1 /*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24 /* Always include headers in the reverse order!! ~ M. */
25 #include "r300_texture.h"
26
27 #include "r300_context.h"
28 #include "r300_reg.h"
29 #include "r300_texture_desc.h"
30 #include "r300_transfer.h"
31 #include "r300_screen.h"
32
33 #include "util/format/u_format.h"
34 #include "util/format/u_format_s3tc.h"
35 #include "util/u_math.h"
36 #include "util/u_memory.h"
37
38 #include "pipe/p_screen.h"
39 #include "frontend/winsys_handle.h"
40
41 /* These formats are supported by swapping their bytes.
42 * The swizzles must be set exactly like their non-swapped counterparts,
43 * because byte-swapping is what reverses the component order, not swizzling.
44 *
45 * This function returns the format that must be used to program CB and TX
46 * swizzles.
47 */
r300_unbyteswap_array_format(enum pipe_format format)48 static enum pipe_format r300_unbyteswap_array_format(enum pipe_format format)
49 {
50 /* FIXME: Disabled on little endian because of a reported regression:
51 * https://bugs.freedesktop.org/show_bug.cgi?id=98869 */
52 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG)
53 return format;
54
55 /* Only BGRA 8888 array formats are supported for simplicity of
56 * the implementation. */
57 switch (format) {
58 case PIPE_FORMAT_A8R8G8B8_UNORM:
59 return PIPE_FORMAT_B8G8R8A8_UNORM;
60 case PIPE_FORMAT_A8R8G8B8_SRGB:
61 return PIPE_FORMAT_B8G8R8A8_SRGB;
62 case PIPE_FORMAT_X8R8G8B8_UNORM:
63 return PIPE_FORMAT_B8G8R8X8_UNORM;
64 case PIPE_FORMAT_X8R8G8B8_SRGB:
65 return PIPE_FORMAT_B8G8R8X8_SRGB;
66 default:
67 return format;
68 }
69 }
70
r300_get_endian_swap(enum pipe_format format)71 static unsigned r300_get_endian_swap(enum pipe_format format)
72 {
73 const struct util_format_description *desc;
74 unsigned swap_size;
75
76 if (r300_unbyteswap_array_format(format) != format)
77 return R300_SURF_DWORD_SWAP;
78
79 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG)
80 return R300_SURF_NO_SWAP;
81
82 desc = util_format_description(format);
83
84 /* Compressed formats should be in the little endian format. */
85 if (desc->block.width != 1 || desc->block.height != 1)
86 return R300_SURF_NO_SWAP;
87
88 swap_size = desc->is_array ? desc->channel[0].size : desc->block.bits;
89
90 switch (swap_size) {
91 default: /* shouldn't happen? */
92 case 8:
93 return R300_SURF_NO_SWAP;
94 case 16:
95 return R300_SURF_WORD_SWAP;
96 case 32:
97 return R300_SURF_DWORD_SWAP;
98 }
99 }
100
r300_get_swizzle_combined(const unsigned char * swizzle_format,const unsigned char * swizzle_view,boolean dxtc_swizzle)101 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
102 const unsigned char *swizzle_view,
103 boolean dxtc_swizzle)
104 {
105 unsigned i;
106 unsigned char swizzle[4];
107 unsigned result = 0;
108 const uint32_t swizzle_shift[4] = {
109 R300_TX_FORMAT_R_SHIFT,
110 R300_TX_FORMAT_G_SHIFT,
111 R300_TX_FORMAT_B_SHIFT,
112 R300_TX_FORMAT_A_SHIFT
113 };
114 uint32_t swizzle_bit[4] = {
115 dxtc_swizzle ? R300_TX_FORMAT_Z : R300_TX_FORMAT_X,
116 R300_TX_FORMAT_Y,
117 dxtc_swizzle ? R300_TX_FORMAT_X : R300_TX_FORMAT_Z,
118 R300_TX_FORMAT_W
119 };
120
121 if (swizzle_view) {
122 /* Combine two sets of swizzles. */
123 util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
124 } else {
125 memcpy(swizzle, swizzle_format, 4);
126 }
127
128 /* Get swizzle. */
129 for (i = 0; i < 4; i++) {
130 switch (swizzle[i]) {
131 case PIPE_SWIZZLE_Y:
132 result |= swizzle_bit[1] << swizzle_shift[i];
133 break;
134 case PIPE_SWIZZLE_Z:
135 result |= swizzle_bit[2] << swizzle_shift[i];
136 break;
137 case PIPE_SWIZZLE_W:
138 result |= swizzle_bit[3] << swizzle_shift[i];
139 break;
140 case PIPE_SWIZZLE_0:
141 result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
142 break;
143 case PIPE_SWIZZLE_1:
144 result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
145 break;
146 default: /* PIPE_SWIZZLE_X */
147 result |= swizzle_bit[0] << swizzle_shift[i];
148 }
149 }
150 return result;
151 }
152
153 /* Translate a pipe_format into a useful texture format for sampling.
154 *
155 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
156 * but the majority of them is translated in a generic way, automatically
157 * supporting all the formats hw can support.
158 *
159 * R300_EASY_TX_FORMAT swizzles the texture.
160 * Note the signature of R300_EASY_TX_FORMAT:
161 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
162 *
163 * The FORMAT specifies how the texture sampler will treat the texture, and
164 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
r300_translate_texformat(enum pipe_format format,const unsigned char * swizzle_view,boolean is_r500,boolean dxtc_swizzle)165 uint32_t r300_translate_texformat(enum pipe_format format,
166 const unsigned char *swizzle_view,
167 boolean is_r500,
168 boolean dxtc_swizzle)
169 {
170 uint32_t result = 0;
171 const struct util_format_description *desc;
172 unsigned i;
173 boolean uniform = TRUE;
174 const uint32_t sign_bit[4] = {
175 R300_TX_FORMAT_SIGNED_W,
176 R300_TX_FORMAT_SIGNED_Z,
177 R300_TX_FORMAT_SIGNED_Y,
178 R300_TX_FORMAT_SIGNED_X,
179 };
180
181 format = r300_unbyteswap_array_format(format);
182 desc = util_format_description(format);
183
184 /* Colorspace (return non-RGB formats directly). */
185 switch (desc->colorspace) {
186 /* Depth stencil formats.
187 * Swizzles are added in r300_merge_textures_and_samplers. */
188 case UTIL_FORMAT_COLORSPACE_ZS:
189 switch (format) {
190 case PIPE_FORMAT_Z16_UNORM:
191 return R300_TX_FORMAT_X16;
192 case PIPE_FORMAT_X8Z24_UNORM:
193 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
194 if (is_r500)
195 return R500_TX_FORMAT_Y8X24;
196 else
197 return R300_TX_FORMAT_Y16X16;
198 default:
199 return ~0; /* Unsupported. */
200 }
201
202 /* YUV formats. */
203 case UTIL_FORMAT_COLORSPACE_YUV:
204 result |= R300_TX_FORMAT_YUV_TO_RGB;
205
206 switch (format) {
207 case PIPE_FORMAT_UYVY:
208 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
209 case PIPE_FORMAT_YUYV:
210 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
211 default:
212 return ~0; /* Unsupported/unknown. */
213 }
214
215 /* Add gamma correction. */
216 case UTIL_FORMAT_COLORSPACE_SRGB:
217 result |= R300_TX_FORMAT_GAMMA;
218 break;
219
220 default:
221 switch (format) {
222 /* Same as YUV but without the YUR->RGB conversion. */
223 case PIPE_FORMAT_R8G8_B8G8_UNORM:
224 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
225 case PIPE_FORMAT_G8R8_G8B8_UNORM:
226 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
227 default:;
228 }
229 }
230
231 /* Add swizzling. */
232 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
233 if (util_format_is_compressed(format) &&
234 dxtc_swizzle &&
235 format != PIPE_FORMAT_RGTC2_UNORM &&
236 format != PIPE_FORMAT_RGTC2_SNORM &&
237 format != PIPE_FORMAT_LATC2_UNORM &&
238 format != PIPE_FORMAT_LATC2_SNORM &&
239 format != PIPE_FORMAT_RGTC1_UNORM &&
240 format != PIPE_FORMAT_RGTC1_SNORM &&
241 format != PIPE_FORMAT_LATC1_UNORM &&
242 format != PIPE_FORMAT_LATC1_SNORM) {
243 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
244 TRUE);
245 } else {
246 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
247 FALSE);
248 }
249
250 /* S3TC formats. */
251 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
252 switch (format) {
253 case PIPE_FORMAT_DXT1_RGB:
254 case PIPE_FORMAT_DXT1_RGBA:
255 case PIPE_FORMAT_DXT1_SRGB:
256 case PIPE_FORMAT_DXT1_SRGBA:
257 return R300_TX_FORMAT_DXT1 | result;
258 case PIPE_FORMAT_DXT3_RGBA:
259 case PIPE_FORMAT_DXT3_SRGBA:
260 return R300_TX_FORMAT_DXT3 | result;
261 case PIPE_FORMAT_DXT5_RGBA:
262 case PIPE_FORMAT_DXT5_SRGBA:
263 return R300_TX_FORMAT_DXT5 | result;
264 default:
265 return ~0; /* Unsupported/unknown. */
266 }
267 }
268
269 /* RGTC formats. */
270 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
271 switch (format) {
272 case PIPE_FORMAT_RGTC1_SNORM:
273 case PIPE_FORMAT_LATC1_SNORM:
274 result |= sign_bit[0];
275 FALLTHROUGH;
276 case PIPE_FORMAT_LATC1_UNORM:
277 case PIPE_FORMAT_RGTC1_UNORM:
278 return R500_TX_FORMAT_ATI1N | result;
279
280 case PIPE_FORMAT_RGTC2_SNORM:
281 case PIPE_FORMAT_LATC2_SNORM:
282 result |= sign_bit[1] | sign_bit[0];
283 FALLTHROUGH;
284 case PIPE_FORMAT_RGTC2_UNORM:
285 case PIPE_FORMAT_LATC2_UNORM:
286 return R400_TX_FORMAT_ATI2N | result;
287
288 default:
289 return ~0; /* Unsupported/unknown. */
290 }
291 }
292
293 /* This is truly a special format.
294 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
295 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
296 if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
297 return R300_TX_FORMAT_CxV8U8 | result;
298 }
299
300 /* Integer and fixed-point 16.16 textures are not supported. */
301 for (i = 0; i < 4; i++) {
302 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
303 ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
304 desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
305 (!desc->channel[i].normalized ||
306 desc->channel[i].pure_integer))) {
307 return ~0; /* Unsupported/unknown. */
308 }
309 }
310
311 /* Add sign. */
312 for (i = 0; i < desc->nr_channels; i++) {
313 if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
314 result |= sign_bit[i];
315 }
316 }
317
318 /* See whether the components are of the same size. */
319 for (i = 1; i < desc->nr_channels; i++) {
320 uniform = uniform && desc->channel[0].size == desc->channel[i].size;
321 }
322
323 /* Non-uniform formats. */
324 if (!uniform) {
325 switch (desc->nr_channels) {
326 case 3:
327 if (desc->channel[0].size == 5 &&
328 desc->channel[1].size == 6 &&
329 desc->channel[2].size == 5) {
330 return R300_TX_FORMAT_Z5Y6X5 | result;
331 }
332 if (desc->channel[0].size == 5 &&
333 desc->channel[1].size == 5 &&
334 desc->channel[2].size == 6) {
335 return R300_TX_FORMAT_Z6Y5X5 | result;
336 }
337 if (desc->channel[0].size == 2 &&
338 desc->channel[1].size == 3 &&
339 desc->channel[2].size == 3) {
340 return R300_TX_FORMAT_Z3Y3X2 | result;
341 }
342 return ~0; /* Unsupported/unknown. */
343
344 case 4:
345 if (desc->channel[0].size == 5 &&
346 desc->channel[1].size == 5 &&
347 desc->channel[2].size == 5 &&
348 desc->channel[3].size == 1) {
349 return R300_TX_FORMAT_W1Z5Y5X5 | result;
350 }
351 if (desc->channel[0].size == 10 &&
352 desc->channel[1].size == 10 &&
353 desc->channel[2].size == 10 &&
354 desc->channel[3].size == 2) {
355 return R300_TX_FORMAT_W2Z10Y10X10 | result;
356 }
357 }
358 return ~0; /* Unsupported/unknown. */
359 }
360
361 /* Find the first non-VOID channel. */
362 for (i = 0; i < 4; i++) {
363 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
364 break;
365 }
366 }
367
368 if (i == 4)
369 return ~0; /* Unsupported/unknown. */
370
371 /* And finally, uniform formats. */
372 switch (desc->channel[i].type) {
373 case UTIL_FORMAT_TYPE_UNSIGNED:
374 case UTIL_FORMAT_TYPE_SIGNED:
375 if (!desc->channel[i].normalized &&
376 desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
377 return ~0;
378 }
379
380 switch (desc->channel[i].size) {
381 case 4:
382 switch (desc->nr_channels) {
383 case 2:
384 return R300_TX_FORMAT_Y4X4 | result;
385 case 4:
386 return R300_TX_FORMAT_W4Z4Y4X4 | result;
387 }
388 return ~0;
389
390 case 8:
391 switch (desc->nr_channels) {
392 case 1:
393 return R300_TX_FORMAT_X8 | result;
394 case 2:
395 return R300_TX_FORMAT_Y8X8 | result;
396 case 4:
397 return R300_TX_FORMAT_W8Z8Y8X8 | result;
398 }
399 return ~0;
400
401 case 16:
402 switch (desc->nr_channels) {
403 case 1:
404 return R300_TX_FORMAT_X16 | result;
405 case 2:
406 return R300_TX_FORMAT_Y16X16 | result;
407 case 4:
408 return R300_TX_FORMAT_W16Z16Y16X16 | result;
409 }
410 }
411 return ~0;
412
413 case UTIL_FORMAT_TYPE_FLOAT:
414 switch (desc->channel[i].size) {
415 case 16:
416 switch (desc->nr_channels) {
417 case 1:
418 return R300_TX_FORMAT_16F | result;
419 case 2:
420 return R300_TX_FORMAT_16F_16F | result;
421 case 4:
422 return R300_TX_FORMAT_16F_16F_16F_16F | result;
423 }
424 return ~0;
425
426 case 32:
427 switch (desc->nr_channels) {
428 case 1:
429 return R300_TX_FORMAT_32F | result;
430 case 2:
431 return R300_TX_FORMAT_32F_32F | result;
432 case 4:
433 return R300_TX_FORMAT_32F_32F_32F_32F | result;
434 }
435 }
436 }
437
438 return ~0; /* Unsupported/unknown. */
439 }
440
r500_tx_format_msb_bit(enum pipe_format format)441 uint32_t r500_tx_format_msb_bit(enum pipe_format format)
442 {
443 switch (format) {
444 case PIPE_FORMAT_RGTC1_UNORM:
445 case PIPE_FORMAT_RGTC1_SNORM:
446 case PIPE_FORMAT_LATC1_UNORM:
447 case PIPE_FORMAT_LATC1_SNORM:
448 case PIPE_FORMAT_X8Z24_UNORM:
449 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
450 return R500_TXFORMAT_MSB;
451 default:
452 return 0;
453 }
454 }
455
456 /* Buffer formats. */
457
458 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
459 * output. For the swizzling of the targets, check the shader's format. */
r300_translate_colorformat(enum pipe_format format)460 static uint32_t r300_translate_colorformat(enum pipe_format format)
461 {
462 format = r300_unbyteswap_array_format(format);
463
464 switch (format) {
465 /* 8-bit buffers. */
466 case PIPE_FORMAT_A8_UNORM:
467 case PIPE_FORMAT_A8_SNORM:
468 case PIPE_FORMAT_I8_UNORM:
469 case PIPE_FORMAT_I8_SNORM:
470 case PIPE_FORMAT_L8_UNORM:
471 case PIPE_FORMAT_L8_SNORM:
472 case PIPE_FORMAT_R8_UNORM:
473 case PIPE_FORMAT_R8_SNORM:
474 return R300_COLOR_FORMAT_I8;
475
476 /* 16-bit buffers. */
477 case PIPE_FORMAT_L8A8_UNORM:
478 case PIPE_FORMAT_L8A8_SNORM:
479 case PIPE_FORMAT_R8G8_UNORM:
480 case PIPE_FORMAT_R8G8_SNORM:
481 case PIPE_FORMAT_R8A8_UNORM:
482 case PIPE_FORMAT_R8A8_SNORM:
483 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
484 case PIPE_FORMAT_A16_UNORM:
485 case PIPE_FORMAT_A16_SNORM:
486 case PIPE_FORMAT_A16_FLOAT:
487 case PIPE_FORMAT_L16_UNORM:
488 case PIPE_FORMAT_L16_SNORM:
489 case PIPE_FORMAT_L16_FLOAT:
490 case PIPE_FORMAT_I16_UNORM:
491 case PIPE_FORMAT_I16_SNORM:
492 case PIPE_FORMAT_I16_FLOAT:
493 case PIPE_FORMAT_R16_UNORM:
494 case PIPE_FORMAT_R16_SNORM:
495 case PIPE_FORMAT_R16_FLOAT:
496 return R300_COLOR_FORMAT_UV88;
497
498 case PIPE_FORMAT_B5G6R5_UNORM:
499 return R300_COLOR_FORMAT_RGB565;
500
501 case PIPE_FORMAT_B5G5R5A1_UNORM:
502 case PIPE_FORMAT_B5G5R5X1_UNORM:
503 return R300_COLOR_FORMAT_ARGB1555;
504
505 case PIPE_FORMAT_B4G4R4A4_UNORM:
506 case PIPE_FORMAT_B4G4R4X4_UNORM:
507 return R300_COLOR_FORMAT_ARGB4444;
508
509 /* 32-bit buffers. */
510 case PIPE_FORMAT_B8G8R8A8_UNORM:
511 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
512 case PIPE_FORMAT_B8G8R8X8_UNORM:
513 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
514 case PIPE_FORMAT_R8G8B8A8_UNORM:
515 case PIPE_FORMAT_R8G8B8A8_SNORM:
516 case PIPE_FORMAT_R8G8B8X8_UNORM:
517 case PIPE_FORMAT_R8G8B8X8_SNORM:
518 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
519 * correctly. */
520 case PIPE_FORMAT_R16G16_UNORM:
521 case PIPE_FORMAT_R16G16_SNORM:
522 case PIPE_FORMAT_R16G16_FLOAT:
523 case PIPE_FORMAT_L16A16_UNORM:
524 case PIPE_FORMAT_L16A16_SNORM:
525 case PIPE_FORMAT_L16A16_FLOAT:
526 case PIPE_FORMAT_R16A16_UNORM:
527 case PIPE_FORMAT_R16A16_SNORM:
528 case PIPE_FORMAT_R16A16_FLOAT:
529 case PIPE_FORMAT_A32_FLOAT:
530 case PIPE_FORMAT_L32_FLOAT:
531 case PIPE_FORMAT_I32_FLOAT:
532 case PIPE_FORMAT_R32_FLOAT:
533 return R300_COLOR_FORMAT_ARGB8888;
534
535 case PIPE_FORMAT_R10G10B10A2_UNORM:
536 case PIPE_FORMAT_R10G10B10X2_SNORM:
537 case PIPE_FORMAT_B10G10R10A2_UNORM:
538 case PIPE_FORMAT_B10G10R10X2_UNORM:
539 return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
540
541 /* 64-bit buffers. */
542 case PIPE_FORMAT_R16G16B16A16_UNORM:
543 case PIPE_FORMAT_R16G16B16A16_SNORM:
544 case PIPE_FORMAT_R16G16B16A16_FLOAT:
545 case PIPE_FORMAT_R16G16B16X16_UNORM:
546 case PIPE_FORMAT_R16G16B16X16_SNORM:
547 case PIPE_FORMAT_R16G16B16X16_FLOAT:
548 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
549 * correctly. */
550 case PIPE_FORMAT_R32G32_FLOAT:
551 case PIPE_FORMAT_L32A32_FLOAT:
552 case PIPE_FORMAT_R32A32_FLOAT:
553 return R300_COLOR_FORMAT_ARGB16161616;
554
555 /* 128-bit buffers. */
556 case PIPE_FORMAT_R32G32B32A32_FLOAT:
557 case PIPE_FORMAT_R32G32B32X32_FLOAT:
558 return R300_COLOR_FORMAT_ARGB32323232;
559
560 /* YUV buffers. */
561 case PIPE_FORMAT_UYVY:
562 return R300_COLOR_FORMAT_YVYU;
563 case PIPE_FORMAT_YUYV:
564 return R300_COLOR_FORMAT_VYUY;
565 default:
566 return ~0; /* Unsupported. */
567 }
568 }
569
570 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
r300_translate_zsformat(enum pipe_format format)571 static uint32_t r300_translate_zsformat(enum pipe_format format)
572 {
573 switch (format) {
574 /* 16-bit depth, no stencil */
575 case PIPE_FORMAT_Z16_UNORM:
576 return R300_DEPTHFORMAT_16BIT_INT_Z;
577 /* 24-bit depth, ignored stencil */
578 case PIPE_FORMAT_X8Z24_UNORM:
579 /* 24-bit depth, 8-bit stencil */
580 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
581 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
582 default:
583 return ~0; /* Unsupported. */
584 }
585 }
586
587 /* Shader output formats. This is essentially the swizzle from the shader
588 * to the RB3D block.
589 *
590 * Note that formats are stored from C3 to C0. */
r300_translate_out_fmt(enum pipe_format format)591 static uint32_t r300_translate_out_fmt(enum pipe_format format)
592 {
593 uint32_t modifier = 0;
594 unsigned i;
595 const struct util_format_description *desc;
596 boolean uniform_sign;
597
598 format = r300_unbyteswap_array_format(format);
599 desc = util_format_description(format);
600
601 /* Find the first non-VOID channel. */
602 for (i = 0; i < 4; i++) {
603 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
604 break;
605 }
606 }
607
608 if (i == 4)
609 return ~0; /* Unsupported/unknown. */
610
611 /* Specifies how the shader output is written to the fog unit. */
612 switch (desc->channel[i].type) {
613 case UTIL_FORMAT_TYPE_FLOAT:
614 switch (desc->channel[i].size) {
615 case 32:
616 switch (desc->nr_channels) {
617 case 1:
618 modifier |= R300_US_OUT_FMT_C_32_FP;
619 break;
620 case 2:
621 modifier |= R300_US_OUT_FMT_C2_32_FP;
622 break;
623 case 4:
624 modifier |= R300_US_OUT_FMT_C4_32_FP;
625 break;
626 }
627 break;
628
629 case 16:
630 switch (desc->nr_channels) {
631 case 1:
632 modifier |= R300_US_OUT_FMT_C_16_FP;
633 break;
634 case 2:
635 modifier |= R300_US_OUT_FMT_C2_16_FP;
636 break;
637 case 4:
638 modifier |= R300_US_OUT_FMT_C4_16_FP;
639 break;
640 }
641 break;
642 }
643 break;
644
645 default:
646 switch (desc->channel[i].size) {
647 case 16:
648 switch (desc->nr_channels) {
649 case 1:
650 modifier |= R300_US_OUT_FMT_C_16;
651 break;
652 case 2:
653 modifier |= R300_US_OUT_FMT_C2_16;
654 break;
655 case 4:
656 modifier |= R300_US_OUT_FMT_C4_16;
657 break;
658 }
659 break;
660
661 case 10:
662 modifier |= R300_US_OUT_FMT_C4_10;
663 break;
664
665 default:
666 /* C4_8 seems to be used for the formats whose pixel size
667 * is <= 32 bits. */
668 modifier |= R300_US_OUT_FMT_C4_8;
669 break;
670 }
671 }
672
673 /* Add sign. */
674 uniform_sign = TRUE;
675 for (i = 0; i < desc->nr_channels; i++)
676 if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED)
677 uniform_sign = FALSE;
678
679 if (uniform_sign)
680 modifier |= R300_OUT_SIGN(0xf);
681
682 /* Add swizzles and return. */
683 switch (format) {
684 /*** Special cases (non-standard channel mapping) ***/
685
686 /* X8
687 * COLORFORMAT_I8 stores the Z component (C2). */
688 case PIPE_FORMAT_A8_UNORM:
689 case PIPE_FORMAT_A8_SNORM:
690 return modifier | R300_C2_SEL_A;
691 case PIPE_FORMAT_I8_UNORM:
692 case PIPE_FORMAT_I8_SNORM:
693 case PIPE_FORMAT_L8_UNORM:
694 case PIPE_FORMAT_L8_SNORM:
695 case PIPE_FORMAT_R8_UNORM:
696 case PIPE_FORMAT_R8_SNORM:
697 return modifier | R300_C2_SEL_R;
698
699 /* X8Y8
700 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
701 case PIPE_FORMAT_L8A8_SNORM:
702 case PIPE_FORMAT_L8A8_UNORM:
703 case PIPE_FORMAT_R8A8_SNORM:
704 case PIPE_FORMAT_R8A8_UNORM:
705 return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
706 case PIPE_FORMAT_R8G8_SNORM:
707 case PIPE_FORMAT_R8G8_UNORM:
708 return modifier | R300_C0_SEL_G | R300_C2_SEL_R;
709
710 /* X32Y32
711 * ARGB16161616 stores XZ for RG32F */
712 case PIPE_FORMAT_R32G32_FLOAT:
713 return modifier | R300_C0_SEL_R | R300_C2_SEL_G;
714
715 /*** Generic cases (standard channel mapping) ***/
716
717 /* BGRA outputs. */
718 case PIPE_FORMAT_B5G6R5_UNORM:
719 case PIPE_FORMAT_B5G5R5A1_UNORM:
720 case PIPE_FORMAT_B5G5R5X1_UNORM:
721 case PIPE_FORMAT_B4G4R4A4_UNORM:
722 case PIPE_FORMAT_B4G4R4X4_UNORM:
723 case PIPE_FORMAT_B8G8R8A8_UNORM:
724 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
725 case PIPE_FORMAT_B8G8R8X8_UNORM:
726 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
727 case PIPE_FORMAT_B10G10R10A2_UNORM:
728 case PIPE_FORMAT_B10G10R10X2_UNORM:
729 return modifier |
730 R300_C0_SEL_B | R300_C1_SEL_G |
731 R300_C2_SEL_R | R300_C3_SEL_A;
732
733 /* ARGB outputs. */
734 case PIPE_FORMAT_A16_UNORM:
735 case PIPE_FORMAT_A16_SNORM:
736 case PIPE_FORMAT_A16_FLOAT:
737 case PIPE_FORMAT_A32_FLOAT:
738 return modifier |
739 R300_C0_SEL_A | R300_C1_SEL_R |
740 R300_C2_SEL_G | R300_C3_SEL_B;
741
742 /* RGBA outputs. */
743 case PIPE_FORMAT_R8G8B8X8_UNORM:
744 case PIPE_FORMAT_R8G8B8X8_SNORM:
745 case PIPE_FORMAT_R8G8B8A8_UNORM:
746 case PIPE_FORMAT_R8G8B8A8_SNORM:
747 case PIPE_FORMAT_R10G10B10A2_UNORM:
748 case PIPE_FORMAT_R10G10B10X2_SNORM:
749 case PIPE_FORMAT_R16_UNORM:
750 case PIPE_FORMAT_R16G16_UNORM:
751 case PIPE_FORMAT_R16G16B16A16_UNORM:
752 case PIPE_FORMAT_R16_SNORM:
753 case PIPE_FORMAT_R16G16_SNORM:
754 case PIPE_FORMAT_R16G16B16A16_SNORM:
755 case PIPE_FORMAT_R16_FLOAT:
756 case PIPE_FORMAT_R16G16_FLOAT:
757 case PIPE_FORMAT_R16G16B16A16_FLOAT:
758 case PIPE_FORMAT_R32_FLOAT:
759 case PIPE_FORMAT_R32G32B32A32_FLOAT:
760 case PIPE_FORMAT_R32G32B32X32_FLOAT:
761 case PIPE_FORMAT_L16_UNORM:
762 case PIPE_FORMAT_L16_SNORM:
763 case PIPE_FORMAT_L16_FLOAT:
764 case PIPE_FORMAT_L32_FLOAT:
765 case PIPE_FORMAT_I16_UNORM:
766 case PIPE_FORMAT_I16_SNORM:
767 case PIPE_FORMAT_I16_FLOAT:
768 case PIPE_FORMAT_I32_FLOAT:
769 case PIPE_FORMAT_R16G16B16X16_UNORM:
770 case PIPE_FORMAT_R16G16B16X16_SNORM:
771 case PIPE_FORMAT_R16G16B16X16_FLOAT:
772 return modifier |
773 R300_C0_SEL_R | R300_C1_SEL_G |
774 R300_C2_SEL_B | R300_C3_SEL_A;
775
776 /* LA outputs. */
777 case PIPE_FORMAT_L16A16_UNORM:
778 case PIPE_FORMAT_L16A16_SNORM:
779 case PIPE_FORMAT_L16A16_FLOAT:
780 case PIPE_FORMAT_R16A16_UNORM:
781 case PIPE_FORMAT_R16A16_SNORM:
782 case PIPE_FORMAT_R16A16_FLOAT:
783 case PIPE_FORMAT_L32A32_FLOAT:
784 case PIPE_FORMAT_R32A32_FLOAT:
785 return modifier |
786 R300_C0_SEL_R | R300_C1_SEL_A;
787
788 default:
789 return ~0; /* Unsupported. */
790 }
791 }
792
r300_translate_colormask_swizzle(enum pipe_format format)793 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format)
794 {
795 format = r300_unbyteswap_array_format(format);
796
797 switch (format) {
798 case PIPE_FORMAT_A8_UNORM:
799 case PIPE_FORMAT_A8_SNORM:
800 case PIPE_FORMAT_A16_UNORM:
801 case PIPE_FORMAT_A16_SNORM:
802 case PIPE_FORMAT_A16_FLOAT:
803 case PIPE_FORMAT_A32_FLOAT:
804 return COLORMASK_AAAA;
805
806 case PIPE_FORMAT_I8_UNORM:
807 case PIPE_FORMAT_I8_SNORM:
808 case PIPE_FORMAT_L8_UNORM:
809 case PIPE_FORMAT_L8_SNORM:
810 case PIPE_FORMAT_R8_UNORM:
811 case PIPE_FORMAT_R8_SNORM:
812 case PIPE_FORMAT_R32_FLOAT:
813 case PIPE_FORMAT_L32_FLOAT:
814 case PIPE_FORMAT_I32_FLOAT:
815 return COLORMASK_RRRR;
816
817 case PIPE_FORMAT_L8A8_SNORM:
818 case PIPE_FORMAT_L8A8_UNORM:
819 case PIPE_FORMAT_R8A8_UNORM:
820 case PIPE_FORMAT_R8A8_SNORM:
821 case PIPE_FORMAT_L16A16_UNORM:
822 case PIPE_FORMAT_L16A16_SNORM:
823 case PIPE_FORMAT_L16A16_FLOAT:
824 case PIPE_FORMAT_R16A16_UNORM:
825 case PIPE_FORMAT_R16A16_SNORM:
826 case PIPE_FORMAT_R16A16_FLOAT:
827 case PIPE_FORMAT_L32A32_FLOAT:
828 case PIPE_FORMAT_R32A32_FLOAT:
829 return COLORMASK_ARRA;
830
831 case PIPE_FORMAT_R8G8_SNORM:
832 case PIPE_FORMAT_R8G8_UNORM:
833 case PIPE_FORMAT_R16G16_UNORM:
834 case PIPE_FORMAT_R16G16_SNORM:
835 case PIPE_FORMAT_R16G16_FLOAT:
836 case PIPE_FORMAT_R32G32_FLOAT:
837 return COLORMASK_GRRG;
838
839 case PIPE_FORMAT_B5G5R5X1_UNORM:
840 case PIPE_FORMAT_B4G4R4X4_UNORM:
841 case PIPE_FORMAT_B8G8R8X8_UNORM:
842 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
843 case PIPE_FORMAT_B10G10R10X2_UNORM:
844 return COLORMASK_BGRX;
845
846 case PIPE_FORMAT_B5G6R5_UNORM:
847 case PIPE_FORMAT_B5G5R5A1_UNORM:
848 case PIPE_FORMAT_B4G4R4A4_UNORM:
849 case PIPE_FORMAT_B8G8R8A8_UNORM:
850 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
851 case PIPE_FORMAT_B10G10R10A2_UNORM:
852 return COLORMASK_BGRA;
853
854 case PIPE_FORMAT_R8G8B8X8_UNORM:
855 /* RGBX_SNORM formats are broken for an unknown reason */
856 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
857 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
858 case PIPE_FORMAT_R16G16B16X16_UNORM:
859 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
860 case PIPE_FORMAT_R16G16B16X16_FLOAT:
861 case PIPE_FORMAT_R32G32B32X32_FLOAT:
862 return COLORMASK_RGBX;
863
864 case PIPE_FORMAT_R8G8B8A8_UNORM:
865 case PIPE_FORMAT_R8G8B8A8_SNORM:
866 case PIPE_FORMAT_R10G10B10A2_UNORM:
867 case PIPE_FORMAT_R16_UNORM:
868 case PIPE_FORMAT_R16G16B16A16_UNORM:
869 case PIPE_FORMAT_R16_SNORM:
870 case PIPE_FORMAT_R16G16B16A16_SNORM:
871 case PIPE_FORMAT_R16_FLOAT:
872 case PIPE_FORMAT_R16G16B16A16_FLOAT:
873 case PIPE_FORMAT_R32G32B32A32_FLOAT:
874 case PIPE_FORMAT_L16_UNORM:
875 case PIPE_FORMAT_L16_SNORM:
876 case PIPE_FORMAT_L16_FLOAT:
877 case PIPE_FORMAT_I16_UNORM:
878 case PIPE_FORMAT_I16_SNORM:
879 case PIPE_FORMAT_I16_FLOAT:
880 return COLORMASK_RGBA;
881
882 default:
883 return ~0; /* Unsupported. */
884 }
885 }
886
r300_is_colorbuffer_format_supported(enum pipe_format format)887 boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
888 {
889 return r300_translate_colorformat(format) != ~0 &&
890 r300_translate_out_fmt(format) != ~0 &&
891 r300_translate_colormask_swizzle(format) != ~0;
892 }
893
r300_is_zs_format_supported(enum pipe_format format)894 boolean r300_is_zs_format_supported(enum pipe_format format)
895 {
896 return r300_translate_zsformat(format) != ~0;
897 }
898
r300_is_sampler_format_supported(enum pipe_format format)899 boolean r300_is_sampler_format_supported(enum pipe_format format)
900 {
901 return r300_translate_texformat(format, NULL, TRUE, FALSE) != ~0;
902 }
903
r300_texture_setup_format_state(struct r300_screen * screen,struct r300_resource * tex,enum pipe_format format,unsigned level,unsigned width0_override,unsigned height0_override,struct r300_texture_format_state * out)904 void r300_texture_setup_format_state(struct r300_screen *screen,
905 struct r300_resource *tex,
906 enum pipe_format format,
907 unsigned level,
908 unsigned width0_override,
909 unsigned height0_override,
910 struct r300_texture_format_state *out)
911 {
912 struct pipe_resource *pt = &tex->b;
913 struct r300_texture_desc *desc = &tex->tex;
914 boolean is_r500 = screen->caps.is_r500;
915 unsigned width, height, depth;
916 unsigned txwidth, txheight, txdepth;
917
918 width = u_minify(width0_override, level);
919 height = u_minify(height0_override, level);
920 depth = u_minify(desc->depth0, level);
921
922 txwidth = (width - 1) & 0x7ff;
923 txheight = (height - 1) & 0x7ff;
924 txdepth = util_logbase2(depth) & 0xf;
925
926 /* Mask out all the fields we change. */
927 out->format0 = 0;
928 out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK;
929 out->format2 &= R500_TXFORMAT_MSB;
930 out->tile_config = 0;
931
932 /* Set sampler state. */
933 out->format0 =
934 R300_TX_WIDTH(txwidth) |
935 R300_TX_HEIGHT(txheight) |
936 R300_TX_DEPTH(txdepth);
937
938 if (desc->uses_stride_addressing) {
939 unsigned stride =
940 r300_stride_to_width(format, desc->stride_in_bytes[level]);
941 /* rectangles love this */
942 out->format0 |= R300_TX_PITCH_EN;
943 out->format2 = (stride - 1) & 0x1fff;
944 }
945
946 if (pt->target == PIPE_TEXTURE_CUBE) {
947 out->format1 |= R300_TX_FORMAT_CUBIC_MAP;
948 }
949 if (pt->target == PIPE_TEXTURE_3D) {
950 out->format1 |= R300_TX_FORMAT_3D;
951 }
952
953 /* large textures on r500 */
954 if (is_r500)
955 {
956 unsigned us_width = txwidth;
957 unsigned us_height = txheight;
958 unsigned us_depth = txdepth;
959
960 if (width > 2048) {
961 out->format2 |= R500_TXWIDTH_BIT11;
962 }
963 if (height > 2048) {
964 out->format2 |= R500_TXHEIGHT_BIT11;
965 }
966
967 /* The US_FORMAT register fixes an R500 TX addressing bug.
968 * Don't ask why it must be set like this. I don't know it either. */
969 if (width > 2048) {
970 us_width = (0x000007FF + us_width) >> 1;
971 us_depth |= 0x0000000D;
972 }
973 if (height > 2048) {
974 us_height = (0x000007FF + us_height) >> 1;
975 us_depth |= 0x0000000E;
976 }
977
978 out->us_format0 =
979 R300_TX_WIDTH(us_width) |
980 R300_TX_HEIGHT(us_height) |
981 R300_TX_DEPTH(us_depth);
982 }
983
984 out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) |
985 R300_TXO_MICRO_TILE(desc->microtile) |
986 R300_TXO_ENDIAN(r300_get_endian_swap(format));
987 }
988
r300_texture_setup_fb_state(struct r300_surface * surf)989 static void r300_texture_setup_fb_state(struct r300_surface *surf)
990 {
991 struct r300_resource *tex = r300_resource(surf->base.texture);
992 unsigned level = surf->base.u.tex.level;
993 unsigned stride =
994 r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]);
995
996 /* Set framebuffer state. */
997 if (util_format_is_depth_or_stencil(surf->base.format)) {
998 surf->pitch =
999 stride |
1000 R300_DEPTHMACROTILE(tex->tex.macrotile[level]) |
1001 R300_DEPTHMICROTILE(tex->tex.microtile) |
1002 R300_DEPTHENDIAN(r300_get_endian_swap(surf->base.format));
1003 surf->format = r300_translate_zsformat(surf->base.format);
1004 surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level];
1005 surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level];
1006 } else {
1007 enum pipe_format format = util_format_linear(surf->base.format);
1008
1009 surf->pitch =
1010 stride |
1011 r300_translate_colorformat(format) |
1012 R300_COLOR_TILE(tex->tex.macrotile[level]) |
1013 R300_COLOR_MICROTILE(tex->tex.microtile) |
1014 R300_COLOR_ENDIAN(r300_get_endian_swap(format));
1015 surf->format = r300_translate_out_fmt(format);
1016 surf->colormask_swizzle =
1017 r300_translate_colormask_swizzle(format);
1018 surf->pitch_cmask = tex->tex.cmask_stride_in_pixels;
1019 }
1020 }
1021
r300_resource_get_handle(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_resource * texture,struct winsys_handle * whandle,unsigned usage)1022 bool r300_resource_get_handle(struct pipe_screen* screen,
1023 struct pipe_context *ctx,
1024 struct pipe_resource *texture,
1025 struct winsys_handle *whandle,
1026 unsigned usage)
1027 {
1028 struct radeon_winsys *rws = r300_screen(screen)->rws;
1029 struct r300_resource* tex = (struct r300_resource*)texture;
1030
1031 if (!tex) {
1032 return false;
1033 }
1034
1035 whandle->stride = tex->tex.stride_in_bytes[0];
1036 whandle->offset = 0;
1037
1038 return rws->buffer_get_handle(rws, tex->buf, whandle);
1039 }
1040
1041 /* The common texture constructor. */
1042 static struct r300_resource*
r300_texture_create_object(struct r300_screen * rscreen,const struct pipe_resource * base,enum radeon_bo_layout microtile,enum radeon_bo_layout macrotile,unsigned stride_in_bytes_override,struct pb_buffer * buffer)1043 r300_texture_create_object(struct r300_screen *rscreen,
1044 const struct pipe_resource *base,
1045 enum radeon_bo_layout microtile,
1046 enum radeon_bo_layout macrotile,
1047 unsigned stride_in_bytes_override,
1048 struct pb_buffer *buffer)
1049 {
1050 struct radeon_winsys *rws = rscreen->rws;
1051 struct r300_resource *tex = NULL;
1052 struct radeon_bo_metadata tiling = {};
1053
1054 tex = CALLOC_STRUCT(r300_resource);
1055 if (!tex) {
1056 goto fail;
1057 }
1058
1059 pipe_reference_init(&tex->b.reference, 1);
1060 tex->b.screen = &rscreen->screen;
1061 tex->b.usage = base->usage;
1062 tex->b.bind = base->bind;
1063 tex->b.flags = base->flags;
1064 tex->tex.microtile = microtile;
1065 tex->tex.macrotile[0] = macrotile;
1066 tex->tex.stride_in_bytes_override = stride_in_bytes_override;
1067 tex->domain = (base->flags & R300_RESOURCE_FLAG_TRANSFER ||
1068 base->usage == PIPE_USAGE_STAGING) ? RADEON_DOMAIN_GTT :
1069 base->nr_samples > 1 ? RADEON_DOMAIN_VRAM :
1070 RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT;
1071 tex->buf = buffer;
1072
1073 r300_texture_desc_init(rscreen, tex, base);
1074
1075 /* Figure out the ideal placement for the texture.. */
1076 if (tex->domain & RADEON_DOMAIN_VRAM &&
1077 tex->tex.size_in_bytes >= (uint64_t)rscreen->info.vram_size_kb * 1024) {
1078 tex->domain &= ~RADEON_DOMAIN_VRAM;
1079 tex->domain |= RADEON_DOMAIN_GTT;
1080 }
1081 if (tex->domain & RADEON_DOMAIN_GTT &&
1082 tex->tex.size_in_bytes >= (uint64_t)rscreen->info.gart_size_kb * 1024) {
1083 tex->domain &= ~RADEON_DOMAIN_GTT;
1084 }
1085 /* Just fail if the texture is too large. */
1086 if (!tex->domain) {
1087 goto fail;
1088 }
1089
1090 /* Create the backing buffer if needed. */
1091 if (!tex->buf) {
1092 /* Only use the first domain for allocation. Multiple domains are not allowed. */
1093 unsigned alloc_domain =
1094 tex->domain & RADEON_DOMAIN_VRAM ? RADEON_DOMAIN_VRAM :
1095 RADEON_DOMAIN_GTT;
1096
1097 tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048,
1098 alloc_domain,
1099 RADEON_FLAG_NO_SUBALLOC |
1100 /* Use the reusable pool: */
1101 RADEON_FLAG_NO_INTERPROCESS_SHARING);
1102
1103 if (!tex->buf) {
1104 goto fail;
1105 }
1106 }
1107
1108 if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) {
1109 fprintf(stderr, "r300: %ix MSAA %s buffer created\n",
1110 base->nr_samples,
1111 util_format_is_depth_or_stencil(base->format) ? "depth" : "color");
1112 }
1113
1114 tiling.u.legacy.microtile = tex->tex.microtile;
1115 tiling.u.legacy.macrotile = tex->tex.macrotile[0];
1116 tiling.u.legacy.stride = tex->tex.stride_in_bytes[0];
1117 rws->buffer_set_metadata(rws, tex->buf, &tiling, NULL);
1118
1119 return tex;
1120
1121 fail:
1122 FREE(tex);
1123 if (buffer)
1124 pb_reference(&buffer, NULL);
1125 return NULL;
1126 }
1127
1128 /* Create a new texture. */
r300_texture_create(struct pipe_screen * screen,const struct pipe_resource * base)1129 struct pipe_resource *r300_texture_create(struct pipe_screen *screen,
1130 const struct pipe_resource *base)
1131 {
1132 struct r300_screen *rscreen = r300_screen(screen);
1133 enum radeon_bo_layout microtile, macrotile;
1134
1135 if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) ||
1136 (base->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_LINEAR))) {
1137 microtile = RADEON_LAYOUT_LINEAR;
1138 macrotile = RADEON_LAYOUT_LINEAR;
1139 } else {
1140 /* This will make the texture_create_function select the layout. */
1141 microtile = RADEON_LAYOUT_UNKNOWN;
1142 macrotile = RADEON_LAYOUT_UNKNOWN;
1143 }
1144
1145 return (struct pipe_resource*)
1146 r300_texture_create_object(rscreen, base, microtile, macrotile,
1147 0, NULL);
1148 }
1149
r300_texture_from_handle(struct pipe_screen * screen,const struct pipe_resource * base,struct winsys_handle * whandle,unsigned usage)1150 struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen,
1151 const struct pipe_resource *base,
1152 struct winsys_handle *whandle,
1153 unsigned usage)
1154 {
1155 struct r300_screen *rscreen = r300_screen(screen);
1156 struct radeon_winsys *rws = rscreen->rws;
1157 struct pb_buffer *buffer;
1158 struct radeon_bo_metadata tiling = {};
1159
1160 /* Support only 2D textures without mipmaps */
1161 if ((base->target != PIPE_TEXTURE_2D &&
1162 base->target != PIPE_TEXTURE_RECT) ||
1163 base->depth0 != 1 ||
1164 base->last_level != 0) {
1165 return NULL;
1166 }
1167
1168 buffer = rws->buffer_from_handle(rws, whandle, 0, false);
1169 if (!buffer)
1170 return NULL;
1171
1172 rws->buffer_get_metadata(rws, buffer, &tiling, NULL);
1173
1174 /* Enforce a microtiled zbuffer. */
1175 if (util_format_is_depth_or_stencil(base->format) &&
1176 tiling.u.legacy.microtile == RADEON_LAYOUT_LINEAR) {
1177 switch (util_format_get_blocksize(base->format)) {
1178 case 4:
1179 tiling.u.legacy.microtile = RADEON_LAYOUT_TILED;
1180 break;
1181
1182 case 2:
1183 tiling.u.legacy.microtile = RADEON_LAYOUT_SQUARETILED;
1184 break;
1185 }
1186 }
1187
1188 return (struct pipe_resource*)
1189 r300_texture_create_object(rscreen, base, tiling.u.legacy.microtile, tiling.u.legacy.macrotile,
1190 whandle->stride, buffer);
1191 }
1192
r300_create_surface_custom(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl,unsigned width0_override,unsigned height0_override)1193 struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx,
1194 struct pipe_resource* texture,
1195 const struct pipe_surface *surf_tmpl,
1196 unsigned width0_override,
1197 unsigned height0_override)
1198 {
1199 struct r300_resource* tex = r300_resource(texture);
1200 struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
1201 unsigned level = surf_tmpl->u.tex.level;
1202
1203 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
1204
1205 if (surface) {
1206 uint32_t offset, tile_height;
1207
1208 pipe_reference_init(&surface->base.reference, 1);
1209 pipe_resource_reference(&surface->base.texture, texture);
1210 surface->base.context = ctx;
1211 surface->base.format = surf_tmpl->format;
1212 surface->base.width = u_minify(width0_override, level);
1213 surface->base.height = u_minify(height0_override, level);
1214 surface->base.u.tex.level = level;
1215 surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
1216 surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
1217
1218 surface->buf = tex->buf;
1219
1220 /* Prefer VRAM if there are multiple domains to choose from. */
1221 surface->domain = tex->domain;
1222 if (surface->domain & RADEON_DOMAIN_VRAM)
1223 surface->domain &= ~RADEON_DOMAIN_GTT;
1224
1225 surface->offset = r300_texture_get_offset(tex, level,
1226 surf_tmpl->u.tex.first_layer);
1227 r300_texture_setup_fb_state(surface);
1228
1229 /* Parameters for the CBZB clear. */
1230 surface->cbzb_allowed = tex->tex.cbzb_allowed[level];
1231 surface->cbzb_width = align(surface->base.width, 64);
1232
1233 /* Height must be aligned to the size of a tile. */
1234 tile_height = r300_get_pixel_alignment(surface->base.format,
1235 tex->b.nr_samples,
1236 tex->tex.microtile,
1237 tex->tex.macrotile[level],
1238 DIM_HEIGHT, 0);
1239
1240 surface->cbzb_height = align((surface->base.height + 1) / 2,
1241 tile_height);
1242
1243 /* Offset must be aligned to 2K and must point at the beginning
1244 * of a scanline. */
1245 offset = surface->offset +
1246 tex->tex.stride_in_bytes[level] * surface->cbzb_height;
1247 surface->cbzb_midpoint_offset = offset & ~2047;
1248
1249 surface->cbzb_pitch = surface->pitch & 0x1ffffc;
1250
1251 if (util_format_get_blocksizebits(surface->base.format) == 32)
1252 surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
1253 else
1254 surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
1255
1256 DBG(r300_context(ctx), DBG_CBZB,
1257 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1258 surface->cbzb_allowed ? "YES" : " NO",
1259 surface->cbzb_width, surface->cbzb_height,
1260 offset & 2047,
1261 tex->tex.microtile ? "YES" : " NO",
1262 tex->tex.macrotile[level] ? "YES" : " NO");
1263 }
1264
1265 return &surface->base;
1266 }
1267
r300_create_surface(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl)1268 struct pipe_surface* r300_create_surface(struct pipe_context * ctx,
1269 struct pipe_resource* texture,
1270 const struct pipe_surface *surf_tmpl)
1271 {
1272 return r300_create_surface_custom(ctx, texture, surf_tmpl,
1273 texture->width0,
1274 texture->height0);
1275 }
1276
r300_surface_destroy(struct pipe_context * ctx,struct pipe_surface * s)1277 void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s)
1278 {
1279 pipe_resource_reference(&s->texture, NULL);
1280 FREE(s);
1281 }
1282