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/fbobject.h"
32 #include "main/formats.h"
33 #include "main/format_utils.h"
34 #include "main/glformats.h"
35 #include "main/image.h"
36 #include "main/imports.h"
37 #include "main/macros.h"
38 #include "main/mipmap.h"
39 #include "main/pack.h"
41 #include "main/pixeltransfer.h"
42 #include "main/texcompress.h"
43 #include "main/texcompress_etc.h"
44 #include "main/texgetimage.h"
45 #include "main/teximage.h"
46 #include "main/texobj.h"
47 #include "main/texstore.h"
49 #include "state_tracker/st_debug.h"
50 #include "state_tracker/st_context.h"
51 #include "state_tracker/st_cb_bitmap.h"
52 #include "state_tracker/st_cb_fbo.h"
53 #include "state_tracker/st_cb_flush.h"
54 #include "state_tracker/st_cb_texture.h"
55 #include "state_tracker/st_cb_bufferobjects.h"
56 #include "state_tracker/st_format.h"
57 #include "state_tracker/st_pbo.h"
58 #include "state_tracker/st_texture.h"
59 #include "state_tracker/st_gen_mipmap.h"
60 #include "state_tracker/st_atom.h"
61 #include "state_tracker/st_sampler_view.h"
63 #include "pipe/p_context.h"
64 #include "pipe/p_defines.h"
65 #include "util/u_inlines.h"
66 #include "util/u_upload_mgr.h"
67 #include "pipe/p_shader_tokens.h"
68 #include "util/u_tile.h"
69 #include "util/u_format.h"
70 #include "util/u_surface.h"
71 #include "util/u_sampler.h"
72 #include "util/u_math.h"
73 #include "util/u_box.h"
74 #include "util/u_simple_shaders.h"
75 #include "cso_cache/cso_context.h"
76 #include "tgsi/tgsi_ureg.h"
78 #define DBG if (0) printf
81 enum pipe_texture_target
82 gl_target_to_pipe(GLenum target
)
86 case GL_PROXY_TEXTURE_1D
:
87 return PIPE_TEXTURE_1D
;
89 case GL_PROXY_TEXTURE_2D
:
90 case GL_TEXTURE_EXTERNAL_OES
:
91 case GL_TEXTURE_2D_MULTISAMPLE
:
92 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
93 return PIPE_TEXTURE_2D
;
94 case GL_TEXTURE_RECTANGLE_NV
:
95 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
96 return PIPE_TEXTURE_RECT
;
98 case GL_PROXY_TEXTURE_3D
:
99 return PIPE_TEXTURE_3D
;
100 case GL_TEXTURE_CUBE_MAP_ARB
:
101 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
102 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
103 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
104 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
105 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
106 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
107 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
108 return PIPE_TEXTURE_CUBE
;
109 case GL_TEXTURE_1D_ARRAY_EXT
:
110 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
111 return PIPE_TEXTURE_1D_ARRAY
;
112 case GL_TEXTURE_2D_ARRAY_EXT
:
113 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
114 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
115 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
116 return PIPE_TEXTURE_2D_ARRAY
;
117 case GL_TEXTURE_BUFFER
:
119 case GL_TEXTURE_CUBE_MAP_ARRAY
:
120 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
121 return PIPE_TEXTURE_CUBE_ARRAY
;
129 /** called via ctx->Driver.NewTextureImage() */
130 static struct gl_texture_image
*
131 st_NewTextureImage(struct gl_context
* ctx
)
133 DBG("%s\n", __func__
);
135 return (struct gl_texture_image
*) ST_CALLOC_STRUCT(st_texture_image
);
139 /** called via ctx->Driver.DeleteTextureImage() */
141 st_DeleteTextureImage(struct gl_context
* ctx
, struct gl_texture_image
*img
)
143 /* nothing special (yet) for st_texture_image */
144 _mesa_delete_texture_image(ctx
, img
);
148 /** called via ctx->Driver.NewTextureObject() */
149 static struct gl_texture_object
*
150 st_NewTextureObject(struct gl_context
* ctx
, GLuint name
, GLenum target
)
152 struct st_texture_object
*obj
= ST_CALLOC_STRUCT(st_texture_object
);
154 DBG("%s\n", __func__
);
155 _mesa_initialize_texture_object(ctx
, &obj
->base
, name
, target
);
160 /** called via ctx->Driver.DeleteTextureObject() */
162 st_DeleteTextureObject(struct gl_context
*ctx
,
163 struct gl_texture_object
*texObj
)
165 struct st_context
*st
= st_context(ctx
);
166 struct st_texture_object
*stObj
= st_texture_object(texObj
);
168 pipe_resource_reference(&stObj
->pt
, NULL
);
169 st_texture_release_all_sampler_views(st
, stObj
);
170 st_texture_free_sampler_views(stObj
);
171 _mesa_delete_texture_object(ctx
, texObj
);
175 /** called via ctx->Driver.FreeTextureImageBuffer() */
177 st_FreeTextureImageBuffer(struct gl_context
*ctx
,
178 struct gl_texture_image
*texImage
)
180 struct st_context
*st
= st_context(ctx
);
181 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
182 struct st_texture_image
*stImage
= st_texture_image(texImage
);
184 DBG("%s\n", __func__
);
187 pipe_resource_reference(&stImage
->pt
, NULL
);
190 free(stImage
->transfer
);
191 stImage
->transfer
= NULL
;
192 stImage
->num_transfers
= 0;
194 if (stImage
->etc_data
) {
195 free(stImage
->etc_data
);
196 stImage
->etc_data
= NULL
;
199 /* if the texture image is being deallocated, the structure of the
200 * texture is changing so we'll likely need a new sampler view.
202 st_texture_release_all_sampler_views(st
, stObj
);
206 st_etc_fallback(struct st_context
*st
, struct gl_texture_image
*texImage
)
208 return (_mesa_is_format_etc2(texImage
->TexFormat
) && !st
->has_etc2
) ||
209 (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
);
213 etc_fallback_allocate(struct st_context
*st
, struct st_texture_image
*stImage
)
215 struct gl_texture_image
*texImage
= &stImage
->base
;
217 if (!st_etc_fallback(st
, texImage
))
220 if (stImage
->etc_data
)
221 free(stImage
->etc_data
);
223 unsigned data_size
= _mesa_format_image_size(texImage
->TexFormat
,
229 malloc(data_size
* _mesa_num_tex_faces(texImage
->TexObject
->Target
));
232 /** called via ctx->Driver.MapTextureImage() */
234 st_MapTextureImage(struct gl_context
*ctx
,
235 struct gl_texture_image
*texImage
,
236 GLuint slice
, GLuint x
, GLuint y
, GLuint w
, GLuint h
,
238 GLubyte
**mapOut
, GLint
*rowStrideOut
)
240 struct st_context
*st
= st_context(ctx
);
241 struct st_texture_image
*stImage
= st_texture_image(texImage
);
244 struct pipe_transfer
*transfer
;
247 if (mode
& GL_MAP_READ_BIT
)
248 pipeMode
|= PIPE_TRANSFER_READ
;
249 if (mode
& GL_MAP_WRITE_BIT
)
250 pipeMode
|= PIPE_TRANSFER_WRITE
;
251 if (mode
& GL_MAP_INVALIDATE_RANGE_BIT
)
252 pipeMode
|= PIPE_TRANSFER_DISCARD_RANGE
;
254 map
= st_texture_image_map(st
, stImage
, pipeMode
, x
, y
, slice
, w
, h
, 1,
257 if (st_etc_fallback(st
, texImage
)) {
258 /* ETC isn't supported by all gallium drivers, where it's represented
259 * by uncompressed formats. We store the compressed data (as it's
260 * needed for image copies in OES_copy_image), and decompress as
261 * necessary in Unmap.
263 * Note: all ETC1/ETC2 formats have 4x4 block sizes.
265 unsigned z
= transfer
->box
.z
;
266 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
268 unsigned bytes
= _mesa_get_format_bytes(texImage
->TexFormat
);
269 unsigned stride
= *rowStrideOut
= itransfer
->temp_stride
=
270 _mesa_format_row_stride(texImage
->TexFormat
, texImage
->Width2
);
271 *mapOut
= itransfer
->temp_data
=
272 stImage
->etc_data
+ ((x
/ 4) * bytes
+ (y
/ 4) * stride
) +
273 z
* stride
* texImage
->Height2
/ 4;
274 itransfer
->map
= map
;
277 /* supported mapping */
279 *rowStrideOut
= transfer
->stride
;
289 /** called via ctx->Driver.UnmapTextureImage() */
291 st_UnmapTextureImage(struct gl_context
*ctx
,
292 struct gl_texture_image
*texImage
,
295 struct st_context
*st
= st_context(ctx
);
296 struct st_texture_image
*stImage
= st_texture_image(texImage
);
298 if (st_etc_fallback(st
, texImage
)) {
299 /* Decompress the ETC texture to the mapped one. */
300 unsigned z
= slice
+ stImage
->base
.Face
;
301 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
302 struct pipe_transfer
*transfer
= itransfer
->transfer
;
304 assert(z
== transfer
->box
.z
);
306 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
307 if (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
) {
308 _mesa_etc1_unpack_rgba8888(itransfer
->map
, transfer
->stride
,
309 itransfer
->temp_data
,
310 itransfer
->temp_stride
,
311 transfer
->box
.width
, transfer
->box
.height
);
314 _mesa_unpack_etc2_format(itransfer
->map
, transfer
->stride
,
315 itransfer
->temp_data
, itransfer
->temp_stride
,
316 transfer
->box
.width
, transfer
->box
.height
,
317 texImage
->TexFormat
);
321 itransfer
->temp_data
= NULL
;
322 itransfer
->temp_stride
= 0;
326 st_texture_image_unmap(st
, stImage
, slice
);
331 * Return default texture resource binding bitmask for the given format.
334 default_bindings(struct st_context
*st
, enum pipe_format format
)
336 struct pipe_screen
*screen
= st
->pipe
->screen
;
337 const unsigned target
= PIPE_TEXTURE_2D
;
340 if (util_format_is_depth_or_stencil(format
))
341 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_DEPTH_STENCIL
;
343 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
;
345 if (screen
->is_format_supported(screen
, format
, target
, 0, bindings
))
349 format
= util_format_linear(format
);
351 if (screen
->is_format_supported(screen
, format
, target
, 0, bindings
))
354 return PIPE_BIND_SAMPLER_VIEW
;
360 * Given the size of a mipmap image, try to compute the size of the level=0
363 * Note that this isn't always accurate for odd-sized, non-POW textures.
364 * For example, if level=1 and width=40 then the level=0 width may be 80 or 81.
366 * \return GL_TRUE for success, GL_FALSE for failure
369 guess_base_level_size(GLenum target
,
370 GLuint width
, GLuint height
, GLuint depth
, GLuint level
,
371 GLuint
*width0
, GLuint
*height0
, GLuint
*depth0
)
378 /* Guess the size of the base level.
379 * Depending on the image's size, we can't always make a guess here.
383 case GL_TEXTURE_1D_ARRAY
:
388 case GL_TEXTURE_2D_ARRAY
:
389 /* We can't make a good guess here, because the base level dimensions
392 if (width
== 1 || height
== 1) {
399 case GL_TEXTURE_CUBE_MAP
:
400 case GL_TEXTURE_CUBE_MAP_ARRAY
:
406 /* We can't make a good guess here, because the base level dimensions
409 if (width
== 1 || height
== 1 || depth
== 1) {
417 case GL_TEXTURE_RECTANGLE
:
434 * Try to determine whether we should allocate memory for a full texture
435 * mipmap. The problem is when we get a glTexImage(level=0) call, we
436 * can't immediately know if other mipmap levels are coming next. Here
437 * we try to guess whether to allocate memory for a mipmap or just the
440 * If we guess incorrectly here we'll later reallocate the right amount of
441 * memory either in st_AllocTextureImageBuffer() or st_finalize_texture().
443 * \param stObj the texture object we're going to allocate memory for.
444 * \param stImage describes the incoming image which we need to store.
447 allocate_full_mipmap(const struct st_texture_object
*stObj
,
448 const struct st_texture_image
*stImage
)
450 switch (stObj
->base
.Target
) {
451 case GL_TEXTURE_RECTANGLE_NV
:
452 case GL_TEXTURE_BUFFER
:
453 case GL_TEXTURE_EXTERNAL_OES
:
454 case GL_TEXTURE_2D_MULTISAMPLE
:
455 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
456 /* these texture types cannot be mipmapped */
460 if (stImage
->base
.Level
> 0 || stObj
->base
.GenerateMipmap
)
463 if (stImage
->base
._BaseFormat
== GL_DEPTH_COMPONENT
||
464 stImage
->base
._BaseFormat
== GL_DEPTH_STENCIL_EXT
)
465 /* depth/stencil textures are seldom mipmapped */
468 if (stObj
->base
.BaseLevel
== 0 && stObj
->base
.MaxLevel
== 0)
471 if (stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
||
472 stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
)
473 /* not a mipmap minification filter */
476 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
477 /* 3D textures are seldom mipmapped */
485 * Try to allocate a pipe_resource object for the given st_texture_object.
487 * We use the given st_texture_image as a clue to determine the size of the
488 * mipmap image at level=0.
490 * \return GL_TRUE for success, GL_FALSE if out of memory.
493 guess_and_alloc_texture(struct st_context
*st
,
494 struct st_texture_object
*stObj
,
495 const struct st_texture_image
*stImage
)
497 const struct gl_texture_image
*firstImage
;
498 GLuint lastLevel
, width
, height
, depth
;
500 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
;
501 enum pipe_format fmt
;
502 bool guessed_box
= false;
504 DBG("%s\n", __func__
);
508 /* If a base level image with compatible size exists, use that as our guess.
510 firstImage
= _mesa_base_tex_image(&stObj
->base
);
512 firstImage
->Width2
> 0 &&
513 firstImage
->Height2
> 0 &&
514 firstImage
->Depth2
> 0 &&
515 guess_base_level_size(stObj
->base
.Target
,
520 &width
, &height
, &depth
)) {
521 if (stImage
->base
.Width2
== u_minify(width
, stImage
->base
.Level
) &&
522 stImage
->base
.Height2
== u_minify(height
, stImage
->base
.Level
) &&
523 stImage
->base
.Depth2
== u_minify(depth
, stImage
->base
.Level
))
528 guessed_box
= guess_base_level_size(stObj
->base
.Target
,
529 stImage
->base
.Width2
,
530 stImage
->base
.Height2
,
531 stImage
->base
.Depth2
,
533 &width
, &height
, &depth
);
536 /* we can't determine the image size at level=0 */
537 /* this is not an out of memory error */
541 /* At this point, (width x height x depth) is the expected size of
542 * the level=0 mipmap image.
545 /* Guess a reasonable value for lastLevel. With OpenGL we have no
546 * idea how many mipmap levels will be in a texture until we start
547 * to render with it. Make an educated guess here but be prepared
548 * to re-allocating a texture buffer with space for more (or fewer)
549 * mipmap levels later.
551 if (allocate_full_mipmap(stObj
, stImage
)) {
552 /* alloc space for a full mipmap */
553 lastLevel
= _mesa_get_tex_max_num_levels(stObj
->base
.Target
,
554 width
, height
, depth
) - 1;
557 /* only alloc space for a single mipmap level */
561 fmt
= st_mesa_format_to_pipe_format(st
, stImage
->base
.TexFormat
);
563 bindings
= default_bindings(st
, fmt
);
565 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
566 width
, height
, depth
,
567 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
569 stObj
->pt
= st_texture_create(st
,
570 gl_target_to_pipe(stObj
->base
.Target
),
579 stObj
->lastLevel
= lastLevel
;
581 DBG("%s returning %d\n", __func__
, (stObj
->pt
!= NULL
));
583 return stObj
->pt
!= NULL
;
588 * Called via ctx->Driver.AllocTextureImageBuffer().
589 * If the texture object/buffer already has space for the indicated image,
590 * we're done. Otherwise, allocate memory for the new texture image.
593 st_AllocTextureImageBuffer(struct gl_context
*ctx
,
594 struct gl_texture_image
*texImage
)
596 struct st_context
*st
= st_context(ctx
);
597 struct st_texture_image
*stImage
= st_texture_image(texImage
);
598 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
599 const GLuint level
= texImage
->Level
;
600 GLuint width
= texImage
->Width
;
601 GLuint height
= texImage
->Height
;
602 GLuint depth
= texImage
->Depth
;
604 DBG("%s\n", __func__
);
606 assert(!stImage
->pt
); /* xxx this might be wrong */
608 etc_fallback_allocate(st
, stImage
);
610 /* Look if the parent texture object has space for this image */
612 level
<= stObj
->pt
->last_level
&&
613 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
614 /* this image will fit in the existing texture object's memory */
615 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
619 /* The parent texture object does not have space for this image */
621 pipe_resource_reference(&stObj
->pt
, NULL
);
622 st_texture_release_all_sampler_views(st
, stObj
);
624 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
625 /* Probably out of memory.
626 * Try flushing any pending rendering, then retry.
629 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
630 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
636 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
637 /* The image will live in the object's mipmap memory */
638 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
643 /* Create a new, temporary texture/resource/buffer to hold this
644 * one texture image. Note that when we later access this image
645 * (either for mapping or copying) we'll want to always specify
646 * mipmap level=0, even if the image represents some other mipmap
649 enum pipe_format format
=
650 st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
651 GLuint bindings
= default_bindings(st
, format
);
652 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
;
654 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
655 width
, height
, depth
,
656 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
658 stImage
->pt
= st_texture_create(st
,
659 gl_target_to_pipe(stObj
->base
.Target
),
667 return stImage
->pt
!= NULL
;
673 * Preparation prior to glTexImage. Basically check the 'surface_based'
674 * field and switch to a "normal" tex image if necessary.
677 prep_teximage(struct gl_context
*ctx
, struct gl_texture_image
*texImage
,
678 GLenum format
, GLenum type
)
680 struct gl_texture_object
*texObj
= texImage
->TexObject
;
681 struct st_texture_object
*stObj
= st_texture_object(texObj
);
683 /* switch to "normal" */
684 if (stObj
->surface_based
) {
685 const GLenum target
= texObj
->Target
;
686 const GLuint level
= texImage
->Level
;
687 mesa_format texFormat
;
689 _mesa_clear_texture_object(ctx
, texObj
);
690 pipe_resource_reference(&stObj
->pt
, NULL
);
692 /* oops, need to init this image again */
693 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
694 texImage
->InternalFormat
, format
,
697 _mesa_init_teximage_fields(ctx
, texImage
,
698 texImage
->Width
, texImage
->Height
,
699 texImage
->Depth
, texImage
->Border
,
700 texImage
->InternalFormat
, texFormat
);
702 stObj
->surface_based
= GL_FALSE
;
708 * Return a writemask for the gallium blit. The parameters can be base
709 * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
712 st_get_blit_mask(GLenum srcFormat
, GLenum dstFormat
)
715 case GL_DEPTH_STENCIL
:
717 case GL_DEPTH_STENCIL
:
719 case GL_DEPTH_COMPONENT
:
721 case GL_STENCIL_INDEX
:
728 case GL_DEPTH_COMPONENT
:
730 case GL_DEPTH_STENCIL
:
731 case GL_DEPTH_COMPONENT
:
738 case GL_STENCIL_INDEX
:
740 case GL_STENCIL_INDEX
:
748 return PIPE_MASK_RGBA
;
753 * Converts format to a format with the same components, types
754 * and sizes, but with the components in RGBA order.
756 static enum pipe_format
757 unswizzle_format(enum pipe_format format
)
761 case PIPE_FORMAT_B8G8R8A8_UNORM
:
762 case PIPE_FORMAT_A8R8G8B8_UNORM
:
763 case PIPE_FORMAT_A8B8G8R8_UNORM
:
764 return PIPE_FORMAT_R8G8B8A8_UNORM
;
766 case PIPE_FORMAT_B10G10R10A2_UNORM
:
767 return PIPE_FORMAT_R10G10B10A2_UNORM
;
769 case PIPE_FORMAT_B10G10R10A2_SNORM
:
770 return PIPE_FORMAT_R10G10B10A2_SNORM
;
772 case PIPE_FORMAT_B10G10R10A2_UINT
:
773 return PIPE_FORMAT_R10G10B10A2_UINT
;
781 * Converts PIPE_FORMAT_A* to PIPE_FORMAT_R*.
783 static enum pipe_format
784 alpha_to_red(enum pipe_format format
)
788 case PIPE_FORMAT_A8_UNORM
:
789 return PIPE_FORMAT_R8_UNORM
;
790 case PIPE_FORMAT_A8_SNORM
:
791 return PIPE_FORMAT_R8_SNORM
;
792 case PIPE_FORMAT_A8_UINT
:
793 return PIPE_FORMAT_R8_UINT
;
794 case PIPE_FORMAT_A8_SINT
:
795 return PIPE_FORMAT_R8_SINT
;
797 case PIPE_FORMAT_A16_UNORM
:
798 return PIPE_FORMAT_R16_UNORM
;
799 case PIPE_FORMAT_A16_SNORM
:
800 return PIPE_FORMAT_R16_SNORM
;
801 case PIPE_FORMAT_A16_UINT
:
802 return PIPE_FORMAT_R16_UINT
;
803 case PIPE_FORMAT_A16_SINT
:
804 return PIPE_FORMAT_R16_SINT
;
805 case PIPE_FORMAT_A16_FLOAT
:
806 return PIPE_FORMAT_R16_FLOAT
;
808 case PIPE_FORMAT_A32_UINT
:
809 return PIPE_FORMAT_R32_UINT
;
810 case PIPE_FORMAT_A32_SINT
:
811 return PIPE_FORMAT_R32_SINT
;
812 case PIPE_FORMAT_A32_FLOAT
:
813 return PIPE_FORMAT_R32_FLOAT
;
821 * Converts PIPE_FORMAT_R*A* to PIPE_FORMAT_R*G*.
823 static enum pipe_format
824 red_alpha_to_red_green(enum pipe_format format
)
828 case PIPE_FORMAT_R8A8_UNORM
:
829 return PIPE_FORMAT_R8G8_UNORM
;
830 case PIPE_FORMAT_R8A8_SNORM
:
831 return PIPE_FORMAT_R8G8_SNORM
;
832 case PIPE_FORMAT_R8A8_UINT
:
833 return PIPE_FORMAT_R8G8_UINT
;
834 case PIPE_FORMAT_R8A8_SINT
:
835 return PIPE_FORMAT_R8G8_SINT
;
837 case PIPE_FORMAT_R16A16_UNORM
:
838 return PIPE_FORMAT_R16G16_UNORM
;
839 case PIPE_FORMAT_R16A16_SNORM
:
840 return PIPE_FORMAT_R16G16_SNORM
;
841 case PIPE_FORMAT_R16A16_UINT
:
842 return PIPE_FORMAT_R16G16_UINT
;
843 case PIPE_FORMAT_R16A16_SINT
:
844 return PIPE_FORMAT_R16G16_SINT
;
845 case PIPE_FORMAT_R16A16_FLOAT
:
846 return PIPE_FORMAT_R16G16_FLOAT
;
848 case PIPE_FORMAT_R32A32_UINT
:
849 return PIPE_FORMAT_R32G32_UINT
;
850 case PIPE_FORMAT_R32A32_SINT
:
851 return PIPE_FORMAT_R32G32_SINT
;
852 case PIPE_FORMAT_R32A32_FLOAT
:
853 return PIPE_FORMAT_R32G32_FLOAT
;
861 * Converts PIPE_FORMAT_L*A* to PIPE_FORMAT_R*G*.
863 static enum pipe_format
864 luminance_alpha_to_red_green(enum pipe_format format
)
868 case PIPE_FORMAT_L8A8_UNORM
:
869 return PIPE_FORMAT_R8G8_UNORM
;
870 case PIPE_FORMAT_L8A8_SNORM
:
871 return PIPE_FORMAT_R8G8_SNORM
;
872 case PIPE_FORMAT_L8A8_UINT
:
873 return PIPE_FORMAT_R8G8_UINT
;
874 case PIPE_FORMAT_L8A8_SINT
:
875 return PIPE_FORMAT_R8G8_SINT
;
877 case PIPE_FORMAT_L16A16_UNORM
:
878 return PIPE_FORMAT_R16G16_UNORM
;
879 case PIPE_FORMAT_L16A16_SNORM
:
880 return PIPE_FORMAT_R16G16_SNORM
;
881 case PIPE_FORMAT_L16A16_UINT
:
882 return PIPE_FORMAT_R16G16_UINT
;
883 case PIPE_FORMAT_L16A16_SINT
:
884 return PIPE_FORMAT_R16G16_SINT
;
885 case PIPE_FORMAT_L16A16_FLOAT
:
886 return PIPE_FORMAT_R16G16_FLOAT
;
888 case PIPE_FORMAT_L32A32_UINT
:
889 return PIPE_FORMAT_R32G32_UINT
;
890 case PIPE_FORMAT_L32A32_SINT
:
891 return PIPE_FORMAT_R32G32_SINT
;
892 case PIPE_FORMAT_L32A32_FLOAT
:
893 return PIPE_FORMAT_R32G32_FLOAT
;
901 * Returns true if format is a PIPE_FORMAT_A* format, and false otherwise.
904 format_is_alpha(enum pipe_format format
)
906 const struct util_format_description
*desc
= util_format_description(format
);
908 if (desc
->nr_channels
== 1 &&
909 desc
->swizzle
[0] == PIPE_SWIZZLE_0
&&
910 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
911 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
912 desc
->swizzle
[3] == PIPE_SWIZZLE_X
)
919 * Returns true if format is a PIPE_FORMAT_R* format, and false otherwise.
922 format_is_red(enum pipe_format format
)
924 const struct util_format_description
*desc
= util_format_description(format
);
926 if (desc
->nr_channels
== 1 &&
927 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
928 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
929 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
930 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
938 * Returns true if format is a PIPE_FORMAT_L* format, and false otherwise.
941 format_is_luminance(enum pipe_format format
)
943 const struct util_format_description
*desc
= util_format_description(format
);
945 if (desc
->nr_channels
== 1 &&
946 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
947 desc
->swizzle
[1] == PIPE_SWIZZLE_X
&&
948 desc
->swizzle
[2] == PIPE_SWIZZLE_X
&&
949 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
956 * Returns true if format is a PIPE_FORMAT_R*A* format, and false otherwise.
959 format_is_red_alpha(enum pipe_format format
)
961 const struct util_format_description
*desc
= util_format_description(format
);
963 if (desc
->nr_channels
== 2 &&
964 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
965 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
966 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
967 desc
->swizzle
[3] == PIPE_SWIZZLE_Y
)
974 format_is_swizzled_rgba(enum pipe_format format
)
976 const struct util_format_description
*desc
= util_format_description(format
);
978 if ((desc
->swizzle
[0] == TGSI_SWIZZLE_X
|| desc
->swizzle
[0] == PIPE_SWIZZLE_0
) &&
979 (desc
->swizzle
[1] == TGSI_SWIZZLE_Y
|| desc
->swizzle
[1] == PIPE_SWIZZLE_0
) &&
980 (desc
->swizzle
[2] == TGSI_SWIZZLE_Z
|| desc
->swizzle
[2] == PIPE_SWIZZLE_0
) &&
981 (desc
->swizzle
[3] == TGSI_SWIZZLE_W
|| desc
->swizzle
[3] == PIPE_SWIZZLE_1
))
989 unsigned char swizzle
[4];
990 enum pipe_format format
;
993 static const struct format_table table_8888_unorm
[] = {
994 { { 0, 1, 2, 3 }, PIPE_FORMAT_R8G8B8A8_UNORM
},
995 { { 2, 1, 0, 3 }, PIPE_FORMAT_B8G8R8A8_UNORM
},
996 { { 3, 0, 1, 2 }, PIPE_FORMAT_A8R8G8B8_UNORM
},
997 { { 3, 2, 1, 0 }, PIPE_FORMAT_A8B8G8R8_UNORM
}
1000 static const struct format_table table_1010102_unorm
[] = {
1001 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UNORM
},
1002 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UNORM
}
1005 static const struct format_table table_1010102_snorm
[] = {
1006 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_SNORM
},
1007 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_SNORM
}
1010 static const struct format_table table_1010102_uint
[] = {
1011 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UINT
},
1012 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UINT
}
1015 static enum pipe_format
1016 swizzle_format(enum pipe_format format
, const int * const swizzle
)
1021 case PIPE_FORMAT_R8G8B8A8_UNORM
:
1022 case PIPE_FORMAT_B8G8R8A8_UNORM
:
1023 case PIPE_FORMAT_A8R8G8B8_UNORM
:
1024 case PIPE_FORMAT_A8B8G8R8_UNORM
:
1025 for (i
= 0; i
< ARRAY_SIZE(table_8888_unorm
); i
++) {
1026 if (swizzle
[0] == table_8888_unorm
[i
].swizzle
[0] &&
1027 swizzle
[1] == table_8888_unorm
[i
].swizzle
[1] &&
1028 swizzle
[2] == table_8888_unorm
[i
].swizzle
[2] &&
1029 swizzle
[3] == table_8888_unorm
[i
].swizzle
[3])
1030 return table_8888_unorm
[i
].format
;
1034 case PIPE_FORMAT_R10G10B10A2_UNORM
:
1035 case PIPE_FORMAT_B10G10R10A2_UNORM
:
1036 for (i
= 0; i
< ARRAY_SIZE(table_1010102_unorm
); i
++) {
1037 if (swizzle
[0] == table_1010102_unorm
[i
].swizzle
[0] &&
1038 swizzle
[1] == table_1010102_unorm
[i
].swizzle
[1] &&
1039 swizzle
[2] == table_1010102_unorm
[i
].swizzle
[2] &&
1040 swizzle
[3] == table_1010102_unorm
[i
].swizzle
[3])
1041 return table_1010102_unorm
[i
].format
;
1045 case PIPE_FORMAT_R10G10B10A2_SNORM
:
1046 case PIPE_FORMAT_B10G10R10A2_SNORM
:
1047 for (i
= 0; i
< ARRAY_SIZE(table_1010102_snorm
); i
++) {
1048 if (swizzle
[0] == table_1010102_snorm
[i
].swizzle
[0] &&
1049 swizzle
[1] == table_1010102_snorm
[i
].swizzle
[1] &&
1050 swizzle
[2] == table_1010102_snorm
[i
].swizzle
[2] &&
1051 swizzle
[3] == table_1010102_snorm
[i
].swizzle
[3])
1052 return table_1010102_snorm
[i
].format
;
1056 case PIPE_FORMAT_R10G10B10A2_UINT
:
1057 case PIPE_FORMAT_B10G10R10A2_UINT
:
1058 for (i
= 0; i
< ARRAY_SIZE(table_1010102_uint
); i
++) {
1059 if (swizzle
[0] == table_1010102_uint
[i
].swizzle
[0] &&
1060 swizzle
[1] == table_1010102_uint
[i
].swizzle
[1] &&
1061 swizzle
[2] == table_1010102_uint
[i
].swizzle
[2] &&
1062 swizzle
[3] == table_1010102_uint
[i
].swizzle
[3])
1063 return table_1010102_uint
[i
].format
;
1071 return PIPE_FORMAT_NONE
;
1075 reinterpret_formats(enum pipe_format
*src_format
, enum pipe_format
*dst_format
)
1077 enum pipe_format src
= *src_format
;
1078 enum pipe_format dst
= *dst_format
;
1080 /* Note: dst_format has already been transformed from luminance/intensity
1081 * to red when this function is called. The source format will never
1082 * be an intensity format, because GL_INTENSITY is not a legal value
1083 * for the format parameter in glTex(Sub)Image(). */
1085 if (format_is_alpha(src
)) {
1086 if (!format_is_alpha(dst
))
1089 src
= alpha_to_red(src
);
1090 dst
= alpha_to_red(dst
);
1091 } else if (format_is_luminance(src
)) {
1092 if (!format_is_red(dst
) && !format_is_red_alpha(dst
))
1095 src
= util_format_luminance_to_red(src
);
1096 } else if (util_format_is_luminance_alpha(src
)) {
1097 src
= luminance_alpha_to_red_green(src
);
1099 if (format_is_red_alpha(dst
)) {
1100 dst
= red_alpha_to_red_green(dst
);
1101 } else if (!format_is_red(dst
))
1103 } else if (format_is_swizzled_rgba(src
)) {
1104 const struct util_format_description
*src_desc
= util_format_description(src
);
1105 const struct util_format_description
*dst_desc
= util_format_description(dst
);
1109 /* Make sure the format is an RGBA and not an RGBX format */
1110 if (src_desc
->nr_channels
!= 4 || src_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1113 if (dst_desc
->nr_channels
!= 4 || dst_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1116 for (i
= 0; i
< 4; i
++)
1117 swizzle
[i
] = dst_desc
->swizzle
[src_desc
->swizzle
[i
]];
1119 dst
= swizzle_format(dst
, swizzle
);
1120 if (dst
== PIPE_FORMAT_NONE
)
1123 src
= unswizzle_format(src
);
1132 try_pbo_upload_common(struct gl_context
*ctx
,
1133 struct pipe_surface
*surface
,
1134 const struct st_pbo_addresses
*addr
,
1135 enum pipe_format src_format
)
1137 struct st_context
*st
= st_context(ctx
);
1138 struct cso_context
*cso
= st
->cso_context
;
1139 struct pipe_context
*pipe
= st
->pipe
;
1140 bool success
= false;
1142 /* Create fragment shader */
1143 if (!st
->pbo
.upload_fs
) {
1144 st
->pbo
.upload_fs
= st_pbo_create_upload_fs(st
);
1145 if (!st
->pbo
.upload_fs
)
1149 cso_save_state(cso
, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
1150 CSO_BIT_FRAGMENT_SAMPLERS
|
1151 CSO_BIT_VERTEX_ELEMENTS
|
1152 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
1153 CSO_BIT_FRAMEBUFFER
|
1156 CSO_BIT_DEPTH_STENCIL_ALPHA
|
1157 CSO_BIT_RASTERIZER
|
1158 CSO_BIT_STREAM_OUTPUTS
|
1159 CSO_BIT_PAUSE_QUERIES
|
1160 CSO_BITS_ALL_SHADERS
));
1161 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1164 /* Set up the sampler_view */
1166 struct pipe_sampler_view templ
;
1167 struct pipe_sampler_view
*sampler_view
;
1168 struct pipe_sampler_state sampler
= {0};
1169 const struct pipe_sampler_state
*samplers
[1] = {&sampler
};
1171 memset(&templ
, 0, sizeof(templ
));
1172 templ
.target
= PIPE_BUFFER
;
1173 templ
.format
= src_format
;
1174 templ
.u
.buf
.offset
= addr
->first_element
* addr
->bytes_per_pixel
;
1175 templ
.u
.buf
.size
= (addr
->last_element
- addr
->first_element
+ 1) *
1176 addr
->bytes_per_pixel
;
1177 templ
.swizzle_r
= PIPE_SWIZZLE_X
;
1178 templ
.swizzle_g
= PIPE_SWIZZLE_Y
;
1179 templ
.swizzle_b
= PIPE_SWIZZLE_Z
;
1180 templ
.swizzle_a
= PIPE_SWIZZLE_W
;
1182 sampler_view
= pipe
->create_sampler_view(pipe
, addr
->buffer
, &templ
);
1183 if (sampler_view
== NULL
)
1186 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1, &sampler_view
);
1188 pipe_sampler_view_reference(&sampler_view
, NULL
);
1190 cso_set_samplers(cso
, PIPE_SHADER_FRAGMENT
, 1, samplers
);
1193 /* Framebuffer_state */
1195 struct pipe_framebuffer_state fb
;
1196 memset(&fb
, 0, sizeof(fb
));
1197 fb
.width
= surface
->width
;
1198 fb
.height
= surface
->height
;
1200 pipe_surface_reference(&fb
.cbufs
[0], surface
);
1202 cso_set_framebuffer(cso
, &fb
);
1204 pipe_surface_reference(&fb
.cbufs
[0], NULL
);
1207 cso_set_viewport_dims(cso
, surface
->width
, surface
->height
, FALSE
);
1210 cso_set_blend(cso
, &st
->pbo
.upload_blend
);
1212 /* Depth/stencil/alpha state */
1214 struct pipe_depth_stencil_alpha_state dsa
;
1215 memset(&dsa
, 0, sizeof(dsa
));
1216 cso_set_depth_stencil_alpha(cso
, &dsa
);
1219 /* Set up the fragment shader */
1220 cso_set_fragment_shader_handle(cso
, st
->pbo
.upload_fs
);
1222 success
= st_pbo_draw(st
, addr
, surface
->width
, surface
->height
);
1225 cso_restore_state(cso
);
1226 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1232 try_pbo_upload(struct gl_context
*ctx
, GLuint dims
,
1233 struct gl_texture_image
*texImage
,
1234 GLenum format
, GLenum type
,
1235 enum pipe_format dst_format
,
1236 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1237 GLint width
, GLint height
, GLint depth
,
1239 const struct gl_pixelstore_attrib
*unpack
)
1241 struct st_context
*st
= st_context(ctx
);
1242 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1243 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1244 struct pipe_resource
*texture
= stImage
->pt
;
1245 struct pipe_context
*pipe
= st
->pipe
;
1246 struct pipe_screen
*screen
= pipe
->screen
;
1247 struct pipe_surface
*surface
= NULL
;
1248 struct st_pbo_addresses addr
;
1249 enum pipe_format src_format
;
1250 const struct util_format_description
*desc
;
1251 GLenum gl_target
= texImage
->TexObject
->Target
;
1254 if (!st
->pbo
.upload_enabled
)
1257 /* From now on, we need the gallium representation of dimensions. */
1258 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1265 if (depth
!= 1 && !st
->pbo
.layers
)
1268 /* Choose the source format. Initially, we do so without checking driver
1269 * support at all because of the remapping we later perform and because
1270 * at least the Radeon driver actually supports some formats for texture
1271 * buffers which it doesn't support for regular textures. */
1272 src_format
= st_choose_matching_format(st
, 0, format
, type
, unpack
->SwapBytes
);
1277 src_format
= util_format_linear(src_format
);
1278 desc
= util_format_description(src_format
);
1280 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
1283 if (desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
1286 if (st
->pbo
.rgba_only
) {
1287 enum pipe_format orig_dst_format
= dst_format
;
1289 if (!reinterpret_formats(&src_format
, &dst_format
)) {
1293 if (dst_format
!= orig_dst_format
&&
1294 !screen
->is_format_supported(screen
, dst_format
, PIPE_TEXTURE_2D
, 0,
1295 PIPE_BIND_RENDER_TARGET
)) {
1301 !screen
->is_format_supported(screen
, src_format
, PIPE_BUFFER
, 0,
1302 PIPE_BIND_SAMPLER_VIEW
)) {
1306 /* Compute buffer addresses */
1307 addr
.xoffset
= xoffset
;
1308 addr
.yoffset
= yoffset
;
1310 addr
.height
= height
;
1312 addr
.bytes_per_pixel
= desc
->block
.bits
/ 8;
1314 if (!st_pbo_addresses_pixelstore(st
, gl_target
, dims
== 3, unpack
, pixels
,
1318 /* Set up the surface */
1320 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1321 unsigned max_layer
= util_max_layer(texture
, level
);
1323 zoffset
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1325 struct pipe_surface templ
;
1326 memset(&templ
, 0, sizeof(templ
));
1327 templ
.format
= dst_format
;
1328 templ
.u
.tex
.level
= level
;
1329 templ
.u
.tex
.first_layer
= MIN2(zoffset
, max_layer
);
1330 templ
.u
.tex
.last_layer
= MIN2(zoffset
+ depth
- 1, max_layer
);
1332 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1337 success
= try_pbo_upload_common(ctx
, surface
, &addr
, src_format
);
1339 pipe_surface_reference(&surface
, NULL
);
1345 st_TexSubImage(struct gl_context
*ctx
, GLuint dims
,
1346 struct gl_texture_image
*texImage
,
1347 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1348 GLint width
, GLint height
, GLint depth
,
1349 GLenum format
, GLenum type
, const void *pixels
,
1350 const struct gl_pixelstore_attrib
*unpack
)
1352 struct st_context
*st
= st_context(ctx
);
1353 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1354 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1355 struct pipe_context
*pipe
= st
->pipe
;
1356 struct pipe_screen
*screen
= pipe
->screen
;
1357 struct pipe_resource
*dst
= stImage
->pt
;
1358 struct pipe_resource
*src
= NULL
;
1359 struct pipe_resource src_templ
;
1360 struct pipe_transfer
*transfer
;
1361 struct pipe_blit_info blit
;
1362 enum pipe_format src_format
, dst_format
;
1363 mesa_format mesa_src_format
;
1364 GLenum gl_target
= texImage
->TexObject
->Target
;
1367 unsigned dstz
= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1368 unsigned dst_level
= 0;
1370 st_flush_bitmap_cache(st
);
1371 st_invalidate_readpix_cache(st
);
1373 if (stObj
->pt
== stImage
->pt
)
1374 dst_level
= texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1376 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1377 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1382 /* Try texture_subdata, which should be the fastest memcpy path. */
1384 !_mesa_is_bufferobj(unpack
->BufferObj
) &&
1385 _mesa_texstore_can_use_memcpy(ctx
, texImage
->_BaseFormat
,
1386 texImage
->TexFormat
, format
, type
,
1388 struct pipe_box box
;
1389 unsigned stride
, layer_stride
;
1392 stride
= _mesa_image_row_stride(unpack
, width
, format
, type
);
1393 layer_stride
= _mesa_image_image_stride(unpack
, width
, height
, format
,
1395 data
= _mesa_image_address(dims
, unpack
, pixels
, width
, height
, format
,
1398 /* Convert to Gallium coordinates. */
1399 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1404 layer_stride
= stride
;
1407 u_box_3d(xoffset
, yoffset
, zoffset
+ dstz
, width
, height
, depth
, &box
);
1408 pipe
->texture_subdata(pipe
, dst
, dst_level
, 0,
1409 &box
, data
, stride
, layer_stride
);
1413 if (!st
->prefer_blit_based_texture_transfer
) {
1417 /* XXX Fallback for depth-stencil formats due to an incomplete stencil
1418 * blit implementation in some drivers. */
1419 if (format
== GL_DEPTH_STENCIL
) {
1423 /* If the base internal format and the texture format don't match,
1424 * we can't use blit-based TexSubImage. */
1425 if (texImage
->_BaseFormat
!=
1426 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1431 /* See if the destination format is supported. */
1432 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1433 bind
= PIPE_BIND_DEPTH_STENCIL
;
1435 bind
= PIPE_BIND_RENDER_TARGET
;
1437 /* For luminance and intensity, only the red channel is stored
1438 * in the destination. */
1439 dst_format
= util_format_linear(dst
->format
);
1440 dst_format
= util_format_luminance_to_red(dst_format
);
1441 dst_format
= util_format_intensity_to_red(dst_format
);
1444 !screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1445 dst
->nr_samples
, bind
)) {
1449 if (_mesa_is_bufferobj(unpack
->BufferObj
)) {
1450 if (try_pbo_upload(ctx
, dims
, texImage
, format
, type
, dst_format
,
1451 xoffset
, yoffset
, zoffset
,
1452 width
, height
, depth
, pixels
, unpack
))
1456 /* See if the texture format already matches the format and type,
1457 * in which case the memcpy-based fast path will likely be used and
1458 * we don't have to blit. */
1459 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1460 type
, unpack
->SwapBytes
, NULL
)) {
1464 /* Choose the source format. */
1465 src_format
= st_choose_matching_format(st
, PIPE_BIND_SAMPLER_VIEW
,
1466 format
, type
, unpack
->SwapBytes
);
1471 mesa_src_format
= st_pipe_format_to_mesa_format(src_format
);
1473 /* There is no reason to do this if we cannot use memcpy for the temporary
1474 * source texture at least. This also takes transfer ops into account,
1476 if (!_mesa_texstore_can_use_memcpy(ctx
,
1477 _mesa_get_format_base_format(mesa_src_format
),
1478 mesa_src_format
, format
, type
, unpack
)) {
1482 /* TexSubImage only sets a single cubemap face. */
1483 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
1484 gl_target
= GL_TEXTURE_2D
;
1486 /* TexSubImage can specify subsets of cube map array faces
1487 * so we need to upload via 2D array instead */
1488 if (gl_target
== GL_TEXTURE_CUBE_MAP_ARRAY
) {
1489 gl_target
= GL_TEXTURE_2D_ARRAY
;
1492 /* Initialize the source texture description. */
1493 memset(&src_templ
, 0, sizeof(src_templ
));
1494 src_templ
.target
= gl_target_to_pipe(gl_target
);
1495 src_templ
.format
= src_format
;
1496 src_templ
.bind
= PIPE_BIND_SAMPLER_VIEW
;
1497 src_templ
.usage
= PIPE_USAGE_STAGING
;
1499 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
1500 &src_templ
.width0
, &src_templ
.height0
,
1501 &src_templ
.depth0
, &src_templ
.array_size
);
1503 /* Check for NPOT texture support. */
1504 if (!screen
->get_param(screen
, PIPE_CAP_NPOT_TEXTURES
) &&
1505 (!util_is_power_of_two(src_templ
.width0
) ||
1506 !util_is_power_of_two(src_templ
.height0
) ||
1507 !util_is_power_of_two(src_templ
.depth0
))) {
1511 /* Create the source texture. */
1512 src
= screen
->resource_create(screen
, &src_templ
);
1517 /* Map source pixels. */
1518 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, depth
,
1519 format
, type
, pixels
, unpack
,
1522 /* This is a GL error. */
1523 pipe_resource_reference(&src
, NULL
);
1527 /* From now on, we need the gallium representation of dimensions. */
1528 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1535 map
= pipe_transfer_map_3d(pipe
, src
, 0, PIPE_TRANSFER_WRITE
, 0, 0, 0,
1536 width
, height
, depth
, &transfer
);
1538 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1539 pipe_resource_reference(&src
, NULL
);
1543 /* Upload pixels (just memcpy). */
1545 const uint bytesPerRow
= width
* util_format_get_blocksize(src_format
);
1548 for (slice
= 0; slice
< (unsigned) depth
; slice
++) {
1549 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1550 /* 1D array textures.
1551 * We need to convert gallium coords to GL coords.
1553 void *src
= _mesa_image_address2d(unpack
, pixels
,
1554 width
, depth
, format
,
1556 memcpy(map
, src
, bytesPerRow
);
1559 ubyte
*slice_map
= map
;
1561 for (row
= 0; row
< (unsigned) height
; row
++) {
1562 void *src
= _mesa_image_address(dims
, unpack
, pixels
,
1563 width
, height
, format
,
1564 type
, slice
, row
, 0);
1565 memcpy(slice_map
, src
, bytesPerRow
);
1566 slice_map
+= transfer
->stride
;
1569 map
+= transfer
->layer_stride
;
1573 pipe_transfer_unmap(pipe
, transfer
);
1574 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1577 memset(&blit
, 0, sizeof(blit
));
1578 blit
.src
.resource
= src
;
1580 blit
.src
.format
= src_format
;
1581 blit
.dst
.resource
= dst
;
1582 blit
.dst
.level
= dst_level
;
1583 blit
.dst
.format
= dst_format
;
1584 blit
.src
.box
.x
= blit
.src
.box
.y
= blit
.src
.box
.z
= 0;
1585 blit
.dst
.box
.x
= xoffset
;
1586 blit
.dst
.box
.y
= yoffset
;
1587 blit
.dst
.box
.z
= zoffset
+ dstz
;
1588 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
1589 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
1590 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
1591 blit
.mask
= st_get_blit_mask(format
, texImage
->_BaseFormat
);
1592 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1593 blit
.scissor_enable
= FALSE
;
1595 st
->pipe
->blit(st
->pipe
, &blit
);
1597 pipe_resource_reference(&src
, NULL
);
1601 _mesa_store_texsubimage(ctx
, dims
, texImage
, xoffset
, yoffset
, zoffset
,
1602 width
, height
, depth
, format
, type
, pixels
,
1607 st_TexImage(struct gl_context
* ctx
, GLuint dims
,
1608 struct gl_texture_image
*texImage
,
1609 GLenum format
, GLenum type
, const void *pixels
,
1610 const struct gl_pixelstore_attrib
*unpack
)
1612 assert(dims
== 1 || dims
== 2 || dims
== 3);
1614 prep_teximage(ctx
, texImage
, format
, type
);
1616 if (texImage
->Width
== 0 || texImage
->Height
== 0 || texImage
->Depth
== 0)
1619 /* allocate storage for texture data */
1620 if (!ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
)) {
1621 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
1625 st_TexSubImage(ctx
, dims
, texImage
, 0, 0, 0,
1626 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1627 format
, type
, pixels
, unpack
);
1632 st_CompressedTexSubImage(struct gl_context
*ctx
, GLuint dims
,
1633 struct gl_texture_image
*texImage
,
1634 GLint x
, GLint y
, GLint z
,
1635 GLsizei w
, GLsizei h
, GLsizei d
,
1636 GLenum format
, GLsizei imageSize
, const void *data
)
1638 struct st_context
*st
= st_context(ctx
);
1639 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1640 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1641 struct pipe_resource
*texture
= stImage
->pt
;
1642 struct pipe_context
*pipe
= st
->pipe
;
1643 struct pipe_screen
*screen
= pipe
->screen
;
1644 struct pipe_resource
*dst
= stImage
->pt
;
1645 struct pipe_surface
*surface
= NULL
;
1646 struct compressed_pixelstore store
;
1647 struct st_pbo_addresses addr
;
1648 enum pipe_format copy_format
;
1650 intptr_t buf_offset
;
1651 bool success
= false;
1653 /* Check basic pre-conditions for PBO upload */
1654 if (!st
->prefer_blit_based_texture_transfer
) {
1658 if (!_mesa_is_bufferobj(ctx
->Unpack
.BufferObj
))
1661 if (st_etc_fallback(st
, texImage
)) {
1662 /* ETC isn't supported and is represented by uncompressed formats. */
1670 if (!st
->pbo
.upload_enabled
||
1671 !screen
->get_param(screen
, PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
)) {
1675 /* Choose the pipe format for the upload. */
1676 addr
.bytes_per_pixel
= util_format_get_blocksize(dst
->format
);
1677 bw
= util_format_get_blockwidth(dst
->format
);
1678 bh
= util_format_get_blockheight(dst
->format
);
1680 switch (addr
.bytes_per_pixel
) {
1682 copy_format
= PIPE_FORMAT_R16G16B16A16_UINT
;
1685 copy_format
= PIPE_FORMAT_R32G32B32A32_UINT
;
1691 if (!screen
->is_format_supported(screen
, copy_format
, PIPE_BUFFER
, 0,
1692 PIPE_BIND_SAMPLER_VIEW
)) {
1696 if (!screen
->is_format_supported(screen
, copy_format
, dst
->target
,
1697 dst
->nr_samples
, PIPE_BIND_RENDER_TARGET
)) {
1701 /* Interpret the pixelstore settings. */
1702 _mesa_compute_compressed_pixelstore(dims
, texImage
->TexFormat
, w
, h
, d
,
1703 &ctx
->Unpack
, &store
);
1704 assert(store
.CopyBytesPerRow
% addr
.bytes_per_pixel
== 0);
1705 assert(store
.SkipBytes
% addr
.bytes_per_pixel
== 0);
1707 /* Compute the offset into the buffer */
1708 buf_offset
= (intptr_t)data
+ store
.SkipBytes
;
1710 if (buf_offset
% addr
.bytes_per_pixel
) {
1714 buf_offset
= buf_offset
/ addr
.bytes_per_pixel
;
1716 addr
.xoffset
= x
/ bw
;
1717 addr
.yoffset
= y
/ bh
;
1718 addr
.width
= store
.CopyBytesPerRow
/ addr
.bytes_per_pixel
;
1719 addr
.height
= store
.CopyRowsPerSlice
;
1721 addr
.pixels_per_row
= store
.TotalBytesPerRow
/ addr
.bytes_per_pixel
;
1722 addr
.image_height
= store
.TotalRowsPerSlice
;
1724 if (!st_pbo_addresses_setup(st
, st_buffer_object(ctx
->Unpack
.BufferObj
)->buffer
,
1728 /* Set up the surface. */
1730 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1731 unsigned max_layer
= util_max_layer(texture
, level
);
1733 z
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1735 struct pipe_surface templ
;
1736 memset(&templ
, 0, sizeof(templ
));
1737 templ
.format
= copy_format
;
1738 templ
.u
.tex
.level
= level
;
1739 templ
.u
.tex
.first_layer
= MIN2(z
, max_layer
);
1740 templ
.u
.tex
.last_layer
= MIN2(z
+ d
- 1, max_layer
);
1742 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1747 success
= try_pbo_upload_common(ctx
, surface
, &addr
, copy_format
);
1749 pipe_surface_reference(&surface
, NULL
);
1755 _mesa_store_compressed_texsubimage(ctx
, dims
, texImage
,
1757 format
, imageSize
, data
);
1761 st_CompressedTexImage(struct gl_context
*ctx
, GLuint dims
,
1762 struct gl_texture_image
*texImage
,
1763 GLsizei imageSize
, const void *data
)
1765 prep_teximage(ctx
, texImage
, GL_NONE
, GL_NONE
);
1767 /* only 2D and 3D compressed images are supported at this time */
1769 _mesa_problem(ctx
, "Unexpected glCompressedTexImage1D call");
1773 /* This is pretty simple, because unlike the general texstore path we don't
1774 * have to worry about the usual image unpacking or image transfer
1778 assert(texImage
->Width
> 0);
1779 assert(texImage
->Height
> 0);
1780 assert(texImage
->Depth
> 0);
1782 /* allocate storage for texture data */
1783 if (!st_AllocTextureImageBuffer(ctx
, texImage
)) {
1784 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage%uD", dims
);
1788 st_CompressedTexSubImage(ctx
, dims
, texImage
,
1790 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1791 texImage
->TexFormat
,
1799 * Called via ctx->Driver.GetTexSubImage()
1801 * This uses a blit to copy the texture to a texture format which matches
1802 * the format and type combo and then a fast read-back is done using memcpy.
1803 * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
1804 * a format which matches the swizzling.
1806 * If such a format isn't available, it falls back to _mesa_GetTexImage_sw.
1808 * NOTE: Drivers usually do a blit to convert between tiled and linear
1809 * texture layouts during texture uploads/downloads, so the blit
1810 * we do here should be free in such cases.
1813 st_GetTexSubImage(struct gl_context
* ctx
,
1814 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1815 GLsizei width
, GLsizei height
, GLint depth
,
1816 GLenum format
, GLenum type
, void * pixels
,
1817 struct gl_texture_image
*texImage
)
1819 struct st_context
*st
= st_context(ctx
);
1820 struct pipe_context
*pipe
= st
->pipe
;
1821 struct pipe_screen
*screen
= pipe
->screen
;
1822 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1823 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1824 struct pipe_resource
*src
= stObj
->pt
;
1825 struct pipe_resource
*dst
= NULL
;
1826 struct pipe_resource dst_templ
;
1827 enum pipe_format dst_format
, src_format
;
1828 mesa_format mesa_format
;
1829 GLenum gl_target
= texImage
->TexObject
->Target
;
1830 enum pipe_texture_target pipe_target
;
1831 struct pipe_blit_info blit
;
1833 struct pipe_transfer
*tex_xfer
;
1835 boolean done
= FALSE
;
1837 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1838 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1840 st_flush_bitmap_cache(st
);
1842 if (!st
->prefer_blit_based_texture_transfer
&&
1843 !_mesa_is_format_compressed(texImage
->TexFormat
)) {
1844 /* Try to avoid the fallback if we're doing texture decompression here */
1848 /* Handle non-finalized textures. */
1849 if (!stImage
->pt
|| stImage
->pt
!= stObj
->pt
|| !src
) {
1853 /* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
1854 * due to an incomplete stencil blit implementation in some drivers. */
1855 if (format
== GL_DEPTH_STENCIL
|| format
== GL_STENCIL_INDEX
) {
1859 /* If the base internal format and the texture format don't match, we have
1860 * to fall back to _mesa_GetTexImage_sw. */
1861 if (texImage
->_BaseFormat
!=
1862 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1866 /* See if the texture format already matches the format and type,
1867 * in which case the memcpy-based fast path will be used. */
1868 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1869 type
, ctx
->Pack
.SwapBytes
, NULL
)) {
1873 /* Convert the source format to what is expected by GetTexImage
1874 * and see if it's supported.
1876 * This only applies to glGetTexImage:
1877 * - Luminance must be returned as (L,0,0,1).
1878 * - Luminance alpha must be returned as (L,0,0,A).
1879 * - Intensity must be returned as (I,0,0,1)
1881 if (stObj
->surface_based
)
1882 src_format
= util_format_linear(stObj
->surface_format
);
1884 src_format
= util_format_linear(src
->format
);
1885 src_format
= util_format_luminance_to_red(src_format
);
1886 src_format
= util_format_intensity_to_red(src_format
);
1889 !screen
->is_format_supported(screen
, src_format
, src
->target
,
1891 PIPE_BIND_SAMPLER_VIEW
)) {
1895 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1896 bind
= PIPE_BIND_DEPTH_STENCIL
;
1898 bind
= PIPE_BIND_RENDER_TARGET
;
1900 /* GetTexImage only returns a single face for cubemaps. */
1901 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
1902 gl_target
= GL_TEXTURE_2D
;
1904 pipe_target
= gl_target_to_pipe(gl_target
);
1906 /* Choose the destination format by finding the best match
1907 * for the format+type combo. */
1908 dst_format
= st_choose_matching_format(st
, bind
, format
, type
,
1909 ctx
->Pack
.SwapBytes
);
1911 if (dst_format
== PIPE_FORMAT_NONE
) {
1912 GLenum dst_glformat
;
1914 /* Fall back to _mesa_GetTexImage_sw except for compressed formats,
1915 * where decompression with a blit is always preferred. */
1916 if (!util_format_is_compressed(src
->format
)) {
1920 /* Set the appropriate format for the decompressed texture.
1921 * Luminance and sRGB formats shouldn't appear here.*/
1922 switch (src_format
) {
1923 case PIPE_FORMAT_DXT1_RGB
:
1924 case PIPE_FORMAT_DXT1_RGBA
:
1925 case PIPE_FORMAT_DXT3_RGBA
:
1926 case PIPE_FORMAT_DXT5_RGBA
:
1927 case PIPE_FORMAT_RGTC1_UNORM
:
1928 case PIPE_FORMAT_RGTC2_UNORM
:
1929 case PIPE_FORMAT_ETC1_RGB8
:
1930 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
1931 dst_glformat
= GL_RGBA8
;
1933 case PIPE_FORMAT_RGTC1_SNORM
:
1934 case PIPE_FORMAT_RGTC2_SNORM
:
1935 if (!ctx
->Extensions
.EXT_texture_snorm
)
1937 dst_glformat
= GL_RGBA8_SNORM
;
1939 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
1940 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
1941 if (!ctx
->Extensions
.ARB_texture_float
)
1943 dst_glformat
= GL_RGBA32F
;
1950 dst_format
= st_choose_format(st
, dst_glformat
, format
, type
,
1951 pipe_target
, 0, bind
, FALSE
);
1953 if (dst_format
== PIPE_FORMAT_NONE
) {
1954 /* unable to get an rgba format!?! */
1959 /* create the destination texture of size (width X height X depth) */
1960 memset(&dst_templ
, 0, sizeof(dst_templ
));
1961 dst_templ
.target
= pipe_target
;
1962 dst_templ
.format
= dst_format
;
1963 dst_templ
.bind
= bind
;
1964 dst_templ
.usage
= PIPE_USAGE_STAGING
;
1966 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
1967 &dst_templ
.width0
, &dst_templ
.height0
,
1968 &dst_templ
.depth0
, &dst_templ
.array_size
);
1970 dst
= screen
->resource_create(screen
, &dst_templ
);
1975 /* From now on, we need the gallium representation of dimensions. */
1976 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1983 assert(texImage
->Face
== 0 ||
1984 texImage
->TexObject
->MinLayer
== 0 ||
1987 memset(&blit
, 0, sizeof(blit
));
1988 blit
.src
.resource
= src
;
1989 blit
.src
.level
= texImage
->Level
+ texImage
->TexObject
->MinLevel
;
1990 blit
.src
.format
= src_format
;
1991 blit
.dst
.resource
= dst
;
1993 blit
.dst
.format
= dst
->format
;
1994 blit
.src
.box
.x
= xoffset
;
1996 blit
.src
.box
.y
= yoffset
;
1998 blit
.src
.box
.z
= texImage
->Face
+ texImage
->TexObject
->MinLayer
+ zoffset
;
2000 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
2001 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
2002 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
2003 blit
.mask
= st_get_blit_mask(texImage
->_BaseFormat
, format
);
2004 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2005 blit
.scissor_enable
= FALSE
;
2007 /* blit/render/decompress */
2008 st
->pipe
->blit(st
->pipe
, &blit
);
2010 pixels
= _mesa_map_pbo_dest(ctx
, &ctx
->Pack
, pixels
);
2012 map
= pipe_transfer_map_3d(pipe
, dst
, 0, PIPE_TRANSFER_READ
,
2013 0, 0, 0, width
, height
, depth
, &tex_xfer
);
2018 mesa_format
= st_pipe_format_to_mesa_format(dst_format
);
2020 /* copy/pack data into user buffer */
2021 if (_mesa_format_matches_format_and_type(mesa_format
, format
, type
,
2022 ctx
->Pack
.SwapBytes
, NULL
)) {
2024 const uint bytesPerRow
= width
* util_format_get_blocksize(dst_format
);
2027 for (slice
= 0; slice
< depth
; slice
++) {
2028 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2029 /* 1D array textures.
2030 * We need to convert gallium coords to GL coords.
2032 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2033 width
, depth
, format
,
2035 memcpy(dest
, map
, bytesPerRow
);
2038 ubyte
*slice_map
= map
;
2040 for (row
= 0; row
< height
; row
++) {
2041 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2042 width
, height
, format
,
2043 type
, slice
, row
, 0);
2044 memcpy(dest
, slice_map
, bytesPerRow
);
2045 slice_map
+= tex_xfer
->stride
;
2048 map
+= tex_xfer
->layer_stride
;
2052 /* format translation via floats */
2055 uint32_t dstMesaFormat
;
2056 int dstStride
, srcStride
;
2058 assert(util_format_is_compressed(src
->format
));
2060 rgba
= malloc(width
* 4 * sizeof(GLfloat
));
2065 if (ST_DEBUG
& DEBUG_FALLBACK
)
2066 debug_printf("%s: fallback format translation\n", __func__
);
2068 dstMesaFormat
= _mesa_format_from_format_and_type(format
, type
);
2069 dstStride
= _mesa_image_row_stride(&ctx
->Pack
, width
, format
, type
);
2070 srcStride
= 4 * width
* sizeof(GLfloat
);
2071 for (slice
= 0; slice
< depth
; slice
++) {
2072 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2073 /* 1D array textures.
2074 * We need to convert gallium coords to GL coords.
2076 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2077 width
, depth
, format
,
2080 /* get float[4] rgba row from surface */
2081 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, 0, width
, 1,
2084 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2085 rgba
, RGBA32_FLOAT
, srcStride
,
2089 for (row
= 0; row
< height
; row
++) {
2090 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2091 width
, height
, format
,
2092 type
, slice
, row
, 0);
2094 /* get float[4] rgba row from surface */
2095 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, row
, width
, 1,
2098 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2099 rgba
, RGBA32_FLOAT
, srcStride
,
2103 map
+= tex_xfer
->layer_stride
;
2112 pipe_transfer_unmap(pipe
, tex_xfer
);
2114 _mesa_unmap_pbo_dest(ctx
, &ctx
->Pack
);
2115 pipe_resource_reference(&dst
, NULL
);
2119 _mesa_GetTexSubImage_sw(ctx
, xoffset
, yoffset
, zoffset
,
2120 width
, height
, depth
,
2121 format
, type
, pixels
, texImage
);
2127 * Do a CopyTexSubImage operation using a read transfer from the source,
2128 * a write transfer to the destination and get_tile()/put_tile() to access
2129 * the pixels/texels.
2131 * Note: srcY=0=TOP of renderbuffer
2134 fallback_copy_texsubimage(struct gl_context
*ctx
,
2135 struct st_renderbuffer
*strb
,
2136 struct st_texture_image
*stImage
,
2138 GLint destX
, GLint destY
, GLint slice
,
2139 GLint srcX
, GLint srcY
,
2140 GLsizei width
, GLsizei height
)
2142 struct st_context
*st
= st_context(ctx
);
2143 struct pipe_context
*pipe
= st
->pipe
;
2144 struct pipe_transfer
*src_trans
;
2146 enum pipe_transfer_usage transfer_usage
;
2148 unsigned dst_width
= width
;
2149 unsigned dst_height
= height
;
2150 unsigned dst_depth
= 1;
2151 struct pipe_transfer
*transfer
;
2153 if (ST_DEBUG
& DEBUG_FALLBACK
)
2154 debug_printf("%s: fallback processing\n", __func__
);
2156 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2157 srcY
= strb
->Base
.Height
- srcY
- height
;
2160 map
= pipe_transfer_map(pipe
,
2162 strb
->surface
->u
.tex
.level
,
2163 strb
->surface
->u
.tex
.first_layer
,
2166 width
, height
, &src_trans
);
2168 if ((baseFormat
== GL_DEPTH_COMPONENT
||
2169 baseFormat
== GL_DEPTH_STENCIL
) &&
2170 util_format_is_depth_and_stencil(stImage
->pt
->format
))
2171 transfer_usage
= PIPE_TRANSFER_READ_WRITE
;
2173 transfer_usage
= PIPE_TRANSFER_WRITE
;
2175 texDest
= st_texture_image_map(st
, stImage
, transfer_usage
,
2176 destX
, destY
, slice
,
2177 dst_width
, dst_height
, dst_depth
,
2180 if (baseFormat
== GL_DEPTH_COMPONENT
||
2181 baseFormat
== GL_DEPTH_STENCIL
) {
2182 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
2183 ctx
->Pixel
.DepthBias
!= 0.0F
);
2187 /* determine bottom-to-top vs. top-to-bottom order for src buffer */
2188 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2197 data
= malloc(width
* sizeof(uint
));
2200 /* To avoid a large temp memory allocation, do copy row by row */
2201 for (row
= 0; row
< height
; row
++, srcY
+= yStep
) {
2202 pipe_get_tile_z(src_trans
, map
, 0, srcY
, width
, 1, data
);
2204 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
2207 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2208 pipe_put_tile_z(transfer
, texDest
+ row
*transfer
->layer_stride
,
2209 0, 0, width
, 1, data
);
2212 pipe_put_tile_z(transfer
, texDest
, 0, row
, width
, 1, data
);
2217 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexSubImage()");
2225 malloc(width
* height
* 4 * sizeof(GLfloat
));
2227 if (tempSrc
&& texDest
) {
2228 const GLint dims
= 2;
2230 struct gl_texture_image
*texImage
= &stImage
->base
;
2231 struct gl_pixelstore_attrib unpack
= ctx
->DefaultPacking
;
2233 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2234 unpack
.Invert
= GL_TRUE
;
2237 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2238 dstRowStride
= transfer
->layer_stride
;
2241 dstRowStride
= transfer
->stride
;
2244 /* get float/RGBA image from framebuffer */
2245 /* XXX this usually involves a lot of int/float conversion.
2246 * try to avoid that someday.
2248 pipe_get_tile_rgba_format(src_trans
, map
, 0, 0, width
, height
,
2249 util_format_linear(strb
->texture
->format
),
2252 /* Store into texture memory.
2253 * Note that this does some special things such as pixel transfer
2254 * ops and format conversion. In particular, if the dest tex format
2255 * is actually RGBA but the user created the texture as GL_RGB we
2256 * need to fill-in/override the alpha channel with 1.0.
2258 _mesa_texstore(ctx
, dims
,
2259 texImage
->_BaseFormat
,
2260 texImage
->TexFormat
,
2264 GL_RGBA
, GL_FLOAT
, tempSrc
, /* src */
2268 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
2274 st_texture_image_unmap(st
, stImage
, slice
);
2275 pipe
->transfer_unmap(pipe
, src_trans
);
2280 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
2281 * Note that the region to copy has already been clipped so we know we
2282 * won't read from outside the source renderbuffer's bounds.
2284 * Note: srcY=0=Bottom of renderbuffer (GL convention)
2287 st_CopyTexSubImage(struct gl_context
*ctx
, GLuint dims
,
2288 struct gl_texture_image
*texImage
,
2289 GLint destX
, GLint destY
, GLint slice
,
2290 struct gl_renderbuffer
*rb
,
2291 GLint srcX
, GLint srcY
, GLsizei width
, GLsizei height
)
2293 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2294 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
2295 struct st_renderbuffer
*strb
= st_renderbuffer(rb
);
2296 struct st_context
*st
= st_context(ctx
);
2297 struct pipe_context
*pipe
= st
->pipe
;
2298 struct pipe_screen
*screen
= pipe
->screen
;
2299 struct pipe_blit_info blit
;
2300 enum pipe_format dst_format
;
2301 GLboolean do_flip
= (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
);
2305 st_flush_bitmap_cache(st
);
2306 st_invalidate_readpix_cache(st
);
2308 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
2309 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
2311 if (!strb
|| !strb
->surface
|| !stImage
->pt
) {
2312 debug_printf("%s: null strb or stImage\n", __func__
);
2316 if (_mesa_texstore_needs_transfer_ops(ctx
, texImage
->_BaseFormat
,
2317 texImage
->TexFormat
)) {
2321 /* The base internal format must match the mesa format, so make sure
2322 * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
2324 if (texImage
->_BaseFormat
!=
2325 _mesa_get_format_base_format(texImage
->TexFormat
) ||
2326 rb
->_BaseFormat
!= _mesa_get_format_base_format(rb
->Format
)) {
2330 /* Choose the destination format to match the TexImage behavior. */
2331 dst_format
= util_format_linear(stImage
->pt
->format
);
2332 dst_format
= util_format_luminance_to_red(dst_format
);
2333 dst_format
= util_format_intensity_to_red(dst_format
);
2335 /* See if the destination format is supported. */
2336 if (texImage
->_BaseFormat
== GL_DEPTH_STENCIL
||
2337 texImage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2338 bind
= PIPE_BIND_DEPTH_STENCIL
;
2341 bind
= PIPE_BIND_RENDER_TARGET
;
2345 !screen
->is_format_supported(screen
, dst_format
, stImage
->pt
->target
,
2346 stImage
->pt
->nr_samples
, bind
)) {
2350 /* Y flipping for the main framebuffer. */
2352 srcY1
= strb
->Base
.Height
- srcY
- height
;
2353 srcY0
= srcY1
+ height
;
2357 srcY1
= srcY0
+ height
;
2360 /* Blit the texture.
2361 * This supports flipping, format conversions, and downsampling.
2363 memset(&blit
, 0, sizeof(blit
));
2364 blit
.src
.resource
= strb
->texture
;
2365 blit
.src
.format
= util_format_linear(strb
->surface
->format
);
2366 blit
.src
.level
= strb
->surface
->u
.tex
.level
;
2367 blit
.src
.box
.x
= srcX
;
2368 blit
.src
.box
.y
= srcY0
;
2369 blit
.src
.box
.z
= strb
->surface
->u
.tex
.first_layer
;
2370 blit
.src
.box
.width
= width
;
2371 blit
.src
.box
.height
= srcY1
- srcY0
;
2372 blit
.src
.box
.depth
= 1;
2373 blit
.dst
.resource
= stImage
->pt
;
2374 blit
.dst
.format
= dst_format
;
2375 blit
.dst
.level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2376 blit
.dst
.box
.x
= destX
;
2377 blit
.dst
.box
.y
= destY
;
2378 blit
.dst
.box
.z
= stImage
->base
.Face
+ slice
+ texImage
->TexObject
->MinLayer
;
2379 blit
.dst
.box
.width
= width
;
2380 blit
.dst
.box
.height
= height
;
2381 blit
.dst
.box
.depth
= 1;
2382 blit
.mask
= st_get_blit_mask(rb
->_BaseFormat
, texImage
->_BaseFormat
);
2383 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2384 pipe
->blit(pipe
, &blit
);
2388 /* software fallback */
2389 fallback_copy_texsubimage(ctx
,
2390 strb
, stImage
, texImage
->_BaseFormat
,
2391 destX
, destY
, slice
,
2392 srcX
, srcY
, width
, height
);
2397 * Copy image data from stImage into the texture object 'stObj' at level
2401 copy_image_data_to_texture(struct st_context
*st
,
2402 struct st_texture_object
*stObj
,
2404 struct st_texture_image
*stImage
)
2408 const struct gl_texture_image
*dstImage
=
2409 stObj
->base
.Image
[stImage
->base
.Face
][dstLevel
];
2411 assert(dstImage
->Width
== stImage
->base
.Width
);
2412 assert(dstImage
->Height
== stImage
->base
.Height
);
2413 assert(dstImage
->Depth
== stImage
->base
.Depth
);
2417 /* Copy potentially with the blitter:
2420 if (stImage
->pt
->last_level
== 0)
2423 src_level
= stImage
->base
.Level
;
2425 assert(src_level
<= stImage
->pt
->last_level
);
2426 assert(u_minify(stImage
->pt
->width0
, src_level
) == stImage
->base
.Width
);
2427 assert(stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
||
2428 u_minify(stImage
->pt
->height0
, src_level
) == stImage
->base
.Height
);
2429 assert(stImage
->pt
->target
== PIPE_TEXTURE_2D_ARRAY
||
2430 stImage
->pt
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
2431 u_minify(stImage
->pt
->depth0
, src_level
) == stImage
->base
.Depth
);
2433 st_texture_image_copy(st
->pipe
,
2434 stObj
->pt
, dstLevel
, /* dest texture, level */
2435 stImage
->pt
, src_level
, /* src texture, level */
2436 stImage
->base
.Face
);
2438 pipe_resource_reference(&stImage
->pt
, NULL
);
2440 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2445 * Called during state validation. When this function is finished,
2446 * the texture object should be ready for rendering.
2447 * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
2450 st_finalize_texture(struct gl_context
*ctx
,
2451 struct pipe_context
*pipe
,
2452 struct gl_texture_object
*tObj
)
2454 struct st_context
*st
= st_context(ctx
);
2455 struct st_texture_object
*stObj
= st_texture_object(tObj
);
2456 const GLuint nr_faces
= _mesa_num_tex_faces(stObj
->base
.Target
);
2458 const struct st_texture_image
*firstImage
;
2459 enum pipe_format firstImageFormat
;
2460 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, ptNumSamples
;
2462 if (tObj
->Immutable
)
2465 if (_mesa_is_texture_complete(tObj
, &tObj
->Sampler
)) {
2466 /* The texture is complete and we know exactly how many mipmap levels
2467 * are present/needed. This is conditional because we may be called
2468 * from the st_generate_mipmap() function when the texture object is
2469 * incomplete. In that case, we'll have set stObj->lastLevel before
2472 if (stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
||
2473 stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
)
2474 stObj
->lastLevel
= stObj
->base
.BaseLevel
;
2476 stObj
->lastLevel
= stObj
->base
._MaxLevel
;
2479 if (tObj
->Target
== GL_TEXTURE_BUFFER
) {
2480 struct st_buffer_object
*st_obj
= st_buffer_object(tObj
->BufferObject
);
2483 pipe_resource_reference(&stObj
->pt
, NULL
);
2484 st_texture_release_all_sampler_views(st
, stObj
);
2488 if (st_obj
->buffer
!= stObj
->pt
) {
2489 pipe_resource_reference(&stObj
->pt
, st_obj
->buffer
);
2490 st_texture_release_all_sampler_views(st
, stObj
);
2496 firstImage
= st_texture_image_const(_mesa_base_tex_image(&stObj
->base
));
2499 /* If both firstImage and stObj point to a texture which can contain
2500 * all active images, favour firstImage. Note that because of the
2501 * completeness requirement, we know that the image dimensions
2504 if (firstImage
->pt
&&
2505 firstImage
->pt
!= stObj
->pt
&&
2506 (!stObj
->pt
|| firstImage
->pt
->last_level
>= stObj
->pt
->last_level
)) {
2507 pipe_resource_reference(&stObj
->pt
, firstImage
->pt
);
2508 st_texture_release_all_sampler_views(st
, stObj
);
2511 /* If this texture comes from a window system, there is nothing else to do. */
2512 if (stObj
->surface_based
) {
2516 /* Find gallium format for the Mesa texture */
2518 st_mesa_format_to_pipe_format(st
, firstImage
->base
.TexFormat
);
2520 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */
2522 GLuint width
, height
, depth
;
2524 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
2525 firstImage
->base
.Width2
,
2526 firstImage
->base
.Height2
,
2527 firstImage
->base
.Depth2
,
2528 &width
, &height
, &depth
, &ptLayers
);
2530 /* If we previously allocated a pipe texture and its sizes are
2531 * compatible, use them.
2534 u_minify(stObj
->pt
->width0
, firstImage
->base
.Level
) == width
&&
2535 u_minify(stObj
->pt
->height0
, firstImage
->base
.Level
) == height
&&
2536 u_minify(stObj
->pt
->depth0
, firstImage
->base
.Level
) == depth
) {
2537 ptWidth
= stObj
->pt
->width0
;
2538 ptHeight
= stObj
->pt
->height0
;
2539 ptDepth
= stObj
->pt
->depth0
;
2541 /* Otherwise, compute a new level=0 size that is compatible with the
2544 ptWidth
= width
> 1 ? width
<< firstImage
->base
.Level
: 1;
2545 ptHeight
= height
> 1 ? height
<< firstImage
->base
.Level
: 1;
2546 ptDepth
= depth
> 1 ? depth
<< firstImage
->base
.Level
: 1;
2548 /* If the base level image is 1x1x1, we still need to ensure that the
2549 * resulting pipe texture ends up with the required number of levels
2552 if (ptWidth
== 1 && ptHeight
== 1 && ptDepth
== 1) {
2553 ptWidth
<<= firstImage
->base
.Level
;
2555 if (stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
||
2556 stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP_ARRAY
)
2561 ptNumSamples
= firstImage
->base
.NumSamples
;
2564 /* If we already have a gallium texture, check that it matches the texture
2565 * object's format, target, size, num_levels, etc.
2568 if (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
2569 stObj
->pt
->format
!= firstImageFormat
||
2570 stObj
->pt
->last_level
< stObj
->lastLevel
||
2571 stObj
->pt
->width0
!= ptWidth
||
2572 stObj
->pt
->height0
!= ptHeight
||
2573 stObj
->pt
->depth0
!= ptDepth
||
2574 stObj
->pt
->nr_samples
!= ptNumSamples
||
2575 stObj
->pt
->array_size
!= ptLayers
)
2577 /* The gallium texture does not match the Mesa texture so delete the
2578 * gallium texture now. We'll make a new one below.
2580 pipe_resource_reference(&stObj
->pt
, NULL
);
2581 st_texture_release_all_sampler_views(st
, stObj
);
2582 st
->dirty
|= ST_NEW_FRAMEBUFFER
;
2586 /* May need to create a new gallium texture:
2589 GLuint bindings
= default_bindings(st
, firstImageFormat
);
2591 stObj
->pt
= st_texture_create(st
,
2592 gl_target_to_pipe(stObj
->base
.Target
),
2598 ptLayers
, ptNumSamples
,
2602 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
2607 /* Pull in any images not in the object's texture:
2609 for (face
= 0; face
< nr_faces
; face
++) {
2611 for (level
= stObj
->base
.BaseLevel
; level
<= stObj
->lastLevel
; level
++) {
2612 struct st_texture_image
*stImage
=
2613 st_texture_image(stObj
->base
.Image
[face
][level
]);
2615 /* Need to import images in main memory or held in other textures.
2617 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
2621 if (stObj
->base
.Target
!= GL_TEXTURE_1D_ARRAY
)
2622 height
= u_minify(ptHeight
, level
);
2626 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
2627 depth
= u_minify(ptDepth
, level
);
2628 else if (stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
)
2634 (stImage
->base
.Width
== u_minify(ptWidth
, level
) &&
2635 stImage
->base
.Height
== height
&&
2636 stImage
->base
.Depth
== depth
)) {
2637 /* src image fits expected dest mipmap level size */
2638 copy_image_data_to_texture(st
, stObj
, level
, stImage
);
2649 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
2650 * for a whole mipmap stack.
2653 st_AllocTextureStorage(struct gl_context
*ctx
,
2654 struct gl_texture_object
*texObj
,
2655 GLsizei levels
, GLsizei width
,
2656 GLsizei height
, GLsizei depth
)
2658 const GLuint numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2659 struct gl_texture_image
*texImage
= texObj
->Image
[0][0];
2660 struct st_context
*st
= st_context(ctx
);
2661 struct st_texture_object
*stObj
= st_texture_object(texObj
);
2662 struct pipe_screen
*screen
= st
->pipe
->screen
;
2663 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, bindings
;
2664 enum pipe_format fmt
;
2666 GLuint num_samples
= texImage
->NumSamples
;
2670 stObj
->lastLevel
= levels
- 1;
2672 fmt
= st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
2674 bindings
= default_bindings(st
, fmt
);
2676 /* Raise the sample count if the requested one is unsupported. */
2677 if (num_samples
> 1) {
2678 boolean found
= FALSE
;
2680 for (; num_samples
<= ctx
->Const
.MaxSamples
; num_samples
++) {
2681 if (screen
->is_format_supported(screen
, fmt
, PIPE_TEXTURE_2D
,
2683 PIPE_BIND_SAMPLER_VIEW
)) {
2684 /* Update the sample count in gl_texture_image as well. */
2685 texImage
->NumSamples
= num_samples
;
2696 st_gl_texture_dims_to_pipe_dims(texObj
->Target
,
2697 width
, height
, depth
,
2698 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2700 stObj
->pt
= st_texture_create(st
,
2701 gl_target_to_pipe(texObj
->Target
),
2707 ptLayers
, num_samples
,
2712 /* Set image resource pointers */
2713 for (level
= 0; level
< levels
; level
++) {
2715 for (face
= 0; face
< numFaces
; face
++) {
2716 struct st_texture_image
*stImage
=
2717 st_texture_image(texObj
->Image
[face
][level
]);
2718 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2720 etc_fallback_allocate(st
, stImage
);
2729 st_TestProxyTexImage(struct gl_context
*ctx
, GLenum target
,
2730 GLuint numLevels
, GLint level
,
2731 mesa_format format
, GLuint numSamples
,
2732 GLint width
, GLint height
, GLint depth
)
2734 struct st_context
*st
= st_context(ctx
);
2735 struct pipe_context
*pipe
= st
->pipe
;
2737 if (width
== 0 || height
== 0 || depth
== 0) {
2738 /* zero-sized images are legal, and always fit! */
2742 if (pipe
->screen
->can_create_resource
) {
2743 /* Ask the gallium driver if the texture is too large */
2744 struct gl_texture_object
*texObj
=
2745 _mesa_get_current_tex_object(ctx
, target
);
2746 struct pipe_resource pt
;
2748 /* Setup the pipe_resource object
2750 memset(&pt
, 0, sizeof(pt
));
2752 pt
.target
= gl_target_to_pipe(target
);
2753 pt
.format
= st_mesa_format_to_pipe_format(st
, format
);
2754 pt
.nr_samples
= numSamples
;
2756 st_gl_texture_dims_to_pipe_dims(target
,
2757 width
, height
, depth
,
2758 &pt
.width0
, &pt
.height0
,
2759 &pt
.depth0
, &pt
.array_size
);
2761 if (numLevels
> 0) {
2762 /* For immutable textures we know the final number of mip levels */
2763 pt
.last_level
= numLevels
- 1;
2765 else if (level
== 0 && (texObj
->Sampler
.MinFilter
== GL_LINEAR
||
2766 texObj
->Sampler
.MinFilter
== GL_NEAREST
)) {
2767 /* assume just one mipmap level */
2771 /* assume a full set of mipmaps */
2772 pt
.last_level
= _mesa_logbase2(MAX3(width
, height
, depth
));
2775 return pipe
->screen
->can_create_resource(pipe
->screen
, &pt
);
2778 /* Use core Mesa fallback */
2779 return _mesa_test_proxy_teximage(ctx
, target
, numLevels
, level
, format
,
2780 numSamples
, width
, height
, depth
);
2785 st_TextureView(struct gl_context
*ctx
,
2786 struct gl_texture_object
*texObj
,
2787 struct gl_texture_object
*origTexObj
)
2789 struct st_context
*st
= st_context(ctx
);
2790 struct st_texture_object
*orig
= st_texture_object(origTexObj
);
2791 struct st_texture_object
*tex
= st_texture_object(texObj
);
2792 struct gl_texture_image
*image
= texObj
->Image
[0][0];
2794 const int numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2795 const int numLevels
= texObj
->NumLevels
;
2800 pipe_resource_reference(&tex
->pt
, orig
->pt
);
2802 /* Set image resource pointers */
2803 for (level
= 0; level
< numLevels
; level
++) {
2804 for (face
= 0; face
< numFaces
; face
++) {
2805 struct st_texture_image
*stImage
=
2806 st_texture_image(texObj
->Image
[face
][level
]);
2807 pipe_resource_reference(&stImage
->pt
, tex
->pt
);
2811 tex
->surface_based
= GL_TRUE
;
2812 tex
->surface_format
=
2813 st_mesa_format_to_pipe_format(st_context(ctx
), image
->TexFormat
);
2815 tex
->lastLevel
= numLevels
- 1;
2817 /* free texture sampler views. They need to be recreated when we
2818 * change the texture view parameters.
2820 st_texture_release_all_sampler_views(st
, tex
);
2826 st_ClearTexSubImage(struct gl_context
*ctx
,
2827 struct gl_texture_image
*texImage
,
2828 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2829 GLsizei width
, GLsizei height
, GLsizei depth
,
2830 const void *clearValue
)
2832 static const char zeros
[16] = {0};
2833 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2834 struct pipe_resource
*pt
= stImage
->pt
;
2835 struct st_context
*st
= st_context(ctx
);
2836 struct pipe_context
*pipe
= st
->pipe
;
2837 unsigned level
= texImage
->Level
;
2838 struct pipe_box box
;
2843 st_flush_bitmap_cache(st
);
2844 st_invalidate_readpix_cache(st
);
2846 u_box_3d(xoffset
, yoffset
, zoffset
+ texImage
->Face
,
2847 width
, height
, depth
, &box
);
2848 if (texImage
->TexObject
->Immutable
) {
2849 level
+= texImage
->TexObject
->MinLevel
;
2850 box
.z
+= texImage
->TexObject
->MinLayer
;
2853 pipe
->clear_texture(pipe
, pt
, level
, &box
, clearValue
? clearValue
: zeros
);
2858 * Called via the glTexParam*() function, but only when some texture object
2859 * state has actually changed.
2862 st_TexParameter(struct gl_context
*ctx
,
2863 struct gl_texture_object
*texObj
, GLenum pname
)
2865 struct st_context
*st
= st_context(ctx
);
2866 struct st_texture_object
*stObj
= st_texture_object(texObj
);
2869 case GL_TEXTURE_BASE_LEVEL
:
2870 case GL_TEXTURE_MAX_LEVEL
:
2871 case GL_DEPTH_TEXTURE_MODE
:
2872 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
2873 case GL_TEXTURE_SRGB_DECODE_EXT
:
2874 case GL_TEXTURE_SWIZZLE_R
:
2875 case GL_TEXTURE_SWIZZLE_G
:
2876 case GL_TEXTURE_SWIZZLE_B
:
2877 case GL_TEXTURE_SWIZZLE_A
:
2878 case GL_TEXTURE_SWIZZLE_RGBA
:
2879 case GL_TEXTURE_BUFFER_SIZE
:
2880 case GL_TEXTURE_BUFFER_OFFSET
:
2881 /* changing any of these texture parameters means we must create
2882 * new sampler views.
2884 st_texture_release_all_sampler_views(st
, stObj
);
2893 st_init_texture_functions(struct dd_function_table
*functions
)
2895 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
2896 functions
->QueryInternalFormat
= st_QueryInternalFormat
;
2897 functions
->TexImage
= st_TexImage
;
2898 functions
->TexSubImage
= st_TexSubImage
;
2899 functions
->CompressedTexSubImage
= st_CompressedTexSubImage
;
2900 functions
->CopyTexSubImage
= st_CopyTexSubImage
;
2901 functions
->GenerateMipmap
= st_generate_mipmap
;
2903 functions
->GetTexSubImage
= st_GetTexSubImage
;
2905 /* compressed texture functions */
2906 functions
->CompressedTexImage
= st_CompressedTexImage
;
2907 functions
->GetCompressedTexSubImage
= _mesa_GetCompressedTexSubImage_sw
;
2909 functions
->NewTextureObject
= st_NewTextureObject
;
2910 functions
->NewTextureImage
= st_NewTextureImage
;
2911 functions
->DeleteTextureImage
= st_DeleteTextureImage
;
2912 functions
->DeleteTexture
= st_DeleteTextureObject
;
2913 functions
->AllocTextureImageBuffer
= st_AllocTextureImageBuffer
;
2914 functions
->FreeTextureImageBuffer
= st_FreeTextureImageBuffer
;
2915 functions
->MapTextureImage
= st_MapTextureImage
;
2916 functions
->UnmapTextureImage
= st_UnmapTextureImage
;
2918 /* XXX Temporary until we can query pipe's texture sizes */
2919 functions
->TestProxyTexImage
= st_TestProxyTexImage
;
2921 functions
->AllocTextureStorage
= st_AllocTextureStorage
;
2922 functions
->TextureView
= st_TextureView
;
2923 functions
->ClearTexSubImage
= st_ClearTexSubImage
;
2925 functions
->TexParameter
= st_TexParameter
;