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"
37 #include "util/u_mm.h"
39 #include "pipe/p_screen.h"
41 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
42 const unsigned char *swizzle_view
,
46 unsigned char swizzle
[4];
48 const uint32_t swizzle_shift
[4] = {
49 R300_TX_FORMAT_R_SHIFT
,
50 R300_TX_FORMAT_G_SHIFT
,
51 R300_TX_FORMAT_B_SHIFT
,
52 R300_TX_FORMAT_A_SHIFT
54 uint32_t swizzle_bit
[4] = {
55 dxtc_swizzle
? R300_TX_FORMAT_Z
: R300_TX_FORMAT_X
,
57 dxtc_swizzle
? R300_TX_FORMAT_X
: R300_TX_FORMAT_Z
,
62 /* Combine two sets of swizzles. */
63 util_format_compose_swizzles(swizzle_format
, swizzle_view
, swizzle
);
65 memcpy(swizzle
, swizzle_format
, 4);
69 for (i
= 0; i
< 4; i
++) {
71 case UTIL_FORMAT_SWIZZLE_Y
:
72 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
74 case UTIL_FORMAT_SWIZZLE_Z
:
75 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
77 case UTIL_FORMAT_SWIZZLE_W
:
78 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
80 case UTIL_FORMAT_SWIZZLE_0
:
81 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
83 case UTIL_FORMAT_SWIZZLE_1
:
84 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
86 default: /* UTIL_FORMAT_SWIZZLE_X */
87 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
93 /* Translate a pipe_format into a useful texture format for sampling.
95 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
96 * but the majority of them is translated in a generic way, automatically
97 * supporting all the formats hw can support.
99 * R300_EASY_TX_FORMAT swizzles the texture.
100 * Note the signature of R300_EASY_TX_FORMAT:
101 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
103 * The FORMAT specifies how the texture sampler will treat the texture, and
104 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
105 uint32_t r300_translate_texformat(enum pipe_format format
,
106 const unsigned char *swizzle_view
,
108 boolean dxtc_swizzle
)
111 const struct util_format_description
*desc
;
113 boolean uniform
= TRUE
;
114 const uint32_t sign_bit
[4] = {
115 R300_TX_FORMAT_SIGNED_W
,
116 R300_TX_FORMAT_SIGNED_Z
,
117 R300_TX_FORMAT_SIGNED_Y
,
118 R300_TX_FORMAT_SIGNED_X
,
121 desc
= util_format_description(format
);
123 /* Colorspace (return non-RGB formats directly). */
124 switch (desc
->colorspace
) {
125 /* Depth stencil formats.
126 * Swizzles are added in r300_merge_textures_and_samplers. */
127 case UTIL_FORMAT_COLORSPACE_ZS
:
129 case PIPE_FORMAT_Z16_UNORM
:
130 return R300_TX_FORMAT_X16
;
131 case PIPE_FORMAT_X8Z24_UNORM
:
132 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
134 return R500_TX_FORMAT_Y8X24
;
136 return R300_TX_FORMAT_Y16X16
;
138 return ~0; /* Unsupported. */
142 case UTIL_FORMAT_COLORSPACE_YUV
:
143 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
146 case PIPE_FORMAT_UYVY
:
147 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
148 case PIPE_FORMAT_YUYV
:
149 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
151 return ~0; /* Unsupported/unknown. */
154 /* Add gamma correction. */
155 case UTIL_FORMAT_COLORSPACE_SRGB
:
156 result
|= R300_TX_FORMAT_GAMMA
;
161 /* Same as YUV but without the YUR->RGB conversion. */
162 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
163 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
164 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
165 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
171 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
172 if (format
!= PIPE_FORMAT_RGTC1_SNORM
&&
173 format
!= PIPE_FORMAT_LATC1_SNORM
) {
174 if (util_format_is_compressed(format
) &&
176 format
!= PIPE_FORMAT_RGTC2_UNORM
&&
177 format
!= PIPE_FORMAT_RGTC2_SNORM
&&
178 format
!= PIPE_FORMAT_LATC2_UNORM
&&
179 format
!= PIPE_FORMAT_LATC2_SNORM
) {
180 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
183 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
189 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
190 if (!util_format_s3tc_enabled
) {
191 return ~0; /* Unsupported. */
195 case PIPE_FORMAT_DXT1_RGB
:
196 case PIPE_FORMAT_DXT1_RGBA
:
197 case PIPE_FORMAT_DXT1_SRGB
:
198 case PIPE_FORMAT_DXT1_SRGBA
:
199 return R300_TX_FORMAT_DXT1
| result
;
200 case PIPE_FORMAT_DXT3_RGBA
:
201 case PIPE_FORMAT_DXT3_SRGBA
:
202 return R300_TX_FORMAT_DXT3
| result
;
203 case PIPE_FORMAT_DXT5_RGBA
:
204 case PIPE_FORMAT_DXT5_SRGBA
:
205 return R300_TX_FORMAT_DXT5
| result
;
207 return ~0; /* Unsupported/unknown. */
212 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
214 case PIPE_FORMAT_RGTC1_SNORM
:
215 case PIPE_FORMAT_LATC1_SNORM
:
216 case PIPE_FORMAT_LATC1_UNORM
:
217 case PIPE_FORMAT_RGTC1_UNORM
:
218 return R500_TX_FORMAT_ATI1N
| result
;
220 case PIPE_FORMAT_RGTC2_SNORM
:
221 case PIPE_FORMAT_LATC2_SNORM
:
222 result
|= sign_bit
[1] | sign_bit
[0];
223 case PIPE_FORMAT_RGTC2_UNORM
:
224 case PIPE_FORMAT_LATC2_UNORM
:
225 return R400_TX_FORMAT_ATI2N
| result
;
228 return ~0; /* Unsupported/unknown. */
232 /* This is truly a special format.
233 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
234 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
235 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
236 return R300_TX_FORMAT_CxV8U8
| result
;
239 /* Integer and fixed-point 16.16 textures are not supported. */
240 for (i
= 0; i
< 4; i
++) {
241 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
||
242 ((desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
||
243 desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_UNSIGNED
) &&
244 (!desc
->channel
[i
].normalized
||
245 desc
->channel
[i
].pure_integer
))) {
246 return ~0; /* Unsupported/unknown. */
251 for (i
= 0; i
< desc
->nr_channels
; i
++) {
252 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
253 result
|= sign_bit
[i
];
257 /* See whether the components are of the same size. */
258 for (i
= 1; i
< desc
->nr_channels
; i
++) {
259 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
262 /* Non-uniform formats. */
264 switch (desc
->nr_channels
) {
266 if (desc
->channel
[0].size
== 5 &&
267 desc
->channel
[1].size
== 6 &&
268 desc
->channel
[2].size
== 5) {
269 return R300_TX_FORMAT_Z5Y6X5
| result
;
271 if (desc
->channel
[0].size
== 5 &&
272 desc
->channel
[1].size
== 5 &&
273 desc
->channel
[2].size
== 6) {
274 return R300_TX_FORMAT_Z6Y5X5
| result
;
276 if (desc
->channel
[0].size
== 2 &&
277 desc
->channel
[1].size
== 3 &&
278 desc
->channel
[2].size
== 3) {
279 return R300_TX_FORMAT_Z3Y3X2
| result
;
281 return ~0; /* Unsupported/unknown. */
284 if (desc
->channel
[0].size
== 5 &&
285 desc
->channel
[1].size
== 5 &&
286 desc
->channel
[2].size
== 5 &&
287 desc
->channel
[3].size
== 1) {
288 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
290 if (desc
->channel
[0].size
== 10 &&
291 desc
->channel
[1].size
== 10 &&
292 desc
->channel
[2].size
== 10 &&
293 desc
->channel
[3].size
== 2) {
294 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
297 return ~0; /* Unsupported/unknown. */
300 /* Find the first non-VOID channel. */
301 for (i
= 0; i
< 4; i
++) {
302 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
308 return ~0; /* Unsupported/unknown. */
310 /* And finally, uniform formats. */
311 switch (desc
->channel
[i
].type
) {
312 case UTIL_FORMAT_TYPE_UNSIGNED
:
313 case UTIL_FORMAT_TYPE_SIGNED
:
314 if (!desc
->channel
[i
].normalized
&&
315 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
319 switch (desc
->channel
[i
].size
) {
321 switch (desc
->nr_channels
) {
323 return R300_TX_FORMAT_Y4X4
| result
;
325 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
330 switch (desc
->nr_channels
) {
332 return R300_TX_FORMAT_X8
| result
;
334 return R300_TX_FORMAT_Y8X8
| result
;
336 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
341 switch (desc
->nr_channels
) {
343 return R300_TX_FORMAT_X16
| result
;
345 return R300_TX_FORMAT_Y16X16
| result
;
347 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
352 case UTIL_FORMAT_TYPE_FLOAT
:
353 switch (desc
->channel
[i
].size
) {
355 switch (desc
->nr_channels
) {
357 return R300_TX_FORMAT_16F
| result
;
359 return R300_TX_FORMAT_16F_16F
| result
;
361 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
366 switch (desc
->nr_channels
) {
368 return R300_TX_FORMAT_32F
| result
;
370 return R300_TX_FORMAT_32F_32F
| result
;
372 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
377 return ~0; /* Unsupported/unknown. */
380 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
383 case PIPE_FORMAT_RGTC1_UNORM
:
384 case PIPE_FORMAT_RGTC1_SNORM
:
385 case PIPE_FORMAT_LATC1_UNORM
:
386 case PIPE_FORMAT_LATC1_SNORM
:
387 case PIPE_FORMAT_X8Z24_UNORM
:
388 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
389 return R500_TXFORMAT_MSB
;
395 /* Buffer formats. */
397 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
398 * output. For the swizzling of the targets, check the shader's format. */
399 static uint32_t r300_translate_colorformat(enum pipe_format format
)
403 case PIPE_FORMAT_A8_UNORM
:
404 case PIPE_FORMAT_A8_SNORM
:
405 case PIPE_FORMAT_I8_UNORM
:
406 case PIPE_FORMAT_I8_SNORM
:
407 case PIPE_FORMAT_L8_UNORM
:
408 case PIPE_FORMAT_L8_SNORM
:
409 case PIPE_FORMAT_R8_UNORM
:
410 case PIPE_FORMAT_R8_SNORM
:
411 return R300_COLOR_FORMAT_I8
;
413 /* 16-bit buffers. */
414 case PIPE_FORMAT_L8A8_UNORM
:
415 case PIPE_FORMAT_L8A8_SNORM
:
416 case PIPE_FORMAT_R8G8_UNORM
:
417 case PIPE_FORMAT_R8G8_SNORM
:
418 case PIPE_FORMAT_R8A8_UNORM
:
419 case PIPE_FORMAT_R8A8_SNORM
:
420 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
421 case PIPE_FORMAT_A16_UNORM
:
422 case PIPE_FORMAT_A16_SNORM
:
423 case PIPE_FORMAT_A16_FLOAT
:
424 case PIPE_FORMAT_L16_UNORM
:
425 case PIPE_FORMAT_L16_SNORM
:
426 case PIPE_FORMAT_L16_FLOAT
:
427 case PIPE_FORMAT_I16_UNORM
:
428 case PIPE_FORMAT_I16_SNORM
:
429 case PIPE_FORMAT_I16_FLOAT
:
430 case PIPE_FORMAT_R16_UNORM
:
431 case PIPE_FORMAT_R16_SNORM
:
432 case PIPE_FORMAT_R16_FLOAT
:
433 return R300_COLOR_FORMAT_UV88
;
435 case PIPE_FORMAT_B5G6R5_UNORM
:
436 return R300_COLOR_FORMAT_RGB565
;
438 case PIPE_FORMAT_B5G5R5A1_UNORM
:
439 case PIPE_FORMAT_B5G5R5X1_UNORM
:
440 return R300_COLOR_FORMAT_ARGB1555
;
442 case PIPE_FORMAT_B4G4R4A4_UNORM
:
443 case PIPE_FORMAT_B4G4R4X4_UNORM
:
444 return R300_COLOR_FORMAT_ARGB4444
;
446 /* 32-bit buffers. */
447 case PIPE_FORMAT_B8G8R8A8_UNORM
:
448 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
449 case PIPE_FORMAT_B8G8R8X8_UNORM
:
450 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
451 case PIPE_FORMAT_R8G8B8A8_UNORM
:
452 case PIPE_FORMAT_R8G8B8A8_SNORM
:
453 case PIPE_FORMAT_R8G8B8X8_UNORM
:
454 case PIPE_FORMAT_R8G8B8X8_SNORM
:
455 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
457 case PIPE_FORMAT_R16G16_UNORM
:
458 case PIPE_FORMAT_R16G16_SNORM
:
459 case PIPE_FORMAT_R16G16_FLOAT
:
460 case PIPE_FORMAT_L16A16_UNORM
:
461 case PIPE_FORMAT_L16A16_SNORM
:
462 case PIPE_FORMAT_L16A16_FLOAT
:
463 case PIPE_FORMAT_R16A16_UNORM
:
464 case PIPE_FORMAT_R16A16_SNORM
:
465 case PIPE_FORMAT_R16A16_FLOAT
:
466 case PIPE_FORMAT_A32_FLOAT
:
467 case PIPE_FORMAT_L32_FLOAT
:
468 case PIPE_FORMAT_I32_FLOAT
:
469 case PIPE_FORMAT_R32_FLOAT
:
470 return R300_COLOR_FORMAT_ARGB8888
;
472 case PIPE_FORMAT_R10G10B10A2_UNORM
:
473 case PIPE_FORMAT_R10G10B10X2_SNORM
:
474 case PIPE_FORMAT_B10G10R10A2_UNORM
:
475 case PIPE_FORMAT_B10G10R10X2_UNORM
:
476 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
478 /* 64-bit buffers. */
479 case PIPE_FORMAT_R16G16B16A16_UNORM
:
480 case PIPE_FORMAT_R16G16B16A16_SNORM
:
481 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
482 case PIPE_FORMAT_R16G16B16X16_UNORM
:
483 case PIPE_FORMAT_R16G16B16X16_SNORM
:
484 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
485 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
487 case PIPE_FORMAT_R32G32_FLOAT
:
488 case PIPE_FORMAT_L32A32_FLOAT
:
489 case PIPE_FORMAT_R32A32_FLOAT
:
490 return R300_COLOR_FORMAT_ARGB16161616
;
492 /* 128-bit buffers. */
493 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
494 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
495 return R300_COLOR_FORMAT_ARGB32323232
;
498 case PIPE_FORMAT_UYVY
:
499 return R300_COLOR_FORMAT_YVYU
;
500 case PIPE_FORMAT_YUYV
:
501 return R300_COLOR_FORMAT_VYUY
;
503 return ~0; /* Unsupported. */
507 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
508 static uint32_t r300_translate_zsformat(enum pipe_format format
)
511 /* 16-bit depth, no stencil */
512 case PIPE_FORMAT_Z16_UNORM
:
513 return R300_DEPTHFORMAT_16BIT_INT_Z
;
514 /* 24-bit depth, ignored stencil */
515 case PIPE_FORMAT_X8Z24_UNORM
:
516 /* 24-bit depth, 8-bit stencil */
517 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
518 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
520 return ~0; /* Unsupported. */
524 /* Shader output formats. This is essentially the swizzle from the shader
527 * Note that formats are stored from C3 to C0. */
528 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
530 uint32_t modifier
= 0;
532 const struct util_format_description
*desc
;
533 boolean uniform_sign
;
535 desc
= util_format_description(format
);
537 /* Find the first non-VOID channel. */
538 for (i
= 0; i
< 4; i
++) {
539 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
545 return ~0; /* Unsupported/unknown. */
547 /* Specifies how the shader output is written to the fog unit. */
548 switch (desc
->channel
[i
].type
) {
549 case UTIL_FORMAT_TYPE_FLOAT
:
550 switch (desc
->channel
[i
].size
) {
552 switch (desc
->nr_channels
) {
554 modifier
|= R300_US_OUT_FMT_C_32_FP
;
557 modifier
|= R300_US_OUT_FMT_C2_32_FP
;
560 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
566 switch (desc
->nr_channels
) {
568 modifier
|= R300_US_OUT_FMT_C_16_FP
;
571 modifier
|= R300_US_OUT_FMT_C2_16_FP
;
574 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
582 switch (desc
->channel
[i
].size
) {
584 switch (desc
->nr_channels
) {
586 modifier
|= R300_US_OUT_FMT_C_16
;
589 modifier
|= R300_US_OUT_FMT_C2_16
;
592 modifier
|= R300_US_OUT_FMT_C4_16
;
598 modifier
|= R300_US_OUT_FMT_C4_10
;
602 /* C4_8 seems to be used for the formats whose pixel size
604 modifier
|= R300_US_OUT_FMT_C4_8
;
611 for (i
= 0; i
< desc
->nr_channels
; i
++)
612 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_SIGNED
)
613 uniform_sign
= FALSE
;
616 modifier
|= R300_OUT_SIGN(0xf);
618 /* Add swizzles and return. */
620 /*** Special cases (non-standard channel mapping) ***/
623 * COLORFORMAT_I8 stores the Z component (C2). */
624 case PIPE_FORMAT_A8_UNORM
:
625 case PIPE_FORMAT_A8_SNORM
:
626 return modifier
| R300_C2_SEL_A
;
627 case PIPE_FORMAT_I8_UNORM
:
628 case PIPE_FORMAT_I8_SNORM
:
629 case PIPE_FORMAT_L8_UNORM
:
630 case PIPE_FORMAT_L8_SNORM
:
631 case PIPE_FORMAT_R8_UNORM
:
632 case PIPE_FORMAT_R8_SNORM
:
633 return modifier
| R300_C2_SEL_R
;
636 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
637 case PIPE_FORMAT_L8A8_SNORM
:
638 case PIPE_FORMAT_L8A8_UNORM
:
639 case PIPE_FORMAT_R8A8_SNORM
:
640 case PIPE_FORMAT_R8A8_UNORM
:
641 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
642 case PIPE_FORMAT_R8G8_SNORM
:
643 case PIPE_FORMAT_R8G8_UNORM
:
644 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
647 * ARGB16161616 stores XZ for RG32F */
648 case PIPE_FORMAT_R32G32_FLOAT
:
649 return modifier
| R300_C0_SEL_R
| R300_C2_SEL_G
;
651 /*** Generic cases (standard channel mapping) ***/
654 case PIPE_FORMAT_B5G6R5_UNORM
:
655 case PIPE_FORMAT_B5G5R5A1_UNORM
:
656 case PIPE_FORMAT_B5G5R5X1_UNORM
:
657 case PIPE_FORMAT_B4G4R4A4_UNORM
:
658 case PIPE_FORMAT_B4G4R4X4_UNORM
:
659 case PIPE_FORMAT_B8G8R8A8_UNORM
:
660 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
661 case PIPE_FORMAT_B8G8R8X8_UNORM
:
662 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
663 case PIPE_FORMAT_B10G10R10A2_UNORM
:
664 case PIPE_FORMAT_B10G10R10X2_UNORM
:
666 R300_C0_SEL_B
| R300_C1_SEL_G
|
667 R300_C2_SEL_R
| R300_C3_SEL_A
;
670 case PIPE_FORMAT_A16_UNORM
:
671 case PIPE_FORMAT_A16_SNORM
:
672 case PIPE_FORMAT_A16_FLOAT
:
673 case PIPE_FORMAT_A32_FLOAT
:
675 R300_C0_SEL_A
| R300_C1_SEL_R
|
676 R300_C2_SEL_G
| R300_C3_SEL_B
;
679 case PIPE_FORMAT_R8G8B8X8_UNORM
:
680 case PIPE_FORMAT_R8G8B8X8_SNORM
:
681 case PIPE_FORMAT_R8G8B8A8_UNORM
:
682 case PIPE_FORMAT_R8G8B8A8_SNORM
:
683 case PIPE_FORMAT_R10G10B10A2_UNORM
:
684 case PIPE_FORMAT_R10G10B10X2_SNORM
:
685 case PIPE_FORMAT_R16_UNORM
:
686 case PIPE_FORMAT_R16G16_UNORM
:
687 case PIPE_FORMAT_R16G16B16A16_UNORM
:
688 case PIPE_FORMAT_R16_SNORM
:
689 case PIPE_FORMAT_R16G16_SNORM
:
690 case PIPE_FORMAT_R16G16B16A16_SNORM
:
691 case PIPE_FORMAT_R16_FLOAT
:
692 case PIPE_FORMAT_R16G16_FLOAT
:
693 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
694 case PIPE_FORMAT_R32_FLOAT
:
695 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
696 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
697 case PIPE_FORMAT_L16_UNORM
:
698 case PIPE_FORMAT_L16_SNORM
:
699 case PIPE_FORMAT_L16_FLOAT
:
700 case PIPE_FORMAT_L32_FLOAT
:
701 case PIPE_FORMAT_I16_UNORM
:
702 case PIPE_FORMAT_I16_SNORM
:
703 case PIPE_FORMAT_I16_FLOAT
:
704 case PIPE_FORMAT_I32_FLOAT
:
705 case PIPE_FORMAT_R16G16B16X16_UNORM
:
706 case PIPE_FORMAT_R16G16B16X16_SNORM
:
707 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
709 R300_C0_SEL_R
| R300_C1_SEL_G
|
710 R300_C2_SEL_B
| R300_C3_SEL_A
;
713 case PIPE_FORMAT_L16A16_UNORM
:
714 case PIPE_FORMAT_L16A16_SNORM
:
715 case PIPE_FORMAT_L16A16_FLOAT
:
716 case PIPE_FORMAT_R16A16_UNORM
:
717 case PIPE_FORMAT_R16A16_SNORM
:
718 case PIPE_FORMAT_R16A16_FLOAT
:
719 case PIPE_FORMAT_L32A32_FLOAT
:
720 case PIPE_FORMAT_R32A32_FLOAT
:
722 R300_C0_SEL_R
| R300_C1_SEL_A
;
725 return ~0; /* Unsupported. */
729 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format
)
732 case PIPE_FORMAT_A8_UNORM
:
733 case PIPE_FORMAT_A8_SNORM
:
734 case PIPE_FORMAT_A16_UNORM
:
735 case PIPE_FORMAT_A16_SNORM
:
736 case PIPE_FORMAT_A16_FLOAT
:
737 case PIPE_FORMAT_A32_FLOAT
:
738 return COLORMASK_AAAA
;
740 case PIPE_FORMAT_I8_UNORM
:
741 case PIPE_FORMAT_I8_SNORM
:
742 case PIPE_FORMAT_L8_UNORM
:
743 case PIPE_FORMAT_L8_SNORM
:
744 case PIPE_FORMAT_R8_UNORM
:
745 case PIPE_FORMAT_R8_SNORM
:
746 case PIPE_FORMAT_R32_FLOAT
:
747 case PIPE_FORMAT_L32_FLOAT
:
748 case PIPE_FORMAT_I32_FLOAT
:
749 return COLORMASK_RRRR
;
751 case PIPE_FORMAT_L8A8_SNORM
:
752 case PIPE_FORMAT_L8A8_UNORM
:
753 case PIPE_FORMAT_R8A8_UNORM
:
754 case PIPE_FORMAT_R8A8_SNORM
:
755 case PIPE_FORMAT_L16A16_UNORM
:
756 case PIPE_FORMAT_L16A16_SNORM
:
757 case PIPE_FORMAT_L16A16_FLOAT
:
758 case PIPE_FORMAT_R16A16_UNORM
:
759 case PIPE_FORMAT_R16A16_SNORM
:
760 case PIPE_FORMAT_R16A16_FLOAT
:
761 case PIPE_FORMAT_L32A32_FLOAT
:
762 case PIPE_FORMAT_R32A32_FLOAT
:
763 return COLORMASK_ARRA
;
765 case PIPE_FORMAT_R8G8_SNORM
:
766 case PIPE_FORMAT_R8G8_UNORM
:
767 case PIPE_FORMAT_R16G16_UNORM
:
768 case PIPE_FORMAT_R16G16_SNORM
:
769 case PIPE_FORMAT_R16G16_FLOAT
:
770 case PIPE_FORMAT_R32G32_FLOAT
:
771 return COLORMASK_GRRG
;
773 case PIPE_FORMAT_B5G5R5X1_UNORM
:
774 case PIPE_FORMAT_B4G4R4X4_UNORM
:
775 case PIPE_FORMAT_B8G8R8X8_UNORM
:
776 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
777 case PIPE_FORMAT_B10G10R10X2_UNORM
:
778 return COLORMASK_BGRX
;
780 case PIPE_FORMAT_B5G6R5_UNORM
:
781 case PIPE_FORMAT_B5G5R5A1_UNORM
:
782 case PIPE_FORMAT_B4G4R4A4_UNORM
:
783 case PIPE_FORMAT_B8G8R8A8_UNORM
:
784 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
785 case PIPE_FORMAT_B10G10R10A2_UNORM
:
786 return COLORMASK_BGRA
;
788 case PIPE_FORMAT_R8G8B8X8_UNORM
:
789 /* RGBX_SNORM formats are broken for an unknown reason */
790 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
791 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/
792 case PIPE_FORMAT_R16G16B16X16_UNORM
:
793 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/
794 case PIPE_FORMAT_R16G16B16X16_FLOAT
:
795 case PIPE_FORMAT_R32G32B32X32_FLOAT
:
796 return COLORMASK_RGBX
;
798 case PIPE_FORMAT_R8G8B8A8_UNORM
:
799 case PIPE_FORMAT_R8G8B8A8_SNORM
:
800 case PIPE_FORMAT_R10G10B10A2_UNORM
:
801 case PIPE_FORMAT_R16_UNORM
:
802 case PIPE_FORMAT_R16G16B16A16_UNORM
:
803 case PIPE_FORMAT_R16_SNORM
:
804 case PIPE_FORMAT_R16G16B16A16_SNORM
:
805 case PIPE_FORMAT_R16_FLOAT
:
806 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
807 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
808 case PIPE_FORMAT_L16_UNORM
:
809 case PIPE_FORMAT_L16_SNORM
:
810 case PIPE_FORMAT_L16_FLOAT
:
811 case PIPE_FORMAT_I16_UNORM
:
812 case PIPE_FORMAT_I16_SNORM
:
813 case PIPE_FORMAT_I16_FLOAT
:
814 return COLORMASK_RGBA
;
817 return ~0; /* Unsupported. */
821 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
823 return r300_translate_colorformat(format
) != ~0 &&
824 r300_translate_out_fmt(format
) != ~0 &&
825 r300_translate_colormask_swizzle(format
) != ~0;
828 boolean
r300_is_zs_format_supported(enum pipe_format format
)
830 return r300_translate_zsformat(format
) != ~0;
833 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
835 return r300_translate_texformat(format
, 0, TRUE
, FALSE
) != ~0;
838 void r300_texture_setup_format_state(struct r300_screen
*screen
,
839 struct r300_resource
*tex
,
840 enum pipe_format format
,
842 unsigned width0_override
,
843 unsigned height0_override
,
844 struct r300_texture_format_state
*out
)
846 struct pipe_resource
*pt
= &tex
->b
.b
;
847 struct r300_texture_desc
*desc
= &tex
->tex
;
848 boolean is_r500
= screen
->caps
.is_r500
;
849 unsigned width
, height
, depth
;
850 unsigned txwidth
, txheight
, txdepth
;
852 width
= u_minify(width0_override
, level
);
853 height
= u_minify(height0_override
, level
);
854 depth
= u_minify(desc
->depth0
, level
);
856 txwidth
= (width
- 1) & 0x7ff;
857 txheight
= (height
- 1) & 0x7ff;
858 txdepth
= util_logbase2(depth
) & 0xf;
860 /* Mask out all the fields we change. */
862 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
863 out
->format2
&= R500_TXFORMAT_MSB
;
864 out
->tile_config
= 0;
866 /* Set sampler state. */
868 R300_TX_WIDTH(txwidth
) |
869 R300_TX_HEIGHT(txheight
) |
870 R300_TX_DEPTH(txdepth
);
872 if (desc
->uses_stride_addressing
) {
874 r300_stride_to_width(format
, desc
->stride_in_bytes
[level
]);
875 /* rectangles love this */
876 out
->format0
|= R300_TX_PITCH_EN
;
877 out
->format2
= (stride
- 1) & 0x1fff;
880 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
881 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
883 if (pt
->target
== PIPE_TEXTURE_3D
) {
884 out
->format1
|= R300_TX_FORMAT_3D
;
887 /* large textures on r500 */
890 unsigned us_width
= txwidth
;
891 unsigned us_height
= txheight
;
892 unsigned us_depth
= txdepth
;
895 out
->format2
|= R500_TXWIDTH_BIT11
;
898 out
->format2
|= R500_TXHEIGHT_BIT11
;
901 /* The US_FORMAT register fixes an R500 TX addressing bug.
902 * Don't ask why it must be set like this. I don't know it either. */
904 us_width
= (0x000007FF + us_width
) >> 1;
905 us_depth
|= 0x0000000D;
908 us_height
= (0x000007FF + us_height
) >> 1;
909 us_depth
|= 0x0000000E;
913 R300_TX_WIDTH(us_width
) |
914 R300_TX_HEIGHT(us_height
) |
915 R300_TX_DEPTH(us_depth
);
918 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
919 R300_TXO_MICRO_TILE(desc
->microtile
);
922 static void r300_texture_setup_fb_state(struct r300_surface
*surf
)
924 struct r300_resource
*tex
= r300_resource(surf
->base
.texture
);
925 unsigned level
= surf
->base
.u
.tex
.level
;
927 r300_stride_to_width(surf
->base
.format
, tex
->tex
.stride_in_bytes
[level
]);
929 /* Set framebuffer state. */
930 if (util_format_is_depth_or_stencil(surf
->base
.format
)) {
933 R300_DEPTHMACROTILE(tex
->tex
.macrotile
[level
]) |
934 R300_DEPTHMICROTILE(tex
->tex
.microtile
);
935 surf
->format
= r300_translate_zsformat(surf
->base
.format
);
936 surf
->pitch_zmask
= tex
->tex
.zmask_stride_in_pixels
[level
];
937 surf
->pitch_hiz
= tex
->tex
.hiz_stride_in_pixels
[level
];
941 r300_translate_colorformat(surf
->base
.format
) |
942 R300_COLOR_TILE(tex
->tex
.macrotile
[level
]) |
943 R300_COLOR_MICROTILE(tex
->tex
.microtile
);
944 surf
->format
= r300_translate_out_fmt(surf
->base
.format
);
945 surf
->colormask_swizzle
=
946 r300_translate_colormask_swizzle(surf
->base
.format
);
947 surf
->pitch_cmask
= tex
->tex
.cmask_stride_in_pixels
;
951 static void r300_texture_destroy(struct pipe_screen
*screen
,
952 struct pipe_resource
* texture
)
954 struct r300_screen
*rscreen
= r300_screen(screen
);
955 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
957 if (tex
->tex
.cmask_dwords
) {
958 pipe_mutex_lock(rscreen
->cmask_mutex
);
959 if (texture
== rscreen
->cmask_resource
) {
960 rscreen
->cmask_resource
= NULL
;
962 pipe_mutex_unlock(rscreen
->cmask_mutex
);
964 pb_reference(&tex
->buf
, NULL
);
968 boolean
r300_resource_get_handle(struct pipe_screen
* screen
,
969 struct pipe_resource
*texture
,
970 struct winsys_handle
*whandle
)
972 struct radeon_winsys
*rws
= r300_screen(screen
)->rws
;
973 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
979 return rws
->buffer_get_handle(tex
->buf
,
980 tex
->tex
.stride_in_bytes
[0], whandle
);
983 static const struct u_resource_vtbl r300_texture_vtbl
=
985 NULL
, /* get_handle */
986 r300_texture_destroy
, /* resource_destroy */
987 r300_texture_transfer_map
, /* transfer_map */
988 NULL
, /* transfer_flush_region */
989 r300_texture_transfer_unmap
, /* transfer_unmap */
990 NULL
/* transfer_inline_write */
993 /* The common texture constructor. */
994 static struct r300_resource
*
995 r300_texture_create_object(struct r300_screen
*rscreen
,
996 const struct pipe_resource
*base
,
997 enum radeon_bo_layout microtile
,
998 enum radeon_bo_layout macrotile
,
999 unsigned stride_in_bytes_override
,
1000 struct pb_buffer
*buffer
)
1002 struct radeon_winsys
*rws
= rscreen
->rws
;
1003 struct r300_resource
*tex
= NULL
;
1005 tex
= CALLOC_STRUCT(r300_resource
);
1010 pipe_reference_init(&tex
->b
.b
.reference
, 1);
1011 tex
->b
.b
.screen
= &rscreen
->screen
;
1012 tex
->b
.b
.usage
= base
->usage
;
1013 tex
->b
.b
.bind
= base
->bind
;
1014 tex
->b
.b
.flags
= base
->flags
;
1015 tex
->b
.vtbl
= &r300_texture_vtbl
;
1016 tex
->tex
.microtile
= microtile
;
1017 tex
->tex
.macrotile
[0] = macrotile
;
1018 tex
->tex
.stride_in_bytes_override
= stride_in_bytes_override
;
1019 tex
->domain
= (base
->flags
& R300_RESOURCE_FLAG_TRANSFER
||
1020 base
->usage
== PIPE_USAGE_STAGING
) ? RADEON_DOMAIN_GTT
:
1021 base
->nr_samples
> 1 ? RADEON_DOMAIN_VRAM
:
1022 RADEON_DOMAIN_VRAM
| RADEON_DOMAIN_GTT
;
1025 r300_texture_desc_init(rscreen
, tex
, base
);
1027 /* Figure out the ideal placement for the texture.. */
1028 if (tex
->domain
& RADEON_DOMAIN_VRAM
&&
1029 tex
->tex
.size_in_bytes
>= rscreen
->info
.vram_size
) {
1030 tex
->domain
&= ~RADEON_DOMAIN_VRAM
;
1031 tex
->domain
|= RADEON_DOMAIN_GTT
;
1033 if (tex
->domain
& RADEON_DOMAIN_GTT
&&
1034 tex
->tex
.size_in_bytes
>= rscreen
->info
.gart_size
) {
1035 tex
->domain
&= ~RADEON_DOMAIN_GTT
;
1037 /* Just fail if the texture is too large. */
1042 /* Create the backing buffer if needed. */
1044 tex
->buf
= rws
->buffer_create(rws
, tex
->tex
.size_in_bytes
, 2048, TRUE
,
1052 if (SCREEN_DBG_ON(rscreen
, DBG_MSAA
) && base
->nr_samples
> 1) {
1053 fprintf(stderr
, "r300: %ix MSAA %s buffer created\n",
1055 util_format_is_depth_or_stencil(base
->format
) ? "depth" : "color");
1058 tex
->cs_buf
= rws
->buffer_get_cs_handle(tex
->buf
);
1060 rws
->buffer_set_tiling(tex
->buf
, NULL
,
1061 tex
->tex
.microtile
, tex
->tex
.macrotile
[0],
1063 tex
->tex
.stride_in_bytes
[0]);
1070 pb_reference(&buffer
, NULL
);
1074 /* Create a new texture. */
1075 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
1076 const struct pipe_resource
*base
)
1078 struct r300_screen
*rscreen
= r300_screen(screen
);
1079 enum radeon_bo_layout microtile
, macrotile
;
1081 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
1082 (base
->bind
& (PIPE_BIND_SCANOUT
| PIPE_BIND_LINEAR
))) {
1083 microtile
= RADEON_LAYOUT_LINEAR
;
1084 macrotile
= RADEON_LAYOUT_LINEAR
;
1086 /* This will make the texture_create_function select the layout. */
1087 microtile
= RADEON_LAYOUT_UNKNOWN
;
1088 macrotile
= RADEON_LAYOUT_UNKNOWN
;
1091 return (struct pipe_resource
*)
1092 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
1096 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
1097 const struct pipe_resource
*base
,
1098 struct winsys_handle
*whandle
)
1100 struct r300_screen
*rscreen
= r300_screen(screen
);
1101 struct radeon_winsys
*rws
= rscreen
->rws
;
1102 struct pb_buffer
*buffer
;
1103 enum radeon_bo_layout microtile
, macrotile
;
1106 /* Support only 2D textures without mipmaps */
1107 if ((base
->target
!= PIPE_TEXTURE_2D
&&
1108 base
->target
!= PIPE_TEXTURE_RECT
) ||
1109 base
->depth0
!= 1 ||
1110 base
->last_level
!= 0) {
1114 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
);
1118 rws
->buffer_get_tiling(buffer
, µtile
, ¯otile
, NULL
, NULL
, NULL
, NULL
, NULL
);
1120 /* Enforce a microtiled zbuffer. */
1121 if (util_format_is_depth_or_stencil(base
->format
) &&
1122 microtile
== RADEON_LAYOUT_LINEAR
) {
1123 switch (util_format_get_blocksize(base
->format
)) {
1125 microtile
= RADEON_LAYOUT_TILED
;
1129 microtile
= RADEON_LAYOUT_SQUARETILED
;
1134 return (struct pipe_resource
*)
1135 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
1139 /* Not required to implement u_resource_vtbl, consider moving to another file:
1141 struct pipe_surface
* r300_create_surface_custom(struct pipe_context
* ctx
,
1142 struct pipe_resource
* texture
,
1143 const struct pipe_surface
*surf_tmpl
,
1144 unsigned width0_override
,
1145 unsigned height0_override
)
1147 struct r300_resource
* tex
= r300_resource(texture
);
1148 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
1149 unsigned level
= surf_tmpl
->u
.tex
.level
;
1151 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
1154 uint32_t offset
, tile_height
;
1156 pipe_reference_init(&surface
->base
.reference
, 1);
1157 pipe_resource_reference(&surface
->base
.texture
, texture
);
1158 surface
->base
.context
= ctx
;
1159 surface
->base
.format
= surf_tmpl
->format
;
1160 surface
->base
.width
= u_minify(width0_override
, level
);
1161 surface
->base
.height
= u_minify(height0_override
, level
);
1162 surface
->base
.u
.tex
.level
= level
;
1163 surface
->base
.u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
1164 surface
->base
.u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
1166 surface
->buf
= tex
->buf
;
1167 surface
->cs_buf
= tex
->cs_buf
;
1169 /* Prefer VRAM if there are multiple domains to choose from. */
1170 surface
->domain
= tex
->domain
;
1171 if (surface
->domain
& RADEON_DOMAIN_VRAM
)
1172 surface
->domain
&= ~RADEON_DOMAIN_GTT
;
1174 surface
->offset
= r300_texture_get_offset(tex
, level
,
1175 surf_tmpl
->u
.tex
.first_layer
);
1176 r300_texture_setup_fb_state(surface
);
1178 /* Parameters for the CBZB clear. */
1179 surface
->cbzb_allowed
= tex
->tex
.cbzb_allowed
[level
];
1180 surface
->cbzb_width
= align(surface
->base
.width
, 64);
1182 /* Height must be aligned to the size of a tile. */
1183 tile_height
= r300_get_pixel_alignment(surface
->base
.format
,
1184 tex
->b
.b
.nr_samples
,
1186 tex
->tex
.macrotile
[level
],
1189 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
1192 /* Offset must be aligned to 2K and must point at the beginning
1194 offset
= surface
->offset
+
1195 tex
->tex
.stride_in_bytes
[level
] * surface
->cbzb_height
;
1196 surface
->cbzb_midpoint_offset
= offset
& ~2047;
1198 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
1200 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
1201 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
1203 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
1205 DBG(r300_context(ctx
), DBG_CBZB
,
1206 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1207 surface
->cbzb_allowed
? "YES" : " NO",
1208 surface
->cbzb_width
, surface
->cbzb_height
,
1210 tex
->tex
.microtile
? "YES" : " NO",
1211 tex
->tex
.macrotile
[level
] ? "YES" : " NO");
1214 return &surface
->base
;
1217 struct pipe_surface
* r300_create_surface(struct pipe_context
* ctx
,
1218 struct pipe_resource
* texture
,
1219 const struct pipe_surface
*surf_tmpl
)
1221 return r300_create_surface_custom(ctx
, texture
, surf_tmpl
,
1226 /* Not required to implement u_resource_vtbl, consider moving to another file:
1228 void r300_surface_destroy(struct pipe_context
*ctx
, struct pipe_surface
* s
)
1230 pipe_resource_reference(&s
->texture
, NULL
);