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"
32 #include "r300_winsys.h"
34 #include "util/u_format.h"
35 #include "util/u_format_s3tc.h"
36 #include "util/u_math.h"
37 #include "util/u_memory.h"
38 #include "util/u_mm.h"
40 #include "pipe/p_screen.h"
42 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
43 const unsigned char *swizzle_view
,
47 unsigned char swizzle
[4];
49 const uint32_t swizzle_shift
[4] = {
50 R300_TX_FORMAT_R_SHIFT
,
51 R300_TX_FORMAT_G_SHIFT
,
52 R300_TX_FORMAT_B_SHIFT
,
53 R300_TX_FORMAT_A_SHIFT
55 uint32_t swizzle_bit
[4] = {
56 dxtc_swizzle
? R300_TX_FORMAT_Z
: R300_TX_FORMAT_X
,
58 dxtc_swizzle
? R300_TX_FORMAT_X
: R300_TX_FORMAT_Z
,
63 /* Combine two sets of swizzles. */
64 for (i
= 0; i
< 4; i
++) {
65 swizzle
[i
] = swizzle_view
[i
] <= UTIL_FORMAT_SWIZZLE_W
?
66 swizzle_format
[swizzle_view
[i
]] : swizzle_view
[i
];
69 memcpy(swizzle
, swizzle_format
, 4);
73 for (i
= 0; i
< 4; i
++) {
75 case UTIL_FORMAT_SWIZZLE_Y
:
76 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
78 case UTIL_FORMAT_SWIZZLE_Z
:
79 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
81 case UTIL_FORMAT_SWIZZLE_W
:
82 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
84 case UTIL_FORMAT_SWIZZLE_0
:
85 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
87 case UTIL_FORMAT_SWIZZLE_1
:
88 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
90 default: /* UTIL_FORMAT_SWIZZLE_X */
91 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
97 /* Translate a pipe_format into a useful texture format for sampling.
99 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
100 * but the majority of them is translated in a generic way, automatically
101 * supporting all the formats hw can support.
103 * R300_EASY_TX_FORMAT swizzles the texture.
104 * Note the signature of R300_EASY_TX_FORMAT:
105 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
107 * The FORMAT specifies how the texture sampler will treat the texture, and
108 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
109 uint32_t r300_translate_texformat(enum pipe_format format
,
110 const unsigned char *swizzle_view
,
112 boolean dxtc_swizzle
)
115 const struct util_format_description
*desc
;
117 boolean uniform
= TRUE
;
118 const uint32_t sign_bit
[4] = {
119 R300_TX_FORMAT_SIGNED_X
,
120 R300_TX_FORMAT_SIGNED_Y
,
121 R300_TX_FORMAT_SIGNED_Z
,
122 R300_TX_FORMAT_SIGNED_W
,
125 desc
= util_format_description(format
);
127 /* Colorspace (return non-RGB formats directly). */
128 switch (desc
->colorspace
) {
129 /* Depth stencil formats.
130 * Swizzles are added in r300_merge_textures_and_samplers. */
131 case UTIL_FORMAT_COLORSPACE_ZS
:
133 case PIPE_FORMAT_Z16_UNORM
:
134 return R300_TX_FORMAT_X16
;
135 case PIPE_FORMAT_X8Z24_UNORM
:
136 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
138 return R500_TX_FORMAT_Y8X24
;
140 return R300_TX_FORMAT_Y16X16
;
142 return ~0; /* Unsupported. */
146 case UTIL_FORMAT_COLORSPACE_YUV
:
147 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
150 case PIPE_FORMAT_UYVY
:
151 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
152 case PIPE_FORMAT_YUYV
:
153 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
155 return ~0; /* Unsupported/unknown. */
158 /* Add gamma correction. */
159 case UTIL_FORMAT_COLORSPACE_SRGB
:
160 result
|= R300_TX_FORMAT_GAMMA
;
165 /* Same as YUV but without the YUR->RGB conversion. */
166 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
167 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
168 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
169 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
174 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
,
175 util_format_is_compressed(format
) && dxtc_swizzle
);
178 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
179 if (!util_format_s3tc_enabled
) {
180 return ~0; /* Unsupported. */
184 case PIPE_FORMAT_DXT1_RGB
:
185 case PIPE_FORMAT_DXT1_RGBA
:
186 case PIPE_FORMAT_DXT1_SRGB
:
187 case PIPE_FORMAT_DXT1_SRGBA
:
188 return R300_TX_FORMAT_DXT1
| result
;
189 case PIPE_FORMAT_DXT3_RGBA
:
190 case PIPE_FORMAT_DXT3_SRGBA
:
191 return R300_TX_FORMAT_DXT3
| result
;
192 case PIPE_FORMAT_DXT5_RGBA
:
193 case PIPE_FORMAT_DXT5_SRGBA
:
194 return R300_TX_FORMAT_DXT5
| result
;
196 return ~0; /* Unsupported/unknown. */
201 for (i
= 0; i
< desc
->nr_channels
; i
++) {
202 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
203 result
|= sign_bit
[i
];
207 /* This is truly a special format.
208 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
209 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
210 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
211 return R300_TX_FORMAT_CxV8U8
| result
;
215 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
217 case PIPE_FORMAT_RGTC1_UNORM
:
218 case PIPE_FORMAT_RGTC1_SNORM
:
219 return R500_TX_FORMAT_ATI1N
| result
;
220 case PIPE_FORMAT_RGTC2_UNORM
:
221 case PIPE_FORMAT_RGTC2_SNORM
:
222 return R400_TX_FORMAT_ATI2N
| result
;
224 return ~0; /* Unsupported/unknown. */
228 /* See whether the components are of the same size. */
229 for (i
= 1; i
< desc
->nr_channels
; i
++) {
230 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
233 /* Non-uniform formats. */
235 switch (desc
->nr_channels
) {
237 if (desc
->channel
[0].size
== 5 &&
238 desc
->channel
[1].size
== 6 &&
239 desc
->channel
[2].size
== 5) {
240 return R300_TX_FORMAT_Z5Y6X5
| result
;
242 if (desc
->channel
[0].size
== 5 &&
243 desc
->channel
[1].size
== 5 &&
244 desc
->channel
[2].size
== 6) {
245 return R300_TX_FORMAT_Z6Y5X5
| result
;
247 if (desc
->channel
[0].size
== 2 &&
248 desc
->channel
[1].size
== 3 &&
249 desc
->channel
[2].size
== 3) {
250 return R300_TX_FORMAT_Z3Y3X2
| result
;
252 return ~0; /* Unsupported/unknown. */
255 if (desc
->channel
[0].size
== 5 &&
256 desc
->channel
[1].size
== 5 &&
257 desc
->channel
[2].size
== 5 &&
258 desc
->channel
[3].size
== 1) {
259 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
261 if (desc
->channel
[0].size
== 10 &&
262 desc
->channel
[1].size
== 10 &&
263 desc
->channel
[2].size
== 10 &&
264 desc
->channel
[3].size
== 2) {
265 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
268 return ~0; /* Unsupported/unknown. */
271 /* Find the first non-VOID channel. */
272 for (i
= 0; i
< 4; i
++) {
273 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
279 return ~0; /* Unsupported/unknown. */
281 /* And finally, uniform formats. */
282 switch (desc
->channel
[i
].type
) {
283 case UTIL_FORMAT_TYPE_UNSIGNED
:
284 case UTIL_FORMAT_TYPE_SIGNED
:
285 if (!desc
->channel
[i
].normalized
&&
286 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
290 switch (desc
->channel
[i
].size
) {
292 switch (desc
->nr_channels
) {
294 return R300_TX_FORMAT_Y4X4
| result
;
296 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
301 switch (desc
->nr_channels
) {
303 return R300_TX_FORMAT_X8
| result
;
305 return R300_TX_FORMAT_Y8X8
| result
;
307 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
312 switch (desc
->nr_channels
) {
314 return R300_TX_FORMAT_X16
| result
;
316 return R300_TX_FORMAT_Y16X16
| result
;
318 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
323 case UTIL_FORMAT_TYPE_FLOAT
:
324 switch (desc
->channel
[i
].size
) {
326 switch (desc
->nr_channels
) {
328 return R300_TX_FORMAT_16F
| result
;
330 return R300_TX_FORMAT_16F_16F
| result
;
332 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
337 switch (desc
->nr_channels
) {
339 return R300_TX_FORMAT_32F
| result
;
341 return R300_TX_FORMAT_32F_32F
| result
;
343 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
348 return ~0; /* Unsupported/unknown. */
351 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
354 case PIPE_FORMAT_RGTC1_UNORM
:
355 case PIPE_FORMAT_RGTC1_SNORM
:
356 case PIPE_FORMAT_X8Z24_UNORM
:
357 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
358 return R500_TXFORMAT_MSB
;
364 /* Buffer formats. */
366 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
367 * output. For the swizzling of the targets, check the shader's format. */
368 static uint32_t r300_translate_colorformat(enum pipe_format format
)
372 case PIPE_FORMAT_A8_UNORM
:
373 /*case PIPE_FORMAT_A8_SNORM:*/
374 case PIPE_FORMAT_I8_UNORM
:
375 /*case PIPE_FORMAT_I8_SNORM:*/
376 case PIPE_FORMAT_L8_UNORM
:
377 /*case PIPE_FORMAT_L8_SNORM:*/
378 case PIPE_FORMAT_L8_SRGB
:
379 case PIPE_FORMAT_R8_UNORM
:
380 case PIPE_FORMAT_R8_SNORM
:
381 return R300_COLOR_FORMAT_I8
;
383 /* 16-bit buffers. */
384 case PIPE_FORMAT_L8A8_UNORM
:
385 /*case PIPE_FORMAT_L8A8_SNORM:*/
386 case PIPE_FORMAT_L8A8_SRGB
:
387 case PIPE_FORMAT_R8G8_UNORM
:
388 case PIPE_FORMAT_R8G8_SNORM
:
389 return R300_COLOR_FORMAT_UV88
;
391 case PIPE_FORMAT_B5G6R5_UNORM
:
392 return R300_COLOR_FORMAT_RGB565
;
394 case PIPE_FORMAT_B5G5R5A1_UNORM
:
395 case PIPE_FORMAT_B5G5R5X1_UNORM
:
396 return R300_COLOR_FORMAT_ARGB1555
;
398 case PIPE_FORMAT_B4G4R4A4_UNORM
:
399 case PIPE_FORMAT_B4G4R4X4_UNORM
:
400 return R300_COLOR_FORMAT_ARGB4444
;
402 /* 32-bit buffers. */
403 case PIPE_FORMAT_B8G8R8A8_UNORM
:
404 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
405 case PIPE_FORMAT_B8G8R8A8_SRGB
:
406 case PIPE_FORMAT_B8G8R8X8_UNORM
:
407 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
408 case PIPE_FORMAT_B8G8R8X8_SRGB
:
409 case PIPE_FORMAT_A8R8G8B8_UNORM
:
410 /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
411 case PIPE_FORMAT_A8R8G8B8_SRGB
:
412 case PIPE_FORMAT_X8R8G8B8_UNORM
:
413 /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
414 case PIPE_FORMAT_X8R8G8B8_SRGB
:
415 case PIPE_FORMAT_A8B8G8R8_UNORM
:
416 /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
417 case PIPE_FORMAT_A8B8G8R8_SRGB
:
418 case PIPE_FORMAT_R8G8B8A8_UNORM
:
419 case PIPE_FORMAT_R8G8B8A8_SNORM
:
420 case PIPE_FORMAT_R8G8B8A8_SRGB
:
421 case PIPE_FORMAT_X8B8G8R8_UNORM
:
422 /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
423 case PIPE_FORMAT_X8B8G8R8_SRGB
:
424 case PIPE_FORMAT_R8G8B8X8_UNORM
:
425 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
426 /*case PIPE_FORMAT_R8G8B8X8_SRGB:*/
427 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
428 return R300_COLOR_FORMAT_ARGB8888
;
430 case PIPE_FORMAT_R10G10B10A2_UNORM
:
431 case PIPE_FORMAT_R10G10B10X2_SNORM
:
432 case PIPE_FORMAT_B10G10R10A2_UNORM
:
433 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
434 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
436 /* 64-bit buffers. */
437 case PIPE_FORMAT_R16G16B16A16_UNORM
:
438 case PIPE_FORMAT_R16G16B16A16_SNORM
:
439 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
440 return R300_COLOR_FORMAT_ARGB16161616
;
442 /* 128-bit buffers. */
443 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
444 return R300_COLOR_FORMAT_ARGB32323232
;
447 case PIPE_FORMAT_UYVY
:
448 return R300_COLOR_FORMAT_YVYU
;
449 case PIPE_FORMAT_YUYV
:
450 return R300_COLOR_FORMAT_VYUY
;
452 return ~0; /* Unsupported. */
456 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
457 static uint32_t r300_translate_zsformat(enum pipe_format format
)
460 /* 16-bit depth, no stencil */
461 case PIPE_FORMAT_Z16_UNORM
:
462 return R300_DEPTHFORMAT_16BIT_INT_Z
;
463 /* 24-bit depth, ignored stencil */
464 case PIPE_FORMAT_X8Z24_UNORM
:
465 /* 24-bit depth, 8-bit stencil */
466 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
467 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
469 return ~0; /* Unsupported. */
473 /* Shader output formats. This is essentially the swizzle from the shader
476 * Note that formats are stored from C3 to C0. */
477 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
479 uint32_t modifier
= 0;
481 const struct util_format_description
*desc
;
482 static const uint32_t sign_bit
[4] = {
489 desc
= util_format_description(format
);
491 /* Find the first non-VOID channel. */
492 for (i
= 0; i
< 4; i
++) {
493 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
499 return ~0; /* Unsupported/unknown. */
501 /* Specifies how the shader output is written to the fog unit. */
502 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
) {
503 if (desc
->channel
[i
].size
== 32) {
504 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
506 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
509 if (desc
->channel
[i
].size
== 16) {
510 modifier
|= R300_US_OUT_FMT_C4_16
;
511 } else if (desc
->channel
[i
].size
== 10) {
512 modifier
|= R300_US_OUT_FMT_C4_10
;
514 /* C4_8 seems to be used for the formats whose pixel size
516 modifier
|= R300_US_OUT_FMT_C4_8
;
521 for (i
= 0; i
< 4; i
++)
522 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
523 modifier
|= sign_bit
[i
];
526 /* Add swizzles and return. */
528 /* 8-bit outputs, one channel.
529 * COLORFORMAT_I8 stores the C2 component. */
530 case PIPE_FORMAT_A8_UNORM
:
531 /*case PIPE_FORMAT_A8_SNORM:*/
532 return modifier
| R300_C2_SEL_A
;
533 case PIPE_FORMAT_I8_UNORM
:
534 /*case PIPE_FORMAT_I8_SNORM:*/
535 case PIPE_FORMAT_L8_UNORM
:
536 /*case PIPE_FORMAT_L8_SNORM:*/
537 case PIPE_FORMAT_L8_SRGB
:
538 case PIPE_FORMAT_R8_UNORM
:
539 case PIPE_FORMAT_R8_SNORM
:
540 return modifier
| R300_C2_SEL_R
;
542 /* 16-bit outputs, two channels.
543 * COLORFORMAT_UV88 stores C2 and C0. */
544 case PIPE_FORMAT_L8A8_UNORM
:
545 /*case PIPE_FORMAT_L8A8_SNORM:*/
546 case PIPE_FORMAT_L8A8_SRGB
:
547 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
548 case PIPE_FORMAT_R8G8_UNORM
:
549 case PIPE_FORMAT_R8G8_SNORM
:
550 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
553 case PIPE_FORMAT_B5G6R5_UNORM
:
554 case PIPE_FORMAT_B5G5R5A1_UNORM
:
555 case PIPE_FORMAT_B5G5R5X1_UNORM
:
556 case PIPE_FORMAT_B4G4R4A4_UNORM
:
557 case PIPE_FORMAT_B4G4R4X4_UNORM
:
558 case PIPE_FORMAT_B8G8R8A8_UNORM
:
559 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
560 case PIPE_FORMAT_B8G8R8A8_SRGB
:
561 case PIPE_FORMAT_B8G8R8X8_UNORM
:
562 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
563 case PIPE_FORMAT_B8G8R8X8_SRGB
:
564 case PIPE_FORMAT_B10G10R10A2_UNORM
:
566 R300_C0_SEL_B
| R300_C1_SEL_G
|
567 R300_C2_SEL_R
| R300_C3_SEL_A
;
570 case PIPE_FORMAT_A8R8G8B8_UNORM
:
571 /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
572 case PIPE_FORMAT_A8R8G8B8_SRGB
:
573 case PIPE_FORMAT_X8R8G8B8_UNORM
:
574 /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
575 case PIPE_FORMAT_X8R8G8B8_SRGB
:
577 R300_C0_SEL_A
| R300_C1_SEL_R
|
578 R300_C2_SEL_G
| R300_C3_SEL_B
;
581 case PIPE_FORMAT_A8B8G8R8_UNORM
:
582 /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
583 case PIPE_FORMAT_A8B8G8R8_SRGB
:
584 case PIPE_FORMAT_X8B8G8R8_UNORM
:
585 /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
586 case PIPE_FORMAT_X8B8G8R8_SRGB
:
588 R300_C0_SEL_A
| R300_C1_SEL_B
|
589 R300_C2_SEL_G
| R300_C3_SEL_R
;
592 case PIPE_FORMAT_R8G8B8X8_UNORM
:
593 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
594 /*case PIPE_FORMAT_R8G8B8X8_SRGB:*/
595 case PIPE_FORMAT_R8G8B8A8_UNORM
:
596 case PIPE_FORMAT_R8G8B8A8_SNORM
:
597 case PIPE_FORMAT_R8G8B8A8_SRGB
:
598 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
599 case PIPE_FORMAT_R10G10B10A2_UNORM
:
600 case PIPE_FORMAT_R10G10B10X2_SNORM
:
601 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
602 case PIPE_FORMAT_R16G16B16A16_UNORM
:
603 case PIPE_FORMAT_R16G16B16A16_SNORM
:
604 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
605 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
607 R300_C0_SEL_R
| R300_C1_SEL_G
|
608 R300_C2_SEL_B
| R300_C3_SEL_A
;
611 return ~0; /* Unsupported. */
615 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
617 return r300_translate_colorformat(format
) != ~0 &&
618 r300_translate_out_fmt(format
) != ~0;
621 boolean
r300_is_zs_format_supported(enum pipe_format format
)
623 return r300_translate_zsformat(format
) != ~0;
626 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
628 return r300_translate_texformat(format
, 0, TRUE
, FALSE
) != ~0;
631 void r300_texture_setup_format_state(struct r300_screen
*screen
,
632 struct r300_texture_desc
*desc
,
634 struct r300_texture_format_state
*out
)
636 struct pipe_resource
*pt
= &desc
->b
.b
;
637 boolean is_r500
= screen
->caps
.is_r500
;
639 /* Mask out all the fields we change. */
641 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
642 out
->format2
&= R500_TXFORMAT_MSB
;
643 out
->tile_config
= 0;
645 /* Set sampler state. */
647 R300_TX_WIDTH((u_minify(desc
->width0
, level
) - 1) & 0x7ff) |
648 R300_TX_HEIGHT((u_minify(desc
->height0
, level
) - 1) & 0x7ff) |
649 R300_TX_DEPTH(util_logbase2(u_minify(desc
->depth0
, level
)) & 0xf);
651 if (desc
->uses_stride_addressing
) {
652 /* rectangles love this */
653 out
->format0
|= R300_TX_PITCH_EN
;
654 out
->format2
= (desc
->stride_in_pixels
[level
] - 1) & 0x1fff;
657 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
658 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
660 if (pt
->target
== PIPE_TEXTURE_3D
) {
661 out
->format1
|= R300_TX_FORMAT_3D
;
664 /* large textures on r500 */
667 if (desc
->width0
> 2048) {
668 out
->format2
|= R500_TXWIDTH_BIT11
;
670 if (desc
->height0
> 2048) {
671 out
->format2
|= R500_TXHEIGHT_BIT11
;
675 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
676 R300_TXO_MICRO_TILE(desc
->microtile
);
679 static void r300_texture_setup_fb_state(struct r300_screen
* screen
,
680 struct r300_texture
* tex
)
684 /* Set framebuffer state. */
685 if (util_format_is_depth_or_stencil(tex
->desc
.b
.b
.format
)) {
686 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
687 tex
->fb_state
.pitch
[i
] =
688 tex
->desc
.stride_in_pixels
[i
] |
689 R300_DEPTHMACROTILE(tex
->desc
.macrotile
[i
]) |
690 R300_DEPTHMICROTILE(tex
->desc
.microtile
);
692 tex
->fb_state
.format
= r300_translate_zsformat(tex
->desc
.b
.b
.format
);
694 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
695 tex
->fb_state
.pitch
[i
] =
696 tex
->desc
.stride_in_pixels
[i
] |
697 r300_translate_colorformat(tex
->desc
.b
.b
.format
) |
698 R300_COLOR_TILE(tex
->desc
.macrotile
[i
]) |
699 R300_COLOR_MICROTILE(tex
->desc
.microtile
);
701 tex
->fb_state
.format
= r300_translate_out_fmt(tex
->desc
.b
.b
.format
);
705 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
706 struct pipe_resource
*tex
,
707 enum pipe_format new_format
)
709 struct r300_screen
*r300screen
= r300_screen(screen
);
711 SCREEN_DBG(r300screen
, DBG_TEX
,
712 "r300: texture_reinterpret_format: %s -> %s\n",
713 util_format_short_name(tex
->format
),
714 util_format_short_name(new_format
));
716 tex
->format
= new_format
;
718 r300_texture_setup_fb_state(r300_screen(screen
), r300_texture(tex
));
721 static unsigned r300_texture_is_referenced(struct pipe_context
*context
,
722 struct pipe_resource
*texture
,
723 unsigned level
, int layer
)
725 struct r300_context
*r300
= r300_context(context
);
726 struct r300_texture
*rtex
= (struct r300_texture
*)texture
;
728 if (r300
->rws
->cs_is_buffer_referenced(r300
->cs
,
729 rtex
->cs_buffer
, R300_REF_CS
))
730 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
732 return PIPE_UNREFERENCED
;
735 static void r300_texture_destroy(struct pipe_screen
*screen
,
736 struct pipe_resource
* texture
)
738 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
739 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)texture
->screen
->winsys
;
742 rws
->buffer_reference(rws
, &tex
->buffer
, NULL
);
743 for (i
= 0; i
< R300_MAX_TEXTURE_LEVELS
; i
++) {
745 u_mmFreeMem(tex
->hiz_mem
[i
]);
751 static boolean
r300_texture_get_handle(struct pipe_screen
* screen
,
752 struct pipe_resource
*texture
,
753 struct winsys_handle
*whandle
)
755 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
756 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
762 return rws
->buffer_get_handle(rws
, tex
->buffer
,
763 tex
->desc
.stride_in_bytes
[0], whandle
);
766 struct u_resource_vtbl r300_texture_vtbl
=
768 r300_texture_get_handle
, /* get_handle */
769 r300_texture_destroy
, /* resource_destroy */
770 r300_texture_is_referenced
, /* is_resource_referenced */
771 r300_texture_get_transfer
, /* get_transfer */
772 r300_texture_transfer_destroy
, /* transfer_destroy */
773 r300_texture_transfer_map
, /* transfer_map */
774 u_default_transfer_flush_region
, /* transfer_flush_region */
775 r300_texture_transfer_unmap
, /* transfer_unmap */
776 u_default_transfer_inline_write
/* transfer_inline_write */
779 /* The common texture constructor. */
780 static struct r300_texture
*
781 r300_texture_create_object(struct r300_screen
*rscreen
,
782 const struct pipe_resource
*base
,
783 enum r300_buffer_tiling microtile
,
784 enum r300_buffer_tiling macrotile
,
785 unsigned stride_in_bytes_override
,
786 unsigned max_buffer_size
,
787 struct r300_winsys_buffer
*buffer
)
789 struct r300_winsys_screen
*rws
= rscreen
->rws
;
790 struct r300_texture
*tex
= CALLOC_STRUCT(r300_texture
);
793 rws
->buffer_reference(rws
, &buffer
, NULL
);
797 /* Initialize the descriptor. */
798 if (!r300_texture_desc_init(rscreen
, &tex
->desc
, base
,
799 microtile
, macrotile
,
800 stride_in_bytes_override
,
803 rws
->buffer_reference(rws
, &buffer
, NULL
);
807 /* Initialize the hardware state. */
808 r300_texture_setup_format_state(rscreen
, &tex
->desc
, 0, &tex
->tx_format
);
809 r300_texture_setup_fb_state(rscreen
, tex
);
811 tex
->desc
.b
.vtbl
= &r300_texture_vtbl
;
812 pipe_reference_init(&tex
->desc
.b
.b
.reference
, 1);
813 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
?
815 R300_DOMAIN_VRAM
| R300_DOMAIN_GTT
;
816 tex
->buffer
= buffer
;
818 /* Create the backing buffer if needed. */
820 tex
->buffer
= rws
->buffer_create(rws
, tex
->desc
.size_in_bytes
, 2048,
821 base
->bind
, base
->usage
, tex
->domain
);
829 tex
->cs_buffer
= rws
->buffer_get_cs_handle(rws
, tex
->buffer
);
831 rws
->buffer_set_tiling(rws
, tex
->buffer
,
832 tex
->desc
.microtile
, tex
->desc
.macrotile
[0],
833 tex
->desc
.stride_in_bytes
[0]);
838 /* Create a new texture. */
839 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
840 const struct pipe_resource
*base
)
842 struct r300_screen
*rscreen
= r300_screen(screen
);
843 enum r300_buffer_tiling microtile
, macrotile
;
845 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
846 (base
->bind
& PIPE_BIND_SCANOUT
)) {
847 microtile
= R300_BUFFER_LINEAR
;
848 macrotile
= R300_BUFFER_LINEAR
;
850 microtile
= R300_BUFFER_SELECT_LAYOUT
;
851 macrotile
= R300_BUFFER_SELECT_LAYOUT
;
854 return (struct pipe_resource
*)
855 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
859 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
860 const struct pipe_resource
*base
,
861 struct winsys_handle
*whandle
)
863 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
864 struct r300_screen
*rscreen
= r300_screen(screen
);
865 struct r300_winsys_buffer
*buffer
;
866 enum r300_buffer_tiling microtile
, macrotile
;
867 unsigned stride
, size
;
869 /* Support only 2D textures without mipmaps */
870 if ((base
->target
!= PIPE_TEXTURE_2D
&&
871 base
->target
!= PIPE_TEXTURE_RECT
) ||
873 base
->last_level
!= 0) {
877 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
, &size
);
881 rws
->buffer_get_tiling(rws
, buffer
, µtile
, ¯otile
);
883 /* Enforce a microtiled zbuffer. */
884 if (util_format_is_depth_or_stencil(base
->format
) &&
885 microtile
== R300_BUFFER_LINEAR
) {
886 switch (util_format_get_blocksize(base
->format
)) {
888 microtile
= R300_BUFFER_TILED
;
892 if (rws
->get_value(rws
, R300_VID_DRM_2_1_0
))
893 microtile
= R300_BUFFER_SQUARETILED
;
898 return (struct pipe_resource
*)
899 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
900 stride
, size
, buffer
);
903 /* Not required to implement u_resource_vtbl, consider moving to another file:
905 struct pipe_surface
* r300_create_surface(struct pipe_context
* ctx
,
906 struct pipe_resource
* texture
,
907 const struct pipe_surface
*surf_tmpl
)
909 struct r300_texture
* tex
= r300_texture(texture
);
910 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
911 unsigned level
= surf_tmpl
->u
.tex
.level
;
913 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
916 uint32_t offset
, tile_height
;
918 pipe_reference_init(&surface
->base
.reference
, 1);
919 pipe_resource_reference(&surface
->base
.texture
, texture
);
920 surface
->base
.context
= ctx
;
921 surface
->base
.format
= surf_tmpl
->format
;
922 surface
->base
.width
= u_minify(texture
->width0
, level
);
923 surface
->base
.height
= u_minify(texture
->height0
, level
);
924 surface
->base
.usage
= surf_tmpl
->usage
;
925 surface
->base
.u
.tex
.level
= level
;
926 surface
->base
.u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
927 surface
->base
.u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
929 surface
->buffer
= tex
->buffer
;
930 surface
->cs_buffer
= tex
->cs_buffer
;
932 /* Prefer VRAM if there are multiple domains to choose from. */
933 surface
->domain
= tex
->domain
;
934 if (surface
->domain
& R300_DOMAIN_VRAM
)
935 surface
->domain
&= ~R300_DOMAIN_GTT
;
937 surface
->offset
= r300_texture_get_offset(&tex
->desc
, level
,
938 surf_tmpl
->u
.tex
.first_layer
);
939 surface
->pitch
= tex
->fb_state
.pitch
[level
];
940 surface
->format
= tex
->fb_state
.format
;
942 /* Parameters for the CBZB clear. */
943 surface
->cbzb_allowed
= tex
->desc
.cbzb_allowed
[level
];
944 surface
->cbzb_width
= align(surface
->base
.width
, 64);
946 /* Height must be aligned to the size of a tile. */
947 tile_height
= r300_get_pixel_alignment(tex
->desc
.b
.b
.format
,
948 tex
->desc
.b
.b
.nr_samples
,
950 tex
->desc
.macrotile
[level
],
953 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
956 /* Offset must be aligned to 2K and must point at the beginning
958 offset
= surface
->offset
+
959 tex
->desc
.stride_in_bytes
[level
] * surface
->cbzb_height
;
960 surface
->cbzb_midpoint_offset
= offset
& ~2047;
962 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
964 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
965 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
967 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
969 DBG(r300_context(ctx
), DBG_CBZB
,
970 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
971 surface
->cbzb_allowed
? "YES" : " NO",
972 surface
->cbzb_width
, surface
->cbzb_height
,
974 tex
->desc
.microtile
? "YES" : " NO",
975 tex
->desc
.macrotile
[level
] ? "YES" : " NO");
978 return &surface
->base
;
981 /* Not required to implement u_resource_vtbl, consider moving to another file:
983 void r300_surface_destroy(struct pipe_context
*ctx
, struct pipe_surface
* s
)
985 pipe_resource_reference(&s
->texture
, NULL
);