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 /* 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, TRUE
) != ~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
->desc
.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
->desc
.uses_stride_addressing
) {
556 /* rectangles love this */
557 f
->format0
|= R300_TX_PITCH_EN
;
558 f
->format2
= (tex
->desc
.stride_in_pixels
[0] - 1) & 0x1fff;
560 /* Power of two textures (3D, mipmaps, and no pitch),
561 * also NPOT textures with a width being POT. */
562 f
->format0
|= R300_TX_DEPTH(util_logbase2(pt
->depth0
) & 0xf);
566 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
567 f
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
569 if (pt
->target
== PIPE_TEXTURE_3D
) {
570 f
->format1
|= R300_TX_FORMAT_3D
;
573 /* large textures on r500 */
576 if (pt
->width0
> 2048) {
577 f
->format2
|= R500_TXWIDTH_BIT11
;
579 if (pt
->height0
> 2048) {
580 f
->format2
|= R500_TXHEIGHT_BIT11
;
584 f
->tile_config
= R300_TXO_MACRO_TILE(tex
->desc
.macrotile
[0]) |
585 R300_TXO_MICRO_TILE(tex
->desc
.microtile
);
588 static void r300_texture_setup_fb_state(struct r300_screen
* screen
,
589 struct r300_texture
* tex
)
593 /* Set framebuffer state. */
594 if (util_format_is_depth_or_stencil(tex
->desc
.b
.b
.format
)) {
595 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
596 tex
->fb_state
.pitch
[i
] =
597 tex
->desc
.stride_in_pixels
[i
] |
598 R300_DEPTHMACROTILE(tex
->desc
.macrotile
[i
]) |
599 R300_DEPTHMICROTILE(tex
->desc
.microtile
);
601 tex
->fb_state
.format
= r300_translate_zsformat(tex
->desc
.b
.b
.format
);
603 for (i
= 0; i
<= tex
->desc
.b
.b
.last_level
; i
++) {
604 tex
->fb_state
.pitch
[i
] =
605 tex
->desc
.stride_in_pixels
[i
] |
606 r300_translate_colorformat(tex
->desc
.b
.b
.format
) |
607 R300_COLOR_TILE(tex
->desc
.macrotile
[i
]) |
608 R300_COLOR_MICROTILE(tex
->desc
.microtile
);
610 tex
->fb_state
.format
= r300_translate_out_fmt(tex
->desc
.b
.b
.format
);
614 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
615 struct pipe_resource
*tex
,
616 enum pipe_format new_format
)
618 struct r300_screen
*r300screen
= r300_screen(screen
);
620 SCREEN_DBG(r300screen
, DBG_TEX
,
621 "r300: texture_reinterpret_format: %s -> %s\n",
622 util_format_short_name(tex
->format
),
623 util_format_short_name(new_format
));
625 tex
->format
= new_format
;
627 r300_texture_setup_fb_state(r300_screen(screen
), r300_texture(tex
));
630 static unsigned r300_texture_is_referenced(struct pipe_context
*context
,
631 struct pipe_resource
*texture
,
632 unsigned face
, unsigned level
)
634 struct r300_context
*r300
= r300_context(context
);
635 struct r300_texture
*rtex
= (struct r300_texture
*)texture
;
637 if (r300
->rws
->cs_is_buffer_referenced(r300
->cs
,
638 rtex
->buffer
, R300_REF_CS
))
639 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
641 return PIPE_UNREFERENCED
;
644 static void r300_texture_destroy(struct pipe_screen
*screen
,
645 struct pipe_resource
* texture
)
647 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
648 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)texture
->screen
->winsys
;
651 rws
->buffer_reference(rws
, &tex
->buffer
, NULL
);
652 for (i
= 0; i
< R300_MAX_TEXTURE_LEVELS
; i
++) {
654 u_mmFreeMem(tex
->hiz_mem
[i
]);
655 if (tex
->zmask_mem
[i
])
656 u_mmFreeMem(tex
->zmask_mem
[i
]);
662 static boolean
r300_texture_get_handle(struct pipe_screen
* screen
,
663 struct pipe_resource
*texture
,
664 struct winsys_handle
*whandle
)
666 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
667 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
673 return rws
->buffer_get_handle(rws
, tex
->buffer
,
674 tex
->desc
.stride_in_bytes
[0], whandle
);
677 struct u_resource_vtbl r300_texture_vtbl
=
679 r300_texture_get_handle
, /* get_handle */
680 r300_texture_destroy
, /* resource_destroy */
681 r300_texture_is_referenced
, /* is_resource_referenced */
682 r300_texture_get_transfer
, /* get_transfer */
683 r300_texture_transfer_destroy
, /* transfer_destroy */
684 r300_texture_transfer_map
, /* transfer_map */
685 u_default_transfer_flush_region
, /* transfer_flush_region */
686 r300_texture_transfer_unmap
, /* transfer_unmap */
687 u_default_transfer_inline_write
/* transfer_inline_write */
690 /* The common texture constructor. */
691 static struct r300_texture
*
692 r300_texture_create_object(struct r300_screen
*rscreen
,
693 const struct pipe_resource
*base
,
694 enum r300_buffer_tiling microtile
,
695 enum r300_buffer_tiling macrotile
,
696 unsigned stride_in_bytes_override
,
697 unsigned max_buffer_size
,
698 struct r300_winsys_buffer
*buffer
)
700 struct r300_winsys_screen
*rws
= rscreen
->rws
;
701 struct r300_texture
*tex
= CALLOC_STRUCT(r300_texture
);
704 rws
->buffer_reference(rws
, &buffer
, NULL
);
708 /* Initialize the descriptor. */
709 if (!r300_texture_desc_init(rscreen
, &tex
->desc
, base
,
710 microtile
, macrotile
,
711 stride_in_bytes_override
,
714 rws
->buffer_reference(rws
, &buffer
, NULL
);
718 /* Initialize the hardware state. */
719 r300_texture_setup_immutable_state(rscreen
, tex
);
720 r300_texture_setup_fb_state(rscreen
, tex
);
722 tex
->desc
.b
.vtbl
= &r300_texture_vtbl
;
723 pipe_reference_init(&tex
->desc
.b
.b
.reference
, 1);
724 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
?
726 R300_DOMAIN_VRAM
| R300_DOMAIN_GTT
;
727 tex
->buffer
= buffer
;
729 /* Create the backing buffer if needed. */
731 tex
->buffer
= rws
->buffer_create(rws
, tex
->desc
.size_in_bytes
, 2048,
732 base
->bind
, base
->usage
, tex
->domain
);
740 rws
->buffer_set_tiling(rws
, tex
->buffer
,
741 tex
->desc
.microtile
, tex
->desc
.macrotile
[0],
742 tex
->desc
.stride_in_bytes
[0]);
747 /* Create a new texture. */
748 struct pipe_resource
*r300_texture_create(struct pipe_screen
*screen
,
749 const struct pipe_resource
*base
)
751 struct r300_screen
*rscreen
= r300_screen(screen
);
752 enum r300_buffer_tiling microtile
, macrotile
;
754 /* Refuse to create a texture with size 0. */
756 (!base
->height0
&& (base
->target
== PIPE_TEXTURE_2D
||
757 base
->target
== PIPE_TEXTURE_CUBE
)) ||
758 (!base
->depth0
&& base
->target
== PIPE_TEXTURE_3D
)) {
759 fprintf(stderr
, "r300: texture_create: "
760 "Got invalid texture dimensions: %ix%ix%i\n",
761 base
->width0
, base
->height0
, base
->depth0
);
765 if ((base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) ||
766 (base
->bind
& PIPE_BIND_SCANOUT
)) {
767 microtile
= R300_BUFFER_LINEAR
;
768 macrotile
= R300_BUFFER_LINEAR
;
770 microtile
= R300_BUFFER_SELECT_LAYOUT
;
771 macrotile
= R300_BUFFER_SELECT_LAYOUT
;
774 return (struct pipe_resource
*)
775 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
779 struct pipe_resource
*r300_texture_from_handle(struct pipe_screen
*screen
,
780 const struct pipe_resource
*base
,
781 struct winsys_handle
*whandle
)
783 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
784 struct r300_screen
*rscreen
= r300_screen(screen
);
785 struct r300_winsys_buffer
*buffer
;
786 enum r300_buffer_tiling microtile
, macrotile
;
787 unsigned stride
, size
;
789 /* Support only 2D textures without mipmaps */
790 if (base
->target
!= PIPE_TEXTURE_2D
||
792 base
->last_level
!= 0) {
796 buffer
= rws
->buffer_from_handle(rws
, whandle
, &stride
, &size
);
800 rws
->buffer_get_tiling(rws
, buffer
, µtile
, ¯otile
);
802 /* Enforce a microtiled zbuffer. */
803 if (util_format_is_depth_or_stencil(base
->format
) &&
804 microtile
== R300_BUFFER_LINEAR
) {
805 switch (util_format_get_blocksize(base
->format
)) {
807 microtile
= R300_BUFFER_TILED
;
811 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
))
812 microtile
= R300_BUFFER_SQUARETILED
;
817 return (struct pipe_resource
*)
818 r300_texture_create_object(rscreen
, base
, microtile
, macrotile
,
819 stride
, size
, buffer
);
822 /* Not required to implement u_resource_vtbl, consider moving to another file:
824 struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
825 struct pipe_resource
* texture
,
831 struct r300_texture
* tex
= r300_texture(texture
);
832 struct r300_surface
* surface
= CALLOC_STRUCT(r300_surface
);
835 uint32_t offset
, tile_height
;
837 pipe_reference_init(&surface
->base
.reference
, 1);
838 pipe_resource_reference(&surface
->base
.texture
, texture
);
839 surface
->base
.format
= texture
->format
;
840 surface
->base
.width
= u_minify(texture
->width0
, level
);
841 surface
->base
.height
= u_minify(texture
->height0
, level
);
842 surface
->base
.usage
= flags
;
843 surface
->base
.zslice
= zslice
;
844 surface
->base
.face
= face
;
845 surface
->base
.level
= level
;
847 surface
->buffer
= tex
->buffer
;
849 /* Prefer VRAM if there are multiple domains to choose from. */
850 surface
->domain
= tex
->domain
;
851 if (surface
->domain
& R300_DOMAIN_VRAM
)
852 surface
->domain
&= ~R300_DOMAIN_GTT
;
854 surface
->offset
= r300_texture_get_offset(&tex
->desc
,
855 level
, zslice
, face
);
856 surface
->pitch
= tex
->fb_state
.pitch
[level
];
857 surface
->format
= tex
->fb_state
.format
;
859 /* Parameters for the CBZB clear. */
860 surface
->cbzb_allowed
= tex
->desc
.cbzb_allowed
[level
];
861 surface
->cbzb_width
= align(surface
->base
.width
, 64);
863 /* Height must be aligned to the size of a tile. */
864 tile_height
= r300_get_pixel_alignment(tex
->desc
.b
.b
.format
,
865 tex
->desc
.b
.b
.nr_samples
,
867 tex
->desc
.macrotile
[level
],
870 surface
->cbzb_height
= align((surface
->base
.height
+ 1) / 2,
873 /* Offset must be aligned to 2K and must point at the beginning
875 offset
= surface
->offset
+
876 tex
->desc
.stride_in_bytes
[level
] * surface
->cbzb_height
;
877 surface
->cbzb_midpoint_offset
= offset
& ~2047;
879 surface
->cbzb_pitch
= surface
->pitch
& 0x1ffffc;
881 if (util_format_get_blocksizebits(surface
->base
.format
) == 32)
882 surface
->cbzb_format
= R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
884 surface
->cbzb_format
= R300_DEPTHFORMAT_16BIT_INT_Z
;
886 SCREEN_DBG(r300_screen(screen
), DBG_CBZB
,
887 "CBZB Dim: %ix%i, Misalignment: %i, Macro: %s\n",
888 surface
->cbzb_width
, surface
->cbzb_height
,
890 tex
->desc
.macrotile
[level
] ? "YES" : " NO");
893 return &surface
->base
;
896 /* Not required to implement u_resource_vtbl, consider moving to another file:
898 void r300_tex_surface_destroy(struct pipe_surface
* s
)
900 pipe_resource_reference(&s
->texture
, NULL
);