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_transfer.h"
30 #include "r300_screen.h"
31 #include "r300_winsys.h"
33 #include "util/u_format.h"
34 #include "util/u_format_s3tc.h"
35 #include "util/u_math.h"
36 #include "util/u_memory.h"
38 #include "pipe/p_screen.h"
39 #include "state_tracker/drm_api.h"
46 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
47 const unsigned char *swizzle_view
)
50 unsigned char swizzle
[4];
52 const uint32_t swizzle_shift
[4] = {
53 R300_TX_FORMAT_R_SHIFT
,
54 R300_TX_FORMAT_G_SHIFT
,
55 R300_TX_FORMAT_B_SHIFT
,
56 R300_TX_FORMAT_A_SHIFT
58 const uint32_t swizzle_bit
[4] = {
66 /* Combine two sets of swizzles. */
67 for (i
= 0; i
< 4; i
++) {
68 swizzle
[i
] = swizzle_view
[i
] <= UTIL_FORMAT_SWIZZLE_W
?
69 swizzle_format
[swizzle_view
[i
]] : swizzle_view
[i
];
72 memcpy(swizzle
, swizzle_format
, 4);
76 for (i
= 0; i
< 4; i
++) {
78 case UTIL_FORMAT_SWIZZLE_Y
:
79 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
81 case UTIL_FORMAT_SWIZZLE_Z
:
82 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
84 case UTIL_FORMAT_SWIZZLE_W
:
85 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
87 case UTIL_FORMAT_SWIZZLE_0
:
88 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
90 case UTIL_FORMAT_SWIZZLE_1
:
91 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
93 default: /* UTIL_FORMAT_SWIZZLE_X */
94 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
100 /* Translate a pipe_format into a useful texture format for sampling.
102 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
103 * but the majority of them is translated in a generic way, automatically
104 * supporting all the formats hw can support.
106 * R300_EASY_TX_FORMAT swizzles the texture.
107 * Note the signature of R300_EASY_TX_FORMAT:
108 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
110 * The FORMAT specifies how the texture sampler will treat the texture, and
111 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
112 uint32_t r300_translate_texformat(enum pipe_format format
,
113 const unsigned char *swizzle_view
)
116 const struct util_format_description
*desc
;
118 boolean uniform
= TRUE
;
119 const uint32_t sign_bit
[4] = {
120 R300_TX_FORMAT_SIGNED_X
,
121 R300_TX_FORMAT_SIGNED_Y
,
122 R300_TX_FORMAT_SIGNED_Z
,
123 R300_TX_FORMAT_SIGNED_W
,
126 desc
= util_format_description(format
);
128 /* Colorspace (return non-RGB formats directly). */
129 switch (desc
->colorspace
) {
130 /* Depth stencil formats.
131 * Swizzles are added in r300_merge_textures_and_samplers. */
132 case UTIL_FORMAT_COLORSPACE_ZS
:
134 case PIPE_FORMAT_Z16_UNORM
:
135 return R300_TX_FORMAT_X16
;
136 case PIPE_FORMAT_X8Z24_UNORM
:
137 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
138 return R500_TX_FORMAT_Y8X24
;
140 return ~0; /* Unsupported. */
144 case UTIL_FORMAT_COLORSPACE_YUV
:
145 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
148 case PIPE_FORMAT_UYVY
:
149 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
150 case PIPE_FORMAT_YUYV
:
151 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
153 return ~0; /* Unsupported/unknown. */
156 /* Add gamma correction. */
157 case UTIL_FORMAT_COLORSPACE_SRGB
:
158 result
|= R300_TX_FORMAT_GAMMA
;
163 /* Same as YUV but without the YUR->RGB conversion. */
164 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
165 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
166 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
167 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
172 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
);
175 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
176 if (!util_format_s3tc_enabled
) {
177 return ~0; /* Unsupported. */
181 case PIPE_FORMAT_DXT1_RGB
:
182 case PIPE_FORMAT_DXT1_RGBA
:
183 case PIPE_FORMAT_DXT1_SRGB
:
184 case PIPE_FORMAT_DXT1_SRGBA
:
185 return R300_TX_FORMAT_DXT1
| result
;
186 case PIPE_FORMAT_DXT3_RGBA
:
187 case PIPE_FORMAT_DXT3_SRGBA
:
188 return R300_TX_FORMAT_DXT3
| result
;
189 case PIPE_FORMAT_DXT5_RGBA
:
190 case PIPE_FORMAT_DXT5_SRGBA
:
191 return R300_TX_FORMAT_DXT5
| result
;
193 return ~0; /* Unsupported/unknown. */
198 for (i
= 0; i
< desc
->nr_channels
; i
++) {
199 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
200 result
|= sign_bit
[i
];
204 /* This is truly a special format.
205 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
206 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
207 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
208 return R300_TX_FORMAT_CxV8U8
| result
;
212 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
214 case PIPE_FORMAT_RGTC1_UNORM
:
215 case PIPE_FORMAT_RGTC1_SNORM
:
216 return R500_TX_FORMAT_ATI1N
| result
;
217 case PIPE_FORMAT_RGTC2_UNORM
:
218 case PIPE_FORMAT_RGTC2_SNORM
:
219 return R400_TX_FORMAT_ATI2N
| result
;
221 return ~0; /* Unsupported/unknown. */
225 /* See whether the components are of the same size. */
226 for (i
= 1; i
< desc
->nr_channels
; i
++) {
227 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
230 /* Non-uniform formats. */
232 switch (desc
->nr_channels
) {
234 if (desc
->channel
[0].size
== 5 &&
235 desc
->channel
[1].size
== 6 &&
236 desc
->channel
[2].size
== 5) {
237 return R300_TX_FORMAT_Z5Y6X5
| result
;
239 if (desc
->channel
[0].size
== 5 &&
240 desc
->channel
[1].size
== 5 &&
241 desc
->channel
[2].size
== 6) {
242 return R300_TX_FORMAT_Z6Y5X5
| result
;
244 return ~0; /* Unsupported/unknown. */
247 if (desc
->channel
[0].size
== 5 &&
248 desc
->channel
[1].size
== 5 &&
249 desc
->channel
[2].size
== 5 &&
250 desc
->channel
[3].size
== 1) {
251 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
253 if (desc
->channel
[0].size
== 10 &&
254 desc
->channel
[1].size
== 10 &&
255 desc
->channel
[2].size
== 10 &&
256 desc
->channel
[3].size
== 2) {
257 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
260 return ~0; /* Unsupported/unknown. */
263 /* And finally, uniform formats. */
264 switch (desc
->channel
[0].type
) {
265 case UTIL_FORMAT_TYPE_UNSIGNED
:
266 case UTIL_FORMAT_TYPE_SIGNED
:
267 if (!desc
->channel
[0].normalized
&&
268 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
272 switch (desc
->channel
[0].size
) {
274 switch (desc
->nr_channels
) {
276 return R300_TX_FORMAT_Y4X4
| result
;
278 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
283 switch (desc
->nr_channels
) {
285 return R300_TX_FORMAT_X8
| result
;
287 return R300_TX_FORMAT_Y8X8
| result
;
289 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
294 switch (desc
->nr_channels
) {
296 return R300_TX_FORMAT_X16
| result
;
298 return R300_TX_FORMAT_Y16X16
| result
;
300 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
305 case UTIL_FORMAT_TYPE_FLOAT
:
306 switch (desc
->channel
[0].size
) {
308 switch (desc
->nr_channels
) {
310 return R300_TX_FORMAT_16F
| result
;
312 return R300_TX_FORMAT_16F_16F
| result
;
314 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
319 switch (desc
->nr_channels
) {
321 return R300_TX_FORMAT_32F
| result
;
323 return R300_TX_FORMAT_32F_32F
| result
;
325 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
330 return ~0; /* Unsupported/unknown. */
333 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
336 case PIPE_FORMAT_RGTC1_UNORM
:
337 case PIPE_FORMAT_RGTC1_SNORM
:
338 case PIPE_FORMAT_X8Z24_UNORM
:
339 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
340 return R500_TXFORMAT_MSB
;
346 /* Buffer formats. */
348 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
349 * output. For the swizzling of the targets, check the shader's format. */
350 static uint32_t r300_translate_colorformat(enum pipe_format format
)
354 case PIPE_FORMAT_A8_UNORM
:
355 case PIPE_FORMAT_I8_UNORM
:
356 case PIPE_FORMAT_L8_UNORM
:
357 case PIPE_FORMAT_R8_UNORM
:
358 case PIPE_FORMAT_R8_SNORM
:
359 return R300_COLOR_FORMAT_I8
;
361 /* 16-bit buffers. */
362 case PIPE_FORMAT_B5G6R5_UNORM
:
363 return R300_COLOR_FORMAT_RGB565
;
365 case PIPE_FORMAT_B5G5R5A1_UNORM
:
366 case PIPE_FORMAT_B5G5R5X1_UNORM
:
367 return R300_COLOR_FORMAT_ARGB1555
;
369 case PIPE_FORMAT_B4G4R4A4_UNORM
:
370 case PIPE_FORMAT_B4G4R4X4_UNORM
:
371 return R300_COLOR_FORMAT_ARGB4444
;
373 /* 32-bit buffers. */
374 case PIPE_FORMAT_B8G8R8A8_UNORM
:
375 case PIPE_FORMAT_B8G8R8X8_UNORM
:
376 case PIPE_FORMAT_A8R8G8B8_UNORM
:
377 case PIPE_FORMAT_X8R8G8B8_UNORM
:
378 case PIPE_FORMAT_A8B8G8R8_UNORM
:
379 case PIPE_FORMAT_R8G8B8A8_SNORM
:
380 case PIPE_FORMAT_X8B8G8R8_UNORM
:
381 case PIPE_FORMAT_R8G8B8X8_UNORM
:
382 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
383 return R300_COLOR_FORMAT_ARGB8888
;
385 case PIPE_FORMAT_R10G10B10A2_UNORM
:
386 case PIPE_FORMAT_R10G10B10X2_SNORM
:
387 case PIPE_FORMAT_B10G10R10A2_UNORM
:
388 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
389 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
391 /* 64-bit buffers. */
392 case PIPE_FORMAT_R16G16B16A16_UNORM
:
393 case PIPE_FORMAT_R16G16B16A16_SNORM
:
394 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
395 return R300_COLOR_FORMAT_ARGB16161616
;
397 /* 128-bit buffers. */
398 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
399 return R300_COLOR_FORMAT_ARGB32323232
;
402 case PIPE_FORMAT_UYVY
:
403 return R300_COLOR_FORMAT_YVYU
;
404 case PIPE_FORMAT_YUYV
:
405 return R300_COLOR_FORMAT_VYUY
;
407 return ~0; /* Unsupported. */
411 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
412 static uint32_t r300_translate_zsformat(enum pipe_format format
)
415 /* 16-bit depth, no stencil */
416 case PIPE_FORMAT_Z16_UNORM
:
417 return R300_DEPTHFORMAT_16BIT_INT_Z
;
418 /* 24-bit depth, ignored stencil */
419 case PIPE_FORMAT_X8Z24_UNORM
:
420 /* 24-bit depth, 8-bit stencil */
421 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
422 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
424 return ~0; /* Unsupported. */
428 /* Shader output formats. This is essentially the swizzle from the shader
431 * Note that formats are stored from C3 to C0. */
432 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
434 uint32_t modifier
= 0;
436 const struct util_format_description
*desc
;
437 static const uint32_t sign_bit
[4] = {
444 desc
= util_format_description(format
);
446 /* Specifies how the shader output is written to the fog unit. */
447 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_FLOAT
) {
448 if (desc
->channel
[0].size
== 32) {
449 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
451 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
454 if (desc
->channel
[0].size
== 16) {
455 modifier
|= R300_US_OUT_FMT_C4_16
;
457 /* C4_8 seems to be used for the formats whose pixel size
459 modifier
|= R300_US_OUT_FMT_C4_8
;
464 for (i
= 0; i
< 4; i
++)
465 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
466 modifier
|= sign_bit
[i
];
469 /* Add swizzles and return. */
472 * COLORFORMAT_I8 stores the C2 component. */
473 case PIPE_FORMAT_A8_UNORM
:
474 return modifier
| R300_C2_SEL_A
;
475 case PIPE_FORMAT_I8_UNORM
:
476 case PIPE_FORMAT_L8_UNORM
:
477 case PIPE_FORMAT_R8_UNORM
:
478 case PIPE_FORMAT_R8_SNORM
:
479 return modifier
| R300_C2_SEL_R
;
482 case PIPE_FORMAT_B5G6R5_UNORM
:
483 case PIPE_FORMAT_B5G5R5A1_UNORM
:
484 case PIPE_FORMAT_B5G5R5X1_UNORM
:
485 case PIPE_FORMAT_B4G4R4A4_UNORM
:
486 case PIPE_FORMAT_B4G4R4X4_UNORM
:
487 case PIPE_FORMAT_B8G8R8A8_UNORM
:
488 case PIPE_FORMAT_B8G8R8X8_UNORM
:
489 case PIPE_FORMAT_B10G10R10A2_UNORM
:
491 R300_C0_SEL_B
| R300_C1_SEL_G
|
492 R300_C2_SEL_R
| R300_C3_SEL_A
;
495 case PIPE_FORMAT_A8R8G8B8_UNORM
:
496 case PIPE_FORMAT_X8R8G8B8_UNORM
:
498 R300_C0_SEL_A
| R300_C1_SEL_R
|
499 R300_C2_SEL_G
| R300_C3_SEL_B
;
502 case PIPE_FORMAT_A8B8G8R8_UNORM
:
503 case PIPE_FORMAT_X8B8G8R8_UNORM
:
505 R300_C0_SEL_A
| R300_C1_SEL_B
|
506 R300_C2_SEL_G
| R300_C3_SEL_R
;
509 case PIPE_FORMAT_R8G8B8X8_UNORM
:
510 case PIPE_FORMAT_R8G8B8A8_SNORM
:
511 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
512 case PIPE_FORMAT_R10G10B10A2_UNORM
:
513 case PIPE_FORMAT_R10G10B10X2_SNORM
:
514 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
515 case PIPE_FORMAT_R16G16B16A16_UNORM
:
516 case PIPE_FORMAT_R16G16B16A16_SNORM
:
517 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
518 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
520 R300_C0_SEL_R
| R300_C1_SEL_G
|
521 R300_C2_SEL_B
| R300_C3_SEL_A
;
524 return ~0; /* Unsupported. */
528 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
530 return r300_translate_colorformat(format
) != ~0 &&
531 r300_translate_out_fmt(format
) != ~0;
534 boolean
r300_is_zs_format_supported(enum pipe_format format
)
536 return r300_translate_zsformat(format
) != ~0;
539 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
541 return r300_translate_texformat(format
, 0) != ~0;
544 static void r300_texture_setup_immutable_state(struct r300_screen
* screen
,
545 struct r300_texture
* tex
)
547 struct r300_texture_format_state
* f
= &tex
->tx_format
;
548 struct pipe_resource
*pt
= &tex
->b
.b
;
549 boolean is_r500
= screen
->caps
.is_r500
;
551 /* Set sampler state. */
552 f
->format0
= R300_TX_WIDTH((pt
->width0
- 1) & 0x7ff) |
553 R300_TX_HEIGHT((pt
->height0
- 1) & 0x7ff);
555 if (tex
->uses_pitch
) {
556 /* rectangles love this */
557 f
->format0
|= R300_TX_PITCH_EN
;
558 f
->format2
= (tex
->hwpitch
[0] - 1) & 0x1fff;
560 /* power of two textures (3D, mipmaps, and no pitch) */
561 f
->format0
|= R300_TX_DEPTH(util_logbase2(pt
->depth0
) & 0xf);
565 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
566 f
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
568 if (pt
->target
== PIPE_TEXTURE_3D
) {
569 f
->format1
|= R300_TX_FORMAT_3D
;
572 /* large textures on r500 */
575 if (pt
->width0
> 2048) {
576 f
->format2
|= R500_TXWIDTH_BIT11
;
578 if (pt
->height0
> 2048) {
579 f
->format2
|= R500_TXHEIGHT_BIT11
;
583 f
->tile_config
= R300_TXO_MACRO_TILE(tex
->macrotile
) |
584 R300_TXO_MICRO_TILE(tex
->microtile
);
587 static void r300_texture_setup_fb_state(struct r300_screen
* screen
,
588 struct r300_texture
* tex
)
592 /* Set framebuffer state. */
593 if (util_format_is_depth_or_stencil(tex
->b
.b
.format
)) {
594 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
595 tex
->fb_state
.pitch
[i
] =
597 R300_DEPTHMACROTILE(tex
->mip_macrotile
[i
]) |
598 R300_DEPTHMICROTILE(tex
->microtile
);
600 tex
->fb_state
.format
= r300_translate_zsformat(tex
->b
.b
.format
);
602 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
603 tex
->fb_state
.pitch
[i
] =
605 r300_translate_colorformat(tex
->b
.b
.format
) |
606 R300_COLOR_TILE(tex
->mip_macrotile
[i
]) |
607 R300_COLOR_MICROTILE(tex
->microtile
);
609 tex
->fb_state
.format
= r300_translate_out_fmt(tex
->b
.b
.format
);
613 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
614 struct pipe_resource
*tex
,
615 enum pipe_format new_format
)
617 struct r300_screen
*r300screen
= r300_screen(screen
);
619 SCREEN_DBG(r300screen
, DBG_TEX
,
620 "r300: texture_reinterpret_format: %s -> %s\n",
621 util_format_short_name(tex
->format
),
622 util_format_short_name(new_format
));
624 tex
->format
= new_format
;
626 r300_texture_setup_fb_state(r300_screen(screen
), r300_texture(tex
));
629 unsigned r300_texture_get_offset(struct r300_texture
* tex
, unsigned level
,
630 unsigned zslice
, unsigned face
)
632 unsigned offset
= tex
->offset
[level
];
634 switch (tex
->b
.b
.target
) {
635 case PIPE_TEXTURE_3D
:
637 return offset
+ zslice
* tex
->layer_size
[level
];
639 case PIPE_TEXTURE_CUBE
:
641 return offset
+ face
* tex
->layer_size
[level
];
644 assert(zslice
== 0 && face
== 0);
649 /* Returns the number of pixels that the texture should be aligned to
650 * in the given dimension. */
651 static unsigned r300_get_pixel_alignment(struct r300_texture
*tex
,
652 enum r300_buffer_tiling macrotile
,
655 static const unsigned table
[2][5][3][2] =
658 /* Macro: linear linear linear
659 Micro: linear tiled square-tiled */
660 {{ 32, 1}, { 8, 4}, { 0, 0}}, /* 8 bits per pixel */
661 {{ 16, 1}, { 8, 2}, { 4, 4}}, /* 16 bits per pixel */
662 {{ 8, 1}, { 4, 2}, { 0, 0}}, /* 32 bits per pixel */
663 {{ 4, 1}, { 0, 0}, { 2, 2}}, /* 64 bits per pixel */
664 {{ 2, 1}, { 0, 0}, { 0, 0}} /* 128 bits per pixel */
667 /* Macro: tiled tiled tiled
668 Micro: linear tiled square-tiled */
669 {{256, 8}, {64, 32}, { 0, 0}}, /* 8 bits per pixel */
670 {{128, 8}, {64, 16}, {32, 32}}, /* 16 bits per pixel */
671 {{ 64, 8}, {32, 16}, { 0, 0}}, /* 32 bits per pixel */
672 {{ 32, 8}, { 0, 0}, {16, 16}}, /* 64 bits per pixel */
673 {{ 16, 8}, { 0, 0}, { 0, 0}} /* 128 bits per pixel */
676 static const unsigned aa_block
[2] = {4, 8};
678 unsigned pixsize
= util_format_get_blocksize(tex
->b
.b
.format
);
680 assert(macrotile
<= R300_BUFFER_TILED
);
681 assert(tex
->microtile
<= R300_BUFFER_SQUARETILED
);
682 assert(pixsize
<= 16);
683 assert(dim
<= DIM_HEIGHT
);
685 if (tex
->b
.b
.nr_samples
> 1) {
686 /* Multisampled textures have their own alignment scheme. */
690 /* Standard alignment. */
691 res
= table
[macrotile
][util_logbase2(pixsize
)][tex
->microtile
][dim
];
698 /* Return true if macrotiling should be enabled on the miplevel. */
699 static boolean
r300_texture_macro_switch(struct r300_texture
*tex
,
704 unsigned tile
, texdim
;
706 tile
= r300_get_pixel_alignment(tex
, R300_BUFFER_TILED
, dim
);
707 if (dim
== DIM_WIDTH
) {
708 texdim
= u_minify(tex
->b
.b
.width0
, level
);
710 texdim
= u_minify(tex
->b
.b
.height0
, level
);
713 /* See TX_FILTER1_n.MACRO_SWITCH. */
715 return texdim
>= tile
;
717 return texdim
> tile
;
722 * Return the stride, in bytes, of the texture images of the given texture
723 * at the given level.
725 unsigned r300_texture_get_stride(struct r300_screen
* screen
,
726 struct r300_texture
* tex
, unsigned level
)
728 unsigned tile_width
, width
, stride
;
730 if (tex
->stride_override
)
731 return tex
->stride_override
;
733 /* Check the level. */
734 if (level
> tex
->b
.b
.last_level
) {
735 SCREEN_DBG(screen
, DBG_TEX
, "%s: level (%u) > last_level (%u)\n",
736 __FUNCTION__
, level
, tex
->b
.b
.last_level
);
740 width
= u_minify(tex
->b
.b
.width0
, level
);
742 if (util_format_is_plain(tex
->b
.b
.format
)) {
743 tile_width
= r300_get_pixel_alignment(tex
, tex
->mip_macrotile
[level
],
745 width
= align(width
, tile_width
);
747 stride
= util_format_get_stride(tex
->b
.b
.format
, width
);
749 /* Some IGPs need a minimum stride of 64 bytes, hmm...
750 * This doesn't seem to apply to tiled textures, according to r300c. */
751 if (!tex
->microtile
&& !tex
->mip_macrotile
[level
] &&
752 (screen
->caps
.family
== CHIP_FAMILY_RS600
||
753 screen
->caps
.family
== CHIP_FAMILY_RS690
||
754 screen
->caps
.family
== CHIP_FAMILY_RS740
)) {
755 return stride
< 64 ? 64 : stride
;
758 /* The alignment to 32 bytes is sort of implied by the layout... */
761 return align(util_format_get_stride(tex
->b
.b
.format
, width
), 32);
765 static unsigned r300_texture_get_nblocksy(struct r300_texture
* tex
,
768 unsigned height
, tile_height
;
770 height
= u_minify(tex
->b
.b
.height0
, level
);
772 if (util_format_is_plain(tex
->b
.b
.format
)) {
773 tile_height
= r300_get_pixel_alignment(tex
, tex
->mip_macrotile
[level
],
775 height
= align(height
, tile_height
);
777 /* This is needed for the kernel checker, unfortunately. */
778 height
= util_next_power_of_two(height
);
781 return util_format_get_nblocksy(tex
->b
.b
.format
, height
);
784 static void r300_texture_3d_fix_mipmapping(struct r300_screen
*screen
,
785 struct r300_texture
*tex
)
787 /* The kernels <= 2.6.34-rc4 compute the size of mipmapped 3D textures
788 * incorrectly. This is a workaround to prevent CS from being rejected. */
792 if (!screen
->rws
->get_value(screen
->rws
, R300_VID_DRM_2_3_0
) &&
793 tex
->b
.b
.target
== PIPE_TEXTURE_3D
&&
794 tex
->b
.b
.last_level
> 0) {
797 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
798 size
+= r300_texture_get_stride(screen
, tex
, i
) *
799 r300_texture_get_nblocksy(tex
, i
);
802 size
*= tex
->b
.b
.depth0
;
807 static void r300_setup_miptree(struct r300_screen
* screen
,
808 struct r300_texture
* tex
)
810 struct pipe_resource
* base
= &tex
->b
.b
;
811 unsigned stride
, size
, layer_size
, nblocksy
, i
;
812 boolean rv350_mode
= screen
->caps
.is_rv350
;
814 SCREEN_DBG(screen
, DBG_TEXALLOC
,
815 "r300: Making miptree for texture, format %s\n",
816 util_format_short_name(base
->format
));
818 for (i
= 0; i
<= base
->last_level
; i
++) {
819 /* Let's see if this miplevel can be macrotiled. */
820 tex
->mip_macrotile
[i
] =
821 (tex
->macrotile
== R300_BUFFER_TILED
&&
822 r300_texture_macro_switch(tex
, i
, rv350_mode
, DIM_WIDTH
) &&
823 r300_texture_macro_switch(tex
, i
, rv350_mode
, DIM_HEIGHT
)) ?
824 R300_BUFFER_TILED
: R300_BUFFER_LINEAR
;
826 stride
= r300_texture_get_stride(screen
, tex
, i
);
827 nblocksy
= r300_texture_get_nblocksy(tex
, i
);
828 layer_size
= stride
* nblocksy
;
830 if (base
->nr_samples
) {
831 layer_size
*= base
->nr_samples
;
834 if (base
->target
== PIPE_TEXTURE_CUBE
)
835 size
= layer_size
* 6;
837 size
= layer_size
* u_minify(base
->depth0
, i
);
839 tex
->offset
[i
] = tex
->size
;
840 tex
->size
= tex
->offset
[i
] + size
;
841 tex
->layer_size
[i
] = layer_size
;
842 tex
->pitch
[i
] = stride
/ util_format_get_blocksize(base
->format
);
844 tex
->pitch
[i
] * util_format_get_blockwidth(base
->format
);
846 SCREEN_DBG(screen
, DBG_TEXALLOC
, "r300: Texture miptree: Level %d "
847 "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
848 i
, u_minify(base
->width0
, i
), u_minify(base
->height0
, i
),
849 u_minify(base
->depth0
, i
), stride
, tex
->size
,
850 tex
->mip_macrotile
[i
] ? "TRUE" : "FALSE");
854 static void r300_setup_flags(struct r300_texture
* tex
)
856 tex
->uses_pitch
= !util_is_power_of_two(tex
->b
.b
.width0
) ||
857 !util_is_power_of_two(tex
->b
.b
.height0
) ||
858 tex
->stride_override
;
861 static void r300_setup_tiling(struct pipe_screen
*screen
,
862 struct r300_texture
*tex
)
864 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
865 enum pipe_format format
= tex
->b
.b
.format
;
866 boolean rv350_mode
= r300_screen(screen
)->caps
.is_rv350
;
867 boolean is_zb
= util_format_is_depth_or_stencil(format
);
868 boolean dbg_no_tiling
= SCREEN_DBG_ON(r300_screen(screen
), DBG_NO_TILING
);
870 if (!util_format_is_plain(format
)) {
874 /* If height == 1, disable microtiling except for zbuffer. */
875 if (!is_zb
&& (tex
->b
.b
.height0
== 1 || dbg_no_tiling
)) {
879 /* Set microtiling. */
880 switch (util_format_get_blocksize(format
)) {
883 tex
->microtile
= R300_BUFFER_TILED
;
888 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
)) {
889 tex
->microtile
= R300_BUFFER_SQUARETILED
;
898 /* Set macrotiling. */
899 if (r300_texture_macro_switch(tex
, 0, rv350_mode
, DIM_WIDTH
) &&
900 r300_texture_macro_switch(tex
, 0, rv350_mode
, DIM_HEIGHT
)) {
901 tex
->macrotile
= R300_BUFFER_TILED
;
905 static unsigned r300_texture_is_referenced(struct pipe_context
*context
,
906 struct pipe_resource
*texture
,
907 unsigned face
, unsigned level
)
909 struct r300_context
*r300
= r300_context(context
);
910 struct r300_texture
*rtex
= (struct r300_texture
*)texture
;
912 if (r300
->rws
->is_buffer_referenced(r300
->rws
, rtex
->buffer
, R300_REF_CS
))
913 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
915 return PIPE_UNREFERENCED
;
918 static void r300_texture_destroy(struct pipe_screen
*screen
,
919 struct pipe_resource
* texture
)
921 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
922 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)texture
->screen
->winsys
;
924 rws
->buffer_reference(rws
, &tex
->buffer
, NULL
);
928 static boolean
r300_texture_get_handle(struct pipe_screen
* screen
,
929 struct pipe_resource
*texture
,
930 struct winsys_handle
*whandle
)
932 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
933 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
939 whandle
->stride
= r300_texture_get_stride(r300_screen(screen
), tex
, 0);
941 return rws
->buffer_get_handle(rws
, tex
->buffer
, whandle
);
944 struct u_resource_vtbl r300_texture_vtbl
=
946 r300_texture_get_handle
, /* get_handle */
947 r300_texture_destroy
, /* resource_destroy */
948 r300_texture_is_referenced
, /* is_resource_referenced */
949 r300_texture_get_transfer
, /* get_transfer */
950 r300_texture_transfer_destroy
, /* transfer_destroy */
951 r300_texture_transfer_map
, /* transfer_map */
952 u_default_transfer_flush_region
, /* transfer_flush_region */
953 r300_texture_transfer_unmap
, /* transfer_unmap */
954 u_default_transfer_inline_write
/* transfer_inline_write */
957 /* Create a new texture. */
958 struct pipe_resource
* r300_texture_create(struct pipe_screen
* screen
,
959 const struct pipe_resource
* base
)
961 struct r300_texture
* tex
= CALLOC_STRUCT(r300_texture
);
962 struct r300_screen
* rscreen
= r300_screen(screen
);
963 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
969 /* Refuse to create a texture with size 0. */
971 (!base
->height0
&& (base
->target
== PIPE_TEXTURE_2D
||
972 base
->target
== PIPE_TEXTURE_CUBE
)) ||
973 (!base
->depth0
&& base
->target
== PIPE_TEXTURE_3D
)) {
974 fprintf(stderr
, "r300: texture_create: "
975 "Got invalid texture dimensions: %ix%ix%i\n",
976 base
->width0
, base
->height0
, base
->depth0
);
982 tex
->b
.vtbl
= &r300_texture_vtbl
;
983 pipe_reference_init(&tex
->b
.b
.reference
, 1);
984 tex
->b
.b
.screen
= screen
;
986 r300_setup_flags(tex
);
987 if (!(base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) &&
988 !(base
->bind
& PIPE_BIND_SCANOUT
)) {
989 r300_setup_tiling(screen
, tex
);
991 r300_setup_miptree(rscreen
, tex
);
992 r300_texture_3d_fix_mipmapping(rscreen
, tex
);
993 r300_texture_setup_immutable_state(rscreen
, tex
);
994 r300_texture_setup_fb_state(rscreen
, tex
);
996 SCREEN_DBG(rscreen
, DBG_TEX
,
997 "r300: texture_create: Macro: %s, Micro: %s, Pitch: %i, "
998 "Dim: %ix%ix%i, LastLevel: %i, Size: %i, Format: %s\n",
999 tex
->macrotile
? "YES" : " NO",
1000 tex
->microtile
? "YES" : " NO",
1002 base
->width0
, base
->height0
, base
->depth0
, base
->last_level
,
1004 util_format_short_name(base
->format
));
1006 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
? R300_DOMAIN_GTT
:
1009 tex
->buffer
= rws
->buffer_create(rws
, 2048, base
->bind
, tex
->domain
,
1017 rws
->buffer_set_tiling(rws
, tex
->buffer
,
1018 tex
->pitch
[0] * util_format_get_blocksize(tex
->b
.b
.format
),
1022 return (struct pipe_resource
*)tex
;
1025 /* Not required to implement u_resource_vtbl, consider moving to another file:
1027 struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
1028 struct pipe_resource
* texture
,
1034 struct r300_texture
* tex
= r300_texture(texture
);
1035 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
1038 pipe_reference_init(&surface
->base
.reference
, 1);
1039 pipe_resource_reference(&surface
->base
.texture
, texture
);
1040 surface
->base
.format
= texture
->format
;
1041 surface
->base
.width
= u_minify(texture
->width0
, level
);
1042 surface
->base
.height
= u_minify(texture
->height0
, level
);
1043 surface
->base
.usage
= flags
;
1044 surface
->base
.zslice
= zslice
;
1045 surface
->base
.face
= face
;
1046 surface
->base
.level
= level
;
1048 surface
->buffer
= tex
->buffer
;
1049 surface
->domain
= tex
->domain
;
1050 surface
->offset
= r300_texture_get_offset(tex
, level
, zslice
, face
);
1051 surface
->pitch
= tex
->fb_state
.pitch
[level
];
1052 surface
->format
= tex
->fb_state
.format
;
1055 return &surface
->base
;
1058 /* Not required to implement u_resource_vtbl, consider moving to another file:
1060 void r300_tex_surface_destroy(struct pipe_surface
* s
)
1062 pipe_resource_reference(&s
->texture
, NULL
);
1066 struct pipe_resource
*
1067 r300_texture_from_handle(struct pipe_screen
* screen
,
1068 const struct pipe_resource
* base
,
1069 struct winsys_handle
*whandle
)
1071 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
1072 struct r300_screen
* rscreen
= r300_screen(screen
);
1073 struct r300_winsys_buffer
*buffer
;
1074 struct r300_texture
* tex
;
1075 boolean override_zb_flags
;
1077 /* Support only 2D textures without mipmaps */
1078 if (base
->target
!= PIPE_TEXTURE_2D
||
1079 base
->depth0
!= 1 ||
1080 base
->last_level
!= 0) {
1084 buffer
= rws
->buffer_from_handle(rws
, whandle
->handle
);
1089 tex
= CALLOC_STRUCT(r300_texture
);
1095 tex
->b
.vtbl
= &r300_texture_vtbl
;
1096 pipe_reference_init(&tex
->b
.b
.reference
, 1);
1097 tex
->b
.b
.screen
= screen
;
1098 tex
->domain
= R300_DOMAIN_VRAM
;
1100 tex
->stride_override
= whandle
->stride
;
1102 /* one ref already taken */
1103 tex
->buffer
= buffer
;
1105 rws
->buffer_get_tiling(rws
, buffer
, &tex
->microtile
, &tex
->macrotile
);
1106 r300_setup_flags(tex
);
1107 SCREEN_DBG(rscreen
, DBG_TEX
,
1108 "r300: texture_from_handle: Macro: %s, Micro: %s, "
1109 "Pitch: % 4i, Dim: %ix%i, Format: %s\n",
1110 tex
->macrotile
? "YES" : " NO",
1111 tex
->microtile
? "YES" : " NO",
1112 whandle
->stride
/ util_format_get_blocksize(base
->format
),
1113 base
->width0
, base
->height0
,
1114 util_format_short_name(base
->format
));
1116 /* Enforce microtiled zbuffer. */
1117 override_zb_flags
= util_format_is_depth_or_stencil(base
->format
) &&
1118 tex
->microtile
== R300_BUFFER_LINEAR
;
1120 if (override_zb_flags
) {
1121 switch (util_format_get_blocksize(base
->format
)) {
1123 tex
->microtile
= R300_BUFFER_TILED
;
1127 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
)) {
1128 tex
->microtile
= R300_BUFFER_SQUARETILED
;
1134 override_zb_flags
= FALSE
;
1138 r300_setup_miptree(rscreen
, tex
);
1139 r300_texture_setup_immutable_state(rscreen
, tex
);
1140 r300_texture_setup_fb_state(rscreen
, tex
);
1142 if (override_zb_flags
) {
1143 rws
->buffer_set_tiling(rws
, tex
->buffer
,
1144 tex
->pitch
[0] * util_format_get_blocksize(tex
->b
.b
.format
),
1148 return (struct pipe_resource
*)tex
;