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freedreno/a6xx: Program RB_UNKNOWN_8C01 in setup helper
[mesa.git] / src / gallium / drivers / freedreno / a6xx / fd6_blitter.c
1 /*
2 * Copyright (C) 2017 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
4 *
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:
11 *
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
14 * Software.
15 *
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
22 * SOFTWARE.
23 *
24 * Authors:
25 * Rob Clark <robclark@freedesktop.org>
26 */
27
28 #include "util/u_dump.h"
29 #include "util/half_float.h"
30
31 #include "freedreno_blitter.h"
32 #include "freedreno_fence.h"
33 #include "freedreno_log.h"
34 #include "freedreno_resource.h"
35
36 #include "fd6_blitter.h"
37 #include "fd6_format.h"
38 #include "fd6_emit.h"
39 #include "fd6_resource.h"
40 #include "fd6_pack.h"
41
42 static inline enum a6xx_2d_ifmt
43 fd6_ifmt(enum a6xx_format fmt)
44 {
45 switch (fmt) {
46 case FMT6_A8_UNORM:
47 case FMT6_8_UNORM:
48 case FMT6_8_SNORM:
49 case FMT6_8_8_UNORM:
50 case FMT6_8_8_SNORM:
51 case FMT6_8_8_8_8_UNORM:
52 case FMT6_8_8_8_X8_UNORM:
53 case FMT6_8_8_8_8_SNORM:
54 case FMT6_4_4_4_4_UNORM:
55 case FMT6_5_5_5_1_UNORM:
56 case FMT6_5_6_5_UNORM:
57 return R2D_UNORM8;
58
59 case FMT6_32_UINT:
60 case FMT6_32_SINT:
61 case FMT6_32_32_UINT:
62 case FMT6_32_32_SINT:
63 case FMT6_32_32_32_32_UINT:
64 case FMT6_32_32_32_32_SINT:
65 return R2D_INT32;
66
67 case FMT6_16_UINT:
68 case FMT6_16_SINT:
69 case FMT6_16_16_UINT:
70 case FMT6_16_16_SINT:
71 case FMT6_16_16_16_16_UINT:
72 case FMT6_16_16_16_16_SINT:
73 case FMT6_10_10_10_2_UINT:
74 return R2D_INT16;
75
76 case FMT6_8_UINT:
77 case FMT6_8_SINT:
78 case FMT6_8_8_UINT:
79 case FMT6_8_8_SINT:
80 case FMT6_8_8_8_8_UINT:
81 case FMT6_8_8_8_8_SINT:
82 case FMT6_Z24_UNORM_S8_UINT:
83 case FMT6_Z24_UNORM_S8_UINT_AS_R8G8B8A8:
84 return R2D_INT8;
85
86 case FMT6_16_UNORM:
87 case FMT6_16_SNORM:
88 case FMT6_16_16_UNORM:
89 case FMT6_16_16_SNORM:
90 case FMT6_16_16_16_16_UNORM:
91 case FMT6_16_16_16_16_SNORM:
92 case FMT6_32_FLOAT:
93 case FMT6_32_32_FLOAT:
94 case FMT6_32_32_32_32_FLOAT:
95 return R2D_FLOAT32;
96
97 case FMT6_16_FLOAT:
98 case FMT6_16_16_FLOAT:
99 case FMT6_16_16_16_16_FLOAT:
100 case FMT6_11_11_10_FLOAT:
101 case FMT6_10_10_10_2_UNORM_DEST:
102 return R2D_FLOAT16;
103
104 default:
105 unreachable("bad format");
106 return 0;
107 }
108 }
109
110 /* Make sure none of the requested dimensions extend beyond the size of the
111 * resource. Not entirely sure why this happens, but sometimes it does, and
112 * w/ 2d blt doesn't have wrap modes like a sampler, so force those cases
113 * back to u_blitter
114 */
115 static bool
116 ok_dims(const struct pipe_resource *r, const struct pipe_box *b, int lvl)
117 {
118 int last_layer =
119 r->target == PIPE_TEXTURE_3D ? u_minify(r->depth0, lvl)
120 : r->array_size;
121
122 return (b->x >= 0) && (b->x + b->width <= u_minify(r->width0, lvl)) &&
123 (b->y >= 0) && (b->y + b->height <= u_minify(r->height0, lvl)) &&
124 (b->z >= 0) && (b->z + b->depth <= last_layer);
125 }
126
127 static bool
128 ok_format(enum pipe_format pfmt)
129 {
130 enum a6xx_format fmt = fd6_pipe2color(pfmt);
131
132 if (util_format_is_compressed(pfmt))
133 return true;
134
135 switch (pfmt) {
136 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
137 case PIPE_FORMAT_Z24X8_UNORM:
138 case PIPE_FORMAT_Z16_UNORM:
139 case PIPE_FORMAT_Z32_UNORM:
140 case PIPE_FORMAT_Z32_FLOAT:
141 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
142 case PIPE_FORMAT_S8_UINT:
143 return true;
144 default:
145 break;
146 }
147
148 if (fmt == FMT6_NONE)
149 return false;
150
151 return true;
152 }
153
154 #define DEBUG_BLIT 0
155 #define DEBUG_BLIT_FALLBACK 0
156
157 #define fail_if(cond) \
158 do { \
159 if (cond) { \
160 if (DEBUG_BLIT_FALLBACK) { \
161 fprintf(stderr, "falling back: %s for blit:\n", #cond); \
162 util_dump_blit_info(stderr, info); \
163 fprintf(stderr, "\nsrc: "); \
164 util_dump_resource(stderr, info->src.resource); \
165 fprintf(stderr, "\ndst: "); \
166 util_dump_resource(stderr, info->dst.resource); \
167 fprintf(stderr, "\n"); \
168 } \
169 return false; \
170 } \
171 } while (0)
172
173 static bool
174 can_do_blit(const struct pipe_blit_info *info)
175 {
176 /* I think we can do scaling, but not in z dimension since that would
177 * require blending..
178 */
179 fail_if(info->dst.box.depth != info->src.box.depth);
180
181 /* Fail if unsupported format: */
182 fail_if(!ok_format(info->src.format));
183 fail_if(!ok_format(info->dst.format));
184
185 debug_assert(!util_format_is_compressed(info->src.format));
186 debug_assert(!util_format_is_compressed(info->dst.format));
187
188 fail_if(!ok_dims(info->src.resource, &info->src.box, info->src.level));
189
190 fail_if(!ok_dims(info->dst.resource, &info->dst.box, info->dst.level));
191
192 debug_assert(info->dst.box.width >= 0);
193 debug_assert(info->dst.box.height >= 0);
194 debug_assert(info->dst.box.depth >= 0);
195
196 fail_if(info->dst.resource->nr_samples > 1);
197
198 fail_if(info->window_rectangle_include);
199
200 const struct util_format_description *src_desc =
201 util_format_description(info->src.format);
202 const struct util_format_description *dst_desc =
203 util_format_description(info->dst.format);
204 const int common_channels = MIN2(src_desc->nr_channels, dst_desc->nr_channels);
205
206 if (info->mask & PIPE_MASK_RGBA) {
207 for (int i = 0; i < common_channels; i++) {
208 fail_if(memcmp(&src_desc->channel[i],
209 &dst_desc->channel[i],
210 sizeof(src_desc->channel[0])));
211 }
212 }
213
214 fail_if(info->alpha_blend);
215
216 return true;
217 }
218
219 static void
220 emit_setup(struct fd_batch *batch)
221 {
222 struct fd_ringbuffer *ring = batch->draw;
223
224 fd6_event_write(batch, ring, PC_CCU_FLUSH_COLOR_TS, true);
225 fd6_event_write(batch, ring, PC_CCU_FLUSH_DEPTH_TS, true);
226 fd6_event_write(batch, ring, PC_CCU_INVALIDATE_COLOR, false);
227 fd6_event_write(batch, ring, PC_CCU_INVALIDATE_DEPTH, false);
228
229 /* normal BLIT_OP_SCALE operation needs bypass RB_CCU_CNTL */
230 OUT_WFI5(ring);
231 OUT_PKT4(ring, REG_A6XX_RB_CCU_CNTL, 1);
232 OUT_RING(ring, fd6_context(batch->ctx)->magic.RB_CCU_CNTL_bypass);
233 }
234
235 static void
236 emit_blit_setup(struct fd_ringbuffer *ring,
237 enum pipe_format pfmt, bool scissor_enable, union pipe_color_union *color)
238 {
239 enum a6xx_format fmt = fd6_pipe2color(pfmt);
240 bool is_srgb = util_format_is_srgb(pfmt);
241 enum a6xx_2d_ifmt ifmt = fd6_ifmt(fmt);
242
243 OUT_PKT7(ring, CP_SET_MARKER, 1);
244 OUT_RING(ring, A6XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
245
246 if (is_srgb) {
247 assert(ifmt == R2D_UNORM8);
248 ifmt = R2D_UNORM8_SRGB;
249 }
250
251 uint32_t blit_cntl = A6XX_RB_2D_BLIT_CNTL_MASK(0xf) |
252 A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(fmt) |
253 A6XX_RB_2D_BLIT_CNTL_IFMT(ifmt) |
254 COND(color, A6XX_RB_2D_BLIT_CNTL_SOLID_COLOR) |
255 COND(scissor_enable, A6XX_RB_2D_BLIT_CNTL_SCISSOR);
256
257 OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
258 OUT_RING(ring, blit_cntl);
259
260 OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
261 OUT_RING(ring, blit_cntl);
262
263 if (fmt == FMT6_10_10_10_2_UNORM_DEST)
264 fmt = FMT6_16_16_16_16_FLOAT;
265
266 /* This register is probably badly named... it seems that it's
267 * controlling the internal/accumulator format or something like
268 * that. It's certainly not tied to only the src format.
269 */
270 OUT_PKT4(ring, REG_A6XX_SP_2D_SRC_FORMAT, 1);
271 OUT_RING(ring, A6XX_SP_2D_SRC_FORMAT_COLOR_FORMAT(fmt) |
272 COND(util_format_is_pure_sint(pfmt),
273 A6XX_SP_2D_SRC_FORMAT_SINT) |
274 COND(util_format_is_pure_uint(pfmt),
275 A6XX_SP_2D_SRC_FORMAT_UINT) |
276 COND(util_format_is_snorm(pfmt),
277 A6XX_SP_2D_SRC_FORMAT_SINT |
278 A6XX_SP_2D_SRC_FORMAT_NORM) |
279 COND(util_format_is_unorm(pfmt),
280 // TODO sometimes blob uses UINT+NORM but dEQP seems unhappy about that
281 // A6XX_SP_2D_SRC_FORMAT_UINT |
282 A6XX_SP_2D_SRC_FORMAT_NORM) |
283 COND(is_srgb, A6XX_SP_2D_SRC_FORMAT_SRGB) |
284 A6XX_SP_2D_SRC_FORMAT_MASK(0xf));
285
286 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8C01, 1);
287 OUT_RING(ring, 0);
288 }
289
290 /* buffers need to be handled specially since x/width can exceed the bounds
291 * supported by hw.. if necessary decompose into (potentially) two 2D blits
292 */
293 static void
294 emit_blit_buffer(struct fd_context *ctx, struct fd_ringbuffer *ring,
295 const struct pipe_blit_info *info)
296 {
297 const struct pipe_box *sbox = &info->src.box;
298 const struct pipe_box *dbox = &info->dst.box;
299 struct fd_resource *src, *dst;
300 unsigned sshift, dshift;
301
302 if (DEBUG_BLIT) {
303 fprintf(stderr, "buffer blit: ");
304 util_dump_blit_info(stderr, info);
305 fprintf(stderr, "\ndst resource: ");
306 util_dump_resource(stderr, info->dst.resource);
307 fprintf(stderr, "\nsrc resource: ");
308 util_dump_resource(stderr, info->src.resource);
309 fprintf(stderr, "\n");
310 }
311
312 src = fd_resource(info->src.resource);
313 dst = fd_resource(info->dst.resource);
314
315 debug_assert(src->layout.cpp == 1);
316 debug_assert(dst->layout.cpp == 1);
317 debug_assert(info->src.resource->format == info->dst.resource->format);
318 debug_assert((sbox->y == 0) && (sbox->height == 1));
319 debug_assert((dbox->y == 0) && (dbox->height == 1));
320 debug_assert((sbox->z == 0) && (sbox->depth == 1));
321 debug_assert((dbox->z == 0) && (dbox->depth == 1));
322 debug_assert(sbox->width == dbox->width);
323 debug_assert(info->src.level == 0);
324 debug_assert(info->dst.level == 0);
325
326 /*
327 * Buffers can have dimensions bigger than max width, remap into
328 * multiple 1d blits to fit within max dimension
329 *
330 * Note that blob uses .ARRAY_PITCH=128 for blitting buffers, which
331 * seems to prevent overfetch related faults. Not quite sure what
332 * the deal is there.
333 *
334 * Low 6 bits of SRC/DST addresses need to be zero (ie. address
335 * aligned to 64) so we need to shift src/dst x1/x2 to make up the
336 * difference. On top of already splitting up the blit so width
337 * isn't > 16k.
338 *
339 * We perhaps could do a bit better, if src and dst are aligned but
340 * in the worst case this means we have to split the copy up into
341 * 16k (0x4000) minus 64 (0x40).
342 */
343
344 sshift = sbox->x & 0x3f;
345 dshift = dbox->x & 0x3f;
346
347 emit_blit_setup(ring, PIPE_FORMAT_R8_UNORM, false, NULL);
348
349 for (unsigned off = 0; off < sbox->width; off += (0x4000 - 0x40)) {
350 unsigned soff, doff, w, p;
351
352 soff = (sbox->x + off) & ~0x3f;
353 doff = (dbox->x + off) & ~0x3f;
354
355 w = MIN2(sbox->width - off, (0x4000 - 0x40));
356 p = align(w, 64);
357
358 debug_assert((soff + w) <= fd_bo_size(src->bo));
359 debug_assert((doff + w) <= fd_bo_size(dst->bo));
360
361 /*
362 * Emit source:
363 */
364 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 10);
365 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(FMT6_8_UNORM) |
366 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(TILE6_LINEAR) |
367 A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(WZYX) |
368 0x500000);
369 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(sshift + w) |
370 A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(1)); /* SP_PS_2D_SRC_SIZE */
371 OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
372 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(p));
373
374 OUT_RING(ring, 0x00000000);
375 OUT_RING(ring, 0x00000000);
376 OUT_RING(ring, 0x00000000);
377 OUT_RING(ring, 0x00000000);
378 OUT_RING(ring, 0x00000000);
379
380 /*
381 * Emit destination:
382 */
383 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
384 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(FMT6_8_UNORM) |
385 A6XX_RB_2D_DST_INFO_TILE_MODE(TILE6_LINEAR) |
386 A6XX_RB_2D_DST_INFO_COLOR_SWAP(WZYX));
387 OUT_RELOC(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
388 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(p));
389 OUT_RING(ring, 0x00000000);
390 OUT_RING(ring, 0x00000000);
391 OUT_RING(ring, 0x00000000);
392 OUT_RING(ring, 0x00000000);
393 OUT_RING(ring, 0x00000000);
394
395 /*
396 * Blit command:
397 */
398 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
399 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sshift));
400 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sshift + w - 1));
401 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(0));
402 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(0));
403
404 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
405 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dshift) | A6XX_GRAS_2D_DST_TL_Y(0));
406 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dshift + w - 1) | A6XX_GRAS_2D_DST_BR_Y(0));
407
408 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
409 OUT_RING(ring, 0x3f);
410 OUT_WFI5(ring);
411
412 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
413 OUT_RING(ring, fd6_context(ctx)->magic.RB_UNKNOWN_8E04_blit);
414
415 OUT_PKT7(ring, CP_BLIT, 1);
416 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
417
418 OUT_WFI5(ring);
419
420 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
421 OUT_RING(ring, 0); /* RB_UNKNOWN_8E04 */
422 }
423 }
424
425 static void
426 emit_blit_dst(struct fd_ringbuffer *ring, const struct pipe_blit_info *info, unsigned layer)
427 {
428 struct fd_resource *dst = fd_resource(info->dst.resource);
429 enum a6xx_format fmt = fd6_pipe2color(info->dst.format);
430 enum a6xx_tile_mode tile = fd_resource_tile_mode(info->dst.resource, info->dst.level);
431 enum a3xx_color_swap swap = fd6_resource_swap(dst, info->dst.format);
432 uint32_t pitch = fd_resource_pitch(dst, info->dst.level);
433 bool ubwc_enabled = fd_resource_ubwc_enabled(dst, info->dst.level);
434 unsigned off = fd_resource_offset(dst, info->dst.level, layer);
435
436 if (fmt == FMT6_Z24_UNORM_S8_UINT)
437 fmt = FMT6_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
438
439 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
440 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(fmt) |
441 A6XX_RB_2D_DST_INFO_TILE_MODE(tile) |
442 A6XX_RB_2D_DST_INFO_COLOR_SWAP(swap) |
443 COND(util_format_is_srgb(info->dst.format), A6XX_RB_2D_DST_INFO_SRGB) |
444 COND(ubwc_enabled, A6XX_RB_2D_DST_INFO_FLAGS));
445 OUT_RELOC(ring, dst->bo, off, 0, 0); /* RB_2D_DST_LO/HI */
446 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(pitch));
447 OUT_RING(ring, 0x00000000);
448 OUT_RING(ring, 0x00000000);
449 OUT_RING(ring, 0x00000000);
450 OUT_RING(ring, 0x00000000);
451 OUT_RING(ring, 0x00000000);
452
453 if (ubwc_enabled) {
454 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_FLAGS_LO, 6);
455 fd6_emit_flag_reference(ring, dst, info->dst.level, layer);
456 OUT_RING(ring, 0x00000000);
457 OUT_RING(ring, 0x00000000);
458 OUT_RING(ring, 0x00000000);
459 }
460 }
461
462 static void
463 emit_blit_src(struct fd_ringbuffer *ring, const struct pipe_blit_info *info, unsigned layer, unsigned nr_samples)
464 {
465 struct fd_resource *src = fd_resource(info->src.resource);
466 enum a6xx_format sfmt = fd6_pipe2color(info->src.format);
467 enum a6xx_tile_mode stile = fd_resource_tile_mode(info->src.resource, info->src.level);
468 enum a3xx_color_swap sswap = fd6_resource_swap(src, info->src.format);
469 uint32_t pitch = fd_resource_pitch(src, info->src.level);
470 bool subwc_enabled = fd_resource_ubwc_enabled(src, info->src.level);
471 unsigned soff = fd_resource_offset(src, info->src.level, layer);
472 uint32_t width = u_minify(src->base.width0, info->src.level) * nr_samples;
473 uint32_t height = u_minify(src->base.height0, info->src.level);
474 uint32_t filter = 0;
475
476 if (info->filter == PIPE_TEX_FILTER_LINEAR)
477 filter = A6XX_SP_PS_2D_SRC_INFO_FILTER;
478
479 enum a3xx_msaa_samples samples = fd_msaa_samples(src->base.nr_samples);
480
481 if (sfmt == FMT6_10_10_10_2_UNORM_DEST)
482 sfmt = FMT6_10_10_10_2_UNORM;
483
484 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 10);
485 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
486 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(stile) |
487 A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(sswap) |
488 A6XX_SP_PS_2D_SRC_INFO_SAMPLES(samples) |
489 COND(samples > MSAA_ONE && (info->mask & PIPE_MASK_RGBA),
490 A6XX_SP_PS_2D_SRC_INFO_SAMPLES_AVERAGE) |
491 COND(subwc_enabled, A6XX_SP_PS_2D_SRC_INFO_FLAGS) |
492 COND(util_format_is_srgb(info->src.format), A6XX_SP_PS_2D_SRC_INFO_SRGB) |
493 0x500000 | filter);
494 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(width) |
495 A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(height)); /* SP_PS_2D_SRC_SIZE */
496 OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
497 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(pitch));
498
499 OUT_RING(ring, 0x00000000);
500 OUT_RING(ring, 0x00000000);
501 OUT_RING(ring, 0x00000000);
502 OUT_RING(ring, 0x00000000);
503 OUT_RING(ring, 0x00000000);
504
505 if (subwc_enabled) {
506 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_FLAGS_LO, 6);
507 fd6_emit_flag_reference(ring, src, info->src.level, layer);
508 OUT_RING(ring, 0x00000000);
509 OUT_RING(ring, 0x00000000);
510 OUT_RING(ring, 0x00000000);
511 }
512 }
513
514 static void
515 emit_blit_or_clear_texture(struct fd_context *ctx, struct fd_ringbuffer *ring,
516 const struct pipe_blit_info *info, union pipe_color_union *color)
517 {
518 const struct pipe_box *sbox = &info->src.box;
519 const struct pipe_box *dbox = &info->dst.box;
520 struct fd_resource *dst;
521 enum a6xx_format dfmt;
522 int sx1, sy1, sx2, sy2;
523 int dx1, dy1, dx2, dy2;
524
525 if (DEBUG_BLIT) {
526 fprintf(stderr, "texture blit: ");
527 util_dump_blit_info(stderr, info);
528 fprintf(stderr, "\ndst resource: ");
529 util_dump_resource(stderr, info->dst.resource);
530 fprintf(stderr, "\nsrc resource: ");
531 util_dump_resource(stderr, info->src.resource);
532 fprintf(stderr, "\n");
533 }
534
535 dst = fd_resource(info->dst.resource);
536
537 dfmt = fd6_pipe2color(info->dst.format);
538
539 uint32_t nr_samples = fd_resource_nr_samples(&dst->base);
540
541 if (!color) {
542 sx1 = sbox->x * nr_samples;
543 sy1 = sbox->y;
544 sx2 = (sbox->x + sbox->width) * nr_samples - 1;
545 sy2 = sbox->y + sbox->height - 1;
546
547 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
548 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sx1));
549 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sx2));
550 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(sy1));
551 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(sy2));
552 }
553
554 dx1 = dbox->x * nr_samples;
555 dy1 = dbox->y;
556 dx2 = (dbox->x + dbox->width) * nr_samples - 1;
557 dy2 = dbox->y + dbox->height - 1;
558
559 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
560 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dx1) | A6XX_GRAS_2D_DST_TL_Y(dy1));
561 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dx2) | A6XX_GRAS_2D_DST_BR_Y(dy2));
562
563 if (color) {
564 switch (info->dst.format) {
565 case PIPE_FORMAT_Z24X8_UNORM:
566 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
567 case PIPE_FORMAT_X24S8_UINT: {
568 uint32_t depth_unorm24 = color->f[0] * ((1u << 24) - 1);
569 uint8_t stencil = color->ui[1];
570 color->ui[0] = depth_unorm24 & 0xff;
571 color->ui[1] = (depth_unorm24 >> 8) & 0xff;
572 color->ui[2] = (depth_unorm24 >> 16) & 0xff;
573 color->ui[3] = stencil;
574 break;
575 }
576 default:
577 break;
578 }
579
580 OUT_PKT4(ring, REG_A6XX_RB_2D_SRC_SOLID_C0, 4);
581
582 switch (fd6_ifmt(dfmt)) {
583 case R2D_UNORM8:
584 case R2D_UNORM8_SRGB:
585 OUT_RING(ring, float_to_ubyte(color->f[0]));
586 OUT_RING(ring, float_to_ubyte(color->f[1]));
587 OUT_RING(ring, float_to_ubyte(color->f[2]));
588 OUT_RING(ring, float_to_ubyte(color->f[3]));
589 break;
590 case R2D_FLOAT16:
591 OUT_RING(ring, _mesa_float_to_half(color->f[0]));
592 OUT_RING(ring, _mesa_float_to_half(color->f[1]));
593 OUT_RING(ring, _mesa_float_to_half(color->f[2]));
594 OUT_RING(ring, _mesa_float_to_half(color->f[3]));
595 break;
596 case R2D_FLOAT32:
597 case R2D_INT32:
598 case R2D_INT16:
599 case R2D_INT8:
600 default:
601 OUT_RING(ring, color->ui[0]);
602 OUT_RING(ring, color->ui[1]);
603 OUT_RING(ring, color->ui[2]);
604 OUT_RING(ring, color->ui[3]);
605 break;
606 }
607 }
608
609 if (info->scissor_enable) {
610 OUT_PKT4(ring, REG_A6XX_GRAS_RESOLVE_CNTL_1, 2);
611 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.minx) |
612 A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.miny));
613 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.maxx - 1) |
614 A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.maxy - 1));
615 }
616
617 emit_blit_setup(ring, info->dst.format, info->scissor_enable, color);
618
619 for (unsigned i = 0; i < info->dst.box.depth; i++) {
620
621 if (!color)
622 emit_blit_src(ring, info, sbox->z + i, nr_samples);
623
624 emit_blit_dst(ring, info, dbox->z + i);
625
626 /*
627 * Blit command:
628 */
629 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
630 OUT_RING(ring, 0x3f);
631 OUT_WFI5(ring);
632
633 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
634 OUT_RING(ring, fd6_context(ctx)->magic.RB_UNKNOWN_8E04_blit);
635
636 OUT_PKT7(ring, CP_BLIT, 1);
637 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
638
639 OUT_WFI5(ring);
640
641 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
642 OUT_RING(ring, 0); /* RB_UNKNOWN_8E04 */
643 }
644 }
645
646 void
647 fd6_clear_surface(struct fd_context *ctx,
648 struct fd_ringbuffer *ring, struct pipe_surface *psurf,
649 uint32_t width, uint32_t height, union pipe_color_union *color)
650 {
651 struct pipe_blit_info info = {};
652
653 info.dst.resource = psurf->texture;
654 info.dst.level = psurf->u.tex.level;
655 info.dst.box.x = 0;
656 info.dst.box.y = 0;
657 info.dst.box.z = psurf->u.tex.first_layer;
658 info.dst.box.width = width;
659 info.dst.box.height = height;
660 info.dst.box.depth = psurf->u.tex.last_layer + 1 - psurf->u.tex.first_layer;
661 info.dst.format = psurf->format;
662 info.src = info.dst;
663 info.mask = util_format_get_mask(psurf->format);
664 info.filter = PIPE_TEX_FILTER_NEAREST;
665 info.scissor_enable = 0;
666
667 emit_blit_or_clear_texture(ctx, ring, &info, color);
668 }
669
670 static bool
671 handle_rgba_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
672 {
673 struct fd_batch *batch;
674
675 debug_assert(!(info->mask & PIPE_MASK_ZS));
676
677 if (!can_do_blit(info))
678 return false;
679
680 batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx, true);
681
682 fd6_emit_restore(batch, batch->draw);
683 fd6_emit_lrz_flush(batch->draw);
684
685 fd_screen_lock(ctx->screen);
686
687 fd_batch_resource_read(batch, fd_resource(info->src.resource));
688 fd_batch_resource_write(batch, fd_resource(info->dst.resource));
689
690 fd_screen_unlock(ctx->screen);
691
692 /* Clearing last_fence must come after the batch dependency tracking
693 * (resource_read()/resource_write()), as that can trigger a flush,
694 * re-populating last_fence
695 */
696 fd_fence_ref(&ctx->last_fence, NULL);
697
698 fd_batch_set_stage(batch, FD_STAGE_BLIT);
699
700 fd_log_stream(batch, stream, util_dump_blit_info(stream, info));
701
702 emit_setup(batch);
703
704 if ((info->src.resource->target == PIPE_BUFFER) &&
705 (info->dst.resource->target == PIPE_BUFFER)) {
706 assert(fd_resource(info->src.resource)->layout.tile_mode == TILE6_LINEAR);
707 assert(fd_resource(info->dst.resource)->layout.tile_mode == TILE6_LINEAR);
708 fd_log(batch, "START BLIT (BUFFER)");
709 emit_blit_buffer(ctx, batch->draw, info);
710 fd_log(batch, "END BLIT (BUFFER)");
711 } else {
712 /* I don't *think* we need to handle blits between buffer <-> !buffer */
713 debug_assert(info->src.resource->target != PIPE_BUFFER);
714 debug_assert(info->dst.resource->target != PIPE_BUFFER);
715 fd_log(batch, "START BLIT (TEXTURE)");
716 emit_blit_or_clear_texture(ctx, batch->draw, info, NULL);
717 fd_log(batch, "END BLIT (TEXTURE)");
718 }
719
720 fd6_event_write(batch, batch->draw, PC_CCU_FLUSH_COLOR_TS, true);
721 fd6_event_write(batch, batch->draw, PC_CCU_FLUSH_DEPTH_TS, true);
722 fd6_event_write(batch, batch->draw, CACHE_FLUSH_TS, true);
723 fd6_cache_inv(batch, batch->draw);
724
725 fd_resource(info->dst.resource)->valid = true;
726 batch->needs_flush = true;
727
728 fd_batch_flush(batch);
729 fd_batch_reference(&batch, NULL);
730
731 return true;
732 }
733
734 /**
735 * Re-written z/s blits can still fail for various reasons (for example MSAA).
736 * But we want to do the fallback blit with the re-written pipe_blit_info,
737 * in particular as u_blitter cannot blit stencil. So handle the fallback
738 * ourself and never "fail".
739 */
740 static bool
741 do_rewritten_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
742 {
743 bool success = handle_rgba_blit(ctx, info);
744 if (!success)
745 success = fd_blitter_blit(ctx, info);
746 debug_assert(success); /* fallback should never fail! */
747 return success;
748 }
749
750 /**
751 * Handle depth/stencil blits either via u_blitter and/or re-writing the
752 * blit into an equivilant format that we can handle
753 */
754 static bool
755 handle_zs_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
756 {
757 struct pipe_blit_info blit = *info;
758
759 if (DEBUG_BLIT) {
760 fprintf(stderr, "---- handle_zs_blit: ");
761 util_dump_blit_info(stderr, info);
762 fprintf(stderr, "\ndst resource: ");
763 util_dump_resource(stderr, info->dst.resource);
764 fprintf(stderr, "\nsrc resource: ");
765 util_dump_resource(stderr, info->src.resource);
766 fprintf(stderr, "\n");
767 }
768
769 switch (info->dst.format) {
770 case PIPE_FORMAT_S8_UINT:
771 debug_assert(info->mask == PIPE_MASK_S);
772 blit.mask = PIPE_MASK_R;
773 blit.src.format = PIPE_FORMAT_R8_UINT;
774 blit.dst.format = PIPE_FORMAT_R8_UINT;
775 return do_rewritten_blit(ctx, &blit);
776
777 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
778 if (info->mask & PIPE_MASK_Z) {
779 blit.mask = PIPE_MASK_R;
780 blit.src.format = PIPE_FORMAT_R32_FLOAT;
781 blit.dst.format = PIPE_FORMAT_R32_FLOAT;
782 do_rewritten_blit(ctx, &blit);
783 }
784
785 if (info->mask & PIPE_MASK_S) {
786 blit.mask = PIPE_MASK_R;
787 blit.src.format = PIPE_FORMAT_R8_UINT;
788 blit.dst.format = PIPE_FORMAT_R8_UINT;
789 blit.src.resource = &fd_resource(info->src.resource)->stencil->base;
790 blit.dst.resource = &fd_resource(info->dst.resource)->stencil->base;
791 do_rewritten_blit(ctx, &blit);
792 }
793
794 return true;
795
796 case PIPE_FORMAT_Z16_UNORM:
797 blit.mask = PIPE_MASK_R;
798 blit.src.format = PIPE_FORMAT_R16_UNORM;
799 blit.dst.format = PIPE_FORMAT_R16_UNORM;
800 return do_rewritten_blit(ctx, &blit);
801
802 case PIPE_FORMAT_Z32_UNORM:
803 case PIPE_FORMAT_Z32_FLOAT:
804 debug_assert(info->mask == PIPE_MASK_Z);
805 blit.mask = PIPE_MASK_R;
806 blit.src.format = PIPE_FORMAT_R32_UINT;
807 blit.dst.format = PIPE_FORMAT_R32_UINT;
808 return do_rewritten_blit(ctx, &blit);
809
810 case PIPE_FORMAT_Z24X8_UNORM:
811 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
812 blit.mask = 0;
813 if (info->mask & PIPE_MASK_Z)
814 blit.mask |= PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B;
815 if (info->mask & PIPE_MASK_S)
816 blit.mask |= PIPE_MASK_A;
817 blit.src.format = PIPE_FORMAT_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
818 blit.dst.format = PIPE_FORMAT_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
819 return fd_blitter_blit(ctx, &blit);
820
821 default:
822 return false;
823 }
824 }
825
826 static bool
827 handle_compressed_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
828 {
829 struct pipe_blit_info blit = *info;
830
831 if (DEBUG_BLIT) {
832 fprintf(stderr, "---- handle_compressed_blit: ");
833 util_dump_blit_info(stderr, info);
834 fprintf(stderr, "\ndst resource: ");
835 util_dump_resource(stderr, info->dst.resource);
836 fprintf(stderr, "\nsrc resource: ");
837 util_dump_resource(stderr, info->src.resource);
838 fprintf(stderr, "\n");
839 }
840
841 if (info->src.format != info->dst.format)
842 return fd_blitter_blit(ctx, info);
843
844 if (util_format_get_blocksize(info->src.format) == 8) {
845 blit.src.format = blit.dst.format = PIPE_FORMAT_R16G16B16A16_UINT;
846 } else {
847 debug_assert(util_format_get_blocksize(info->src.format) == 16);
848 blit.src.format = blit.dst.format = PIPE_FORMAT_R32G32B32A32_UINT;
849 }
850
851 int bw = util_format_get_blockwidth(info->src.format);
852 int bh = util_format_get_blockheight(info->src.format);
853
854 /* NOTE: x/y *must* be aligned to block boundary (ie. in
855 * glCompressedTexSubImage2D()) but width/height may not
856 * be:
857 */
858
859 debug_assert((blit.src.box.x % bw) == 0);
860 debug_assert((blit.src.box.y % bh) == 0);
861
862 blit.src.box.x /= bw;
863 blit.src.box.y /= bh;
864 blit.src.box.width = DIV_ROUND_UP(blit.src.box.width, bw);
865 blit.src.box.height = DIV_ROUND_UP(blit.src.box.height, bh);
866
867 debug_assert((blit.dst.box.x % bw) == 0);
868 debug_assert((blit.dst.box.y % bh) == 0);
869
870 blit.dst.box.x /= bw;
871 blit.dst.box.y /= bh;
872 blit.dst.box.width = DIV_ROUND_UP(blit.dst.box.width, bw);
873 blit.dst.box.height = DIV_ROUND_UP(blit.dst.box.height, bh);
874
875 return do_rewritten_blit(ctx, &blit);
876 }
877
878 static bool
879 fd6_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
880 {
881 if (info->mask & PIPE_MASK_ZS)
882 return handle_zs_blit(ctx, info);
883 if (util_format_is_compressed(info->src.format) ||
884 util_format_is_compressed(info->dst.format))
885 return handle_compressed_blit(ctx, info);
886
887 return handle_rgba_blit(ctx, info);
888 }
889
890 void
891 fd6_blitter_init(struct pipe_context *pctx)
892 {
893 if (fd_mesa_debug & FD_DBG_NOBLIT)
894 return;
895
896 fd_context(pctx)->blit = fd6_blit;
897 }
898
899 unsigned
900 fd6_tile_mode(const struct pipe_resource *tmpl)
901 {
902 /* if the mipmap level 0 is still too small to be tiled, then don't
903 * bother pretending:
904 */
905 if (fd_resource_level_linear(tmpl, 0))
906 return TILE6_LINEAR;
907
908 /* basically just has to be a format we can blit, so uploads/downloads
909 * via linear staging buffer works:
910 */
911 if (ok_format(tmpl->format))
912 return TILE6_3;
913
914 return TILE6_LINEAR;
915 }