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_SNORM
:
218 result
|= sign_bit
[0];
219 case PIPE_FORMAT_RGTC1_UNORM
:
220 result
&= ~(0xfff << 9); /* mask off swizzle */
221 result
|= R300_TX_FORMAT_Y
<< R300_TX_FORMAT_R_SHIFT
;
222 return R500_TX_FORMAT_ATI1N
| result
;
223 case PIPE_FORMAT_RGTC2_SNORM
:
224 result
|= sign_bit
[0] | sign_bit
[1];
225 case PIPE_FORMAT_RGTC2_UNORM
:
226 result
&= ~(0xfff << 9); /* mask off swizzle */
227 result
|= R300_TX_FORMAT_Y
<< R300_TX_FORMAT_R_SHIFT
|
228 R300_TX_FORMAT_X
<< R300_TX_FORMAT_G_SHIFT
;
229 return R400_TX_FORMAT_ATI2N
| result
;
231 return ~0; /* Unsupported/unknown. */
235 /* See whether the components are of the same size. */
236 for (i
= 1; i
< desc
->nr_channels
; i
++) {
237 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
240 /* Non-uniform formats. */
242 switch (desc
->nr_channels
) {
244 if (desc
->channel
[0].size
== 5 &&
245 desc
->channel
[1].size
== 6 &&
246 desc
->channel
[2].size
== 5) {
247 return R300_TX_FORMAT_Z5Y6X5
| result
;
249 if (desc
->channel
[0].size
== 5 &&
250 desc
->channel
[1].size
== 5 &&
251 desc
->channel
[2].size
== 6) {
252 return R300_TX_FORMAT_Z6Y5X5
| result
;
254 if (desc
->channel
[0].size
== 2 &&
255 desc
->channel
[1].size
== 3 &&
256 desc
->channel
[2].size
== 3) {
257 return R300_TX_FORMAT_Z3Y3X2
| result
;
259 return ~0; /* Unsupported/unknown. */
262 if (desc
->channel
[0].size
== 5 &&
263 desc
->channel
[1].size
== 5 &&
264 desc
->channel
[2].size
== 5 &&
265 desc
->channel
[3].size
== 1) {
266 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
268 if (desc
->channel
[0].size
== 10 &&
269 desc
->channel
[1].size
== 10 &&
270 desc
->channel
[2].size
== 10 &&
271 desc
->channel
[3].size
== 2) {
272 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
275 return ~0; /* Unsupported/unknown. */
278 /* Find the first non-VOID channel. */
279 for (i
= 0; i
< 4; i
++) {
280 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
286 return ~0; /* Unsupported/unknown. */
288 /* And finally, uniform formats. */
289 switch (desc
->channel
[i
].type
) {
290 case UTIL_FORMAT_TYPE_UNSIGNED
:
291 case UTIL_FORMAT_TYPE_SIGNED
:
292 if (!desc
->channel
[i
].normalized
&&
293 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
297 switch (desc
->channel
[i
].size
) {
299 switch (desc
->nr_channels
) {
301 return R300_TX_FORMAT_Y4X4
| result
;
303 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
308 switch (desc
->nr_channels
) {
310 return R300_TX_FORMAT_X8
| result
;
312 return R300_TX_FORMAT_Y8X8
| result
;
314 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
319 switch (desc
->nr_channels
) {
321 return R300_TX_FORMAT_X16
| result
;
323 return R300_TX_FORMAT_Y16X16
| result
;
325 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
330 case UTIL_FORMAT_TYPE_FLOAT
:
331 switch (desc
->channel
[i
].size
) {
333 switch (desc
->nr_channels
) {
335 return R300_TX_FORMAT_16F
| result
;
337 return R300_TX_FORMAT_16F_16F
| result
;
339 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
344 switch (desc
->nr_channels
) {
346 return R300_TX_FORMAT_32F
| result
;
348 return R300_TX_FORMAT_32F_32F
| result
;
350 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
355 return ~0; /* Unsupported/unknown. */
358 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
361 case PIPE_FORMAT_RGTC1_UNORM
:
362 case PIPE_FORMAT_RGTC1_SNORM
:
363 case PIPE_FORMAT_X8Z24_UNORM
:
364 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
365 return R500_TXFORMAT_MSB
;
371 /* Buffer formats. */
373 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
374 * output. For the swizzling of the targets, check the shader's format. */
375 static uint32_t r300_translate_colorformat(enum pipe_format format
)
379 case PIPE_FORMAT_A8_UNORM
:
380 /*case PIPE_FORMAT_A8_SNORM:*/
381 case PIPE_FORMAT_I8_UNORM
:
382 /*case PIPE_FORMAT_I8_SNORM:*/
383 case PIPE_FORMAT_L8_UNORM
:
384 /*case PIPE_FORMAT_L8_SNORM:*/
385 case PIPE_FORMAT_R8_UNORM
:
386 case PIPE_FORMAT_R8_SNORM
:
387 return R300_COLOR_FORMAT_I8
;
389 /* 16-bit buffers. */
390 case PIPE_FORMAT_L8A8_UNORM
:
391 /*case PIPE_FORMAT_L8A8_SNORM:*/
392 case PIPE_FORMAT_R8G8_UNORM
:
393 case PIPE_FORMAT_R8G8_SNORM
:
394 return R300_COLOR_FORMAT_UV88
;
396 case PIPE_FORMAT_B5G6R5_UNORM
:
397 return R300_COLOR_FORMAT_RGB565
;
399 case PIPE_FORMAT_B5G5R5A1_UNORM
:
400 case PIPE_FORMAT_B5G5R5X1_UNORM
:
401 return R300_COLOR_FORMAT_ARGB1555
;
403 case PIPE_FORMAT_B4G4R4A4_UNORM
:
404 case PIPE_FORMAT_B4G4R4X4_UNORM
:
405 return R300_COLOR_FORMAT_ARGB4444
;
407 /* 32-bit buffers. */
408 case PIPE_FORMAT_B8G8R8A8_UNORM
:
409 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
410 case PIPE_FORMAT_B8G8R8X8_UNORM
:
411 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
412 case PIPE_FORMAT_A8R8G8B8_UNORM
:
413 /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
414 case PIPE_FORMAT_X8R8G8B8_UNORM
:
415 /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
416 case PIPE_FORMAT_A8B8G8R8_UNORM
:
417 /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
418 case PIPE_FORMAT_R8G8B8A8_UNORM
:
419 case PIPE_FORMAT_R8G8B8A8_SNORM
:
420 case PIPE_FORMAT_X8B8G8R8_UNORM
:
421 /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
422 case PIPE_FORMAT_R8G8B8X8_UNORM
:
423 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
424 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
425 return R300_COLOR_FORMAT_ARGB8888
;
427 case PIPE_FORMAT_R10G10B10A2_UNORM
:
428 case PIPE_FORMAT_R10G10B10X2_SNORM
:
429 case PIPE_FORMAT_B10G10R10A2_UNORM
:
430 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
431 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
433 /* 64-bit buffers. */
434 case PIPE_FORMAT_R16G16B16A16_UNORM
:
435 case PIPE_FORMAT_R16G16B16A16_SNORM
:
436 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
437 return R300_COLOR_FORMAT_ARGB16161616
;
439 /* 128-bit buffers. */
440 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
441 return R300_COLOR_FORMAT_ARGB32323232
;
444 case PIPE_FORMAT_UYVY
:
445 return R300_COLOR_FORMAT_YVYU
;
446 case PIPE_FORMAT_YUYV
:
447 return R300_COLOR_FORMAT_VYUY
;
449 return ~0; /* Unsupported. */
453 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
454 static uint32_t r300_translate_zsformat(enum pipe_format format
)
457 /* 16-bit depth, no stencil */
458 case PIPE_FORMAT_Z16_UNORM
:
459 return R300_DEPTHFORMAT_16BIT_INT_Z
;
460 /* 24-bit depth, ignored stencil */
461 case PIPE_FORMAT_X8Z24_UNORM
:
462 /* 24-bit depth, 8-bit stencil */
463 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
464 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
466 return ~0; /* Unsupported. */
470 /* Shader output formats. This is essentially the swizzle from the shader
473 * Note that formats are stored from C3 to C0. */
474 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
476 uint32_t modifier
= 0;
478 const struct util_format_description
*desc
;
479 static const uint32_t sign_bit
[4] = {
486 desc
= util_format_description(format
);
488 /* Find the first non-VOID channel. */
489 for (i
= 0; i
< 4; i
++) {
490 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
496 return ~0; /* Unsupported/unknown. */
498 /* Specifies how the shader output is written to the fog unit. */
499 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
) {
500 if (desc
->channel
[i
].size
== 32) {
501 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
503 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
506 if (desc
->channel
[i
].size
== 16) {
507 modifier
|= R300_US_OUT_FMT_C4_16
;
508 } else if (desc
->channel
[i
].size
== 10) {
509 modifier
|= R300_US_OUT_FMT_C4_10
;
511 /* C4_8 seems to be used for the formats whose pixel size
513 modifier
|= R300_US_OUT_FMT_C4_8
;
518 for (i
= 0; i
< 4; i
++)
519 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
520 modifier
|= sign_bit
[i
];
523 /* Add swizzles and return. */
525 /* 8-bit outputs, one channel.
526 * COLORFORMAT_I8 stores the C2 component. */
527 case PIPE_FORMAT_A8_UNORM
:
528 /*case PIPE_FORMAT_A8_SNORM:*/
529 return modifier
| R300_C2_SEL_A
;
530 case PIPE_FORMAT_I8_UNORM
:
531 /*case PIPE_FORMAT_I8_SNORM:*/
532 case PIPE_FORMAT_L8_UNORM
:
533 /*case PIPE_FORMAT_L8_SNORM:*/
534 case PIPE_FORMAT_R8_UNORM
:
535 case PIPE_FORMAT_R8_SNORM
:
536 return modifier
| R300_C2_SEL_R
;
538 /* 16-bit outputs, two channels.
539 * COLORFORMAT_UV88 stores C2 and C0. */
540 case PIPE_FORMAT_L8A8_UNORM
:
541 /*case PIPE_FORMAT_L8A8_SNORM:*/
542 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
543 case PIPE_FORMAT_R8G8_UNORM
:
544 case PIPE_FORMAT_R8G8_SNORM
:
545 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
548 case PIPE_FORMAT_B5G6R5_UNORM
:
549 case PIPE_FORMAT_B5G5R5A1_UNORM
:
550 case PIPE_FORMAT_B5G5R5X1_UNORM
:
551 case PIPE_FORMAT_B4G4R4A4_UNORM
:
552 case PIPE_FORMAT_B4G4R4X4_UNORM
:
553 case PIPE_FORMAT_B8G8R8A8_UNORM
:
554 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
555 case PIPE_FORMAT_B8G8R8X8_UNORM
:
556 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
557 case PIPE_FORMAT_B10G10R10A2_UNORM
:
559 R300_C0_SEL_B
| R300_C1_SEL_G
|
560 R300_C2_SEL_R
| R300_C3_SEL_A
;
563 case PIPE_FORMAT_A8R8G8B8_UNORM
:
564 /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
565 case PIPE_FORMAT_X8R8G8B8_UNORM
:
566 /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
568 R300_C0_SEL_A
| R300_C1_SEL_R
|
569 R300_C2_SEL_G
| R300_C3_SEL_B
;
572 case PIPE_FORMAT_A8B8G8R8_UNORM
:
573 /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
574 case PIPE_FORMAT_X8B8G8R8_UNORM
:
575 /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
577 R300_C0_SEL_A
| R300_C1_SEL_B
|
578 R300_C2_SEL_G
| R300_C3_SEL_R
;
581 case PIPE_FORMAT_R8G8B8X8_UNORM
:
582 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
583 case PIPE_FORMAT_R8G8B8A8_UNORM
:
584 case PIPE_FORMAT_R8G8B8A8_SNORM
:
585 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
586 case PIPE_FORMAT_R10G10B10A2_UNORM
:
587 case PIPE_FORMAT_R10G10B10X2_SNORM
:
588 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
589 case PIPE_FORMAT_R16G16B16A16_UNORM
:
590 case PIPE_FORMAT_R16G16B16A16_SNORM
:
591 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
592 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
594 R300_C0_SEL_R
| R300_C1_SEL_G
|
595 R300_C2_SEL_B
| R300_C3_SEL_A
;
598 return ~0; /* Unsupported. */
602 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
604 return r300_translate_colorformat(format
) != ~0 &&
605 r300_translate_out_fmt(format
) != ~0;
608 boolean
r300_is_zs_format_supported(enum pipe_format format
)
610 return r300_translate_zsformat(format
) != ~0;
613 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
615 return r300_translate_texformat(format
, 0, TRUE
, FALSE
) != ~0;
618 void r300_texture_setup_format_state(struct r300_screen
*screen
,
619 struct r300_resource
*tex
,
621 struct r300_texture_format_state
*out
)
623 struct pipe_resource
*pt
= &tex
->b
.b
.b
;
624 struct r300_texture_desc
*desc
= &tex
->tex
;
625 boolean is_r500
= screen
->caps
.is_r500
;
627 /* Mask out all the fields we change. */
629 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
630 out
->format2
&= R500_TXFORMAT_MSB
;
631 out
->tile_config
= 0;
633 /* Set sampler state. */
635 R300_TX_WIDTH((u_minify(desc
->width0
, level
) - 1) & 0x7ff) |
636 R300_TX_HEIGHT((u_minify(desc
->height0
, level
) - 1) & 0x7ff) |
637 R300_TX_DEPTH(util_logbase2(u_minify(desc
->depth0
, level
)) & 0xf);
639 if (desc
->uses_stride_addressing
) {
640 /* rectangles love this */
641 out
->format0
|= R300_TX_PITCH_EN
;
642 out
->format2
= (desc
->stride_in_pixels
[level
] - 1) & 0x1fff;
645 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
646 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
648 if (pt
->target
== PIPE_TEXTURE_3D
) {
649 out
->format1
|= R300_TX_FORMAT_3D
;
652 /* large textures on r500 */
655 if (desc
->width0
> 2048) {
656 out
->format2
|= R500_TXWIDTH_BIT11
;
658 if (desc
->height0
> 2048) {
659 out
->format2
|= R500_TXHEIGHT_BIT11
;
663 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
664 R300_TXO_MICRO_TILE(desc
->microtile
);
667 static void r300_texture_setup_fb_state(struct r300_surface
*surf
)
669 struct r300_resource
*tex
= r300_resource(surf
->base
.texture
);
670 unsigned level
= surf
->base
.u
.tex
.level
;
672 /* Set framebuffer state. */
673 if (util_format_is_depth_or_stencil(surf
->base
.format
)) {
675 tex
->tex
.stride_in_pixels
[level
] |
676 R300_DEPTHMACROTILE(tex
->tex
.macrotile
[level
]) |
677 R300_DEPTHMICROTILE(tex
->tex
.microtile
);
678 surf
->format
= r300_translate_zsformat(surf
->base
.format
);
679 surf
->pitch_zmask
= tex
->tex
.zmask_stride_in_pixels
[level
];
680 surf
->pitch_hiz
= tex
->tex
.hiz_stride_in_pixels
[level
];
683 tex
->tex
.stride_in_pixels
[level
] |
684 r300_translate_colorformat(surf
->base
.format
) |
685 R300_COLOR_TILE(tex
->tex
.macrotile
[level
]) |
686 R300_COLOR_MICROTILE(tex
->tex
.microtile
);
687 surf
->format
= r300_translate_out_fmt(surf
->base
.format
);
691 boolean
r300_resource_set_properties(struct pipe_screen
*screen
,
692 struct pipe_resource
*tex
,
694 const struct pipe_resource
*new_properties
)
696 struct r300_screen
*rscreen
= r300_screen(screen
);
697 struct r300_resource
*res
= r300_resource(tex
);
699 SCREEN_DBG(rscreen
, DBG_TEX
,
700 "r300: texture_set_properties: %s -> %s\n",
701 util_format_short_name(tex
->format
),
702 util_format_short_name(new_properties
->format
));
704 if (!r300_texture_desc_init(rscreen
, res
, new_properties
)) {
705 fprintf(stderr
, "r300: ERROR: Cannot set texture properties.\n");
708 res
->tex_offset
= offset
;
709 r300_texture_setup_format_state(rscreen
, res
, 0, &res
->tx_format
);
714 static void r300_texture_destroy(struct pipe_screen
*screen
,
715 struct pipe_resource
* texture
)
717 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
719 r300_winsys_bo_reference(&tex
->buf
, NULL
);
723 boolean
r300_resource_get_handle(struct pipe_screen
* screen
,
724 struct pipe_resource
*texture
,
725 struct winsys_handle
*whandle
)
727 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
728 struct r300_resource
* tex
= (struct r300_resource
*)texture
;
734 return rws
->buffer_get_handle(tex
->buf
,
735 tex
->tex
.stride_in_bytes
[0], whandle
);
738 static const struct u_resource_vtbl r300_texture_vtbl
=
740 NULL
, /* get_handle */
741 r300_texture_destroy
, /* resource_destroy */
742 NULL
, /* is_resource_referenced */
743 r300_texture_get_transfer
, /* get_transfer */
744 r300_texture_transfer_destroy
, /* transfer_destroy */
745 r300_texture_transfer_map
, /* transfer_map */
746 NULL
, /* transfer_flush_region */
747 r300_texture_transfer_unmap
, /* transfer_unmap */
748 u_default_transfer_inline_write
/* transfer_inline_write */
751 /* The common texture constructor. */
752 static struct r300_resource
*
753 r300_texture_create_object(struct r300_screen
*rscreen
,
754 const struct pipe_resource
*base
,
755 enum r300_buffer_tiling microtile
,
756 enum r300_buffer_tiling macrotile
,
757 unsigned stride_in_bytes_override
,
758 unsigned max_buffer_size
,
759 struct r300_winsys_bo
*buffer
)
761 struct r300_winsys_screen
*rws
= rscreen
->rws
;
762 struct r300_resource
*tex
= CALLOC_STRUCT(r300_resource
);
765 r300_winsys_bo_reference(&buffer
, NULL
);
769 pipe_reference_init(&tex
->b
.b
.b
.reference
, 1);
770 tex
->b
.b
.b
.screen
= &rscreen
->screen
;
771 tex
->b
.b
.b
.usage
= base
->usage
;
772 tex
->b
.b
.b
.bind
= base
->bind
;
773 tex
->b
.b
.b
.flags
= base
->flags
;
774 tex
->b
.b
.vtbl
= &r300_texture_vtbl
;
775 tex
->tex
.microtile
= microtile
;
776 tex
->tex
.macrotile
[0] = macrotile
;
777 tex
->tex
.stride_in_bytes_override
= stride_in_bytes_override
;
778 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
?
780 R300_DOMAIN_VRAM
| R300_DOMAIN_GTT
;
781 tex
->buf_size
= max_buffer_size
;
783 if (!r300_resource_set_properties(&rscreen
->screen
, &tex
->b
.b
.b
, 0, base
)) {
785 r300_winsys_bo_reference(&buffer
, NULL
);
790 /* Create the backing buffer if needed. */
792 tex
->buf_size
= tex
->tex
.size_in_bytes
;
793 tex
->buf
= rws
->buffer_create(rws
, tex
->tex
.size_in_bytes
, 2048,
794 base
->bind
, base
->usage
, tex
->domain
);
804 tex
->cs_buf
= rws
->buffer_get_cs_handle(tex
->buf
);
806 rws
->buffer_set_tiling(tex
->buf
, NULL
,
807 tex
->tex
.microtile
, tex
->tex
.macrotile
[0],
808 tex
->tex
.stride_in_bytes
[0]);
813 /* Create a new texture. */
814 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
815 const struct pipe_resource
*base
)
817 struct r300_screen
*rscreen
= r300_screen(screen
);
818 enum r300_buffer_tiling microtile
, macrotile
;
820 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
821 (base
->bind
& PIPE_BIND_SCANOUT
)) {
822 microtile
= R300_BUFFER_LINEAR
;
823 macrotile
= R300_BUFFER_LINEAR
;
825 microtile
= R300_BUFFER_SELECT_LAYOUT
;
826 macrotile
= R300_BUFFER_SELECT_LAYOUT
;
829 return (struct pipe_resource
*)
830 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
834 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
835 const struct pipe_resource
*base
,
836 struct winsys_handle
*whandle
)
838 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
839 struct r300_screen
*rscreen
= r300_screen(screen
);
840 struct r300_winsys_bo
*buffer
;
841 enum r300_buffer_tiling microtile
, macrotile
;
842 unsigned stride
, size
;
844 /* Support only 2D textures without mipmaps */
845 if ((base
->target
!= PIPE_TEXTURE_2D
&&
846 base
->target
!= PIPE_TEXTURE_RECT
) ||
848 base
->last_level
!= 0) {
852 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
, &size
);
856 rws
->buffer_get_tiling(buffer
, µtile
, ¯otile
);
858 /* Enforce a microtiled zbuffer. */
859 if (util_format_is_depth_or_stencil(base
->format
) &&
860 microtile
== R300_BUFFER_LINEAR
) {
861 switch (util_format_get_blocksize(base
->format
)) {
863 microtile
= R300_BUFFER_TILED
;
867 if (rws
->get_value(rws
, R300_VID_DRM_2_1_0
))
868 microtile
= R300_BUFFER_SQUARETILED
;
873 return (struct pipe_resource
*)
874 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
875 stride
, size
, buffer
);
878 /* Not required to implement u_resource_vtbl, consider moving to another file:
880 struct pipe_surface
* r300_create_surface(struct pipe_context
* ctx
,
881 struct pipe_resource
* texture
,
882 const struct pipe_surface
*surf_tmpl
)
884 struct r300_resource
* tex
= r300_resource(texture
);
885 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
886 unsigned level
= surf_tmpl
->u
.tex
.level
;
888 assert(surf_tmpl
->u
.tex
.first_layer
== surf_tmpl
->u
.tex
.last_layer
);
891 uint32_t offset
, tile_height
;
893 pipe_reference_init(&surface
->base
.reference
, 1);
894 pipe_resource_reference(&surface
->base
.texture
, texture
);
895 surface
->base
.context
= ctx
;
896 surface
->base
.format
= surf_tmpl
->format
;
897 surface
->base
.width
= u_minify(texture
->width0
, level
);
898 surface
->base
.height
= u_minify(texture
->height0
, level
);
899 surface
->base
.usage
= surf_tmpl
->usage
;
900 surface
->base
.u
.tex
.level
= level
;
901 surface
->base
.u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
902 surface
->base
.u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
904 surface
->buf
= tex
->buf
;
905 surface
->cs_buf
= tex
->cs_buf
;
907 /* Prefer VRAM if there are multiple domains to choose from. */
908 surface
->domain
= tex
->domain
;
909 if (surface
->domain
& R300_DOMAIN_VRAM
)
910 surface
->domain
&= ~R300_DOMAIN_GTT
;
912 surface
->offset
= r300_texture_get_offset(tex
, level
,
913 surf_tmpl
->u
.tex
.first_layer
);
914 r300_texture_setup_fb_state(surface
);
916 /* Parameters for the CBZB clear. */
917 surface
->cbzb_allowed
= tex
->tex
.cbzb_allowed
[level
];
918 surface
->cbzb_width
= align(surface
->base
.width
, 64);
920 /* Height must be aligned to the size of a tile. */
921 tile_height
= r300_get_pixel_alignment(tex
->b
.b
.b
.format
,
922 tex
->b
.b
.b
.nr_samples
,
924 tex
->tex
.macrotile
[level
],
927 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
930 /* Offset must be aligned to 2K and must point at the beginning
932 offset
= surface
->offset
+
933 tex
->tex
.stride_in_bytes
[level
] * surface
->cbzb_height
;
934 surface
->cbzb_midpoint_offset
= offset
& ~2047;
936 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
938 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
939 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
941 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
943 DBG(r300_context(ctx
), DBG_CBZB
,
944 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
945 surface
->cbzb_allowed
? "YES" : " NO",
946 surface
->cbzb_width
, surface
->cbzb_height
,
948 tex
->tex
.microtile
? "YES" : " NO",
949 tex
->tex
.macrotile
[level
] ? "YES" : " NO");
952 return &surface
->base
;
955 /* Not required to implement u_resource_vtbl, consider moving to another file:
957 void r300_surface_destroy(struct pipe_context
*ctx
, struct pipe_surface
* s
)
959 pipe_resource_reference(&s
->texture
, NULL
);