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
38 #include "pipe/p_screen.h"
39
40 /* These formats are supported by swapping their bytes.
41 * The swizzles must be set exactly like their non-swapped counterparts,
42 * because byte-swapping is what reverses the component order, not swizzling.
43 *
44 * This function returns the format that must be used to program CB and TX
45 * swizzles.
46 */
r300_unbyteswap_array_format(enum pipe_format format)47 static enum pipe_format r300_unbyteswap_array_format(enum pipe_format format)
48 {
49 /* FIXME: Disabled on little endian because of a reported regression:
50 * https://bugs.freedesktop.org/show_bug.cgi?id=98869 */
51 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG)
52 return format;
53
54 /* Only BGRA 8888 array formats are supported for simplicity of
55 * the implementation. */
56 switch (format) {
57 case PIPE_FORMAT_A8R8G8B8_UNORM:
58 return PIPE_FORMAT_B8G8R8A8_UNORM;
59 case PIPE_FORMAT_A8R8G8B8_SRGB:
60 return PIPE_FORMAT_B8G8R8A8_SRGB;
61 case PIPE_FORMAT_X8R8G8B8_UNORM:
62 return PIPE_FORMAT_B8G8R8X8_UNORM;
63 case PIPE_FORMAT_X8R8G8B8_SRGB:
64 return PIPE_FORMAT_B8G8R8X8_SRGB;
65 default:
66 return format;
67 }
68 }
69
r300_get_endian_swap(enum pipe_format format)70 static unsigned r300_get_endian_swap(enum pipe_format format)
71 {
72 const struct util_format_description *desc;
73 unsigned swap_size;
74
75 if (r300_unbyteswap_array_format(format) != format)
76 return R300_SURF_DWORD_SWAP;
77
78 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG)
79 return R300_SURF_NO_SWAP;
80
81 desc = util_format_description(format);
82 if (!desc)
83 return R300_SURF_NO_SWAP;
84
85 /* Compressed formats should be in the little endian format. */
86 if (desc->block.width != 1 || desc->block.height != 1)
87 return R300_SURF_NO_SWAP;
88
89 swap_size = desc->is_array ? desc->channel[0].size : desc->block.bits;
90
91 switch (swap_size) {
92 default: /* shouldn't happen? */
93 case 8:
94 return R300_SURF_NO_SWAP;
95 case 16:
96 return R300_SURF_WORD_SWAP;
97 case 32:
98 return R300_SURF_DWORD_SWAP;
99 }
100 }
101
r300_get_swizzle_combined(const unsigned char * swizzle_format,const unsigned char * swizzle_view,boolean dxtc_swizzle)102 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
103 const unsigned char *swizzle_view,
104 boolean dxtc_swizzle)
105 {
106 unsigned i;
107 unsigned char swizzle[4];
108 unsigned result = 0;
109 const uint32_t swizzle_shift[4] = {
110 R300_TX_FORMAT_R_SHIFT,
111 R300_TX_FORMAT_G_SHIFT,
112 R300_TX_FORMAT_B_SHIFT,
113 R300_TX_FORMAT_A_SHIFT
114 };
115 uint32_t swizzle_bit[4] = {
116 dxtc_swizzle ? R300_TX_FORMAT_Z : R300_TX_FORMAT_X,
117 R300_TX_FORMAT_Y,
118 dxtc_swizzle ? R300_TX_FORMAT_X : R300_TX_FORMAT_Z,
119 R300_TX_FORMAT_W
120 };
121
122 if (swizzle_view) {
123 /* Combine two sets of swizzles. */
124 util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
125 } else {
126 memcpy(swizzle, swizzle_format, 4);
127 }
128
129 /* Get swizzle. */
130 for (i = 0; i < 4; i++) {
131 switch (swizzle[i]) {
132 case PIPE_SWIZZLE_Y:
133 result |= swizzle_bit[1] << swizzle_shift[i];
134 break;
135 case PIPE_SWIZZLE_Z:
136 result |= swizzle_bit[2] << swizzle_shift[i];
137 break;
138 case PIPE_SWIZZLE_W:
139 result |= swizzle_bit[3] << swizzle_shift[i];
140 break;
141 case PIPE_SWIZZLE_0:
142 result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
143 break;
144 case PIPE_SWIZZLE_1:
145 result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
146 break;
147 default: /* PIPE_SWIZZLE_X */
148 result |= swizzle_bit[0] << swizzle_shift[i];
149 }
150 }
151 return result;
152 }
153
154 /* Translate a pipe_format into a useful texture format for sampling.
155 *
156 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
157 * but the majority of them is translated in a generic way, automatically
158 * supporting all the formats hw can support.
159 *
160 * R300_EASY_TX_FORMAT swizzles the texture.
161 * Note the signature of R300_EASY_TX_FORMAT:
162 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
163 *
164 * The FORMAT specifies how the texture sampler will treat the texture, and
165 * 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)166 uint32_t r300_translate_texformat(enum pipe_format format,
167 const unsigned char *swizzle_view,
168 boolean is_r500,
169 boolean dxtc_swizzle)
170 {
171 uint32_t result = 0;
172 const struct util_format_description *desc;
173 unsigned i;
174 boolean uniform = TRUE;
175 const uint32_t sign_bit[4] = {
176 R300_TX_FORMAT_SIGNED_W,
177 R300_TX_FORMAT_SIGNED_Z,
178 R300_TX_FORMAT_SIGNED_Y,
179 R300_TX_FORMAT_SIGNED_X,
180 };
181
182 format = r300_unbyteswap_array_format(format);
183 desc = util_format_description(format);
184
185 /* Colorspace (return non-RGB formats directly). */
186 switch (desc->colorspace) {
187 /* Depth stencil formats.
188 * Swizzles are added in r300_merge_textures_and_samplers. */
189 case UTIL_FORMAT_COLORSPACE_ZS:
190 switch (format) {
191 case PIPE_FORMAT_Z16_UNORM:
192 return R300_TX_FORMAT_X16;
193 case PIPE_FORMAT_X8Z24_UNORM:
194 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
195 if (is_r500)
196 return R500_TX_FORMAT_Y8X24;
197 else
198 return R300_TX_FORMAT_Y16X16;
199 default:
200 return ~0; /* Unsupported. */
201 }
202
203 /* YUV formats. */
204 case UTIL_FORMAT_COLORSPACE_YUV:
205 result |= R300_TX_FORMAT_YUV_TO_RGB;
206
207 switch (format) {
208 case PIPE_FORMAT_UYVY:
209 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
210 case PIPE_FORMAT_YUYV:
211 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
212 default:
213 return ~0; /* Unsupported/unknown. */
214 }
215
216 /* Add gamma correction. */
217 case UTIL_FORMAT_COLORSPACE_SRGB:
218 result |= R300_TX_FORMAT_GAMMA;
219 break;
220
221 default:
222 switch (format) {
223 /* Same as YUV but without the YUR->RGB conversion. */
224 case PIPE_FORMAT_R8G8_B8G8_UNORM:
225 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
226 case PIPE_FORMAT_G8R8_G8B8_UNORM:
227 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
228 default:;
229 }
230 }
231
232 /* Add swizzling. */
233 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
234 if (util_format_is_compressed(format) &&
235 dxtc_swizzle &&
236 format != PIPE_FORMAT_RGTC2_UNORM &&
237 format != PIPE_FORMAT_RGTC2_SNORM &&
238 format != PIPE_FORMAT_LATC2_UNORM &&
239 format != PIPE_FORMAT_LATC2_SNORM &&
240 format != PIPE_FORMAT_RGTC1_UNORM &&
241 format != PIPE_FORMAT_RGTC1_SNORM &&
242 format != PIPE_FORMAT_LATC1_UNORM &&
243 format != PIPE_FORMAT_LATC1_SNORM) {
244 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
245 TRUE);
246 } else {
247 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view,
248 FALSE);
249 }
250
251 /* S3TC formats. */
252 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
253 switch (format) {
254 case PIPE_FORMAT_DXT1_RGB:
255 case PIPE_FORMAT_DXT1_RGBA:
256 case PIPE_FORMAT_DXT1_SRGB:
257 case PIPE_FORMAT_DXT1_SRGBA:
258 return R300_TX_FORMAT_DXT1 | result;
259 case PIPE_FORMAT_DXT3_RGBA:
260 case PIPE_FORMAT_DXT3_SRGBA:
261 return R300_TX_FORMAT_DXT3 | result;
262 case PIPE_FORMAT_DXT5_RGBA:
263 case PIPE_FORMAT_DXT5_SRGBA:
264 return R300_TX_FORMAT_DXT5 | result;
265 default:
266 return ~0; /* Unsupported/unknown. */
267 }
268 }
269
270 /* RGTC formats. */
271 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
272 switch (format) {
273 case PIPE_FORMAT_RGTC1_SNORM:
274 case PIPE_FORMAT_LATC1_SNORM:
275 result |= sign_bit[0];
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 case PIPE_FORMAT_RGTC2_UNORM:
284 case PIPE_FORMAT_LATC2_UNORM:
285 return R400_TX_FORMAT_ATI2N | result;
286
287 default:
288 return ~0; /* Unsupported/unknown. */
289 }
290 }
291
292 /* This is truly a special format.
293 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
294 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
295 if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
296 return R300_TX_FORMAT_CxV8U8 | result;
297 }
298
299 /* Integer and fixed-point 16.16 textures are not supported. */
300 for (i = 0; i < 4; i++) {
301 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED ||
302 ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
303 desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) &&
304 (!desc->channel[i].normalized ||
305 desc->channel[i].pure_integer))) {
306 return ~0; /* Unsupported/unknown. */
307 }
308 }
309
310 /* Add sign. */
311 for (i = 0; i < desc->nr_channels; i++) {
312 if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
313 result |= sign_bit[i];
314 }
315 }
316
317 /* See whether the components are of the same size. */
318 for (i = 1; i < desc->nr_channels; i++) {
319 uniform = uniform && desc->channel[0].size == desc->channel[i].size;
320 }
321
322 /* Non-uniform formats. */
323 if (!uniform) {
324 switch (desc->nr_channels) {
325 case 3:
326 if (desc->channel[0].size == 5 &&
327 desc->channel[1].size == 6 &&
328 desc->channel[2].size == 5) {
329 return R300_TX_FORMAT_Z5Y6X5 | result;
330 }
331 if (desc->channel[0].size == 5 &&
332 desc->channel[1].size == 5 &&
333 desc->channel[2].size == 6) {
334 return R300_TX_FORMAT_Z6Y5X5 | result;
335 }
336 if (desc->channel[0].size == 2 &&
337 desc->channel[1].size == 3 &&
338 desc->channel[2].size == 3) {
339 return R300_TX_FORMAT_Z3Y3X2 | result;
340 }
341 return ~0; /* Unsupported/unknown. */
342
343 case 4:
344 if (desc->channel[0].size == 5 &&
345 desc->channel[1].size == 5 &&
346 desc->channel[2].size == 5 &&
347 desc->channel[3].size == 1) {
348 return R300_TX_FORMAT_W1Z5Y5X5 | result;
349 }
350 if (desc->channel[0].size == 10 &&
351 desc->channel[1].size == 10 &&
352 desc->channel[2].size == 10 &&
353 desc->channel[3].size == 2) {
354 return R300_TX_FORMAT_W2Z10Y10X10 | result;
355 }
356 }
357 return ~0; /* Unsupported/unknown. */
358 }
359
360 /* Find the first non-VOID channel. */
361 for (i = 0; i < 4; i++) {
362 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
363 break;
364 }
365 }
366
367 if (i == 4)
368 return ~0; /* Unsupported/unknown. */
369
370 /* And finally, uniform formats. */
371 switch (desc->channel[i].type) {
372 case UTIL_FORMAT_TYPE_UNSIGNED:
373 case UTIL_FORMAT_TYPE_SIGNED:
374 if (!desc->channel[i].normalized &&
375 desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
376 return ~0;
377 }
378
379 switch (desc->channel[i].size) {
380 case 4:
381 switch (desc->nr_channels) {
382 case 2:
383 return R300_TX_FORMAT_Y4X4 | result;
384 case 4:
385 return R300_TX_FORMAT_W4Z4Y4X4 | result;
386 }
387 return ~0;
388
389 case 8:
390 switch (desc->nr_channels) {
391 case 1:
392 return R300_TX_FORMAT_X8 | result;
393 case 2:
394 return R300_TX_FORMAT_Y8X8 | result;
395 case 4:
396 return R300_TX_FORMAT_W8Z8Y8X8 | result;
397 }
398 return ~0;
399
400 case 16:
401 switch (desc->nr_channels) {
402 case 1:
403 return R300_TX_FORMAT_X16 | result;
404 case 2:
405 return R300_TX_FORMAT_Y16X16 | result;
406 case 4:
407 return R300_TX_FORMAT_W16Z16Y16X16 | result;
408 }
409 }
410 return ~0;
411
412 case UTIL_FORMAT_TYPE_FLOAT:
413 switch (desc->channel[i].size) {
414 case 16:
415 switch (desc->nr_channels) {
416 case 1:
417 return R300_TX_FORMAT_16F | result;
418 case 2:
419 return R300_TX_FORMAT_16F_16F | result;
420 case 4:
421 return R300_TX_FORMAT_16F_16F_16F_16F | result;
422 }
423 return ~0;
424
425 case 32:
426 switch (desc->nr_channels) {
427 case 1:
428 return R300_TX_FORMAT_32F | result;
429 case 2:
430 return R300_TX_FORMAT_32F_32F | result;
431 case 4:
432 return R300_TX_FORMAT_32F_32F_32F_32F | result;
433 }
434 }
435 }
436
437 return ~0; /* Unsupported/unknown. */
438 }
439
r500_tx_format_msb_bit(enum pipe_format format)440 uint32_t r500_tx_format_msb_bit(enum pipe_format format)
441 {
442 switch (format) {
443 case PIPE_FORMAT_RGTC1_UNORM:
444 case PIPE_FORMAT_RGTC1_SNORM:
445 case PIPE_FORMAT_LATC1_UNORM:
446 case PIPE_FORMAT_LATC1_SNORM:
447 case PIPE_FORMAT_X8Z24_UNORM:
448 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
449 return R500_TXFORMAT_MSB;
450 default:
451 return 0;
452 }
453 }
454
455 /* Buffer formats. */
456
457 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
458 * output. For the swizzling of the targets, check the shader's format. */
r300_translate_colorformat(enum pipe_format format)459 static uint32_t r300_translate_colorformat(enum pipe_format format)
460 {
461 format = r300_unbyteswap_array_format(format);
462
463 switch (format) {
464 /* 8-bit buffers. */
465 case PIPE_FORMAT_A8_UNORM:
466 case PIPE_FORMAT_A8_SNORM:
467 case PIPE_FORMAT_I8_UNORM:
468 case PIPE_FORMAT_I8_SNORM:
469 case PIPE_FORMAT_L8_UNORM:
470 case PIPE_FORMAT_L8_SNORM:
471 case PIPE_FORMAT_R8_UNORM:
472 case PIPE_FORMAT_R8_SNORM:
473 return R300_COLOR_FORMAT_I8;
474
475 /* 16-bit buffers. */
476 case PIPE_FORMAT_L8A8_UNORM:
477 case PIPE_FORMAT_L8A8_SNORM:
478 case PIPE_FORMAT_R8G8_UNORM:
479 case PIPE_FORMAT_R8G8_SNORM:
480 case PIPE_FORMAT_R8A8_UNORM:
481 case PIPE_FORMAT_R8A8_SNORM:
482 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
483 case PIPE_FORMAT_A16_UNORM:
484 case PIPE_FORMAT_A16_SNORM:
485 case PIPE_FORMAT_A16_FLOAT:
486 case PIPE_FORMAT_L16_UNORM:
487 case PIPE_FORMAT_L16_SNORM:
488 case PIPE_FORMAT_L16_FLOAT:
489 case PIPE_FORMAT_I16_UNORM:
490 case PIPE_FORMAT_I16_SNORM:
491 case PIPE_FORMAT_I16_FLOAT:
492 case PIPE_FORMAT_R16_UNORM:
493 case PIPE_FORMAT_R16_SNORM:
494 case PIPE_FORMAT_R16_FLOAT:
495 return R300_COLOR_FORMAT_UV88;
496
497 case PIPE_FORMAT_B5G6R5_UNORM:
498 return R300_COLOR_FORMAT_RGB565;
499
500 case PIPE_FORMAT_B5G5R5A1_UNORM:
501 case PIPE_FORMAT_B5G5R5X1_UNORM:
502 return R300_COLOR_FORMAT_ARGB1555;
503
504 case PIPE_FORMAT_B4G4R4A4_UNORM:
505 case PIPE_FORMAT_B4G4R4X4_UNORM:
506 return R300_COLOR_FORMAT_ARGB4444;
507
508 /* 32-bit buffers. */
509 case PIPE_FORMAT_B8G8R8A8_UNORM:
510 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
511 case PIPE_FORMAT_B8G8R8X8_UNORM:
512 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
513 case PIPE_FORMAT_R8G8B8A8_UNORM:
514 case PIPE_FORMAT_R8G8B8A8_SNORM:
515 case PIPE_FORMAT_R8G8B8X8_UNORM:
516 case PIPE_FORMAT_R8G8B8X8_SNORM:
517 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
518 * correctly. */
519 case PIPE_FORMAT_R16G16_UNORM:
520 case PIPE_FORMAT_R16G16_SNORM:
521 case PIPE_FORMAT_R16G16_FLOAT:
522 case PIPE_FORMAT_L16A16_UNORM:
523 case PIPE_FORMAT_L16A16_SNORM:
524 case PIPE_FORMAT_L16A16_FLOAT:
525 case PIPE_FORMAT_R16A16_UNORM:
526 case PIPE_FORMAT_R16A16_SNORM:
527 case PIPE_FORMAT_R16A16_FLOAT:
528 case PIPE_FORMAT_A32_FLOAT:
529 case PIPE_FORMAT_L32_FLOAT:
530 case PIPE_FORMAT_I32_FLOAT:
531 case PIPE_FORMAT_R32_FLOAT:
532 return R300_COLOR_FORMAT_ARGB8888;
533
534 case PIPE_FORMAT_R10G10B10A2_UNORM:
535 case PIPE_FORMAT_R10G10B10X2_SNORM:
536 case PIPE_FORMAT_B10G10R10A2_UNORM:
537 case PIPE_FORMAT_B10G10R10X2_UNORM:
538 return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
539
540 /* 64-bit buffers. */
541 case PIPE_FORMAT_R16G16B16A16_UNORM:
542 case PIPE_FORMAT_R16G16B16A16_SNORM:
543 case PIPE_FORMAT_R16G16B16A16_FLOAT:
544 case PIPE_FORMAT_R16G16B16X16_UNORM:
545 case PIPE_FORMAT_R16G16B16X16_SNORM:
546 case PIPE_FORMAT_R16G16B16X16_FLOAT:
547 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
548 * correctly. */
549 case PIPE_FORMAT_R32G32_FLOAT:
550 case PIPE_FORMAT_L32A32_FLOAT:
551 case PIPE_FORMAT_R32A32_FLOAT:
552 return R300_COLOR_FORMAT_ARGB16161616;
553
554 /* 128-bit buffers. */
555 case PIPE_FORMAT_R32G32B32A32_FLOAT:
556 case PIPE_FORMAT_R32G32B32X32_FLOAT:
557 return R300_COLOR_FORMAT_ARGB32323232;
558
559 /* YUV buffers. */
560 case PIPE_FORMAT_UYVY:
561 return R300_COLOR_FORMAT_YVYU;
562 case PIPE_FORMAT_YUYV:
563 return R300_COLOR_FORMAT_VYUY;
564 default:
565 return ~0; /* Unsupported. */
566 }
567 }
568
569 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
r300_translate_zsformat(enum pipe_format format)570 static uint32_t r300_translate_zsformat(enum pipe_format format)
571 {
572 switch (format) {
573 /* 16-bit depth, no stencil */
574 case PIPE_FORMAT_Z16_UNORM:
575 return R300_DEPTHFORMAT_16BIT_INT_Z;
576 /* 24-bit depth, ignored stencil */
577 case PIPE_FORMAT_X8Z24_UNORM:
578 /* 24-bit depth, 8-bit stencil */
579 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
580 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
581 default:
582 return ~0; /* Unsupported. */
583 }
584 }
585
586 /* Shader output formats. This is essentially the swizzle from the shader
587 * to the RB3D block.
588 *
589 * Note that formats are stored from C3 to C0. */
r300_translate_out_fmt(enum pipe_format format)590 static uint32_t r300_translate_out_fmt(enum pipe_format format)
591 {
592 uint32_t modifier = 0;
593 unsigned i;
594 const struct util_format_description *desc;
595 boolean uniform_sign;
596
597 format = r300_unbyteswap_array_format(format);
598 desc = util_format_description(format);
599
600 /* Find the first non-VOID channel. */
601 for (i = 0; i < 4; i++) {
602 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
603 break;
604 }
605 }
606
607 if (i == 4)
608 return ~0; /* Unsupported/unknown. */
609
610 /* Specifies how the shader output is written to the fog unit. */
611 switch (desc->channel[i].type) {
612 case UTIL_FORMAT_TYPE_FLOAT:
613 switch (desc->channel[i].size) {
614 case 32:
615 switch (desc->nr_channels) {
616 case 1:
617 modifier |= R300_US_OUT_FMT_C_32_FP;
618 break;
619 case 2:
620 modifier |= R300_US_OUT_FMT_C2_32_FP;
621 break;
622 case 4:
623 modifier |= R300_US_OUT_FMT_C4_32_FP;
624 break;
625 }
626 break;
627
628 case 16:
629 switch (desc->nr_channels) {
630 case 1:
631 modifier |= R300_US_OUT_FMT_C_16_FP;
632 break;
633 case 2:
634 modifier |= R300_US_OUT_FMT_C2_16_FP;
635 break;
636 case 4:
637 modifier |= R300_US_OUT_FMT_C4_16_FP;
638 break;
639 }
640 break;
641 }
642 break;
643
644 default:
645 switch (desc->channel[i].size) {
646 case 16:
647 switch (desc->nr_channels) {
648 case 1:
649 modifier |= R300_US_OUT_FMT_C_16;
650 break;
651 case 2:
652 modifier |= R300_US_OUT_FMT_C2_16;
653 break;
654 case 4:
655 modifier |= R300_US_OUT_FMT_C4_16;
656 break;
657 }
658 break;
659
660 case 10:
661 modifier |= R300_US_OUT_FMT_C4_10;
662 break;
663
664 default:
665 /* C4_8 seems to be used for the formats whose pixel size
666 * is <= 32 bits. */
667 modifier |= R300_US_OUT_FMT_C4_8;
668 break;
669 }
670 }
671
672 /* Add sign. */
673 uniform_sign = TRUE;
674 for (i = 0; i < desc->nr_channels; i++)
675 if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED)
676 uniform_sign = FALSE;
677
678 if (uniform_sign)
679 modifier |= R300_OUT_SIGN(0xf);
680
681 /* Add swizzles and return. */
682 switch (format) {
683 /*** Special cases (non-standard channel mapping) ***/
684
685 /* X8
686 * COLORFORMAT_I8 stores the Z component (C2). */
687 case PIPE_FORMAT_A8_UNORM:
688 case PIPE_FORMAT_A8_SNORM:
689 return modifier | R300_C2_SEL_A;
690 case PIPE_FORMAT_I8_UNORM:
691 case PIPE_FORMAT_I8_SNORM:
692 case PIPE_FORMAT_L8_UNORM:
693 case PIPE_FORMAT_L8_SNORM:
694 case PIPE_FORMAT_R8_UNORM:
695 case PIPE_FORMAT_R8_SNORM:
696 return modifier | R300_C2_SEL_R;
697
698 /* X8Y8
699 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
700 case PIPE_FORMAT_L8A8_SNORM:
701 case PIPE_FORMAT_L8A8_UNORM:
702 case PIPE_FORMAT_R8A8_SNORM:
703 case PIPE_FORMAT_R8A8_UNORM:
704 return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
705 case PIPE_FORMAT_R8G8_SNORM:
706 case PIPE_FORMAT_R8G8_UNORM:
707 return modifier | R300_C0_SEL_G | R300_C2_SEL_R;
708
709 /* X32Y32
710 * ARGB16161616 stores XZ for RG32F */
711 case PIPE_FORMAT_R32G32_FLOAT:
712 return modifier | R300_C0_SEL_R | R300_C2_SEL_G;
713
714 /*** Generic cases (standard channel mapping) ***/
715
716 /* BGRA outputs. */
717 case PIPE_FORMAT_B5G6R5_UNORM:
718 case PIPE_FORMAT_B5G5R5A1_UNORM:
719 case PIPE_FORMAT_B5G5R5X1_UNORM:
720 case PIPE_FORMAT_B4G4R4A4_UNORM:
721 case PIPE_FORMAT_B4G4R4X4_UNORM:
722 case PIPE_FORMAT_B8G8R8A8_UNORM:
723 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
724 case PIPE_FORMAT_B8G8R8X8_UNORM:
725 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
726 case PIPE_FORMAT_B10G10R10A2_UNORM:
727 case PIPE_FORMAT_B10G10R10X2_UNORM:
728 return modifier |
729 R300_C0_SEL_B | R300_C1_SEL_G |
730 R300_C2_SEL_R | R300_C3_SEL_A;
731
732 /* ARGB outputs. */
733 case PIPE_FORMAT_A16_UNORM:
734 case PIPE_FORMAT_A16_SNORM:
735 case PIPE_FORMAT_A16_FLOAT:
736 case PIPE_FORMAT_A32_FLOAT:
737 return modifier |
738 R300_C0_SEL_A | R300_C1_SEL_R |
739 R300_C2_SEL_G | R300_C3_SEL_B;
740
741 /* RGBA outputs. */
742 case PIPE_FORMAT_R8G8B8X8_UNORM:
743 case PIPE_FORMAT_R8G8B8X8_SNORM:
744 case PIPE_FORMAT_R8G8B8A8_UNORM:
745 case PIPE_FORMAT_R8G8B8A8_SNORM:
746 case PIPE_FORMAT_R10G10B10A2_UNORM:
747 case PIPE_FORMAT_R10G10B10X2_SNORM:
748 case PIPE_FORMAT_R16_UNORM:
749 case PIPE_FORMAT_R16G16_UNORM:
750 case PIPE_FORMAT_R16G16B16A16_UNORM:
751 case PIPE_FORMAT_R16_SNORM:
752 case PIPE_FORMAT_R16G16_SNORM:
753 case PIPE_FORMAT_R16G16B16A16_SNORM:
754 case PIPE_FORMAT_R16_FLOAT:
755 case PIPE_FORMAT_R16G16_FLOAT:
756 case PIPE_FORMAT_R16G16B16A16_FLOAT:
757 case PIPE_FORMAT_R32_FLOAT:
758 case PIPE_FORMAT_R32G32B32A32_FLOAT:
759 case PIPE_FORMAT_R32G32B32X32_FLOAT:
760 case PIPE_FORMAT_L16_UNORM:
761 case PIPE_FORMAT_L16_SNORM:
762 case PIPE_FORMAT_L16_FLOAT:
763 case PIPE_FORMAT_L32_FLOAT:
764 case PIPE_FORMAT_I16_UNORM:
765 case PIPE_FORMAT_I16_SNORM:
766 case PIPE_FORMAT_I16_FLOAT:
767 case PIPE_FORMAT_I32_FLOAT:
768 case PIPE_FORMAT_R16G16B16X16_UNORM:
769 case PIPE_FORMAT_R16G16B16X16_SNORM:
770 case PIPE_FORMAT_R16G16B16X16_FLOAT:
771 return modifier |
772 R300_C0_SEL_R | R300_C1_SEL_G |
773 R300_C2_SEL_B | R300_C3_SEL_A;
774
775 /* LA outputs. */
776 case PIPE_FORMAT_L16A16_UNORM:
777 case PIPE_FORMAT_L16A16_SNORM:
778 case PIPE_FORMAT_L16A16_FLOAT:
779 case PIPE_FORMAT_R16A16_UNORM:
780 case PIPE_FORMAT_R16A16_SNORM:
781 case PIPE_FORMAT_R16A16_FLOAT:
782 case PIPE_FORMAT_L32A32_FLOAT:
783 case PIPE_FORMAT_R32A32_FLOAT:
784 return modifier |
785 R300_C0_SEL_R | R300_C1_SEL_A;
786
787 default:
788 return ~0; /* Unsupported. */
789 }
790 }
791
r300_translate_colormask_swizzle(enum pipe_format format)792 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format)
793 {
794 format = r300_unbyteswap_array_format(format);
795
796 switch (format) {
797 case PIPE_FORMAT_A8_UNORM:
798 case PIPE_FORMAT_A8_SNORM:
799 case PIPE_FORMAT_A16_UNORM:
800 case PIPE_FORMAT_A16_SNORM:
801 case PIPE_FORMAT_A16_FLOAT:
802 case PIPE_FORMAT_A32_FLOAT:
803 return COLORMASK_AAAA;
804
805 case PIPE_FORMAT_I8_UNORM:
806 case PIPE_FORMAT_I8_SNORM:
807 case PIPE_FORMAT_L8_UNORM:
808 case PIPE_FORMAT_L8_SNORM:
809 case PIPE_FORMAT_R8_UNORM:
810 case PIPE_FORMAT_R8_SNORM:
811 case PIPE_FORMAT_R32_FLOAT:
812 case PIPE_FORMAT_L32_FLOAT:
813 case PIPE_FORMAT_I32_FLOAT:
814 return COLORMASK_RRRR;
815
816 case PIPE_FORMAT_L8A8_SNORM:
817 case PIPE_FORMAT_L8A8_UNORM:
818 case PIPE_FORMAT_R8A8_UNORM:
819 case PIPE_FORMAT_R8A8_SNORM:
820 case PIPE_FORMAT_L16A16_UNORM:
821 case PIPE_FORMAT_L16A16_SNORM:
822 case PIPE_FORMAT_L16A16_FLOAT:
823 case PIPE_FORMAT_R16A16_UNORM:
824 case PIPE_FORMAT_R16A16_SNORM:
825 case PIPE_FORMAT_R16A16_FLOAT:
826 case PIPE_FORMAT_L32A32_FLOAT:
827 case PIPE_FORMAT_R32A32_FLOAT:
828 return COLORMASK_ARRA;
829
830 case PIPE_FORMAT_R8G8_SNORM:
831 case PIPE_FORMAT_R8G8_UNORM:
832 case PIPE_FORMAT_R16G16_UNORM:
833 case PIPE_FORMAT_R16G16_SNORM:
834 case PIPE_FORMAT_R16G16_FLOAT:
835 case PIPE_FORMAT_R32G32_FLOAT:
836 return COLORMASK_GRRG;
837
838 case PIPE_FORMAT_B5G5R5X1_UNORM:
839 case PIPE_FORMAT_B4G4R4X4_UNORM:
840 case PIPE_FORMAT_B8G8R8X8_UNORM:
841 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
842 case PIPE_FORMAT_B10G10R10X2_UNORM:
843 return COLORMASK_BGRX;
844
845 case PIPE_FORMAT_B5G6R5_UNORM:
846 case PIPE_FORMAT_B5G5R5A1_UNORM:
847 case PIPE_FORMAT_B4G4R4A4_UNORM:
848 case PIPE_FORMAT_B8G8R8A8_UNORM:
849 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
850 case PIPE_FORMAT_B10G10R10A2_UNORM:
851 return COLORMASK_BGRA;
852
853 case PIPE_FORMAT_R8G8B8X8_UNORM:
854 /* RGBX_SNORM formats are broken for an unknown reason */
855 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
856 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
857 case PIPE_FORMAT_R16G16B16X16_UNORM:
858 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
859 case PIPE_FORMAT_R16G16B16X16_FLOAT:
860 case PIPE_FORMAT_R32G32B32X32_FLOAT:
861 return COLORMASK_RGBX;
862
863 case PIPE_FORMAT_R8G8B8A8_UNORM:
864 case PIPE_FORMAT_R8G8B8A8_SNORM:
865 case PIPE_FORMAT_R10G10B10A2_UNORM:
866 case PIPE_FORMAT_R16_UNORM:
867 case PIPE_FORMAT_R16G16B16A16_UNORM:
868 case PIPE_FORMAT_R16_SNORM:
869 case PIPE_FORMAT_R16G16B16A16_SNORM:
870 case PIPE_FORMAT_R16_FLOAT:
871 case PIPE_FORMAT_R16G16B16A16_FLOAT:
872 case PIPE_FORMAT_R32G32B32A32_FLOAT:
873 case PIPE_FORMAT_L16_UNORM:
874 case PIPE_FORMAT_L16_SNORM:
875 case PIPE_FORMAT_L16_FLOAT:
876 case PIPE_FORMAT_I16_UNORM:
877 case PIPE_FORMAT_I16_SNORM:
878 case PIPE_FORMAT_I16_FLOAT:
879 return COLORMASK_RGBA;
880
881 default:
882 return ~0; /* Unsupported. */
883 }
884 }
885
r300_is_colorbuffer_format_supported(enum pipe_format format)886 boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
887 {
888 return r300_translate_colorformat(format) != ~0 &&
889 r300_translate_out_fmt(format) != ~0 &&
890 r300_translate_colormask_swizzle(format) != ~0;
891 }
892
r300_is_zs_format_supported(enum pipe_format format)893 boolean r300_is_zs_format_supported(enum pipe_format format)
894 {
895 return r300_translate_zsformat(format) != ~0;
896 }
897
r300_is_sampler_format_supported(enum pipe_format format)898 boolean r300_is_sampler_format_supported(enum pipe_format format)
899 {
900 return r300_translate_texformat(format, 0, TRUE, FALSE) != ~0;
901 }
902
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)903 void r300_texture_setup_format_state(struct r300_screen *screen,
904 struct r300_resource *tex,
905 enum pipe_format format,
906 unsigned level,
907 unsigned width0_override,
908 unsigned height0_override,
909 struct r300_texture_format_state *out)
910 {
911 struct pipe_resource *pt = &tex->b.b;
912 struct r300_texture_desc *desc = &tex->tex;
913 boolean is_r500 = screen->caps.is_r500;
914 unsigned width, height, depth;
915 unsigned txwidth, txheight, txdepth;
916
917 width = u_minify(width0_override, level);
918 height = u_minify(height0_override, level);
919 depth = u_minify(desc->depth0, level);
920
921 txwidth = (width - 1) & 0x7ff;
922 txheight = (height - 1) & 0x7ff;
923 txdepth = util_logbase2(depth) & 0xf;
924
925 /* Mask out all the fields we change. */
926 out->format0 = 0;
927 out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK;
928 out->format2 &= R500_TXFORMAT_MSB;
929 out->tile_config = 0;
930
931 /* Set sampler state. */
932 out->format0 =
933 R300_TX_WIDTH(txwidth) |
934 R300_TX_HEIGHT(txheight) |
935 R300_TX_DEPTH(txdepth);
936
937 if (desc->uses_stride_addressing) {
938 unsigned stride =
939 r300_stride_to_width(format, desc->stride_in_bytes[level]);
940 /* rectangles love this */
941 out->format0 |= R300_TX_PITCH_EN;
942 out->format2 = (stride - 1) & 0x1fff;
943 }
944
945 if (pt->target == PIPE_TEXTURE_CUBE) {
946 out->format1 |= R300_TX_FORMAT_CUBIC_MAP;
947 }
948 if (pt->target == PIPE_TEXTURE_3D) {
949 out->format1 |= R300_TX_FORMAT_3D;
950 }
951
952 /* large textures on r500 */
953 if (is_r500)
954 {
955 unsigned us_width = txwidth;
956 unsigned us_height = txheight;
957 unsigned us_depth = txdepth;
958
959 if (width > 2048) {
960 out->format2 |= R500_TXWIDTH_BIT11;
961 }
962 if (height > 2048) {
963 out->format2 |= R500_TXHEIGHT_BIT11;
964 }
965
966 /* The US_FORMAT register fixes an R500 TX addressing bug.
967 * Don't ask why it must be set like this. I don't know it either. */
968 if (width > 2048) {
969 us_width = (0x000007FF + us_width) >> 1;
970 us_depth |= 0x0000000D;
971 }
972 if (height > 2048) {
973 us_height = (0x000007FF + us_height) >> 1;
974 us_depth |= 0x0000000E;
975 }
976
977 out->us_format0 =
978 R300_TX_WIDTH(us_width) |
979 R300_TX_HEIGHT(us_height) |
980 R300_TX_DEPTH(us_depth);
981 }
982
983 out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) |
984 R300_TXO_MICRO_TILE(desc->microtile) |
985 R300_TXO_ENDIAN(r300_get_endian_swap(format));
986 }
987
r300_texture_setup_fb_state(struct r300_surface * surf)988 static void r300_texture_setup_fb_state(struct r300_surface *surf)
989 {
990 struct r300_resource *tex = r300_resource(surf->base.texture);
991 unsigned level = surf->base.u.tex.level;
992 unsigned stride =
993 r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]);
994
995 /* Set framebuffer state. */
996 if (util_format_is_depth_or_stencil(surf->base.format)) {
997 surf->pitch =
998 stride |
999 R300_DEPTHMACROTILE(tex->tex.macrotile[level]) |
1000 R300_DEPTHMICROTILE(tex->tex.microtile) |
1001 R300_DEPTHENDIAN(r300_get_endian_swap(surf->base.format));
1002 surf->format = r300_translate_zsformat(surf->base.format);
1003 surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level];
1004 surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level];
1005 } else {
1006 enum pipe_format format = util_format_linear(surf->base.format);
1007
1008 surf->pitch =
1009 stride |
1010 r300_translate_colorformat(format) |
1011 R300_COLOR_TILE(tex->tex.macrotile[level]) |
1012 R300_COLOR_MICROTILE(tex->tex.microtile) |
1013 R300_COLOR_ENDIAN(r300_get_endian_swap(format));
1014 surf->format = r300_translate_out_fmt(format);
1015 surf->colormask_swizzle =
1016 r300_translate_colormask_swizzle(format);
1017 surf->pitch_cmask = tex->tex.cmask_stride_in_pixels;
1018 }
1019 }
1020
r300_texture_destroy(struct pipe_screen * screen,struct pipe_resource * texture)1021 static void r300_texture_destroy(struct pipe_screen *screen,
1022 struct pipe_resource* texture)
1023 {
1024 struct r300_screen *rscreen = r300_screen(screen);
1025 struct r300_resource* tex = (struct r300_resource*)texture;
1026
1027 if (tex->tex.cmask_dwords) {
1028 mtx_lock(&rscreen->cmask_mutex);
1029 if (texture == rscreen->cmask_resource) {
1030 rscreen->cmask_resource = NULL;
1031 }
1032 mtx_unlock(&rscreen->cmask_mutex);
1033 }
1034 pb_reference(&tex->buf, NULL);
1035 FREE(tex);
1036 }
1037
r300_resource_get_handle(struct pipe_screen * screen,struct pipe_context * ctx,struct pipe_resource * texture,struct winsys_handle * whandle,unsigned usage)1038 boolean r300_resource_get_handle(struct pipe_screen* screen,
1039 struct pipe_context *ctx,
1040 struct pipe_resource *texture,
1041 struct winsys_handle *whandle,
1042 unsigned usage)
1043 {
1044 struct radeon_winsys *rws = r300_screen(screen)->rws;
1045 struct r300_resource* tex = (struct r300_resource*)texture;
1046
1047 if (!tex) {
1048 return FALSE;
1049 }
1050
1051 return rws->buffer_get_handle(tex->buf, tex->tex.stride_in_bytes[0],
1052 0, 0, whandle);
1053 }
1054
1055 static const struct u_resource_vtbl r300_texture_vtbl =
1056 {
1057 NULL, /* get_handle */
1058 r300_texture_destroy, /* resource_destroy */
1059 r300_texture_transfer_map, /* transfer_map */
1060 NULL, /* transfer_flush_region */
1061 r300_texture_transfer_unmap, /* transfer_unmap */
1062 };
1063
1064 /* The common texture constructor. */
1065 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)1066 r300_texture_create_object(struct r300_screen *rscreen,
1067 const struct pipe_resource *base,
1068 enum radeon_bo_layout microtile,
1069 enum radeon_bo_layout macrotile,
1070 unsigned stride_in_bytes_override,
1071 struct pb_buffer *buffer)
1072 {
1073 struct radeon_winsys *rws = rscreen->rws;
1074 struct r300_resource *tex = NULL;
1075 struct radeon_bo_metadata tiling = {};
1076
1077 tex = CALLOC_STRUCT(r300_resource);
1078 if (!tex) {
1079 goto fail;
1080 }
1081
1082 pipe_reference_init(&tex->b.b.reference, 1);
1083 tex->b.b.screen = &rscreen->screen;
1084 tex->b.b.usage = base->usage;
1085 tex->b.b.bind = base->bind;
1086 tex->b.b.flags = base->flags;
1087 tex->b.vtbl = &r300_texture_vtbl;
1088 tex->tex.microtile = microtile;
1089 tex->tex.macrotile[0] = macrotile;
1090 tex->tex.stride_in_bytes_override = stride_in_bytes_override;
1091 tex->domain = (base->flags & R300_RESOURCE_FLAG_TRANSFER ||
1092 base->usage == PIPE_USAGE_STAGING) ? RADEON_DOMAIN_GTT :
1093 base->nr_samples > 1 ? RADEON_DOMAIN_VRAM :
1094 RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT;
1095 tex->buf = buffer;
1096
1097 r300_texture_desc_init(rscreen, tex, base);
1098
1099 /* Figure out the ideal placement for the texture.. */
1100 if (tex->domain & RADEON_DOMAIN_VRAM &&
1101 tex->tex.size_in_bytes >= rscreen->info.vram_size) {
1102 tex->domain &= ~RADEON_DOMAIN_VRAM;
1103 tex->domain |= RADEON_DOMAIN_GTT;
1104 }
1105 if (tex->domain & RADEON_DOMAIN_GTT &&
1106 tex->tex.size_in_bytes >= rscreen->info.gart_size) {
1107 tex->domain &= ~RADEON_DOMAIN_GTT;
1108 }
1109 /* Just fail if the texture is too large. */
1110 if (!tex->domain) {
1111 goto fail;
1112 }
1113
1114 /* Create the backing buffer if needed. */
1115 if (!tex->buf) {
1116 tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048,
1117 tex->domain, RADEON_FLAG_NO_SUBALLOC);
1118
1119 if (!tex->buf) {
1120 goto fail;
1121 }
1122 }
1123
1124 if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) {
1125 fprintf(stderr, "r300: %ix MSAA %s buffer created\n",
1126 base->nr_samples,
1127 util_format_is_depth_or_stencil(base->format) ? "depth" : "color");
1128 }
1129
1130 tiling.u.legacy.microtile = tex->tex.microtile;
1131 tiling.u.legacy.macrotile = tex->tex.macrotile[0];
1132 tiling.u.legacy.stride = tex->tex.stride_in_bytes[0];
1133 rws->buffer_set_metadata(tex->buf, &tiling);
1134
1135 return tex;
1136
1137 fail:
1138 FREE(tex);
1139 if (buffer)
1140 pb_reference(&buffer, NULL);
1141 return NULL;
1142 }
1143
1144 /* Create a new texture. */
r300_texture_create(struct pipe_screen * screen,const struct pipe_resource * base)1145 struct pipe_resource *r300_texture_create(struct pipe_screen *screen,
1146 const struct pipe_resource *base)
1147 {
1148 struct r300_screen *rscreen = r300_screen(screen);
1149 enum radeon_bo_layout microtile, macrotile;
1150
1151 if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) ||
1152 (base->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_LINEAR))) {
1153 microtile = RADEON_LAYOUT_LINEAR;
1154 macrotile = RADEON_LAYOUT_LINEAR;
1155 } else {
1156 /* This will make the texture_create_function select the layout. */
1157 microtile = RADEON_LAYOUT_UNKNOWN;
1158 macrotile = RADEON_LAYOUT_UNKNOWN;
1159 }
1160
1161 return (struct pipe_resource*)
1162 r300_texture_create_object(rscreen, base, microtile, macrotile,
1163 0, NULL);
1164 }
1165
r300_texture_from_handle(struct pipe_screen * screen,const struct pipe_resource * base,struct winsys_handle * whandle,unsigned usage)1166 struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen,
1167 const struct pipe_resource *base,
1168 struct winsys_handle *whandle,
1169 unsigned usage)
1170 {
1171 struct r300_screen *rscreen = r300_screen(screen);
1172 struct radeon_winsys *rws = rscreen->rws;
1173 struct pb_buffer *buffer;
1174 unsigned stride;
1175 struct radeon_bo_metadata tiling = {};
1176
1177 /* Support only 2D textures without mipmaps */
1178 if ((base->target != PIPE_TEXTURE_2D &&
1179 base->target != PIPE_TEXTURE_RECT) ||
1180 base->depth0 != 1 ||
1181 base->last_level != 0) {
1182 return NULL;
1183 }
1184
1185 buffer = rws->buffer_from_handle(rws, whandle, &stride, NULL);
1186 if (!buffer)
1187 return NULL;
1188
1189 rws->buffer_get_metadata(buffer, &tiling);
1190
1191 /* Enforce a microtiled zbuffer. */
1192 if (util_format_is_depth_or_stencil(base->format) &&
1193 tiling.u.legacy.microtile == RADEON_LAYOUT_LINEAR) {
1194 switch (util_format_get_blocksize(base->format)) {
1195 case 4:
1196 tiling.u.legacy.microtile = RADEON_LAYOUT_TILED;
1197 break;
1198
1199 case 2:
1200 tiling.u.legacy.microtile = RADEON_LAYOUT_SQUARETILED;
1201 break;
1202 }
1203 }
1204
1205 return (struct pipe_resource*)
1206 r300_texture_create_object(rscreen, base, tiling.u.legacy.microtile, tiling.u.legacy.macrotile,
1207 stride, buffer);
1208 }
1209
1210 /* Not required to implement u_resource_vtbl, consider moving to another file:
1211 */
r300_create_surface_custom(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl,unsigned width0_override,unsigned height0_override)1212 struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx,
1213 struct pipe_resource* texture,
1214 const struct pipe_surface *surf_tmpl,
1215 unsigned width0_override,
1216 unsigned height0_override)
1217 {
1218 struct r300_resource* tex = r300_resource(texture);
1219 struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
1220 unsigned level = surf_tmpl->u.tex.level;
1221
1222 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
1223
1224 if (surface) {
1225 uint32_t offset, tile_height;
1226
1227 pipe_reference_init(&surface->base.reference, 1);
1228 pipe_resource_reference(&surface->base.texture, texture);
1229 surface->base.context = ctx;
1230 surface->base.format = surf_tmpl->format;
1231 surface->base.width = u_minify(width0_override, level);
1232 surface->base.height = u_minify(height0_override, level);
1233 surface->base.u.tex.level = level;
1234 surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer;
1235 surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer;
1236
1237 surface->buf = tex->buf;
1238
1239 /* Prefer VRAM if there are multiple domains to choose from. */
1240 surface->domain = tex->domain;
1241 if (surface->domain & RADEON_DOMAIN_VRAM)
1242 surface->domain &= ~RADEON_DOMAIN_GTT;
1243
1244 surface->offset = r300_texture_get_offset(tex, level,
1245 surf_tmpl->u.tex.first_layer);
1246 r300_texture_setup_fb_state(surface);
1247
1248 /* Parameters for the CBZB clear. */
1249 surface->cbzb_allowed = tex->tex.cbzb_allowed[level];
1250 surface->cbzb_width = align(surface->base.width, 64);
1251
1252 /* Height must be aligned to the size of a tile. */
1253 tile_height = r300_get_pixel_alignment(surface->base.format,
1254 tex->b.b.nr_samples,
1255 tex->tex.microtile,
1256 tex->tex.macrotile[level],
1257 DIM_HEIGHT, 0);
1258
1259 surface->cbzb_height = align((surface->base.height + 1) / 2,
1260 tile_height);
1261
1262 /* Offset must be aligned to 2K and must point at the beginning
1263 * of a scanline. */
1264 offset = surface->offset +
1265 tex->tex.stride_in_bytes[level] * surface->cbzb_height;
1266 surface->cbzb_midpoint_offset = offset & ~2047;
1267
1268 surface->cbzb_pitch = surface->pitch & 0x1ffffc;
1269
1270 if (util_format_get_blocksizebits(surface->base.format) == 32)
1271 surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
1272 else
1273 surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
1274
1275 DBG(r300_context(ctx), DBG_CBZB,
1276 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1277 surface->cbzb_allowed ? "YES" : " NO",
1278 surface->cbzb_width, surface->cbzb_height,
1279 offset & 2047,
1280 tex->tex.microtile ? "YES" : " NO",
1281 tex->tex.macrotile[level] ? "YES" : " NO");
1282 }
1283
1284 return &surface->base;
1285 }
1286
r300_create_surface(struct pipe_context * ctx,struct pipe_resource * texture,const struct pipe_surface * surf_tmpl)1287 struct pipe_surface* r300_create_surface(struct pipe_context * ctx,
1288 struct pipe_resource* texture,
1289 const struct pipe_surface *surf_tmpl)
1290 {
1291 return r300_create_surface_custom(ctx, texture, surf_tmpl,
1292 texture->width0,
1293 texture->height0);
1294 }
1295
1296 /* Not required to implement u_resource_vtbl, consider moving to another file:
1297 */
r300_surface_destroy(struct pipe_context * ctx,struct pipe_surface * s)1298 void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s)
1299 {
1300 pipe_resource_reference(&s->texture, NULL);
1301 FREE(s);
1302 }
1303