2 * Copyright (C) 2009 Maciej Cencora.
3 * Copyright (C) 2008 Nicolai Haehnle.
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial
17 * portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "radeon_mipmap_tree.h"
34 #include "main/simple_list.h"
35 #include "main/teximage.h"
36 #include "main/texobj.h"
37 #include "main/enums.h"
38 #include "radeon_texture.h"
39 #include "radeon_tile.h"
41 static unsigned get_aligned_compressed_row_stride(
46 const unsigned blockBytes
= _mesa_get_format_bytes(format
);
47 unsigned blockWidth
, blockHeight
;
50 _mesa_get_format_block_size(format
, &blockWidth
, &blockHeight
);
52 /* Count number of blocks required to store the given width.
53 * And then multiple it with bytes required to store a block.
55 stride
= (width
+ blockWidth
- 1) / blockWidth
* blockBytes
;
57 /* Round the given minimum stride to the next full blocksize.
58 * (minStride + blockBytes - 1) / blockBytes * blockBytes
60 if ( stride
< minStride
)
61 stride
= (minStride
+ blockBytes
- 1) / blockBytes
* blockBytes
;
63 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
64 "%s width %u, minStride %u, block(bytes %u, width %u):"
66 __func__
, width
, minStride
,
67 blockBytes
, blockWidth
,
73 unsigned get_texture_image_size(
80 if (_mesa_is_format_compressed(format
)) {
81 unsigned blockWidth
, blockHeight
;
83 _mesa_get_format_block_size(format
, &blockWidth
, &blockHeight
);
85 return rowStride
* ((height
+ blockHeight
- 1) / blockHeight
) * depth
;
87 /* Need to align height to tile height */
88 unsigned tileWidth
, tileHeight
;
90 get_tile_size(format
, &tileWidth
, &tileHeight
);
93 height
= (height
+ tileHeight
) & ~tileHeight
;
96 return rowStride
* height
* depth
;
99 unsigned get_texture_image_row_stride(radeonContextPtr rmesa
, gl_format format
, unsigned width
, unsigned tiling
, GLuint target
)
101 if (_mesa_is_format_compressed(format
)) {
102 return get_aligned_compressed_row_stride(format
, width
, rmesa
->texture_compressed_row_align
);
106 if (!_mesa_is_pow_two(width
) || target
== GL_TEXTURE_RECTANGLE
) {
107 row_align
= rmesa
->texture_rect_row_align
- 1;
109 unsigned tileWidth
, tileHeight
;
110 get_tile_size(format
, &tileWidth
, &tileHeight
);
111 row_align
= tileWidth
* _mesa_get_format_bytes(format
) - 1;
113 row_align
= rmesa
->texture_row_align
- 1;
116 return (_mesa_format_row_stride(format
, width
) + row_align
) & ~row_align
;
121 * Compute sizes and fill in offset and blit information for the given
122 * image (determined by \p face and \p level).
124 * \param curOffset points to the offset at which the image is to be stored
125 * and is updated by this function according to the size of the image.
127 static void compute_tex_image_offset(radeonContextPtr rmesa
, radeon_mipmap_tree
*mt
,
128 GLuint face
, GLuint level
, GLuint
* curOffset
)
130 radeon_mipmap_level
*lvl
= &mt
->levels
[level
];
133 height
= _mesa_next_pow_two_32(lvl
->height
);
135 lvl
->rowstride
= get_texture_image_row_stride(rmesa
, mt
->mesaFormat
, lvl
->width
, mt
->tilebits
, mt
->target
);
136 lvl
->size
= get_texture_image_size(mt
->mesaFormat
, lvl
->rowstride
, height
, lvl
->depth
, mt
->tilebits
);
138 assert(lvl
->size
> 0);
140 lvl
->faces
[face
].offset
= *curOffset
;
141 *curOffset
+= lvl
->size
;
143 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
144 "%s(%p) level %d, face %d: rs:%d %dx%d at %d\n",
147 lvl
->rowstride
, lvl
->width
, height
, lvl
->faces
[face
].offset
);
150 static GLuint
minify(GLuint size
, GLuint levels
)
152 size
= size
>> levels
;
159 static void calculate_miptree_layout(radeonContextPtr rmesa
, radeon_mipmap_tree
*mt
)
161 GLuint curOffset
, i
, face
, level
;
163 assert(mt
->numLevels
<= rmesa
->glCtx
->Const
.MaxTextureLevels
);
166 for(face
= 0; face
< mt
->faces
; face
++) {
168 for(i
= 0, level
= mt
->baseLevel
; i
< mt
->numLevels
; i
++, level
++) {
169 mt
->levels
[level
].valid
= 1;
170 mt
->levels
[level
].width
= minify(mt
->width0
, i
);
171 mt
->levels
[level
].height
= minify(mt
->height0
, i
);
172 mt
->levels
[level
].depth
= minify(mt
->depth0
, i
);
173 compute_tex_image_offset(rmesa
, mt
, face
, level
, &curOffset
);
177 /* Note the required size in memory */
178 mt
->totalsize
= (curOffset
+ RADEON_OFFSET_MASK
) & ~RADEON_OFFSET_MASK
;
180 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
181 "%s(%p, %p) total size %d\n",
182 __func__
, rmesa
, mt
, mt
->totalsize
);
186 * Create a new mipmap tree, calculate its layout and allocate memory.
188 radeon_mipmap_tree
* radeon_miptree_create(radeonContextPtr rmesa
,
189 GLenum target
, gl_format mesaFormat
, GLuint baseLevel
, GLuint numLevels
,
190 GLuint width0
, GLuint height0
, GLuint depth0
, GLuint tilebits
)
192 radeon_mipmap_tree
*mt
= CALLOC_STRUCT(_radeon_mipmap_tree
);
194 radeon_print(RADEON_TEXTURE
, RADEON_NORMAL
,
195 "%s(%p) new tree is %p.\n",
196 __func__
, rmesa
, mt
);
198 mt
->mesaFormat
= mesaFormat
;
201 mt
->faces
= _mesa_num_tex_faces(target
);
202 mt
->baseLevel
= baseLevel
;
203 mt
->numLevels
= numLevels
;
205 mt
->height0
= height0
;
207 mt
->tilebits
= tilebits
;
209 calculate_miptree_layout(rmesa
, mt
);
211 mt
->bo
= radeon_bo_open(rmesa
->radeonScreen
->bom
,
212 0, mt
->totalsize
, 1024,
213 RADEON_GEM_DOMAIN_VRAM
,
219 void radeon_miptree_reference(radeon_mipmap_tree
*mt
, radeon_mipmap_tree
**ptr
)
224 assert(mt
->refcount
> 0);
229 void radeon_miptree_unreference(radeon_mipmap_tree
**ptr
)
231 radeon_mipmap_tree
*mt
= *ptr
;
235 assert(mt
->refcount
> 0);
239 radeon_bo_unref(mt
->bo
);
247 * Calculate min and max LOD for the given texture object.
248 * @param[in] tObj texture object whose LOD values to calculate
249 * @param[out] pminLod minimal LOD
250 * @param[out] pmaxLod maximal LOD
252 static void calculate_min_max_lod(struct gl_sampler_object
*samp
, struct gl_texture_object
*tObj
,
253 unsigned *pminLod
, unsigned *pmaxLod
)
256 /* Yes, this looks overly complicated, but it's all needed.
258 switch (tObj
->Target
) {
262 case GL_TEXTURE_CUBE_MAP
:
263 if (samp
->MinFilter
== GL_NEAREST
|| samp
->MinFilter
== GL_LINEAR
) {
264 /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
266 minLod
= maxLod
= tObj
->BaseLevel
;
268 minLod
= tObj
->BaseLevel
+ (GLint
)(samp
->MinLod
);
269 minLod
= MAX2(minLod
, tObj
->BaseLevel
);
270 minLod
= MIN2(minLod
, tObj
->MaxLevel
);
271 maxLod
= tObj
->BaseLevel
+ (GLint
)(samp
->MaxLod
+ 0.5);
272 maxLod
= MIN2(maxLod
, tObj
->MaxLevel
);
273 maxLod
= MIN2(maxLod
, tObj
->Image
[0][minLod
]->MaxLog2
+ minLod
);
274 maxLod
= MAX2(maxLod
, minLod
); /* need at least one level */
277 case GL_TEXTURE_RECTANGLE_NV
:
278 case GL_TEXTURE_4D_SGIS
:
285 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
286 "%s(%p) target %s, min %d, max %d.\n",
288 _mesa_lookup_enum_by_nr(tObj
->Target
),
291 /* save these values */
297 * Checks whether the given miptree can hold the given texture image at the
298 * given face and level.
300 GLboolean
radeon_miptree_matches_image(radeon_mipmap_tree
*mt
,
301 struct gl_texture_image
*texImage
)
303 radeon_mipmap_level
*lvl
;
304 GLuint level
= texImage
->Level
;
305 if (texImage
->TexFormat
!= mt
->mesaFormat
)
308 lvl
= &mt
->levels
[level
];
310 lvl
->width
!= texImage
->Width
||
311 lvl
->height
!= texImage
->Height
||
312 lvl
->depth
!= texImage
->Depth
)
319 * Checks whether the given miptree has the right format to store the given texture object.
321 static GLboolean
radeon_miptree_matches_texture(radeon_mipmap_tree
*mt
, struct gl_texture_object
*texObj
)
323 struct gl_texture_image
*firstImage
;
325 radeon_mipmap_level
*mtBaseLevel
;
327 if (texObj
->BaseLevel
< mt
->baseLevel
)
330 mtBaseLevel
= &mt
->levels
[texObj
->BaseLevel
- mt
->baseLevel
];
331 firstImage
= texObj
->Image
[0][texObj
->BaseLevel
];
332 numLevels
= MIN2(texObj
->_MaxLevel
- texObj
->BaseLevel
+ 1, firstImage
->MaxLog2
+ 1);
334 if (radeon_is_debug_enabled(RADEON_TEXTURE
,RADEON_TRACE
)) {
335 fprintf(stderr
, "Checking if miptree %p matches texObj %p\n", mt
, texObj
);
336 fprintf(stderr
, "target %d vs %d\n", mt
->target
, texObj
->Target
);
337 fprintf(stderr
, "format %d vs %d\n", mt
->mesaFormat
, firstImage
->TexFormat
);
338 fprintf(stderr
, "numLevels %d vs %d\n", mt
->numLevels
, numLevels
);
339 fprintf(stderr
, "width0 %d vs %d\n", mtBaseLevel
->width
, firstImage
->Width
);
340 fprintf(stderr
, "height0 %d vs %d\n", mtBaseLevel
->height
, firstImage
->Height
);
341 fprintf(stderr
, "depth0 %d vs %d\n", mtBaseLevel
->depth
, firstImage
->Depth
);
342 if (mt
->target
== texObj
->Target
&&
343 mt
->mesaFormat
== firstImage
->TexFormat
&&
344 mt
->numLevels
>= numLevels
&&
345 mtBaseLevel
->width
== firstImage
->Width
&&
346 mtBaseLevel
->height
== firstImage
->Height
&&
347 mtBaseLevel
->depth
== firstImage
->Depth
) {
348 fprintf(stderr
, "MATCHED\n");
350 fprintf(stderr
, "NOT MATCHED\n");
354 return (mt
->target
== texObj
->Target
&&
355 mt
->mesaFormat
== firstImage
->TexFormat
&&
356 mt
->numLevels
>= numLevels
&&
357 mtBaseLevel
->width
== firstImage
->Width
&&
358 mtBaseLevel
->height
== firstImage
->Height
&&
359 mtBaseLevel
->depth
== firstImage
->Depth
);
363 * Try to allocate a mipmap tree for the given texture object.
364 * @param[in] rmesa radeon context
365 * @param[in] t radeon texture object
367 void radeon_try_alloc_miptree(radeonContextPtr rmesa
, radeonTexObj
*t
)
369 struct gl_texture_object
*texObj
= &t
->base
;
370 struct gl_texture_image
*texImg
= texObj
->Image
[0][texObj
->BaseLevel
];
375 radeon_warning("%s(%p) No image in given texture object(%p).\n",
381 numLevels
= MIN2(texObj
->MaxLevel
- texObj
->BaseLevel
+ 1, texImg
->MaxLog2
+ 1);
383 t
->mt
= radeon_miptree_create(rmesa
, t
->base
.Target
,
384 texImg
->TexFormat
, texObj
->BaseLevel
,
385 numLevels
, texImg
->Width
, texImg
->Height
,
386 texImg
->Depth
, t
->tile_bits
);
390 radeon_miptree_image_offset(radeon_mipmap_tree
*mt
,
391 GLuint face
, GLuint level
)
393 if (mt
->target
== GL_TEXTURE_CUBE_MAP_ARB
)
394 return (mt
->levels
[level
].faces
[face
].offset
);
396 return mt
->levels
[level
].faces
[0].offset
;
400 * Ensure that the given image is stored in the given miptree from now on.
402 static void migrate_image_to_miptree(radeon_mipmap_tree
*mt
,
403 radeon_texture_image
*image
,
406 radeon_mipmap_level
*dstlvl
= &mt
->levels
[level
];
409 assert(image
->mt
!= mt
);
410 assert(dstlvl
->valid
);
411 assert(dstlvl
->width
== image
->base
.Base
.Width
);
412 assert(dstlvl
->height
== image
->base
.Base
.Height
);
413 assert(dstlvl
->depth
== image
->base
.Base
.Depth
);
415 radeon_print(RADEON_TEXTURE
, RADEON_VERBOSE
,
416 "%s miptree %p, image %p, face %d, level %d.\n",
417 __func__
, mt
, image
, face
, level
);
419 radeon_bo_map(mt
->bo
, GL_TRUE
);
420 dest
= mt
->bo
->ptr
+ dstlvl
->faces
[face
].offset
;
423 /* Format etc. should match, so we really just need a memcpy().
424 * In fact, that memcpy() could be done by the hardware in many
425 * cases, provided that we have a proper memory manager.
427 assert(mt
->mesaFormat
== image
->base
.Base
.TexFormat
);
429 radeon_mipmap_level
*srclvl
= &image
->mt
->levels
[image
->base
.Base
.Level
];
431 assert(image
->base
.Base
.Level
== level
);
432 assert(srclvl
->size
== dstlvl
->size
);
433 assert(srclvl
->rowstride
== dstlvl
->rowstride
);
435 radeon_bo_map(image
->mt
->bo
, GL_FALSE
);
438 image
->mt
->bo
->ptr
+ srclvl
->faces
[face
].offset
,
440 radeon_bo_unmap(image
->mt
->bo
);
442 radeon_miptree_unreference(&image
->mt
);
443 } else if (image
->base
.Map
) {
444 /* This condition should be removed, it's here to workaround
445 * a segfault when mapping textures during software fallbacks.
447 radeon_print(RADEON_FALLBACKS
, RADEON_IMPORTANT
,
448 "%s Trying to map texture in software fallback.\n",
450 const uint32_t srcrowstride
= _mesa_format_row_stride(image
->base
.Base
.TexFormat
, image
->base
.Base
.Width
);
451 uint32_t rows
= image
->base
.Base
.Height
* image
->base
.Base
.Depth
;
453 if (_mesa_is_format_compressed(image
->base
.Base
.TexFormat
)) {
454 uint32_t blockWidth
, blockHeight
;
455 _mesa_get_format_block_size(image
->base
.Base
.TexFormat
, &blockWidth
, &blockHeight
);
456 rows
= (rows
+ blockHeight
- 1) / blockHeight
;
459 copy_rows(dest
, dstlvl
->rowstride
, image
->base
.Map
, srcrowstride
,
462 _mesa_align_free(image
->base
.Map
);
466 radeon_bo_unmap(mt
->bo
);
468 radeon_miptree_reference(mt
, &image
->mt
);
472 * Filter matching miptrees, and select one with the most of data.
473 * @param[in] texObj radeon texture object
474 * @param[in] firstLevel first texture level to check
475 * @param[in] lastLevel last texture level to check
477 static radeon_mipmap_tree
* get_biggest_matching_miptree(radeonTexObj
*texObj
,
481 const unsigned numLevels
= lastLevel
- firstLevel
+ 1;
482 unsigned *mtSizes
= calloc(numLevels
, sizeof(unsigned));
483 radeon_mipmap_tree
**mts
= calloc(numLevels
, sizeof(radeon_mipmap_tree
*));
484 unsigned mtCount
= 0;
485 unsigned maxMtIndex
= 0;
486 radeon_mipmap_tree
*tmp
;
490 for (level
= firstLevel
; level
<= lastLevel
; ++level
) {
491 radeon_texture_image
*img
= get_radeon_texture_image(texObj
->base
.Image
[0][level
]);
493 // TODO: why this hack??
500 for (i
= 0; i
< mtCount
; ++i
) {
501 if (mts
[i
] == img
->mt
) {
503 mtSizes
[i
] += img
->mt
->levels
[img
->base
.Base
.Level
].size
;
508 if (!found
&& radeon_miptree_matches_texture(img
->mt
, &texObj
->base
)) {
509 mtSizes
[mtCount
] = img
->mt
->levels
[img
->base
.Base
.Level
].size
;
510 mts
[mtCount
] = img
->mt
;
521 for (i
= 1; i
< mtCount
; ++i
) {
522 if (mtSizes
[i
] > mtSizes
[maxMtIndex
]) {
527 tmp
= mts
[maxMtIndex
];
535 * Validate texture mipmap tree.
536 * If individual images are stored in different mipmap trees
537 * use the mipmap tree that has the most of the correct data.
539 int radeon_validate_texture_miptree(struct gl_context
* ctx
,
540 struct gl_sampler_object
*samp
,
541 struct gl_texture_object
*texObj
)
543 radeonContextPtr rmesa
= RADEON_CONTEXT(ctx
);
544 radeonTexObj
*t
= radeon_tex_obj(texObj
);
545 radeon_mipmap_tree
*dst_miptree
;
547 if (samp
== &texObj
->Sampler
&& (t
->validated
|| t
->image_override
)) {
551 calculate_min_max_lod(samp
, &t
->base
, &t
->minLod
, &t
->maxLod
);
553 radeon_print(RADEON_TEXTURE
, RADEON_NORMAL
,
554 "%s: Validating texture %p now, minLod = %d, maxLod = %d\n",
555 __FUNCTION__
, texObj
,t
->minLod
, t
->maxLod
);
557 dst_miptree
= get_biggest_matching_miptree(t
, t
->base
.BaseLevel
, t
->base
._MaxLevel
);
559 radeon_miptree_unreference(&t
->mt
);
561 radeon_try_alloc_miptree(rmesa
, t
);
562 radeon_print(RADEON_TEXTURE
, RADEON_NORMAL
,
563 "%s: No matching miptree found, allocated new one %p\n",
564 __FUNCTION__
, t
->mt
);
567 radeon_miptree_reference(dst_miptree
, &t
->mt
);
568 radeon_print(RADEON_TEXTURE
, RADEON_NORMAL
,
569 "%s: Using miptree %p\n", __FUNCTION__
, t
->mt
);
572 const unsigned faces
= _mesa_num_tex_faces(texObj
->Target
);
573 unsigned face
, level
;
574 radeon_texture_image
*img
;
575 /* Validate only the levels that will actually be used during rendering */
576 for (face
= 0; face
< faces
; ++face
) {
577 for (level
= t
->minLod
; level
<= t
->maxLod
; ++level
) {
578 img
= get_radeon_texture_image(texObj
->Image
[face
][level
]);
580 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
581 "Checking image level %d, face %d, mt %p ... ",
582 level
, face
, img
->mt
);
584 if (img
->mt
!= t
->mt
&& !img
->used_as_render_target
) {
585 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
,
588 struct radeon_bo
*src_bo
= (img
->mt
) ? img
->mt
->bo
: img
->bo
;
589 if (src_bo
&& radeon_bo_is_referenced_by_cs(src_bo
, rmesa
->cmdbuf
.cs
)) {
590 radeon_firevertices(rmesa
);
592 migrate_image_to_miptree(t
->mt
, img
, face
, level
);
594 radeon_print(RADEON_TEXTURE
, RADEON_TRACE
, "OK\n");
598 t
->validated
= GL_TRUE
;
603 uint32_t get_base_teximage_offset(radeonTexObj
*texObj
)
608 return radeon_miptree_image_offset(texObj
->mt
, 0, texObj
->minLod
);