUT_PKT4(ring
, REG_A6XX_VPC_VARYING_PS_REPL_MODE(0), 8);
570 for (int i
= 0; i
< 8; i
++)
571 OUT_RING(ring
, 0x00000000); /* VPC_VARYING_PS_REPL[i] */
574 struct ir3_shader_variant
*fs
= state
->fs
;
575 uint32_t vinterp
[8], vpsrepl
[8];
577 memset(vinterp
, 0, sizeof(vinterp
));
578 memset(vpsrepl
, 0, sizeof(vpsrepl
));
580 for (int j
= -1; (j
= ir3_next_varying(fs
, j
)) < (int)fs
->inputs_count
; ) {
582 /* NOTE: varyings are packed, so if compmask is 0xb
583 * then first, third, and fourth component occupy
584 * three consecutive varying slots:
586 unsigned compmask
= fs
->inputs
[j
].compmask
;
588 uint32_t inloc
= fs
->inputs
[j
].inloc
;
590 if ((fs
->inputs
[j
].interpolate
== INTERP_MODE_FLAT
) ||
591 (fs
->inputs
[j
].rasterflat
&& emit
->rasterflat
)) {
592 uint32_t loc
= inloc
;
594 for (int i
= 0; i
< 4; i
++) {
595 if (compmask
& (1 << i
)) {
596 vinterp
[loc
/ 16] |= 1 << ((loc
% 16) * 2);
602 gl_varying_slot slot
= fs
->inputs
[j
].slot
;
604 /* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */
605 if (slot
>= VARYING_SLOT_VAR0
) {
606 unsigned texmask
= 1 << (slot
- VARYING_SLOT_VAR0
);
607 /* Replace the .xy coordinates with S/T from the point sprite. Set
608 * interpolation bits for .zw such that they become .01
610 if (emit
->sprite_coord_enable
& texmask
) {
611 /* mask is two 2-bit fields, where:
614 * '11' -> 1 - T (flip mode)
616 unsigned mask
= emit
->sprite_coord_mode
? 0b1101 : 0b1001;
617 uint32_t loc
= inloc
;
618 if (compmask
& 0x1) {
619 vpsrepl
[loc
/ 16] |= ((mask
>> 0) & 0x3) << ((loc
% 16) * 2);
622 if (compmask
& 0x2) {
623 vpsrepl
[loc
/ 16] |= ((mask
>> 2) & 0x3) << ((loc
% 16) * 2);
626 if (compmask
& 0x4) {
628 vinterp
[loc
/ 16] |= 0b10 << ((loc
% 16) * 2);
631 if (compmask
& 0x8) {
633 vinterp
[loc
/ 16] |= 0b11 << ((loc
% 16) * 2);
640 OUT_PKT4(ring
, REG_A6XX_VPC_VARYING_INTERP_MODE(0), 8);
641 for (int i
= 0; i
< 8; i
++)
642 OUT_RING(ring
, vinterp
[i
]); /* VPC_VARYING_INTERP[i].MODE */
644 OUT_PKT4(ring
, REG_A6XX_VPC_VARYING_PS_REPL_MODE(0), 8);
645 for (int i
= 0; i
< 8; i
++)
646 OUT_RING(ring
, vpsrepl
[i
]); /* VPC_VARYING_PS_REPL[i] */
650 static struct ir3_program_state
*
651 fd6_program_create(void *data
, struct ir3_shader_variant
*bs
,
652 struct ir3_shader_variant
*vs
,
653 struct ir3_shader_variant
*fs
,
654 const struct ir3_shader_key
*key
)
656 struct fd_context
*ctx
= data
;
657 struct fd6_program_state
*state
= CALLOC_STRUCT(fd6_program_state
);
659 /* if we have streamout, use full VS in binning pass, as the
660 * binning pass VS will have outputs on other than position/psize
663 state
->bs
= vs
->shader
->stream_output
.num_outputs
? vs
: bs
;
666 state
->config_stateobj
= fd_ringbuffer_new_object(ctx
->pipe
, 0x1000);
667 state
->binning_stateobj
= fd_ringbuffer_new_object(ctx
->pipe
, 0x1000);
668 state
->stateobj
= fd_ringbuffer_new_object(ctx
->pipe
, 0x1000);
671 for (unsigned i
= 0; i
< bs
->inputs_count
; i
++) {
672 if (vs
->inputs
[i
].sysval
)
674 debug_assert(bs
->inputs
[i
].regid
== vs
->inputs
[i
].regid
);
678 setup_config_stateobj(state
->config_stateobj
, state
);
679 setup_stateobj(state
->binning_stateobj
, ctx
->screen
, state
, key
, true);
680 setup_stateobj(state
->stateobj
, ctx
->screen
, state
, key
, false);
686 fd6_program_destroy(void *data
, struct ir3_program_state
*state
)
688 struct fd6_program_state
*so
= fd6_program_state(state
);
689 fd_ringbuffer_del(so
->stateobj
);
690 fd_ringbuffer_del(so
->binning_stateobj
);
691 fd_ringbuffer_del(so
->config_stateobj
);
695 static const struct ir3_cache_funcs cache_funcs
= {
696 .create_state
= fd6_program_create
,
697 .destroy_state
= fd6_program_destroy
,
701 fd6_shader_state_create(struct pipe_context
*pctx
, const struct pipe_shader_state
*cso
)
703 struct fd_context
*ctx
= fd_context(pctx
);
704 struct ir3_compiler
*compiler
= ctx
->screen
->compiler
;
705 struct ir3_shader
*shader
=
706 ir3_shader_create(compiler
, cso
, &ctx
->debug
, pctx
->screen
);
707 unsigned packets
, size
;
709 /* pre-calculate size required for userconst stateobj: */
710 ir3_user_consts_size(&shader
->ubo_state
, &packets
, &size
);
712 /* also account for UBO addresses: */
714 size
+= 2 * shader
->const_state
.num_ubos
;
716 unsigned sizedwords
= (4 * packets
) + size
;
717 shader
->ubo_state
.cmdstream_size
= sizedwords
* 4;
723 fd6_shader_state_delete(struct pipe_context
*pctx
, void *hwcso
)
725 struct ir3_shader
*so
= hwcso
;
726 struct fd_context
*ctx
= fd_context(pctx
);
727 ir3_cache_invalidate(fd6_context(ctx
)->shader_cache
, hwcso
);
728 ir3_shader_destroy(so
);
732 fd6_prog_init(struct pipe_context
*pctx
)
734 struct fd_context
*ctx
= fd_context(pctx
);
736 fd6_context(ctx
)->shader_cache
= ir3_cache_create(&cache_funcs
, ctx
);
738 pctx
->create_vs_state
= fd6_shader_state_create
;
739 pctx
->delete_vs_state
= fd6_shader_state_delete
;
741 pctx
->create_fs_state
= fd6_shader_state_create
;
742 pctx
->delete_fs_state
= fd6_shader_state_delete
;