2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
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:
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
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. */
24 /* Always include headers in the reverse order!! ~ M. */
25 #include "r300_texture.h"
27 #include "r300_context.h"
29 #include "r300_texture_desc.h"
30 #include "r300_transfer.h"
31 #include "r300_screen.h"
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"
38 #include "pipe/p_screen.h"
39 #include "state_tracker/winsys_handle.h"
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.
45 * This function returns the format that must be used to program CB and TX
48 static enum pipe_format
r300_unbyteswap_array_format(enum pipe_format format
)
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
)
55 /* Only BGRA 8888 array formats are supported for simplicity of
56 * the implementation. */
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
;
71 static unsigned r300_get_endian_swap(enum pipe_format format
)
73 const struct util_format_description
*desc
;
76 if (r300_unbyteswap_array_format(format
) != format
)
77 return R300_SURF_DWORD_SWAP
;
79 if (PIPE_ENDIAN_NATIVE
!= PIPE_ENDIAN_BIG
)
80 return R300_SURF_NO_SWAP
;
82 desc
= util_format_description(format
);
84 return R300_SURF_NO_SWAP
;
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
;
90 swap_size
= desc
->is_array
? desc
->channel
[0].size
: desc
->block
.bits
;
93 default: /* shouldn't happen? */
95 return R300_SURF_NO_SWAP
;
97 return R300_SURF_WORD_SWAP
;
99 return R300_SURF_DWORD_SWAP
;
103 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
104 const unsigned char *swizzle_view
,
105 boolean dxtc_swizzle
)
108 unsigned char swizzle
[4];
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
116 uint32_t swizzle_bit
[4] = {
117 dxtc_swizzle
? R300_TX_FORMAT_Z
: R300_TX_FORMAT_X
,
119 dxtc_swizzle
? R300_TX_FORMAT_X
: R300_TX_FORMAT_Z
,
124 /* Combine two sets of swizzles. */
125 util_format_compose_swizzles(swizzle_format
, swizzle_view
, swizzle
);
127 memcpy(swizzle
, swizzle_format
, 4);
131 for (i
= 0; i
< 4; i
++) {
132 switch (swizzle
[i
]) {
134 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
137 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
140 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
143 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
146 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
148 default: /* PIPE_SWIZZLE_X */
149 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
155 /* Translate a pipe_format into a useful texture format for sampling.
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.
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);
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. */
167 uint32_t r300_translate_texformat(enum pipe_format format
,
168 const unsigned char *swizzle_view
,
170 boolean dxtc_swizzle
)
173 const struct util_format_description
*desc
;
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
,
183 format
= r300_unbyteswap_array_format(format
);
184 desc
= util_format_description(format
);
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
:
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
:
197 return R500_TX_FORMAT_Y8X24
;
199 return R300_TX_FORMAT_Y16X16
;
201 return ~0; /* Unsupported. */
205 case UTIL_FORMAT_COLORSPACE_YUV
:
206 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
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
;
214 return ~0; /* Unsupported/unknown. */
217 /* Add gamma correction. */
218 case UTIL_FORMAT_COLORSPACE_SRGB
:
219 result
|= R300_TX_FORMAT_GAMMA
;
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
;
234 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
235 if (util_format_is_compressed(format
) &&
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
,
248 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
253 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
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
;
267 return ~0; /* Unsupported/unknown. */
272 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
274 case PIPE_FORMAT_RGTC1_SNORM
:
275 case PIPE_FORMAT_LATC1_SNORM
:
276 result
|= sign_bit
[0];
277 case PIPE_FORMAT_LATC1_UNORM
:
278 case PIPE_FORMAT_RGTC1_UNORM
:
279 return R500_TX_FORMAT_ATI1N
| result
;
281 case PIPE_FORMAT_RGTC2_SNORM
:
282 case PIPE_FORMAT_LATC2_SNORM
:
283 result
|= sign_bit
[1] | sign_bit
[0];
284 case PIPE_FORMAT_RGTC2_UNORM
:
285 case PIPE_FORMAT_LATC2_UNORM
:
286 return R400_TX_FORMAT_ATI2N
| result
;
289 return ~0; /* Unsupported/unknown. */
293 /* This is truly a special format.
294 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
295 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
296 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
297 return R300_TX_FORMAT_CxV8U8
| result
;
300 /* Integer and fixed-point 16.16 textures are not supported. */
301 for (i
= 0; i
< 4; i
++) {
302 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
||
303 ((desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
||
304 desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
) &&
305 (!desc
->channel
[i
].normalized
||
306 desc
->channel
[i
].pure_integer
))) {
307 return ~0; /* Unsupported/unknown. */
312 for (i
= 0; i
< desc
->nr_channels
; i
++) {
313 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
314 result
|= sign_bit
[i
];
318 /* See whether the components are of the same size. */
319 for (i
= 1; i
< desc
->nr_channels
; i
++) {
320 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
323 /* Non-uniform formats. */
325 switch (desc
->nr_channels
) {
327 if (desc
->channel
[0].size
== 5 &&
328 desc
->channel
[1].size
== 6 &&
329 desc
->channel
[2].size
== 5) {
330 return R300_TX_FORMAT_Z5Y6X5
| result
;
332 if (desc
->channel
[0].size
== 5 &&
333 desc
->channel
[1].size
== 5 &&
334 desc
->channel
[2].size
== 6) {
335 return R300_TX_FORMAT_Z6Y5X5
| result
;
337 if (desc
->channel
[0].size
== 2 &&
338 desc
->channel
[1].size
== 3 &&
339 desc
->channel
[2].size
== 3) {
340 return R300_TX_FORMAT_Z3Y3X2
| result
;
342 return ~0; /* Unsupported/unknown. */
345 if (desc
->channel
[0].size
== 5 &&
346 desc
->channel
[1].size
== 5 &&
347 desc
->channel
[2].size
== 5 &&
348 desc
->channel
[3].size
== 1) {
349 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
351 if (desc
->channel
[0].size
== 10 &&
352 desc
->channel
[1].size
== 10 &&
353 desc
->channel
[2].size
== 10 &&
354 desc
->channel
[3].size
== 2) {
355 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
358 return ~0; /* Unsupported/unknown. */
361 /* Find the first non-VOID channel. */
362 for (i
= 0; i
< 4; i
++) {
363 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
369 return ~0; /* Unsupported/unknown. */
371 /* And finally, uniform formats. */
372 switch (desc
->channel
[i
].type
) {
373 case UTIL_FORMAT_TYPE_UNSIGNED
:
374 case UTIL_FORMAT_TYPE_SIGNED
:
375 if (!desc
->channel
[i
].normalized
&&
376 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
380 switch (desc
->channel
[i
].size
) {
382 switch (desc
->nr_channels
) {
384 return R300_TX_FORMAT_Y4X4
| result
;
386 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
391 switch (desc
->nr_channels
) {
393 return R300_TX_FORMAT_X8
| result
;
395 return R300_TX_FORMAT_Y8X8
| result
;
397 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
402 switch (desc
->nr_channels
) {
404 return R300_TX_FORMAT_X16
| result
;
406 return R300_TX_FORMAT_Y16X16
| result
;
408 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
413 case UTIL_FORMAT_TYPE_FLOAT
:
414 switch (desc
->channel
[i
].size
) {
416 switch (desc
->nr_channels
) {
418 return R300_TX_FORMAT_16F
| result
;
420 return R300_TX_FORMAT_16F_16F
| result
;
422 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
427 switch (desc
->nr_channels
) {
429 return R300_TX_FORMAT_32F
| result
;
431 return R300_TX_FORMAT_32F_32F
| result
;
433 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
438 return ~0; /* Unsupported/unknown. */
441 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
444 case PIPE_FORMAT_RGTC1_UNORM
:
445 case PIPE_FORMAT_RGTC1_SNORM
:
446 case PIPE_FORMAT_LATC1_UNORM
:
447 case PIPE_FORMAT_LATC1_SNORM
:
448 case PIPE_FORMAT_X8Z24_UNORM
:
449 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
450 return R500_TXFORMAT_MSB
;
456 /* Buffer formats. */
458 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
459 * output. For the swizzling of the targets, check the shader's format. */
460 static uint32_t r300_translate_colorformat(enum pipe_format format
)
462 format
= r300_unbyteswap_array_format(format
);
466 case PIPE_FORMAT_A8_UNORM
:
467 case PIPE_FORMAT_A8_SNORM
:
468 case PIPE_FORMAT_I8_UNORM
:
469 case PIPE_FORMAT_I8_SNORM
:
470 case PIPE_FORMAT_L8_UNORM
:
471 case PIPE_FORMAT_L8_SNORM
:
472 case PIPE_FORMAT_R8_UNORM
:
473 case PIPE_FORMAT_R8_SNORM
:
474 return R300_COLOR_FORMAT_I8
;
476 /* 16-bit buffers. */
477 case PIPE_FORMAT_L8A8_UNORM
:
478 case PIPE_FORMAT_L8A8_SNORM
:
479 case PIPE_FORMAT_R8G8_UNORM
:
480 case PIPE_FORMAT_R8G8_SNORM
:
481 case PIPE_FORMAT_R8A8_UNORM
:
482 case PIPE_FORMAT_R8A8_SNORM
:
483 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
484 case PIPE_FORMAT_A16_UNORM
:
485 case PIPE_FORMAT_A16_SNORM
:
486 case PIPE_FORMAT_A16_FLOAT
:
487 case PIPE_FORMAT_L16_UNORM
:
488 case PIPE_FORMAT_L16_SNORM
:
489 case PIPE_FORMAT_L16_FLOAT
:
490 case PIPE_FORMAT_I16_UNORM
:
491 case PIPE_FORMAT_I16_SNORM
:
492 case PIPE_FORMAT_I16_FLOAT
:
493 case PIPE_FORMAT_R16_UNORM
:
494 case PIPE_FORMAT_R16_SNORM
:
495 case PIPE_FORMAT_R16_FLOAT
:
496 return R300_COLOR_FORMAT_UV88
;
498 case PIPE_FORMAT_B5G6R5_UNORM
:
499 return R300_COLOR_FORMAT_RGB565
;
501 case PIPE_FORMAT_B5G5R5A1_UNORM
:
502 case PIPE_FORMAT_B5G5R5X1_UNORM
:
503 return R300_COLOR_FORMAT_ARGB1555
;
505 case PIPE_FORMAT_B4G4R4A4_UNORM
:
506 case PIPE_FORMAT_B4G4R4X4_UNORM
:
507 return R300_COLOR_FORMAT_ARGB4444
;
509 /* 32-bit buffers. */
510 case PIPE_FORMAT_B8G8R8A8_UNORM
:
511 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
512 case PIPE_FORMAT_B8G8R8X8_UNORM
:
513 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
514 case PIPE_FORMAT_R8G8B8A8_UNORM
:
515 case PIPE_FORMAT_R8G8B8A8_SNORM
:
516 case PIPE_FORMAT_R8G8B8X8_UNORM
:
517 case PIPE_FORMAT_R8G8B8X8_SNORM
:
518 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
520 case PIPE_FORMAT_R16G16_UNORM
:
521 case PIPE_FORMAT_R16G16_SNORM
:
522 case PIPE_FORMAT_R16G16_FLOAT
:
523 case PIPE_FORMAT_L16A16_UNORM
:
524 case PIPE_FORMAT_L16A16_SNORM
:
525 case PIPE_FORMAT_L16A16_FLOAT
:
526 case PIPE_FORMAT_R16A16_UNORM
:
527 case PIPE_FORMAT_R16A16_SNORM
:
528 case PIPE_FORMAT_R16A16_FLOAT
:
529 case PIPE_FORMAT_A32_FLOAT
:
530 case PIPE_FORMAT_L32_FLOAT
:
531 case PIPE_FORMAT_I32_FLOAT
:
532 case PIPE_FORMAT_R32_FLOAT
:
533 return R300_COLOR_FORMAT_ARGB8888
;
535 case PIPE_FORMAT_R10G10B10A2_UNORM
:
536 case PIPE_FORMAT_R10G10B10X2_SNORM
:
537 case PIPE_FORMAT_B10G10R10A2_UNORM
:
538 case PIPE_FORMAT_B10G10R10X2_UNORM
:
539 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
541 /* 64-bit buffers. */
542 case PIPE_FORMAT_R16G16B16A16_UNORM
:
543 case PIPE_FORMAT_R16G16B16A16_SNORM
:
544 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
545 case PIPE_FORMAT_R16G16B16X16_UNORM
:
546 case PIPE_FORMAT_R16G16B16X16_SNORM
:
547 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
548 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
550 case PIPE_FORMAT_R32G32_FLOAT
:
551 case PIPE_FORMAT_L32A32_FLOAT
:
552 case PIPE_FORMAT_R32A32_FLOAT
:
553 return R300_COLOR_FORMAT_ARGB16161616
;
555 /* 128-bit buffers. */
556 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
557 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
558 return R300_COLOR_FORMAT_ARGB32323232
;
561 case PIPE_FORMAT_UYVY
:
562 return R300_COLOR_FORMAT_YVYU
;
563 case PIPE_FORMAT_YUYV
:
564 return R300_COLOR_FORMAT_VYUY
;
566 return ~0; /* Unsupported. */
570 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
571 static uint32_t r300_translate_zsformat(enum pipe_format format
)
574 /* 16-bit depth, no stencil */
575 case PIPE_FORMAT_Z16_UNORM
:
576 return R300_DEPTHFORMAT_16BIT_INT_Z
;
577 /* 24-bit depth, ignored stencil */
578 case PIPE_FORMAT_X8Z24_UNORM
:
579 /* 24-bit depth, 8-bit stencil */
580 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
581 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
583 return ~0; /* Unsupported. */
587 /* Shader output formats. This is essentially the swizzle from the shader
590 * Note that formats are stored from C3 to C0. */
591 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
593 uint32_t modifier
= 0;
595 const struct util_format_description
*desc
;
596 boolean uniform_sign
;
598 format
= r300_unbyteswap_array_format(format
);
599 desc
= util_format_description(format
);
601 /* Find the first non-VOID channel. */
602 for (i
= 0; i
< 4; i
++) {
603 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
609 return ~0; /* Unsupported/unknown. */
611 /* Specifies how the shader output is written to the fog unit. */
612 switch (desc
->channel
[i
].type
) {
613 case UTIL_FORMAT_TYPE_FLOAT
:
614 switch (desc
->channel
[i
].size
) {
616 switch (desc
->nr_channels
) {
618 modifier
|= R300_US_OUT_FMT_C_32_FP
;
621 modifier
|= R300_US_OUT_FMT_C2_32_FP
;
624 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
630 switch (desc
->nr_channels
) {
632 modifier
|= R300_US_OUT_FMT_C_16_FP
;
635 modifier
|= R300_US_OUT_FMT_C2_16_FP
;
638 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
646 switch (desc
->channel
[i
].size
) {
648 switch (desc
->nr_channels
) {
650 modifier
|= R300_US_OUT_FMT_C_16
;
653 modifier
|= R300_US_OUT_FMT_C2_16
;
656 modifier
|= R300_US_OUT_FMT_C4_16
;
662 modifier
|= R300_US_OUT_FMT_C4_10
;
666 /* C4_8 seems to be used for the formats whose pixel size
668 modifier
|= R300_US_OUT_FMT_C4_8
;
675 for (i
= 0; i
< desc
->nr_channels
; i
++)
676 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_SIGNED
)
677 uniform_sign
= FALSE
;
680 modifier
|= R300_OUT_SIGN(0xf);
682 /* Add swizzles and return. */
684 /*** Special cases (non-standard channel mapping) ***/
687 * COLORFORMAT_I8 stores the Z component (C2). */
688 case PIPE_FORMAT_A8_UNORM
:
689 case PIPE_FORMAT_A8_SNORM
:
690 return modifier
| R300_C2_SEL_A
;
691 case PIPE_FORMAT_I8_UNORM
:
692 case PIPE_FORMAT_I8_SNORM
:
693 case PIPE_FORMAT_L8_UNORM
:
694 case PIPE_FORMAT_L8_SNORM
:
695 case PIPE_FORMAT_R8_UNORM
:
696 case PIPE_FORMAT_R8_SNORM
:
697 return modifier
| R300_C2_SEL_R
;
700 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
701 case PIPE_FORMAT_L8A8_SNORM
:
702 case PIPE_FORMAT_L8A8_UNORM
:
703 case PIPE_FORMAT_R8A8_SNORM
:
704 case PIPE_FORMAT_R8A8_UNORM
:
705 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
706 case PIPE_FORMAT_R8G8_SNORM
:
707 case PIPE_FORMAT_R8G8_UNORM
:
708 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
711 * ARGB16161616 stores XZ for RG32F */
712 case PIPE_FORMAT_R32G32_FLOAT
:
713 return modifier
| R300_C0_SEL_R
| R300_C2_SEL_G
;
715 /*** Generic cases (standard channel mapping) ***/
718 case PIPE_FORMAT_B5G6R5_UNORM
:
719 case PIPE_FORMAT_B5G5R5A1_UNORM
:
720 case PIPE_FORMAT_B5G5R5X1_UNORM
:
721 case PIPE_FORMAT_B4G4R4A4_UNORM
:
722 case PIPE_FORMAT_B4G4R4X4_UNORM
:
723 case PIPE_FORMAT_B8G8R8A8_UNORM
:
724 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
725 case PIPE_FORMAT_B8G8R8X8_UNORM
:
726 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
727 case PIPE_FORMAT_B10G10R10A2_UNORM
:
728 case PIPE_FORMAT_B10G10R10X2_UNORM
:
730 R300_C0_SEL_B
| R300_C1_SEL_G
|
731 R300_C2_SEL_R
| R300_C3_SEL_A
;
734 case PIPE_FORMAT_A16_UNORM
:
735 case PIPE_FORMAT_A16_SNORM
:
736 case PIPE_FORMAT_A16_FLOAT
:
737 case PIPE_FORMAT_A32_FLOAT
:
739 R300_C0_SEL_A
| R300_C1_SEL_R
|
740 R300_C2_SEL_G
| R300_C3_SEL_B
;
743 case PIPE_FORMAT_R8G8B8X8_UNORM
:
744 case PIPE_FORMAT_R8G8B8X8_SNORM
:
745 case PIPE_FORMAT_R8G8B8A8_UNORM
:
746 case PIPE_FORMAT_R8G8B8A8_SNORM
:
747 case PIPE_FORMAT_R10G10B10A2_UNORM
:
748 case PIPE_FORMAT_R10G10B10X2_SNORM
:
749 case PIPE_FORMAT_R16_UNORM
:
750 case PIPE_FORMAT_R16G16_UNORM
:
751 case PIPE_FORMAT_R16G16B16A16_UNORM
:
752 case PIPE_FORMAT_R16_SNORM
:
753 case PIPE_FORMAT_R16G16_SNORM
:
754 case PIPE_FORMAT_R16G16B16A16_SNORM
:
755 case PIPE_FORMAT_R16_FLOAT
:
756 case PIPE_FORMAT_R16G16_FLOAT
:
757 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
758 case PIPE_FORMAT_R32_FLOAT
:
759 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
760 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
761 case PIPE_FORMAT_L16_UNORM
:
762 case PIPE_FORMAT_L16_SNORM
:
763 case PIPE_FORMAT_L16_FLOAT
:
764 case PIPE_FORMAT_L32_FLOAT
:
765 case PIPE_FORMAT_I16_UNORM
:
766 case PIPE_FORMAT_I16_SNORM
:
767 case PIPE_FORMAT_I16_FLOAT
:
768 case PIPE_FORMAT_I32_FLOAT
:
769 case PIPE_FORMAT_R16G16B16X16_UNORM
:
770 case PIPE_FORMAT_R16G16B16X16_SNORM
:
771 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
773 R300_C0_SEL_R
| R300_C1_SEL_G
|
774 R300_C2_SEL_B
| R300_C3_SEL_A
;
777 case PIPE_FORMAT_L16A16_UNORM
:
778 case PIPE_FORMAT_L16A16_SNORM
:
779 case PIPE_FORMAT_L16A16_FLOAT
:
780 case PIPE_FORMAT_R16A16_UNORM
:
781 case PIPE_FORMAT_R16A16_SNORM
:
782 case PIPE_FORMAT_R16A16_FLOAT
:
783 case PIPE_FORMAT_L32A32_FLOAT
:
784 case PIPE_FORMAT_R32A32_FLOAT
:
786 R300_C0_SEL_R
| R300_C1_SEL_A
;
789 return ~0; /* Unsupported. */
793 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format
)
795 format
= r300_unbyteswap_array_format(format
);
798 case PIPE_FORMAT_A8_UNORM
:
799 case PIPE_FORMAT_A8_SNORM
:
800 case PIPE_FORMAT_A16_UNORM
:
801 case PIPE_FORMAT_A16_SNORM
:
802 case PIPE_FORMAT_A16_FLOAT
:
803 case PIPE_FORMAT_A32_FLOAT
:
804 return COLORMASK_AAAA
;
806 case PIPE_FORMAT_I8_UNORM
:
807 case PIPE_FORMAT_I8_SNORM
:
808 case PIPE_FORMAT_L8_UNORM
:
809 case PIPE_FORMAT_L8_SNORM
:
810 case PIPE_FORMAT_R8_UNORM
:
811 case PIPE_FORMAT_R8_SNORM
:
812 case PIPE_FORMAT_R32_FLOAT
:
813 case PIPE_FORMAT_L32_FLOAT
:
814 case PIPE_FORMAT_I32_FLOAT
:
815 return COLORMASK_RRRR
;
817 case PIPE_FORMAT_L8A8_SNORM
:
818 case PIPE_FORMAT_L8A8_UNORM
:
819 case PIPE_FORMAT_R8A8_UNORM
:
820 case PIPE_FORMAT_R8A8_SNORM
:
821 case PIPE_FORMAT_L16A16_UNORM
:
822 case PIPE_FORMAT_L16A16_SNORM
:
823 case PIPE_FORMAT_L16A16_FLOAT
:
824 case PIPE_FORMAT_R16A16_UNORM
:
825 case PIPE_FORMAT_R16A16_SNORM
:
826 case PIPE_FORMAT_R16A16_FLOAT
:
827 case PIPE_FORMAT_L32A32_FLOAT
:
828 case PIPE_FORMAT_R32A32_FLOAT
:
829 return COLORMASK_ARRA
;
831 case PIPE_FORMAT_R8G8_SNORM
:
832 case PIPE_FORMAT_R8G8_UNORM
:
833 case PIPE_FORMAT_R16G16_UNORM
:
834 case PIPE_FORMAT_R16G16_SNORM
:
835 case PIPE_FORMAT_R16G16_FLOAT
:
836 case PIPE_FORMAT_R32G32_FLOAT
:
837 return COLORMASK_GRRG
;
839 case PIPE_FORMAT_B5G5R5X1_UNORM
:
840 case PIPE_FORMAT_B4G4R4X4_UNORM
:
841 case PIPE_FORMAT_B8G8R8X8_UNORM
:
842 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
843 case PIPE_FORMAT_B10G10R10X2_UNORM
:
844 return COLORMASK_BGRX
;
846 case PIPE_FORMAT_B5G6R5_UNORM
:
847 case PIPE_FORMAT_B5G5R5A1_UNORM
:
848 case PIPE_FORMAT_B4G4R4A4_UNORM
:
849 case PIPE_FORMAT_B8G8R8A8_UNORM
:
850 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
851 case PIPE_FORMAT_B10G10R10A2_UNORM
:
852 return COLORMASK_BGRA
;
854 case PIPE_FORMAT_R8G8B8X8_UNORM
:
855 /* RGBX_SNORM formats are broken for an unknown reason */
856 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
857 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
858 case PIPE_FORMAT_R16G16B16X16_UNORM
:
859 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
860 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
861 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
862 return COLORMASK_RGBX
;
864 case PIPE_FORMAT_R8G8B8A8_UNORM
:
865 case PIPE_FORMAT_R8G8B8A8_SNORM
:
866 case PIPE_FORMAT_R10G10B10A2_UNORM
:
867 case PIPE_FORMAT_R16_UNORM
:
868 case PIPE_FORMAT_R16G16B16A16_UNORM
:
869 case PIPE_FORMAT_R16_SNORM
:
870 case PIPE_FORMAT_R16G16B16A16_SNORM
:
871 case PIPE_FORMAT_R16_FLOAT
:
872 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
873 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
874 case PIPE_FORMAT_L16_UNORM
:
875 case PIPE_FORMAT_L16_SNORM
:
876 case PIPE_FORMAT_L16_FLOAT
:
877 case PIPE_FORMAT_I16_UNORM
:
878 case PIPE_FORMAT_I16_SNORM
:
879 case PIPE_FORMAT_I16_FLOAT
:
880 return COLORMASK_RGBA
;
883 return ~0; /* Unsupported. */
887 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
889 return r300_translate_colorformat(format
) != ~0 &&
890 r300_translate_out_fmt(format
) != ~0 &&
891 r300_translate_colormask_swizzle(format
) != ~0;
894 boolean
r300_is_zs_format_supported(enum pipe_format format
)
896 return r300_translate_zsformat(format
) != ~0;
899 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
901 return r300_translate_texformat(format
, 0, TRUE
, FALSE
) != ~0;
904 void r300_texture_setup_format_state(struct r300_screen
*screen
,
905 struct r300_resource
*tex
,
906 enum pipe_format format
,
908 unsigned width0_override
,
909 unsigned height0_override
,
910 struct r300_texture_format_state
*out
)
912 struct pipe_resource
*pt
= &tex
->b
.b
;
913 struct r300_texture_desc
*desc
= &tex
->tex
;
914 boolean is_r500
= screen
->caps
.is_r500
;
915 unsigned width
, height
, depth
;
916 unsigned txwidth
, txheight
, txdepth
;
918 width
= u_minify(width0_override
, level
);
919 height
= u_minify(height0_override
, level
);
920 depth
= u_minify(desc
->depth0
, level
);
922 txwidth
= (width
- 1) & 0x7ff;
923 txheight
= (height
- 1) & 0x7ff;
924 txdepth
= util_logbase2(depth
) & 0xf;
926 /* Mask out all the fields we change. */
928 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
929 out
->format2
&= R500_TXFORMAT_MSB
;
930 out
->tile_config
= 0;
932 /* Set sampler state. */
934 R300_TX_WIDTH(txwidth
) |
935 R300_TX_HEIGHT(txheight
) |
936 R300_TX_DEPTH(txdepth
);
938 if (desc
->uses_stride_addressing
) {
940 r300_stride_to_width(format
, desc
->stride_in_bytes
[level
]);
941 /* rectangles love this */
942 out
->format0
|= R300_TX_PITCH_EN
;
943 out
->format2
= (stride
- 1) & 0x1fff;
946 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
947 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
949 if (pt
->target
== PIPE_TEXTURE_3D
) {
950 out
->format1
|= R300_TX_FORMAT_3D
;
953 /* large textures on r500 */
956 unsigned us_width
= txwidth
;
957 unsigned us_height
= txheight
;
958 unsigned us_depth
= txdepth
;
961 out
->format2
|= R500_TXWIDTH_BIT11
;
964 out
->format2
|= R500_TXHEIGHT_BIT11
;
967 /* The US_FORMAT register fixes an R500 TX addressing bug.
968 * Don't ask why it must be set like this. I don't know it either. */
970 us_width
= (0x000007FF + us_width
) >> 1;
971 us_depth
|= 0x0000000D;
974 us_height
= (0x000007FF + us_height
) >> 1;
975 us_depth
|= 0x0000000E;
979 R300_TX_WIDTH(us_width
) |
980 R300_TX_HEIGHT(us_height
) |
981 R300_TX_DEPTH(us_depth
);
984 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
985 R300_TXO_MICRO_TILE(desc
->microtile
) |
986 R300_TXO_ENDIAN(r300_get_endian_swap(format
));
989 static void r300_texture_setup_fb_state(struct r300_surface
*surf
)
991 struct r300_resource
*tex
= r300_resource(surf
->base
.texture
);
992 unsigned level
= surf
->base
.u
.tex
.level
;
994 r300_stride_to_width(surf
->base
.format
, tex
->tex
.stride_in_bytes
[level
]);
996 /* Set framebuffer state. */
997 if (util_format_is_depth_or_stencil(surf
->base
.format
)) {
1000 R300_DEPTHMACROTILE(tex
->tex
.macrotile
[level
]) |
1001 R300_DEPTHMICROTILE(tex
->tex
.microtile
) |
1002 R300_DEPTHENDIAN(r300_get_endian_swap(surf
->base
.format
));
1003 surf
->format
= r300_translate_zsformat(surf
->base
.format
);
1004 surf
->pitch_zmask
= tex
->tex
.zmask_stride_in_pixels
[level
];
1005 surf
->pitch_hiz
= tex
->tex
.hiz_stride_in_pixels
[level
];
1007 enum pipe_format format
= util_format_linear(surf
->base
.format
);
1011 r300_translate_colorformat(format
) |
1012 R300_COLOR_TILE(tex
->tex
.macrotile
[level
]) |
1013 R300_COLOR_MICROTILE(tex
->tex
.microtile
) |
1014 R300_COLOR_ENDIAN(r300_get_endian_swap(format
));
1015 surf
->format
= r300_translate_out_fmt(format
);
1016 surf
->colormask_swizzle
=
1017 r300_translate_colormask_swizzle(format
);
1018 surf
->pitch_cmask
= tex
->tex
.cmask_stride_in_pixels
;
1022 static void r300_texture_destroy(struct pipe_screen
*screen
,
1023 struct pipe_resource
* texture
)
1025 struct r300_screen
*rscreen
= r300_screen(screen
);
1026 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
1028 if (tex
->tex
.cmask_dwords
) {
1029 mtx_lock(&rscreen
->cmask_mutex
);
1030 if (texture
== rscreen
->cmask_resource
) {
1031 rscreen
->cmask_resource
= NULL
;
1033 mtx_unlock(&rscreen
->cmask_mutex
);
1035 pb_reference(&tex
->buf
, NULL
);
1039 bool r300_resource_get_handle(struct pipe_screen
* screen
,
1040 struct pipe_context
*ctx
,
1041 struct pipe_resource
*texture
,
1042 struct winsys_handle
*whandle
,
1045 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
1046 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
1052 whandle
->stride
= tex
->tex
.stride_in_bytes
[0];
1053 whandle
->offset
= 0;
1055 return rws
->buffer_get_handle(rws
, tex
->buf
, whandle
);
1058 static const struct u_resource_vtbl r300_texture_vtbl
=
1060 NULL
, /* get_handle */
1061 r300_texture_destroy
, /* resource_destroy */
1062 r300_texture_transfer_map
, /* transfer_map */
1063 NULL
, /* transfer_flush_region */
1064 r300_texture_transfer_unmap
, /* transfer_unmap */
1067 /* The common texture constructor. */
1068 static struct r300_resource
*
1069 r300_texture_create_object(struct r300_screen
*rscreen
,
1070 const struct pipe_resource
*base
,
1071 enum radeon_bo_layout microtile
,
1072 enum radeon_bo_layout macrotile
,
1073 unsigned stride_in_bytes_override
,
1074 struct pb_buffer
*buffer
)
1076 struct radeon_winsys
*rws
= rscreen
->rws
;
1077 struct r300_resource
*tex
= NULL
;
1078 struct radeon_bo_metadata tiling
= {};
1080 tex
= CALLOC_STRUCT(r300_resource
);
1085 pipe_reference_init(&tex
->b
.b
.reference
, 1);
1086 tex
->b
.b
.screen
= &rscreen
->screen
;
1087 tex
->b
.b
.usage
= base
->usage
;
1088 tex
->b
.b
.bind
= base
->bind
;
1089 tex
->b
.b
.flags
= base
->flags
;
1090 tex
->b
.vtbl
= &r300_texture_vtbl
;
1091 tex
->tex
.microtile
= microtile
;
1092 tex
->tex
.macrotile
[0] = macrotile
;
1093 tex
->tex
.stride_in_bytes_override
= stride_in_bytes_override
;
1094 tex
->domain
= (base
->flags
& R300_RESOURCE_FLAG_TRANSFER
||
1095 base
->usage
== PIPE_USAGE_STAGING
) ? RADEON_DOMAIN_GTT
:
1096 base
->nr_samples
> 1 ? RADEON_DOMAIN_VRAM
:
1097 RADEON_DOMAIN_VRAM
| RADEON_DOMAIN_GTT
;
1100 r300_texture_desc_init(rscreen
, tex
, base
);
1102 /* Figure out the ideal placement for the texture.. */
1103 if (tex
->domain
& RADEON_DOMAIN_VRAM
&&
1104 tex
->tex
.size_in_bytes
>= rscreen
->info
.vram_size
) {
1105 tex
->domain
&= ~RADEON_DOMAIN_VRAM
;
1106 tex
->domain
|= RADEON_DOMAIN_GTT
;
1108 if (tex
->domain
& RADEON_DOMAIN_GTT
&&
1109 tex
->tex
.size_in_bytes
>= rscreen
->info
.gart_size
) {
1110 tex
->domain
&= ~RADEON_DOMAIN_GTT
;
1112 /* Just fail if the texture is too large. */
1117 /* Create the backing buffer if needed. */
1119 /* Only use the first domain for allocation. Multiple domains are not allowed. */
1120 unsigned alloc_domain
=
1121 tex
->domain
& RADEON_DOMAIN_VRAM
? RADEON_DOMAIN_VRAM
:
1124 tex
->buf
= rws
->buffer_create(rws
, tex
->tex
.size_in_bytes
, 2048,
1126 RADEON_FLAG_NO_SUBALLOC
|
1127 /* Use the reusable pool: */
1128 RADEON_FLAG_NO_INTERPROCESS_SHARING
);
1135 if (SCREEN_DBG_ON(rscreen
, DBG_MSAA
) && base
->nr_samples
> 1) {
1136 fprintf(stderr
, "r300: %ix MSAA %s buffer created\n",
1138 util_format_is_depth_or_stencil(base
->format
) ? "depth" : "color");
1141 tiling
.u
.legacy
.microtile
= tex
->tex
.microtile
;
1142 tiling
.u
.legacy
.macrotile
= tex
->tex
.macrotile
[0];
1143 tiling
.u
.legacy
.stride
= tex
->tex
.stride_in_bytes
[0];
1144 rws
->buffer_set_metadata(tex
->buf
, &tiling
);
1151 pb_reference(&buffer
, NULL
);
1155 /* Create a new texture. */
1156 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
1157 const struct pipe_resource
*base
)
1159 struct r300_screen
*rscreen
= r300_screen(screen
);
1160 enum radeon_bo_layout microtile
, macrotile
;
1162 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
1163 (base
->bind
& (PIPE_BIND_SCANOUT
| PIPE_BIND_LINEAR
))) {
1164 microtile
= RADEON_LAYOUT_LINEAR
;
1165 macrotile
= RADEON_LAYOUT_LINEAR
;
1167 /* This will make the texture_create_function select the layout. */
1168 microtile
= RADEON_LAYOUT_UNKNOWN
;
1169 macrotile
= RADEON_LAYOUT_UNKNOWN
;
1172 return (struct pipe_resource
*)
1173 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
1177 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
1178 const struct pipe_resource
*base
,
1179 struct winsys_handle
*whandle
,
1182 struct r300_screen
*rscreen
= r300_screen(screen
);
1183 struct radeon_winsys
*rws
= rscreen
->rws
;
1184 struct pb_buffer
*buffer
;
1185 struct radeon_bo_metadata tiling
= {};
1187 /* Support only 2D textures without mipmaps */
1188 if ((base
->target
!= PIPE_TEXTURE_2D
&&
1189 base
->target
!= PIPE_TEXTURE_RECT
) ||
1190 base
->depth0
!= 1 ||
1191 base
->last_level
!= 0) {
1195 buffer
= rws
->buffer_from_handle(rws
, whandle
, 0);
1199 rws
->buffer_get_metadata(buffer
, &tiling
);
1201 /* Enforce a microtiled zbuffer. */
1202 if (util_format_is_depth_or_stencil(base
->format
) &&
1203 tiling
.u
.legacy
.microtile
== RADEON_LAYOUT_LINEAR
) {
1204 switch (util_format_get_blocksize(base
->format
)) {
1206 tiling
.u
.legacy
.microtile
= RADEON_LAYOUT_TILED
;
1210 tiling
.u
.legacy
.microtile
= RADEON_LAYOUT_SQUARETILED
;
1215 return (struct pipe_resource
*)
1216 r300_texture_create_object(rscreen
, base
, tiling
.u
.legacy
.microtile
, tiling
.u
.legacy
.macrotile
,
1217 whandle
->stride
, buffer
);
1220 /* Not required to implement u_resource_vtbl, consider moving to another file:
1222 struct pipe_surface
* r300_create_surface_custom(struct pipe_context
* ctx
,
1223 struct pipe_resource
* texture
,
1224 const struct pipe_surface
*surf_tmpl
,
1225 unsigned width0_override
,
1226 unsigned height0_override
)
1228 struct r300_resource
* tex
= r300_resource(texture
);
1229 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
1230 unsigned level
= surf_tmpl
->u
.tex
.level
;
1232 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
1235 uint32_t offset
, tile_height
;
1237 pipe_reference_init(&surface
->base
.reference
, 1);
1238 pipe_resource_reference(&surface
->base
.texture
, texture
);
1239 surface
->base
.context
= ctx
;
1240 surface
->base
.format
= surf_tmpl
->format
;
1241 surface
->base
.width
= u_minify(width0_override
, level
);
1242 surface
->base
.height
= u_minify(height0_override
, level
);
1243 surface
->base
.u
.tex
.level
= level
;
1244 surface
->base
.u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
1245 surface
->base
.u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
1247 surface
->buf
= tex
->buf
;
1249 /* Prefer VRAM if there are multiple domains to choose from. */
1250 surface
->domain
= tex
->domain
;
1251 if (surface
->domain
& RADEON_DOMAIN_VRAM
)
1252 surface
->domain
&= ~RADEON_DOMAIN_GTT
;
1254 surface
->offset
= r300_texture_get_offset(tex
, level
,
1255 surf_tmpl
->u
.tex
.first_layer
);
1256 r300_texture_setup_fb_state(surface
);
1258 /* Parameters for the CBZB clear. */
1259 surface
->cbzb_allowed
= tex
->tex
.cbzb_allowed
[level
];
1260 surface
->cbzb_width
= align(surface
->base
.width
, 64);
1262 /* Height must be aligned to the size of a tile. */
1263 tile_height
= r300_get_pixel_alignment(surface
->base
.format
,
1264 tex
->b
.b
.nr_samples
,
1266 tex
->tex
.macrotile
[level
],
1269 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
1272 /* Offset must be aligned to 2K and must point at the beginning
1274 offset
= surface
->offset
+
1275 tex
->tex
.stride_in_bytes
[level
] * surface
->cbzb_height
;
1276 surface
->cbzb_midpoint_offset
= offset
& ~2047;
1278 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
1280 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
1281 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
1283 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
1285 DBG(r300_context(ctx
), DBG_CBZB
,
1286 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1287 surface
->cbzb_allowed
? "YES" : " NO",
1288 surface
->cbzb_width
, surface
->cbzb_height
,
1290 tex
->tex
.microtile
? "YES" : " NO",
1291 tex
->tex
.macrotile
[level
] ? "YES" : " NO");
1294 return &surface
->base
;
1297 struct pipe_surface
* r300_create_surface(struct pipe_context
* ctx
,
1298 struct pipe_resource
* texture
,
1299 const struct pipe_surface
*surf_tmpl
)
1301 return r300_create_surface_custom(ctx
, texture
, surf_tmpl
,
1306 /* Not required to implement u_resource_vtbl, consider moving to another file:
1308 void r300_surface_destroy(struct pipe_context
*ctx
, struct pipe_surface
* s
)
1310 pipe_resource_reference(&s
->texture
, NULL
);