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[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
30 #include "freedreno_blitter.h"
31 #include "freedreno_fence.h"
32 #include "freedreno_resource.h"
33
34 #include "fd6_blitter.h"
35 #include "fd6_format.h"
36 #include "fd6_emit.h"
37
38 /* Make sure none of the requested dimensions extend beyond the size of the
39 * resource. Not entirely sure why this happens, but sometimes it does, and
40 * w/ 2d blt doesn't have wrap modes like a sampler, so force those cases
41 * back to u_blitter
42 */
43 static bool
44 ok_dims(const struct pipe_resource *r, const struct pipe_box *b, int lvl)
45 {
46 int last_layer =
47 r->target == PIPE_TEXTURE_3D ? u_minify(r->depth0, lvl)
48 : r->array_size;
49
50 return (b->x >= 0) && (b->x + b->width <= u_minify(r->width0, lvl)) &&
51 (b->y >= 0) && (b->y + b->height <= u_minify(r->height0, lvl)) &&
52 (b->z >= 0) && (b->z + b->depth <= last_layer);
53 }
54
55 static bool
56 ok_format(enum pipe_format pfmt)
57 {
58 enum a6xx_color_fmt fmt = fd6_pipe2color(pfmt);
59
60 switch (pfmt) {
61 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
62 case PIPE_FORMAT_Z24X8_UNORM:
63 case PIPE_FORMAT_Z16_UNORM:
64 case PIPE_FORMAT_Z32_UNORM:
65 case PIPE_FORMAT_Z32_FLOAT:
66 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
67 case PIPE_FORMAT_S8_UINT:
68 return true;
69 default:
70 break;
71 }
72
73 if (fmt == ~0)
74 return false;
75
76 if (fd6_ifmt(fmt) == 0)
77 return false;
78
79 return true;
80 }
81
82 #define DEBUG_BLIT_FALLBACK 0
83 #define fail_if(cond) \
84 do { \
85 if (cond) { \
86 if (DEBUG_BLIT_FALLBACK) { \
87 fprintf(stderr, "falling back: %s for blit:\n", #cond); \
88 util_dump_blit_info(stderr, info); \
89 fprintf(stderr, "\nsrc: "); \
90 util_dump_resource(stderr, info->src.resource); \
91 fprintf(stderr, "\ndst: "); \
92 util_dump_resource(stderr, info->dst.resource); \
93 fprintf(stderr, "\n"); \
94 } \
95 return false; \
96 } \
97 } while (0)
98
99 static bool
100 can_do_blit(const struct pipe_blit_info *info)
101 {
102 /* I think we can do scaling, but not in z dimension since that would
103 * require blending..
104 */
105 fail_if(info->dst.box.depth != info->src.box.depth);
106
107 /* Fail if unsupported format: */
108 fail_if(!ok_format(info->src.format));
109 fail_if(!ok_format(info->dst.format));
110
111 /* We can blit if both or neither formats are compressed formats... */
112 fail_if(util_format_is_compressed(info->src.format) !=
113 util_format_is_compressed(info->src.format));
114
115 /* ... but only if they're the same compression format. */
116 fail_if(util_format_is_compressed(info->src.format) &&
117 info->src.format != info->dst.format);
118
119 fail_if(!ok_dims(info->src.resource, &info->src.box, info->src.level));
120
121 fail_if(!ok_dims(info->dst.resource, &info->dst.box, info->dst.level));
122
123 debug_assert(info->dst.box.width >= 0);
124 debug_assert(info->dst.box.height >= 0);
125 debug_assert(info->dst.box.depth >= 0);
126
127 /* We could probably blit between resources with equal sample count.. */
128 fail_if(info->dst.resource->nr_samples > 1);
129
130 /* CP_BLIT supports resolving, but seems to pick one only of the samples
131 * (no blending). This doesn't work for RGBA resolves, so we fall back in
132 * that case. However, GL/GLES spec says:
133 *
134 * "If the source formats are integer types or stencil values, a single
135 * sample’s value is selected for each pixel. If the source formats are
136 * floating-point or normalized types, the sample values for each pixel
137 * are resolved in an implementationdependent manner. If the source
138 * formats are depth values, sample values are resolved in an
139 * implementation-dependent manner where the result will be between the
140 * minimum and maximum depth values in the pixel."
141 *
142 * so do those with CP_BLIT.
143 *
144 * TODO since we re-write z/s blits to RGBA, we'll fail this check in some
145 * cases where we don't need to.
146 */
147 fail_if((info->mask & PIPE_MASK_RGBA) &&
148 info->src.resource->nr_samples > 1);
149
150 fail_if(info->window_rectangle_include);
151
152 fail_if(util_format_is_srgb(info->src.format));
153 fail_if(util_format_is_srgb(info->dst.format));
154
155 const struct util_format_description *src_desc =
156 util_format_description(info->src.format);
157 const struct util_format_description *dst_desc =
158 util_format_description(info->dst.format);
159 const int common_channels = MIN2(src_desc->nr_channels, dst_desc->nr_channels);
160
161 if (info->mask & PIPE_MASK_RGBA) {
162 for (int i = 0; i < common_channels; i++) {
163 fail_if(memcmp(&src_desc->channel[i],
164 &dst_desc->channel[i],
165 sizeof(src_desc->channel[0])));
166 }
167 }
168
169 fail_if(info->alpha_blend);
170
171 return true;
172 }
173
174 static void
175 emit_setup(struct fd_batch *batch)
176 {
177 struct fd_ringbuffer *ring = batch->draw;
178
179 fd6_event_write(batch, ring, 0x1d, true);
180 fd6_event_write(batch, ring, FACENESS_FLUSH, true);
181 fd6_event_write(batch, ring, PC_CCU_INVALIDATE_COLOR, false);
182 fd6_event_write(batch, ring, PC_CCU_INVALIDATE_DEPTH, false);
183 }
184
185 static uint32_t
186 blit_control(enum a6xx_color_fmt fmt)
187 {
188 unsigned blit_cntl = 0xf00000;
189 blit_cntl |= A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(fmt);
190 blit_cntl |= A6XX_RB_2D_BLIT_CNTL_IFMT(fd6_ifmt(fmt));
191 return blit_cntl;
192 }
193
194 /* buffers need to be handled specially since x/width can exceed the bounds
195 * supported by hw.. if necessary decompose into (potentially) two 2D blits
196 */
197 static void
198 emit_blit_buffer(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
199 {
200 const struct pipe_box *sbox = &info->src.box;
201 const struct pipe_box *dbox = &info->dst.box;
202 struct fd_resource *src, *dst;
203 unsigned sshift, dshift;
204
205 if (DEBUG_BLIT_FALLBACK) {
206 fprintf(stderr, "buffer blit: ");
207 util_dump_blit_info(stderr, info);
208 fprintf(stderr, "\ndst resource: ");
209 util_dump_resource(stderr, info->dst.resource);
210 fprintf(stderr, "\nsrc resource: ");
211 util_dump_resource(stderr, info->src.resource);
212 fprintf(stderr, "\n");
213 }
214
215 src = fd_resource(info->src.resource);
216 dst = fd_resource(info->dst.resource);
217
218 debug_assert(src->cpp == 1);
219 debug_assert(dst->cpp == 1);
220 debug_assert(info->src.resource->format == info->dst.resource->format);
221 debug_assert((sbox->y == 0) && (sbox->height == 1));
222 debug_assert((dbox->y == 0) && (dbox->height == 1));
223 debug_assert((sbox->z == 0) && (sbox->depth == 1));
224 debug_assert((dbox->z == 0) && (dbox->depth == 1));
225 debug_assert(sbox->width == dbox->width);
226 debug_assert(info->src.level == 0);
227 debug_assert(info->dst.level == 0);
228
229 /*
230 * Buffers can have dimensions bigger than max width, remap into
231 * multiple 1d blits to fit within max dimension
232 *
233 * Note that blob uses .ARRAY_PITCH=128 for blitting buffers, which
234 * seems to prevent overfetch related faults. Not quite sure what
235 * the deal is there.
236 *
237 * Low 6 bits of SRC/DST addresses need to be zero (ie. address
238 * aligned to 64) so we need to shift src/dst x1/x2 to make up the
239 * difference. On top of already splitting up the blit so width
240 * isn't > 16k.
241 *
242 * We perhaps could do a bit better, if src and dst are aligned but
243 * in the worst case this means we have to split the copy up into
244 * 16k (0x4000) minus 64 (0x40).
245 */
246
247 sshift = sbox->x & 0x3f;
248 dshift = dbox->x & 0x3f;
249
250 OUT_PKT7(ring, CP_SET_MARKER, 1);
251 OUT_RING(ring, A6XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
252
253 uint32_t blit_cntl = blit_control(RB6_R8_UNORM) | 0x20000000;
254 OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
255 OUT_RING(ring, blit_cntl);
256
257 OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
258 OUT_RING(ring, blit_cntl);
259
260 for (unsigned off = 0; off < sbox->width; off += (0x4000 - 0x40)) {
261 unsigned soff, doff, w, p;
262
263 soff = (sbox->x + off) & ~0x3f;
264 doff = (dbox->x + off) & ~0x3f;
265
266 w = MIN2(sbox->width - off, (0x4000 - 0x40));
267 p = align(w, 64);
268
269 debug_assert((soff + w) <= fd_bo_size(src->bo));
270 debug_assert((doff + w) <= fd_bo_size(dst->bo));
271
272 /*
273 * Emit source:
274 */
275 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 10);
276 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
277 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(TILE6_LINEAR) |
278 A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(WZYX) |
279 0x500000);
280 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(sshift + w) |
281 A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(1)); /* SP_PS_2D_SRC_SIZE */
282 OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
283 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(p));
284
285 OUT_RING(ring, 0x00000000);
286 OUT_RING(ring, 0x00000000);
287 OUT_RING(ring, 0x00000000);
288 OUT_RING(ring, 0x00000000);
289 OUT_RING(ring, 0x00000000);
290
291 /*
292 * Emit destination:
293 */
294 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
295 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
296 A6XX_RB_2D_DST_INFO_TILE_MODE(TILE6_LINEAR) |
297 A6XX_RB_2D_DST_INFO_COLOR_SWAP(WZYX));
298 OUT_RELOCW(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
299 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(p));
300 OUT_RING(ring, 0x00000000);
301 OUT_RING(ring, 0x00000000);
302 OUT_RING(ring, 0x00000000);
303 OUT_RING(ring, 0x00000000);
304 OUT_RING(ring, 0x00000000);
305
306 /*
307 * Blit command:
308 */
309 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
310 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sshift));
311 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sshift + w - 1));
312 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(0));
313 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(0));
314
315 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
316 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dshift) | A6XX_GRAS_2D_DST_TL_Y(0));
317 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dshift + w - 1) | A6XX_GRAS_2D_DST_BR_Y(0));
318
319 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
320 OUT_RING(ring, 0x3f);
321 OUT_WFI5(ring);
322
323 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8C01, 1);
324 OUT_RING(ring, 0);
325
326 OUT_PKT4(ring, REG_A6XX_SP_2D_SRC_FORMAT, 1);
327 OUT_RING(ring, 0xf180);
328
329 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
330 OUT_RING(ring, 0x01000000);
331
332 OUT_PKT7(ring, CP_BLIT, 1);
333 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
334
335 OUT_WFI5(ring);
336
337 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
338 OUT_RING(ring, 0);
339 }
340 }
341
342 static void
343 emit_blit_texture(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
344 {
345 const struct pipe_box *sbox = &info->src.box;
346 const struct pipe_box *dbox = &info->dst.box;
347 struct fd_resource *src, *dst;
348 struct fd_resource_slice *sslice, *dslice;
349 enum a6xx_color_fmt sfmt, dfmt;
350 enum a6xx_tile_mode stile, dtile;
351 enum a3xx_color_swap sswap, dswap;
352 unsigned spitch, dpitch;
353 int sx1, sy1, sx2, sy2;
354 int dx1, dy1, dx2, dy2;
355
356 if (DEBUG_BLIT_FALLBACK) {
357 fprintf(stderr, "texture blit: ");
358 util_dump_blit_info(stderr, info);
359 fprintf(stderr, "\ndst resource: ");
360 util_dump_resource(stderr, info->dst.resource);
361 fprintf(stderr, "\nsrc resource: ");
362 util_dump_resource(stderr, info->src.resource);
363 fprintf(stderr, "\n");
364 }
365
366 src = fd_resource(info->src.resource);
367 dst = fd_resource(info->dst.resource);
368
369 sslice = fd_resource_slice(src, info->src.level);
370 dslice = fd_resource_slice(dst, info->dst.level);
371
372 sfmt = fd6_pipe2color(info->src.format);
373 dfmt = fd6_pipe2color(info->dst.format);
374
375 int blocksize = util_format_get_blocksize(info->src.format);
376 int blockwidth = util_format_get_blockwidth(info->src.format);
377 int blockheight = util_format_get_blockheight(info->src.format);
378 int nelements;
379
380 stile = fd_resource_level_linear(info->src.resource, info->src.level) ?
381 TILE6_LINEAR : src->tile_mode;
382 dtile = fd_resource_level_linear(info->dst.resource, info->dst.level) ?
383 TILE6_LINEAR : dst->tile_mode;
384
385 sswap = stile ? WZYX : fd6_pipe2swap(info->src.format);
386 dswap = dtile ? WZYX : fd6_pipe2swap(info->dst.format);
387
388 if (util_format_is_compressed(info->src.format)) {
389 debug_assert(info->src.format == info->dst.format);
390 sfmt = dfmt = RB6_R8_UNORM;
391 nelements = blocksize;
392 } else {
393 debug_assert(!util_format_is_compressed(info->dst.format));
394 nelements = 1;
395 }
396
397 spitch = DIV_ROUND_UP(sslice->pitch, blockwidth) * src->cpp;
398 dpitch = DIV_ROUND_UP(dslice->pitch, blockwidth) * dst->cpp;
399
400 sx1 = sbox->x / blockwidth * nelements;
401 sy1 = sbox->y / blockheight;
402 sx2 = DIV_ROUND_UP(sbox->x + sbox->width, blockwidth) * nelements - 1;
403 sy2 = DIV_ROUND_UP(sbox->y + sbox->height, blockheight) - 1;
404
405 dx1 = dbox->x / blockwidth * nelements;
406 dy1 = dbox->y / blockheight;
407 dx2 = DIV_ROUND_UP(dbox->x + dbox->width, blockwidth) * nelements - 1;
408 dy2 = DIV_ROUND_UP(dbox->y + dbox->height, blockheight) - 1;
409
410 uint32_t width = DIV_ROUND_UP(u_minify(src->base.width0, info->src.level), blockwidth) * nelements;
411 uint32_t height = DIV_ROUND_UP(u_minify(src->base.height0, info->src.level), blockheight);
412
413 OUT_PKT7(ring, CP_SET_MARKER, 1);
414 OUT_RING(ring, A6XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
415
416 uint32_t blit_cntl = blit_control(dfmt);
417
418 if (dtile != stile)
419 blit_cntl |= 0x20000000;
420
421 if (info->scissor_enable) {
422 OUT_PKT4(ring, REG_A6XX_GRAS_RESOLVE_CNTL_1, 2);
423 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.minx) |
424 A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.miny));
425 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.maxx - 1) |
426 A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.maxy - 1));
427 blit_cntl |= A6XX_RB_2D_BLIT_CNTL_SCISSOR;
428 }
429
430 OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
431 OUT_RING(ring, blit_cntl);
432
433 OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
434 OUT_RING(ring, blit_cntl);
435
436 for (unsigned i = 0; i < info->dst.box.depth; i++) {
437 unsigned soff = fd_resource_offset(src, info->src.level, sbox->z + i);
438 unsigned doff = fd_resource_offset(dst, info->dst.level, dbox->z + i);
439 unsigned subwcoff = fd_resource_ubwc_offset(src, info->src.level, sbox->z + i);
440 unsigned dubwcoff = fd_resource_ubwc_offset(dst, info->dst.level, dbox->z + i);
441 bool subwc_enabled = fd_resource_ubwc_enabled(src, info->src.level);
442 bool dubwc_enabled = fd_resource_ubwc_enabled(dst, info->dst.level);
443
444 /*
445 * Emit source:
446 */
447 uint32_t filter = 0;
448 if (info->filter == PIPE_TEX_FILTER_LINEAR)
449 filter = A6XX_SP_PS_2D_SRC_INFO_FILTER;
450
451 enum a3xx_msaa_samples samples = fd_msaa_samples(src->base.nr_samples);
452
453 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 10);
454 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
455 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(stile) |
456 A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(sswap) |
457 A6XX_SP_PS_2D_SRC_INFO_SAMPLES(samples) |
458 COND(subwc_enabled, A6XX_SP_PS_2D_SRC_INFO_FLAGS) |
459 0x500000 | filter);
460 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(width) |
461 A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(height)); /* SP_PS_2D_SRC_SIZE */
462 OUT_RELOC(ring, src->bo, soff, 0, 0); /* SP_PS_2D_SRC_LO/HI */
463 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(spitch));
464
465 OUT_RING(ring, 0x00000000);
466 OUT_RING(ring, 0x00000000);
467 OUT_RING(ring, 0x00000000);
468 OUT_RING(ring, 0x00000000);
469 OUT_RING(ring, 0x00000000);
470
471 if (subwc_enabled) {
472 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_FLAGS_LO, 6);
473 OUT_RELOC(ring, src->bo, subwcoff, 0, 0);
474 OUT_RING(ring, A6XX_SP_PS_2D_SRC_FLAGS_PITCH_PITCH(src->ubwc_pitch) |
475 A6XX_SP_PS_2D_SRC_FLAGS_PITCH_ARRAY_PITCH(src->ubwc_size));
476 OUT_RING(ring, 0x00000000);
477 OUT_RING(ring, 0x00000000);
478 OUT_RING(ring, 0x00000000);
479 }
480
481 /*
482 * Emit destination:
483 */
484 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
485 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(dfmt) |
486 A6XX_RB_2D_DST_INFO_TILE_MODE(dtile) |
487 A6XX_RB_2D_DST_INFO_COLOR_SWAP(dswap) |
488 COND(dubwc_enabled, A6XX_RB_2D_DST_INFO_FLAGS));
489 OUT_RELOCW(ring, dst->bo, doff, 0, 0); /* RB_2D_DST_LO/HI */
490 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(dpitch));
491 OUT_RING(ring, 0x00000000);
492 OUT_RING(ring, 0x00000000);
493 OUT_RING(ring, 0x00000000);
494 OUT_RING(ring, 0x00000000);
495 OUT_RING(ring, 0x00000000);
496
497 if (dubwc_enabled) {
498 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_FLAGS_LO, 6);
499 OUT_RELOCW(ring, dst->bo, dubwcoff, 0, 0);
500 OUT_RING(ring, A6XX_RB_2D_DST_FLAGS_PITCH_PITCH(dst->ubwc_pitch) |
501 A6XX_RB_2D_DST_FLAGS_PITCH_ARRAY_PITCH(dst->ubwc_size));
502 OUT_RING(ring, 0x00000000);
503 OUT_RING(ring, 0x00000000);
504 OUT_RING(ring, 0x00000000);
505 }
506
507 /*
508 * Blit command:
509 */
510 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
511 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sx1));
512 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sx2));
513 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(sy1));
514 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(sy2));
515
516 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
517 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dx1) | A6XX_GRAS_2D_DST_TL_Y(dy1));
518 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dx2) | A6XX_GRAS_2D_DST_BR_Y(dy2));
519
520 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
521 OUT_RING(ring, 0x3f);
522 OUT_WFI5(ring);
523
524 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8C01, 1);
525 OUT_RING(ring, 0);
526
527 OUT_PKT4(ring, REG_A6XX_SP_2D_SRC_FORMAT, 1);
528 OUT_RING(ring, A6XX_SP_2D_SRC_FORMAT_COLOR_FORMAT(sfmt) |
529 COND(util_format_is_pure_sint(info->src.format),
530 A6XX_SP_2D_SRC_FORMAT_SINT) |
531 COND(util_format_is_pure_uint(info->src.format),
532 A6XX_SP_2D_SRC_FORMAT_UINT) |
533 COND(util_format_is_snorm(info->src.format),
534 A6XX_SP_2D_SRC_FORMAT_SINT |
535 A6XX_SP_2D_SRC_FORMAT_NORM) |
536 COND(util_format_is_unorm(info->src.format),
537 // TODO sometimes blob uses UINT+NORM but dEQP seems unhappy about that
538 // A6XX_SP_2D_SRC_FORMAT_UINT |
539 A6XX_SP_2D_SRC_FORMAT_NORM) |
540 0xf000);
541
542 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
543 OUT_RING(ring, 0x01000000);
544
545 OUT_PKT7(ring, CP_BLIT, 1);
546 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
547
548 OUT_WFI5(ring);
549
550 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
551 OUT_RING(ring, 0);
552 }
553 }
554
555 static bool handle_rgba_blit(struct fd_context *ctx, const struct pipe_blit_info *info);
556
557 /**
558 * Re-written z/s blits can still fail for various reasons (for example MSAA).
559 * But we want to do the fallback blit with the re-written pipe_blit_info,
560 * in particular as u_blitter cannot blit stencil. So handle the fallback
561 * ourself and never "fail".
562 */
563 static bool
564 do_rewritten_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
565 {
566 bool success = handle_rgba_blit(ctx, info);
567 if (!success)
568 success = fd_blitter_blit(ctx, info);
569 debug_assert(success); /* fallback should never fail! */
570 return success;
571 }
572
573 /**
574 * Handle depth/stencil blits either via u_blitter and/or re-writing the
575 * blit into an equivilant format that we can handle
576 */
577 static bool
578 handle_zs_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
579 {
580 struct pipe_blit_info blit = *info;
581
582 if (DEBUG_BLIT_FALLBACK) {
583 fprintf(stderr, "---- handle_zs_blit: ");
584 util_dump_blit_info(stderr, info);
585 fprintf(stderr, "\ndst resource: ");
586 util_dump_resource(stderr, info->dst.resource);
587 fprintf(stderr, "\nsrc resource: ");
588 util_dump_resource(stderr, info->src.resource);
589 fprintf(stderr, "\n");
590 }
591
592 switch (info->dst.format) {
593 case PIPE_FORMAT_S8_UINT:
594 debug_assert(info->mask == PIPE_MASK_S);
595 blit.mask = PIPE_MASK_R;
596 blit.src.format = PIPE_FORMAT_R8_UINT;
597 blit.dst.format = PIPE_FORMAT_R8_UINT;
598 return do_rewritten_blit(ctx, &blit);
599
600 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
601 if (info->mask & PIPE_MASK_Z) {
602 blit.mask = PIPE_MASK_R;
603 blit.src.format = PIPE_FORMAT_R32_FLOAT;
604 blit.dst.format = PIPE_FORMAT_R32_FLOAT;
605 do_rewritten_blit(ctx, &blit);
606 }
607
608 if (info->mask & PIPE_MASK_S) {
609 blit.mask = PIPE_MASK_R;
610 blit.src.format = PIPE_FORMAT_R8_UINT;
611 blit.dst.format = PIPE_FORMAT_R8_UINT;
612 blit.src.resource = &fd_resource(info->src.resource)->stencil->base;
613 blit.dst.resource = &fd_resource(info->dst.resource)->stencil->base;
614 do_rewritten_blit(ctx, &blit);
615 }
616
617 return true;
618
619 case PIPE_FORMAT_Z16_UNORM:
620 blit.mask = PIPE_MASK_R;
621 blit.src.format = PIPE_FORMAT_R16_UNORM;
622 blit.dst.format = PIPE_FORMAT_R16_UNORM;
623 return do_rewritten_blit(ctx, &blit);
624
625 case PIPE_FORMAT_Z32_UNORM:
626 case PIPE_FORMAT_Z32_FLOAT:
627 debug_assert(info->mask == PIPE_MASK_Z);
628 blit.mask = PIPE_MASK_R;
629 blit.src.format = PIPE_FORMAT_R32_UINT;
630 blit.dst.format = PIPE_FORMAT_R32_UINT;
631 return do_rewritten_blit(ctx, &blit);
632
633 case PIPE_FORMAT_Z24X8_UNORM:
634 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
635 blit.mask = 0;
636 if (info->mask & PIPE_MASK_Z)
637 blit.mask |= PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B;
638 if (info->mask & PIPE_MASK_S)
639 blit.mask |= PIPE_MASK_A;
640 blit.src.format = PIPE_FORMAT_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
641 blit.dst.format = PIPE_FORMAT_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
642 return fd_blitter_blit(ctx, &blit);
643
644 default:
645 return false;
646 }
647 }
648
649 static bool
650 handle_rgba_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
651 {
652 struct fd_batch *batch;
653
654 debug_assert(!(info->mask & PIPE_MASK_ZS));
655
656 if (!can_do_blit(info))
657 return false;
658
659 fd_fence_ref(&ctx->last_fence, NULL);
660
661 batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx, true);
662
663 fd6_emit_restore(batch, batch->draw);
664 fd6_emit_lrz_flush(batch->draw);
665
666 mtx_lock(&ctx->screen->lock);
667
668 fd_batch_resource_used(batch, fd_resource(info->src.resource), false);
669 fd_batch_resource_used(batch, fd_resource(info->dst.resource), true);
670
671 mtx_unlock(&ctx->screen->lock);
672
673 emit_setup(batch);
674
675 if ((info->src.resource->target == PIPE_BUFFER) &&
676 (info->dst.resource->target == PIPE_BUFFER)) {
677 assert(fd_resource(info->src.resource)->tile_mode == TILE6_LINEAR);
678 assert(fd_resource(info->dst.resource)->tile_mode == TILE6_LINEAR);
679 emit_blit_buffer(batch->draw, info);
680 } else {
681 /* I don't *think* we need to handle blits between buffer <-> !buffer */
682 debug_assert(info->src.resource->target != PIPE_BUFFER);
683 debug_assert(info->dst.resource->target != PIPE_BUFFER);
684 emit_blit_texture(batch->draw, info);
685 }
686
687 fd6_event_write(batch, batch->draw, 0x1d, true);
688 fd6_event_write(batch, batch->draw, FACENESS_FLUSH, true);
689 fd6_event_write(batch, batch->draw, CACHE_FLUSH_TS, true);
690 fd6_cache_inv(batch, batch->draw);
691
692 fd_resource(info->dst.resource)->valid = true;
693 batch->needs_flush = true;
694
695 fd_batch_flush(batch, false);
696 fd_batch_reference(&batch, NULL);
697
698 return true;
699 }
700
701 static bool
702 fd6_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
703 {
704 if (info->mask & PIPE_MASK_ZS)
705 return handle_zs_blit(ctx, info);
706 return handle_rgba_blit(ctx, info);
707 }
708
709 void
710 fd6_blitter_init(struct pipe_context *pctx)
711 {
712 if (fd_mesa_debug & FD_DBG_NOBLIT)
713 return;
714
715 fd_context(pctx)->blit = fd6_blit;
716 }
717
718 unsigned
719 fd6_tile_mode(const struct pipe_resource *tmpl)
720 {
721 /* basically just has to be a format we can blit, so uploads/downloads
722 * via linear staging buffer works:
723 */
724 if (ok_format(tmpl->format))
725 return TILE6_3;
726
727 return TILE6_LINEAR;
728 }