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 #include "pipe/p_screen.h"
26 #include "util/u_format.h"
27 #include "util/u_format_s3tc.h"
28 #include "util/u_math.h"
29 #include "util/u_memory.h"
31 #include "r300_context.h"
33 #include "r300_texture.h"
34 #include "r300_transfer.h"
35 #include "r300_screen.h"
36 #include "r300_winsys.h"
41 static const unsigned microblock_table
[5][3][2] = {
42 /*linear tiled square-tiled */
43 {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
44 {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
45 {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
46 {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
47 {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
50 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format
,
51 const unsigned char *swizzle_view
)
54 unsigned char swizzle
[4];
56 const uint32_t swizzle_shift
[4] = {
57 R300_TX_FORMAT_R_SHIFT
,
58 R300_TX_FORMAT_G_SHIFT
,
59 R300_TX_FORMAT_B_SHIFT
,
60 R300_TX_FORMAT_A_SHIFT
62 const uint32_t swizzle_bit
[4] = {
70 /* Combine two sets of swizzles. */
71 for (i
= 0; i
< 4; i
++) {
72 swizzle
[i
] = swizzle_view
[i
] <= UTIL_FORMAT_SWIZZLE_W
?
73 swizzle_format
[swizzle_view
[i
]] : swizzle_view
[i
];
76 memcpy(swizzle
, swizzle_format
, 4);
80 for (i
= 0; i
< 4; i
++) {
82 case UTIL_FORMAT_SWIZZLE_Y
:
83 result
|= swizzle_bit
[1] << swizzle_shift
[i
];
85 case UTIL_FORMAT_SWIZZLE_Z
:
86 result
|= swizzle_bit
[2] << swizzle_shift
[i
];
88 case UTIL_FORMAT_SWIZZLE_W
:
89 result
|= swizzle_bit
[3] << swizzle_shift
[i
];
91 case UTIL_FORMAT_SWIZZLE_0
:
92 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
94 case UTIL_FORMAT_SWIZZLE_1
:
95 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
97 default: /* UTIL_FORMAT_SWIZZLE_X */
98 result
|= swizzle_bit
[0] << swizzle_shift
[i
];
104 /* Translate a pipe_format into a useful texture format for sampling.
106 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
107 * but the majority of them is translated in a generic way, automatically
108 * supporting all the formats hw can support.
110 * R300_EASY_TX_FORMAT swizzles the texture.
111 * Note the signature of R300_EASY_TX_FORMAT:
112 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
114 * The FORMAT specifies how the texture sampler will treat the texture, and
115 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
116 uint32_t r300_translate_texformat(enum pipe_format format
,
117 const unsigned char *swizzle_view
)
120 const struct util_format_description
*desc
;
122 boolean uniform
= TRUE
;
123 const uint32_t sign_bit
[4] = {
124 R300_TX_FORMAT_SIGNED_X
,
125 R300_TX_FORMAT_SIGNED_Y
,
126 R300_TX_FORMAT_SIGNED_Z
,
127 R300_TX_FORMAT_SIGNED_W
,
130 desc
= util_format_description(format
);
132 /* Colorspace (return non-RGB formats directly). */
133 switch (desc
->colorspace
) {
134 /* Depth stencil formats.
135 * Swizzles are added in r300_merge_textures_and_samplers. */
136 case UTIL_FORMAT_COLORSPACE_ZS
:
138 case PIPE_FORMAT_Z16_UNORM
:
139 return R300_TX_FORMAT_X16
;
140 case PIPE_FORMAT_X8Z24_UNORM
:
141 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
142 return R300_TX_FORMAT_W24_FP
;
144 return ~0; /* Unsupported. */
148 case UTIL_FORMAT_COLORSPACE_YUV
:
149 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
152 case PIPE_FORMAT_UYVY
:
153 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
154 case PIPE_FORMAT_YUYV
:
155 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
157 return ~0; /* Unsupported/unknown. */
160 /* Add gamma correction. */
161 case UTIL_FORMAT_COLORSPACE_SRGB
:
162 result
|= R300_TX_FORMAT_GAMMA
;
167 /* Same as YUV but without the YUR->RGB conversion. */
168 case PIPE_FORMAT_R8G8_B8G8_UNORM
:
169 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
170 case PIPE_FORMAT_G8R8_G8B8_UNORM
:
171 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
176 result
|= r300_get_swizzle_combined(desc
->swizzle
, swizzle_view
);
179 if (desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
180 if (!util_format_s3tc_enabled
) {
181 return ~0; /* Unsupported. */
185 case PIPE_FORMAT_DXT1_RGB
:
186 case PIPE_FORMAT_DXT1_RGBA
:
187 case PIPE_FORMAT_DXT1_SRGB
:
188 case PIPE_FORMAT_DXT1_SRGBA
:
189 return R300_TX_FORMAT_DXT1
| result
;
190 case PIPE_FORMAT_DXT3_RGBA
:
191 case PIPE_FORMAT_DXT3_SRGBA
:
192 return R300_TX_FORMAT_DXT3
| result
;
193 case PIPE_FORMAT_DXT5_RGBA
:
194 case PIPE_FORMAT_DXT5_SRGBA
:
195 return R300_TX_FORMAT_DXT5
| result
;
197 return ~0; /* Unsupported/unknown. */
202 for (i
= 0; i
< desc
->nr_channels
; i
++) {
203 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
204 result
|= sign_bit
[i
];
208 /* This is truly a special format.
209 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
210 * in the sampler unit. Also known as D3DFMT_CxV8U8. */
211 if (format
== PIPE_FORMAT_R8G8Bx_SNORM
) {
212 return R300_TX_FORMAT_CxV8U8
| result
;
216 if (desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
218 case PIPE_FORMAT_RGTC1_UNORM
:
219 case PIPE_FORMAT_RGTC1_SNORM
:
220 return R500_TX_FORMAT_ATI1N
| result
;
221 case PIPE_FORMAT_RGTC2_UNORM
:
222 case PIPE_FORMAT_RGTC2_SNORM
:
223 return R400_TX_FORMAT_ATI2N
| result
;
225 return ~0; /* Unsupported/unknown. */
229 /* See whether the components are of the same size. */
230 for (i
= 1; i
< desc
->nr_channels
; i
++) {
231 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
234 /* Non-uniform formats. */
236 switch (desc
->nr_channels
) {
238 if (desc
->channel
[0].size
== 5 &&
239 desc
->channel
[1].size
== 6 &&
240 desc
->channel
[2].size
== 5) {
241 return R300_TX_FORMAT_Z5Y6X5
| result
;
243 if (desc
->channel
[0].size
== 5 &&
244 desc
->channel
[1].size
== 5 &&
245 desc
->channel
[2].size
== 6) {
246 return R300_TX_FORMAT_Z6Y5X5
| result
;
248 return ~0; /* Unsupported/unknown. */
251 if (desc
->channel
[0].size
== 5 &&
252 desc
->channel
[1].size
== 5 &&
253 desc
->channel
[2].size
== 5 &&
254 desc
->channel
[3].size
== 1) {
255 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
257 if (desc
->channel
[0].size
== 10 &&
258 desc
->channel
[1].size
== 10 &&
259 desc
->channel
[2].size
== 10 &&
260 desc
->channel
[3].size
== 2) {
261 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
264 return ~0; /* Unsupported/unknown. */
267 /* And finally, uniform formats. */
268 switch (desc
->channel
[0].type
) {
269 case UTIL_FORMAT_TYPE_UNSIGNED
:
270 case UTIL_FORMAT_TYPE_SIGNED
:
271 if (!desc
->channel
[0].normalized
&&
272 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
276 switch (desc
->channel
[0].size
) {
278 switch (desc
->nr_channels
) {
280 return R300_TX_FORMAT_Y4X4
| result
;
282 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
287 switch (desc
->nr_channels
) {
289 return R300_TX_FORMAT_X8
| result
;
291 return R300_TX_FORMAT_Y8X8
| result
;
293 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
298 switch (desc
->nr_channels
) {
300 return R300_TX_FORMAT_X16
| result
;
302 return R300_TX_FORMAT_Y16X16
| result
;
304 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
309 case UTIL_FORMAT_TYPE_FLOAT
:
310 switch (desc
->channel
[0].size
) {
312 switch (desc
->nr_channels
) {
314 return R300_TX_FORMAT_16F
| result
;
316 return R300_TX_FORMAT_16F_16F
| result
;
318 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
323 switch (desc
->nr_channels
) {
325 return R300_TX_FORMAT_32F
| result
;
327 return R300_TX_FORMAT_32F_32F
| result
;
329 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
334 return ~0; /* Unsupported/unknown. */
337 uint32_t r500_tx_format_msb_bit(enum pipe_format format
)
340 case PIPE_FORMAT_RGTC1_UNORM
:
341 case PIPE_FORMAT_RGTC1_SNORM
:
342 return R500_TXFORMAT_MSB
;
348 /* Buffer formats. */
350 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
351 * output. For the swizzling of the targets, check the shader's format. */
352 static uint32_t r300_translate_colorformat(enum pipe_format format
)
356 case PIPE_FORMAT_A8_UNORM
:
357 case PIPE_FORMAT_I8_UNORM
:
358 case PIPE_FORMAT_L8_UNORM
:
359 case PIPE_FORMAT_R8_UNORM
:
360 case PIPE_FORMAT_R8_SNORM
:
361 return R300_COLOR_FORMAT_I8
;
363 /* 16-bit buffers. */
364 case PIPE_FORMAT_B5G6R5_UNORM
:
365 return R300_COLOR_FORMAT_RGB565
;
367 case PIPE_FORMAT_B5G5R5A1_UNORM
:
368 case PIPE_FORMAT_B5G5R5X1_UNORM
:
369 return R300_COLOR_FORMAT_ARGB1555
;
371 case PIPE_FORMAT_B4G4R4A4_UNORM
:
372 case PIPE_FORMAT_B4G4R4X4_UNORM
:
373 return R300_COLOR_FORMAT_ARGB4444
;
375 /* 32-bit buffers. */
376 case PIPE_FORMAT_B8G8R8A8_UNORM
:
377 case PIPE_FORMAT_B8G8R8X8_UNORM
:
378 case PIPE_FORMAT_A8R8G8B8_UNORM
:
379 case PIPE_FORMAT_X8R8G8B8_UNORM
:
380 case PIPE_FORMAT_A8B8G8R8_UNORM
:
381 case PIPE_FORMAT_R8G8B8A8_SNORM
:
382 case PIPE_FORMAT_X8B8G8R8_UNORM
:
383 case PIPE_FORMAT_R8G8B8X8_UNORM
:
384 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
385 return R300_COLOR_FORMAT_ARGB8888
;
387 case PIPE_FORMAT_R10G10B10A2_UNORM
:
388 case PIPE_FORMAT_R10G10B10X2_SNORM
:
389 case PIPE_FORMAT_B10G10R10A2_UNORM
:
390 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
391 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
393 /* 64-bit buffers. */
394 case PIPE_FORMAT_R16G16B16A16_UNORM
:
395 case PIPE_FORMAT_R16G16B16A16_SNORM
:
396 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
397 return R300_COLOR_FORMAT_ARGB16161616
;
399 /* 128-bit buffers. */
400 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
401 return R300_COLOR_FORMAT_ARGB32323232
;
404 case PIPE_FORMAT_UYVY
:
405 return R300_COLOR_FORMAT_YVYU
;
406 case PIPE_FORMAT_YUYV
:
407 return R300_COLOR_FORMAT_VYUY
;
409 return ~0; /* Unsupported. */
413 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
414 static uint32_t r300_translate_zsformat(enum pipe_format format
)
417 /* 16-bit depth, no stencil */
418 case PIPE_FORMAT_Z16_UNORM
:
419 return R300_DEPTHFORMAT_16BIT_INT_Z
;
420 /* 24-bit depth, ignored stencil */
421 case PIPE_FORMAT_X8Z24_UNORM
:
422 /* 24-bit depth, 8-bit stencil */
423 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
424 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
426 return ~0; /* Unsupported. */
430 /* Shader output formats. This is essentially the swizzle from the shader
433 * Note that formats are stored from C3 to C0. */
434 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
436 uint32_t modifier
= 0;
438 const struct util_format_description
*desc
;
439 static const uint32_t sign_bit
[4] = {
446 desc
= util_format_description(format
);
448 /* Specifies how the shader output is written to the fog unit. */
449 if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_FLOAT
) {
450 if (desc
->channel
[0].size
== 32) {
451 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
453 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
456 if (desc
->channel
[0].size
== 16) {
457 modifier
|= R300_US_OUT_FMT_C4_16
;
459 /* C4_8 seems to be used for the formats whose pixel size
461 modifier
|= R300_US_OUT_FMT_C4_8
;
466 for (i
= 0; i
< 4; i
++)
467 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
468 modifier
|= sign_bit
[i
];
471 /* Add swizzles and return. */
474 * COLORFORMAT_I8 stores the C2 component. */
475 case PIPE_FORMAT_A8_UNORM
:
476 return modifier
| R300_C2_SEL_A
;
477 case PIPE_FORMAT_I8_UNORM
:
478 case PIPE_FORMAT_L8_UNORM
:
479 case PIPE_FORMAT_R8_UNORM
:
480 case PIPE_FORMAT_R8_SNORM
:
481 return modifier
| R300_C2_SEL_R
;
484 case PIPE_FORMAT_B5G6R5_UNORM
:
485 case PIPE_FORMAT_B5G5R5A1_UNORM
:
486 case PIPE_FORMAT_B5G5R5X1_UNORM
:
487 case PIPE_FORMAT_B4G4R4A4_UNORM
:
488 case PIPE_FORMAT_B4G4R4X4_UNORM
:
489 case PIPE_FORMAT_B8G8R8A8_UNORM
:
490 case PIPE_FORMAT_B8G8R8X8_UNORM
:
491 case PIPE_FORMAT_B10G10R10A2_UNORM
:
493 R300_C0_SEL_B
| R300_C1_SEL_G
|
494 R300_C2_SEL_R
| R300_C3_SEL_A
;
497 case PIPE_FORMAT_A8R8G8B8_UNORM
:
498 case PIPE_FORMAT_X8R8G8B8_UNORM
:
500 R300_C0_SEL_A
| R300_C1_SEL_R
|
501 R300_C2_SEL_G
| R300_C3_SEL_B
;
504 case PIPE_FORMAT_A8B8G8R8_UNORM
:
505 case PIPE_FORMAT_X8B8G8R8_UNORM
:
507 R300_C0_SEL_A
| R300_C1_SEL_B
|
508 R300_C2_SEL_G
| R300_C3_SEL_R
;
511 case PIPE_FORMAT_R8G8B8X8_UNORM
:
512 case PIPE_FORMAT_R8G8B8A8_SNORM
:
513 case PIPE_FORMAT_R8SG8SB8UX8U_NORM
:
514 case PIPE_FORMAT_R10G10B10A2_UNORM
:
515 case PIPE_FORMAT_R10G10B10X2_SNORM
:
516 case PIPE_FORMAT_R10SG10SB10SA2U_NORM
:
517 case PIPE_FORMAT_R16G16B16A16_UNORM
:
518 case PIPE_FORMAT_R16G16B16A16_SNORM
:
519 case PIPE_FORMAT_R16G16B16A16_FLOAT
:
520 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
522 R300_C0_SEL_R
| R300_C1_SEL_G
|
523 R300_C2_SEL_B
| R300_C3_SEL_A
;
526 return ~0; /* Unsupported. */
530 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
532 return r300_translate_colorformat(format
) != ~0 &&
533 r300_translate_out_fmt(format
) != ~0;
536 boolean
r300_is_zs_format_supported(enum pipe_format format
)
538 return r300_translate_zsformat(format
) != ~0;
541 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
543 return r300_translate_texformat(format
, 0) != ~0;
546 static void r300_texture_setup_immutable_state(struct r300_screen
* screen
,
547 struct r300_texture
* tex
)
549 struct r300_texture_format_state
* f
= &tex
->tx_format
;
550 struct pipe_resource
*pt
= &tex
->b
.b
;
551 boolean is_r500
= screen
->caps
.is_r500
;
553 /* Set sampler state. */
554 f
->format0
= R300_TX_WIDTH((pt
->width0
- 1) & 0x7ff) |
555 R300_TX_HEIGHT((pt
->height0
- 1) & 0x7ff);
557 if (tex
->uses_pitch
) {
558 /* rectangles love this */
559 f
->format0
|= R300_TX_PITCH_EN
;
560 f
->format2
= (tex
->hwpitch
[0] - 1) & 0x1fff;
562 /* power of two textures (3D, mipmaps, and no pitch) */
563 f
->format0
|= R300_TX_DEPTH(util_logbase2(pt
->depth0
) & 0xf);
567 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
568 f
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
570 if (pt
->target
== PIPE_TEXTURE_3D
) {
571 f
->format1
|= R300_TX_FORMAT_3D
;
574 /* large textures on r500 */
577 if (pt
->width0
> 2048) {
578 f
->format2
|= R500_TXWIDTH_BIT11
;
580 if (pt
->height0
> 2048) {
581 f
->format2
|= R500_TXHEIGHT_BIT11
;
585 f
->tile_config
= R300_TXO_MACRO_TILE(tex
->macrotile
) |
586 R300_TXO_MICRO_TILE(tex
->microtile
);
589 static void r300_texture_setup_fb_state(struct r300_screen
* screen
,
590 struct r300_texture
* tex
)
594 /* Set framebuffer state. */
595 if (util_format_is_depth_or_stencil(tex
->b
.b
.format
)) {
596 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
597 tex
->fb_state
.depthpitch
[i
] =
599 R300_DEPTHMACROTILE(tex
->mip_macrotile
[i
]) |
600 R300_DEPTHMICROTILE(tex
->microtile
);
602 tex
->fb_state
.zb_format
= r300_translate_zsformat(tex
->b
.b
.format
);
604 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
605 tex
->fb_state
.colorpitch
[i
] =
607 r300_translate_colorformat(tex
->b
.b
.format
) |
608 R300_COLOR_TILE(tex
->mip_macrotile
[i
]) |
609 R300_COLOR_MICROTILE(tex
->microtile
);
611 tex
->fb_state
.us_out_fmt
= r300_translate_out_fmt(tex
->b
.b
.format
);
615 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
616 struct pipe_resource
*tex
,
617 enum pipe_format new_format
)
619 struct r300_screen
*r300screen
= r300_screen(screen
);
621 SCREEN_DBG(r300screen
, DBG_TEX
, "r300: texture_reinterpret_format: %s -> %s\n",
622 util_format_short_name(tex
->format
), 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);
650 * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
651 * of the given texture.
653 static unsigned r300_texture_get_tile_size(struct r300_texture
* tex
,
654 int dim
, boolean macrotile
)
656 unsigned pixsize
, tile_size
;
658 pixsize
= util_format_get_blocksize(tex
->b
.b
.format
);
659 tile_size
= microblock_table
[util_logbase2(pixsize
)][tex
->microtile
][dim
];
669 /* Return true if macrotiling should be enabled on the miplevel. */
670 static boolean
r300_texture_macro_switch(struct r300_texture
*tex
,
675 unsigned tile
, texdim
;
677 tile
= r300_texture_get_tile_size(tex
, dim
, TRUE
);
678 if (dim
== TILE_WIDTH
) {
679 texdim
= u_minify(tex
->b
.b
.width0
, level
);
681 texdim
= u_minify(tex
->b
.b
.height0
, level
);
684 /* See TX_FILTER1_n.MACRO_SWITCH. */
686 return texdim
>= tile
;
688 return texdim
> tile
;
693 * Return the stride, in bytes, of the texture images of the given texture
694 * at the given level.
696 unsigned r300_texture_get_stride(struct r300_screen
* screen
,
697 struct r300_texture
* tex
, unsigned level
)
699 unsigned tile_width
, width
;
701 if (tex
->stride_override
)
702 return tex
->stride_override
;
704 /* Check the level. */
705 if (level
> tex
->b
.b
.last_level
) {
706 SCREEN_DBG(screen
, DBG_TEX
, "%s: level (%u) > last_level (%u)\n",
707 __FUNCTION__
, level
, tex
->b
.b
.last_level
);
711 width
= u_minify(tex
->b
.b
.width0
, level
);
713 if (util_format_is_plain(tex
->b
.b
.format
)) {
714 tile_width
= r300_texture_get_tile_size(tex
, TILE_WIDTH
,
715 tex
->mip_macrotile
[level
]);
716 width
= align(width
, tile_width
);
718 return util_format_get_stride(tex
->b
.b
.format
, width
);
720 return align(util_format_get_stride(tex
->b
.b
.format
, width
), 32);
724 static unsigned r300_texture_get_nblocksy(struct r300_texture
* tex
,
727 unsigned height
, tile_height
;
729 height
= u_minify(tex
->b
.b
.height0
, level
);
731 if (util_format_is_plain(tex
->b
.b
.format
)) {
732 tile_height
= r300_texture_get_tile_size(tex
, TILE_HEIGHT
,
733 tex
->mip_macrotile
[level
]);
734 height
= align(height
, tile_height
);
736 /* This is needed for the kernel checker, unfortunately. */
737 height
= util_next_power_of_two(height
);
740 return util_format_get_nblocksy(tex
->b
.b
.format
, height
);
743 static void r300_texture_3d_fix_mipmapping(struct r300_screen
*screen
,
744 struct r300_texture
*tex
)
746 /* The kernels <= 2.6.34-rc4 compute the size of mipmapped 3D textures
747 * incorrectly. This is a workaround to prevent CS from being rejected. */
751 if (!screen
->rws
->get_value(screen
->rws
, R300_VID_DRM_2_3_0
) &&
752 tex
->b
.b
.target
== PIPE_TEXTURE_3D
&&
753 tex
->b
.b
.last_level
> 0) {
756 for (i
= 0; i
<= tex
->b
.b
.last_level
; i
++) {
757 size
+= r300_texture_get_stride(screen
, tex
, i
) *
758 r300_texture_get_nblocksy(tex
, i
);
761 size
*= tex
->b
.b
.depth0
;
766 static void r300_setup_miptree(struct r300_screen
* screen
,
767 struct r300_texture
* tex
)
769 struct pipe_resource
* base
= &tex
->b
.b
;
770 unsigned stride
, size
, layer_size
, nblocksy
, i
;
771 boolean rv350_mode
= screen
->caps
.is_rv350
;
773 SCREEN_DBG(screen
, DBG_TEXALLOC
, "r300: Making miptree for texture, format %s\n",
774 util_format_short_name(base
->format
));
776 for (i
= 0; i
<= base
->last_level
; i
++) {
777 /* Let's see if this miplevel can be macrotiled. */
778 tex
->mip_macrotile
[i
] =
779 (tex
->macrotile
== R300_BUFFER_TILED
&&
780 r300_texture_macro_switch(tex
, i
, rv350_mode
, TILE_WIDTH
) &&
781 r300_texture_macro_switch(tex
, i
, rv350_mode
, TILE_HEIGHT
)) ?
782 R300_BUFFER_TILED
: R300_BUFFER_LINEAR
;
784 stride
= r300_texture_get_stride(screen
, tex
, i
);
785 nblocksy
= r300_texture_get_nblocksy(tex
, i
);
786 layer_size
= stride
* nblocksy
;
788 if (base
->target
== PIPE_TEXTURE_CUBE
)
789 size
= layer_size
* 6;
791 size
= layer_size
* u_minify(base
->depth0
, i
);
793 tex
->offset
[i
] = tex
->size
;
794 tex
->size
= tex
->offset
[i
] + size
;
795 tex
->layer_size
[i
] = layer_size
;
796 tex
->pitch
[i
] = stride
/ util_format_get_blocksize(base
->format
);
798 tex
->pitch
[i
] * util_format_get_blockwidth(base
->format
);
800 SCREEN_DBG(screen
, DBG_TEXALLOC
, "r300: Texture miptree: Level %d "
801 "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
802 i
, u_minify(base
->width0
, i
), u_minify(base
->height0
, i
),
803 u_minify(base
->depth0
, i
), stride
, tex
->size
,
804 tex
->mip_macrotile
[i
] ? "TRUE" : "FALSE");
808 static void r300_setup_flags(struct r300_texture
* tex
)
810 tex
->uses_pitch
= !util_is_power_of_two(tex
->b
.b
.width0
) ||
811 !util_is_power_of_two(tex
->b
.b
.height0
) ||
812 tex
->stride_override
;
815 static void r300_setup_tiling(struct pipe_screen
*screen
,
816 struct r300_texture
*tex
)
818 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
819 enum pipe_format format
= tex
->b
.b
.format
;
820 boolean rv350_mode
= r300_screen(screen
)->caps
.is_rv350
;
821 boolean is_zb
= util_format_is_depth_or_stencil(format
);
822 boolean dbg_no_tiling
= SCREEN_DBG_ON(r300_screen(screen
), DBG_NO_TILING
);
824 if (!util_format_is_plain(format
)) {
828 /* If height == 1, disable microtiling except for zbuffer. */
829 if (!is_zb
&& (tex
->b
.b
.height0
== 1 || dbg_no_tiling
)) {
833 /* Set microtiling. */
834 switch (util_format_get_blocksize(format
)) {
837 tex
->microtile
= R300_BUFFER_TILED
;
842 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
)) {
843 tex
->microtile
= R300_BUFFER_SQUARETILED
;
852 /* Set macrotiling. */
853 if (r300_texture_macro_switch(tex
, 0, rv350_mode
, TILE_WIDTH
) &&
854 r300_texture_macro_switch(tex
, 0, rv350_mode
, TILE_HEIGHT
)) {
855 tex
->macrotile
= R300_BUFFER_TILED
;
859 static unsigned r300_texture_is_referenced(struct pipe_context
*context
,
860 struct pipe_resource
*texture
,
861 unsigned face
, unsigned level
)
863 struct r300_context
*r300
= r300_context(context
);
864 struct r300_texture
*rtex
= (struct r300_texture
*)texture
;
866 if (r300
->rws
->is_buffer_referenced(r300
->rws
, rtex
->buffer
, R300_REF_CS
))
867 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
869 return PIPE_UNREFERENCED
;
872 static void r300_texture_destroy(struct pipe_screen
*screen
,
873 struct pipe_resource
* texture
)
875 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
876 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)texture
->screen
->winsys
;
878 rws
->buffer_reference(rws
, &tex
->buffer
, NULL
);
882 static boolean
r300_texture_get_handle(struct pipe_screen
* screen
,
883 struct pipe_resource
*texture
,
884 struct winsys_handle
*whandle
)
886 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
887 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
894 stride
= r300_texture_get_stride(r300_screen(screen
), tex
, 0);
896 rws
->buffer_get_handle(rws
, tex
->buffer
, stride
, whandle
);
901 struct u_resource_vtbl r300_texture_vtbl
=
903 r300_texture_get_handle
, /* get_handle */
904 r300_texture_destroy
, /* resource_destroy */
905 r300_texture_is_referenced
, /* is_resource_referenced */
906 r300_texture_get_transfer
, /* get_transfer */
907 r300_texture_transfer_destroy
, /* transfer_destroy */
908 r300_texture_transfer_map
, /* transfer_map */
909 u_default_transfer_flush_region
, /* transfer_flush_region */
910 r300_texture_transfer_unmap
, /* transfer_unmap */
911 u_default_transfer_inline_write
/* transfer_inline_write */
914 /* Create a new texture. */
915 struct pipe_resource
* r300_texture_create(struct pipe_screen
* screen
,
916 const struct pipe_resource
* base
)
918 struct r300_texture
* tex
= CALLOC_STRUCT(r300_texture
);
919 struct r300_screen
* rscreen
= r300_screen(screen
);
920 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
926 /* Refuse to create a texture with size 0. */
928 (!base
->height0
&& (base
->target
== PIPE_TEXTURE_2D
||
929 base
->target
== PIPE_TEXTURE_CUBE
)) ||
930 (!base
->depth0
&& base
->target
== PIPE_TEXTURE_3D
)) {
931 fprintf(stderr
, "r300: texture_create: "
932 "Got invalid texture dimensions: %ix%ix%i\n",
933 base
->width0
, base
->height0
, base
->depth0
);
939 tex
->b
.vtbl
= &r300_texture_vtbl
;
940 pipe_reference_init(&tex
->b
.b
.reference
, 1);
941 tex
->b
.b
.screen
= screen
;
943 r300_setup_flags(tex
);
944 if (!(base
->flags
& R300_RESOURCE_FLAG_TRANSFER
) &&
945 !(base
->bind
& PIPE_BIND_SCANOUT
)) {
946 r300_setup_tiling(screen
, tex
);
948 r300_setup_miptree(rscreen
, tex
);
949 r300_texture_3d_fix_mipmapping(rscreen
, tex
);
950 r300_texture_setup_immutable_state(rscreen
, tex
);
951 r300_texture_setup_fb_state(rscreen
, tex
);
953 SCREEN_DBG(rscreen
, DBG_TEX
,
954 "r300: texture_create: Macro: %s, Micro: %s, Pitch: %i, "
955 "Dim: %ix%ix%i, LastLevel: %i, Format: %s\n",
956 tex
->macrotile
? "YES" : " NO",
957 tex
->microtile
? "YES" : " NO",
959 base
->width0
, base
->height0
, base
->depth0
, base
->last_level
,
960 util_format_short_name(base
->format
));
962 tex
->domain
= base
->flags
& R300_RESOURCE_FLAG_TRANSFER
? R300_DOMAIN_GTT
:
965 tex
->buffer
= rws
->buffer_create(rws
, 2048, base
->bind
, tex
->domain
,
968 rws
->buffer_set_tiling(rws
, tex
->buffer
,
969 tex
->pitch
[0] * util_format_get_blocksize(tex
->b
.b
.format
),
978 return (struct pipe_resource
*)tex
;
981 /* Not required to implement u_resource_vtbl, consider moving to another file:
983 struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
984 struct pipe_resource
* texture
,
990 struct r300_texture
* tex
= r300_texture(texture
);
991 struct pipe_surface
* surface
= CALLOC_STRUCT(pipe_surface
);
994 offset
= r300_texture_get_offset(tex
, level
, zslice
, face
);
997 pipe_reference_init(&surface
->reference
, 1);
998 pipe_resource_reference(&surface
->texture
, texture
);
999 surface
->format
= texture
->format
;
1000 surface
->width
= u_minify(texture
->width0
, level
);
1001 surface
->height
= u_minify(texture
->height0
, level
);
1002 surface
->offset
= offset
;
1003 surface
->usage
= flags
;
1004 surface
->zslice
= zslice
;
1005 surface
->texture
= texture
;
1006 surface
->face
= face
;
1007 surface
->level
= level
;
1013 /* Not required to implement u_resource_vtbl, consider moving to another file:
1015 void r300_tex_surface_destroy(struct pipe_surface
* s
)
1017 pipe_resource_reference(&s
->texture
, NULL
);
1021 struct pipe_resource
*
1022 r300_texture_from_handle(struct pipe_screen
* screen
,
1023 const struct pipe_resource
* base
,
1024 struct winsys_handle
*whandle
)
1026 struct r300_winsys_screen
*rws
= (struct r300_winsys_screen
*)screen
->winsys
;
1027 struct r300_screen
* rscreen
= r300_screen(screen
);
1028 struct r300_winsys_buffer
*buffer
;
1029 struct r300_texture
* tex
;
1031 boolean override_zb_flags
;
1033 /* Support only 2D textures without mipmaps */
1034 if (base
->target
!= PIPE_TEXTURE_2D
||
1035 base
->depth0
!= 1 ||
1036 base
->last_level
!= 0) {
1040 buffer
= rws
->buffer_from_handle(rws
, screen
, whandle
, &stride
);
1045 tex
= CALLOC_STRUCT(r300_texture
);
1051 tex
->b
.vtbl
= &r300_texture_vtbl
;
1052 pipe_reference_init(&tex
->b
.b
.reference
, 1);
1053 tex
->b
.b
.screen
= screen
;
1054 tex
->domain
= R300_DOMAIN_VRAM
;
1056 tex
->stride_override
= stride
;
1058 /* one ref already taken */
1059 tex
->buffer
= buffer
;
1061 rws
->buffer_get_tiling(rws
, buffer
, &tex
->microtile
, &tex
->macrotile
);
1062 r300_setup_flags(tex
);
1063 SCREEN_DBG(rscreen
, DBG_TEX
,
1064 "r300: texture_from_handle: Macro: %s, Micro: %s, "
1065 "Pitch: % 4i, Dim: %ix%i, Format: %s\n",
1066 tex
->macrotile
? "YES" : " NO",
1067 tex
->microtile
? "YES" : " NO",
1068 stride
/ util_format_get_blocksize(base
->format
),
1069 base
->width0
, base
->height0
,
1070 util_format_short_name(base
->format
));
1072 /* Enforce microtiled zbuffer. */
1073 override_zb_flags
= util_format_is_depth_or_stencil(base
->format
) &&
1074 tex
->microtile
== R300_BUFFER_LINEAR
;
1076 if (override_zb_flags
) {
1077 switch (util_format_get_blocksize(base
->format
)) {
1079 tex
->microtile
= R300_BUFFER_TILED
;
1083 if (rws
->get_value(rws
, R300_VID_SQUARE_TILING_SUPPORT
)) {
1084 tex
->microtile
= R300_BUFFER_SQUARETILED
;
1090 override_zb_flags
= FALSE
;
1094 r300_setup_miptree(rscreen
, tex
);
1095 r300_texture_setup_immutable_state(rscreen
, tex
);
1096 r300_texture_setup_fb_state(rscreen
, tex
);
1098 if (override_zb_flags
) {
1099 rws
->buffer_set_tiling(rws
, tex
->buffer
,
1100 tex
->pitch
[0] * util_format_get_blocksize(tex
->b
.b
.format
),
1104 return (struct pipe_resource
*)tex
;