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
)
46 unsigned char swizzle
[4];
48 const uint32_t swizzle_shift
[4] = {
49 R300_TX_FORMAT_R_SHIFT
,
50 R300_TX_FORMAT_G_SHIFT
,
51 R300_TX_FORMAT_B_SHIFT
,
52 R300_TX_FORMAT_A_SHIFT
54 const uint32_t swizzle_bit
[4] = {
62 /* Combine two sets of swizzles. */
63 for (i
= 0; i
< 4; i
++) {
64 swizzle
[i
] = swizzle_view
[i
] <= UTIL_FORMAT_SWIZZLE_W
?
65 swizzle_format
[swizzle_view
[i
]] : swizzle_view
[i
];
68 memcpy(swizzle
, swizzle_format
, 4);
72 for (i
= 0; i
< 4; i
++) {
74 case UTIL_FORMAT_SWIZZLE_Y
:
75 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
77 case UTIL_FORMAT_SWIZZLE_Z
:
78 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
80 case UTIL_FORMAT_SWIZZLE_W
:
81 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
83 case UTIL_FORMAT_SWIZZLE_0
:
84 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
86 case UTIL_FORMAT_SWIZZLE_1
:
87 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
89 default: /* UTIL_FORMAT_SWIZZLE_X */
90 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
96 /* Translate a pipe_format into a useful texture format for sampling.
98 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
99 * but the majority of them is translated in a generic way, automatically
100 * supporting all the formats hw can support.
102 * R300_EASY_TX_FORMAT swizzles the texture.
103 * Note the signature of R300_EASY_TX_FORMAT:
104 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
106 * The FORMAT specifies how the texture sampler will treat the texture, and
107 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
108 uint32_t r300_translate_texformat(enum pipe_format format
,
109 const unsigned char *swizzle_view
,
113 const struct util_format_description
*desc
;
115 boolean uniform
= TRUE
;
116 const uint32_t sign_bit
[4] = {
117 R300_TX_FORMAT_SIGNED_X
,
118 R300_TX_FORMAT_SIGNED_Y
,
119 R300_TX_FORMAT_SIGNED_Z
,
120 R300_TX_FORMAT_SIGNED_W
,
123 desc
= util_format_description(format
);
125 /* Colorspace (return non-RGB formats directly). */
126 switch (desc
->colorspace
) {
127 /* Depth stencil formats.
128 * Swizzles are added in r300_merge_textures_and_samplers. */
129 case UTIL_FORMAT_COLORSPACE_ZS
:
131 case PIPE_FORMAT_Z16_UNORM
:
132 return R300_TX_FORMAT_X16
;
133 case PIPE_FORMAT_X8Z24_UNORM
:
134 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
136 return R500_TX_FORMAT_Y8X24
;
138 return R300_TX_FORMAT_Y16X16
;
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 /* Find the first non-VOID channel. */
264 for (i
= 0; i
< 4; i
++) {
265 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
271 return ~0; /* Unsupported/unknown. */
273 /* And finally, uniform formats. */
274 switch (desc
->channel
[i
].type
) {
275 case UTIL_FORMAT_TYPE_UNSIGNED
:
276 case UTIL_FORMAT_TYPE_SIGNED
:
277 if (!desc
->channel
[i
].normalized
&&
278 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
282 switch (desc
->channel
[i
].size
) {
284 switch (desc
->nr_channels
) {
286 return R300_TX_FORMAT_Y4X4
| result
;
288 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
293 switch (desc
->nr_channels
) {
295 return R300_TX_FORMAT_X8
| result
;
297 return R300_TX_FORMAT_Y8X8
| result
;
299 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
304 switch (desc
->nr_channels
) {
306 return R300_TX_FORMAT_X16
| result
;
308 return R300_TX_FORMAT_Y16X16
| result
;
310 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
315 case UTIL_FORMAT_TYPE_FLOAT
:
316 switch (desc
->channel
[i
].size
) {
318 switch (desc
->nr_channels
) {
320 return R300_TX_FORMAT_16F
| result
;
322 return R300_TX_FORMAT_16F_16F
| result
;
324 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
329 switch (desc
->nr_channels
) {
331 return R300_TX_FORMAT_32F
| result
;
333 return R300_TX_FORMAT_32F_32F
| result
;
335 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
340 return ~0; /* Unsupported/unknown. */
343 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
346 case PIPE_FORMAT_RGTC1_UNORM
:
347 case PIPE_FORMAT_RGTC1_SNORM
:
348 case PIPE_FORMAT_X8Z24_UNORM
:
349 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
350 return R500_TXFORMAT_MSB
;
356 /* Buffer formats. */
358 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
359 * output. For the swizzling of the targets, check the shader's format. */
360 static uint32_t r300_translate_colorformat(enum pipe_format format
)
364 case PIPE_FORMAT_A8_UNORM
:
365 case PIPE_FORMAT_I8_UNORM
:
366 case PIPE_FORMAT_L8_UNORM
:
367 case PIPE_FORMAT_R8_UNORM
:
368 case PIPE_FORMAT_R8_SNORM
:
369 return R300_COLOR_FORMAT_I8
;
371 /* 16-bit buffers. */
372 case PIPE_FORMAT_L8A8_UNORM
:
373 case PIPE_FORMAT_R8G8_UNORM
:
374 case PIPE_FORMAT_R8G8_SNORM
:
375 return R300_COLOR_FORMAT_UV88
;
377 case PIPE_FORMAT_B5G6R5_UNORM
:
378 return R300_COLOR_FORMAT_RGB565
;
380 case PIPE_FORMAT_B5G5R5A1_UNORM
:
381 case PIPE_FORMAT_B5G5R5X1_UNORM
:
382 return R300_COLOR_FORMAT_ARGB1555
;
384 case PIPE_FORMAT_B4G4R4A4_UNORM
:
385 case PIPE_FORMAT_B4G4R4X4_UNORM
:
386 return R300_COLOR_FORMAT_ARGB4444
;
388 /* 32-bit buffers. */
389 case PIPE_FORMAT_B8G8R8A8_UNORM
:
390 case PIPE_FORMAT_B8G8R8X8_UNORM
:
391 case PIPE_FORMAT_A8R8G8B8_UNORM
:
392 case PIPE_FORMAT_X8R8G8B8_UNORM
:
393 case PIPE_FORMAT_A8B8G8R8_UNORM
:
394 case PIPE_FORMAT_R8G8B8A8_SNORM
:
395 case PIPE_FORMAT_X8B8G8R8_UNORM
:
396 case PIPE_FORMAT_R8G8B8X8_UNORM
:
397 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
398 return R300_COLOR_FORMAT_ARGB8888
;
400 case PIPE_FORMAT_R10G10B10A2_UNORM
:
401 case PIPE_FORMAT_R10G10B10X2_SNORM
:
402 case PIPE_FORMAT_B10G10R10A2_UNORM
:
403 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
404 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
406 /* 64-bit buffers. */
407 case PIPE_FORMAT_R16G16B16A16_UNORM
:
408 case PIPE_FORMAT_R16G16B16A16_SNORM
:
409 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
410 return R300_COLOR_FORMAT_ARGB16161616
;
412 /* 128-bit buffers. */
413 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
414 return R300_COLOR_FORMAT_ARGB32323232
;
417 case PIPE_FORMAT_UYVY
:
418 return R300_COLOR_FORMAT_YVYU
;
419 case PIPE_FORMAT_YUYV
:
420 return R300_COLOR_FORMAT_VYUY
;
422 return ~0; /* Unsupported. */
426 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
427 static uint32_t r300_translate_zsformat(enum pipe_format format
)
430 /* 16-bit depth, no stencil */
431 case PIPE_FORMAT_Z16_UNORM
:
432 return R300_DEPTHFORMAT_16BIT_INT_Z
;
433 /* 24-bit depth, ignored stencil */
434 case PIPE_FORMAT_X8Z24_UNORM
:
435 /* 24-bit depth, 8-bit stencil */
436 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
437 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
439 return ~0; /* Unsupported. */
443 /* Shader output formats. This is essentially the swizzle from the shader
446 * Note that formats are stored from C3 to C0. */
447 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
449 uint32_t modifier
= 0;
451 const struct util_format_description
*desc
;
452 static const uint32_t sign_bit
[4] = {
459 desc
= util_format_description(format
);
461 /* Find the first non-VOID channel. */
462 for (i
= 0; i
< 4; i
++) {
463 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
469 return ~0; /* Unsupported/unknown. */
471 /* Specifies how the shader output is written to the fog unit. */
472 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FLOAT
) {
473 if (desc
->channel
[i
].size
== 32) {
474 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
476 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
479 if (desc
->channel
[i
].size
== 16) {
480 modifier
|= R300_US_OUT_FMT_C4_16
;
482 /* C4_8 seems to be used for the formats whose pixel size
484 modifier
|= R300_US_OUT_FMT_C4_8
;
489 for (i
= 0; i
< 4; i
++)
490 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
491 modifier
|= sign_bit
[i
];
494 /* Add swizzles and return. */
496 /* 8-bit outputs, one channel.
497 * COLORFORMAT_I8 stores the C2 component. */
498 case PIPE_FORMAT_A8_UNORM
:
499 return modifier
| R300_C2_SEL_A
;
500 case PIPE_FORMAT_I8_UNORM
:
501 case PIPE_FORMAT_L8_UNORM
:
502 case PIPE_FORMAT_R8_UNORM
:
503 case PIPE_FORMAT_R8_SNORM
:
504 return modifier
| R300_C2_SEL_R
;
506 /* 16-bit outputs, two channels.
507 * COLORFORMAT_UV88 stores C2 and C0. */
508 case PIPE_FORMAT_L8A8_UNORM
:
509 return modifier
| R300_C0_SEL_A
| R300_C2_SEL_R
;
510 case PIPE_FORMAT_R8G8_UNORM
:
511 case PIPE_FORMAT_R8G8_SNORM
:
512 return modifier
| R300_C0_SEL_G
| R300_C2_SEL_R
;
515 case PIPE_FORMAT_B5G6R5_UNORM
:
516 case PIPE_FORMAT_B5G5R5A1_UNORM
:
517 case PIPE_FORMAT_B5G5R5X1_UNORM
:
518 case PIPE_FORMAT_B4G4R4A4_UNORM
:
519 case PIPE_FORMAT_B4G4R4X4_UNORM
:
520 case PIPE_FORMAT_B8G8R8A8_UNORM
:
521 case PIPE_FORMAT_B8G8R8X8_UNORM
:
522 case PIPE_FORMAT_B10G10R10A2_UNORM
:
524 R300_C0_SEL_B
| R300_C1_SEL_G
|
525 R300_C2_SEL_R
| R300_C3_SEL_A
;
528 case PIPE_FORMAT_A8R8G8B8_UNORM
:
529 case PIPE_FORMAT_X8R8G8B8_UNORM
:
531 R300_C0_SEL_A
| R300_C1_SEL_R
|
532 R300_C2_SEL_G
| R300_C3_SEL_B
;
535 case PIPE_FORMAT_A8B8G8R8_UNORM
:
536 case PIPE_FORMAT_X8B8G8R8_UNORM
:
538 R300_C0_SEL_A
| R300_C1_SEL_B
|
539 R300_C2_SEL_G
| R300_C3_SEL_R
;
542 case PIPE_FORMAT_R8G8B8X8_UNORM
:
543 case PIPE_FORMAT_R8G8B8A8_SNORM
:
544 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
545 case PIPE_FORMAT_R10G10B10A2_UNORM
:
546 case PIPE_FORMAT_R10G10B10X2_SNORM
:
547 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
548 case PIPE_FORMAT_R16G16B16A16_UNORM
:
549 case PIPE_FORMAT_R16G16B16A16_SNORM
:
550 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
551 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
553 R300_C0_SEL_R
| R300_C1_SEL_G
|
554 R300_C2_SEL_B
| R300_C3_SEL_A
;
557 return ~0; /* Unsupported. */
561 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
563 return r300_translate_colorformat(format
) != ~0 &&
564 r300_translate_out_fmt(format
) != ~0;
567 boolean
r300_is_zs_format_supported(enum pipe_format format
)
569 return r300_translate_zsformat(format
) != ~0;
572 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
574 return r300_translate_texformat(format
, 0, TRUE
) != ~0;
577 void r300_texture_setup_format_state(struct r300_screen
*screen
,
578 struct r300_texture_desc
*desc
,
580 struct r300_texture_format_state
*out
)
582 struct pipe_resource
*pt
= &desc
->b
.b
;
583 boolean is_r500
= screen
->caps
.is_r500
;
585 /* Mask out all the fields we change. */
587 out
->format1
&= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK
;
588 out
->format2
&= R500_TXFORMAT_MSB
;
589 out
->tile_config
= 0;
591 /* Set sampler state. */
593 R300_TX_WIDTH((u_minify(desc
->width0
, level
) - 1) & 0x7ff) |
594 R300_TX_HEIGHT((u_minify(desc
->height0
, level
) - 1) & 0x7ff) |
595 R300_TX_DEPTH(util_logbase2(u_minify(desc
->depth0
, level
)) & 0xf);
597 if (desc
->uses_stride_addressing
) {
598 /* rectangles love this */
599 out
->format0
|= R300_TX_PITCH_EN
;
600 out
->format2
= (desc
->stride_in_pixels
[level
] - 1) & 0x1fff;
603 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
604 out
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
606 if (pt
->target
== PIPE_TEXTURE_3D
) {
607 out
->format1
|= R300_TX_FORMAT_3D
;
610 /* large textures on r500 */
613 if (desc
->width0
> 2048) {
614 out
->format2
|= R500_TXWIDTH_BIT11
;
616 if (desc
->height0
> 2048) {
617 out
->format2
|= R500_TXHEIGHT_BIT11
;
621 out
->tile_config
= R300_TXO_MACRO_TILE(desc
->macrotile
[level
]) |
622 R300_TXO_MICRO_TILE(desc
->microtile
);
625 static void r300_texture_setup_fb_state(struct r300_screen
* screen
,
626 struct r300_texture
* tex
)
630 /* Set framebuffer state. */
631 if (util_format_is_depth_or_stencil(tex
->desc
.b
.b
.format
)) {
632 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
633 tex
->fb_state
.pitch
[i
] =
634 tex
->desc
.stride_in_pixels
[i
] |
635 R300_DEPTHMACROTILE(tex
->desc
.macrotile
[i
]) |
636 R300_DEPTHMICROTILE(tex
->desc
.microtile
);
638 tex
->fb_state
.format
= r300_translate_zsformat(tex
->desc
.b
.b
.format
);
640 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
641 tex
->fb_state
.pitch
[i
] =
642 tex
->desc
.stride_in_pixels
[i
] |
643 r300_translate_colorformat(tex
->desc
.b
.b
.format
) |
644 R300_COLOR_TILE(tex
->desc
.macrotile
[i
]) |
645 R300_COLOR_MICROTILE(tex
->desc
.microtile
);
647 tex
->fb_state
.format
= r300_translate_out_fmt(tex
->desc
.b
.b
.format
);
651 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
652 struct pipe_resource
*tex
,
653 enum pipe_format new_format
)
655 struct r300_screen
*r300screen
= r300_screen(screen
);
657 SCREEN_DBG(r300screen
, DBG_TEX
,
658 "r300: texture_reinterpret_format: %s -> %s\n",
659 util_format_short_name(tex
->format
),
660 util_format_short_name(new_format
));
662 tex
->format
= new_format
;
664 r300_texture_setup_fb_state(r300_screen(screen
), r300_texture(tex
));
667 static unsigned r300_texture_is_referenced(struct pipe_context
*context
,
668 struct pipe_resource
*texture
,
669 unsigned face
, unsigned level
)
671 struct r300_context
*r300
= r300_context(context
);
672 struct r300_texture
*rtex
= (struct r300_texture
*)texture
;
674 if (r300
->rws
->cs_is_buffer_referenced(r300
->cs
,
675 rtex
->buffer
, R300_REF_CS
))
676 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
678 return PIPE_UNREFERENCED
;
681 static void r300_texture_destroy(struct pipe_screen
*screen
,
682 struct pipe_resource
* texture
)
684 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
685 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)texture
->screen
->winsys
;
688 rws
->buffer_reference(rws
, &tex
->buffer
, NULL
);
689 for (i
= 0; i
< R300_MAX_TEXTURE_LEVELS
; i
++) {
691 u_mmFreeMem(tex
->hiz_mem
[i
]);
692 if (tex
->zmask_mem
[i
])
693 u_mmFreeMem(tex
->zmask_mem
[i
]);
699 static boolean
r300_texture_get_handle(struct pipe_screen
* screen
,
700 struct pipe_resource
*texture
,
701 struct winsys_handle
*whandle
)
703 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
704 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
710 return rws
->buffer_get_handle(rws
, tex
->buffer
,
711 tex
->desc
.stride_in_bytes
[0], whandle
);
714 struct u_resource_vtbl r300_texture_vtbl
=
716 r300_texture_get_handle
, /* get_handle */
717 r300_texture_destroy
, /* resource_destroy */
718 r300_texture_is_referenced
, /* is_resource_referenced */
719 r300_texture_get_transfer
, /* get_transfer */
720 r300_texture_transfer_destroy
, /* transfer_destroy */
721 r300_texture_transfer_map
, /* transfer_map */
722 u_default_transfer_flush_region
, /* transfer_flush_region */
723 r300_texture_transfer_unmap
, /* transfer_unmap */
724 u_default_transfer_inline_write
/* transfer_inline_write */
727 /* The common texture constructor. */
728 static struct r300_texture
*
729 r300_texture_create_object(struct r300_screen
*rscreen
,
730 const struct pipe_resource
*base
,
731 enum r300_buffer_tiling microtile
,
732 enum r300_buffer_tiling macrotile
,
733 unsigned stride_in_bytes_override
,
734 unsigned max_buffer_size
,
735 struct r300_winsys_buffer
*buffer
)
737 struct r300_winsys_screen
*rws
= rscreen
->rws
;
738 struct r300_texture
*tex
= CALLOC_STRUCT(r300_texture
);
741 rws
->buffer_reference(rws
, &buffer
, NULL
);
745 /* Initialize the descriptor. */
746 if (!r300_texture_desc_init(rscreen
, &tex
->desc
, base
,
747 microtile
, macrotile
,
748 stride_in_bytes_override
,
751 rws
->buffer_reference(rws
, &buffer
, NULL
);
755 /* Initialize the hardware state. */
756 r300_texture_setup_format_state(rscreen
, &tex
->desc
, 0, &tex
->tx_format
);
757 r300_texture_setup_fb_state(rscreen
, tex
);
759 tex
->desc
.b
.vtbl
= &r300_texture_vtbl
;
760 pipe_reference_init(&tex
->desc
.b
.b
.reference
, 1);
761 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
?
763 R300_DOMAIN_VRAM
| R300_DOMAIN_GTT
;
764 tex
->buffer
= buffer
;
766 /* Create the backing buffer if needed. */
768 tex
->buffer
= rws
->buffer_create(rws
, tex
->desc
.size_in_bytes
, 2048,
769 base
->bind
, base
->usage
, tex
->domain
);
777 rws
->buffer_set_tiling(rws
, tex
->buffer
,
778 tex
->desc
.microtile
, tex
->desc
.macrotile
[0],
779 tex
->desc
.stride_in_bytes
[0]);
784 /* Create a new texture. */
785 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
786 const struct pipe_resource
*base
)
788 struct r300_screen
*rscreen
= r300_screen(screen
);
789 enum r300_buffer_tiling microtile
, macrotile
;
791 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
792 (base
->bind
& PIPE_BIND_SCANOUT
)) {
793 microtile
= R300_BUFFER_LINEAR
;
794 macrotile
= R300_BUFFER_LINEAR
;
796 microtile
= R300_BUFFER_SELECT_LAYOUT
;
797 macrotile
= R300_BUFFER_SELECT_LAYOUT
;
800 return (struct pipe_resource
*)
801 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
805 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
806 const struct pipe_resource
*base
,
807 struct winsys_handle
*whandle
)
809 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
810 struct r300_screen
*rscreen
= r300_screen(screen
);
811 struct r300_winsys_buffer
*buffer
;
812 enum r300_buffer_tiling microtile
, macrotile
;
813 unsigned stride
, size
;
815 /* Support only 2D textures without mipmaps */
816 if ((base
->target
!= PIPE_TEXTURE_2D
&&
817 base
->target
!= PIPE_TEXTURE_RECT
) ||
819 base
->last_level
!= 0) {
823 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
, &size
);
827 rws
->buffer_get_tiling(rws
, buffer
, µtile
, ¯otile
);
829 /* Enforce a microtiled zbuffer. */
830 if (util_format_is_depth_or_stencil(base
->format
) &&
831 microtile
== R300_BUFFER_LINEAR
) {
832 switch (util_format_get_blocksize(base
->format
)) {
834 microtile
= R300_BUFFER_TILED
;
838 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
))
839 microtile
= R300_BUFFER_SQUARETILED
;
844 return (struct pipe_resource
*)
845 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
846 stride
, size
, buffer
);
849 /* Not required to implement u_resource_vtbl, consider moving to another file:
851 struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
852 struct pipe_resource
* texture
,
858 struct r300_texture
* tex
= r300_texture(texture
);
859 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
862 uint32_t offset
, tile_height
;
864 pipe_reference_init(&surface
->base
.reference
, 1);
865 pipe_resource_reference(&surface
->base
.texture
, texture
);
866 surface
->base
.format
= texture
->format
;
867 surface
->base
.width
= u_minify(texture
->width0
, level
);
868 surface
->base
.height
= u_minify(texture
->height0
, level
);
869 surface
->base
.usage
= flags
;
870 surface
->base
.zslice
= zslice
;
871 surface
->base
.face
= face
;
872 surface
->base
.level
= level
;
874 surface
->buffer
= tex
->buffer
;
876 /* Prefer VRAM if there are multiple domains to choose from. */
877 surface
->domain
= tex
->domain
;
878 if (surface
->domain
& R300_DOMAIN_VRAM
)
879 surface
->domain
&= ~R300_DOMAIN_GTT
;
881 surface
->offset
= r300_texture_get_offset(&tex
->desc
,
882 level
, zslice
, face
);
883 surface
->pitch
= tex
->fb_state
.pitch
[level
];
884 surface
->format
= tex
->fb_state
.format
;
886 /* Parameters for the CBZB clear. */
887 surface
->cbzb_allowed
= tex
->desc
.cbzb_allowed
[level
];
888 surface
->cbzb_width
= align(surface
->base
.width
, 64);
890 /* Height must be aligned to the size of a tile. */
891 tile_height
= r300_get_pixel_alignment(tex
->desc
.b
.b
.format
,
892 tex
->desc
.b
.b
.nr_samples
,
894 tex
->desc
.macrotile
[level
],
897 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
900 /* Offset must be aligned to 2K and must point at the beginning
902 offset
= surface
->offset
+
903 tex
->desc
.stride_in_bytes
[level
] * surface
->cbzb_height
;
904 surface
->cbzb_midpoint_offset
= offset
& ~2047;
906 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
908 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
909 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
911 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
913 SCREEN_DBG(r300_screen(screen
), DBG_CBZB
,
914 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n",
915 surface
->cbzb_allowed
? "YES" : " NO",
916 surface
->cbzb_width
, surface
->cbzb_height
,
918 tex
->desc
.microtile
? "YES" : " NO",
919 tex
->desc
.macrotile
[level
] ? "YES" : " NO");
922 return &surface
->base
;
925 /* Not required to implement u_resource_vtbl, consider moving to another file:
927 void r300_tex_surface_destroy(struct pipe_surface
* s
)
929 pipe_resource_reference(&s
->texture
, NULL
);