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/u_format.h"
34 #include "util/u_format_s3tc.h"
35 #include "util/u_math.h"
36 #include "util/u_memory.h"
37 #include "util/u_mm.h"
38
39 #include "pipe/p_screen.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 if (!util_format_s3tc_enabled) {
255 return ~0; /* Unsupported. */
256 }
257
258 switch (format) {
259 case PIPE_FORMAT_DXT1_RGB:
260 case PIPE_FORMAT_DXT1_RGBA:
261 case PIPE_FORMAT_DXT1_SRGB:
262 case PIPE_FORMAT_DXT1_SRGBA:
263 return R300_TX_FORMAT_DXT1 | result;
264 case PIPE_FORMAT_DXT3_RGBA:
265 case PIPE_FORMAT_DXT3_SRGBA:
266 return R300_TX_FORMAT_DXT3 | result;
267 case PIPE_FORMAT_DXT5_RGBA:
268 case PIPE_FORMAT_DXT5_SRGBA:
269 return R300_TX_FORMAT_DXT5 | result;
270 default:
271 return ~0; /* Unsupported/unknown. */
272 }
273 }
274
275 /* RGTC formats. */
276 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
277 switch (format) {
278 case PIPE_FORMAT_RGTC1_SNORM:
279 case PIPE_FORMAT_LATC1_SNORM:
280 result |= sign_bit[0];
281 case PIPE_FORMAT_LATC1_UNORM:
282 case PIPE_FORMAT_RGTC1_UNORM:
283 return R500_TX_FORMAT_ATI1N | result;
284
285 case PIPE_FORMAT_RGTC2_SNORM:
286 case PIPE_FORMAT_LATC2_SNORM:
287 result |= sign_bit[1] | sign_bit[0];
288 case PIPE_FORMAT_RGTC2_UNORM:
289 case PIPE_FORMAT_LATC2_UNORM:
290 return R400_TX_FORMAT_ATI2N | result;
291
292 default:
293 return ~0; /* Unsupported/unknown. */
294 }
295 }
296
297 /* This is truly a special format.
298 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
299 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
300 if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
301 return R300_TX_FORMAT_CxV8U8 | result;
302 }
303
304 /* Integer and fixed-point 16.16 textures are not supported. */
305 for (i = 0; i < 4; i++) {
306 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
307 ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
308 desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
309 (!desc->channel[i].normalized ||
310 desc->channel[i].pure_integer))) {
311 return ~0; /* Unsupported/unknown. */
312 }
313 }
314
315 /* Add sign. */
316 for (i = 0; i < desc->nr_channels; i++) {
317 if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
318 result |= sign_bit[i];
319 }
320 }
321
322 /* See whether the components are of the same size. */
323 for (i = 1; i < desc->nr_channels; i++) {
324 uniform = uniform && desc->channel[0].size == desc->channel[i].size;
325 }
326
327 /* Non-uniform formats. */
328 if (!uniform) {
329 switch (desc->nr_channels) {
330 case 3:
331 if (desc->channel[0].size == 5 &&
332 desc->channel[1].size == 6 &&
333 desc->channel[2].size == 5) {
334 return R300_TX_FORMAT_Z5Y6X5 | result;
335 }
336 if (desc->channel[0].size == 5 &&
337 desc->channel[1].size == 5 &&
338 desc->channel[2].size == 6) {
339 return R300_TX_FORMAT_Z6Y5X5 | result;
340 }
341 if (desc->channel[0].size == 2 &&
342 desc->channel[1].size == 3 &&
343 desc->channel[2].size == 3) {
344 return R300_TX_FORMAT_Z3Y3X2 | result;
345 }
346 return ~0; /* Unsupported/unknown. */
347
348 case 4:
349 if (desc->channel[0].size == 5 &&
350 desc->channel[1].size == 5 &&
351 desc->channel[2].size == 5 &&
352 desc->channel[3].size == 1) {
353 return R300_TX_FORMAT_W1Z5Y5X5 | result;
354 }
355 if (desc->channel[0].size == 10 &&
356 desc->channel[1].size == 10 &&
357 desc->channel[2].size == 10 &&
358 desc->channel[3].size == 2) {
359 return R300_TX_FORMAT_W2Z10Y10X10 | result;
360 }
361 }
362 return ~0; /* Unsupported/unknown. */
363 }
364
365 /* Find the first non-VOID channel. */
366 for (i = 0; i < 4; i++) {
367 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
368 break;
369 }
370 }
371
372 if (i == 4)
373 return ~0; /* Unsupported/unknown. */
374
375 /* And finally, uniform formats. */
376 switch (desc->channel[i].type) {
377 case UTIL_FORMAT_TYPE_UNSIGNED:
378 case UTIL_FORMAT_TYPE_SIGNED:
379 if (!desc->channel[i].normalized &&
380 desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
381 return ~0;
382 }
383
384 switch (desc->channel[i].size) {
385 case 4:
386 switch (desc->nr_channels) {
387 case 2:
388 return R300_TX_FORMAT_Y4X4 | result;
389 case 4:
390 return R300_TX_FORMAT_W4Z4Y4X4 | result;
391 }
392 return ~0;
393
394 case 8:
395 switch (desc->nr_channels) {
396 case 1:
397 return R300_TX_FORMAT_X8 | result;
398 case 2:
399 return R300_TX_FORMAT_Y8X8 | result;
400 case 4:
401 return R300_TX_FORMAT_W8Z8Y8X8 | result;
402 }
403 return ~0;
404
405 case 16:
406 switch (desc->nr_channels) {
407 case 1:
408 return R300_TX_FORMAT_X16 | result;
409 case 2:
410 return R300_TX_FORMAT_Y16X16 | result;
411 case 4:
412 return R300_TX_FORMAT_W16Z16Y16X16 | result;
413 }
414 }
415 return ~0;
416
417 case UTIL_FORMAT_TYPE_FLOAT:
418 switch (desc->channel[i].size) {
419 case 16:
420 switch (desc->nr_channels) {
421 case 1:
422 return R300_TX_FORMAT_16F | result;
423 case 2:
424 return R300_TX_FORMAT_16F_16F | result;
425 case 4:
426 return R300_TX_FORMAT_16F_16F_16F_16F | result;
427 }
428 return ~0;
429
430 case 32:
431 switch (desc->nr_channels) {
432 case 1:
433 return R300_TX_FORMAT_32F | result;
434 case 2:
435 return R300_TX_FORMAT_32F_32F | result;
436 case 4:
437 return R300_TX_FORMAT_32F_32F_32F_32F | result;
438 }
439 }
440 }
441
442 return ~0; /* Unsupported/unknown. */
443 }
444
r500_tx_format_msb_bit(enum pipe_format format)445 uint32_t r500_tx_format_msb_bit(enum pipe_format format)
446 {
447 switch (format) {
448 case PIPE_FORMAT_RGTC1_UNORM:
449 case PIPE_FORMAT_RGTC1_SNORM:
450 case PIPE_FORMAT_LATC1_UNORM:
451 case PIPE_FORMAT_LATC1_SNORM:
452 case PIPE_FORMAT_X8Z24_UNORM:
453 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
454 return R500_TXFORMAT_MSB;
455 default:
456 return 0;
457 }
458 }
459
460 /* Buffer formats. */
461
462 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
463 * output. For the swizzling of the targets, check the shader's format. */
r300_translate_colorformat(enum pipe_format format)464 static uint32_t r300_translate_colorformat(enum pipe_format format)
465 {
466 format = r300_unbyteswap_array_format(format);
467
468 switch (format) {
469 /* 8-bit buffers. */
470 case PIPE_FORMAT_A8_UNORM:
471 case PIPE_FORMAT_A8_SNORM:
472 case PIPE_FORMAT_I8_UNORM:
473 case PIPE_FORMAT_I8_SNORM:
474 case PIPE_FORMAT_L8_UNORM:
475 case PIPE_FORMAT_L8_SNORM:
476 case PIPE_FORMAT_R8_UNORM:
477 case PIPE_FORMAT_R8_SNORM:
478 return R300_COLOR_FORMAT_I8;
479
480 /* 16-bit buffers. */
481 case PIPE_FORMAT_L8A8_UNORM:
482 case PIPE_FORMAT_L8A8_SNORM:
483 case PIPE_FORMAT_R8G8_UNORM:
484 case PIPE_FORMAT_R8G8_SNORM:
485 case PIPE_FORMAT_R8A8_UNORM:
486 case PIPE_FORMAT_R8A8_SNORM:
487 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
488 case PIPE_FORMAT_A16_UNORM:
489 case PIPE_FORMAT_A16_SNORM:
490 case PIPE_FORMAT_A16_FLOAT:
491 case PIPE_FORMAT_L16_UNORM:
492 case PIPE_FORMAT_L16_SNORM:
493 case PIPE_FORMAT_L16_FLOAT:
494 case PIPE_FORMAT_I16_UNORM:
495 case PIPE_FORMAT_I16_SNORM:
496 case PIPE_FORMAT_I16_FLOAT:
497 case PIPE_FORMAT_R16_UNORM:
498 case PIPE_FORMAT_R16_SNORM:
499 case PIPE_FORMAT_R16_FLOAT:
500 return R300_COLOR_FORMAT_UV88;
501
502 case PIPE_FORMAT_B5G6R5_UNORM:
503 return R300_COLOR_FORMAT_RGB565;
504
505 case PIPE_FORMAT_B5G5R5A1_UNORM:
506 case PIPE_FORMAT_B5G5R5X1_UNORM:
507 return R300_COLOR_FORMAT_ARGB1555;
508
509 case PIPE_FORMAT_B4G4R4A4_UNORM:
510 case PIPE_FORMAT_B4G4R4X4_UNORM:
511 return R300_COLOR_FORMAT_ARGB4444;
512
513 /* 32-bit buffers. */
514 case PIPE_FORMAT_B8G8R8A8_UNORM:
515 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
516 case PIPE_FORMAT_B8G8R8X8_UNORM:
517 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
518 case PIPE_FORMAT_R8G8B8A8_UNORM:
519 case PIPE_FORMAT_R8G8B8A8_SNORM:
520 case PIPE_FORMAT_R8G8B8X8_UNORM:
521 case PIPE_FORMAT_R8G8B8X8_SNORM:
522 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
523 * correctly. */
524 case PIPE_FORMAT_R16G16_UNORM:
525 case PIPE_FORMAT_R16G16_SNORM:
526 case PIPE_FORMAT_R16G16_FLOAT:
527 case PIPE_FORMAT_L16A16_UNORM:
528 case PIPE_FORMAT_L16A16_SNORM:
529 case PIPE_FORMAT_L16A16_FLOAT:
530 case PIPE_FORMAT_R16A16_UNORM:
531 case PIPE_FORMAT_R16A16_SNORM:
532 case PIPE_FORMAT_R16A16_FLOAT:
533 case PIPE_FORMAT_A32_FLOAT:
534 case PIPE_FORMAT_L32_FLOAT:
535 case PIPE_FORMAT_I32_FLOAT:
536 case PIPE_FORMAT_R32_FLOAT:
537 return R300_COLOR_FORMAT_ARGB8888;
538
539 case PIPE_FORMAT_R10G10B10A2_UNORM:
540 case PIPE_FORMAT_R10G10B10X2_SNORM:
541 case PIPE_FORMAT_B10G10R10A2_UNORM:
542 case PIPE_FORMAT_B10G10R10X2_UNORM:
543 return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
544
545 /* 64-bit buffers. */
546 case PIPE_FORMAT_R16G16B16A16_UNORM:
547 case PIPE_FORMAT_R16G16B16A16_SNORM:
548 case PIPE_FORMAT_R16G16B16A16_FLOAT:
549 case PIPE_FORMAT_R16G16B16X16_UNORM:
550 case PIPE_FORMAT_R16G16B16X16_SNORM:
551 case PIPE_FORMAT_R16G16B16X16_FLOAT:
552 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
553 * correctly. */
554 case PIPE_FORMAT_R32G32_FLOAT:
555 case PIPE_FORMAT_L32A32_FLOAT:
556 case PIPE_FORMAT_R32A32_FLOAT:
557 return R300_COLOR_FORMAT_ARGB16161616;
558
559 /* 128-bit buffers. */
560 case PIPE_FORMAT_R32G32B32A32_FLOAT:
561 case PIPE_FORMAT_R32G32B32X32_FLOAT:
562 return R300_COLOR_FORMAT_ARGB32323232;
563
564 /* YUV buffers. */
565 case PIPE_FORMAT_UYVY:
566 return R300_COLOR_FORMAT_YVYU;
567 case PIPE_FORMAT_YUYV:
568 return R300_COLOR_FORMAT_VYUY;
569 default:
570 return ~0; /* Unsupported. */
571 }
572 }
573
574 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
r300_translate_zsformat(enum pipe_format format)575 static uint32_t r300_translate_zsformat(enum pipe_format format)
576 {
577 switch (format) {
578 /* 16-bit depth, no stencil */
579 case PIPE_FORMAT_Z16_UNORM:
580 return R300_DEPTHFORMAT_16BIT_INT_Z;
581 /* 24-bit depth, ignored stencil */
582 case PIPE_FORMAT_X8Z24_UNORM:
583 /* 24-bit depth, 8-bit stencil */
584 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
585 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
586 default:
587 return ~0; /* Unsupported. */
588 }
589 }
590
591 /* Shader output formats. This is essentially the swizzle from the shader
592 * to the RB3D block.
593 *
594 * Note that formats are stored from C3 to C0. */
r300_translate_out_fmt(enum pipe_format format)595 static uint32_t r300_translate_out_fmt(enum pipe_format format)
596 {
597 uint32_t modifier = 0;
598 unsigned i;
599 const struct util_format_description *desc;
600 boolean uniform_sign;
601
602 format = r300_unbyteswap_array_format(format);
603 desc = util_format_description(format);
604
605 /* Find the first non-VOID channel. */
606 for (i = 0; i < 4; i++) {
607 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
608 break;
609 }
610 }
611
612 if (i == 4)
613 return ~0; /* Unsupported/unknown. */
614
615 /* Specifies how the shader output is written to the fog unit. */
616 switch (desc->channel[i].type) {
617 case UTIL_FORMAT_TYPE_FLOAT:
618 switch (desc->channel[i].size) {
619 case 32:
620 switch (desc->nr_channels) {
621 case 1:
622 modifier |= R300_US_OUT_FMT_C_32_FP;
623 break;
624 case 2:
625 modifier |= R300_US_OUT_FMT_C2_32_FP;
626 break;
627 case 4:
628 modifier |= R300_US_OUT_FMT_C4_32_FP;
629 break;
630 }
631 break;
632
633 case 16:
634 switch (desc->nr_channels) {
635 case 1:
636 modifier |= R300_US_OUT_FMT_C_16_FP;
637 break;
638 case 2:
639 modifier |= R300_US_OUT_FMT_C2_16_FP;
640 break;
641 case 4:
642 modifier |= R300_US_OUT_FMT_C4_16_FP;
643 break;
644 }
645 break;
646 }
647 break;
648
649 default:
650 switch (desc->channel[i].size) {
651 case 16:
652 switch (desc->nr_channels) {
653 case 1:
654 modifier |= R300_US_OUT_FMT_C_16;
655 break;
656 case 2:
657 modifier |= R300_US_OUT_FMT_C2_16;
658 break;
659 case 4:
660 modifier |= R300_US_OUT_FMT_C4_16;
661 break;
662 }
663 break;
664
665 case 10:
666 modifier |= R300_US_OUT_FMT_C4_10;
667 break;
668
669 default:
670 /* C4_8 seems to be used for the formats whose pixel size
671 * is <= 32 bits. */
672 modifier |= R300_US_OUT_FMT_C4_8;
673 break;
674 }
675 }
676
677 /* Add sign. */
678 uniform_sign = TRUE;
679 for (i = 0; i < desc->nr_channels; i++)
680 if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED)
681 uniform_sign = FALSE;
682
683 if (uniform_sign)
684 modifier |= R300_OUT_SIGN(0xf);
685
686 /* Add swizzles and return. */
687 switch (format) {
688 /*** Special cases (non-standard channel mapping) ***/
689
690 /* X8
691 * COLORFORMAT_I8 stores the Z component (C2). */
692 case PIPE_FORMAT_A8_UNORM:
693 case PIPE_FORMAT_A8_SNORM:
694 return modifier | R300_C2_SEL_A;
695 case PIPE_FORMAT_I8_UNORM:
696 case PIPE_FORMAT_I8_SNORM:
697 case PIPE_FORMAT_L8_UNORM:
698 case PIPE_FORMAT_L8_SNORM:
699 case PIPE_FORMAT_R8_UNORM:
700 case PIPE_FORMAT_R8_SNORM:
701 return modifier | R300_C2_SEL_R;
702
703 /* X8Y8
704 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
705 case PIPE_FORMAT_L8A8_SNORM:
706 case PIPE_FORMAT_L8A8_UNORM:
707 case PIPE_FORMAT_R8A8_SNORM:
708 case PIPE_FORMAT_R8A8_UNORM:
709 return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
710 case PIPE_FORMAT_R8G8_SNORM:
711 case PIPE_FORMAT_R8G8_UNORM:
712 return modifier | R300_C0_SEL_G | R300_C2_SEL_R;
713
714 /* X32Y32
715 * ARGB16161616 stores XZ for RG32F */
716 case PIPE_FORMAT_R32G32_FLOAT:
717 return modifier | R300_C0_SEL_R | R300_C2_SEL_G;
718
719 /*** Generic cases (standard channel mapping) ***/
720
721 /* BGRA outputs. */
722 case PIPE_FORMAT_B5G6R5_UNORM:
723 case PIPE_FORMAT_B5G5R5A1_UNORM:
724 case PIPE_FORMAT_B5G5R5X1_UNORM:
725 case PIPE_FORMAT_B4G4R4A4_UNORM:
726 case PIPE_FORMAT_B4G4R4X4_UNORM:
727 case PIPE_FORMAT_B8G8R8A8_UNORM:
728 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
729 case PIPE_FORMAT_B8G8R8X8_UNORM:
730 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
731 case PIPE_FORMAT_B10G10R10A2_UNORM:
732 case PIPE_FORMAT_B10G10R10X2_UNORM:
733 return modifier |
734 R300_C0_SEL_B | R300_C1_SEL_G |
735 R300_C2_SEL_R | R300_C3_SEL_A;
736
737 /* ARGB outputs. */
738 case PIPE_FORMAT_A16_UNORM:
739 case PIPE_FORMAT_A16_SNORM:
740 case PIPE_FORMAT_A16_FLOAT:
741 case PIPE_FORMAT_A32_FLOAT:
742 return modifier |
743 R300_C0_SEL_A | R300_C1_SEL_R |
744 R300_C2_SEL_G | R300_C3_SEL_B;
745
746 /* RGBA outputs. */
747 case PIPE_FORMAT_R8G8B8X8_UNORM:
748 case PIPE_FORMAT_R8G8B8X8_SNORM:
749 case PIPE_FORMAT_R8G8B8A8_UNORM:
750 case PIPE_FORMAT_R8G8B8A8_SNORM:
751 case PIPE_FORMAT_R10G10B10A2_UNORM:
752 case PIPE_FORMAT_R10G10B10X2_SNORM:
753 case PIPE_FORMAT_R16_UNORM:
754 case PIPE_FORMAT_R16G16_UNORM:
755 case PIPE_FORMAT_R16G16B16A16_UNORM:
756 case PIPE_FORMAT_R16_SNORM:
757 case PIPE_FORMAT_R16G16_SNORM:
758 case PIPE_FORMAT_R16G16B16A16_SNORM:
759 case PIPE_FORMAT_R16_FLOAT:
760 case PIPE_FORMAT_R16G16_FLOAT:
761 case PIPE_FORMAT_R16G16B16A16_FLOAT:
762 case PIPE_FORMAT_R32_FLOAT:
763 case PIPE_FORMAT_R32G32B32A32_FLOAT:
764 case PIPE_FORMAT_R32G32B32X32_FLOAT:
765 case PIPE_FORMAT_L16_UNORM:
766 case PIPE_FORMAT_L16_SNORM:
767 case PIPE_FORMAT_L16_FLOAT:
768 case PIPE_FORMAT_L32_FLOAT:
769 case PIPE_FORMAT_I16_UNORM:
770 case PIPE_FORMAT_I16_SNORM:
771 case PIPE_FORMAT_I16_FLOAT:
772 case PIPE_FORMAT_I32_FLOAT:
773 case PIPE_FORMAT_R16G16B16X16_UNORM:
774 case PIPE_FORMAT_R16G16B16X16_SNORM:
775 case PIPE_FORMAT_R16G16B16X16_FLOAT:
776 return modifier |
777 R300_C0_SEL_R | R300_C1_SEL_G |
778 R300_C2_SEL_B | R300_C3_SEL_A;
779
780 /* LA outputs. */
781 case PIPE_FORMAT_L16A16_UNORM:
782 case PIPE_FORMAT_L16A16_SNORM:
783 case PIPE_FORMAT_L16A16_FLOAT:
784 case PIPE_FORMAT_R16A16_UNORM:
785 case PIPE_FORMAT_R16A16_SNORM:
786 case PIPE_FORMAT_R16A16_FLOAT:
787 case PIPE_FORMAT_L32A32_FLOAT:
788 case PIPE_FORMAT_R32A32_FLOAT:
789 return modifier |
790 R300_C0_SEL_R | R300_C1_SEL_A;
791
792 default:
793 return ~0; /* Unsupported. */
794 }
795 }
796
r300_translate_colormask_swizzle(enum pipe_format format)797 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format)
798 {
799 format = r300_unbyteswap_array_format(format);
800
801 switch (format) {
802 case PIPE_FORMAT_A8_UNORM:
803 case PIPE_FORMAT_A8_SNORM:
804 case PIPE_FORMAT_A16_UNORM:
805 case PIPE_FORMAT_A16_SNORM:
806 case PIPE_FORMAT_A16_FLOAT:
807 case PIPE_FORMAT_A32_FLOAT:
808 return COLORMASK_AAAA;
809
810 case PIPE_FORMAT_I8_UNORM:
811 case PIPE_FORMAT_I8_SNORM:
812 case PIPE_FORMAT_L8_UNORM:
813 case PIPE_FORMAT_L8_SNORM:
814 case PIPE_FORMAT_R8_UNORM:
815 case PIPE_FORMAT_R8_SNORM:
816 case PIPE_FORMAT_R32_FLOAT:
817 case PIPE_FORMAT_L32_FLOAT:
818 case PIPE_FORMAT_I32_FLOAT:
819 return COLORMASK_RRRR;
820
821 case PIPE_FORMAT_L8A8_SNORM:
822 case PIPE_FORMAT_L8A8_UNORM:
823 case PIPE_FORMAT_R8A8_UNORM:
824 case PIPE_FORMAT_R8A8_SNORM:
825 case PIPE_FORMAT_L16A16_UNORM:
826 case PIPE_FORMAT_L16A16_SNORM:
827 case PIPE_FORMAT_L16A16_FLOAT:
828 case PIPE_FORMAT_R16A16_UNORM:
829 case PIPE_FORMAT_R16A16_SNORM:
830 case PIPE_FORMAT_R16A16_FLOAT:
831 case PIPE_FORMAT_L32A32_FLOAT:
832 case PIPE_FORMAT_R32A32_FLOAT:
833 return COLORMASK_ARRA;
834
835 case PIPE_FORMAT_R8G8_SNORM:
836 case PIPE_FORMAT_R8G8_UNORM:
837 case PIPE_FORMAT_R16G16_UNORM:
838 case PIPE_FORMAT_R16G16_SNORM:
839 case PIPE_FORMAT_R16G16_FLOAT:
840 case PIPE_FORMAT_R32G32_FLOAT:
841 return COLORMASK_GRRG;
842
843 case PIPE_FORMAT_B5G5R5X1_UNORM:
844 case PIPE_FORMAT_B4G4R4X4_UNORM:
845 case PIPE_FORMAT_B8G8R8X8_UNORM:
846 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
847 case PIPE_FORMAT_B10G10R10X2_UNORM:
848 return COLORMASK_BGRX;
849
850 case PIPE_FORMAT_B5G6R5_UNORM:
851 case PIPE_FORMAT_B5G5R5A1_UNORM:
852 case PIPE_FORMAT_B4G4R4A4_UNORM:
853 case PIPE_FORMAT_B8G8R8A8_UNORM:
854 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
855 case PIPE_FORMAT_B10G10R10A2_UNORM:
856 return COLORMASK_BGRA;
857
858 case PIPE_FORMAT_R8G8B8X8_UNORM:
859 /* RGBX_SNORM formats are broken for an unknown reason */
860 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
861 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
862 case PIPE_FORMAT_R16G16B16X16_UNORM:
863 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
864 case PIPE_FORMAT_R16G16B16X16_FLOAT:
865 case PIPE_FORMAT_R32G32B32X32_FLOAT:
866 return COLORMASK_RGBX;
867
868 case PIPE_FORMAT_R8G8B8A8_UNORM:
869 case PIPE_FORMAT_R8G8B8A8_SNORM:
870 case PIPE_FORMAT_R10G10B10A2_UNORM:
871 case PIPE_FORMAT_R16_UNORM:
872 case PIPE_FORMAT_R16G16B16A16_UNORM:
873 case PIPE_FORMAT_R16_SNORM:
874 case PIPE_FORMAT_R16G16B16A16_SNORM:
875 case PIPE_FORMAT_R16_FLOAT:
876 case PIPE_FORMAT_R16G16B16A16_FLOAT:
877 case PIPE_FORMAT_R32G32B32A32_FLOAT:
878 case PIPE_FORMAT_L16_UNORM:
879 case PIPE_FORMAT_L16_SNORM:
880 case PIPE_FORMAT_L16_FLOAT:
881 case PIPE_FORMAT_I16_UNORM:
882 case PIPE_FORMAT_I16_SNORM:
883 case PIPE_FORMAT_I16_FLOAT:
884 return COLORMASK_RGBA;
885
886 default:
887 return ~0; /* Unsupported. */
888 }
889 }
890
r300_is_colorbuffer_format_supported(enum pipe_format format)891 boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
892 {
893 return r300_translate_colorformat(format) != ~0 &&
894 r300_translate_out_fmt(format) != ~0 &&
895 r300_translate_colormask_swizzle(format) != ~0;
896 }
897
r300_is_zs_format_supported(enum pipe_format format)898 boolean r300_is_zs_format_supported(enum pipe_format format)
899 {
900 return r300_translate_zsformat(format) != ~0;
901 }
902
r300_is_sampler_format_supported(enum pipe_format format)903 boolean r300_is_sampler_format_supported(enum pipe_format format)
904 {
905 return r300_translate_texformat(format, 0, TRUE, FALSE) != ~0;
906 }
907
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)908 void r300_texture_setup_format_state(struct r300_screen *screen,
909 struct r300_resource *tex,
910 enum pipe_format format,
911 unsigned level,
912 unsigned width0_override,
913 unsigned height0_override,
914 struct r300_texture_format_state *out)
915 {
916 struct pipe_resource *pt = &tex->b.b;
917 struct r300_texture_desc *desc = &tex->tex;
918 boolean is_r500 = screen->caps.is_r500;
919 unsigned width, height, depth;
920 unsigned txwidth, txheight, txdepth;
921
922 width = u_minify(width0_override, level);
923 height = u_minify(height0_override, level);
924 depth = u_minify(desc->depth0, level);
925
926 txwidth = (width - 1) & 0x7ff;
927 txheight = (height - 1) & 0x7ff;
928 txdepth = util_logbase2(depth) & 0xf;
929
930 /* Mask out all the fields we change. */
931 out->format0 = 0;
932 out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK;
933 out->format2 &= R500_TXFORMAT_MSB;
934 out->tile_config = 0;
935
936 /* Set sampler state. */
937 out->format0 =
938 R300_TX_WIDTH(txwidth) |
939 R300_TX_HEIGHT(txheight) |
940 R300_TX_DEPTH(txdepth);
941
942 if (desc->uses_stride_addressing) {
943 unsigned stride =
944 r300_stride_to_width(format, desc->stride_in_bytes[level]);
945 /* rectangles love this */
946 out->format0 |= R300_TX_PITCH_EN;
947 out->format2 = (stride - 1) & 0x1fff;
948 }
949
950 if (pt->target == PIPE_TEXTURE_CUBE) {
951 out->format1 |= R300_TX_FORMAT_CUBIC_MAP;
952 }
953 if (pt->target == PIPE_TEXTURE_3D) {
954 out->format1 |= R300_TX_FORMAT_3D;
955 }
956
957 /* large textures on r500 */
958 if (is_r500)
959 {
960 unsigned us_width = txwidth;
961 unsigned us_height = txheight;
962 unsigned us_depth = txdepth;
963
964 if (width > 2048) {
965 out->format2 |= R500_TXWIDTH_BIT11;
966 }
967 if (height > 2048) {
968 out->format2 |= R500_TXHEIGHT_BIT11;
969 }
970
971 /* The US_FORMAT register fixes an R500 TX addressing bug.
972 * Don't ask why it must be set like this. I don't know it either. */
973 if (width > 2048) {
974 us_width = (0x000007FF + us_width) >> 1;
975 us_depth |= 0x0000000D;
976 }
977 if (height > 2048) {
978 us_height = (0x000007FF + us_height) >> 1;
979 us_depth |= 0x0000000E;
980 }
981
982 out->us_format0 =
983 R300_TX_WIDTH(us_width) |
984 R300_TX_HEIGHT(us_height) |
985 R300_TX_DEPTH(us_depth);
986 }
987
988 out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) |
989 R300_TXO_MICRO_TILE(desc->microtile) |
990 R300_TXO_ENDIAN(r300_get_endian_swap(format));
991 }
992
r300_texture_setup_fb_state(struct r300_surface * surf)993 static void r300_texture_setup_fb_state(struct r300_surface *surf)
994 {
995 struct r300_resource *tex = r300_resource(surf->base.texture);
996 unsigned level = surf->base.u.tex.level;
997 unsigned stride =
998 r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]);
999
1000 /* Set framebuffer state. */
1001 if (util_format_is_depth_or_stencil(surf->base.format)) {
1002 surf->pitch =
1003 stride |
1004 R300_DEPTHMACROTILE(tex->tex.macrotile[level]) |
1005 R300_DEPTHMICROTILE(tex->tex.microtile) |
1006 R300_DEPTHENDIAN(r300_get_endian_swap(surf->base.format));
1007 surf->format = r300_translate_zsformat(surf->base.format);
1008 surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level];
1009 surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level];
1010 } else {
1011 enum pipe_format format = util_format_linear(surf->base.format);
1012
1013 surf->pitch =
1014 stride |
1015 r300_translate_colorformat(format) |
1016 R300_COLOR_TILE(tex->tex.macrotile[level]) |
1017 R300_COLOR_MICROTILE(tex->tex.microtile) |
1018 R300_COLOR_ENDIAN(r300_get_endian_swap(format));
1019 surf->format = r300_translate_out_fmt(format);
1020 surf->colormask_swizzle =
1021 r300_translate_colormask_swizzle(format);
1022 surf->pitch_cmask = tex->tex.cmask_stride_in_pixels;
1023 }
1024 }
1025
r300_texture_destroy(struct pipe_screen * screen,struct pipe_resource * texture)1026 static void r300_texture_destroy(struct pipe_screen *screen,
1027 struct pipe_resource* texture)
1028 {
1029 struct r300_screen *rscreen = r300_screen(screen);
1030 struct r300_resource* tex = (struct r300_resource*)texture;
1031
1032 if (tex->tex.cmask_dwords) {
1033 pipe_mutex_lock(rscreen->cmask_mutex);
1034 if (texture == rscreen->cmask_resource) {
1035 rscreen->cmask_resource = NULL;
1036 }
1037 pipe_mutex_unlock(rscreen->cmask_mutex);
1038 }
1039 pb_reference(&tex->buf, NULL);
1040 FREE(tex);
1041 }
1042
r300_resource_get_handle(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_resource * texture,struct winsys_handle * whandle,unsigned usage)1043 boolean r300_resource_get_handle(struct pipe_screen* screen,
1044 struct pipe_context *ctx,
1045 struct pipe_resource *texture,
1046 struct winsys_handle *whandle,
1047 unsigned usage)
1048 {
1049 struct radeon_winsys *rws = r300_screen(screen)->rws;
1050 struct r300_resource* tex = (struct r300_resource*)texture;
1051
1052 if (!tex) {
1053 return FALSE;
1054 }
1055
1056 return rws->buffer_get_handle(tex->buf, tex->tex.stride_in_bytes[0],
1057 0, 0, whandle);
1058 }
1059
1060 static const struct u_resource_vtbl r300_texture_vtbl =
1061 {
1062 NULL, /* get_handle */
1063 r300_texture_destroy, /* resource_destroy */
1064 r300_texture_transfer_map, /* transfer_map */
1065 NULL, /* transfer_flush_region */
1066 r300_texture_transfer_unmap, /* transfer_unmap */
1067 };
1068
1069 /* The common texture constructor. */
1070 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)1071 r300_texture_create_object(struct r300_screen *rscreen,
1072 const struct pipe_resource *base,
1073 enum radeon_bo_layout microtile,
1074 enum radeon_bo_layout macrotile,
1075 unsigned stride_in_bytes_override,
1076 struct pb_buffer *buffer)
1077 {
1078 struct radeon_winsys *rws = rscreen->rws;
1079 struct r300_resource *tex = NULL;
1080 struct radeon_bo_metadata tiling = {};
1081
1082 tex = CALLOC_STRUCT(r300_resource);
1083 if (!tex) {
1084 goto fail;
1085 }
1086
1087 pipe_reference_init(&tex->b.b.reference, 1);
1088 tex->b.b.screen = &rscreen->screen;
1089 tex->b.b.usage = base->usage;
1090 tex->b.b.bind = base->bind;
1091 tex->b.b.flags = base->flags;
1092 tex->b.vtbl = &r300_texture_vtbl;
1093 tex->tex.microtile = microtile;
1094 tex->tex.macrotile[0] = macrotile;
1095 tex->tex.stride_in_bytes_override = stride_in_bytes_override;
1096 tex->domain = (base->flags & R300_RESOURCE_FLAG_TRANSFER ||
1097 base->usage == PIPE_USAGE_STAGING) ? RADEON_DOMAIN_GTT :
1098 base->nr_samples > 1 ? RADEON_DOMAIN_VRAM :
1099 RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT;
1100 tex->buf = buffer;
1101
1102 r300_texture_desc_init(rscreen, tex, base);
1103
1104 /* Figure out the ideal placement for the texture.. */
1105 if (tex->domain & RADEON_DOMAIN_VRAM &&
1106 tex->tex.size_in_bytes >= rscreen->info.vram_size) {
1107 tex->domain &= ~RADEON_DOMAIN_VRAM;
1108 tex->domain |= RADEON_DOMAIN_GTT;
1109 }
1110 if (tex->domain & RADEON_DOMAIN_GTT &&
1111 tex->tex.size_in_bytes >= rscreen->info.gart_size) {
1112 tex->domain &= ~RADEON_DOMAIN_GTT;
1113 }
1114 /* Just fail if the texture is too large. */
1115 if (!tex->domain) {
1116 goto fail;
1117 }
1118
1119 /* Create the backing buffer if needed. */
1120 if (!tex->buf) {
1121 tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048,
1122 tex->domain, RADEON_FLAG_HANDLE);
1123
1124 if (!tex->buf) {
1125 goto fail;
1126 }
1127 }
1128
1129 if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) {
1130 fprintf(stderr, "r300: %ix MSAA %s buffer created\n",
1131 base->nr_samples,
1132 util_format_is_depth_or_stencil(base->format) ? "depth" : "color");
1133 }
1134
1135 tiling.microtile = tex->tex.microtile;
1136 tiling.macrotile = tex->tex.macrotile[0];
1137 tiling.stride = tex->tex.stride_in_bytes[0];
1138 rws->buffer_set_metadata(tex->buf, &tiling);
1139
1140 return tex;
1141
1142 fail:
1143 FREE(tex);
1144 if (buffer)
1145 pb_reference(&buffer, NULL);
1146 return NULL;
1147 }
1148
1149 /* Create a new texture. */
r300_texture_create(struct pipe_screen * screen,const struct pipe_resource * base)1150 struct pipe_resource *r300_texture_create(struct pipe_screen *screen,
1151 const struct pipe_resource *base)
1152 {
1153 struct r300_screen *rscreen = r300_screen(screen);
1154 enum radeon_bo_layout microtile, macrotile;
1155
1156 if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) ||
1157 (base->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_LINEAR))) {
1158 microtile = RADEON_LAYOUT_LINEAR;
1159 macrotile = RADEON_LAYOUT_LINEAR;
1160 } else {
1161 /* This will make the texture_create_function select the layout. */
1162 microtile = RADEON_LAYOUT_UNKNOWN;
1163 macrotile = RADEON_LAYOUT_UNKNOWN;
1164 }
1165
1166 return (struct pipe_resource*)
1167 r300_texture_create_object(rscreen, base, microtile, macrotile,
1168 0, NULL);
1169 }
1170
r300_texture_from_handle(struct pipe_screen * screen,const struct pipe_resource * base,struct winsys_handle * whandle,unsigned usage)1171 struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen,
1172 const struct pipe_resource *base,
1173 struct winsys_handle *whandle,
1174 unsigned usage)
1175 {
1176 struct r300_screen *rscreen = r300_screen(screen);
1177 struct radeon_winsys *rws = rscreen->rws;
1178 struct pb_buffer *buffer;
1179 unsigned stride;
1180 struct radeon_bo_metadata tiling = {};
1181
1182 /* Support only 2D textures without mipmaps */
1183 if ((base->target != PIPE_TEXTURE_2D &&
1184 base->target != PIPE_TEXTURE_RECT) ||
1185 base->depth0 != 1 ||
1186 base->last_level != 0) {
1187 return NULL;
1188 }
1189
1190 buffer = rws->buffer_from_handle(rws, whandle, &stride, NULL);
1191 if (!buffer)
1192 return NULL;
1193
1194 rws->buffer_get_metadata(buffer, &tiling);
1195
1196 /* Enforce a microtiled zbuffer. */
1197 if (util_format_is_depth_or_stencil(base->format) &&
1198 tiling.microtile == RADEON_LAYOUT_LINEAR) {
1199 switch (util_format_get_blocksize(base->format)) {
1200 case 4:
1201 tiling.microtile = RADEON_LAYOUT_TILED;
1202 break;
1203
1204 case 2:
1205 tiling.microtile = RADEON_LAYOUT_SQUARETILED;
1206 break;
1207 }
1208 }
1209
1210 return (struct pipe_resource*)
1211 r300_texture_create_object(rscreen, base, tiling.microtile, tiling.macrotile,
1212 stride, buffer);
1213 }
1214
1215 /* Not required to implement u_resource_vtbl, consider moving to another file:
1216 */
r300_create_surface_custom(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl,unsigned width0_override,unsigned height0_override)1217 struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx,
1218 struct pipe_resource* texture,
1219 const struct pipe_surface *surf_tmpl,
1220 unsigned width0_override,
1221 unsigned height0_override)
1222 {
1223 struct r300_resource* tex = r300_resource(texture);
1224 struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
1225 unsigned level = surf_tmpl->u.tex.level;
1226
1227 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
1228
1229 if (surface) {
1230 uint32_t offset, tile_height;
1231
1232 pipe_reference_init(&surface->base.reference, 1);
1233 pipe_resource_reference(&surface->base.texture, texture);
1234 surface->base.context = ctx;
1235 surface->base.format = surf_tmpl->format;
1236 surface->base.width = u_minify(width0_override, level);
1237 surface->base.height = u_minify(height0_override, level);
1238 surface->base.u.tex.level = level;
1239 surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
1240 surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
1241
1242 surface->buf = tex->buf;
1243 surface->buf = tex->buf;
1244
1245 /* Prefer VRAM if there are multiple domains to choose from. */
1246 surface->domain = tex->domain;
1247 if (surface->domain & RADEON_DOMAIN_VRAM)
1248 surface->domain &= ~RADEON_DOMAIN_GTT;
1249
1250 surface->offset = r300_texture_get_offset(tex, level,
1251 surf_tmpl->u.tex.first_layer);
1252 r300_texture_setup_fb_state(surface);
1253
1254 /* Parameters for the CBZB clear. */
1255 surface->cbzb_allowed = tex->tex.cbzb_allowed[level];
1256 surface->cbzb_width = align(surface->base.width, 64);
1257
1258 /* Height must be aligned to the size of a tile. */
1259 tile_height = r300_get_pixel_alignment(surface->base.format,
1260 tex->b.b.nr_samples,
1261 tex->tex.microtile,
1262 tex->tex.macrotile[level],
1263 DIM_HEIGHT, 0);
1264
1265 surface->cbzb_height = align((surface->base.height + 1) / 2,
1266 tile_height);
1267
1268 /* Offset must be aligned to 2K and must point at the beginning
1269 * of a scanline. */
1270 offset = surface->offset +
1271 tex->tex.stride_in_bytes[level] * surface->cbzb_height;
1272 surface->cbzb_midpoint_offset = offset & ~2047;
1273
1274 surface->cbzb_pitch = surface->pitch & 0x1ffffc;
1275
1276 if (util_format_get_blocksizebits(surface->base.format) == 32)
1277 surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
1278 else
1279 surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
1280
1281 DBG(r300_context(ctx), DBG_CBZB,
1282 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1283 surface->cbzb_allowed ? "YES" : " NO",
1284 surface->cbzb_width, surface->cbzb_height,
1285 offset & 2047,
1286 tex->tex.microtile ? "YES" : " NO",
1287 tex->tex.macrotile[level] ? "YES" : " NO");
1288 }
1289
1290 return &surface->base;
1291 }
1292
r300_create_surface(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl)1293 struct pipe_surface* r300_create_surface(struct pipe_context * ctx,
1294 struct pipe_resource* texture,
1295 const struct pipe_surface *surf_tmpl)
1296 {
1297 return r300_create_surface_custom(ctx, texture, surf_tmpl,
1298 texture->width0,
1299 texture->height0);
1300 }
1301
1302 /* Not required to implement u_resource_vtbl, consider moving to another file:
1303 */
r300_surface_destroy(struct pipe_context * ctx,struct pipe_surface * s)1304 void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s)
1305 {
1306 pipe_resource_reference(&s->texture, NULL);
1307 FREE(s);
1308 }
1309