1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "main/bufferobj.h"
30 #include "main/enums.h"
31 #include "main/errors.h"
32 #include "main/fbobject.h"
33 #include "main/formats.h"
34 #include "main/format_utils.h"
35 #include "main/glformats.h"
36 #include "main/image.h"
37 #include "main/imports.h"
38 #include "main/macros.h"
39 #include "main/mipmap.h"
40 #include "main/pack.h"
42 #include "main/pixeltransfer.h"
43 #include "main/texcompress.h"
44 #include "main/texcompress_astc.h"
45 #include "main/texcompress_etc.h"
46 #include "main/texgetimage.h"
47 #include "main/teximage.h"
48 #include "main/texobj.h"
49 #include "main/texstore.h"
51 #include "state_tracker/st_debug.h"
52 #include "state_tracker/st_context.h"
53 #include "state_tracker/st_cb_bitmap.h"
54 #include "state_tracker/st_cb_fbo.h"
55 #include "state_tracker/st_cb_flush.h"
56 #include "state_tracker/st_cb_texture.h"
57 #include "state_tracker/st_cb_bufferobjects.h"
58 #include "state_tracker/st_cb_memoryobjects.h"
59 #include "state_tracker/st_format.h"
60 #include "state_tracker/st_pbo.h"
61 #include "state_tracker/st_texture.h"
62 #include "state_tracker/st_gen_mipmap.h"
63 #include "state_tracker/st_atom.h"
64 #include "state_tracker/st_sampler_view.h"
65 #include "state_tracker/st_util.h"
67 #include "pipe/p_context.h"
68 #include "pipe/p_defines.h"
69 #include "util/u_inlines.h"
70 #include "util/u_upload_mgr.h"
71 #include "pipe/p_shader_tokens.h"
72 #include "util/u_tile.h"
73 #include "util/u_format.h"
74 #include "util/u_surface.h"
75 #include "util/u_sampler.h"
76 #include "util/u_math.h"
77 #include "util/u_box.h"
78 #include "util/u_simple_shaders.h"
79 #include "cso_cache/cso_context.h"
80 #include "tgsi/tgsi_ureg.h"
82 #define DBG if (0) printf
85 enum pipe_texture_target
86 gl_target_to_pipe(GLenum target
)
90 case GL_PROXY_TEXTURE_1D
:
91 return PIPE_TEXTURE_1D
;
93 case GL_PROXY_TEXTURE_2D
:
94 case GL_TEXTURE_EXTERNAL_OES
:
95 case GL_TEXTURE_2D_MULTISAMPLE
:
96 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
97 return PIPE_TEXTURE_2D
;
98 case GL_TEXTURE_RECTANGLE_NV
:
99 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
100 return PIPE_TEXTURE_RECT
;
102 case GL_PROXY_TEXTURE_3D
:
103 return PIPE_TEXTURE_3D
;
104 case GL_TEXTURE_CUBE_MAP_ARB
:
105 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
106 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
107 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
108 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
109 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
110 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
111 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
112 return PIPE_TEXTURE_CUBE
;
113 case GL_TEXTURE_1D_ARRAY_EXT
:
114 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
115 return PIPE_TEXTURE_1D_ARRAY
;
116 case GL_TEXTURE_2D_ARRAY_EXT
:
117 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
118 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
119 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
120 return PIPE_TEXTURE_2D_ARRAY
;
121 case GL_TEXTURE_BUFFER
:
123 case GL_TEXTURE_CUBE_MAP_ARRAY
:
124 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
125 return PIPE_TEXTURE_CUBE_ARRAY
;
133 /** called via ctx->Driver.NewTextureImage() */
134 static struct gl_texture_image
*
135 st_NewTextureImage(struct gl_context
* ctx
)
137 DBG("%s\n", __func__
);
139 return (struct gl_texture_image
*) ST_CALLOC_STRUCT(st_texture_image
);
143 /** called via ctx->Driver.DeleteTextureImage() */
145 st_DeleteTextureImage(struct gl_context
* ctx
, struct gl_texture_image
*img
)
147 /* nothing special (yet) for st_texture_image */
148 _mesa_delete_texture_image(ctx
, img
);
152 /** called via ctx->Driver.NewTextureObject() */
153 static struct gl_texture_object
*
154 st_NewTextureObject(struct gl_context
* ctx
, GLuint name
, GLenum target
)
156 struct st_texture_object
*obj
= ST_CALLOC_STRUCT(st_texture_object
);
160 /* Pre-allocate a sampler views container to save a branch in the
163 obj
->sampler_views
= calloc(1, sizeof(struct st_sampler_views
)
164 + sizeof(struct st_sampler_view
));
165 if (!obj
->sampler_views
) {
169 obj
->sampler_views
->max
= 1;
171 DBG("%s\n", __func__
);
172 _mesa_initialize_texture_object(ctx
, &obj
->base
, name
, target
);
174 simple_mtx_init(&obj
->validate_mutex
, mtx_plain
);
175 obj
->needs_validation
= true;
181 /** called via ctx->Driver.DeleteTextureObject() */
183 st_DeleteTextureObject(struct gl_context
*ctx
,
184 struct gl_texture_object
*texObj
)
186 struct st_context
*st
= st_context(ctx
);
187 struct st_texture_object
*stObj
= st_texture_object(texObj
);
189 pipe_resource_reference(&stObj
->pt
, NULL
);
190 st_delete_texture_sampler_views(st
, stObj
);
191 simple_mtx_destroy(&stObj
->validate_mutex
);
192 _mesa_delete_texture_object(ctx
, texObj
);
196 /** called via ctx->Driver.FreeTextureImageBuffer() */
198 st_FreeTextureImageBuffer(struct gl_context
*ctx
,
199 struct gl_texture_image
*texImage
)
201 struct st_context
*st
= st_context(ctx
);
202 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
203 struct st_texture_image
*stImage
= st_texture_image(texImage
);
205 DBG("%s\n", __func__
);
208 pipe_resource_reference(&stImage
->pt
, NULL
);
211 free(stImage
->transfer
);
212 stImage
->transfer
= NULL
;
213 stImage
->num_transfers
= 0;
215 if (stImage
->compressed_data
) {
216 free(stImage
->compressed_data
);
217 stImage
->compressed_data
= NULL
;
220 /* if the texture image is being deallocated, the structure of the
221 * texture is changing so we'll likely need a new sampler view.
223 st_texture_release_all_sampler_views(st
, stObj
);
228 st_compressed_format_fallback(struct st_context
*st
, mesa_format format
)
230 if (format
== MESA_FORMAT_ETC1_RGB8
)
231 return !st
->has_etc1
;
233 if (_mesa_is_format_etc2(format
))
234 return !st
->has_etc2
;
236 if (_mesa_is_format_astc_2d(format
))
237 return !st
->has_astc_2d_ldr
;
244 compressed_tex_fallback_allocate(struct st_context
*st
,
245 struct st_texture_image
*stImage
)
247 struct gl_texture_image
*texImage
= &stImage
->base
;
249 if (!st_compressed_format_fallback(st
, texImage
->TexFormat
))
252 if (stImage
->compressed_data
)
253 free(stImage
->compressed_data
);
255 unsigned data_size
= _mesa_format_image_size(texImage
->TexFormat
,
260 stImage
->compressed_data
=
261 malloc(data_size
* _mesa_num_tex_faces(texImage
->TexObject
->Target
));
265 /** called via ctx->Driver.MapTextureImage() */
267 st_MapTextureImage(struct gl_context
*ctx
,
268 struct gl_texture_image
*texImage
,
269 GLuint slice
, GLuint x
, GLuint y
, GLuint w
, GLuint h
,
271 GLubyte
**mapOut
, GLint
*rowStrideOut
)
273 struct st_context
*st
= st_context(ctx
);
274 struct st_texture_image
*stImage
= st_texture_image(texImage
);
276 struct pipe_transfer
*transfer
;
278 /* Check for unexpected flags */
279 assert((mode
& ~(GL_MAP_READ_BIT
|
281 GL_MAP_INVALIDATE_RANGE_BIT
)) == 0);
283 const enum pipe_transfer_usage transfer_flags
=
284 st_access_flags_to_transfer_flags(mode
, false);
286 map
= st_texture_image_map(st
, stImage
, transfer_flags
, x
, y
, slice
, w
, h
, 1,
289 if (st_compressed_format_fallback(st
, texImage
->TexFormat
)) {
290 /* Some compressed formats don't have to be supported by drivers,
291 * and st/mesa transparently handles decompression on upload (Unmap),
292 * so that drivers don't see the compressed formats.
294 * We store the compressed data (it's needed for glGetCompressedTex-
295 * Image and image copies in OES_copy_image).
297 unsigned z
= transfer
->box
.z
;
298 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
300 unsigned blk_w
, blk_h
;
301 _mesa_get_format_block_size(texImage
->TexFormat
, &blk_w
, &blk_h
);
303 unsigned y_blocks
= DIV_ROUND_UP(texImage
->Height2
, blk_h
);
304 unsigned stride
= *rowStrideOut
= itransfer
->temp_stride
=
305 _mesa_format_row_stride(texImage
->TexFormat
, texImage
->Width2
);
306 unsigned block_size
= _mesa_get_format_bytes(texImage
->TexFormat
);
308 *mapOut
= itransfer
->temp_data
=
309 stImage
->compressed_data
+
310 (z
* y_blocks
+ (y
/ blk_h
)) * stride
+
311 (x
/ blk_w
) * block_size
;
312 itransfer
->map
= map
;
315 /* supported mapping */
317 *rowStrideOut
= transfer
->stride
;
327 /** called via ctx->Driver.UnmapTextureImage() */
329 st_UnmapTextureImage(struct gl_context
*ctx
,
330 struct gl_texture_image
*texImage
,
333 struct st_context
*st
= st_context(ctx
);
334 struct st_texture_image
*stImage
= st_texture_image(texImage
);
336 if (st_compressed_format_fallback(st
, texImage
->TexFormat
)) {
337 /* Decompress the compressed image on upload if the driver doesn't
338 * support the compressed format. */
339 unsigned z
= slice
+ stImage
->base
.Face
;
340 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
341 struct pipe_transfer
*transfer
= itransfer
->transfer
;
343 assert(z
== transfer
->box
.z
);
345 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
346 if (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
) {
347 _mesa_etc1_unpack_rgba8888(itransfer
->map
, transfer
->stride
,
348 itransfer
->temp_data
,
349 itransfer
->temp_stride
,
351 transfer
->box
.height
);
352 } else if (_mesa_is_format_etc2(texImage
->TexFormat
)) {
353 bool bgra
= stImage
->pt
->format
== PIPE_FORMAT_B8G8R8A8_SRGB
;
354 _mesa_unpack_etc2_format(itransfer
->map
, transfer
->stride
,
355 itransfer
->temp_data
,
356 itransfer
->temp_stride
,
357 transfer
->box
.width
, transfer
->box
.height
,
360 } else if (_mesa_is_format_astc_2d(texImage
->TexFormat
)) {
361 _mesa_unpack_astc_2d_ldr(itransfer
->map
, transfer
->stride
,
362 itransfer
->temp_data
,
363 itransfer
->temp_stride
,
364 transfer
->box
.width
, transfer
->box
.height
,
365 texImage
->TexFormat
);
367 unreachable("unexpected format for a compressed format fallback");
371 itransfer
->temp_data
= NULL
;
372 itransfer
->temp_stride
= 0;
376 st_texture_image_unmap(st
, stImage
, slice
);
381 * Return default texture resource binding bitmask for the given format.
384 default_bindings(struct st_context
*st
, enum pipe_format format
)
386 struct pipe_screen
*screen
= st
->pipe
->screen
;
387 const unsigned target
= PIPE_TEXTURE_2D
;
390 if (util_format_is_depth_or_stencil(format
))
391 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_DEPTH_STENCIL
;
393 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
;
395 if (screen
->is_format_supported(screen
, format
, target
, 0, 0, bindings
))
399 format
= util_format_linear(format
);
401 if (screen
->is_format_supported(screen
, format
, target
, 0, 0, bindings
))
404 return PIPE_BIND_SAMPLER_VIEW
;
410 * Given the size of a mipmap image, try to compute the size of the level=0
413 * Note that this isn't always accurate for odd-sized, non-POW textures.
414 * For example, if level=1 and width=40 then the level=0 width may be 80 or 81.
416 * \return GL_TRUE for success, GL_FALSE for failure
419 guess_base_level_size(GLenum target
,
420 GLuint width
, GLuint height
, GLuint depth
, GLuint level
,
421 GLuint
*width0
, GLuint
*height0
, GLuint
*depth0
)
428 /* Guess the size of the base level.
429 * Depending on the image's size, we can't always make a guess here.
433 case GL_TEXTURE_1D_ARRAY
:
438 case GL_TEXTURE_2D_ARRAY
:
439 /* We can't make a good guess here, because the base level dimensions
442 if (width
== 1 || height
== 1) {
449 case GL_TEXTURE_CUBE_MAP
:
450 case GL_TEXTURE_CUBE_MAP_ARRAY
:
456 /* We can't make a good guess here, because the base level dimensions
459 if (width
== 1 || height
== 1 || depth
== 1) {
467 case GL_TEXTURE_RECTANGLE
:
484 * Try to determine whether we should allocate memory for a full texture
485 * mipmap. The problem is when we get a glTexImage(level=0) call, we
486 * can't immediately know if other mipmap levels are coming next. Here
487 * we try to guess whether to allocate memory for a mipmap or just the
490 * If we guess incorrectly here we'll later reallocate the right amount of
491 * memory either in st_AllocTextureImageBuffer() or st_finalize_texture().
493 * \param stObj the texture object we're going to allocate memory for.
494 * \param stImage describes the incoming image which we need to store.
497 allocate_full_mipmap(const struct st_texture_object
*stObj
,
498 const struct st_texture_image
*stImage
)
500 switch (stObj
->base
.Target
) {
501 case GL_TEXTURE_RECTANGLE_NV
:
502 case GL_TEXTURE_BUFFER
:
503 case GL_TEXTURE_EXTERNAL_OES
:
504 case GL_TEXTURE_2D_MULTISAMPLE
:
505 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
506 /* these texture types cannot be mipmapped */
510 if (stImage
->base
.Level
> 0 || stObj
->base
.GenerateMipmap
)
513 if (stImage
->base
._BaseFormat
== GL_DEPTH_COMPONENT
||
514 stImage
->base
._BaseFormat
== GL_DEPTH_STENCIL_EXT
)
515 /* depth/stencil textures are seldom mipmapped */
518 if (stObj
->base
.BaseLevel
== 0 && stObj
->base
.MaxLevel
== 0)
521 if (stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
||
522 stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
)
523 /* not a mipmap minification filter */
526 /* If the following sequence of GL calls is used:
527 * glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, ...
528 * glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
530 * we would needlessly allocate a mipmapped texture, because the initial
531 * MinFilter is GL_NEAREST_MIPMAP_LINEAR. Catch this case and don't
532 * allocate a mipmapped texture by default. This may cause texture
533 * reallocation later, but GL_NEAREST_MIPMAP_LINEAR is pretty rare.
535 if (stObj
->base
.Sampler
.MinFilter
== GL_NEAREST_MIPMAP_LINEAR
)
538 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
539 /* 3D textures are seldom mipmapped */
547 * Try to allocate a pipe_resource object for the given st_texture_object.
549 * We use the given st_texture_image as a clue to determine the size of the
550 * mipmap image at level=0.
552 * \return GL_TRUE for success, GL_FALSE if out of memory.
555 guess_and_alloc_texture(struct st_context
*st
,
556 struct st_texture_object
*stObj
,
557 const struct st_texture_image
*stImage
)
559 const struct gl_texture_image
*firstImage
;
560 GLuint lastLevel
, width
, height
, depth
;
563 uint16_t ptHeight
, ptDepth
, ptLayers
;
564 enum pipe_format fmt
;
565 bool guessed_box
= false;
567 DBG("%s\n", __func__
);
571 /* If a base level image with compatible size exists, use that as our guess.
573 firstImage
= _mesa_base_tex_image(&stObj
->base
);
575 firstImage
->Width2
> 0 &&
576 firstImage
->Height2
> 0 &&
577 firstImage
->Depth2
> 0 &&
578 guess_base_level_size(stObj
->base
.Target
,
583 &width
, &height
, &depth
)) {
584 if (stImage
->base
.Width2
== u_minify(width
, stImage
->base
.Level
) &&
585 stImage
->base
.Height2
== u_minify(height
, stImage
->base
.Level
) &&
586 stImage
->base
.Depth2
== u_minify(depth
, stImage
->base
.Level
))
591 guessed_box
= guess_base_level_size(stObj
->base
.Target
,
592 stImage
->base
.Width2
,
593 stImage
->base
.Height2
,
594 stImage
->base
.Depth2
,
596 &width
, &height
, &depth
);
599 /* we can't determine the image size at level=0 */
600 /* this is not an out of memory error */
604 /* At this point, (width x height x depth) is the expected size of
605 * the level=0 mipmap image.
608 /* Guess a reasonable value for lastLevel. With OpenGL we have no
609 * idea how many mipmap levels will be in a texture until we start
610 * to render with it. Make an educated guess here but be prepared
611 * to re-allocating a texture buffer with space for more (or fewer)
612 * mipmap levels later.
614 if (allocate_full_mipmap(stObj
, stImage
)) {
615 /* alloc space for a full mipmap */
616 lastLevel
= _mesa_get_tex_max_num_levels(stObj
->base
.Target
,
617 width
, height
, depth
) - 1;
620 /* only alloc space for a single mipmap level */
624 fmt
= st_mesa_format_to_pipe_format(st
, stImage
->base
.TexFormat
);
626 bindings
= default_bindings(st
, fmt
);
628 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
629 width
, height
, depth
,
630 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
632 stObj
->pt
= st_texture_create(st
,
633 gl_target_to_pipe(stObj
->base
.Target
),
642 stObj
->lastLevel
= lastLevel
;
644 DBG("%s returning %d\n", __func__
, (stObj
->pt
!= NULL
));
646 return stObj
->pt
!= NULL
;
651 * Called via ctx->Driver.AllocTextureImageBuffer().
652 * If the texture object/buffer already has space for the indicated image,
653 * we're done. Otherwise, allocate memory for the new texture image.
656 st_AllocTextureImageBuffer(struct gl_context
*ctx
,
657 struct gl_texture_image
*texImage
)
659 struct st_context
*st
= st_context(ctx
);
660 struct st_texture_image
*stImage
= st_texture_image(texImage
);
661 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
662 const GLuint level
= texImage
->Level
;
663 GLuint width
= texImage
->Width
;
664 GLuint height
= texImage
->Height
;
665 GLuint depth
= texImage
->Depth
;
667 DBG("%s\n", __func__
);
669 assert(!stImage
->pt
); /* xxx this might be wrong */
671 stObj
->needs_validation
= true;
673 compressed_tex_fallback_allocate(st
, stImage
);
675 /* Look if the parent texture object has space for this image */
677 level
<= stObj
->pt
->last_level
&&
678 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
679 /* this image will fit in the existing texture object's memory */
680 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
684 /* The parent texture object does not have space for this image */
686 pipe_resource_reference(&stObj
->pt
, NULL
);
687 st_texture_release_all_sampler_views(st
, stObj
);
689 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
690 /* Probably out of memory.
691 * Try flushing any pending rendering, then retry.
694 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
695 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
701 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
702 /* The image will live in the object's mipmap memory */
703 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
708 /* Create a new, temporary texture/resource/buffer to hold this
709 * one texture image. Note that when we later access this image
710 * (either for mapping or copying) we'll want to always specify
711 * mipmap level=0, even if the image represents some other mipmap
714 enum pipe_format format
=
715 st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
716 GLuint bindings
= default_bindings(st
, format
);
718 uint16_t ptHeight
, ptDepth
, ptLayers
;
720 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
721 width
, height
, depth
,
722 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
724 stImage
->pt
= st_texture_create(st
,
725 gl_target_to_pipe(stObj
->base
.Target
),
733 return stImage
->pt
!= NULL
;
739 * Preparation prior to glTexImage. Basically check the 'surface_based'
740 * field and switch to a "normal" tex image if necessary.
743 prep_teximage(struct gl_context
*ctx
, struct gl_texture_image
*texImage
,
744 GLenum format
, GLenum type
)
746 struct gl_texture_object
*texObj
= texImage
->TexObject
;
747 struct st_texture_object
*stObj
= st_texture_object(texObj
);
749 /* switch to "normal" */
750 if (stObj
->surface_based
) {
751 const GLenum target
= texObj
->Target
;
752 const GLuint level
= texImage
->Level
;
753 mesa_format texFormat
;
755 assert(!st_texture_image(texImage
)->pt
);
756 _mesa_clear_texture_object(ctx
, texObj
, texImage
);
757 stObj
->layer_override
= 0;
758 stObj
->level_override
= 0;
759 pipe_resource_reference(&stObj
->pt
, NULL
);
761 /* oops, need to init this image again */
762 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
763 texImage
->InternalFormat
, format
,
766 _mesa_init_teximage_fields(ctx
, texImage
,
767 texImage
->Width
, texImage
->Height
,
768 texImage
->Depth
, texImage
->Border
,
769 texImage
->InternalFormat
, texFormat
);
771 stObj
->surface_based
= GL_FALSE
;
777 * Return a writemask for the gallium blit. The parameters can be base
778 * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
781 st_get_blit_mask(GLenum srcFormat
, GLenum dstFormat
)
784 case GL_DEPTH_STENCIL
:
786 case GL_DEPTH_STENCIL
:
788 case GL_DEPTH_COMPONENT
:
790 case GL_STENCIL_INDEX
:
797 case GL_DEPTH_COMPONENT
:
799 case GL_DEPTH_STENCIL
:
800 case GL_DEPTH_COMPONENT
:
807 case GL_STENCIL_INDEX
:
809 case GL_DEPTH_STENCIL
:
810 case GL_STENCIL_INDEX
:
818 return PIPE_MASK_RGBA
;
823 * Converts format to a format with the same components, types
824 * and sizes, but with the components in RGBA order.
826 static enum pipe_format
827 unswizzle_format(enum pipe_format format
)
831 case PIPE_FORMAT_B8G8R8A8_UNORM
:
832 case PIPE_FORMAT_A8R8G8B8_UNORM
:
833 case PIPE_FORMAT_A8B8G8R8_UNORM
:
834 return PIPE_FORMAT_R8G8B8A8_UNORM
;
836 case PIPE_FORMAT_B10G10R10A2_UNORM
:
837 return PIPE_FORMAT_R10G10B10A2_UNORM
;
839 case PIPE_FORMAT_B10G10R10A2_SNORM
:
840 return PIPE_FORMAT_R10G10B10A2_SNORM
;
842 case PIPE_FORMAT_B10G10R10A2_UINT
:
843 return PIPE_FORMAT_R10G10B10A2_UINT
;
852 * Converts PIPE_FORMAT_A* to PIPE_FORMAT_R*.
854 static enum pipe_format
855 alpha_to_red(enum pipe_format format
)
859 case PIPE_FORMAT_A8_UNORM
:
860 return PIPE_FORMAT_R8_UNORM
;
861 case PIPE_FORMAT_A8_SNORM
:
862 return PIPE_FORMAT_R8_SNORM
;
863 case PIPE_FORMAT_A8_UINT
:
864 return PIPE_FORMAT_R8_UINT
;
865 case PIPE_FORMAT_A8_SINT
:
866 return PIPE_FORMAT_R8_SINT
;
868 case PIPE_FORMAT_A16_UNORM
:
869 return PIPE_FORMAT_R16_UNORM
;
870 case PIPE_FORMAT_A16_SNORM
:
871 return PIPE_FORMAT_R16_SNORM
;
872 case PIPE_FORMAT_A16_UINT
:
873 return PIPE_FORMAT_R16_UINT
;
874 case PIPE_FORMAT_A16_SINT
:
875 return PIPE_FORMAT_R16_SINT
;
876 case PIPE_FORMAT_A16_FLOAT
:
877 return PIPE_FORMAT_R16_FLOAT
;
879 case PIPE_FORMAT_A32_UINT
:
880 return PIPE_FORMAT_R32_UINT
;
881 case PIPE_FORMAT_A32_SINT
:
882 return PIPE_FORMAT_R32_SINT
;
883 case PIPE_FORMAT_A32_FLOAT
:
884 return PIPE_FORMAT_R32_FLOAT
;
893 * Converts PIPE_FORMAT_R*A* to PIPE_FORMAT_R*G*.
895 static enum pipe_format
896 red_alpha_to_red_green(enum pipe_format format
)
900 case PIPE_FORMAT_R8A8_UNORM
:
901 return PIPE_FORMAT_R8G8_UNORM
;
902 case PIPE_FORMAT_R8A8_SNORM
:
903 return PIPE_FORMAT_R8G8_SNORM
;
904 case PIPE_FORMAT_R8A8_UINT
:
905 return PIPE_FORMAT_R8G8_UINT
;
906 case PIPE_FORMAT_R8A8_SINT
:
907 return PIPE_FORMAT_R8G8_SINT
;
909 case PIPE_FORMAT_R16A16_UNORM
:
910 return PIPE_FORMAT_R16G16_UNORM
;
911 case PIPE_FORMAT_R16A16_SNORM
:
912 return PIPE_FORMAT_R16G16_SNORM
;
913 case PIPE_FORMAT_R16A16_UINT
:
914 return PIPE_FORMAT_R16G16_UINT
;
915 case PIPE_FORMAT_R16A16_SINT
:
916 return PIPE_FORMAT_R16G16_SINT
;
917 case PIPE_FORMAT_R16A16_FLOAT
:
918 return PIPE_FORMAT_R16G16_FLOAT
;
920 case PIPE_FORMAT_R32A32_UINT
:
921 return PIPE_FORMAT_R32G32_UINT
;
922 case PIPE_FORMAT_R32A32_SINT
:
923 return PIPE_FORMAT_R32G32_SINT
;
924 case PIPE_FORMAT_R32A32_FLOAT
:
925 return PIPE_FORMAT_R32G32_FLOAT
;
934 * Converts PIPE_FORMAT_L*A* to PIPE_FORMAT_R*G*.
936 static enum pipe_format
937 luminance_alpha_to_red_green(enum pipe_format format
)
941 case PIPE_FORMAT_L8A8_UNORM
:
942 return PIPE_FORMAT_R8G8_UNORM
;
943 case PIPE_FORMAT_L8A8_SNORM
:
944 return PIPE_FORMAT_R8G8_SNORM
;
945 case PIPE_FORMAT_L8A8_UINT
:
946 return PIPE_FORMAT_R8G8_UINT
;
947 case PIPE_FORMAT_L8A8_SINT
:
948 return PIPE_FORMAT_R8G8_SINT
;
950 case PIPE_FORMAT_L16A16_UNORM
:
951 return PIPE_FORMAT_R16G16_UNORM
;
952 case PIPE_FORMAT_L16A16_SNORM
:
953 return PIPE_FORMAT_R16G16_SNORM
;
954 case PIPE_FORMAT_L16A16_UINT
:
955 return PIPE_FORMAT_R16G16_UINT
;
956 case PIPE_FORMAT_L16A16_SINT
:
957 return PIPE_FORMAT_R16G16_SINT
;
958 case PIPE_FORMAT_L16A16_FLOAT
:
959 return PIPE_FORMAT_R16G16_FLOAT
;
961 case PIPE_FORMAT_L32A32_UINT
:
962 return PIPE_FORMAT_R32G32_UINT
;
963 case PIPE_FORMAT_L32A32_SINT
:
964 return PIPE_FORMAT_R32G32_SINT
;
965 case PIPE_FORMAT_L32A32_FLOAT
:
966 return PIPE_FORMAT_R32G32_FLOAT
;
975 * Returns true if format is a PIPE_FORMAT_A* format, and false otherwise.
978 format_is_alpha(enum pipe_format format
)
980 const struct util_format_description
*desc
= util_format_description(format
);
982 if (desc
->nr_channels
== 1 &&
983 desc
->swizzle
[0] == PIPE_SWIZZLE_0
&&
984 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
985 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
986 desc
->swizzle
[3] == PIPE_SWIZZLE_X
)
994 * Returns true if format is a PIPE_FORMAT_R* format, and false otherwise.
997 format_is_red(enum pipe_format format
)
999 const struct util_format_description
*desc
= util_format_description(format
);
1001 if (desc
->nr_channels
== 1 &&
1002 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
1003 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
1004 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
1005 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1013 * Returns true if format is a PIPE_FORMAT_L* format, and false otherwise.
1016 format_is_luminance(enum pipe_format format
)
1018 const struct util_format_description
*desc
= util_format_description(format
);
1020 if (desc
->nr_channels
== 1 &&
1021 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
1022 desc
->swizzle
[1] == PIPE_SWIZZLE_X
&&
1023 desc
->swizzle
[2] == PIPE_SWIZZLE_X
&&
1024 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1031 * Returns true if format is a PIPE_FORMAT_R*A* format, and false otherwise.
1034 format_is_red_alpha(enum pipe_format format
)
1036 const struct util_format_description
*desc
= util_format_description(format
);
1038 if (desc
->nr_channels
== 2 &&
1039 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
1040 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
1041 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
1042 desc
->swizzle
[3] == PIPE_SWIZZLE_Y
)
1050 format_is_swizzled_rgba(enum pipe_format format
)
1052 const struct util_format_description
*desc
= util_format_description(format
);
1054 if ((desc
->swizzle
[0] == TGSI_SWIZZLE_X
|| desc
->swizzle
[0] == PIPE_SWIZZLE_0
) &&
1055 (desc
->swizzle
[1] == TGSI_SWIZZLE_Y
|| desc
->swizzle
[1] == PIPE_SWIZZLE_0
) &&
1056 (desc
->swizzle
[2] == TGSI_SWIZZLE_Z
|| desc
->swizzle
[2] == PIPE_SWIZZLE_0
) &&
1057 (desc
->swizzle
[3] == TGSI_SWIZZLE_W
|| desc
->swizzle
[3] == PIPE_SWIZZLE_1
))
1066 unsigned char swizzle
[4];
1067 enum pipe_format format
;
1070 static const struct format_table table_8888_unorm
[] = {
1071 { { 0, 1, 2, 3 }, PIPE_FORMAT_R8G8B8A8_UNORM
},
1072 { { 2, 1, 0, 3 }, PIPE_FORMAT_B8G8R8A8_UNORM
},
1073 { { 3, 0, 1, 2 }, PIPE_FORMAT_A8R8G8B8_UNORM
},
1074 { { 3, 2, 1, 0 }, PIPE_FORMAT_A8B8G8R8_UNORM
}
1077 static const struct format_table table_1010102_unorm
[] = {
1078 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UNORM
},
1079 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UNORM
}
1082 static const struct format_table table_1010102_snorm
[] = {
1083 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_SNORM
},
1084 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_SNORM
}
1087 static const struct format_table table_1010102_uint
[] = {
1088 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UINT
},
1089 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UINT
}
1092 static enum pipe_format
1093 swizzle_format(enum pipe_format format
, const int * const swizzle
)
1098 case PIPE_FORMAT_R8G8B8A8_UNORM
:
1099 case PIPE_FORMAT_B8G8R8A8_UNORM
:
1100 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1101 case PIPE_FORMAT_A8B8G8R8_UNORM
:
1102 for (i
= 0; i
< ARRAY_SIZE(table_8888_unorm
); i
++) {
1103 if (swizzle
[0] == table_8888_unorm
[i
].swizzle
[0] &&
1104 swizzle
[1] == table_8888_unorm
[i
].swizzle
[1] &&
1105 swizzle
[2] == table_8888_unorm
[i
].swizzle
[2] &&
1106 swizzle
[3] == table_8888_unorm
[i
].swizzle
[3])
1107 return table_8888_unorm
[i
].format
;
1111 case PIPE_FORMAT_R10G10B10A2_UNORM
:
1112 case PIPE_FORMAT_B10G10R10A2_UNORM
:
1113 for (i
= 0; i
< ARRAY_SIZE(table_1010102_unorm
); i
++) {
1114 if (swizzle
[0] == table_1010102_unorm
[i
].swizzle
[0] &&
1115 swizzle
[1] == table_1010102_unorm
[i
].swizzle
[1] &&
1116 swizzle
[2] == table_1010102_unorm
[i
].swizzle
[2] &&
1117 swizzle
[3] == table_1010102_unorm
[i
].swizzle
[3])
1118 return table_1010102_unorm
[i
].format
;
1122 case PIPE_FORMAT_R10G10B10A2_SNORM
:
1123 case PIPE_FORMAT_B10G10R10A2_SNORM
:
1124 for (i
= 0; i
< ARRAY_SIZE(table_1010102_snorm
); i
++) {
1125 if (swizzle
[0] == table_1010102_snorm
[i
].swizzle
[0] &&
1126 swizzle
[1] == table_1010102_snorm
[i
].swizzle
[1] &&
1127 swizzle
[2] == table_1010102_snorm
[i
].swizzle
[2] &&
1128 swizzle
[3] == table_1010102_snorm
[i
].swizzle
[3])
1129 return table_1010102_snorm
[i
].format
;
1133 case PIPE_FORMAT_R10G10B10A2_UINT
:
1134 case PIPE_FORMAT_B10G10R10A2_UINT
:
1135 for (i
= 0; i
< ARRAY_SIZE(table_1010102_uint
); i
++) {
1136 if (swizzle
[0] == table_1010102_uint
[i
].swizzle
[0] &&
1137 swizzle
[1] == table_1010102_uint
[i
].swizzle
[1] &&
1138 swizzle
[2] == table_1010102_uint
[i
].swizzle
[2] &&
1139 swizzle
[3] == table_1010102_uint
[i
].swizzle
[3])
1140 return table_1010102_uint
[i
].format
;
1148 return PIPE_FORMAT_NONE
;
1152 reinterpret_formats(enum pipe_format
*src_format
, enum pipe_format
*dst_format
)
1154 enum pipe_format src
= *src_format
;
1155 enum pipe_format dst
= *dst_format
;
1157 /* Note: dst_format has already been transformed from luminance/intensity
1158 * to red when this function is called. The source format will never
1159 * be an intensity format, because GL_INTENSITY is not a legal value
1160 * for the format parameter in glTex(Sub)Image(). */
1162 if (format_is_alpha(src
)) {
1163 if (!format_is_alpha(dst
))
1166 src
= alpha_to_red(src
);
1167 dst
= alpha_to_red(dst
);
1168 } else if (format_is_luminance(src
)) {
1169 if (!format_is_red(dst
) && !format_is_red_alpha(dst
))
1172 src
= util_format_luminance_to_red(src
);
1173 } else if (util_format_is_luminance_alpha(src
)) {
1174 src
= luminance_alpha_to_red_green(src
);
1176 if (format_is_red_alpha(dst
)) {
1177 dst
= red_alpha_to_red_green(dst
);
1178 } else if (!format_is_red(dst
))
1180 } else if (format_is_swizzled_rgba(src
)) {
1181 const struct util_format_description
*src_desc
= util_format_description(src
);
1182 const struct util_format_description
*dst_desc
= util_format_description(dst
);
1186 /* Make sure the format is an RGBA and not an RGBX format */
1187 if (src_desc
->nr_channels
!= 4 || src_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1190 if (dst_desc
->nr_channels
!= 4 || dst_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1193 for (i
= 0; i
< 4; i
++)
1194 swizzle
[i
] = dst_desc
->swizzle
[src_desc
->swizzle
[i
]];
1196 dst
= swizzle_format(dst
, swizzle
);
1197 if (dst
== PIPE_FORMAT_NONE
)
1200 src
= unswizzle_format(src
);
1209 try_pbo_upload_common(struct gl_context
*ctx
,
1210 struct pipe_surface
*surface
,
1211 const struct st_pbo_addresses
*addr
,
1212 enum pipe_format src_format
)
1214 struct st_context
*st
= st_context(ctx
);
1215 struct cso_context
*cso
= st
->cso_context
;
1216 struct pipe_context
*pipe
= st
->pipe
;
1217 bool success
= false;
1220 fs
= st_pbo_get_upload_fs(st
, src_format
, surface
->format
);
1224 cso_save_state(cso
, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
1225 CSO_BIT_VERTEX_ELEMENTS
|
1226 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
1227 CSO_BIT_FRAMEBUFFER
|
1230 CSO_BIT_DEPTH_STENCIL_ALPHA
|
1231 CSO_BIT_RASTERIZER
|
1232 CSO_BIT_STREAM_OUTPUTS
|
1233 CSO_BIT_PAUSE_QUERIES
|
1234 CSO_BIT_SAMPLE_MASK
|
1235 CSO_BIT_MIN_SAMPLES
|
1236 CSO_BIT_RENDER_CONDITION
|
1237 CSO_BITS_ALL_SHADERS
));
1238 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1240 cso_set_sample_mask(cso
, ~0);
1241 cso_set_min_samples(cso
, 1);
1242 cso_set_render_condition(cso
, NULL
, FALSE
, 0);
1244 /* Set up the sampler_view */
1246 struct pipe_sampler_view templ
;
1247 struct pipe_sampler_view
*sampler_view
;
1249 memset(&templ
, 0, sizeof(templ
));
1250 templ
.target
= PIPE_BUFFER
;
1251 templ
.format
= src_format
;
1252 templ
.u
.buf
.offset
= addr
->first_element
* addr
->bytes_per_pixel
;
1253 templ
.u
.buf
.size
= (addr
->last_element
- addr
->first_element
+ 1) *
1254 addr
->bytes_per_pixel
;
1255 templ
.swizzle_r
= PIPE_SWIZZLE_X
;
1256 templ
.swizzle_g
= PIPE_SWIZZLE_Y
;
1257 templ
.swizzle_b
= PIPE_SWIZZLE_Z
;
1258 templ
.swizzle_a
= PIPE_SWIZZLE_W
;
1260 sampler_view
= pipe
->create_sampler_view(pipe
, addr
->buffer
, &templ
);
1261 if (sampler_view
== NULL
)
1264 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1, &sampler_view
);
1266 pipe_sampler_view_reference(&sampler_view
, NULL
);
1269 /* Framebuffer_state */
1271 struct pipe_framebuffer_state fb
;
1272 memset(&fb
, 0, sizeof(fb
));
1273 fb
.width
= surface
->width
;
1274 fb
.height
= surface
->height
;
1276 fb
.cbufs
[0] = surface
;
1278 cso_set_framebuffer(cso
, &fb
);
1281 cso_set_viewport_dims(cso
, surface
->width
, surface
->height
, FALSE
);
1284 cso_set_blend(cso
, &st
->pbo
.upload_blend
);
1286 /* Depth/stencil/alpha state */
1288 struct pipe_depth_stencil_alpha_state dsa
;
1289 memset(&dsa
, 0, sizeof(dsa
));
1290 cso_set_depth_stencil_alpha(cso
, &dsa
);
1293 /* Set up the fragment shader */
1294 cso_set_fragment_shader_handle(cso
, fs
);
1296 success
= st_pbo_draw(st
, addr
, surface
->width
, surface
->height
);
1299 cso_restore_state(cso
);
1300 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1307 try_pbo_upload(struct gl_context
*ctx
, GLuint dims
,
1308 struct gl_texture_image
*texImage
,
1309 GLenum format
, GLenum type
,
1310 enum pipe_format dst_format
,
1311 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1312 GLint width
, GLint height
, GLint depth
,
1314 const struct gl_pixelstore_attrib
*unpack
)
1316 struct st_context
*st
= st_context(ctx
);
1317 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1318 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1319 struct pipe_resource
*texture
= stImage
->pt
;
1320 struct pipe_context
*pipe
= st
->pipe
;
1321 struct pipe_screen
*screen
= pipe
->screen
;
1322 struct pipe_surface
*surface
= NULL
;
1323 struct st_pbo_addresses addr
;
1324 enum pipe_format src_format
;
1325 const struct util_format_description
*desc
;
1326 GLenum gl_target
= texImage
->TexObject
->Target
;
1329 if (!st
->pbo
.upload_enabled
)
1332 /* From now on, we need the gallium representation of dimensions. */
1333 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1340 if (depth
!= 1 && !st
->pbo
.layers
)
1343 /* Choose the source format. Initially, we do so without checking driver
1344 * support at all because of the remapping we later perform and because
1345 * at least the Radeon driver actually supports some formats for texture
1346 * buffers which it doesn't support for regular textures. */
1347 src_format
= st_choose_matching_format(st
, 0, format
, type
,
1353 src_format
= util_format_linear(src_format
);
1354 desc
= util_format_description(src_format
);
1356 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
1359 if (desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
1362 if (st
->pbo
.rgba_only
) {
1363 enum pipe_format orig_dst_format
= dst_format
;
1365 if (!reinterpret_formats(&src_format
, &dst_format
)) {
1369 if (dst_format
!= orig_dst_format
&&
1370 !screen
->is_format_supported(screen
, dst_format
, PIPE_TEXTURE_2D
, 0,
1371 0, PIPE_BIND_RENDER_TARGET
)) {
1377 !screen
->is_format_supported(screen
, src_format
, PIPE_BUFFER
, 0, 0,
1378 PIPE_BIND_SAMPLER_VIEW
)) {
1382 /* Compute buffer addresses */
1383 addr
.xoffset
= xoffset
;
1384 addr
.yoffset
= yoffset
;
1386 addr
.height
= height
;
1388 addr
.bytes_per_pixel
= desc
->block
.bits
/ 8;
1390 if (!st_pbo_addresses_pixelstore(st
, gl_target
, dims
== 3, unpack
, pixels
,
1394 /* Set up the surface */
1396 unsigned level
= stObj
->pt
!= stImage
->pt
1397 ? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1398 unsigned max_layer
= util_max_layer(texture
, level
);
1400 zoffset
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1402 struct pipe_surface templ
;
1403 memset(&templ
, 0, sizeof(templ
));
1404 templ
.format
= dst_format
;
1405 templ
.u
.tex
.level
= level
;
1406 templ
.u
.tex
.first_layer
= MIN2(zoffset
, max_layer
);
1407 templ
.u
.tex
.last_layer
= MIN2(zoffset
+ depth
- 1, max_layer
);
1409 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1414 success
= try_pbo_upload_common(ctx
, surface
, &addr
, src_format
);
1416 pipe_surface_reference(&surface
, NULL
);
1423 st_TexSubImage(struct gl_context
*ctx
, GLuint dims
,
1424 struct gl_texture_image
*texImage
,
1425 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1426 GLint width
, GLint height
, GLint depth
,
1427 GLenum format
, GLenum type
, const void *pixels
,
1428 const struct gl_pixelstore_attrib
*unpack
)
1430 struct st_context
*st
= st_context(ctx
);
1431 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1432 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1433 struct pipe_context
*pipe
= st
->pipe
;
1434 struct pipe_screen
*screen
= pipe
->screen
;
1435 struct pipe_resource
*dst
= stImage
->pt
;
1436 struct pipe_resource
*src
= NULL
;
1437 struct pipe_resource src_templ
;
1438 struct pipe_transfer
*transfer
;
1439 struct pipe_blit_info blit
;
1440 enum pipe_format src_format
, dst_format
;
1441 mesa_format mesa_src_format
;
1442 GLenum gl_target
= texImage
->TexObject
->Target
;
1445 unsigned dstz
= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1446 unsigned dst_level
= 0;
1447 bool throttled
= false;
1449 st_flush_bitmap_cache(st
);
1450 st_invalidate_readpix_cache(st
);
1452 if (stObj
->pt
== stImage
->pt
)
1453 dst_level
= texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1455 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1456 !_mesa_is_format_astc_2d(texImage
->TexFormat
) &&
1457 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1462 /* Try texture_subdata, which should be the fastest memcpy path. */
1464 !_mesa_is_bufferobj(unpack
->BufferObj
) &&
1465 _mesa_texstore_can_use_memcpy(ctx
, texImage
->_BaseFormat
,
1466 texImage
->TexFormat
, format
, type
,
1468 struct pipe_box box
;
1469 unsigned stride
, layer_stride
;
1472 stride
= _mesa_image_row_stride(unpack
, width
, format
, type
);
1473 layer_stride
= _mesa_image_image_stride(unpack
, width
, height
, format
,
1475 data
= _mesa_image_address(dims
, unpack
, pixels
, width
, height
, format
,
1478 /* Convert to Gallium coordinates. */
1479 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1484 layer_stride
= stride
;
1487 util_throttle_memory_usage(pipe
, &st
->throttle
,
1488 width
* height
* depth
*
1489 util_format_get_blocksize(dst
->format
));
1491 u_box_3d(xoffset
, yoffset
, zoffset
+ dstz
, width
, height
, depth
, &box
);
1492 pipe
->texture_subdata(pipe
, dst
, dst_level
, 0,
1493 &box
, data
, stride
, layer_stride
);
1497 if (!st
->prefer_blit_based_texture_transfer
) {
1501 /* XXX Fallback for depth-stencil formats due to an incomplete stencil
1502 * blit implementation in some drivers. */
1503 if (format
== GL_DEPTH_STENCIL
) {
1507 /* If the base internal format and the texture format don't match,
1508 * we can't use blit-based TexSubImage. */
1509 if (texImage
->_BaseFormat
!=
1510 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1515 /* See if the destination format is supported. */
1516 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1517 bind
= PIPE_BIND_DEPTH_STENCIL
;
1519 bind
= PIPE_BIND_RENDER_TARGET
;
1521 /* For luminance and intensity, only the red channel is stored
1522 * in the destination. */
1523 dst_format
= util_format_linear(dst
->format
);
1524 dst_format
= util_format_luminance_to_red(dst_format
);
1525 dst_format
= util_format_intensity_to_red(dst_format
);
1528 !screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1529 dst
->nr_samples
, dst
->nr_storage_samples
,
1534 if (_mesa_is_bufferobj(unpack
->BufferObj
)) {
1535 if (try_pbo_upload(ctx
, dims
, texImage
, format
, type
, dst_format
,
1536 xoffset
, yoffset
, zoffset
,
1537 width
, height
, depth
, pixels
, unpack
))
1541 /* See if the texture format already matches the format and type,
1542 * in which case the memcpy-based fast path will likely be used and
1543 * we don't have to blit. */
1544 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1545 type
, unpack
->SwapBytes
, NULL
)) {
1549 /* Choose the source format. */
1550 src_format
= st_choose_matching_format(st
, PIPE_BIND_SAMPLER_VIEW
,
1551 format
, type
, unpack
->SwapBytes
);
1556 mesa_src_format
= st_pipe_format_to_mesa_format(src_format
);
1558 /* There is no reason to do this if we cannot use memcpy for the temporary
1559 * source texture at least. This also takes transfer ops into account,
1561 if (!_mesa_texstore_can_use_memcpy(ctx
,
1562 _mesa_get_format_base_format(mesa_src_format
),
1563 mesa_src_format
, format
, type
, unpack
)) {
1567 /* TexSubImage only sets a single cubemap face. */
1568 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
1569 gl_target
= GL_TEXTURE_2D
;
1571 /* TexSubImage can specify subsets of cube map array faces
1572 * so we need to upload via 2D array instead */
1573 if (gl_target
== GL_TEXTURE_CUBE_MAP_ARRAY
) {
1574 gl_target
= GL_TEXTURE_2D_ARRAY
;
1577 /* Initialize the source texture description. */
1578 memset(&src_templ
, 0, sizeof(src_templ
));
1579 src_templ
.target
= gl_target_to_pipe(gl_target
);
1580 src_templ
.format
= src_format
;
1581 src_templ
.bind
= PIPE_BIND_SAMPLER_VIEW
;
1582 src_templ
.usage
= PIPE_USAGE_STAGING
;
1584 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
1585 &src_templ
.width0
, &src_templ
.height0
,
1586 &src_templ
.depth0
, &src_templ
.array_size
);
1588 /* Check for NPOT texture support. */
1589 if (!screen
->get_param(screen
, PIPE_CAP_NPOT_TEXTURES
) &&
1590 (!util_is_power_of_two_or_zero(src_templ
.width0
) ||
1591 !util_is_power_of_two_or_zero(src_templ
.height0
) ||
1592 !util_is_power_of_two_or_zero(src_templ
.depth0
))) {
1596 util_throttle_memory_usage(pipe
, &st
->throttle
,
1597 width
* height
* depth
*
1598 util_format_get_blocksize(src_templ
.format
));
1601 /* Create the source texture. */
1602 src
= screen
->resource_create(screen
, &src_templ
);
1607 /* Map source pixels. */
1608 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, depth
,
1609 format
, type
, pixels
, unpack
,
1612 /* This is a GL error. */
1613 pipe_resource_reference(&src
, NULL
);
1617 /* From now on, we need the gallium representation of dimensions. */
1618 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1625 map
= pipe_transfer_map_3d(pipe
, src
, 0, PIPE_TRANSFER_WRITE
, 0, 0, 0,
1626 width
, height
, depth
, &transfer
);
1628 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1629 pipe_resource_reference(&src
, NULL
);
1633 /* Upload pixels (just memcpy). */
1635 const uint bytesPerRow
= width
* util_format_get_blocksize(src_format
);
1638 for (slice
= 0; slice
< (unsigned) depth
; slice
++) {
1639 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1640 /* 1D array textures.
1641 * We need to convert gallium coords to GL coords.
1643 void *src
= _mesa_image_address2d(unpack
, pixels
,
1644 width
, depth
, format
,
1646 memcpy(map
, src
, bytesPerRow
);
1649 ubyte
*slice_map
= map
;
1651 for (row
= 0; row
< (unsigned) height
; row
++) {
1652 void *src
= _mesa_image_address(dims
, unpack
, pixels
,
1653 width
, height
, format
,
1654 type
, slice
, row
, 0);
1655 memcpy(slice_map
, src
, bytesPerRow
);
1656 slice_map
+= transfer
->stride
;
1659 map
+= transfer
->layer_stride
;
1663 pipe_transfer_unmap(pipe
, transfer
);
1664 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1667 memset(&blit
, 0, sizeof(blit
));
1668 blit
.src
.resource
= src
;
1670 blit
.src
.format
= src_format
;
1671 blit
.dst
.resource
= dst
;
1672 blit
.dst
.level
= dst_level
;
1673 blit
.dst
.format
= dst_format
;
1674 blit
.src
.box
.x
= blit
.src
.box
.y
= blit
.src
.box
.z
= 0;
1675 blit
.dst
.box
.x
= xoffset
;
1676 blit
.dst
.box
.y
= yoffset
;
1677 blit
.dst
.box
.z
= zoffset
+ dstz
;
1678 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
1679 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
1680 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
1681 blit
.mask
= st_get_blit_mask(format
, texImage
->_BaseFormat
);
1682 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1683 blit
.scissor_enable
= FALSE
;
1685 st
->pipe
->blit(st
->pipe
, &blit
);
1687 pipe_resource_reference(&src
, NULL
);
1692 util_throttle_memory_usage(pipe
, &st
->throttle
,
1693 width
* height
* depth
*
1694 _mesa_get_format_bytes(texImage
->TexFormat
));
1696 _mesa_store_texsubimage(ctx
, dims
, texImage
, xoffset
, yoffset
, zoffset
,
1697 width
, height
, depth
, format
, type
, pixels
,
1703 st_TexImage(struct gl_context
* ctx
, GLuint dims
,
1704 struct gl_texture_image
*texImage
,
1705 GLenum format
, GLenum type
, const void *pixels
,
1706 const struct gl_pixelstore_attrib
*unpack
)
1708 assert(dims
== 1 || dims
== 2 || dims
== 3);
1710 prep_teximage(ctx
, texImage
, format
, type
);
1712 if (texImage
->Width
== 0 || texImage
->Height
== 0 || texImage
->Depth
== 0)
1715 /* allocate storage for texture data */
1716 if (!ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
)) {
1717 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
1721 st_TexSubImage(ctx
, dims
, texImage
, 0, 0, 0,
1722 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1723 format
, type
, pixels
, unpack
);
1728 st_CompressedTexSubImage(struct gl_context
*ctx
, GLuint dims
,
1729 struct gl_texture_image
*texImage
,
1730 GLint x
, GLint y
, GLint z
,
1731 GLsizei w
, GLsizei h
, GLsizei d
,
1732 GLenum format
, GLsizei imageSize
, const void *data
)
1734 struct st_context
*st
= st_context(ctx
);
1735 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1736 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1737 struct pipe_resource
*texture
= stImage
->pt
;
1738 struct pipe_context
*pipe
= st
->pipe
;
1739 struct pipe_screen
*screen
= pipe
->screen
;
1740 struct pipe_resource
*dst
= stImage
->pt
;
1741 struct pipe_surface
*surface
= NULL
;
1742 struct compressed_pixelstore store
;
1743 struct st_pbo_addresses addr
;
1744 enum pipe_format copy_format
;
1746 intptr_t buf_offset
;
1747 bool success
= false;
1749 /* Check basic pre-conditions for PBO upload */
1750 if (!st
->prefer_blit_based_texture_transfer
) {
1754 if (!_mesa_is_bufferobj(ctx
->Unpack
.BufferObj
))
1757 if (st_compressed_format_fallback(st
, texImage
->TexFormat
))
1764 if (!st
->pbo
.upload_enabled
||
1765 !screen
->get_param(screen
, PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
)) {
1769 /* Choose the pipe format for the upload. */
1770 addr
.bytes_per_pixel
= util_format_get_blocksize(dst
->format
);
1771 bw
= util_format_get_blockwidth(dst
->format
);
1772 bh
= util_format_get_blockheight(dst
->format
);
1774 switch (addr
.bytes_per_pixel
) {
1776 copy_format
= PIPE_FORMAT_R16G16B16A16_UINT
;
1779 copy_format
= PIPE_FORMAT_R32G32B32A32_UINT
;
1785 if (!screen
->is_format_supported(screen
, copy_format
, PIPE_BUFFER
, 0, 0,
1786 PIPE_BIND_SAMPLER_VIEW
)) {
1790 if (!screen
->is_format_supported(screen
, copy_format
, dst
->target
,
1791 dst
->nr_samples
, dst
->nr_storage_samples
,
1792 PIPE_BIND_RENDER_TARGET
)) {
1796 /* Interpret the pixelstore settings. */
1797 _mesa_compute_compressed_pixelstore(dims
, texImage
->TexFormat
, w
, h
, d
,
1798 &ctx
->Unpack
, &store
);
1799 assert(store
.CopyBytesPerRow
% addr
.bytes_per_pixel
== 0);
1800 assert(store
.SkipBytes
% addr
.bytes_per_pixel
== 0);
1802 /* Compute the offset into the buffer */
1803 buf_offset
= (intptr_t)data
+ store
.SkipBytes
;
1805 if (buf_offset
% addr
.bytes_per_pixel
) {
1809 buf_offset
= buf_offset
/ addr
.bytes_per_pixel
;
1811 addr
.xoffset
= x
/ bw
;
1812 addr
.yoffset
= y
/ bh
;
1813 addr
.width
= store
.CopyBytesPerRow
/ addr
.bytes_per_pixel
;
1814 addr
.height
= store
.CopyRowsPerSlice
;
1816 addr
.pixels_per_row
= store
.TotalBytesPerRow
/ addr
.bytes_per_pixel
;
1817 addr
.image_height
= store
.TotalRowsPerSlice
;
1819 if (!st_pbo_addresses_setup(st
,
1820 st_buffer_object(ctx
->Unpack
.BufferObj
)->buffer
,
1824 /* Set up the surface. */
1826 unsigned level
= stObj
->pt
!= stImage
->pt
1827 ? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1828 unsigned max_layer
= util_max_layer(texture
, level
);
1830 z
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1832 struct pipe_surface templ
;
1833 memset(&templ
, 0, sizeof(templ
));
1834 templ
.format
= copy_format
;
1835 templ
.u
.tex
.level
= level
;
1836 templ
.u
.tex
.first_layer
= MIN2(z
, max_layer
);
1837 templ
.u
.tex
.last_layer
= MIN2(z
+ d
- 1, max_layer
);
1839 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1844 success
= try_pbo_upload_common(ctx
, surface
, &addr
, copy_format
);
1846 pipe_surface_reference(&surface
, NULL
);
1852 _mesa_store_compressed_texsubimage(ctx
, dims
, texImage
,
1854 format
, imageSize
, data
);
1859 st_CompressedTexImage(struct gl_context
*ctx
, GLuint dims
,
1860 struct gl_texture_image
*texImage
,
1861 GLsizei imageSize
, const void *data
)
1863 prep_teximage(ctx
, texImage
, GL_NONE
, GL_NONE
);
1865 /* only 2D and 3D compressed images are supported at this time */
1867 _mesa_problem(ctx
, "Unexpected glCompressedTexImage1D call");
1871 /* This is pretty simple, because unlike the general texstore path we don't
1872 * have to worry about the usual image unpacking or image transfer
1876 assert(texImage
->Width
> 0);
1877 assert(texImage
->Height
> 0);
1878 assert(texImage
->Depth
> 0);
1880 /* allocate storage for texture data */
1881 if (!st_AllocTextureImageBuffer(ctx
, texImage
)) {
1882 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage%uD", dims
);
1886 st_CompressedTexSubImage(ctx
, dims
, texImage
,
1888 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1889 texImage
->TexFormat
,
1895 * Called via ctx->Driver.GetTexSubImage()
1897 * This uses a blit to copy the texture to a texture format which matches
1898 * the format and type combo and then a fast read-back is done using memcpy.
1899 * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
1900 * a format which matches the swizzling.
1902 * If such a format isn't available, it falls back to _mesa_GetTexImage_sw.
1904 * NOTE: Drivers usually do a blit to convert between tiled and linear
1905 * texture layouts during texture uploads/downloads, so the blit
1906 * we do here should be free in such cases.
1909 st_GetTexSubImage(struct gl_context
* ctx
,
1910 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1911 GLsizei width
, GLsizei height
, GLint depth
,
1912 GLenum format
, GLenum type
, void * pixels
,
1913 struct gl_texture_image
*texImage
)
1915 struct st_context
*st
= st_context(ctx
);
1916 struct pipe_context
*pipe
= st
->pipe
;
1917 struct pipe_screen
*screen
= pipe
->screen
;
1918 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1919 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1920 struct pipe_resource
*src
= stObj
->pt
;
1921 struct pipe_resource
*dst
= NULL
;
1922 struct pipe_resource dst_templ
;
1923 enum pipe_format dst_format
, src_format
;
1924 mesa_format mesa_format
;
1925 GLenum gl_target
= texImage
->TexObject
->Target
;
1926 enum pipe_texture_target pipe_target
;
1928 struct pipe_blit_info blit
;
1930 struct pipe_transfer
*tex_xfer
;
1932 boolean done
= FALSE
;
1934 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1935 !_mesa_is_format_astc_2d(texImage
->TexFormat
) &&
1936 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1938 st_flush_bitmap_cache(st
);
1940 if (!st
->prefer_blit_based_texture_transfer
&&
1941 !_mesa_is_format_compressed(texImage
->TexFormat
)) {
1942 /* Try to avoid the fallback if we're doing texture decompression here */
1946 /* Handle non-finalized textures. */
1947 if (!stImage
->pt
|| stImage
->pt
!= stObj
->pt
|| !src
) {
1951 /* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
1952 * due to an incomplete stencil blit implementation in some drivers. */
1953 if (format
== GL_DEPTH_STENCIL
|| format
== GL_STENCIL_INDEX
) {
1957 /* If the base internal format and the texture format don't match, we have
1958 * to fall back to _mesa_GetTexImage_sw. */
1959 if (texImage
->_BaseFormat
!=
1960 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1964 /* See if the texture format already matches the format and type,
1965 * in which case the memcpy-based fast path will be used. */
1966 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1967 type
, ctx
->Pack
.SwapBytes
, NULL
)) {
1971 /* Convert the source format to what is expected by GetTexImage
1972 * and see if it's supported.
1974 * This only applies to glGetTexImage:
1975 * - Luminance must be returned as (L,0,0,1).
1976 * - Luminance alpha must be returned as (L,0,0,A).
1977 * - Intensity must be returned as (I,0,0,1)
1979 if (stObj
->surface_based
)
1980 src_format
= util_format_linear(stObj
->surface_format
);
1982 src_format
= util_format_linear(src
->format
);
1983 src_format
= util_format_luminance_to_red(src_format
);
1984 src_format
= util_format_intensity_to_red(src_format
);
1987 !screen
->is_format_supported(screen
, src_format
, src
->target
,
1988 src
->nr_samples
, src
->nr_storage_samples
,
1989 PIPE_BIND_SAMPLER_VIEW
)) {
1993 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1994 bind
= PIPE_BIND_DEPTH_STENCIL
;
1996 bind
= PIPE_BIND_RENDER_TARGET
;
1998 /* GetTexImage only returns a single face for cubemaps. */
1999 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
2000 gl_target
= GL_TEXTURE_2D
;
2002 pipe_target
= gl_target_to_pipe(gl_target
);
2004 /* Choose the destination format by finding the best match
2005 * for the format+type combo. */
2006 dst_format
= st_choose_matching_format(st
, bind
, format
, type
,
2007 ctx
->Pack
.SwapBytes
);
2009 if (dst_format
== PIPE_FORMAT_NONE
) {
2010 GLenum dst_glformat
;
2012 /* Fall back to _mesa_GetTexImage_sw except for compressed formats,
2013 * where decompression with a blit is always preferred. */
2014 if (!util_format_is_compressed(src
->format
)) {
2018 /* Set the appropriate format for the decompressed texture.
2019 * Luminance and sRGB formats shouldn't appear here.*/
2020 switch (src_format
) {
2021 case PIPE_FORMAT_DXT1_RGB
:
2022 case PIPE_FORMAT_DXT1_RGBA
:
2023 case PIPE_FORMAT_DXT3_RGBA
:
2024 case PIPE_FORMAT_DXT5_RGBA
:
2025 case PIPE_FORMAT_RGTC1_UNORM
:
2026 case PIPE_FORMAT_RGTC2_UNORM
:
2027 case PIPE_FORMAT_ETC1_RGB8
:
2028 case PIPE_FORMAT_ETC2_RGB8
:
2029 case PIPE_FORMAT_ETC2_RGB8A1
:
2030 case PIPE_FORMAT_ETC2_RGBA8
:
2031 case PIPE_FORMAT_ASTC_4x4
:
2032 case PIPE_FORMAT_ASTC_5x4
:
2033 case PIPE_FORMAT_ASTC_5x5
:
2034 case PIPE_FORMAT_ASTC_6x5
:
2035 case PIPE_FORMAT_ASTC_6x6
:
2036 case PIPE_FORMAT_ASTC_8x5
:
2037 case PIPE_FORMAT_ASTC_8x6
:
2038 case PIPE_FORMAT_ASTC_8x8
:
2039 case PIPE_FORMAT_ASTC_10x5
:
2040 case PIPE_FORMAT_ASTC_10x6
:
2041 case PIPE_FORMAT_ASTC_10x8
:
2042 case PIPE_FORMAT_ASTC_10x10
:
2043 case PIPE_FORMAT_ASTC_12x10
:
2044 case PIPE_FORMAT_ASTC_12x12
:
2045 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
2046 dst_glformat
= GL_RGBA8
;
2048 case PIPE_FORMAT_RGTC1_SNORM
:
2049 case PIPE_FORMAT_RGTC2_SNORM
:
2050 if (!ctx
->Extensions
.EXT_texture_snorm
)
2052 dst_glformat
= GL_RGBA8_SNORM
;
2054 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
2055 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
2056 if (!ctx
->Extensions
.ARB_texture_float
)
2058 dst_glformat
= GL_RGBA32F
;
2060 case PIPE_FORMAT_ETC2_R11_UNORM
:
2061 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R16_UNORM
,
2062 pipe_target
, 0, 0, bind
))
2064 dst_glformat
= GL_R16
;
2066 case PIPE_FORMAT_ETC2_R11_SNORM
:
2067 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R16_SNORM
,
2068 pipe_target
, 0, 0, bind
))
2070 dst_glformat
= GL_R16_SNORM
;
2072 case PIPE_FORMAT_ETC2_RG11_UNORM
:
2073 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R16G16_UNORM
,
2074 pipe_target
, 0, 0, bind
))
2076 dst_glformat
= GL_RG16
;
2078 case PIPE_FORMAT_ETC2_RG11_SNORM
:
2079 if (!screen
->is_format_supported(screen
, PIPE_FORMAT_R16G16_SNORM
,
2080 pipe_target
, 0, 0, bind
))
2082 dst_glformat
= GL_RG16_SNORM
;
2089 dst_format
= st_choose_format(st
, dst_glformat
, format
, type
,
2090 pipe_target
, 0, 0, bind
, FALSE
);
2092 if (dst_format
== PIPE_FORMAT_NONE
) {
2093 /* unable to get an rgba format!?! */
2098 /* create the destination texture of size (width X height X depth) */
2099 memset(&dst_templ
, 0, sizeof(dst_templ
));
2100 dst_templ
.target
= pipe_target
;
2101 dst_templ
.format
= dst_format
;
2102 dst_templ
.bind
= bind
;
2103 dst_templ
.usage
= PIPE_USAGE_STAGING
;
2105 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
2106 &dst_templ
.width0
, &dst_templ
.height0
,
2107 &dst_templ
.depth0
, &dst_templ
.array_size
);
2109 dst
= screen
->resource_create(screen
, &dst_templ
);
2114 /* From now on, we need the gallium representation of dimensions. */
2115 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2122 assert(texImage
->Face
== 0 ||
2123 texImage
->TexObject
->MinLayer
== 0 ||
2126 memset(&blit
, 0, sizeof(blit
));
2127 blit
.src
.resource
= src
;
2128 blit
.src
.level
= texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2129 blit
.src
.format
= src_format
;
2130 blit
.dst
.resource
= dst
;
2132 blit
.dst
.format
= dst
->format
;
2133 blit
.src
.box
.x
= xoffset
;
2135 blit
.src
.box
.y
= yoffset
;
2137 blit
.src
.box
.z
= texImage
->Face
+ texImage
->TexObject
->MinLayer
+ zoffset
;
2139 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
2140 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
2141 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
2142 blit
.mask
= st_get_blit_mask(texImage
->_BaseFormat
, format
);
2143 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2144 blit
.scissor_enable
= FALSE
;
2146 /* blit/render/decompress */
2147 st
->pipe
->blit(st
->pipe
, &blit
);
2149 pixels
= _mesa_map_pbo_dest(ctx
, &ctx
->Pack
, pixels
);
2151 map
= pipe_transfer_map_3d(pipe
, dst
, 0, PIPE_TRANSFER_READ
,
2152 0, 0, 0, width
, height
, depth
, &tex_xfer
);
2157 mesa_format
= st_pipe_format_to_mesa_format(dst_format
);
2158 dims
= _mesa_get_texture_dimensions(gl_target
);
2160 /* copy/pack data into user buffer */
2161 if (_mesa_format_matches_format_and_type(mesa_format
, format
, type
,
2162 ctx
->Pack
.SwapBytes
, NULL
)) {
2164 const uint bytesPerRow
= width
* util_format_get_blocksize(dst_format
);
2167 for (slice
= 0; slice
< depth
; slice
++) {
2168 ubyte
*slice_map
= map
;
2170 for (row
= 0; row
< height
; row
++) {
2171 void *dest
= _mesa_image_address(dims
, &ctx
->Pack
, pixels
,
2172 width
, height
, format
, type
,
2175 memcpy(dest
, slice_map
, bytesPerRow
);
2177 slice_map
+= tex_xfer
->stride
;
2180 map
+= tex_xfer
->layer_stride
;
2184 /* format translation via floats */
2187 uint32_t dstMesaFormat
;
2188 int dstStride
, srcStride
;
2190 assert(util_format_is_compressed(src
->format
));
2192 rgba
= malloc(width
* height
* 4 * sizeof(GLfloat
));
2197 if (ST_DEBUG
& DEBUG_FALLBACK
)
2198 debug_printf("%s: fallback format translation\n", __func__
);
2200 dstMesaFormat
= _mesa_format_from_format_and_type(format
, type
);
2201 dstStride
= _mesa_image_row_stride(&ctx
->Pack
, width
, format
, type
);
2202 srcStride
= 4 * width
* sizeof(GLfloat
);
2203 for (slice
= 0; slice
< depth
; slice
++) {
2204 void *dest
= _mesa_image_address(dims
, &ctx
->Pack
, pixels
,
2205 width
, height
, format
, type
,
2208 /* get float[4] rgba row from surface */
2209 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, 0, width
, height
,
2212 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2213 rgba
, RGBA32_FLOAT
, srcStride
,
2214 width
, height
, NULL
);
2216 /* Handle byte swapping if required */
2217 if (ctx
->Pack
.SwapBytes
) {
2218 _mesa_swap_bytes_2d_image(format
, type
, &ctx
->Pack
,
2219 width
, height
, dest
, dest
);
2222 map
+= tex_xfer
->layer_stride
;
2231 pipe_transfer_unmap(pipe
, tex_xfer
);
2233 _mesa_unmap_pbo_dest(ctx
, &ctx
->Pack
);
2234 pipe_resource_reference(&dst
, NULL
);
2238 _mesa_GetTexSubImage_sw(ctx
, xoffset
, yoffset
, zoffset
,
2239 width
, height
, depth
,
2240 format
, type
, pixels
, texImage
);
2246 * Do a CopyTexSubImage operation using a read transfer from the source,
2247 * a write transfer to the destination and get_tile()/put_tile() to access
2248 * the pixels/texels.
2250 * Note: srcY=0=TOP of renderbuffer
2253 fallback_copy_texsubimage(struct gl_context
*ctx
,
2254 struct st_renderbuffer
*strb
,
2255 struct st_texture_image
*stImage
,
2257 GLint destX
, GLint destY
, GLint slice
,
2258 GLint srcX
, GLint srcY
,
2259 GLsizei width
, GLsizei height
)
2261 struct st_context
*st
= st_context(ctx
);
2262 struct pipe_context
*pipe
= st
->pipe
;
2263 struct pipe_transfer
*src_trans
;
2265 enum pipe_transfer_usage transfer_usage
;
2267 unsigned dst_width
= width
;
2268 unsigned dst_height
= height
;
2269 unsigned dst_depth
= 1;
2270 struct pipe_transfer
*transfer
;
2272 if (ST_DEBUG
& DEBUG_FALLBACK
)
2273 debug_printf("%s: fallback processing\n", __func__
);
2275 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2276 srcY
= strb
->Base
.Height
- srcY
- height
;
2279 map
= pipe_transfer_map(pipe
,
2281 strb
->surface
->u
.tex
.level
,
2282 strb
->surface
->u
.tex
.first_layer
,
2285 width
, height
, &src_trans
);
2287 if ((baseFormat
== GL_DEPTH_COMPONENT
||
2288 baseFormat
== GL_DEPTH_STENCIL
) &&
2289 util_format_is_depth_and_stencil(stImage
->pt
->format
))
2290 transfer_usage
= PIPE_TRANSFER_READ_WRITE
;
2292 transfer_usage
= PIPE_TRANSFER_WRITE
;
2294 texDest
= st_texture_image_map(st
, stImage
, transfer_usage
,
2295 destX
, destY
, slice
,
2296 dst_width
, dst_height
, dst_depth
,
2299 if (baseFormat
== GL_DEPTH_COMPONENT
||
2300 baseFormat
== GL_DEPTH_STENCIL
) {
2301 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
2302 ctx
->Pixel
.DepthBias
!= 0.0F
);
2306 /* determine bottom-to-top vs. top-to-bottom order for src buffer */
2307 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2316 data
= malloc(width
* sizeof(uint
));
2319 /* To avoid a large temp memory allocation, do copy row by row */
2320 for (row
= 0; row
< height
; row
++, srcY
+= yStep
) {
2321 pipe_get_tile_z(src_trans
, map
, 0, srcY
, width
, 1, data
);
2323 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
2326 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2327 pipe_put_tile_z(transfer
, texDest
+ row
*transfer
->layer_stride
,
2328 0, 0, width
, 1, data
);
2331 pipe_put_tile_z(transfer
, texDest
, 0, row
, width
, 1, data
);
2336 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexSubImage()");
2344 malloc(width
* height
* 4 * sizeof(GLfloat
));
2346 if (tempSrc
&& texDest
) {
2347 const GLint dims
= 2;
2349 struct gl_texture_image
*texImage
= &stImage
->base
;
2350 struct gl_pixelstore_attrib unpack
= ctx
->DefaultPacking
;
2352 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2353 unpack
.Invert
= GL_TRUE
;
2356 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2357 dstRowStride
= transfer
->layer_stride
;
2360 dstRowStride
= transfer
->stride
;
2363 /* get float/RGBA image from framebuffer */
2364 /* XXX this usually involves a lot of int/float conversion.
2365 * try to avoid that someday.
2367 pipe_get_tile_rgba_format(src_trans
, map
, 0, 0, width
, height
,
2368 util_format_linear(strb
->texture
->format
),
2371 /* Store into texture memory.
2372 * Note that this does some special things such as pixel transfer
2373 * ops and format conversion. In particular, if the dest tex format
2374 * is actually RGBA but the user created the texture as GL_RGB we
2375 * need to fill-in/override the alpha channel with 1.0.
2377 _mesa_texstore(ctx
, dims
,
2378 texImage
->_BaseFormat
,
2379 texImage
->TexFormat
,
2383 GL_RGBA
, GL_FLOAT
, tempSrc
, /* src */
2387 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
2393 st_texture_image_unmap(st
, stImage
, slice
);
2394 pipe
->transfer_unmap(pipe
, src_trans
);
2399 st_can_copyteximage_using_blit(const struct gl_texture_image
*texImage
,
2400 const struct gl_renderbuffer
*rb
)
2402 GLenum tex_baseformat
= _mesa_get_format_base_format(texImage
->TexFormat
);
2404 /* We don't blit to a teximage where the GL base format doesn't match the
2405 * texture's chosen format, except in the case of a GL_RGB texture
2406 * represented with GL_RGBA (where the alpha channel is just being
2409 if (texImage
->_BaseFormat
!= tex_baseformat
&&
2410 ((texImage
->_BaseFormat
!= GL_RGB
|| tex_baseformat
!= GL_RGBA
))) {
2414 /* We can't blit from a RB where the GL base format doesn't match the RB's
2415 * chosen format (for example, GL RGB or ALPHA with rb->Format of an RGBA
2416 * type, because the other channels will be undefined).
2418 if (rb
->_BaseFormat
!= _mesa_get_format_base_format(rb
->Format
))
2426 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
2427 * Note that the region to copy has already been clipped so we know we
2428 * won't read from outside the source renderbuffer's bounds.
2430 * Note: srcY=0=Bottom of renderbuffer (GL convention)
2433 st_CopyTexSubImage(struct gl_context
*ctx
, GLuint dims
,
2434 struct gl_texture_image
*texImage
,
2435 GLint destX
, GLint destY
, GLint slice
,
2436 struct gl_renderbuffer
*rb
,
2437 GLint srcX
, GLint srcY
, GLsizei width
, GLsizei height
)
2439 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2440 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
2441 struct st_renderbuffer
*strb
= st_renderbuffer(rb
);
2442 struct st_context
*st
= st_context(ctx
);
2443 struct pipe_context
*pipe
= st
->pipe
;
2444 struct pipe_screen
*screen
= pipe
->screen
;
2445 struct pipe_blit_info blit
;
2446 enum pipe_format dst_format
;
2447 GLboolean do_flip
= (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
);
2451 st_flush_bitmap_cache(st
);
2452 st_invalidate_readpix_cache(st
);
2454 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
2455 !_mesa_is_format_astc_2d(texImage
->TexFormat
) &&
2456 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
2458 if (!strb
|| !strb
->surface
|| !stImage
->pt
) {
2459 debug_printf("%s: null strb or stImage\n", __func__
);
2463 if (_mesa_texstore_needs_transfer_ops(ctx
, texImage
->_BaseFormat
,
2464 texImage
->TexFormat
)) {
2468 if (!st_can_copyteximage_using_blit(texImage
, rb
)) {
2472 /* Choose the destination format to match the TexImage behavior. */
2473 dst_format
= util_format_linear(stImage
->pt
->format
);
2474 dst_format
= util_format_luminance_to_red(dst_format
);
2475 dst_format
= util_format_intensity_to_red(dst_format
);
2477 /* See if the destination format is supported. */
2478 if (texImage
->_BaseFormat
== GL_DEPTH_STENCIL
||
2479 texImage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2480 bind
= PIPE_BIND_DEPTH_STENCIL
;
2483 bind
= PIPE_BIND_RENDER_TARGET
;
2487 !screen
->is_format_supported(screen
, dst_format
, stImage
->pt
->target
,
2488 stImage
->pt
->nr_samples
,
2489 stImage
->pt
->nr_storage_samples
, bind
)) {
2493 /* Y flipping for the main framebuffer. */
2495 srcY1
= strb
->Base
.Height
- srcY
- height
;
2496 srcY0
= srcY1
+ height
;
2500 srcY1
= srcY0
+ height
;
2503 /* Blit the texture.
2504 * This supports flipping, format conversions, and downsampling.
2506 memset(&blit
, 0, sizeof(blit
));
2507 blit
.src
.resource
= strb
->texture
;
2508 blit
.src
.format
= util_format_linear(strb
->surface
->format
);
2509 blit
.src
.level
= strb
->surface
->u
.tex
.level
;
2510 blit
.src
.box
.x
= srcX
;
2511 blit
.src
.box
.y
= srcY0
;
2512 blit
.src
.box
.z
= strb
->surface
->u
.tex
.first_layer
;
2513 blit
.src
.box
.width
= width
;
2514 blit
.src
.box
.height
= srcY1
- srcY0
;
2515 blit
.src
.box
.depth
= 1;
2516 blit
.dst
.resource
= stImage
->pt
;
2517 blit
.dst
.format
= dst_format
;
2518 blit
.dst
.level
= stObj
->pt
!= stImage
->pt
2519 ? 0 : texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2520 blit
.dst
.box
.x
= destX
;
2521 blit
.dst
.box
.y
= destY
;
2522 blit
.dst
.box
.z
= stImage
->base
.Face
+ slice
+ texImage
->TexObject
->MinLayer
;
2523 blit
.dst
.box
.width
= width
;
2524 blit
.dst
.box
.height
= height
;
2525 blit
.dst
.box
.depth
= 1;
2526 blit
.mask
= st_get_blit_mask(rb
->_BaseFormat
, texImage
->_BaseFormat
);
2527 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2528 pipe
->blit(pipe
, &blit
);
2532 /* software fallback */
2533 fallback_copy_texsubimage(ctx
,
2534 strb
, stImage
, texImage
->_BaseFormat
,
2535 destX
, destY
, slice
,
2536 srcX
, srcY
, width
, height
);
2541 * Copy image data from stImage into the texture object 'stObj' at level
2545 copy_image_data_to_texture(struct st_context
*st
,
2546 struct st_texture_object
*stObj
,
2548 struct st_texture_image
*stImage
)
2552 ASSERTED
const struct gl_texture_image
*dstImage
=
2553 stObj
->base
.Image
[stImage
->base
.Face
][dstLevel
];
2555 assert(dstImage
->Width
== stImage
->base
.Width
);
2556 assert(dstImage
->Height
== stImage
->base
.Height
);
2557 assert(dstImage
->Depth
== stImage
->base
.Depth
);
2561 /* Copy potentially with the blitter:
2564 if (stImage
->pt
->last_level
== 0)
2567 src_level
= stImage
->base
.Level
;
2569 assert(src_level
<= stImage
->pt
->last_level
);
2570 assert(u_minify(stImage
->pt
->width0
, src_level
) == stImage
->base
.Width
);
2571 assert(stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
||
2572 u_minify(stImage
->pt
->height0
, src_level
) == stImage
->base
.Height
);
2573 assert(stImage
->pt
->target
== PIPE_TEXTURE_2D_ARRAY
||
2574 stImage
->pt
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
2575 u_minify(stImage
->pt
->depth0
, src_level
) == stImage
->base
.Depth
);
2577 st_texture_image_copy(st
->pipe
,
2578 stObj
->pt
, dstLevel
, /* dest texture, level */
2579 stImage
->pt
, src_level
, /* src texture, level */
2580 stImage
->base
.Face
);
2582 pipe_resource_reference(&stImage
->pt
, NULL
);
2584 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2589 * Called during state validation. When this function is finished,
2590 * the texture object should be ready for rendering.
2591 * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
2594 st_finalize_texture(struct gl_context
*ctx
,
2595 struct pipe_context
*pipe
,
2596 struct gl_texture_object
*tObj
,
2599 struct st_context
*st
= st_context(ctx
);
2600 struct st_texture_object
*stObj
= st_texture_object(tObj
);
2601 const GLuint nr_faces
= _mesa_num_tex_faces(stObj
->base
.Target
);
2603 const struct st_texture_image
*firstImage
;
2604 enum pipe_format firstImageFormat
;
2606 uint16_t ptHeight
, ptDepth
, ptLayers
, ptNumSamples
;
2608 if (tObj
->Immutable
)
2611 if (tObj
->_MipmapComplete
)
2612 stObj
->lastLevel
= stObj
->base
._MaxLevel
;
2613 else if (tObj
->_BaseComplete
)
2614 stObj
->lastLevel
= stObj
->base
.BaseLevel
;
2616 /* Skip the loop over images in the common case of no images having
2617 * changed. But if the GL_BASE_LEVEL or GL_MAX_LEVEL change to something we
2618 * haven't looked at, then we do need to look at those new images.
2620 if (!stObj
->needs_validation
&&
2621 stObj
->base
.BaseLevel
>= stObj
->validated_first_level
&&
2622 stObj
->lastLevel
<= stObj
->validated_last_level
) {
2626 /* If this texture comes from a window system, there is nothing else to do. */
2627 if (stObj
->surface_based
) {
2631 firstImage
= st_texture_image_const(stObj
->base
.Image
[cubeMapFace
]
2632 [stObj
->base
.BaseLevel
]);
2635 /* If both firstImage and stObj point to a texture which can contain
2636 * all active images, favour firstImage. Note that because of the
2637 * completeness requirement, we know that the image dimensions
2640 if (firstImage
->pt
&&
2641 firstImage
->pt
!= stObj
->pt
&&
2642 (!stObj
->pt
|| firstImage
->pt
->last_level
>= stObj
->pt
->last_level
)) {
2643 pipe_resource_reference(&stObj
->pt
, firstImage
->pt
);
2644 st_texture_release_all_sampler_views(st
, stObj
);
2647 /* Find gallium format for the Mesa texture */
2649 st_mesa_format_to_pipe_format(st
, firstImage
->base
.TexFormat
);
2651 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */
2654 uint16_t height
, depth
;
2656 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
2657 firstImage
->base
.Width2
,
2658 firstImage
->base
.Height2
,
2659 firstImage
->base
.Depth2
,
2660 &width
, &height
, &depth
, &ptLayers
);
2662 /* If we previously allocated a pipe texture and its sizes are
2663 * compatible, use them.
2666 u_minify(stObj
->pt
->width0
, firstImage
->base
.Level
) == width
&&
2667 u_minify(stObj
->pt
->height0
, firstImage
->base
.Level
) == height
&&
2668 u_minify(stObj
->pt
->depth0
, firstImage
->base
.Level
) == depth
) {
2669 ptWidth
= stObj
->pt
->width0
;
2670 ptHeight
= stObj
->pt
->height0
;
2671 ptDepth
= stObj
->pt
->depth0
;
2673 /* Otherwise, compute a new level=0 size that is compatible with the
2676 ptWidth
= width
> 1 ? width
<< firstImage
->base
.Level
: 1;
2677 ptHeight
= height
> 1 ? height
<< firstImage
->base
.Level
: 1;
2678 ptDepth
= depth
> 1 ? depth
<< firstImage
->base
.Level
: 1;
2680 /* If the base level image is 1x1x1, we still need to ensure that the
2681 * resulting pipe texture ends up with the required number of levels
2684 if (ptWidth
== 1 && ptHeight
== 1 && ptDepth
== 1) {
2685 ptWidth
<<= firstImage
->base
.Level
;
2687 if (stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
||
2688 stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP_ARRAY
)
2692 /* At this point, the texture may be incomplete (mismatched cube
2693 * face sizes, for example). If that's the case, give up, but
2694 * don't return GL_FALSE as that would raise an incorrect
2695 * GL_OUT_OF_MEMORY error. See Piglit fbo-incomplete-texture-03 test.
2697 if (!stObj
->base
._BaseComplete
) {
2698 _mesa_test_texobj_completeness(ctx
, &stObj
->base
);
2699 if (!stObj
->base
._BaseComplete
) {
2705 ptNumSamples
= firstImage
->base
.NumSamples
;
2708 /* If we already have a gallium texture, check that it matches the texture
2709 * object's format, target, size, num_levels, etc.
2712 if (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
2713 stObj
->pt
->format
!= firstImageFormat
||
2714 stObj
->pt
->last_level
< stObj
->lastLevel
||
2715 stObj
->pt
->width0
!= ptWidth
||
2716 stObj
->pt
->height0
!= ptHeight
||
2717 stObj
->pt
->depth0
!= ptDepth
||
2718 stObj
->pt
->nr_samples
!= ptNumSamples
||
2719 stObj
->pt
->array_size
!= ptLayers
)
2721 /* The gallium texture does not match the Mesa texture so delete the
2722 * gallium texture now. We'll make a new one below.
2724 pipe_resource_reference(&stObj
->pt
, NULL
);
2725 st_texture_release_all_sampler_views(st
, stObj
);
2726 st
->dirty
|= ST_NEW_FRAMEBUFFER
;
2730 /* May need to create a new gallium texture:
2733 GLuint bindings
= default_bindings(st
, firstImageFormat
);
2735 stObj
->pt
= st_texture_create(st
,
2736 gl_target_to_pipe(stObj
->base
.Target
),
2742 ptLayers
, ptNumSamples
,
2746 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
2751 /* Pull in any images not in the object's texture:
2753 for (face
= 0; face
< nr_faces
; face
++) {
2755 for (level
= stObj
->base
.BaseLevel
; level
<= stObj
->lastLevel
; level
++) {
2756 struct st_texture_image
*stImage
=
2757 st_texture_image(stObj
->base
.Image
[face
][level
]);
2759 /* Need to import images in main memory or held in other textures.
2761 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
2765 if (stObj
->base
.Target
!= GL_TEXTURE_1D_ARRAY
)
2766 height
= u_minify(ptHeight
, level
);
2770 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
2771 depth
= u_minify(ptDepth
, level
);
2772 else if (stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
)
2778 (stImage
->base
.Width
== u_minify(ptWidth
, level
) &&
2779 stImage
->base
.Height
== height
&&
2780 stImage
->base
.Depth
== depth
)) {
2781 /* src image fits expected dest mipmap level size */
2782 copy_image_data_to_texture(st
, stObj
, level
, stImage
);
2788 stObj
->validated_first_level
= stObj
->base
.BaseLevel
;
2789 stObj
->validated_last_level
= stObj
->lastLevel
;
2790 stObj
->needs_validation
= false;
2797 * Allocate a new pipe_resource object
2798 * width0, height0, depth0 are the dimensions of the level 0 image
2799 * (the highest resolution). last_level indicates how many mipmap levels
2800 * to allocate storage for. For non-mipmapped textures, this will be zero.
2802 static struct pipe_resource
*
2803 st_texture_create_from_memory(struct st_context
*st
,
2804 struct st_memory_object
*memObj
,
2806 enum pipe_texture_target target
,
2807 enum pipe_format format
,
2816 struct pipe_resource pt
, *newtex
;
2817 struct pipe_screen
*screen
= st
->pipe
->screen
;
2819 assert(target
< PIPE_MAX_TEXTURE_TYPES
);
2821 assert(height0
> 0);
2823 if (target
== PIPE_TEXTURE_CUBE
)
2824 assert(layers
== 6);
2826 DBG("%s target %d format %s last_level %d\n", __func__
,
2827 (int) target
, util_format_name(format
), last_level
);
2830 assert(screen
->is_format_supported(screen
, format
, target
, 0, 0,
2831 PIPE_BIND_SAMPLER_VIEW
));
2833 memset(&pt
, 0, sizeof(pt
));
2836 pt
.last_level
= last_level
;
2838 pt
.height0
= height0
;
2840 pt
.array_size
= layers
;
2841 pt
.usage
= PIPE_USAGE_DEFAULT
;
2843 /* only set this for OpenGL textures, not renderbuffers */
2844 pt
.flags
= PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY
;
2845 pt
.nr_samples
= nr_samples
;
2846 pt
.nr_storage_samples
= nr_samples
;
2848 newtex
= screen
->resource_from_memobj(screen
, &pt
, memObj
->memory
, offset
);
2850 assert(!newtex
|| pipe_is_referenced(&newtex
->reference
));
2857 * Allocate texture memory for a whole mipmap stack.
2858 * Note: for multisample textures if the requested sample count is not
2859 * supported, we search for the next higher supported sample count.
2862 st_texture_storage(struct gl_context
*ctx
,
2863 struct gl_texture_object
*texObj
,
2864 GLsizei levels
, GLsizei width
,
2865 GLsizei height
, GLsizei depth
,
2866 struct gl_memory_object
*memObj
,
2869 const GLuint numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2870 struct gl_texture_image
*texImage
= texObj
->Image
[0][0];
2871 struct st_context
*st
= st_context(ctx
);
2872 struct st_texture_object
*stObj
= st_texture_object(texObj
);
2873 struct st_memory_object
*smObj
= st_memory_object(memObj
);
2874 struct pipe_screen
*screen
= st
->pipe
->screen
;
2875 unsigned ptWidth
, bindings
;
2876 uint16_t ptHeight
, ptDepth
, ptLayers
;
2877 enum pipe_format fmt
;
2879 GLuint num_samples
= texImage
->NumSamples
;
2883 stObj
->lastLevel
= levels
- 1;
2885 fmt
= st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
2887 bindings
= default_bindings(st
, fmt
);
2889 if (num_samples
> 0) {
2890 /* Find msaa sample count which is actually supported. For example,
2891 * if the user requests 1x but only 4x or 8x msaa is supported, we'll
2894 enum pipe_texture_target ptarget
= gl_target_to_pipe(texObj
->Target
);
2895 boolean found
= FALSE
;
2897 if (ctx
->Const
.MaxSamples
> 1 && num_samples
== 1) {
2898 /* don't try num_samples = 1 with drivers that support real msaa */
2902 for (; num_samples
<= ctx
->Const
.MaxSamples
; num_samples
++) {
2903 if (screen
->is_format_supported(screen
, fmt
, ptarget
,
2904 num_samples
, num_samples
,
2905 PIPE_BIND_SAMPLER_VIEW
)) {
2906 /* Update the sample count in gl_texture_image as well. */
2907 texImage
->NumSamples
= num_samples
;
2918 st_gl_texture_dims_to_pipe_dims(texObj
->Target
,
2919 width
, height
, depth
,
2920 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2923 stObj
->pt
= st_texture_create_from_memory(st
,
2926 gl_target_to_pipe(texObj
->Target
),
2932 ptLayers
, num_samples
,
2936 stObj
->pt
= st_texture_create(st
,
2937 gl_target_to_pipe(texObj
->Target
),
2943 ptLayers
, num_samples
,
2950 /* Set image resource pointers */
2951 for (level
= 0; level
< levels
; level
++) {
2953 for (face
= 0; face
< numFaces
; face
++) {
2954 struct st_texture_image
*stImage
=
2955 st_texture_image(texObj
->Image
[face
][level
]);
2956 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2958 compressed_tex_fallback_allocate(st
, stImage
);
2962 /* The texture is in a validated state, so no need to check later. */
2963 stObj
->needs_validation
= false;
2964 stObj
->validated_first_level
= 0;
2965 stObj
->validated_last_level
= levels
- 1;
2971 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
2972 * for a whole mipmap stack.
2975 st_AllocTextureStorage(struct gl_context
*ctx
,
2976 struct gl_texture_object
*texObj
,
2977 GLsizei levels
, GLsizei width
,
2978 GLsizei height
, GLsizei depth
)
2980 return st_texture_storage(ctx
, texObj
, levels
,
2981 width
, height
, depth
,
2987 st_TestProxyTexImage(struct gl_context
*ctx
, GLenum target
,
2988 GLuint numLevels
, GLint level
,
2989 mesa_format format
, GLuint numSamples
,
2990 GLint width
, GLint height
, GLint depth
)
2992 struct st_context
*st
= st_context(ctx
);
2993 struct pipe_context
*pipe
= st
->pipe
;
2995 if (width
== 0 || height
== 0 || depth
== 0) {
2996 /* zero-sized images are legal, and always fit! */
3000 if (pipe
->screen
->can_create_resource
) {
3001 /* Ask the gallium driver if the texture is too large */
3002 struct gl_texture_object
*texObj
=
3003 _mesa_get_current_tex_object(ctx
, target
);
3004 struct pipe_resource pt
;
3006 /* Setup the pipe_resource object
3008 memset(&pt
, 0, sizeof(pt
));
3010 pt
.target
= gl_target_to_pipe(target
);
3011 pt
.format
= st_mesa_format_to_pipe_format(st
, format
);
3012 pt
.nr_samples
= numSamples
;
3013 pt
.nr_storage_samples
= numSamples
;
3015 st_gl_texture_dims_to_pipe_dims(target
,
3016 width
, height
, depth
,
3017 &pt
.width0
, &pt
.height0
,
3018 &pt
.depth0
, &pt
.array_size
);
3020 if (numLevels
> 0) {
3021 /* For immutable textures we know the final number of mip levels */
3022 pt
.last_level
= numLevels
- 1;
3024 else if (level
== 0 && (texObj
->Sampler
.MinFilter
== GL_LINEAR
||
3025 texObj
->Sampler
.MinFilter
== GL_NEAREST
)) {
3026 /* assume just one mipmap level */
3030 /* assume a full set of mipmaps */
3031 pt
.last_level
= _mesa_logbase2(MAX3(width
, height
, depth
));
3034 return pipe
->screen
->can_create_resource(pipe
->screen
, &pt
);
3037 /* Use core Mesa fallback */
3038 return _mesa_test_proxy_teximage(ctx
, target
, numLevels
, level
, format
,
3039 numSamples
, width
, height
, depth
);
3044 st_TextureView(struct gl_context
*ctx
,
3045 struct gl_texture_object
*texObj
,
3046 struct gl_texture_object
*origTexObj
)
3048 struct st_context
*st
= st_context(ctx
);
3049 struct st_texture_object
*orig
= st_texture_object(origTexObj
);
3050 struct st_texture_object
*tex
= st_texture_object(texObj
);
3051 struct gl_texture_image
*image
= texObj
->Image
[0][0];
3053 const int numFaces
= _mesa_num_tex_faces(texObj
->Target
);
3054 const int numLevels
= texObj
->NumLevels
;
3059 pipe_resource_reference(&tex
->pt
, orig
->pt
);
3061 /* Set image resource pointers */
3062 for (level
= 0; level
< numLevels
; level
++) {
3063 for (face
= 0; face
< numFaces
; face
++) {
3064 struct st_texture_image
*stImage
=
3065 st_texture_image(texObj
->Image
[face
][level
]);
3066 pipe_resource_reference(&stImage
->pt
, tex
->pt
);
3070 tex
->surface_based
= GL_TRUE
;
3071 tex
->surface_format
=
3072 st_mesa_format_to_pipe_format(st_context(ctx
), image
->TexFormat
);
3074 tex
->lastLevel
= numLevels
- 1;
3076 /* free texture sampler views. They need to be recreated when we
3077 * change the texture view parameters.
3079 st_texture_release_all_sampler_views(st
, tex
);
3081 /* The texture is in a validated state, so no need to check later. */
3082 tex
->needs_validation
= false;
3083 tex
->validated_first_level
= 0;
3084 tex
->validated_last_level
= numLevels
- 1;
3091 * Find the mipmap level in 'pt' which matches the level described by
3095 find_mipmap_level(const struct gl_texture_image
*texImage
,
3096 const struct pipe_resource
*pt
)
3098 const GLenum target
= texImage
->TexObject
->Target
;
3099 GLint texWidth
= texImage
->Width
;
3100 GLint texHeight
= texImage
->Height
;
3101 GLint texDepth
= texImage
->Depth
;
3103 uint16_t h
, d
, layers
;
3105 st_gl_texture_dims_to_pipe_dims(target
, texWidth
, texHeight
, texDepth
,
3106 &w
, &h
, &d
, &layers
);
3108 for (level
= 0; level
<= pt
->last_level
; level
++) {
3109 if (u_minify(pt
->width0
, level
) == w
&&
3110 u_minify(pt
->height0
, level
) == h
&&
3111 u_minify(pt
->depth0
, level
) == d
) {
3116 /* If we get here, there must be some sort of inconsistency between
3117 * the Mesa texture object/images and the gallium resource.
3119 debug_printf("Inconsistent textures in find_mipmap_level()\n");
3121 return texImage
->Level
;
3126 st_ClearTexSubImage(struct gl_context
*ctx
,
3127 struct gl_texture_image
*texImage
,
3128 GLint xoffset
, GLint yoffset
, GLint zoffset
,
3129 GLsizei width
, GLsizei height
, GLsizei depth
,
3130 const void *clearValue
)
3132 static const char zeros
[16] = {0};
3133 struct gl_texture_object
*texObj
= texImage
->TexObject
;
3134 struct st_texture_image
*stImage
= st_texture_image(texImage
);
3135 struct pipe_resource
*pt
= stImage
->pt
;
3136 struct st_context
*st
= st_context(ctx
);
3137 struct pipe_context
*pipe
= st
->pipe
;
3139 struct pipe_box box
;
3144 st_flush_bitmap_cache(st
);
3145 st_invalidate_readpix_cache(st
);
3147 u_box_3d(xoffset
, yoffset
, zoffset
+ texImage
->Face
,
3148 width
, height
, depth
, &box
);
3149 if (texObj
->Immutable
) {
3150 /* The texture object has to be consistent (no "loose", per-image
3151 * gallium resources). If this texture is a view into another
3152 * texture, we have to apply the MinLevel/Layer offsets. If this is
3153 * not a texture view, the offsets will be zero.
3155 assert(stImage
->pt
== st_texture_object(texObj
)->pt
);
3156 level
= texImage
->Level
+ texObj
->MinLevel
;
3157 box
.z
+= texObj
->MinLayer
;
3160 /* Texture level sizes may be inconsistent. We my have "loose",
3161 * per-image gallium resources. The texImage->Level may not match
3162 * the gallium resource texture level.
3164 level
= find_mipmap_level(texImage
, pt
);
3167 assert(level
<= pt
->last_level
);
3169 pipe
->clear_texture(pipe
, pt
, level
, &box
, clearValue
? clearValue
: zeros
);
3174 * Called via the glTexParam*() function, but only when some texture object
3175 * state has actually changed.
3178 st_TexParameter(struct gl_context
*ctx
,
3179 struct gl_texture_object
*texObj
, GLenum pname
)
3181 struct st_context
*st
= st_context(ctx
);
3182 struct st_texture_object
*stObj
= st_texture_object(texObj
);
3185 case GL_TEXTURE_BASE_LEVEL
:
3186 case GL_TEXTURE_MAX_LEVEL
:
3187 case GL_DEPTH_TEXTURE_MODE
:
3188 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
3189 case GL_TEXTURE_SRGB_DECODE_EXT
:
3190 case GL_TEXTURE_SWIZZLE_R
:
3191 case GL_TEXTURE_SWIZZLE_G
:
3192 case GL_TEXTURE_SWIZZLE_B
:
3193 case GL_TEXTURE_SWIZZLE_A
:
3194 case GL_TEXTURE_SWIZZLE_RGBA
:
3195 case GL_TEXTURE_BUFFER_SIZE
:
3196 case GL_TEXTURE_BUFFER_OFFSET
:
3197 /* changing any of these texture parameters means we must create
3198 * new sampler views.
3200 st_texture_release_all_sampler_views(st
, stObj
);
3208 st_SetTextureStorageForMemoryObject(struct gl_context
*ctx
,
3209 struct gl_texture_object
*texObj
,
3210 struct gl_memory_object
*memObj
,
3211 GLsizei levels
, GLsizei width
,
3212 GLsizei height
, GLsizei depth
,
3215 return st_texture_storage(ctx
, texObj
, levels
,
3216 width
, height
, depth
,
3221 st_NewTextureHandle(struct gl_context
*ctx
, struct gl_texture_object
*texObj
,
3222 struct gl_sampler_object
*sampObj
)
3224 struct st_context
*st
= st_context(ctx
);
3225 struct st_texture_object
*stObj
= st_texture_object(texObj
);
3226 struct pipe_context
*pipe
= st
->pipe
;
3227 struct pipe_sampler_view
*view
;
3228 struct pipe_sampler_state sampler
= {0};
3230 if (texObj
->Target
!= GL_TEXTURE_BUFFER
) {
3231 if (!st_finalize_texture(ctx
, pipe
, texObj
, 0))
3234 st_convert_sampler(st
, texObj
, sampObj
, 0, &sampler
);
3236 /* TODO: Clarify the interaction of ARB_bindless_texture and EXT_texture_sRGB_decode */
3237 view
= st_get_texture_sampler_view_from_stobj(st
, stObj
, sampObj
, 0, true);
3239 view
= st_get_buffer_sampler_view_from_stobj(st
, stObj
);
3242 return pipe
->create_texture_handle(pipe
, view
, &sampler
);
3247 st_DeleteTextureHandle(struct gl_context
*ctx
, GLuint64 handle
)
3249 struct st_context
*st
= st_context(ctx
);
3250 struct pipe_context
*pipe
= st
->pipe
;
3252 pipe
->delete_texture_handle(pipe
, handle
);
3257 st_MakeTextureHandleResident(struct gl_context
*ctx
, GLuint64 handle
,
3260 struct st_context
*st
= st_context(ctx
);
3261 struct pipe_context
*pipe
= st
->pipe
;
3263 pipe
->make_texture_handle_resident(pipe
, handle
, resident
);
3268 st_NewImageHandle(struct gl_context
*ctx
, struct gl_image_unit
*imgObj
)
3270 struct st_context
*st
= st_context(ctx
);
3271 struct pipe_context
*pipe
= st
->pipe
;
3272 struct pipe_image_view image
;
3274 st_convert_image(st
, imgObj
, &image
, GL_READ_WRITE
);
3276 return pipe
->create_image_handle(pipe
, &image
);
3281 st_DeleteImageHandle(struct gl_context
*ctx
, GLuint64 handle
)
3283 struct st_context
*st
= st_context(ctx
);
3284 struct pipe_context
*pipe
= st
->pipe
;
3286 pipe
->delete_image_handle(pipe
, handle
);
3291 st_MakeImageHandleResident(struct gl_context
*ctx
, GLuint64 handle
,
3292 GLenum access
, bool resident
)
3294 struct st_context
*st
= st_context(ctx
);
3295 struct pipe_context
*pipe
= st
->pipe
;
3297 pipe
->make_image_handle_resident(pipe
, handle
, access
, resident
);
3302 st_init_texture_functions(struct dd_function_table
*functions
)
3304 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
3305 functions
->QueryInternalFormat
= st_QueryInternalFormat
;
3306 functions
->TexImage
= st_TexImage
;
3307 functions
->TexSubImage
= st_TexSubImage
;
3308 functions
->CompressedTexSubImage
= st_CompressedTexSubImage
;
3309 functions
->CopyTexSubImage
= st_CopyTexSubImage
;
3310 functions
->GenerateMipmap
= st_generate_mipmap
;
3312 functions
->GetTexSubImage
= st_GetTexSubImage
;
3314 /* compressed texture functions */
3315 functions
->CompressedTexImage
= st_CompressedTexImage
;
3317 functions
->NewTextureObject
= st_NewTextureObject
;
3318 functions
->NewTextureImage
= st_NewTextureImage
;
3319 functions
->DeleteTextureImage
= st_DeleteTextureImage
;
3320 functions
->DeleteTexture
= st_DeleteTextureObject
;
3321 functions
->AllocTextureImageBuffer
= st_AllocTextureImageBuffer
;
3322 functions
->FreeTextureImageBuffer
= st_FreeTextureImageBuffer
;
3323 functions
->MapTextureImage
= st_MapTextureImage
;
3324 functions
->UnmapTextureImage
= st_UnmapTextureImage
;
3326 /* XXX Temporary until we can query pipe's texture sizes */
3327 functions
->TestProxyTexImage
= st_TestProxyTexImage
;
3329 functions
->AllocTextureStorage
= st_AllocTextureStorage
;
3330 functions
->TextureView
= st_TextureView
;
3331 functions
->ClearTexSubImage
= st_ClearTexSubImage
;
3333 functions
->TexParameter
= st_TexParameter
;
3335 /* bindless functions */
3336 functions
->NewTextureHandle
= st_NewTextureHandle
;
3337 functions
->DeleteTextureHandle
= st_DeleteTextureHandle
;
3338 functions
->MakeTextureHandleResident
= st_MakeTextureHandleResident
;
3339 functions
->NewImageHandle
= st_NewImageHandle
;
3340 functions
->DeleteImageHandle
= st_DeleteImageHandle
;
3341 functions
->MakeImageHandleResident
= st_MakeImageHandleResident
;
3343 /* external object functions */
3344 functions
->SetTextureStorageForMemoryObject
= st_SetTextureStorageForMemoryObject
;