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_math.h"
28 #include "util/u_memory.h"
30 #include "r300_context.h"
31 #include "r300_texture.h"
32 #include "r300_screen.h"
33 #include "r300_state_inlines.h"
35 #include "radeon_winsys.h"
40 static const unsigned microblock_table
[5][3][2] = {
41 /*linear tiled square-tiled */
42 {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
43 {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
44 {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
45 {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
46 {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
49 /* Translate a pipe_format into a useful texture format for sampling.
51 * Some special formats are translated directly using R300_EASY_TX_FORMAT,
52 * but the majority of them is translated in a generic way, automatically
53 * supporting all the formats hw can support.
55 * R300_EASY_TX_FORMAT swizzles the texture.
56 * Note the signature of R300_EASY_TX_FORMAT:
57 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
59 * The FORMAT specifies how the texture sampler will treat the texture, and
60 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
61 static uint32_t r300_translate_texformat(enum pipe_format format
)
64 const struct util_format_description
*desc
;
65 unsigned components
= 0, i
;
66 boolean uniform
= TRUE
;
67 const uint32_t swizzle_shift
[4] = {
68 R300_TX_FORMAT_R_SHIFT
,
69 R300_TX_FORMAT_G_SHIFT
,
70 R300_TX_FORMAT_B_SHIFT
,
71 R300_TX_FORMAT_A_SHIFT
73 const uint32_t swizzle
[4] = {
79 const uint32_t sign_bit
[4] = {
80 R300_TX_FORMAT_SIGNED_X
,
81 R300_TX_FORMAT_SIGNED_Y
,
82 R300_TX_FORMAT_SIGNED_Z
,
83 R300_TX_FORMAT_SIGNED_W
,
86 desc
= util_format_description(format
);
88 /* Colorspace (return non-RGB formats directly). */
89 switch (desc
->colorspace
) {
90 /* Depth stencil formats. */
91 case UTIL_FORMAT_COLORSPACE_ZS
:
93 case PIPE_FORMAT_Z16_UNORM
:
94 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, X16
);
95 case PIPE_FORMAT_Z24X8_UNORM
:
96 case PIPE_FORMAT_Z24S8_UNORM
:
97 return R300_EASY_TX_FORMAT(X
, X
, X
, X
, W24_FP
);
99 return ~0; /* Unsupported. */
103 case UTIL_FORMAT_COLORSPACE_YUV
:
104 result
|= R300_TX_FORMAT_YUV_TO_RGB
;
107 case PIPE_FORMAT_YCBCR
:
108 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, YVYU422
) | result
;
109 case PIPE_FORMAT_YCBCR_REV
:
110 return R300_EASY_TX_FORMAT(X
, Y
, Z
, ONE
, VYUY422
) | result
;
112 return ~0; /* Unsupported/unknown. */
115 /* Add gamma correction. */
116 case UTIL_FORMAT_COLORSPACE_SRGB
:
117 result
|= R300_TX_FORMAT_GAMMA
;
124 for (i
= 0; i
< 4; i
++) {
125 switch (desc
->swizzle
[i
]) {
126 case UTIL_FORMAT_SWIZZLE_X
:
127 case UTIL_FORMAT_SWIZZLE_NONE
:
128 result
|= swizzle
[0] << swizzle_shift
[i
];
130 case UTIL_FORMAT_SWIZZLE_Y
:
131 result
|= swizzle
[1] << swizzle_shift
[i
];
133 case UTIL_FORMAT_SWIZZLE_Z
:
134 result
|= swizzle
[2] << swizzle_shift
[i
];
136 case UTIL_FORMAT_SWIZZLE_W
:
137 result
|= swizzle
[3] << swizzle_shift
[i
];
139 case UTIL_FORMAT_SWIZZLE_0
:
140 result
|= R300_TX_FORMAT_ZERO
<< swizzle_shift
[i
];
142 case UTIL_FORMAT_SWIZZLE_1
:
143 result
|= R300_TX_FORMAT_ONE
<< swizzle_shift
[i
];
146 return ~0; /* Unsupported. */
150 /* Compressed formats. */
151 if (desc
->layout
== UTIL_FORMAT_LAYOUT_COMPRESSED
) {
153 case PIPE_FORMAT_DXT1_RGB
:
154 case PIPE_FORMAT_DXT1_RGBA
:
155 case PIPE_FORMAT_DXT1_SRGB
:
156 case PIPE_FORMAT_DXT1_SRGBA
:
157 return R300_TX_FORMAT_DXT1
| result
;
158 case PIPE_FORMAT_DXT3_RGBA
:
159 case PIPE_FORMAT_DXT3_SRGBA
:
160 return R300_TX_FORMAT_DXT3
| result
;
161 case PIPE_FORMAT_DXT5_RGBA
:
162 case PIPE_FORMAT_DXT5_SRGBA
:
163 return R300_TX_FORMAT_DXT5
| result
;
165 return ~0; /* Unsupported/unknown. */
169 /* Get the number of components. */
170 for (i
= 0; i
< 4; i
++) {
171 if (desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
177 for (i
= 0; i
< components
; i
++) {
178 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
179 result
|= sign_bit
[i
];
183 /* See whether the components are of the same size. */
184 for (i
= 1; i
< components
; i
++) {
185 uniform
= uniform
&& desc
->channel
[0].size
== desc
->channel
[i
].size
;
188 /* Non-uniform formats. */
190 switch (components
) {
192 if (desc
->channel
[0].size
== 5 &&
193 desc
->channel
[1].size
== 6 &&
194 desc
->channel
[2].size
== 5) {
195 return R300_TX_FORMAT_Z5Y6X5
| result
;
197 if (desc
->channel
[0].size
== 5 &&
198 desc
->channel
[1].size
== 5 &&
199 desc
->channel
[2].size
== 6) {
200 return R300_TX_FORMAT_Z6Y5X5
| result
;
202 return ~0; /* Unsupported/unknown. */
205 if (desc
->channel
[0].size
== 5 &&
206 desc
->channel
[1].size
== 5 &&
207 desc
->channel
[2].size
== 5 &&
208 desc
->channel
[3].size
== 1) {
209 return R300_TX_FORMAT_W1Z5Y5X5
| result
;
211 if (desc
->channel
[0].size
== 10 &&
212 desc
->channel
[1].size
== 10 &&
213 desc
->channel
[2].size
== 10 &&
214 desc
->channel
[3].size
== 2) {
215 return R300_TX_FORMAT_W2Z10Y10X10
| result
;
218 return ~0; /* Unsupported/unknown. */
221 /* And finally, uniform formats. */
222 switch (desc
->channel
[0].type
) {
223 case UTIL_FORMAT_TYPE_UNSIGNED
:
224 case UTIL_FORMAT_TYPE_SIGNED
:
225 if (!desc
->channel
[0].normalized
&&
226 desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
) {
230 switch (desc
->channel
[0].size
) {
232 switch (components
) {
234 return R300_TX_FORMAT_Y4X4
| result
;
236 return R300_TX_FORMAT_W4Z4Y4X4
| result
;
241 switch (components
) {
243 return R300_TX_FORMAT_X8
| result
;
245 return R300_TX_FORMAT_Y8X8
| result
;
247 return R300_TX_FORMAT_W8Z8Y8X8
| result
;
252 switch (components
) {
254 return R300_TX_FORMAT_X16
| result
;
256 return R300_TX_FORMAT_Y16X16
| result
;
258 return R300_TX_FORMAT_W16Z16Y16X16
| result
;
263 /* XXX Enable float textures here. */
265 case UTIL_FORMAT_TYPE_FLOAT
:
266 switch (desc
->channel
[0].size
) {
268 switch (components
) {
270 return R300_TX_FORMAT_16F
| result
;
272 return R300_TX_FORMAT_16F_16F
| result
;
274 return R300_TX_FORMAT_16F_16F_16F_16F
| result
;
279 switch (components
) {
281 return R300_TX_FORMAT_32F
| result
;
283 return R300_TX_FORMAT_32F_32F
| result
;
285 return R300_TX_FORMAT_32F_32F_32F_32F
| result
;
291 return ~0; /* Unsupported/unknown. */
294 /* Buffer formats. */
296 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's
297 * output. For the swizzling of the targets, check the shader's format. */
298 static uint32_t r300_translate_colorformat(enum pipe_format format
)
302 case PIPE_FORMAT_A8_UNORM
:
303 case PIPE_FORMAT_I8_UNORM
:
304 case PIPE_FORMAT_L8_UNORM
:
305 case PIPE_FORMAT_L8_SRGB
:
306 case PIPE_FORMAT_R8_UNORM
:
307 case PIPE_FORMAT_R8_SNORM
:
308 return R300_COLOR_FORMAT_I8
;
310 /* 16-bit buffers. */
311 case PIPE_FORMAT_R5G6B5_UNORM
:
312 return R300_COLOR_FORMAT_RGB565
;
313 case PIPE_FORMAT_A1R5G5B5_UNORM
:
314 return R300_COLOR_FORMAT_ARGB1555
;
315 case PIPE_FORMAT_A4R4G4B4_UNORM
:
316 return R300_COLOR_FORMAT_ARGB4444
;
318 /* 32-bit buffers. */
319 case PIPE_FORMAT_A8R8G8B8_UNORM
:
320 case PIPE_FORMAT_A8R8G8B8_SRGB
:
321 case PIPE_FORMAT_X8R8G8B8_UNORM
:
322 case PIPE_FORMAT_X8R8G8B8_SRGB
:
323 case PIPE_FORMAT_B8G8R8A8_UNORM
:
324 case PIPE_FORMAT_B8G8R8A8_SRGB
:
325 case PIPE_FORMAT_B8G8R8X8_UNORM
:
326 case PIPE_FORMAT_B8G8R8X8_SRGB
:
327 case PIPE_FORMAT_R8G8B8A8_UNORM
:
328 case PIPE_FORMAT_R8G8B8A8_SNORM
:
329 case PIPE_FORMAT_R8G8B8A8_SRGB
:
330 case PIPE_FORMAT_R8G8B8X8_UNORM
:
331 case PIPE_FORMAT_R8G8B8X8_SRGB
:
332 case PIPE_FORMAT_R8G8B8X8_SNORM
:
333 case PIPE_FORMAT_A8B8G8R8_SNORM
:
334 case PIPE_FORMAT_X8B8G8R8_SNORM
:
335 case PIPE_FORMAT_X8UB8UG8SR8S_NORM
:
336 return R300_COLOR_FORMAT_ARGB8888
;
337 case PIPE_FORMAT_A2B10G10R10_UNORM
:
338 return R500_COLOR_FORMAT_ARGB2101010
; /* R5xx-only? */
340 /* 64-bit buffers. */
341 case PIPE_FORMAT_R16G16B16A16_UNORM
:
342 case PIPE_FORMAT_R16G16B16A16_SNORM
:
343 //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
344 return R300_COLOR_FORMAT_ARGB16161616
;
346 /* XXX Enable float textures here. */
348 /* 128-bit buffers. */
349 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
350 return R300_COLOR_FORMAT_ARGB32323232
;
354 case PIPE_FORMAT_YCBCR
:
355 return R300_COLOR_FORMAT_YVYU
;
356 case PIPE_FORMAT_YCBCR_REV
:
357 return R300_COLOR_FORMAT_VYUY
;
359 return ~0; /* Unsupported. */
363 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
364 static uint32_t r300_translate_zsformat(enum pipe_format format
)
367 /* 16-bit depth, no stencil */
368 case PIPE_FORMAT_Z16_UNORM
:
369 return R300_DEPTHFORMAT_16BIT_INT_Z
;
370 /* 24-bit depth, ignored stencil */
371 case PIPE_FORMAT_Z24X8_UNORM
:
372 /* 24-bit depth, 8-bit stencil */
373 case PIPE_FORMAT_Z24S8_UNORM
:
374 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL
;
376 return ~0; /* Unsupported. */
380 /* Shader output formats. This is essentially the swizzle from the shader
383 * Note that formats are stored from C3 to C0. */
384 static uint32_t r300_translate_out_fmt(enum pipe_format format
)
386 uint32_t modifier
= 0;
388 const struct util_format_description
*desc
;
389 static const uint32_t sign_bit
[4] = {
396 desc
= util_format_description(format
);
398 /* Specifies how the shader output is written to the fog unit. */
399 if (desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
400 /* The gamma correction causes precision loss so we need
401 * higher precision to maintain reasonable quality.
402 * It has nothing to do with the colorbuffer format. */
403 modifier
|= R300_US_OUT_FMT_C4_10_GAMMA
;
404 } else if (desc
->channel
[0].type
== UTIL_FORMAT_TYPE_FLOAT
) {
405 if (desc
->channel
[0].size
== 32) {
406 modifier
|= R300_US_OUT_FMT_C4_32_FP
;
408 modifier
|= R300_US_OUT_FMT_C4_16_FP
;
411 if (desc
->channel
[0].size
== 16) {
412 modifier
|= R300_US_OUT_FMT_C4_16
;
414 /* C4_8 seems to be used for the formats whose pixel size
416 modifier
|= R300_US_OUT_FMT_C4_8
;
421 for (i
= 0; i
< 4; i
++)
422 if (desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_SIGNED
) {
423 modifier
|= sign_bit
[i
];
426 /* Add swizzles and return. */
429 * COLORFORMAT_I8 stores the C2 component. */
430 case PIPE_FORMAT_A8_UNORM
:
431 return modifier
| R300_C2_SEL_A
;
432 case PIPE_FORMAT_I8_UNORM
:
433 case PIPE_FORMAT_L8_UNORM
:
434 case PIPE_FORMAT_L8_SRGB
:
435 case PIPE_FORMAT_R8_UNORM
:
436 case PIPE_FORMAT_R8_SNORM
:
437 return modifier
| R300_C2_SEL_R
;
439 /* ARGB 32-bit outputs. */
440 case PIPE_FORMAT_R5G6B5_UNORM
:
441 case PIPE_FORMAT_A1R5G5B5_UNORM
:
442 case PIPE_FORMAT_A4R4G4B4_UNORM
:
443 case PIPE_FORMAT_A8R8G8B8_UNORM
:
444 case PIPE_FORMAT_A8R8G8B8_SRGB
:
445 case PIPE_FORMAT_X8R8G8B8_UNORM
:
446 case PIPE_FORMAT_X8R8G8B8_SRGB
:
448 R300_C0_SEL_B
| R300_C1_SEL_G
|
449 R300_C2_SEL_R
| R300_C3_SEL_A
;
451 /* BGRA 32-bit outputs. */
452 case PIPE_FORMAT_B8G8R8A8_UNORM
:
453 case PIPE_FORMAT_B8G8R8A8_SRGB
:
454 case PIPE_FORMAT_B8G8R8X8_UNORM
:
455 case PIPE_FORMAT_B8G8R8X8_SRGB
:
457 R300_C0_SEL_A
| R300_C1_SEL_R
|
458 R300_C2_SEL_G
| R300_C3_SEL_B
;
460 /* RGBA 32-bit outputs. */
461 case PIPE_FORMAT_R8G8B8A8_UNORM
:
462 case PIPE_FORMAT_R8G8B8A8_SNORM
:
463 case PIPE_FORMAT_R8G8B8A8_SRGB
:
464 case PIPE_FORMAT_R8G8B8X8_UNORM
:
465 case PIPE_FORMAT_R8G8B8X8_SRGB
:
466 case PIPE_FORMAT_R8G8B8X8_SNORM
:
468 R300_C0_SEL_A
| R300_C1_SEL_B
|
469 R300_C2_SEL_G
| R300_C3_SEL_R
;
471 /* ABGR 32-bit outputs. */
472 case PIPE_FORMAT_A8B8G8R8_SNORM
:
473 case PIPE_FORMAT_X8B8G8R8_SNORM
:
474 case PIPE_FORMAT_X8UB8UG8SR8S_NORM
:
475 case PIPE_FORMAT_A2B10G10R10_UNORM
:
476 /* RGBA high precision outputs (same swizzles as ABGR low precision) */
477 case PIPE_FORMAT_R16G16B16A16_UNORM
:
478 case PIPE_FORMAT_R16G16B16A16_SNORM
:
479 //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
480 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
482 R300_C0_SEL_R
| R300_C1_SEL_G
|
483 R300_C2_SEL_B
| R300_C3_SEL_A
;
486 return ~0; /* Unsupported. */
490 boolean
r300_is_colorbuffer_format_supported(enum pipe_format format
)
492 return r300_translate_colorformat(format
) != ~0 &&
493 r300_translate_out_fmt(format
) != ~0;
496 boolean
r300_is_zs_format_supported(enum pipe_format format
)
498 return r300_translate_zsformat(format
) != ~0;
501 boolean
r300_is_sampler_format_supported(enum pipe_format format
)
503 return r300_translate_texformat(format
) != ~0;
506 static void r300_setup_texture_state(struct r300_screen
* screen
, struct r300_texture
* tex
)
508 struct r300_texture_format_state
* state
= &tex
->state
;
509 struct pipe_texture
*pt
= &tex
->tex
;
511 boolean is_r500
= screen
->caps
->is_r500
;
513 /* Set sampler state. */
514 state
->format0
= R300_TX_WIDTH((pt
->width0
- 1) & 0x7ff) |
515 R300_TX_HEIGHT((pt
->height0
- 1) & 0x7ff);
518 /* rectangles love this */
519 state
->format0
|= R300_TX_PITCH_EN
;
520 state
->format2
= (tex
->pitch
[0] - 1) & 0x1fff;
522 /* power of two textures (3D, mipmaps, and no pitch) */
523 state
->format0
|= R300_TX_DEPTH(util_logbase2(pt
->depth0
) & 0xf);
526 state
->format1
= r300_translate_texformat(pt
->format
);
527 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
528 state
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
530 if (pt
->target
== PIPE_TEXTURE_3D
) {
531 state
->format1
|= R300_TX_FORMAT_3D
;
534 /* large textures on r500 */
537 if (pt
->width0
> 2048) {
538 state
->format2
|= R500_TXWIDTH_BIT11
;
540 if (pt
->height0
> 2048) {
541 state
->format2
|= R500_TXHEIGHT_BIT11
;
545 SCREEN_DBG(screen
, DBG_TEX
, "r300: Set texture state (%dx%d, %d levels)\n",
546 pt
->width0
, pt
->height0
, pt
->last_level
);
548 /* Set framebuffer state. */
549 if (util_format_is_depth_or_stencil(tex
->tex
.format
)) {
550 for (i
= 0; i
<= tex
->tex
.last_level
; i
++) {
551 tex
->fb_state
.depthpitch
[i
] =
553 R300_DEPTHMACROTILE(tex
->mip_macrotile
[i
]) |
554 R300_DEPTHMICROTILE(tex
->microtile
);
556 tex
->fb_state
.zb_format
= r300_translate_zsformat(tex
->tex
.format
);
558 for (i
= 0; i
<= tex
->tex
.last_level
; i
++) {
559 tex
->fb_state
.colorpitch
[i
] =
561 r300_translate_colorformat(tex
->tex
.format
) |
562 R300_COLOR_TILE(tex
->mip_macrotile
[i
]) |
563 R300_COLOR_MICROTILE(tex
->microtile
);
565 tex
->fb_state
.us_out_fmt
= r300_translate_out_fmt(tex
->tex
.format
);
569 void r300_texture_reinterpret_format(struct pipe_screen
*screen
,
570 struct pipe_texture
*tex
,
571 enum pipe_format new_format
)
573 struct r300_screen
*r300screen
= r300_screen(screen
);
575 SCREEN_DBG(r300screen
, DBG_TEX
, "r300: Reinterpreting format: %s -> %s\n",
576 util_format_name(tex
->format
), util_format_name(new_format
));
578 tex
->format
= new_format
;
580 r300_setup_texture_state(r300_screen(screen
), (struct r300_texture
*)tex
);
583 unsigned r300_texture_get_offset(struct r300_texture
* tex
, unsigned level
,
584 unsigned zslice
, unsigned face
)
586 unsigned offset
= tex
->offset
[level
];
588 switch (tex
->tex
.target
) {
589 case PIPE_TEXTURE_3D
:
591 return offset
+ zslice
* tex
->layer_size
[level
];
593 case PIPE_TEXTURE_CUBE
:
595 return offset
+ face
* tex
->layer_size
[level
];
598 assert(zslice
== 0 && face
== 0);
604 * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
605 * of the given texture.
607 static unsigned r300_texture_get_tile_size(struct r300_texture
* tex
,
608 int dim
, boolean macrotile
)
610 unsigned pixsize
, tile_size
;
612 pixsize
= util_format_get_blocksize(tex
->tex
.format
);
613 tile_size
= microblock_table
[util_logbase2(pixsize
)][tex
->microtile
][dim
];
623 /* Return true if macrotiling should be enabled on the miplevel. */
624 static boolean
r300_texture_macro_switch(struct r300_texture
*tex
,
628 unsigned tile_width
, width
;
630 tile_width
= r300_texture_get_tile_size(tex
, TILE_WIDTH
, TRUE
);
631 width
= u_minify(tex
->tex
.width0
, level
);
633 /* See TX_FILTER1_n.MACRO_SWITCH. */
635 return width
>= tile_width
;
637 return width
> tile_width
;
642 * Return the stride, in bytes, of the texture images of the given texture
643 * at the given level.
645 unsigned r300_texture_get_stride(struct r300_screen
* screen
,
646 struct r300_texture
* tex
, unsigned level
)
648 unsigned tile_width
, width
;
650 if (tex
->stride_override
)
651 return tex
->stride_override
;
653 /* Check the level. */
654 if (level
> tex
->tex
.last_level
) {
655 SCREEN_DBG(screen
, DBG_TEX
, "%s: level (%u) > last_level (%u)\n",
656 __FUNCTION__
, level
, tex
->tex
.last_level
);
660 width
= u_minify(tex
->tex
.width0
, level
);
662 if (!util_format_is_compressed(tex
->tex
.format
)) {
663 tile_width
= r300_texture_get_tile_size(tex
, TILE_WIDTH
,
664 tex
->mip_macrotile
[level
]);
665 width
= align(width
, tile_width
);
667 return util_format_get_stride(tex
->tex
.format
, width
);
669 return align(util_format_get_stride(tex
->tex
.format
, width
), 32);
673 static unsigned r300_texture_get_nblocksy(struct r300_texture
* tex
,
676 unsigned height
, tile_height
;
678 height
= u_minify(tex
->tex
.height0
, level
);
680 if (!util_format_is_compressed(tex
->tex
.format
)) {
681 tile_height
= r300_texture_get_tile_size(tex
, TILE_HEIGHT
,
682 tex
->mip_macrotile
[level
]);
683 height
= align(height
, tile_height
);
686 return util_format_get_nblocksy(tex
->tex
.format
, height
);
689 static void r300_setup_miptree(struct r300_screen
* screen
,
690 struct r300_texture
* tex
)
692 struct pipe_texture
* base
= &tex
->tex
;
693 unsigned stride
, size
, layer_size
, nblocksy
, i
;
694 boolean rv350_mode
= screen
->caps
->family
>= CHIP_FAMILY_RV350
;
696 SCREEN_DBG(screen
, DBG_TEX
, "r300: Making miptree for texture, format %s\n",
697 util_format_name(base
->format
));
699 for (i
= 0; i
<= base
->last_level
; i
++) {
700 /* Let's see if this miplevel can be macrotiled. */
701 tex
->mip_macrotile
[i
] = (tex
->macrotile
== R300_BUFFER_TILED
&&
702 r300_texture_macro_switch(tex
, i
, rv350_mode
)) ?
703 R300_BUFFER_TILED
: R300_BUFFER_LINEAR
;
705 stride
= r300_texture_get_stride(screen
, tex
, i
);
706 nblocksy
= r300_texture_get_nblocksy(tex
, i
);
707 layer_size
= stride
* nblocksy
;
709 if (base
->target
== PIPE_TEXTURE_CUBE
)
710 size
= layer_size
* 6;
712 size
= layer_size
* u_minify(base
->depth0
, i
);
714 tex
->offset
[i
] = tex
->size
;
715 tex
->size
= tex
->offset
[i
] + size
;
716 tex
->layer_size
[i
] = layer_size
;
717 tex
->pitch
[i
] = stride
/ util_format_get_blocksize(base
->format
);
719 SCREEN_DBG(screen
, DBG_TEX
, "r300: Texture miptree: Level %d "
720 "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
721 i
, u_minify(base
->width0
, i
), u_minify(base
->height0
, i
),
722 u_minify(base
->depth0
, i
), stride
, tex
->size
,
723 tex
->mip_macrotile
[i
] ? "TRUE" : "FALSE");
727 static void r300_setup_flags(struct r300_texture
* tex
)
729 tex
->is_npot
= !util_is_power_of_two(tex
->tex
.width0
) ||
730 !util_is_power_of_two(tex
->tex
.height0
);
733 /* Create a new texture. */
734 static struct pipe_texture
*
735 r300_texture_create(struct pipe_screen
* screen
,
736 const struct pipe_texture
* template)
738 struct r300_texture
* tex
= CALLOC_STRUCT(r300_texture
);
739 struct r300_screen
* rscreen
= r300_screen(screen
);
740 struct radeon_winsys
* winsys
= (struct radeon_winsys
*)screen
->winsys
;
746 tex
->tex
= *template;
747 pipe_reference_init(&tex
->tex
.reference
, 1);
748 tex
->tex
.screen
= screen
;
750 r300_setup_flags(tex
);
751 r300_setup_miptree(rscreen
, tex
);
752 r300_setup_texture_state(rscreen
, tex
);
754 tex
->buffer
= screen
->buffer_create(screen
, 2048,
755 PIPE_BUFFER_USAGE_PIXEL
,
757 winsys
->buffer_set_tiling(winsys
, tex
->buffer
,
759 tex
->microtile
!= R300_BUFFER_LINEAR
,
760 tex
->macrotile
!= R300_BUFFER_LINEAR
);
767 return (struct pipe_texture
*)tex
;
770 static void r300_texture_destroy(struct pipe_texture
* texture
)
772 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
774 pipe_buffer_reference(&tex
->buffer
, NULL
);
779 static struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
780 struct pipe_texture
* texture
,
786 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
787 struct pipe_surface
* surface
= CALLOC_STRUCT(pipe_surface
);
790 offset
= r300_texture_get_offset(tex
, level
, zslice
, face
);
793 pipe_reference_init(&surface
->reference
, 1);
794 pipe_texture_reference(&surface
->texture
, texture
);
795 surface
->format
= texture
->format
;
796 surface
->width
= u_minify(texture
->width0
, level
);
797 surface
->height
= u_minify(texture
->height0
, level
);
798 surface
->offset
= offset
;
799 surface
->usage
= flags
;
800 surface
->zslice
= zslice
;
801 surface
->texture
= texture
;
802 surface
->face
= face
;
803 surface
->level
= level
;
809 static void r300_tex_surface_destroy(struct pipe_surface
* s
)
811 pipe_texture_reference(&s
->texture
, NULL
);
815 static struct pipe_texture
*
816 r300_texture_blanket(struct pipe_screen
* screen
,
817 const struct pipe_texture
* base
,
818 const unsigned* stride
,
819 struct pipe_buffer
* buffer
)
821 struct r300_texture
* tex
;
822 struct r300_screen
* rscreen
= r300_screen(screen
);
824 /* Support only 2D textures without mipmaps */
825 if (base
->target
!= PIPE_TEXTURE_2D
||
827 base
->last_level
!= 0) {
831 tex
= CALLOC_STRUCT(r300_texture
);
837 pipe_reference_init(&tex
->tex
.reference
, 1);
838 tex
->tex
.screen
= screen
;
840 tex
->stride_override
= *stride
;
841 tex
->pitch
[0] = *stride
/ util_format_get_blocksize(base
->format
);
843 r300_setup_flags(tex
);
844 r300_setup_texture_state(rscreen
, tex
);
846 pipe_buffer_reference(&tex
->buffer
, buffer
);
848 return (struct pipe_texture
*)tex
;
851 static struct pipe_video_surface
*
852 r300_video_surface_create(struct pipe_screen
*screen
,
853 enum pipe_video_chroma_format chroma_format
,
854 unsigned width
, unsigned height
)
856 struct r300_video_surface
*r300_vsfc
;
857 struct pipe_texture
template;
860 assert(width
&& height
);
862 r300_vsfc
= CALLOC_STRUCT(r300_video_surface
);
866 pipe_reference_init(&r300_vsfc
->base
.reference
, 1);
867 r300_vsfc
->base
.screen
= screen
;
868 r300_vsfc
->base
.chroma_format
= chroma_format
;
869 r300_vsfc
->base
.width
= width
;
870 r300_vsfc
->base
.height
= height
;
872 memset(&template, 0, sizeof(struct pipe_texture
));
873 template.target
= PIPE_TEXTURE_2D
;
874 template.format
= PIPE_FORMAT_X8R8G8B8_UNORM
;
875 template.last_level
= 0;
876 template.width0
= util_next_power_of_two(width
);
877 template.height0
= util_next_power_of_two(height
);
879 template.tex_usage
= PIPE_TEXTURE_USAGE_SAMPLER
|
880 PIPE_TEXTURE_USAGE_RENDER_TARGET
;
882 r300_vsfc
->tex
= screen
->texture_create(screen
, &template);
889 return &r300_vsfc
->base
;
892 static void r300_video_surface_destroy(struct pipe_video_surface
*vsfc
)
894 struct r300_video_surface
*r300_vsfc
= r300_video_surface(vsfc
);
895 pipe_texture_reference(&r300_vsfc
->tex
, NULL
);
899 void r300_init_screen_texture_functions(struct pipe_screen
* screen
)
901 screen
->texture_create
= r300_texture_create
;
902 screen
->texture_destroy
= r300_texture_destroy
;
903 screen
->get_tex_surface
= r300_get_tex_surface
;
904 screen
->tex_surface_destroy
= r300_tex_surface_destroy
;
905 screen
->texture_blanket
= r300_texture_blanket
;
907 screen
->video_surface_create
= r300_video_surface_create
;
908 screen
->video_surface_destroy
= r300_video_surface_destroy
;
911 boolean
r300_get_texture_buffer(struct pipe_screen
* screen
,
912 struct pipe_texture
* texture
,
913 struct pipe_buffer
** buffer
,
916 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
921 pipe_buffer_reference(buffer
, tex
->buffer
);
924 *stride
= r300_texture_get_stride(r300_screen(screen
), tex
, 0);