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 if (!desc)
84 return R300_SURF_NO_SWAP;
85
86 /* Compressed formats should be in the little endian format. */
87 if (desc->block.width != 1 || desc->block.height != 1)
88 return R300_SURF_NO_SWAP;
89
90 swap_size = desc->is_array ? desc->channel[0].size : desc->block.bits;
91
92 switch (swap_size) {
93 default: /* shouldn't happen? */
94 case 8:
95 return R300_SURF_NO_SWAP;
96 case 16:
97 return R300_SURF_WORD_SWAP;
98 case 32:
99 return R300_SURF_DWORD_SWAP;
100 }
101 }
102
r300_get_swizzle_combined(const unsigned char * swizzle_format,const unsigned char * swizzle_view,boolean dxtc_swizzle)103 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
104 const unsigned char *swizzle_view,
105 boolean dxtc_swizzle)
106 {
107 unsigned i;
108 unsigned char swizzle[4];
109 unsigned result = 0;
110 const uint32_t swizzle_shift[4] = {
111 R300_TX_FORMAT_R_SHIFT,
112 R300_TX_FORMAT_G_SHIFT,
113 R300_TX_FORMAT_B_SHIFT,
114 R300_TX_FORMAT_A_SHIFT
115 };
116 uint32_t swizzle_bit[4] = {
117 dxtc_swizzle ? R300_TX_FORMAT_Z : R300_TX_FORMAT_X,
118 R300_TX_FORMAT_Y,
119 dxtc_swizzle ? R300_TX_FORMAT_X : R300_TX_FORMAT_Z,
120 R300_TX_FORMAT_W
121 };
122
123 if (swizzle_view) {
124 /* Combine two sets of swizzles. */
125 util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
126 } else {
127 memcpy(swizzle, swizzle_format, 4);
128 }
129
130 /* Get swizzle. */
131 for (i = 0; i < 4; i++) {
132 switch (swizzle[i]) {
133 case PIPE_SWIZZLE_Y:
134 result |= swizzle_bit[1] << swizzle_shift[i];
135 break;
136 case PIPE_SWIZZLE_Z:
137 result |= swizzle_bit[2] << swizzle_shift[i];
138 break;
139 case PIPE_SWIZZLE_W:
140 result |= swizzle_bit[3] << swizzle_shift[i];
141 break;
142 case PIPE_SWIZZLE_0:
143 result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
144 break;
145 case PIPE_SWIZZLE_1:
146 result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
147 break;
148 default: /* PIPE_SWIZZLE_X */
149 result |= swizzle_bit[0] << swizzle_shift[i];
150 }
151 }
152 return result;
153 }
154
155 /* Translate a pipe_format into a useful texture format for sampling.
156 *
157 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
158 * but the majority of them is translated in a generic way, automatically
159 * supporting all the formats hw can support.
160 *
161 * R300_EASY_TX_FORMAT swizzles the texture.
162 * Note the signature of R300_EASY_TX_FORMAT:
163 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
164 *
165 * The FORMAT specifies how the texture sampler will treat the texture, and
166 * 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)167 uint32_t r300_translate_texformat(enum pipe_format format,
168 const unsigned char *swizzle_view,
169 boolean is_r500,
170 boolean dxtc_swizzle)
171 {
172 uint32_t result = 0;
173 const struct util_format_description *desc;
174 unsigned i;
175 boolean uniform = TRUE;
176 const uint32_t sign_bit[4] = {
177 R300_TX_FORMAT_SIGNED_W,
178 R300_TX_FORMAT_SIGNED_Z,
179 R300_TX_FORMAT_SIGNED_Y,
180 R300_TX_FORMAT_SIGNED_X,
181 };
182
183 format = r300_unbyteswap_array_format(format);
184 desc = util_format_description(format);
185
186 /* Colorspace (return non-RGB formats directly). */
187 switch (desc->colorspace) {
188 /* Depth stencil formats.
189 * Swizzles are added in r300_merge_textures_and_samplers. */
190 case UTIL_FORMAT_COLORSPACE_ZS:
191 switch (format) {
192 case PIPE_FORMAT_Z16_UNORM:
193 return R300_TX_FORMAT_X16;
194 case PIPE_FORMAT_X8Z24_UNORM:
195 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
196 if (is_r500)
197 return R500_TX_FORMAT_Y8X24;
198 else
199 return R300_TX_FORMAT_Y16X16;
200 default:
201 return ~0; /* Unsupported. */
202 }
203
204 /* YUV formats. */
205 case UTIL_FORMAT_COLORSPACE_YUV:
206 result |= R300_TX_FORMAT_YUV_TO_RGB;
207
208 switch (format) {
209 case PIPE_FORMAT_UYVY:
210 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
211 case PIPE_FORMAT_YUYV:
212 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
213 default:
214 return ~0; /* Unsupported/unknown. */
215 }
216
217 /* Add gamma correction. */
218 case UTIL_FORMAT_COLORSPACE_SRGB:
219 result |= R300_TX_FORMAT_GAMMA;
220 break;
221
222 default:
223 switch (format) {
224 /* Same as YUV but without the YUR->RGB conversion. */
225 case PIPE_FORMAT_R8G8_B8G8_UNORM:
226 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
227 case PIPE_FORMAT_G8R8_G8B8_UNORM:
228 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
229 default:;
230 }
231 }
232
233 /* Add swizzling. */
234 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
235 if (util_format_is_compressed(format) &&
236 dxtc_swizzle &&
237 format != PIPE_FORMAT_RGTC2_UNORM &&
238 format != PIPE_FORMAT_RGTC2_SNORM &&
239 format != PIPE_FORMAT_LATC2_UNORM &&
240 format != PIPE_FORMAT_LATC2_SNORM &&
241 format != PIPE_FORMAT_RGTC1_UNORM &&
242 format != PIPE_FORMAT_RGTC1_SNORM &&
243 format != PIPE_FORMAT_LATC1_UNORM &&
244 format != PIPE_FORMAT_LATC1_SNORM) {
245 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
246 TRUE);
247 } else {
248 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
249 FALSE);
250 }
251
252 /* S3TC formats. */
253 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
254 switch (format) {
255 case PIPE_FORMAT_DXT1_RGB:
256 case PIPE_FORMAT_DXT1_RGBA:
257 case PIPE_FORMAT_DXT1_SRGB:
258 case PIPE_FORMAT_DXT1_SRGBA:
259 return R300_TX_FORMAT_DXT1 | result;
260 case PIPE_FORMAT_DXT3_RGBA:
261 case PIPE_FORMAT_DXT3_SRGBA:
262 return R300_TX_FORMAT_DXT3 | result;
263 case PIPE_FORMAT_DXT5_RGBA:
264 case PIPE_FORMAT_DXT5_SRGBA:
265 return R300_TX_FORMAT_DXT5 | result;
266 default:
267 return ~0; /* Unsupported/unknown. */
268 }
269 }
270
271 /* RGTC formats. */
272 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
273 switch (format) {
274 case PIPE_FORMAT_RGTC1_SNORM:
275 case PIPE_FORMAT_LATC1_SNORM:
276 result |= sign_bit[0];
277 FALLTHROUGH;
278 case PIPE_FORMAT_LATC1_UNORM:
279 case PIPE_FORMAT_RGTC1_UNORM:
280 return R500_TX_FORMAT_ATI1N | result;
281
282 case PIPE_FORMAT_RGTC2_SNORM:
283 case PIPE_FORMAT_LATC2_SNORM:
284 result |= sign_bit[1] | sign_bit[0];
285 FALLTHROUGH;
286 case PIPE_FORMAT_RGTC2_UNORM:
287 case PIPE_FORMAT_LATC2_UNORM:
288 return R400_TX_FORMAT_ATI2N | result;
289
290 default:
291 return ~0; /* Unsupported/unknown. */
292 }
293 }
294
295 /* This is truly a special format.
296 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
297 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
298 if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
299 return R300_TX_FORMAT_CxV8U8 | result;
300 }
301
302 /* Integer and fixed-point 16.16 textures are not supported. */
303 for (i = 0; i < 4; i++) {
304 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
305 ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
306 desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
307 (!desc->channel[i].normalized ||
308 desc->channel[i].pure_integer))) {
309 return ~0; /* Unsupported/unknown. */
310 }
311 }
312
313 /* Add sign. */
314 for (i = 0; i < desc->nr_channels; i++) {
315 if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
316 result |= sign_bit[i];
317 }
318 }
319
320 /* See whether the components are of the same size. */
321 for (i = 1; i < desc->nr_channels; i++) {
322 uniform = uniform && desc->channel[0].size == desc->channel[i].size;
323 }
324
325 /* Non-uniform formats. */
326 if (!uniform) {
327 switch (desc->nr_channels) {
328 case 3:
329 if (desc->channel[0].size == 5 &&
330 desc->channel[1].size == 6 &&
331 desc->channel[2].size == 5) {
332 return R300_TX_FORMAT_Z5Y6X5 | result;
333 }
334 if (desc->channel[0].size == 5 &&
335 desc->channel[1].size == 5 &&
336 desc->channel[2].size == 6) {
337 return R300_TX_FORMAT_Z6Y5X5 | result;
338 }
339 if (desc->channel[0].size == 2 &&
340 desc->channel[1].size == 3 &&
341 desc->channel[2].size == 3) {
342 return R300_TX_FORMAT_Z3Y3X2 | result;
343 }
344 return ~0; /* Unsupported/unknown. */
345
346 case 4:
347 if (desc->channel[0].size == 5 &&
348 desc->channel[1].size == 5 &&
349 desc->channel[2].size == 5 &&
350 desc->channel[3].size == 1) {
351 return R300_TX_FORMAT_W1Z5Y5X5 | result;
352 }
353 if (desc->channel[0].size == 10 &&
354 desc->channel[1].size == 10 &&
355 desc->channel[2].size == 10 &&
356 desc->channel[3].size == 2) {
357 return R300_TX_FORMAT_W2Z10Y10X10 | result;
358 }
359 }
360 return ~0; /* Unsupported/unknown. */
361 }
362
363 /* Find the first non-VOID channel. */
364 for (i = 0; i < 4; i++) {
365 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
366 break;
367 }
368 }
369
370 if (i == 4)
371 return ~0; /* Unsupported/unknown. */
372
373 /* And finally, uniform formats. */
374 switch (desc->channel[i].type) {
375 case UTIL_FORMAT_TYPE_UNSIGNED:
376 case UTIL_FORMAT_TYPE_SIGNED:
377 if (!desc->channel[i].normalized &&
378 desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
379 return ~0;
380 }
381
382 switch (desc->channel[i].size) {
383 case 4:
384 switch (desc->nr_channels) {
385 case 2:
386 return R300_TX_FORMAT_Y4X4 | result;
387 case 4:
388 return R300_TX_FORMAT_W4Z4Y4X4 | result;
389 }
390 return ~0;
391
392 case 8:
393 switch (desc->nr_channels) {
394 case 1:
395 return R300_TX_FORMAT_X8 | result;
396 case 2:
397 return R300_TX_FORMAT_Y8X8 | result;
398 case 4:
399 return R300_TX_FORMAT_W8Z8Y8X8 | result;
400 }
401 return ~0;
402
403 case 16:
404 switch (desc->nr_channels) {
405 case 1:
406 return R300_TX_FORMAT_X16 | result;
407 case 2:
408 return R300_TX_FORMAT_Y16X16 | result;
409 case 4:
410 return R300_TX_FORMAT_W16Z16Y16X16 | result;
411 }
412 }
413 return ~0;
414
415 case UTIL_FORMAT_TYPE_FLOAT:
416 switch (desc->channel[i].size) {
417 case 16:
418 switch (desc->nr_channels) {
419 case 1:
420 return R300_TX_FORMAT_16F | result;
421 case 2:
422 return R300_TX_FORMAT_16F_16F | result;
423 case 4:
424 return R300_TX_FORMAT_16F_16F_16F_16F | result;
425 }
426 return ~0;
427
428 case 32:
429 switch (desc->nr_channels) {
430 case 1:
431 return R300_TX_FORMAT_32F | result;
432 case 2:
433 return R300_TX_FORMAT_32F_32F | result;
434 case 4:
435 return R300_TX_FORMAT_32F_32F_32F_32F | result;
436 }
437 }
438 }
439
440 return ~0; /* Unsupported/unknown. */
441 }
442
r500_tx_format_msb_bit(enum pipe_format format)443 uint32_t r500_tx_format_msb_bit(enum pipe_format format)
444 {
445 switch (format) {
446 case PIPE_FORMAT_RGTC1_UNORM:
447 case PIPE_FORMAT_RGTC1_SNORM:
448 case PIPE_FORMAT_LATC1_UNORM:
449 case PIPE_FORMAT_LATC1_SNORM:
450 case PIPE_FORMAT_X8Z24_UNORM:
451 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
452 return R500_TXFORMAT_MSB;
453 default:
454 return 0;
455 }
456 }
457
458 /* Buffer formats. */
459
460 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
461 * output. For the swizzling of the targets, check the shader's format. */
r300_translate_colorformat(enum pipe_format format)462 static uint32_t r300_translate_colorformat(enum pipe_format format)
463 {
464 format = r300_unbyteswap_array_format(format);
465
466 switch (format) {
467 /* 8-bit buffers. */
468 case PIPE_FORMAT_A8_UNORM:
469 case PIPE_FORMAT_A8_SNORM:
470 case PIPE_FORMAT_I8_UNORM:
471 case PIPE_FORMAT_I8_SNORM:
472 case PIPE_FORMAT_L8_UNORM:
473 case PIPE_FORMAT_L8_SNORM:
474 case PIPE_FORMAT_R8_UNORM:
475 case PIPE_FORMAT_R8_SNORM:
476 return R300_COLOR_FORMAT_I8;
477
478 /* 16-bit buffers. */
479 case PIPE_FORMAT_L8A8_UNORM:
480 case PIPE_FORMAT_L8A8_SNORM:
481 case PIPE_FORMAT_R8G8_UNORM:
482 case PIPE_FORMAT_R8G8_SNORM:
483 case PIPE_FORMAT_R8A8_UNORM:
484 case PIPE_FORMAT_R8A8_SNORM:
485 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
486 case PIPE_FORMAT_A16_UNORM:
487 case PIPE_FORMAT_A16_SNORM:
488 case PIPE_FORMAT_A16_FLOAT:
489 case PIPE_FORMAT_L16_UNORM:
490 case PIPE_FORMAT_L16_SNORM:
491 case PIPE_FORMAT_L16_FLOAT:
492 case PIPE_FORMAT_I16_UNORM:
493 case PIPE_FORMAT_I16_SNORM:
494 case PIPE_FORMAT_I16_FLOAT:
495 case PIPE_FORMAT_R16_UNORM:
496 case PIPE_FORMAT_R16_SNORM:
497 case PIPE_FORMAT_R16_FLOAT:
498 return R300_COLOR_FORMAT_UV88;
499
500 case PIPE_FORMAT_B5G6R5_UNORM:
501 return R300_COLOR_FORMAT_RGB565;
502
503 case PIPE_FORMAT_B5G5R5A1_UNORM:
504 case PIPE_FORMAT_B5G5R5X1_UNORM:
505 return R300_COLOR_FORMAT_ARGB1555;
506
507 case PIPE_FORMAT_B4G4R4A4_UNORM:
508 case PIPE_FORMAT_B4G4R4X4_UNORM:
509 return R300_COLOR_FORMAT_ARGB4444;
510
511 /* 32-bit buffers. */
512 case PIPE_FORMAT_B8G8R8A8_UNORM:
513 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
514 case PIPE_FORMAT_B8G8R8X8_UNORM:
515 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
516 case PIPE_FORMAT_R8G8B8A8_UNORM:
517 case PIPE_FORMAT_R8G8B8A8_SNORM:
518 case PIPE_FORMAT_R8G8B8X8_UNORM:
519 case PIPE_FORMAT_R8G8B8X8_SNORM:
520 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
521 * correctly. */
522 case PIPE_FORMAT_R16G16_UNORM:
523 case PIPE_FORMAT_R16G16_SNORM:
524 case PIPE_FORMAT_R16G16_FLOAT:
525 case PIPE_FORMAT_L16A16_UNORM:
526 case PIPE_FORMAT_L16A16_SNORM:
527 case PIPE_FORMAT_L16A16_FLOAT:
528 case PIPE_FORMAT_R16A16_UNORM:
529 case PIPE_FORMAT_R16A16_SNORM:
530 case PIPE_FORMAT_R16A16_FLOAT:
531 case PIPE_FORMAT_A32_FLOAT:
532 case PIPE_FORMAT_L32_FLOAT:
533 case PIPE_FORMAT_I32_FLOAT:
534 case PIPE_FORMAT_R32_FLOAT:
535 return R300_COLOR_FORMAT_ARGB8888;
536
537 case PIPE_FORMAT_R10G10B10A2_UNORM:
538 case PIPE_FORMAT_R10G10B10X2_SNORM:
539 case PIPE_FORMAT_B10G10R10A2_UNORM:
540 case PIPE_FORMAT_B10G10R10X2_UNORM:
541 return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
542
543 /* 64-bit buffers. */
544 case PIPE_FORMAT_R16G16B16A16_UNORM:
545 case PIPE_FORMAT_R16G16B16A16_SNORM:
546 case PIPE_FORMAT_R16G16B16A16_FLOAT:
547 case PIPE_FORMAT_R16G16B16X16_UNORM:
548 case PIPE_FORMAT_R16G16B16X16_SNORM:
549 case PIPE_FORMAT_R16G16B16X16_FLOAT:
550 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
551 * correctly. */
552 case PIPE_FORMAT_R32G32_FLOAT:
553 case PIPE_FORMAT_L32A32_FLOAT:
554 case PIPE_FORMAT_R32A32_FLOAT:
555 return R300_COLOR_FORMAT_ARGB16161616;
556
557 /* 128-bit buffers. */
558 case PIPE_FORMAT_R32G32B32A32_FLOAT:
559 case PIPE_FORMAT_R32G32B32X32_FLOAT:
560 return R300_COLOR_FORMAT_ARGB32323232;
561
562 /* YUV buffers. */
563 case PIPE_FORMAT_UYVY:
564 return R300_COLOR_FORMAT_YVYU;
565 case PIPE_FORMAT_YUYV:
566 return R300_COLOR_FORMAT_VYUY;
567 default:
568 return ~0; /* Unsupported. */
569 }
570 }
571
572 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
r300_translate_zsformat(enum pipe_format format)573 static uint32_t r300_translate_zsformat(enum pipe_format format)
574 {
575 switch (format) {
576 /* 16-bit depth, no stencil */
577 case PIPE_FORMAT_Z16_UNORM:
578 return R300_DEPTHFORMAT_16BIT_INT_Z;
579 /* 24-bit depth, ignored stencil */
580 case PIPE_FORMAT_X8Z24_UNORM:
581 /* 24-bit depth, 8-bit stencil */
582 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
583 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
584 default:
585 return ~0; /* Unsupported. */
586 }
587 }
588
589 /* Shader output formats. This is essentially the swizzle from the shader
590 * to the RB3D block.
591 *
592 * Note that formats are stored from C3 to C0. */
r300_translate_out_fmt(enum pipe_format format)593 static uint32_t r300_translate_out_fmt(enum pipe_format format)
594 {
595 uint32_t modifier = 0;
596 unsigned i;
597 const struct util_format_description *desc;
598 boolean uniform_sign;
599
600 format = r300_unbyteswap_array_format(format);
601 desc = util_format_description(format);
602
603 /* Find the first non-VOID channel. */
604 for (i = 0; i < 4; i++) {
605 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
606 break;
607 }
608 }
609
610 if (i == 4)
611 return ~0; /* Unsupported/unknown. */
612
613 /* Specifies how the shader output is written to the fog unit. */
614 switch (desc->channel[i].type) {
615 case UTIL_FORMAT_TYPE_FLOAT:
616 switch (desc->channel[i].size) {
617 case 32:
618 switch (desc->nr_channels) {
619 case 1:
620 modifier |= R300_US_OUT_FMT_C_32_FP;
621 break;
622 case 2:
623 modifier |= R300_US_OUT_FMT_C2_32_FP;
624 break;
625 case 4:
626 modifier |= R300_US_OUT_FMT_C4_32_FP;
627 break;
628 }
629 break;
630
631 case 16:
632 switch (desc->nr_channels) {
633 case 1:
634 modifier |= R300_US_OUT_FMT_C_16_FP;
635 break;
636 case 2:
637 modifier |= R300_US_OUT_FMT_C2_16_FP;
638 break;
639 case 4:
640 modifier |= R300_US_OUT_FMT_C4_16_FP;
641 break;
642 }
643 break;
644 }
645 break;
646
647 default:
648 switch (desc->channel[i].size) {
649 case 16:
650 switch (desc->nr_channels) {
651 case 1:
652 modifier |= R300_US_OUT_FMT_C_16;
653 break;
654 case 2:
655 modifier |= R300_US_OUT_FMT_C2_16;
656 break;
657 case 4:
658 modifier |= R300_US_OUT_FMT_C4_16;
659 break;
660 }
661 break;
662
663 case 10:
664 modifier |= R300_US_OUT_FMT_C4_10;
665 break;
666
667 default:
668 /* C4_8 seems to be used for the formats whose pixel size
669 * is <= 32 bits. */
670 modifier |= R300_US_OUT_FMT_C4_8;
671 break;
672 }
673 }
674
675 /* Add sign. */
676 uniform_sign = TRUE;
677 for (i = 0; i < desc->nr_channels; i++)
678 if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED)
679 uniform_sign = FALSE;
680
681 if (uniform_sign)
682 modifier |= R300_OUT_SIGN(0xf);
683
684 /* Add swizzles and return. */
685 switch (format) {
686 /*** Special cases (non-standard channel mapping) ***/
687
688 /* X8
689 * COLORFORMAT_I8 stores the Z component (C2). */
690 case PIPE_FORMAT_A8_UNORM:
691 case PIPE_FORMAT_A8_SNORM:
692 return modifier | R300_C2_SEL_A;
693 case PIPE_FORMAT_I8_UNORM:
694 case PIPE_FORMAT_I8_SNORM:
695 case PIPE_FORMAT_L8_UNORM:
696 case PIPE_FORMAT_L8_SNORM:
697 case PIPE_FORMAT_R8_UNORM:
698 case PIPE_FORMAT_R8_SNORM:
699 return modifier | R300_C2_SEL_R;
700
701 /* X8Y8
702 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
703 case PIPE_FORMAT_L8A8_SNORM:
704 case PIPE_FORMAT_L8A8_UNORM:
705 case PIPE_FORMAT_R8A8_SNORM:
706 case PIPE_FORMAT_R8A8_UNORM:
707 return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
708 case PIPE_FORMAT_R8G8_SNORM:
709 case PIPE_FORMAT_R8G8_UNORM:
710 return modifier | R300_C0_SEL_G | R300_C2_SEL_R;
711
712 /* X32Y32
713 * ARGB16161616 stores XZ for RG32F */
714 case PIPE_FORMAT_R32G32_FLOAT:
715 return modifier | R300_C0_SEL_R | R300_C2_SEL_G;
716
717 /*** Generic cases (standard channel mapping) ***/
718
719 /* BGRA outputs. */
720 case PIPE_FORMAT_B5G6R5_UNORM:
721 case PIPE_FORMAT_B5G5R5A1_UNORM:
722 case PIPE_FORMAT_B5G5R5X1_UNORM:
723 case PIPE_FORMAT_B4G4R4A4_UNORM:
724 case PIPE_FORMAT_B4G4R4X4_UNORM:
725 case PIPE_FORMAT_B8G8R8A8_UNORM:
726 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
727 case PIPE_FORMAT_B8G8R8X8_UNORM:
728 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
729 case PIPE_FORMAT_B10G10R10A2_UNORM:
730 case PIPE_FORMAT_B10G10R10X2_UNORM:
731 return modifier |
732 R300_C0_SEL_B | R300_C1_SEL_G |
733 R300_C2_SEL_R | R300_C3_SEL_A;
734
735 /* ARGB outputs. */
736 case PIPE_FORMAT_A16_UNORM:
737 case PIPE_FORMAT_A16_SNORM:
738 case PIPE_FORMAT_A16_FLOAT:
739 case PIPE_FORMAT_A32_FLOAT:
740 return modifier |
741 R300_C0_SEL_A | R300_C1_SEL_R |
742 R300_C2_SEL_G | R300_C3_SEL_B;
743
744 /* RGBA outputs. */
745 case PIPE_FORMAT_R8G8B8X8_UNORM:
746 case PIPE_FORMAT_R8G8B8X8_SNORM:
747 case PIPE_FORMAT_R8G8B8A8_UNORM:
748 case PIPE_FORMAT_R8G8B8A8_SNORM:
749 case PIPE_FORMAT_R10G10B10A2_UNORM:
750 case PIPE_FORMAT_R10G10B10X2_SNORM:
751 case PIPE_FORMAT_R16_UNORM:
752 case PIPE_FORMAT_R16G16_UNORM:
753 case PIPE_FORMAT_R16G16B16A16_UNORM:
754 case PIPE_FORMAT_R16_SNORM:
755 case PIPE_FORMAT_R16G16_SNORM:
756 case PIPE_FORMAT_R16G16B16A16_SNORM:
757 case PIPE_FORMAT_R16_FLOAT:
758 case PIPE_FORMAT_R16G16_FLOAT:
759 case PIPE_FORMAT_R16G16B16A16_FLOAT:
760 case PIPE_FORMAT_R32_FLOAT:
761 case PIPE_FORMAT_R32G32B32A32_FLOAT:
762 case PIPE_FORMAT_R32G32B32X32_FLOAT:
763 case PIPE_FORMAT_L16_UNORM:
764 case PIPE_FORMAT_L16_SNORM:
765 case PIPE_FORMAT_L16_FLOAT:
766 case PIPE_FORMAT_L32_FLOAT:
767 case PIPE_FORMAT_I16_UNORM:
768 case PIPE_FORMAT_I16_SNORM:
769 case PIPE_FORMAT_I16_FLOAT:
770 case PIPE_FORMAT_I32_FLOAT:
771 case PIPE_FORMAT_R16G16B16X16_UNORM:
772 case PIPE_FORMAT_R16G16B16X16_SNORM:
773 case PIPE_FORMAT_R16G16B16X16_FLOAT:
774 return modifier |
775 R300_C0_SEL_R | R300_C1_SEL_G |
776 R300_C2_SEL_B | R300_C3_SEL_A;
777
778 /* LA outputs. */
779 case PIPE_FORMAT_L16A16_UNORM:
780 case PIPE_FORMAT_L16A16_SNORM:
781 case PIPE_FORMAT_L16A16_FLOAT:
782 case PIPE_FORMAT_R16A16_UNORM:
783 case PIPE_FORMAT_R16A16_SNORM:
784 case PIPE_FORMAT_R16A16_FLOAT:
785 case PIPE_FORMAT_L32A32_FLOAT:
786 case PIPE_FORMAT_R32A32_FLOAT:
787 return modifier |
788 R300_C0_SEL_R | R300_C1_SEL_A;
789
790 default:
791 return ~0; /* Unsupported. */
792 }
793 }
794
r300_translate_colormask_swizzle(enum pipe_format format)795 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format)
796 {
797 format = r300_unbyteswap_array_format(format);
798
799 switch (format) {
800 case PIPE_FORMAT_A8_UNORM:
801 case PIPE_FORMAT_A8_SNORM:
802 case PIPE_FORMAT_A16_UNORM:
803 case PIPE_FORMAT_A16_SNORM:
804 case PIPE_FORMAT_A16_FLOAT:
805 case PIPE_FORMAT_A32_FLOAT:
806 return COLORMASK_AAAA;
807
808 case PIPE_FORMAT_I8_UNORM:
809 case PIPE_FORMAT_I8_SNORM:
810 case PIPE_FORMAT_L8_UNORM:
811 case PIPE_FORMAT_L8_SNORM:
812 case PIPE_FORMAT_R8_UNORM:
813 case PIPE_FORMAT_R8_SNORM:
814 case PIPE_FORMAT_R32_FLOAT:
815 case PIPE_FORMAT_L32_FLOAT:
816 case PIPE_FORMAT_I32_FLOAT:
817 return COLORMASK_RRRR;
818
819 case PIPE_FORMAT_L8A8_SNORM:
820 case PIPE_FORMAT_L8A8_UNORM:
821 case PIPE_FORMAT_R8A8_UNORM:
822 case PIPE_FORMAT_R8A8_SNORM:
823 case PIPE_FORMAT_L16A16_UNORM:
824 case PIPE_FORMAT_L16A16_SNORM:
825 case PIPE_FORMAT_L16A16_FLOAT:
826 case PIPE_FORMAT_R16A16_UNORM:
827 case PIPE_FORMAT_R16A16_SNORM:
828 case PIPE_FORMAT_R16A16_FLOAT:
829 case PIPE_FORMAT_L32A32_FLOAT:
830 case PIPE_FORMAT_R32A32_FLOAT:
831 return COLORMASK_ARRA;
832
833 case PIPE_FORMAT_R8G8_SNORM:
834 case PIPE_FORMAT_R8G8_UNORM:
835 case PIPE_FORMAT_R16G16_UNORM:
836 case PIPE_FORMAT_R16G16_SNORM:
837 case PIPE_FORMAT_R16G16_FLOAT:
838 case PIPE_FORMAT_R32G32_FLOAT:
839 return COLORMASK_GRRG;
840
841 case PIPE_FORMAT_B5G5R5X1_UNORM:
842 case PIPE_FORMAT_B4G4R4X4_UNORM:
843 case PIPE_FORMAT_B8G8R8X8_UNORM:
844 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
845 case PIPE_FORMAT_B10G10R10X2_UNORM:
846 return COLORMASK_BGRX;
847
848 case PIPE_FORMAT_B5G6R5_UNORM:
849 case PIPE_FORMAT_B5G5R5A1_UNORM:
850 case PIPE_FORMAT_B4G4R4A4_UNORM:
851 case PIPE_FORMAT_B8G8R8A8_UNORM:
852 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
853 case PIPE_FORMAT_B10G10R10A2_UNORM:
854 return COLORMASK_BGRA;
855
856 case PIPE_FORMAT_R8G8B8X8_UNORM:
857 /* RGBX_SNORM formats are broken for an unknown reason */
858 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
859 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
860 case PIPE_FORMAT_R16G16B16X16_UNORM:
861 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
862 case PIPE_FORMAT_R16G16B16X16_FLOAT:
863 case PIPE_FORMAT_R32G32B32X32_FLOAT:
864 return COLORMASK_RGBX;
865
866 case PIPE_FORMAT_R8G8B8A8_UNORM:
867 case PIPE_FORMAT_R8G8B8A8_SNORM:
868 case PIPE_FORMAT_R10G10B10A2_UNORM:
869 case PIPE_FORMAT_R16_UNORM:
870 case PIPE_FORMAT_R16G16B16A16_UNORM:
871 case PIPE_FORMAT_R16_SNORM:
872 case PIPE_FORMAT_R16G16B16A16_SNORM:
873 case PIPE_FORMAT_R16_FLOAT:
874 case PIPE_FORMAT_R16G16B16A16_FLOAT:
875 case PIPE_FORMAT_R32G32B32A32_FLOAT:
876 case PIPE_FORMAT_L16_UNORM:
877 case PIPE_FORMAT_L16_SNORM:
878 case PIPE_FORMAT_L16_FLOAT:
879 case PIPE_FORMAT_I16_UNORM:
880 case PIPE_FORMAT_I16_SNORM:
881 case PIPE_FORMAT_I16_FLOAT:
882 return COLORMASK_RGBA;
883
884 default:
885 return ~0; /* Unsupported. */
886 }
887 }
888
r300_is_colorbuffer_format_supported(enum pipe_format format)889 boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
890 {
891 return r300_translate_colorformat(format) != ~0 &&
892 r300_translate_out_fmt(format) != ~0 &&
893 r300_translate_colormask_swizzle(format) != ~0;
894 }
895
r300_is_zs_format_supported(enum pipe_format format)896 boolean r300_is_zs_format_supported(enum pipe_format format)
897 {
898 return r300_translate_zsformat(format) != ~0;
899 }
900
r300_is_sampler_format_supported(enum pipe_format format)901 boolean r300_is_sampler_format_supported(enum pipe_format format)
902 {
903 return r300_translate_texformat(format, 0, TRUE, FALSE) != ~0;
904 }
905
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)906 void r300_texture_setup_format_state(struct r300_screen *screen,
907 struct r300_resource *tex,
908 enum pipe_format format,
909 unsigned level,
910 unsigned width0_override,
911 unsigned height0_override,
912 struct r300_texture_format_state *out)
913 {
914 struct pipe_resource *pt = &tex->b;
915 struct r300_texture_desc *desc = &tex->tex;
916 boolean is_r500 = screen->caps.is_r500;
917 unsigned width, height, depth;
918 unsigned txwidth, txheight, txdepth;
919
920 width = u_minify(width0_override, level);
921 height = u_minify(height0_override, level);
922 depth = u_minify(desc->depth0, level);
923
924 txwidth = (width - 1) & 0x7ff;
925 txheight = (height - 1) & 0x7ff;
926 txdepth = util_logbase2(depth) & 0xf;
927
928 /* Mask out all the fields we change. */
929 out->format0 = 0;
930 out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK;
931 out->format2 &= R500_TXFORMAT_MSB;
932 out->tile_config = 0;
933
934 /* Set sampler state. */
935 out->format0 =
936 R300_TX_WIDTH(txwidth) |
937 R300_TX_HEIGHT(txheight) |
938 R300_TX_DEPTH(txdepth);
939
940 if (desc->uses_stride_addressing) {
941 unsigned stride =
942 r300_stride_to_width(format, desc->stride_in_bytes[level]);
943 /* rectangles love this */
944 out->format0 |= R300_TX_PITCH_EN;
945 out->format2 = (stride - 1) & 0x1fff;
946 }
947
948 if (pt->target == PIPE_TEXTURE_CUBE) {
949 out->format1 |= R300_TX_FORMAT_CUBIC_MAP;
950 }
951 if (pt->target == PIPE_TEXTURE_3D) {
952 out->format1 |= R300_TX_FORMAT_3D;
953 }
954
955 /* large textures on r500 */
956 if (is_r500)
957 {
958 unsigned us_width = txwidth;
959 unsigned us_height = txheight;
960 unsigned us_depth = txdepth;
961
962 if (width > 2048) {
963 out->format2 |= R500_TXWIDTH_BIT11;
964 }
965 if (height > 2048) {
966 out->format2 |= R500_TXHEIGHT_BIT11;
967 }
968
969 /* The US_FORMAT register fixes an R500 TX addressing bug.
970 * Don't ask why it must be set like this. I don't know it either. */
971 if (width > 2048) {
972 us_width = (0x000007FF + us_width) >> 1;
973 us_depth |= 0x0000000D;
974 }
975 if (height > 2048) {
976 us_height = (0x000007FF + us_height) >> 1;
977 us_depth |= 0x0000000E;
978 }
979
980 out->us_format0 =
981 R300_TX_WIDTH(us_width) |
982 R300_TX_HEIGHT(us_height) |
983 R300_TX_DEPTH(us_depth);
984 }
985
986 out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) |
987 R300_TXO_MICRO_TILE(desc->microtile) |
988 R300_TXO_ENDIAN(r300_get_endian_swap(format));
989 }
990
r300_texture_setup_fb_state(struct r300_surface * surf)991 static void r300_texture_setup_fb_state(struct r300_surface *surf)
992 {
993 struct r300_resource *tex = r300_resource(surf->base.texture);
994 unsigned level = surf->base.u.tex.level;
995 unsigned stride =
996 r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]);
997
998 /* Set framebuffer state. */
999 if (util_format_is_depth_or_stencil(surf->base.format)) {
1000 surf->pitch =
1001 stride |
1002 R300_DEPTHMACROTILE(tex->tex.macrotile[level]) |
1003 R300_DEPTHMICROTILE(tex->tex.microtile) |
1004 R300_DEPTHENDIAN(r300_get_endian_swap(surf->base.format));
1005 surf->format = r300_translate_zsformat(surf->base.format);
1006 surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level];
1007 surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level];
1008 } else {
1009 enum pipe_format format = util_format_linear(surf->base.format);
1010
1011 surf->pitch =
1012 stride |
1013 r300_translate_colorformat(format) |
1014 R300_COLOR_TILE(tex->tex.macrotile[level]) |
1015 R300_COLOR_MICROTILE(tex->tex.microtile) |
1016 R300_COLOR_ENDIAN(r300_get_endian_swap(format));
1017 surf->format = r300_translate_out_fmt(format);
1018 surf->colormask_swizzle =
1019 r300_translate_colormask_swizzle(format);
1020 surf->pitch_cmask = tex->tex.cmask_stride_in_pixels;
1021 }
1022 }
1023
r300_resource_get_handle(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_resource * texture,struct winsys_handle * whandle,unsigned usage)1024 bool r300_resource_get_handle(struct pipe_screen* screen,
1025 struct pipe_context *ctx,
1026 struct pipe_resource *texture,
1027 struct winsys_handle *whandle,
1028 unsigned usage)
1029 {
1030 struct radeon_winsys *rws = r300_screen(screen)->rws;
1031 struct r300_resource* tex = (struct r300_resource*)texture;
1032
1033 if (!tex) {
1034 return false;
1035 }
1036
1037 whandle->stride = tex->tex.stride_in_bytes[0];
1038 whandle->offset = 0;
1039
1040 return rws->buffer_get_handle(rws, tex->buf, whandle);
1041 }
1042
1043 /* The common texture constructor. */
1044 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)1045 r300_texture_create_object(struct r300_screen *rscreen,
1046 const struct pipe_resource *base,
1047 enum radeon_bo_layout microtile,
1048 enum radeon_bo_layout macrotile,
1049 unsigned stride_in_bytes_override,
1050 struct pb_buffer *buffer)
1051 {
1052 struct radeon_winsys *rws = rscreen->rws;
1053 struct r300_resource *tex = NULL;
1054 struct radeon_bo_metadata tiling = {};
1055
1056 tex = CALLOC_STRUCT(r300_resource);
1057 if (!tex) {
1058 goto fail;
1059 }
1060
1061 pipe_reference_init(&tex->b.reference, 1);
1062 tex->b.screen = &rscreen->screen;
1063 tex->b.usage = base->usage;
1064 tex->b.bind = base->bind;
1065 tex->b.flags = base->flags;
1066 tex->tex.microtile = microtile;
1067 tex->tex.macrotile[0] = macrotile;
1068 tex->tex.stride_in_bytes_override = stride_in_bytes_override;
1069 tex->domain = (base->flags & R300_RESOURCE_FLAG_TRANSFER ||
1070 base->usage == PIPE_USAGE_STAGING) ? RADEON_DOMAIN_GTT :
1071 base->nr_samples > 1 ? RADEON_DOMAIN_VRAM :
1072 RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT;
1073 tex->buf = buffer;
1074
1075 r300_texture_desc_init(rscreen, tex, base);
1076
1077 /* Figure out the ideal placement for the texture.. */
1078 if (tex->domain & RADEON_DOMAIN_VRAM &&
1079 tex->tex.size_in_bytes >= rscreen->info.vram_size) {
1080 tex->domain &= ~RADEON_DOMAIN_VRAM;
1081 tex->domain |= RADEON_DOMAIN_GTT;
1082 }
1083 if (tex->domain & RADEON_DOMAIN_GTT &&
1084 tex->tex.size_in_bytes >= rscreen->info.gart_size) {
1085 tex->domain &= ~RADEON_DOMAIN_GTT;
1086 }
1087 /* Just fail if the texture is too large. */
1088 if (!tex->domain) {
1089 goto fail;
1090 }
1091
1092 /* Create the backing buffer if needed. */
1093 if (!tex->buf) {
1094 /* Only use the first domain for allocation. Multiple domains are not allowed. */
1095 unsigned alloc_domain =
1096 tex->domain & RADEON_DOMAIN_VRAM ? RADEON_DOMAIN_VRAM :
1097 RADEON_DOMAIN_GTT;
1098
1099 tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048,
1100 alloc_domain,
1101 RADEON_FLAG_NO_SUBALLOC |
1102 /* Use the reusable pool: */
1103 RADEON_FLAG_NO_INTERPROCESS_SHARING);
1104
1105 if (!tex->buf) {
1106 goto fail;
1107 }
1108 }
1109
1110 if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) {
1111 fprintf(stderr, "r300: %ix MSAA %s buffer created\n",
1112 base->nr_samples,
1113 util_format_is_depth_or_stencil(base->format) ? "depth" : "color");
1114 }
1115
1116 tiling.u.legacy.microtile = tex->tex.microtile;
1117 tiling.u.legacy.macrotile = tex->tex.macrotile[0];
1118 tiling.u.legacy.stride = tex->tex.stride_in_bytes[0];
1119 rws->buffer_set_metadata(rws, tex->buf, &tiling, NULL);
1120
1121 return tex;
1122
1123 fail:
1124 FREE(tex);
1125 if (buffer)
1126 pb_reference(&buffer, NULL);
1127 return NULL;
1128 }
1129
1130 /* Create a new texture. */
r300_texture_create(struct pipe_screen * screen,const struct pipe_resource * base)1131 struct pipe_resource *r300_texture_create(struct pipe_screen *screen,
1132 const struct pipe_resource *base)
1133 {
1134 struct r300_screen *rscreen = r300_screen(screen);
1135 enum radeon_bo_layout microtile, macrotile;
1136
1137 if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) ||
1138 (base->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_LINEAR))) {
1139 microtile = RADEON_LAYOUT_LINEAR;
1140 macrotile = RADEON_LAYOUT_LINEAR;
1141 } else {
1142 /* This will make the texture_create_function select the layout. */
1143 microtile = RADEON_LAYOUT_UNKNOWN;
1144 macrotile = RADEON_LAYOUT_UNKNOWN;
1145 }
1146
1147 return (struct pipe_resource*)
1148 r300_texture_create_object(rscreen, base, microtile, macrotile,
1149 0, NULL);
1150 }
1151
r300_texture_from_handle(struct pipe_screen * screen,const struct pipe_resource * base,struct winsys_handle * whandle,unsigned usage)1152 struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen,
1153 const struct pipe_resource *base,
1154 struct winsys_handle *whandle,
1155 unsigned usage)
1156 {
1157 struct r300_screen *rscreen = r300_screen(screen);
1158 struct radeon_winsys *rws = rscreen->rws;
1159 struct pb_buffer *buffer;
1160 struct radeon_bo_metadata tiling = {};
1161
1162 /* Support only 2D textures without mipmaps */
1163 if ((base->target != PIPE_TEXTURE_2D &&
1164 base->target != PIPE_TEXTURE_RECT) ||
1165 base->depth0 != 1 ||
1166 base->last_level != 0) {
1167 return NULL;
1168 }
1169
1170 buffer = rws->buffer_from_handle(rws, whandle, 0);
1171 if (!buffer)
1172 return NULL;
1173
1174 rws->buffer_get_metadata(rws, buffer, &tiling, NULL);
1175
1176 /* Enforce a microtiled zbuffer. */
1177 if (util_format_is_depth_or_stencil(base->format) &&
1178 tiling.u.legacy.microtile == RADEON_LAYOUT_LINEAR) {
1179 switch (util_format_get_blocksize(base->format)) {
1180 case 4:
1181 tiling.u.legacy.microtile = RADEON_LAYOUT_TILED;
1182 break;
1183
1184 case 2:
1185 tiling.u.legacy.microtile = RADEON_LAYOUT_SQUARETILED;
1186 break;
1187 }
1188 }
1189
1190 return (struct pipe_resource*)
1191 r300_texture_create_object(rscreen, base, tiling.u.legacy.microtile, tiling.u.legacy.macrotile,
1192 whandle->stride, buffer);
1193 }
1194
r300_create_surface_custom(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl,unsigned width0_override,unsigned height0_override)1195 struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx,
1196 struct pipe_resource* texture,
1197 const struct pipe_surface *surf_tmpl,
1198 unsigned width0_override,
1199 unsigned height0_override)
1200 {
1201 struct r300_resource* tex = r300_resource(texture);
1202 struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
1203 unsigned level = surf_tmpl->u.tex.level;
1204
1205 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
1206
1207 if (surface) {
1208 uint32_t offset, tile_height;
1209
1210 pipe_reference_init(&surface->base.reference, 1);
1211 pipe_resource_reference(&surface->base.texture, texture);
1212 surface->base.context = ctx;
1213 surface->base.format = surf_tmpl->format;
1214 surface->base.width = u_minify(width0_override, level);
1215 surface->base.height = u_minify(height0_override, level);
1216 surface->base.u.tex.level = level;
1217 surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
1218 surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
1219
1220 surface->buf = tex->buf;
1221
1222 /* Prefer VRAM if there are multiple domains to choose from. */
1223 surface->domain = tex->domain;
1224 if (surface->domain & RADEON_DOMAIN_VRAM)
1225 surface->domain &= ~RADEON_DOMAIN_GTT;
1226
1227 surface->offset = r300_texture_get_offset(tex, level,
1228 surf_tmpl->u.tex.first_layer);
1229 r300_texture_setup_fb_state(surface);
1230
1231 /* Parameters for the CBZB clear. */
1232 surface->cbzb_allowed = tex->tex.cbzb_allowed[level];
1233 surface->cbzb_width = align(surface->base.width, 64);
1234
1235 /* Height must be aligned to the size of a tile. */
1236 tile_height = r300_get_pixel_alignment(surface->base.format,
1237 tex->b.nr_samples,
1238 tex->tex.microtile,
1239 tex->tex.macrotile[level],
1240 DIM_HEIGHT, 0);
1241
1242 surface->cbzb_height = align((surface->base.height + 1) / 2,
1243 tile_height);
1244
1245 /* Offset must be aligned to 2K and must point at the beginning
1246 * of a scanline. */
1247 offset = surface->offset +
1248 tex->tex.stride_in_bytes[level] * surface->cbzb_height;
1249 surface->cbzb_midpoint_offset = offset & ~2047;
1250
1251 surface->cbzb_pitch = surface->pitch & 0x1ffffc;
1252
1253 if (util_format_get_blocksizebits(surface->base.format) == 32)
1254 surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
1255 else
1256 surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
1257
1258 DBG(r300_context(ctx), DBG_CBZB,
1259 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1260 surface->cbzb_allowed ? "YES" : " NO",
1261 surface->cbzb_width, surface->cbzb_height,
1262 offset & 2047,
1263 tex->tex.microtile ? "YES" : " NO",
1264 tex->tex.macrotile[level] ? "YES" : " NO");
1265 }
1266
1267 return &surface->base;
1268 }
1269
r300_create_surface(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl)1270 struct pipe_surface* r300_create_surface(struct pipe_context * ctx,
1271 struct pipe_resource* texture,
1272 const struct pipe_surface *surf_tmpl)
1273 {
1274 return r300_create_surface_custom(ctx, texture, surf_tmpl,
1275 texture->width0,
1276 texture->height0);
1277 }
1278
r300_surface_destroy(struct pipe_context * ctx,struct pipe_surface * s)1279 void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s)
1280 {
1281 pipe_resource_reference(&s->texture, NULL);
1282 FREE(s);
1283 }
1284