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 void util_format_combine_swizzles(unsigned char *dst
,
42 const unsigned char *swz1
,
43 const unsigned char *swz2
)
47 for (i
= 0; i
< 4; i
++) {
48 dst
[i
] = swz2
[i
] <= UTIL_FORMAT_SWIZZLE_W
?
49 swz1
[swz2
[i
]] : swz2
[i
];
53 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
54 const unsigned char *swizzle_view
,
58 unsigned char swizzle
[4];
60 const uint32_t swizzle_shift
[4] = {
61 R300_TX_FORMAT_R_SHIFT
,
62 R300_TX_FORMAT_G_SHIFT
,
63 R300_TX_FORMAT_B_SHIFT
,
64 R300_TX_FORMAT_A_SHIFT
66 uint32_t swizzle_bit
[4] = {
67 dxtc_swizzle
? R300_TX_FORMAT_Z
: R300_TX_FORMAT_X
,
69 dxtc_swizzle
? R300_TX_FORMAT_X
: R300_TX_FORMAT_Z
,
74 /* Combine two sets of swizzles. */
75 util_format_combine_swizzles(swizzle
, swizzle_format
, swizzle_view
);
77 memcpy(swizzle
, swizzle_format
, 4);
81 for (i
= 0; i
< 4; i
++) {
83 case UTIL_FORMAT_SWIZZLE_Y
:
84 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
86 case UTIL_FORMAT_SWIZZLE_Z
:
87 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
89 case UTIL_FORMAT_SWIZZLE_W
:
90 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
92 case UTIL_FORMAT_SWIZZLE_0
:
93 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
95 case UTIL_FORMAT_SWIZZLE_1
:
96 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
98 default: /* UTIL_FORMAT_SWIZZLE_X */
99 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
105 /* Translate a pipe_format into a useful texture format for sampling.
107 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
108 * but the majority of them is translated in a generic way, automatically
109 * supporting all the formats hw can support.
111 * R300_EASY_TX_FORMAT swizzles the texture.
112 * Note the signature of R300_EASY_TX_FORMAT:
113 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
115 * The FORMAT specifies how the texture sampler will treat the texture, and
116 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
117 uint32_t r300_translate_texformat(enum pipe_format format
,
118 const unsigned char *swizzle_view
,
120 boolean dxtc_swizzle
)
123 const struct util_format_description
*desc
;
125 boolean uniform
= TRUE
;
126 const uint32_t sign_bit
[4] = {
127 R300_TX_FORMAT_SIGNED_W
,
128 R300_TX_FORMAT_SIGNED_Z
,
129 R300_TX_FORMAT_SIGNED_Y
,
130 R300_TX_FORMAT_SIGNED_X
,
133 desc
= util_format_description(format
);
135 /* Colorspace (return non-RGB formats directly). */
136 switch (desc
->colorspace
) {
137 /* Depth stencil formats.
138 * Swizzles are added in r300_merge_textures_and_samplers. */
139 case UTIL_FORMAT_COLORSPACE_ZS
:
141 case PIPE_FORMAT_Z16_UNORM
:
142 return R300_TX_FORMAT_X16
;
143 case PIPE_FORMAT_X8Z24_UNORM
:
144 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
146 return R500_TX_FORMAT_Y8X24
;
148 return R300_TX_FORMAT_Y16X16
;
150 return ~0; /* Unsupported. */
154 case UTIL_FORMAT_COLORSPACE_YUV
:
155 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
158 case PIPE_FORMAT_UYVY
:
159 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
160 case PIPE_FORMAT_YUYV
:
161 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
163 return ~0; /* Unsupported/unknown. */
166 /* Add gamma correction. */
167 case UTIL_FORMAT_COLORSPACE_SRGB
:
168 result
|= R300_TX_FORMAT_GAMMA
;
173 /* Same as YUV but without the YUR->RGB conversion. */
174 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
175 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
176 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
177 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
183 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */
184 if (format
!= PIPE_FORMAT_RGTC1_SNORM
&&
185 format
!= PIPE_FORMAT_LATC1_SNORM
) {
186 if (util_format_is_compressed(format
) &&
188 format
!= PIPE_FORMAT_RGTC2_UNORM
&&
189 format
!= PIPE_FORMAT_RGTC2_SNORM
&&
190 format
!= PIPE_FORMAT_LATC2_UNORM
&&
191 format
!= PIPE_FORMAT_LATC2_SNORM
) {
192 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
195 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
201 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
202 if (!util_format_s3tc_enabled
) {
203 return ~0; /* Unsupported. */
207 case PIPE_FORMAT_DXT1_RGB
:
208 case PIPE_FORMAT_DXT1_RGBA
:
209 case PIPE_FORMAT_DXT1_SRGB
:
210 case PIPE_FORMAT_DXT1_SRGBA
:
211 return R300_TX_FORMAT_DXT1
| result
;
212 case PIPE_FORMAT_DXT3_RGBA
:
213 case PIPE_FORMAT_DXT3_SRGBA
:
214 return R300_TX_FORMAT_DXT3
| result
;
215 case PIPE_FORMAT_DXT5_RGBA
:
216 case PIPE_FORMAT_DXT5_SRGBA
:
217 return R300_TX_FORMAT_DXT5
| result
;
219 return ~0; /* Unsupported/unknown. */
224 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
226 case PIPE_FORMAT_RGTC1_SNORM
:
227 case PIPE_FORMAT_LATC1_SNORM
:
228 case PIPE_FORMAT_LATC1_UNORM
:
229 case PIPE_FORMAT_RGTC1_UNORM
:
230 return R500_TX_FORMAT_ATI1N
| result
;
232 case PIPE_FORMAT_RGTC2_SNORM
:
233 case PIPE_FORMAT_LATC2_SNORM
:
234 result
|= sign_bit
[1] | sign_bit
[0];
235 case PIPE_FORMAT_RGTC2_UNORM
:
236 case PIPE_FORMAT_LATC2_UNORM
:
237 return R400_TX_FORMAT_ATI2N
| result
;
240 return ~0; /* Unsupported/unknown. */
244 /* This is truly a special format.
245 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
246 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
247 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
248 return R300_TX_FORMAT_CxV8U8
| result
;
252 for (i
= 0; i
< desc
->nr_channels
; i
++) {
253 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
254 result
|= sign_bit
[i
];
258 /* See whether the components are of the same size. */
259 for (i
= 1; i
< desc
->nr_channels
; i
++) {
260 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
263 /* Non-uniform formats. */
265 switch (desc
->nr_channels
) {
267 if (desc
->channel
[0].size
== 5 &&
268 desc
->channel
[1].size
== 6 &&
269 desc
->channel
[2].size
== 5) {
270 return R300_TX_FORMAT_Z5Y6X5
| result
;
272 if (desc
->channel
[0].size
== 5 &&
273 desc
->channel
[1].size
== 5 &&
274 desc
->channel
[2].size
== 6) {
275 return R300_TX_FORMAT_Z6Y5X5
| result
;
277 if (desc
->channel
[0].size
== 2 &&
278 desc
->channel
[1].size
== 3 &&
279 desc
->channel
[2].size
== 3) {
280 return R300_TX_FORMAT_Z3Y3X2
| result
;
282 return ~0; /* Unsupported/unknown. */
285 if (desc
->channel
[0].size
== 5 &&
286 desc
->channel
[1].size
== 5 &&
287 desc
->channel
[2].size
== 5 &&
288 desc
->channel
[3].size
== 1) {
289 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
291 if (desc
->channel
[0].size
== 10 &&
292 desc
->channel
[1].size
== 10 &&
293 desc
->channel
[2].size
== 10 &&
294 desc
->channel
[3].size
== 2) {
295 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
298 return ~0; /* Unsupported/unknown. */
301 /* Find the first non-VOID channel. */
302 for (i
= 0; i
< 4; i
++) {
303 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
309 return ~0; /* Unsupported/unknown. */
311 /* And finally, uniform formats. */
312 switch (desc
->channel
[i
].type
) {
313 case UTIL_FORMAT_TYPE_UNSIGNED
:
314 case UTIL_FORMAT_TYPE_SIGNED
:
315 if (!desc
->channel
[i
].normalized
&&
316 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
320 switch (desc
->channel
[i
].size
) {
322 switch (desc
->nr_channels
) {
324 return R300_TX_FORMAT_Y4X4
| result
;
326 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
331 switch (desc
->nr_channels
) {
333 return R300_TX_FORMAT_X8
| result
;
335 return R300_TX_FORMAT_Y8X8
| result
;
337 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
342 switch (desc
->nr_channels
) {
344 return R300_TX_FORMAT_X16
| result
;
346 return R300_TX_FORMAT_Y16X16
| result
;
348 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
353 case UTIL_FORMAT_TYPE_FLOAT
:
354 switch (desc
->channel
[i
].size
) {
356 switch (desc
->nr_channels
) {
358 return R300_TX_FORMAT_16F
| result
;
360 return R300_TX_FORMAT_16F_16F
| result
;
362 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
367 switch (desc
->nr_channels
) {
369 return R300_TX_FORMAT_32F
| result
;
371 return R300_TX_FORMAT_32F_32F
| result
;
373 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
378 return ~0; /* Unsupported/unknown. */
381 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
384 case PIPE_FORMAT_RGTC1_UNORM
:
385 case PIPE_FORMAT_RGTC1_SNORM
:
386 case PIPE_FORMAT_LATC1_UNORM
:
387 case PIPE_FORMAT_LATC1_SNORM
:
388 case PIPE_FORMAT_X8Z24_UNORM
:
389 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
390 return R500_TXFORMAT_MSB
;
396 /* Buffer formats. */
398 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
399 * output. For the swizzling of the targets, check the shader's format. */
400 static uint32_t r300_translate_colorformat(enum pipe_format format
)
404 case PIPE_FORMAT_A8_UNORM
:
405 case PIPE_FORMAT_A8_SNORM
:
406 case PIPE_FORMAT_I8_UNORM
:
407 case PIPE_FORMAT_I8_SNORM
:
408 case PIPE_FORMAT_L8_UNORM
:
409 case PIPE_FORMAT_L8_SNORM
:
410 case PIPE_FORMAT_R8_UNORM
:
411 case PIPE_FORMAT_R8_SNORM
:
412 return R300_COLOR_FORMAT_I8
;
414 /* 16-bit buffers. */
415 case PIPE_FORMAT_L8A8_UNORM
:
416 case PIPE_FORMAT_L8A8_SNORM
:
417 case PIPE_FORMAT_R8G8_UNORM
:
418 case PIPE_FORMAT_R8G8_SNORM
:
419 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */
420 case PIPE_FORMAT_A16_UNORM
:
421 case PIPE_FORMAT_A16_SNORM
:
422 case PIPE_FORMAT_A16_FLOAT
:
423 case PIPE_FORMAT_L16_UNORM
:
424 case PIPE_FORMAT_L16_SNORM
:
425 case PIPE_FORMAT_L16_FLOAT
:
426 case PIPE_FORMAT_I16_UNORM
:
427 case PIPE_FORMAT_I16_SNORM
:
428 case PIPE_FORMAT_I16_FLOAT
:
429 case PIPE_FORMAT_R16_UNORM
:
430 case PIPE_FORMAT_R16_SNORM
:
431 case PIPE_FORMAT_R16_FLOAT
:
432 return R300_COLOR_FORMAT_UV88
;
434 case PIPE_FORMAT_B5G6R5_UNORM
:
435 return R300_COLOR_FORMAT_RGB565
;
437 case PIPE_FORMAT_B5G5R5A1_UNORM
:
438 case PIPE_FORMAT_B5G5R5X1_UNORM
:
439 return R300_COLOR_FORMAT_ARGB1555
;
441 case PIPE_FORMAT_B4G4R4A4_UNORM
:
442 case PIPE_FORMAT_B4G4R4X4_UNORM
:
443 return R300_COLOR_FORMAT_ARGB4444
;
445 /* 32-bit buffers. */
446 case PIPE_FORMAT_B8G8R8A8_UNORM
:
447 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
448 case PIPE_FORMAT_B8G8R8X8_UNORM
:
449 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
450 case PIPE_FORMAT_R8G8B8A8_UNORM
:
451 case PIPE_FORMAT_R8G8B8A8_SNORM
:
452 case PIPE_FORMAT_R8G8B8X8_UNORM
:
453 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
454 /* These formats work fine with ARGB8888 if US_OUT_FMT is set
456 case PIPE_FORMAT_R16G16_UNORM
:
457 case PIPE_FORMAT_R16G16_SNORM
:
458 case PIPE_FORMAT_R16G16_FLOAT
:
459 case PIPE_FORMAT_L16A16_UNORM
:
460 case PIPE_FORMAT_L16A16_SNORM
:
461 case PIPE_FORMAT_L16A16_FLOAT
:
462 case PIPE_FORMAT_A32_FLOAT
:
463 case PIPE_FORMAT_L32_FLOAT
:
464 case PIPE_FORMAT_I32_FLOAT
:
465 case PIPE_FORMAT_R32_FLOAT
:
466 return R300_COLOR_FORMAT_ARGB8888
;
468 case PIPE_FORMAT_R10G10B10A2_UNORM
:
469 case PIPE_FORMAT_R10G10B10X2_SNORM
:
470 case PIPE_FORMAT_B10G10R10A2_UNORM
:
471 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
473 /* 64-bit buffers. */
474 case PIPE_FORMAT_R16G16B16A16_UNORM
:
475 case PIPE_FORMAT_R16G16B16A16_SNORM
:
476 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
477 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set
479 case PIPE_FORMAT_R32G32_FLOAT
:
480 case PIPE_FORMAT_L32A32_FLOAT
:
481 return R300_COLOR_FORMAT_ARGB16161616
;
483 /* 128-bit buffers. */
484 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
485 return R300_COLOR_FORMAT_ARGB32323232
;
488 case PIPE_FORMAT_UYVY
:
489 return R300_COLOR_FORMAT_YVYU
;
490 case PIPE_FORMAT_YUYV
:
491 return R300_COLOR_FORMAT_VYUY
;
493 return ~0; /* Unsupported. */
497 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
498 static uint32_t r300_translate_zsformat(enum pipe_format format
)
501 /* 16-bit depth, no stencil */
502 case PIPE_FORMAT_Z16_UNORM
:
503 return R300_DEPTHFORMAT_16BIT_INT_Z
;
504 /* 24-bit depth, ignored stencil */
505 case PIPE_FORMAT_X8Z24_UNORM
:
506 /* 24-bit depth, 8-bit stencil */
507 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
508 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
510 return ~0; /* Unsupported. */
514 /* Shader output formats. This is essentially the swizzle from the shader
517 * Note that formats are stored from C3 to C0. */
518 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
520 uint32_t modifier
= 0;
522 const struct util_format_description
*desc
;
523 boolean uniform_sign
;
525 desc
= util_format_description(format
);
527 /* Find the first non-VOID channel. */
528 for (i
= 0; i
< 4; i
++) {
529 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
535 return ~0; /* Unsupported/unknown. */
537 /* Specifies how the shader output is written to the fog unit. */
538 switch (desc
->channel
[i
].type
) {
539 case UTIL_FORMAT_TYPE_FLOAT
:
540 switch (desc
->channel
[i
].size
) {
542 switch (desc
->nr_channels
) {
544 modifier
|= R300_US_OUT_FMT_C_32_FP
;
547 modifier
|= R300_US_OUT_FMT_C2_32_FP
;
550 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
556 switch (desc
->nr_channels
) {
558 modifier
|= R300_US_OUT_FMT_C_16_FP
;
561 modifier
|= R300_US_OUT_FMT_C2_16_FP
;
564 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
572 switch (desc
->channel
[i
].size
) {
574 switch (desc
->nr_channels
) {
576 modifier
|= R300_US_OUT_FMT_C_16
;
579 modifier
|= R300_US_OUT_FMT_C2_16
;
582 modifier
|= R300_US_OUT_FMT_C4_16
;
588 modifier
|= R300_US_OUT_FMT_C4_10
;
592 /* C4_8 seems to be used for the formats whose pixel size
594 modifier
|= R300_US_OUT_FMT_C4_8
;
601 for (i
= 0; i
< desc
->nr_channels
; i
++)
602 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_SIGNED
)
603 uniform_sign
= FALSE
;
606 modifier
|= R300_OUT_SIGN(0xf);
608 /* Add swizzles and return. */
610 /*** Special cases (non-standard channel mapping) ***/
613 * COLORFORMAT_I8 stores the Z component (C2). */
614 case PIPE_FORMAT_A8_UNORM
:
615 case PIPE_FORMAT_A8_SNORM
:
616 return modifier
| R300_C2_SEL_A
;
617 case PIPE_FORMAT_I8_UNORM
:
618 case PIPE_FORMAT_I8_SNORM
:
619 case PIPE_FORMAT_L8_UNORM
:
620 case PIPE_FORMAT_L8_SNORM
:
621 case PIPE_FORMAT_R8_UNORM
:
622 case PIPE_FORMAT_R8_SNORM
:
623 return modifier
| R300_C2_SEL_R
;
626 * COLORFORMAT_UV88 stores ZX (C2 and C0). */
627 case PIPE_FORMAT_L8A8_SNORM
:
628 case PIPE_FORMAT_L8A8_UNORM
:
629 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
630 case PIPE_FORMAT_R8G8_SNORM
:
631 case PIPE_FORMAT_R8G8_UNORM
:
632 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
635 * ARGB16161616 stores XZ for RG32F */
636 case PIPE_FORMAT_R32G32_FLOAT
:
637 return modifier
| R300_C0_SEL_R
| R300_C2_SEL_G
;
639 /*** Generic cases (standard channel mapping) ***/
642 case PIPE_FORMAT_B5G6R5_UNORM
:
643 case PIPE_FORMAT_B5G5R5A1_UNORM
:
644 case PIPE_FORMAT_B5G5R5X1_UNORM
:
645 case PIPE_FORMAT_B4G4R4A4_UNORM
:
646 case PIPE_FORMAT_B4G4R4X4_UNORM
:
647 case PIPE_FORMAT_B8G8R8A8_UNORM
:
648 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
649 case PIPE_FORMAT_B8G8R8X8_UNORM
:
650 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
651 case PIPE_FORMAT_B10G10R10A2_UNORM
:
653 R300_C0_SEL_B
| R300_C1_SEL_G
|
654 R300_C2_SEL_R
| R300_C3_SEL_A
;
657 case PIPE_FORMAT_A16_UNORM
:
658 case PIPE_FORMAT_A16_SNORM
:
659 case PIPE_FORMAT_A16_FLOAT
:
660 case PIPE_FORMAT_A32_FLOAT
:
662 R300_C0_SEL_A
| R300_C1_SEL_R
|
663 R300_C2_SEL_G
| R300_C3_SEL_B
;
666 case PIPE_FORMAT_R8G8B8X8_UNORM
:
667 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
668 case PIPE_FORMAT_R8G8B8A8_UNORM
:
669 case PIPE_FORMAT_R8G8B8A8_SNORM
:
670 case PIPE_FORMAT_R10G10B10A2_UNORM
:
671 case PIPE_FORMAT_R10G10B10X2_SNORM
:
672 case PIPE_FORMAT_R16_UNORM
:
673 case PIPE_FORMAT_R16G16_UNORM
:
674 case PIPE_FORMAT_R16G16B16A16_UNORM
:
675 case PIPE_FORMAT_R16_SNORM
:
676 case PIPE_FORMAT_R16G16_SNORM
:
677 case PIPE_FORMAT_R16G16B16A16_SNORM
:
678 case PIPE_FORMAT_R16_FLOAT
:
679 case PIPE_FORMAT_R16G16_FLOAT
:
680 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
681 case PIPE_FORMAT_R32_FLOAT
:
682 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
683 case PIPE_FORMAT_L16_UNORM
:
684 case PIPE_FORMAT_L16_SNORM
:
685 case PIPE_FORMAT_L16_FLOAT
:
686 case PIPE_FORMAT_L32_FLOAT
:
687 case PIPE_FORMAT_I16_UNORM
:
688 case PIPE_FORMAT_I16_SNORM
:
689 case PIPE_FORMAT_I16_FLOAT
:
690 case PIPE_FORMAT_I32_FLOAT
:
692 R300_C0_SEL_R
| R300_C1_SEL_G
|
693 R300_C2_SEL_B
| R300_C3_SEL_A
;
696 case PIPE_FORMAT_L16A16_UNORM
:
697 case PIPE_FORMAT_L16A16_SNORM
:
698 case PIPE_FORMAT_L16A16_FLOAT
:
699 case PIPE_FORMAT_L32A32_FLOAT
:
701 R300_C0_SEL_R
| R300_C1_SEL_A
;
704 return ~0; /* Unsupported. */
708 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
710 return r300_translate_colorformat(format
) != ~0 &&
711 r300_translate_out_fmt(format
) != ~0;
714 boolean
r300_is_zs_format_supported(enum pipe_format format
)
716 return r300_translate_zsformat(format
) != ~0;
719 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
721 return r300_translate_texformat(format
, 0, TRUE
, FALSE
) != ~0;
724 void r300_texture_setup_format_state(struct r300_screen
*screen
,
725 struct r300_resource
*tex
,
727 struct r300_texture_format_state
*out
)
729 struct pipe_resource
*pt
= &tex
->b
.b
.b
;
730 struct r300_texture_desc
*desc
= &tex
->tex
;
731 boolean is_r500
= screen
->caps
.is_r500
;
732 unsigned width
, height
, depth
;
733 unsigned txwidth
, txheight
, txdepth
;
735 width
= u_minify(desc
->width0
, level
);
736 height
= u_minify(desc
->height0
, level
);
737 depth
= u_minify(desc
->depth0
, level
);
739 txwidth
= (width
- 1) & 0x7ff;
740 txheight
= (height
- 1) & 0x7ff;
741 txdepth
= util_logbase2(depth
) & 0xf;
743 /* Mask out all the fields we change. */
745 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
746 out
->format2
&= R500_TXFORMAT_MSB
;
747 out
->tile_config
= 0;
749 /* Set sampler state. */
751 R300_TX_WIDTH(txwidth
) |
752 R300_TX_HEIGHT(txheight
) |
753 R300_TX_DEPTH(txdepth
);
755 if (desc
->uses_stride_addressing
) {
756 /* rectangles love this */
757 out
->format0
|= R300_TX_PITCH_EN
;
758 out
->format2
= (desc
->stride_in_pixels
[level
] - 1) & 0x1fff;
761 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
762 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
764 if (pt
->target
== PIPE_TEXTURE_3D
) {
765 out
->format1
|= R300_TX_FORMAT_3D
;
768 /* large textures on r500 */
771 unsigned us_width
= txwidth
;
772 unsigned us_height
= txheight
;
773 unsigned us_depth
= txdepth
;
776 out
->format2
|= R500_TXWIDTH_BIT11
;
779 out
->format2
|= R500_TXHEIGHT_BIT11
;
782 /* The US_FORMAT register fixes an R500 TX addressing bug.
783 * Don't ask why it must be set like this. I don't know it either. */
785 us_width
= (0x000007FF + us_width
) >> 1;
786 us_depth
|= 0x0000000D;
789 us_height
= (0x000007FF + us_height
) >> 1;
790 us_depth
|= 0x0000000E;
794 R300_TX_WIDTH(us_width
) |
795 R300_TX_HEIGHT(us_height
) |
796 R300_TX_DEPTH(us_depth
);
799 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
800 R300_TXO_MICRO_TILE(desc
->microtile
);
803 static void r300_texture_setup_fb_state(struct r300_surface
*surf
)
805 struct r300_resource
*tex
= r300_resource(surf
->base
.texture
);
806 unsigned level
= surf
->base
.u
.tex
.level
;
808 /* Set framebuffer state. */
809 if (util_format_is_depth_or_stencil(surf
->base
.format
)) {
811 tex
->tex
.stride_in_pixels
[level
] |
812 R300_DEPTHMACROTILE(tex
->tex
.macrotile
[level
]) |
813 R300_DEPTHMICROTILE(tex
->tex
.microtile
);
814 surf
->format
= r300_translate_zsformat(surf
->base
.format
);
815 surf
->pitch_zmask
= tex
->tex
.zmask_stride_in_pixels
[level
];
816 surf
->pitch_hiz
= tex
->tex
.hiz_stride_in_pixels
[level
];
819 tex
->tex
.stride_in_pixels
[level
] |
820 r300_translate_colorformat(surf
->base
.format
) |
821 R300_COLOR_TILE(tex
->tex
.macrotile
[level
]) |
822 R300_COLOR_MICROTILE(tex
->tex
.microtile
);
823 surf
->format
= r300_translate_out_fmt(surf
->base
.format
);
827 boolean
r300_resource_set_properties(struct pipe_screen
*screen
,
828 struct pipe_resource
*tex
,
830 const struct pipe_resource
*new_properties
)
832 struct r300_screen
*rscreen
= r300_screen(screen
);
833 struct r300_resource
*res
= r300_resource(tex
);
835 SCREEN_DBG(rscreen
, DBG_TEX
,
836 "r300: texture_set_properties: %s -> %s\n",
837 util_format_short_name(tex
->format
),
838 util_format_short_name(new_properties
->format
));
840 if (!r300_texture_desc_init(rscreen
, res
, new_properties
)) {
841 fprintf(stderr
, "r300: ERROR: Cannot set texture properties.\n");
844 res
->tex_offset
= offset
;
845 r300_texture_setup_format_state(rscreen
, res
, 0, &res
->tx_format
);
850 static void r300_texture_destroy(struct pipe_screen
*screen
,
851 struct pipe_resource
* texture
)
853 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
855 pb_reference(&tex
->buf
, NULL
);
859 boolean
r300_resource_get_handle(struct pipe_screen
* screen
,
860 struct pipe_resource
*texture
,
861 struct winsys_handle
*whandle
)
863 struct radeon_winsys
*rws
= (struct radeon_winsys
*)screen
->winsys
;
864 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
870 return rws
->buffer_get_handle(tex
->buf
,
871 tex
->tex
.stride_in_bytes
[0], whandle
);
874 static const struct u_resource_vtbl r300_texture_vtbl
=
876 NULL
, /* get_handle */
877 r300_texture_destroy
, /* resource_destroy */
878 r300_texture_get_transfer
, /* get_transfer */
879 r300_texture_transfer_destroy
, /* transfer_destroy */
880 r300_texture_transfer_map
, /* transfer_map */
881 NULL
, /* transfer_flush_region */
882 r300_texture_transfer_unmap
, /* transfer_unmap */
883 u_default_transfer_inline_write
/* transfer_inline_write */
886 /* The common texture constructor. */
887 static struct r300_resource
*
888 r300_texture_create_object(struct r300_screen
*rscreen
,
889 const struct pipe_resource
*base
,
890 enum radeon_bo_layout microtile
,
891 enum radeon_bo_layout macrotile
,
892 unsigned stride_in_bytes_override
,
893 unsigned max_buffer_size
,
894 struct pb_buffer
*buffer
)
896 struct radeon_winsys
*rws
= rscreen
->rws
;
897 struct r300_resource
*tex
= CALLOC_STRUCT(r300_resource
);
900 pb_reference(&buffer
, NULL
);
904 pipe_reference_init(&tex
->b
.b
.b
.reference
, 1);
905 tex
->b
.b
.b
.screen
= &rscreen
->screen
;
906 tex
->b
.b
.b
.usage
= base
->usage
;
907 tex
->b
.b
.b
.bind
= base
->bind
;
908 tex
->b
.b
.b
.flags
= base
->flags
;
909 tex
->b
.b
.vtbl
= &r300_texture_vtbl
;
910 tex
->tex
.microtile
= microtile
;
911 tex
->tex
.macrotile
[0] = macrotile
;
912 tex
->tex
.stride_in_bytes_override
= stride_in_bytes_override
;
913 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
?
915 RADEON_DOMAIN_VRAM
| RADEON_DOMAIN_GTT
;
916 tex
->buf_size
= max_buffer_size
;
918 if (!r300_resource_set_properties(&rscreen
->screen
, &tex
->b
.b
.b
, 0, base
)) {
920 pb_reference(&buffer
, NULL
);
925 /* Create the backing buffer if needed. */
927 tex
->buf_size
= tex
->tex
.size_in_bytes
;
928 tex
->buf
= rws
->buffer_create(rws
, tex
->tex
.size_in_bytes
, 2048,
929 base
->bind
, base
->usage
, tex
->domain
);
939 tex
->cs_buf
= rws
->buffer_get_cs_handle(tex
->buf
);
941 rws
->buffer_set_tiling(tex
->buf
, NULL
,
942 tex
->tex
.microtile
, tex
->tex
.macrotile
[0],
943 tex
->tex
.stride_in_bytes
[0]);
948 /* Create a new texture. */
949 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
950 const struct pipe_resource
*base
)
952 struct r300_screen
*rscreen
= r300_screen(screen
);
953 enum radeon_bo_layout microtile
, macrotile
;
955 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
956 (base
->bind
& PIPE_BIND_SCANOUT
)) {
957 microtile
= RADEON_LAYOUT_LINEAR
;
958 macrotile
= RADEON_LAYOUT_LINEAR
;
960 /* This will make the texture_create_function select the layout. */
961 microtile
= RADEON_LAYOUT_UNKNOWN
;
962 macrotile
= RADEON_LAYOUT_UNKNOWN
;
965 return (struct pipe_resource
*)
966 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
970 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
971 const struct pipe_resource
*base
,
972 struct winsys_handle
*whandle
)
974 struct radeon_winsys
*rws
= (struct radeon_winsys
*)screen
->winsys
;
975 struct r300_screen
*rscreen
= r300_screen(screen
);
976 struct pb_buffer
*buffer
;
977 enum radeon_bo_layout microtile
, macrotile
;
978 unsigned stride
, size
;
980 /* Support only 2D textures without mipmaps */
981 if ((base
->target
!= PIPE_TEXTURE_2D
&&
982 base
->target
!= PIPE_TEXTURE_RECT
) ||
984 base
->last_level
!= 0) {
988 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
, &size
);
992 rws
->buffer_get_tiling(buffer
, µtile
, ¯otile
);
994 /* Enforce a microtiled zbuffer. */
995 if (util_format_is_depth_or_stencil(base
->format
) &&
996 microtile
== RADEON_LAYOUT_LINEAR
) {
997 switch (util_format_get_blocksize(base
->format
)) {
999 microtile
= RADEON_LAYOUT_TILED
;
1003 microtile
= RADEON_LAYOUT_SQUARETILED
;
1008 return (struct pipe_resource
*)
1009 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
1010 stride
, size
, buffer
);
1013 /* Not required to implement u_resource_vtbl, consider moving to another file:
1015 struct pipe_surface
* r300_create_surface(struct pipe_context
* ctx
,
1016 struct pipe_resource
* texture
,
1017 const struct pipe_surface
*surf_tmpl
)
1019 struct r300_resource
* tex
= r300_resource(texture
);
1020 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
1021 unsigned level
= surf_tmpl
->u
.tex
.level
;
1023 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
1026 uint32_t offset
, tile_height
;
1028 pipe_reference_init(&surface
->base
.reference
, 1);
1029 pipe_resource_reference(&surface
->base
.texture
, texture
);
1030 surface
->base
.context
= ctx
;
1031 surface
->base
.format
= surf_tmpl
->format
;
1032 surface
->base
.width
= u_minify(texture
->width0
, level
);
1033 surface
->base
.height
= u_minify(texture
->height0
, level
);
1034 surface
->base
.usage
= surf_tmpl
->usage
;
1035 surface
->base
.u
.tex
.level
= level
;
1036 surface
->base
.u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
1037 surface
->base
.u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
1039 surface
->buf
= tex
->buf
;
1040 surface
->cs_buf
= tex
->cs_buf
;
1042 /* Prefer VRAM if there are multiple domains to choose from. */
1043 surface
->domain
= tex
->domain
;
1044 if (surface
->domain
& RADEON_DOMAIN_VRAM
)
1045 surface
->domain
&= ~RADEON_DOMAIN_GTT
;
1047 surface
->offset
= r300_texture_get_offset(tex
, level
,
1048 surf_tmpl
->u
.tex
.first_layer
);
1049 r300_texture_setup_fb_state(surface
);
1051 /* Parameters for the CBZB clear. */
1052 surface
->cbzb_allowed
= tex
->tex
.cbzb_allowed
[level
];
1053 surface
->cbzb_width
= align(surface
->base
.width
, 64);
1055 /* Height must be aligned to the size of a tile. */
1056 tile_height
= r300_get_pixel_alignment(tex
->b
.b
.b
.format
,
1057 tex
->b
.b
.b
.nr_samples
,
1059 tex
->tex
.macrotile
[level
],
1062 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
1065 /* Offset must be aligned to 2K and must point at the beginning
1067 offset
= surface
->offset
+
1068 tex
->tex
.stride_in_bytes
[level
] * surface
->cbzb_height
;
1069 surface
->cbzb_midpoint_offset
= offset
& ~2047;
1071 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
1073 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
1074 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
1076 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
1078 DBG(r300_context(ctx
), DBG_CBZB
,
1079 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
1080 surface
->cbzb_allowed
? "YES" : " NO",
1081 surface
->cbzb_width
, surface
->cbzb_height
,
1083 tex
->tex
.microtile
? "YES" : " NO",
1084 tex
->tex
.macrotile
[level
] ? "YES" : " NO");
1087 return &surface
->base
;
1090 /* Not required to implement u_resource_vtbl, consider moving to another file:
1092 void r300_surface_destroy(struct pipe_context
*ctx
, struct pipe_surface
* s
)
1094 pipe_resource_reference(&s
->texture
, NULL
);