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_fbo.h"
52 #include "state_tracker/st_cb_flush.h"
53 #include "state_tracker/st_cb_texture.h"
54 #include "state_tracker/st_cb_bufferobjects.h"
55 #include "state_tracker/st_format.h"
56 #include "state_tracker/st_pbo.h"
57 #include "state_tracker/st_texture.h"
58 #include "state_tracker/st_gen_mipmap.h"
59 #include "state_tracker/st_atom.h"
61 #include "pipe/p_context.h"
62 #include "pipe/p_defines.h"
63 #include "util/u_inlines.h"
64 #include "util/u_upload_mgr.h"
65 #include "pipe/p_shader_tokens.h"
66 #include "util/u_tile.h"
67 #include "util/u_format.h"
68 #include "util/u_surface.h"
69 #include "util/u_sampler.h"
70 #include "util/u_math.h"
71 #include "util/u_box.h"
72 #include "util/u_simple_shaders.h"
73 #include "cso_cache/cso_context.h"
74 #include "tgsi/tgsi_ureg.h"
76 #define DBG if (0) printf
79 enum pipe_texture_target
80 gl_target_to_pipe(GLenum target
)
84 case GL_PROXY_TEXTURE_1D
:
85 return PIPE_TEXTURE_1D
;
87 case GL_PROXY_TEXTURE_2D
:
88 case GL_TEXTURE_EXTERNAL_OES
:
89 case GL_TEXTURE_2D_MULTISAMPLE
:
90 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
91 return PIPE_TEXTURE_2D
;
92 case GL_TEXTURE_RECTANGLE_NV
:
93 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
94 return PIPE_TEXTURE_RECT
;
96 case GL_PROXY_TEXTURE_3D
:
97 return PIPE_TEXTURE_3D
;
98 case GL_TEXTURE_CUBE_MAP_ARB
:
99 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
100 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
101 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
102 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
103 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
104 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
105 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
106 return PIPE_TEXTURE_CUBE
;
107 case GL_TEXTURE_1D_ARRAY_EXT
:
108 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
109 return PIPE_TEXTURE_1D_ARRAY
;
110 case GL_TEXTURE_2D_ARRAY_EXT
:
111 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
112 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
113 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
114 return PIPE_TEXTURE_2D_ARRAY
;
115 case GL_TEXTURE_BUFFER
:
117 case GL_TEXTURE_CUBE_MAP_ARRAY
:
118 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
119 return PIPE_TEXTURE_CUBE_ARRAY
;
127 /** called via ctx->Driver.NewTextureImage() */
128 static struct gl_texture_image
*
129 st_NewTextureImage(struct gl_context
* ctx
)
131 DBG("%s\n", __func__
);
133 return (struct gl_texture_image
*) ST_CALLOC_STRUCT(st_texture_image
);
137 /** called via ctx->Driver.DeleteTextureImage() */
139 st_DeleteTextureImage(struct gl_context
* ctx
, struct gl_texture_image
*img
)
141 /* nothing special (yet) for st_texture_image */
142 _mesa_delete_texture_image(ctx
, img
);
146 /** called via ctx->Driver.NewTextureObject() */
147 static struct gl_texture_object
*
148 st_NewTextureObject(struct gl_context
* ctx
, GLuint name
, GLenum target
)
150 struct st_texture_object
*obj
= ST_CALLOC_STRUCT(st_texture_object
);
152 DBG("%s\n", __func__
);
153 _mesa_initialize_texture_object(ctx
, &obj
->base
, name
, target
);
158 /** called via ctx->Driver.DeleteTextureObject() */
160 st_DeleteTextureObject(struct gl_context
*ctx
,
161 struct gl_texture_object
*texObj
)
163 struct st_context
*st
= st_context(ctx
);
164 struct st_texture_object
*stObj
= st_texture_object(texObj
);
166 pipe_resource_reference(&stObj
->pt
, NULL
);
167 st_texture_release_all_sampler_views(st
, stObj
);
168 st_texture_free_sampler_views(stObj
);
169 _mesa_delete_texture_object(ctx
, texObj
);
173 /** called via ctx->Driver.FreeTextureImageBuffer() */
175 st_FreeTextureImageBuffer(struct gl_context
*ctx
,
176 struct gl_texture_image
*texImage
)
178 struct st_texture_image
*stImage
= st_texture_image(texImage
);
180 DBG("%s\n", __func__
);
183 pipe_resource_reference(&stImage
->pt
, NULL
);
186 free(stImage
->transfer
);
187 stImage
->transfer
= NULL
;
188 stImage
->num_transfers
= 0;
192 /** called via ctx->Driver.MapTextureImage() */
194 st_MapTextureImage(struct gl_context
*ctx
,
195 struct gl_texture_image
*texImage
,
196 GLuint slice
, GLuint x
, GLuint y
, GLuint w
, GLuint h
,
198 GLubyte
**mapOut
, GLint
*rowStrideOut
)
200 struct st_context
*st
= st_context(ctx
);
201 struct st_texture_image
*stImage
= st_texture_image(texImage
);
204 struct pipe_transfer
*transfer
;
207 if (mode
& GL_MAP_READ_BIT
)
208 pipeMode
|= PIPE_TRANSFER_READ
;
209 if (mode
& GL_MAP_WRITE_BIT
)
210 pipeMode
|= PIPE_TRANSFER_WRITE
;
211 if (mode
& GL_MAP_INVALIDATE_RANGE_BIT
)
212 pipeMode
|= PIPE_TRANSFER_DISCARD_RANGE
;
214 map
= st_texture_image_map(st
, stImage
, pipeMode
, x
, y
, slice
, w
, h
, 1,
217 if ((_mesa_is_format_etc2(texImage
->TexFormat
) && !st
->has_etc2
) ||
218 (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)) {
219 /* ETC isn't supported by gallium and it's represented
220 * by uncompressed formats. Only write transfers with precompressed
221 * data are supported by ES3, which makes this really simple.
223 * Just create a temporary storage where the ETC texture will
224 * be stored. It will be decompressed in the Unmap function.
226 unsigned z
= transfer
->box
.z
;
227 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
229 itransfer
->temp_data
=
230 malloc(_mesa_format_image_size(texImage
->TexFormat
, w
, h
, 1));
231 itransfer
->temp_stride
=
232 _mesa_format_row_stride(texImage
->TexFormat
, w
);
233 itransfer
->map
= map
;
235 *mapOut
= itransfer
->temp_data
;
236 *rowStrideOut
= itransfer
->temp_stride
;
239 /* supported mapping */
241 *rowStrideOut
= transfer
->stride
;
251 /** called via ctx->Driver.UnmapTextureImage() */
253 st_UnmapTextureImage(struct gl_context
*ctx
,
254 struct gl_texture_image
*texImage
,
257 struct st_context
*st
= st_context(ctx
);
258 struct st_texture_image
*stImage
= st_texture_image(texImage
);
260 if ((_mesa_is_format_etc2(texImage
->TexFormat
) && !st
->has_etc2
) ||
261 (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)) {
262 /* Decompress the ETC texture to the mapped one. */
263 unsigned z
= slice
+ stImage
->base
.Face
;
264 struct st_texture_image_transfer
*itransfer
= &stImage
->transfer
[z
];
265 struct pipe_transfer
*transfer
= itransfer
->transfer
;
267 assert(z
== transfer
->box
.z
);
269 if (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
) {
270 _mesa_etc1_unpack_rgba8888(itransfer
->map
, transfer
->stride
,
271 itransfer
->temp_data
,
272 itransfer
->temp_stride
,
273 transfer
->box
.width
, transfer
->box
.height
);
276 _mesa_unpack_etc2_format(itransfer
->map
, transfer
->stride
,
277 itransfer
->temp_data
, itransfer
->temp_stride
,
278 transfer
->box
.width
, transfer
->box
.height
,
279 texImage
->TexFormat
);
282 free(itransfer
->temp_data
);
283 itransfer
->temp_data
= NULL
;
284 itransfer
->temp_stride
= 0;
288 st_texture_image_unmap(st
, stImage
, slice
);
293 * Return default texture resource binding bitmask for the given format.
296 default_bindings(struct st_context
*st
, enum pipe_format format
)
298 struct pipe_screen
*screen
= st
->pipe
->screen
;
299 const unsigned target
= PIPE_TEXTURE_2D
;
302 if (util_format_is_depth_or_stencil(format
))
303 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_DEPTH_STENCIL
;
305 bindings
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
;
307 if (screen
->is_format_supported(screen
, format
, target
, 0, bindings
))
311 format
= util_format_linear(format
);
313 if (screen
->is_format_supported(screen
, format
, target
, 0, bindings
))
316 return PIPE_BIND_SAMPLER_VIEW
;
322 * Given the size of a mipmap image, try to compute the size of the level=0
325 * Note that this isn't always accurate for odd-sized, non-POW textures.
326 * For example, if level=1 and width=40 then the level=0 width may be 80 or 81.
328 * \return GL_TRUE for success, GL_FALSE for failure
331 guess_base_level_size(GLenum target
,
332 GLuint width
, GLuint height
, GLuint depth
, GLuint level
,
333 GLuint
*width0
, GLuint
*height0
, GLuint
*depth0
)
340 /* Guess the size of the base level.
341 * Depending on the image's size, we can't always make a guess here.
345 case GL_TEXTURE_1D_ARRAY
:
350 case GL_TEXTURE_2D_ARRAY
:
351 /* We can't make a good guess here, because the base level dimensions
354 if (width
== 1 || height
== 1) {
361 case GL_TEXTURE_CUBE_MAP
:
362 case GL_TEXTURE_CUBE_MAP_ARRAY
:
368 /* We can't make a good guess here, because the base level dimensions
371 if (width
== 1 || height
== 1 || depth
== 1) {
379 case GL_TEXTURE_RECTANGLE
:
396 * Try to determine whether we should allocate memory for a full texture
397 * mipmap. The problem is when we get a glTexImage(level=0) call, we
398 * can't immediately know if other mipmap levels are coming next. Here
399 * we try to guess whether to allocate memory for a mipmap or just the
402 * If we guess incorrectly here we'll later reallocate the right amount of
403 * memory either in st_AllocTextureImageBuffer() or st_finalize_texture().
405 * \param stObj the texture object we're going to allocate memory for.
406 * \param stImage describes the incoming image which we need to store.
409 allocate_full_mipmap(const struct st_texture_object
*stObj
,
410 const struct st_texture_image
*stImage
)
412 switch (stObj
->base
.Target
) {
413 case GL_TEXTURE_RECTANGLE_NV
:
414 case GL_TEXTURE_BUFFER
:
415 case GL_TEXTURE_EXTERNAL_OES
:
416 case GL_TEXTURE_2D_MULTISAMPLE
:
417 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
418 /* these texture types cannot be mipmapped */
422 if (stImage
->base
.Level
> 0 || stObj
->base
.GenerateMipmap
)
425 if (stImage
->base
._BaseFormat
== GL_DEPTH_COMPONENT
||
426 stImage
->base
._BaseFormat
== GL_DEPTH_STENCIL_EXT
)
427 /* depth/stencil textures are seldom mipmapped */
430 if (stObj
->base
.BaseLevel
== 0 && stObj
->base
.MaxLevel
== 0)
433 if (stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
||
434 stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
)
435 /* not a mipmap minification filter */
438 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
439 /* 3D textures are seldom mipmapped */
447 * Try to allocate a pipe_resource object for the given st_texture_object.
449 * We use the given st_texture_image as a clue to determine the size of the
450 * mipmap image at level=0.
452 * \return GL_TRUE for success, GL_FALSE if out of memory.
455 guess_and_alloc_texture(struct st_context
*st
,
456 struct st_texture_object
*stObj
,
457 const struct st_texture_image
*stImage
)
459 GLuint lastLevel
, width
, height
, depth
;
461 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
;
462 enum pipe_format fmt
;
464 DBG("%s\n", __func__
);
468 if (!guess_base_level_size(stObj
->base
.Target
,
469 stImage
->base
.Width2
,
470 stImage
->base
.Height2
,
471 stImage
->base
.Depth2
,
473 &width
, &height
, &depth
)) {
474 /* we can't determine the image size at level=0 */
475 stObj
->width0
= stObj
->height0
= stObj
->depth0
= 0;
476 /* this is not an out of memory error */
480 /* At this point, (width x height x depth) is the expected size of
481 * the level=0 mipmap image.
484 /* Guess a reasonable value for lastLevel. With OpenGL we have no
485 * idea how many mipmap levels will be in a texture until we start
486 * to render with it. Make an educated guess here but be prepared
487 * to re-allocating a texture buffer with space for more (or fewer)
488 * mipmap levels later.
490 if (allocate_full_mipmap(stObj
, stImage
)) {
491 /* alloc space for a full mipmap */
492 lastLevel
= _mesa_get_tex_max_num_levels(stObj
->base
.Target
,
493 width
, height
, depth
) - 1;
496 /* only alloc space for a single mipmap level */
500 /* Save the level=0 dimensions */
501 stObj
->width0
= width
;
502 stObj
->height0
= height
;
503 stObj
->depth0
= depth
;
505 fmt
= st_mesa_format_to_pipe_format(st
, stImage
->base
.TexFormat
);
507 bindings
= default_bindings(st
, fmt
);
509 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
510 width
, height
, depth
,
511 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
513 stObj
->pt
= st_texture_create(st
,
514 gl_target_to_pipe(stObj
->base
.Target
),
523 stObj
->lastLevel
= lastLevel
;
525 DBG("%s returning %d\n", __func__
, (stObj
->pt
!= NULL
));
527 return stObj
->pt
!= NULL
;
532 * Called via ctx->Driver.AllocTextureImageBuffer().
533 * If the texture object/buffer already has space for the indicated image,
534 * we're done. Otherwise, allocate memory for the new texture image.
537 st_AllocTextureImageBuffer(struct gl_context
*ctx
,
538 struct gl_texture_image
*texImage
)
540 struct st_context
*st
= st_context(ctx
);
541 struct st_texture_image
*stImage
= st_texture_image(texImage
);
542 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
543 const GLuint level
= texImage
->Level
;
544 GLuint width
= texImage
->Width
;
545 GLuint height
= texImage
->Height
;
546 GLuint depth
= texImage
->Depth
;
548 DBG("%s\n", __func__
);
550 assert(!stImage
->pt
); /* xxx this might be wrong */
552 /* Look if the parent texture object has space for this image */
554 level
<= stObj
->pt
->last_level
&&
555 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
556 /* this image will fit in the existing texture object's memory */
557 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
561 /* The parent texture object does not have space for this image */
563 pipe_resource_reference(&stObj
->pt
, NULL
);
564 st_texture_release_all_sampler_views(st
, stObj
);
566 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
567 /* Probably out of memory.
568 * Try flushing any pending rendering, then retry.
571 if (!guess_and_alloc_texture(st
, stObj
, stImage
)) {
572 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
578 st_texture_match_image(st
, stObj
->pt
, texImage
)) {
579 /* The image will live in the object's mipmap memory */
580 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
585 /* Create a new, temporary texture/resource/buffer to hold this
586 * one texture image. Note that when we later access this image
587 * (either for mapping or copying) we'll want to always specify
588 * mipmap level=0, even if the image represents some other mipmap
591 enum pipe_format format
=
592 st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
593 GLuint bindings
= default_bindings(st
, format
);
594 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
;
596 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
,
597 width
, height
, depth
,
598 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
600 stImage
->pt
= st_texture_create(st
,
601 gl_target_to_pipe(stObj
->base
.Target
),
609 return stImage
->pt
!= NULL
;
615 * Preparation prior to glTexImage. Basically check the 'surface_based'
616 * field and switch to a "normal" tex image if necessary.
619 prep_teximage(struct gl_context
*ctx
, struct gl_texture_image
*texImage
,
620 GLenum format
, GLenum type
)
622 struct gl_texture_object
*texObj
= texImage
->TexObject
;
623 struct st_texture_object
*stObj
= st_texture_object(texObj
);
625 /* switch to "normal" */
626 if (stObj
->surface_based
) {
627 const GLenum target
= texObj
->Target
;
628 const GLuint level
= texImage
->Level
;
629 mesa_format texFormat
;
631 _mesa_clear_texture_object(ctx
, texObj
);
632 pipe_resource_reference(&stObj
->pt
, NULL
);
634 /* oops, need to init this image again */
635 texFormat
= _mesa_choose_texture_format(ctx
, texObj
, target
, level
,
636 texImage
->InternalFormat
, format
,
639 _mesa_init_teximage_fields(ctx
, texImage
,
640 texImage
->Width
, texImage
->Height
,
641 texImage
->Depth
, texImage
->Border
,
642 texImage
->InternalFormat
, texFormat
);
644 stObj
->surface_based
= GL_FALSE
;
650 * Return a writemask for the gallium blit. The parameters can be base
651 * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
654 st_get_blit_mask(GLenum srcFormat
, GLenum dstFormat
)
657 case GL_DEPTH_STENCIL
:
659 case GL_DEPTH_STENCIL
:
661 case GL_DEPTH_COMPONENT
:
663 case GL_STENCIL_INDEX
:
670 case GL_DEPTH_COMPONENT
:
672 case GL_DEPTH_STENCIL
:
673 case GL_DEPTH_COMPONENT
:
680 case GL_STENCIL_INDEX
:
682 case GL_STENCIL_INDEX
:
690 return PIPE_MASK_RGBA
;
695 * Converts format to a format with the same components, types
696 * and sizes, but with the components in RGBA order.
698 static enum pipe_format
699 unswizzle_format(enum pipe_format format
)
703 case PIPE_FORMAT_B8G8R8A8_UNORM
:
704 case PIPE_FORMAT_A8R8G8B8_UNORM
:
705 case PIPE_FORMAT_A8B8G8R8_UNORM
:
706 return PIPE_FORMAT_R8G8B8A8_UNORM
;
708 case PIPE_FORMAT_B10G10R10A2_UNORM
:
709 return PIPE_FORMAT_R10G10B10A2_UNORM
;
711 case PIPE_FORMAT_B10G10R10A2_SNORM
:
712 return PIPE_FORMAT_R10G10B10A2_SNORM
;
714 case PIPE_FORMAT_B10G10R10A2_UINT
:
715 return PIPE_FORMAT_R10G10B10A2_UINT
;
723 * Converts PIPE_FORMAT_A* to PIPE_FORMAT_R*.
725 static enum pipe_format
726 alpha_to_red(enum pipe_format format
)
730 case PIPE_FORMAT_A8_UNORM
:
731 return PIPE_FORMAT_R8_UNORM
;
732 case PIPE_FORMAT_A8_SNORM
:
733 return PIPE_FORMAT_R8_SNORM
;
734 case PIPE_FORMAT_A8_UINT
:
735 return PIPE_FORMAT_R8_UINT
;
736 case PIPE_FORMAT_A8_SINT
:
737 return PIPE_FORMAT_R8_SINT
;
739 case PIPE_FORMAT_A16_UNORM
:
740 return PIPE_FORMAT_R16_UNORM
;
741 case PIPE_FORMAT_A16_SNORM
:
742 return PIPE_FORMAT_R16_SNORM
;
743 case PIPE_FORMAT_A16_UINT
:
744 return PIPE_FORMAT_R16_UINT
;
745 case PIPE_FORMAT_A16_SINT
:
746 return PIPE_FORMAT_R16_SINT
;
747 case PIPE_FORMAT_A16_FLOAT
:
748 return PIPE_FORMAT_R16_FLOAT
;
750 case PIPE_FORMAT_A32_UINT
:
751 return PIPE_FORMAT_R32_UINT
;
752 case PIPE_FORMAT_A32_SINT
:
753 return PIPE_FORMAT_R32_SINT
;
754 case PIPE_FORMAT_A32_FLOAT
:
755 return PIPE_FORMAT_R32_FLOAT
;
763 * Converts PIPE_FORMAT_R*A* to PIPE_FORMAT_R*G*.
765 static enum pipe_format
766 red_alpha_to_red_green(enum pipe_format format
)
770 case PIPE_FORMAT_R8A8_UNORM
:
771 return PIPE_FORMAT_R8G8_UNORM
;
772 case PIPE_FORMAT_R8A8_SNORM
:
773 return PIPE_FORMAT_R8G8_SNORM
;
774 case PIPE_FORMAT_R8A8_UINT
:
775 return PIPE_FORMAT_R8G8_UINT
;
776 case PIPE_FORMAT_R8A8_SINT
:
777 return PIPE_FORMAT_R8G8_SINT
;
779 case PIPE_FORMAT_R16A16_UNORM
:
780 return PIPE_FORMAT_R16G16_UNORM
;
781 case PIPE_FORMAT_R16A16_SNORM
:
782 return PIPE_FORMAT_R16G16_SNORM
;
783 case PIPE_FORMAT_R16A16_UINT
:
784 return PIPE_FORMAT_R16G16_UINT
;
785 case PIPE_FORMAT_R16A16_SINT
:
786 return PIPE_FORMAT_R16G16_SINT
;
787 case PIPE_FORMAT_R16A16_FLOAT
:
788 return PIPE_FORMAT_R16G16_FLOAT
;
790 case PIPE_FORMAT_R32A32_UINT
:
791 return PIPE_FORMAT_R32G32_UINT
;
792 case PIPE_FORMAT_R32A32_SINT
:
793 return PIPE_FORMAT_R32G32_SINT
;
794 case PIPE_FORMAT_R32A32_FLOAT
:
795 return PIPE_FORMAT_R32G32_FLOAT
;
803 * Converts PIPE_FORMAT_L*A* to PIPE_FORMAT_R*G*.
805 static enum pipe_format
806 luminance_alpha_to_red_green(enum pipe_format format
)
810 case PIPE_FORMAT_L8A8_UNORM
:
811 return PIPE_FORMAT_R8G8_UNORM
;
812 case PIPE_FORMAT_L8A8_SNORM
:
813 return PIPE_FORMAT_R8G8_SNORM
;
814 case PIPE_FORMAT_L8A8_UINT
:
815 return PIPE_FORMAT_R8G8_UINT
;
816 case PIPE_FORMAT_L8A8_SINT
:
817 return PIPE_FORMAT_R8G8_SINT
;
819 case PIPE_FORMAT_L16A16_UNORM
:
820 return PIPE_FORMAT_R16G16_UNORM
;
821 case PIPE_FORMAT_L16A16_SNORM
:
822 return PIPE_FORMAT_R16G16_SNORM
;
823 case PIPE_FORMAT_L16A16_UINT
:
824 return PIPE_FORMAT_R16G16_UINT
;
825 case PIPE_FORMAT_L16A16_SINT
:
826 return PIPE_FORMAT_R16G16_SINT
;
827 case PIPE_FORMAT_L16A16_FLOAT
:
828 return PIPE_FORMAT_R16G16_FLOAT
;
830 case PIPE_FORMAT_L32A32_UINT
:
831 return PIPE_FORMAT_R32G32_UINT
;
832 case PIPE_FORMAT_L32A32_SINT
:
833 return PIPE_FORMAT_R32G32_SINT
;
834 case PIPE_FORMAT_L32A32_FLOAT
:
835 return PIPE_FORMAT_R32G32_FLOAT
;
843 * Returns true if format is a PIPE_FORMAT_A* format, and false otherwise.
846 format_is_alpha(enum pipe_format format
)
848 const struct util_format_description
*desc
= util_format_description(format
);
850 if (desc
->nr_channels
== 1 &&
851 desc
->swizzle
[0] == PIPE_SWIZZLE_0
&&
852 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
853 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
854 desc
->swizzle
[3] == PIPE_SWIZZLE_X
)
861 * Returns true if format is a PIPE_FORMAT_R* format, and false otherwise.
864 format_is_red(enum pipe_format format
)
866 const struct util_format_description
*desc
= util_format_description(format
);
868 if (desc
->nr_channels
== 1 &&
869 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
870 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
871 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
872 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
880 * Returns true if format is a PIPE_FORMAT_L* format, and false otherwise.
883 format_is_luminance(enum pipe_format format
)
885 const struct util_format_description
*desc
= util_format_description(format
);
887 if (desc
->nr_channels
== 1 &&
888 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
889 desc
->swizzle
[1] == PIPE_SWIZZLE_X
&&
890 desc
->swizzle
[2] == PIPE_SWIZZLE_X
&&
891 desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
898 * Returns true if format is a PIPE_FORMAT_R*A* format, and false otherwise.
901 format_is_red_alpha(enum pipe_format format
)
903 const struct util_format_description
*desc
= util_format_description(format
);
905 if (desc
->nr_channels
== 2 &&
906 desc
->swizzle
[0] == PIPE_SWIZZLE_X
&&
907 desc
->swizzle
[1] == PIPE_SWIZZLE_0
&&
908 desc
->swizzle
[2] == PIPE_SWIZZLE_0
&&
909 desc
->swizzle
[3] == PIPE_SWIZZLE_Y
)
916 format_is_swizzled_rgba(enum pipe_format format
)
918 const struct util_format_description
*desc
= util_format_description(format
);
920 if ((desc
->swizzle
[0] == TGSI_SWIZZLE_X
|| desc
->swizzle
[0] == PIPE_SWIZZLE_0
) &&
921 (desc
->swizzle
[1] == TGSI_SWIZZLE_Y
|| desc
->swizzle
[1] == PIPE_SWIZZLE_0
) &&
922 (desc
->swizzle
[2] == TGSI_SWIZZLE_Z
|| desc
->swizzle
[2] == PIPE_SWIZZLE_0
) &&
923 (desc
->swizzle
[3] == TGSI_SWIZZLE_W
|| desc
->swizzle
[3] == PIPE_SWIZZLE_1
))
931 unsigned char swizzle
[4];
932 enum pipe_format format
;
935 static const struct format_table table_8888_unorm
[] = {
936 { { 0, 1, 2, 3 }, PIPE_FORMAT_R8G8B8A8_UNORM
},
937 { { 2, 1, 0, 3 }, PIPE_FORMAT_B8G8R8A8_UNORM
},
938 { { 3, 0, 1, 2 }, PIPE_FORMAT_A8R8G8B8_UNORM
},
939 { { 3, 2, 1, 0 }, PIPE_FORMAT_A8B8G8R8_UNORM
}
942 static const struct format_table table_1010102_unorm
[] = {
943 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UNORM
},
944 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UNORM
}
947 static const struct format_table table_1010102_snorm
[] = {
948 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_SNORM
},
949 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_SNORM
}
952 static const struct format_table table_1010102_uint
[] = {
953 { { 0, 1, 2, 3 }, PIPE_FORMAT_R10G10B10A2_UINT
},
954 { { 2, 1, 0, 3 }, PIPE_FORMAT_B10G10R10A2_UINT
}
957 static enum pipe_format
958 swizzle_format(enum pipe_format format
, const int * const swizzle
)
963 case PIPE_FORMAT_R8G8B8A8_UNORM
:
964 case PIPE_FORMAT_B8G8R8A8_UNORM
:
965 case PIPE_FORMAT_A8R8G8B8_UNORM
:
966 case PIPE_FORMAT_A8B8G8R8_UNORM
:
967 for (i
= 0; i
< ARRAY_SIZE(table_8888_unorm
); i
++) {
968 if (swizzle
[0] == table_8888_unorm
[i
].swizzle
[0] &&
969 swizzle
[1] == table_8888_unorm
[i
].swizzle
[1] &&
970 swizzle
[2] == table_8888_unorm
[i
].swizzle
[2] &&
971 swizzle
[3] == table_8888_unorm
[i
].swizzle
[3])
972 return table_8888_unorm
[i
].format
;
976 case PIPE_FORMAT_R10G10B10A2_UNORM
:
977 case PIPE_FORMAT_B10G10R10A2_UNORM
:
978 for (i
= 0; i
< ARRAY_SIZE(table_1010102_unorm
); i
++) {
979 if (swizzle
[0] == table_1010102_unorm
[i
].swizzle
[0] &&
980 swizzle
[1] == table_1010102_unorm
[i
].swizzle
[1] &&
981 swizzle
[2] == table_1010102_unorm
[i
].swizzle
[2] &&
982 swizzle
[3] == table_1010102_unorm
[i
].swizzle
[3])
983 return table_1010102_unorm
[i
].format
;
987 case PIPE_FORMAT_R10G10B10A2_SNORM
:
988 case PIPE_FORMAT_B10G10R10A2_SNORM
:
989 for (i
= 0; i
< ARRAY_SIZE(table_1010102_snorm
); i
++) {
990 if (swizzle
[0] == table_1010102_snorm
[i
].swizzle
[0] &&
991 swizzle
[1] == table_1010102_snorm
[i
].swizzle
[1] &&
992 swizzle
[2] == table_1010102_snorm
[i
].swizzle
[2] &&
993 swizzle
[3] == table_1010102_snorm
[i
].swizzle
[3])
994 return table_1010102_snorm
[i
].format
;
998 case PIPE_FORMAT_R10G10B10A2_UINT
:
999 case PIPE_FORMAT_B10G10R10A2_UINT
:
1000 for (i
= 0; i
< ARRAY_SIZE(table_1010102_uint
); i
++) {
1001 if (swizzle
[0] == table_1010102_uint
[i
].swizzle
[0] &&
1002 swizzle
[1] == table_1010102_uint
[i
].swizzle
[1] &&
1003 swizzle
[2] == table_1010102_uint
[i
].swizzle
[2] &&
1004 swizzle
[3] == table_1010102_uint
[i
].swizzle
[3])
1005 return table_1010102_uint
[i
].format
;
1013 return PIPE_FORMAT_NONE
;
1017 reinterpret_formats(enum pipe_format
*src_format
, enum pipe_format
*dst_format
)
1019 enum pipe_format src
= *src_format
;
1020 enum pipe_format dst
= *dst_format
;
1022 /* Note: dst_format has already been transformed from luminance/intensity
1023 * to red when this function is called. The source format will never
1024 * be an intensity format, because GL_INTENSITY is not a legal value
1025 * for the format parameter in glTex(Sub)Image(). */
1027 if (format_is_alpha(src
)) {
1028 if (!format_is_alpha(dst
))
1031 src
= alpha_to_red(src
);
1032 dst
= alpha_to_red(dst
);
1033 } else if (format_is_luminance(src
)) {
1034 if (!format_is_red(dst
) && !format_is_red_alpha(dst
))
1037 src
= util_format_luminance_to_red(src
);
1038 } else if (util_format_is_luminance_alpha(src
)) {
1039 src
= luminance_alpha_to_red_green(src
);
1041 if (format_is_red_alpha(dst
)) {
1042 dst
= red_alpha_to_red_green(dst
);
1043 } else if (!format_is_red(dst
))
1045 } else if (format_is_swizzled_rgba(src
)) {
1046 const struct util_format_description
*src_desc
= util_format_description(src
);
1047 const struct util_format_description
*dst_desc
= util_format_description(dst
);
1051 /* Make sure the format is an RGBA and not an RGBX format */
1052 if (src_desc
->nr_channels
!= 4 || src_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1055 if (dst_desc
->nr_channels
!= 4 || dst_desc
->swizzle
[3] == PIPE_SWIZZLE_1
)
1058 for (i
= 0; i
< 4; i
++)
1059 swizzle
[i
] = dst_desc
->swizzle
[src_desc
->swizzle
[i
]];
1061 dst
= swizzle_format(dst
, swizzle
);
1062 if (dst
== PIPE_FORMAT_NONE
)
1065 src
= unswizzle_format(src
);
1074 try_pbo_upload_common(struct gl_context
*ctx
,
1075 struct pipe_surface
*surface
,
1076 int xoffset
, int yoffset
,
1077 unsigned upload_width
, unsigned upload_height
,
1078 struct pipe_resource
*buffer
,
1079 enum pipe_format src_format
,
1080 intptr_t buf_offset
,
1081 unsigned bytes_per_pixel
,
1083 unsigned image_height
)
1085 struct st_context
*st
= st_context(ctx
);
1086 struct cso_context
*cso
= st
->cso_context
;
1087 struct pipe_context
*pipe
= st
->pipe
;
1088 unsigned depth
= surface
->u
.tex
.last_layer
- surface
->u
.tex
.first_layer
+ 1;
1089 unsigned skip_pixels
= 0;
1090 bool success
= false;
1092 /* Check alignment. */
1094 unsigned ofs
= (buf_offset
* bytes_per_pixel
) % ctx
->Const
.TextureBufferOffsetAlignment
;
1096 if (ofs
% bytes_per_pixel
!= 0)
1099 skip_pixels
= ofs
/ bytes_per_pixel
;
1100 buf_offset
-= skip_pixels
;
1104 /* Create the shaders */
1106 st
->pbo
.vs
= st_pbo_create_vs(st
);
1111 if (depth
!= 1 && st
->pbo
.use_gs
&& !st
->pbo
.gs
) {
1112 st
->pbo
.gs
= st_pbo_create_gs(st
);
1117 if (!st
->pbo
.upload_fs
) {
1118 st
->pbo
.upload_fs
= st_pbo_create_upload_fs(st
);
1119 if (!st
->pbo
.upload_fs
)
1123 cso_save_state(cso
, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
1124 CSO_BIT_FRAGMENT_SAMPLERS
|
1125 CSO_BIT_VERTEX_ELEMENTS
|
1126 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
1127 CSO_BIT_FRAMEBUFFER
|
1130 CSO_BIT_DEPTH_STENCIL_ALPHA
|
1131 CSO_BIT_RASTERIZER
|
1132 CSO_BIT_STREAM_OUTPUTS
|
1133 CSO_BIT_PAUSE_QUERIES
|
1134 CSO_BITS_ALL_SHADERS
));
1135 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1138 /* Set up the sampler_view */
1140 unsigned first_element
= buf_offset
;
1141 unsigned last_element
= buf_offset
+ skip_pixels
+ upload_width
- 1
1142 + (upload_height
- 1 + (depth
- 1) * image_height
) * stride
;
1143 struct pipe_sampler_view templ
;
1144 struct pipe_sampler_view
*sampler_view
;
1145 struct pipe_sampler_state sampler
= {0};
1146 const struct pipe_sampler_state
*samplers
[1] = {&sampler
};
1148 /* This should be ensured by Mesa before calling our callbacks */
1149 assert((last_element
+ 1) * bytes_per_pixel
<= buffer
->width0
);
1151 if (last_element
- first_element
> ctx
->Const
.MaxTextureBufferSize
- 1)
1154 memset(&templ
, 0, sizeof(templ
));
1155 templ
.target
= PIPE_BUFFER
;
1156 templ
.format
= src_format
;
1157 templ
.u
.buf
.first_element
= first_element
;
1158 templ
.u
.buf
.last_element
= last_element
;
1159 templ
.swizzle_r
= PIPE_SWIZZLE_X
;
1160 templ
.swizzle_g
= PIPE_SWIZZLE_Y
;
1161 templ
.swizzle_b
= PIPE_SWIZZLE_Z
;
1162 templ
.swizzle_a
= PIPE_SWIZZLE_W
;
1164 sampler_view
= pipe
->create_sampler_view(pipe
, buffer
, &templ
);
1165 if (sampler_view
== NULL
)
1168 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1, &sampler_view
);
1170 pipe_sampler_view_reference(&sampler_view
, NULL
);
1172 cso_set_samplers(cso
, PIPE_SHADER_FRAGMENT
, 1, samplers
);
1175 /* Upload vertices */
1177 struct pipe_vertex_buffer vbo
;
1178 struct pipe_vertex_element velem
;
1180 float x0
= (float) xoffset
/ surface
->width
* 2.0f
- 1.0f
;
1181 float y0
= (float) yoffset
/ surface
->height
* 2.0f
- 1.0f
;
1182 float x1
= (float) (xoffset
+ upload_width
) / surface
->width
* 2.0f
- 1.0f
;
1183 float y1
= (float) (yoffset
+ upload_height
) / surface
->height
* 2.0f
- 1.0f
;
1185 float *verts
= NULL
;
1187 vbo
.user_buffer
= NULL
;
1189 vbo
.stride
= 2 * sizeof(float);
1191 u_upload_alloc(st
->uploader
, 0, 8 * sizeof(float), 4,
1192 &vbo
.buffer_offset
, &vbo
.buffer
, (void **) &verts
);
1205 u_upload_unmap(st
->uploader
);
1207 velem
.src_offset
= 0;
1208 velem
.instance_divisor
= 0;
1209 velem
.vertex_buffer_index
= cso_get_aux_vertex_buffer_slot(cso
);
1210 velem
.src_format
= PIPE_FORMAT_R32G32_FLOAT
;
1212 cso_set_vertex_elements(cso
, 1, &velem
);
1214 cso_set_vertex_buffers(cso
, velem
.vertex_buffer_index
, 1, &vbo
);
1216 pipe_resource_reference(&vbo
.buffer
, NULL
);
1219 /* Upload constants */
1220 /* Note: the user buffer must be valid until draw time */
1229 struct pipe_constant_buffer cb
;
1231 constants
.xoffset
= -xoffset
+ skip_pixels
;
1232 constants
.yoffset
= -yoffset
;
1233 constants
.stride
= stride
;
1234 constants
.image_size
= stride
* image_height
;
1236 if (st
->constbuf_uploader
) {
1238 cb
.user_buffer
= NULL
;
1239 u_upload_data(st
->constbuf_uploader
, 0, sizeof(constants
),
1240 ctx
->Const
.UniformBufferOffsetAlignment
,
1241 &constants
, &cb
.buffer_offset
, &cb
.buffer
);
1245 u_upload_unmap(st
->constbuf_uploader
);
1248 cb
.user_buffer
= &constants
;
1249 cb
.buffer_offset
= 0;
1251 cb
.buffer_size
= sizeof(constants
);
1253 cso_set_constant_buffer(cso
, PIPE_SHADER_FRAGMENT
, 0, &cb
);
1255 pipe_resource_reference(&cb
.buffer
, NULL
);
1258 /* Framebuffer_state */
1260 struct pipe_framebuffer_state fb
;
1261 memset(&fb
, 0, sizeof(fb
));
1262 fb
.width
= surface
->width
;
1263 fb
.height
= surface
->height
;
1265 pipe_surface_reference(&fb
.cbufs
[0], surface
);
1267 cso_set_framebuffer(cso
, &fb
);
1269 pipe_surface_reference(&fb
.cbufs
[0], NULL
);
1272 cso_set_viewport_dims(cso
, surface
->width
, surface
->height
, FALSE
);
1275 cso_set_blend(cso
, &st
->pbo
.upload_blend
);
1277 /* Depth/stencil/alpha state */
1279 struct pipe_depth_stencil_alpha_state dsa
;
1280 memset(&dsa
, 0, sizeof(dsa
));
1281 cso_set_depth_stencil_alpha(cso
, &dsa
);
1284 /* Rasterizer state */
1285 cso_set_rasterizer(cso
, &st
->pbo
.raster
);
1287 /* Set up the shaders */
1288 cso_set_vertex_shader_handle(cso
, st
->pbo
.vs
);
1290 cso_set_geometry_shader_handle(cso
, depth
!= 1 ? st
->pbo
.gs
: NULL
);
1292 cso_set_tessctrl_shader_handle(cso
, NULL
);
1294 cso_set_tesseval_shader_handle(cso
, NULL
);
1296 cso_set_fragment_shader_handle(cso
, st
->pbo
.upload_fs
);
1298 /* Disable stream output */
1299 cso_set_stream_outputs(cso
, 0, NULL
, 0);
1302 cso_draw_arrays(cso
, PIPE_PRIM_TRIANGLE_STRIP
, 0, 4);
1304 cso_draw_arrays_instanced(cso
, PIPE_PRIM_TRIANGLE_STRIP
,
1311 cso_restore_state(cso
);
1312 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1318 try_pbo_upload(struct gl_context
*ctx
, GLuint dims
,
1319 struct gl_texture_image
*texImage
,
1320 GLenum format
, GLenum type
,
1321 enum pipe_format dst_format
,
1322 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1323 GLint width
, GLint height
, GLint depth
,
1325 const struct gl_pixelstore_attrib
*unpack
)
1327 struct st_context
*st
= st_context(ctx
);
1328 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1329 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1330 struct pipe_resource
*texture
= stImage
->pt
;
1331 struct pipe_context
*pipe
= st
->pipe
;
1332 struct pipe_screen
*screen
= pipe
->screen
;
1333 struct pipe_surface
*surface
= NULL
;
1334 enum pipe_format src_format
;
1335 const struct util_format_description
*desc
;
1336 GLenum gl_target
= texImage
->TexObject
->Target
;
1337 intptr_t buf_offset
;
1338 unsigned bytes_per_pixel
;
1339 unsigned stride
, image_height
;
1342 if (!st
->pbo
.upload_enabled
)
1345 /* From now on, we need the gallium representation of dimensions. */
1346 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1353 image_height
= unpack
->ImageHeight
> 0 ? unpack
->ImageHeight
: height
;
1356 if (depth
!= 1 && !st
->pbo
.layers
)
1359 /* Choose the source format. Initially, we do so without checking driver
1360 * support at all because of the remapping we later perform and because
1361 * at least the Radeon driver actually supports some formats for texture
1362 * buffers which it doesn't support for regular textures. */
1363 src_format
= st_choose_matching_format(st
, 0, format
, type
, unpack
->SwapBytes
);
1368 src_format
= util_format_linear(src_format
);
1369 desc
= util_format_description(src_format
);
1371 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
1374 if (desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
1377 if (st
->pbo
.rgba_only
) {
1378 enum pipe_format orig_dst_format
= dst_format
;
1380 if (!reinterpret_formats(&src_format
, &dst_format
)) {
1384 if (dst_format
!= orig_dst_format
&&
1385 !screen
->is_format_supported(screen
, dst_format
, PIPE_TEXTURE_2D
, 0,
1386 PIPE_BIND_RENDER_TARGET
)) {
1392 !screen
->is_format_supported(screen
, src_format
, PIPE_BUFFER
, 0,
1393 PIPE_BIND_SAMPLER_VIEW
)) {
1397 /* Check if the offset satisfies the alignment requirements */
1398 buf_offset
= (intptr_t) pixels
;
1399 bytes_per_pixel
= desc
->block
.bits
/ 8;
1401 if (buf_offset
% bytes_per_pixel
) {
1405 /* Convert to texels */
1406 buf_offset
= buf_offset
/ bytes_per_pixel
;
1408 /* Compute the stride, taking unpack->Alignment into account */
1410 unsigned pixels_per_row
= unpack
->RowLength
> 0 ?
1411 unpack
->RowLength
: width
;
1412 unsigned bytes_per_row
= pixels_per_row
* bytes_per_pixel
;
1413 unsigned remainder
= bytes_per_row
% unpack
->Alignment
;
1414 unsigned offset_rows
;
1417 bytes_per_row
+= (unpack
->Alignment
- remainder
);
1419 if (bytes_per_row
% bytes_per_pixel
) {
1423 stride
= bytes_per_row
/ bytes_per_pixel
;
1425 offset_rows
= unpack
->SkipRows
;
1427 offset_rows
+= image_height
* unpack
->SkipImages
;
1429 buf_offset
+= unpack
->SkipPixels
+ stride
* offset_rows
;
1432 /* Set up the surface */
1434 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1435 unsigned max_layer
= util_max_layer(texture
, level
);
1437 zoffset
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1439 struct pipe_surface templ
;
1440 memset(&templ
, 0, sizeof(templ
));
1441 templ
.format
= dst_format
;
1442 templ
.u
.tex
.level
= level
;
1443 templ
.u
.tex
.first_layer
= MIN2(zoffset
, max_layer
);
1444 templ
.u
.tex
.last_layer
= MIN2(zoffset
+ depth
- 1, max_layer
);
1446 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1451 success
= try_pbo_upload_common(ctx
, surface
,
1452 xoffset
, yoffset
, width
, height
,
1453 st_buffer_object(unpack
->BufferObj
)->buffer
,
1456 bytes_per_pixel
, stride
, image_height
);
1458 pipe_surface_reference(&surface
, NULL
);
1464 st_TexSubImage(struct gl_context
*ctx
, GLuint dims
,
1465 struct gl_texture_image
*texImage
,
1466 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1467 GLint width
, GLint height
, GLint depth
,
1468 GLenum format
, GLenum type
, const void *pixels
,
1469 const struct gl_pixelstore_attrib
*unpack
)
1471 struct st_context
*st
= st_context(ctx
);
1472 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1473 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1474 struct pipe_context
*pipe
= st
->pipe
;
1475 struct pipe_screen
*screen
= pipe
->screen
;
1476 struct pipe_resource
*dst
= stImage
->pt
;
1477 struct pipe_resource
*src
= NULL
;
1478 struct pipe_resource src_templ
;
1479 struct pipe_transfer
*transfer
;
1480 struct pipe_blit_info blit
;
1481 enum pipe_format src_format
, dst_format
;
1482 mesa_format mesa_src_format
;
1483 GLenum gl_target
= texImage
->TexObject
->Target
;
1486 unsigned dstz
= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1487 unsigned dst_level
= 0;
1489 if (stObj
->pt
== stImage
->pt
)
1490 dst_level
= texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1492 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1493 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1498 /* Try transfer_inline_write, which should be the fastest memcpy path. */
1500 !_mesa_is_bufferobj(unpack
->BufferObj
) &&
1501 _mesa_texstore_can_use_memcpy(ctx
, texImage
->_BaseFormat
,
1502 texImage
->TexFormat
, format
, type
,
1504 struct pipe_box box
;
1505 unsigned stride
, layer_stride
;
1508 stride
= _mesa_image_row_stride(unpack
, width
, format
, type
);
1509 layer_stride
= _mesa_image_image_stride(unpack
, width
, height
, format
,
1511 data
= _mesa_image_address(dims
, unpack
, pixels
, width
, height
, format
,
1514 /* Convert to Gallium coordinates. */
1515 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1520 layer_stride
= stride
;
1523 u_box_3d(xoffset
, yoffset
, zoffset
+ dstz
, width
, height
, depth
, &box
);
1524 pipe
->transfer_inline_write(pipe
, dst
, dst_level
, 0,
1525 &box
, data
, stride
, layer_stride
);
1529 if (!st
->prefer_blit_based_texture_transfer
) {
1533 /* XXX Fallback for depth-stencil formats due to an incomplete stencil
1534 * blit implementation in some drivers. */
1535 if (format
== GL_DEPTH_STENCIL
) {
1539 /* If the base internal format and the texture format don't match,
1540 * we can't use blit-based TexSubImage. */
1541 if (texImage
->_BaseFormat
!=
1542 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1547 /* See if the destination format is supported. */
1548 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1549 bind
= PIPE_BIND_DEPTH_STENCIL
;
1551 bind
= PIPE_BIND_RENDER_TARGET
;
1553 /* For luminance and intensity, only the red channel is stored
1554 * in the destination. */
1555 dst_format
= util_format_linear(dst
->format
);
1556 dst_format
= util_format_luminance_to_red(dst_format
);
1557 dst_format
= util_format_intensity_to_red(dst_format
);
1560 !screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1561 dst
->nr_samples
, bind
)) {
1565 if (_mesa_is_bufferobj(unpack
->BufferObj
)) {
1566 if (try_pbo_upload(ctx
, dims
, texImage
, format
, type
, dst_format
,
1567 xoffset
, yoffset
, zoffset
,
1568 width
, height
, depth
, pixels
, unpack
))
1572 /* See if the texture format already matches the format and type,
1573 * in which case the memcpy-based fast path will likely be used and
1574 * we don't have to blit. */
1575 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1576 type
, unpack
->SwapBytes
, NULL
)) {
1580 /* Choose the source format. */
1581 src_format
= st_choose_matching_format(st
, PIPE_BIND_SAMPLER_VIEW
,
1582 format
, type
, unpack
->SwapBytes
);
1587 mesa_src_format
= st_pipe_format_to_mesa_format(src_format
);
1589 /* There is no reason to do this if we cannot use memcpy for the temporary
1590 * source texture at least. This also takes transfer ops into account,
1592 if (!_mesa_texstore_can_use_memcpy(ctx
,
1593 _mesa_get_format_base_format(mesa_src_format
),
1594 mesa_src_format
, format
, type
, unpack
)) {
1598 /* TexSubImage only sets a single cubemap face. */
1599 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
1600 gl_target
= GL_TEXTURE_2D
;
1602 /* TexSubImage can specify subsets of cube map array faces
1603 * so we need to upload via 2D array instead */
1604 if (gl_target
== GL_TEXTURE_CUBE_MAP_ARRAY
) {
1605 gl_target
= GL_TEXTURE_2D_ARRAY
;
1608 /* Initialize the source texture description. */
1609 memset(&src_templ
, 0, sizeof(src_templ
));
1610 src_templ
.target
= gl_target_to_pipe(gl_target
);
1611 src_templ
.format
= src_format
;
1612 src_templ
.bind
= PIPE_BIND_SAMPLER_VIEW
;
1613 src_templ
.usage
= PIPE_USAGE_STAGING
;
1615 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
1616 &src_templ
.width0
, &src_templ
.height0
,
1617 &src_templ
.depth0
, &src_templ
.array_size
);
1619 /* Check for NPOT texture support. */
1620 if (!screen
->get_param(screen
, PIPE_CAP_NPOT_TEXTURES
) &&
1621 (!util_is_power_of_two(src_templ
.width0
) ||
1622 !util_is_power_of_two(src_templ
.height0
) ||
1623 !util_is_power_of_two(src_templ
.depth0
))) {
1627 /* Create the source texture. */
1628 src
= screen
->resource_create(screen
, &src_templ
);
1633 /* Map source pixels. */
1634 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, depth
,
1635 format
, type
, pixels
, unpack
,
1638 /* This is a GL error. */
1639 pipe_resource_reference(&src
, NULL
);
1643 /* From now on, we need the gallium representation of dimensions. */
1644 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1651 map
= pipe_transfer_map_3d(pipe
, src
, 0, PIPE_TRANSFER_WRITE
, 0, 0, 0,
1652 width
, height
, depth
, &transfer
);
1654 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1655 pipe_resource_reference(&src
, NULL
);
1659 /* Upload pixels (just memcpy). */
1661 const uint bytesPerRow
= width
* util_format_get_blocksize(src_format
);
1664 for (slice
= 0; slice
< (unsigned) depth
; slice
++) {
1665 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1666 /* 1D array textures.
1667 * We need to convert gallium coords to GL coords.
1669 void *src
= _mesa_image_address2d(unpack
, pixels
,
1670 width
, depth
, format
,
1672 memcpy(map
, src
, bytesPerRow
);
1675 ubyte
*slice_map
= map
;
1677 for (row
= 0; row
< (unsigned) height
; row
++) {
1678 void *src
= _mesa_image_address(dims
, unpack
, pixels
,
1679 width
, height
, format
,
1680 type
, slice
, row
, 0);
1681 memcpy(slice_map
, src
, bytesPerRow
);
1682 slice_map
+= transfer
->stride
;
1685 map
+= transfer
->layer_stride
;
1689 pipe_transfer_unmap(pipe
, transfer
);
1690 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1693 memset(&blit
, 0, sizeof(blit
));
1694 blit
.src
.resource
= src
;
1696 blit
.src
.format
= src_format
;
1697 blit
.dst
.resource
= dst
;
1698 blit
.dst
.level
= dst_level
;
1699 blit
.dst
.format
= dst_format
;
1700 blit
.src
.box
.x
= blit
.src
.box
.y
= blit
.src
.box
.z
= 0;
1701 blit
.dst
.box
.x
= xoffset
;
1702 blit
.dst
.box
.y
= yoffset
;
1703 blit
.dst
.box
.z
= zoffset
+ dstz
;
1704 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
1705 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
1706 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
1707 blit
.mask
= st_get_blit_mask(format
, texImage
->_BaseFormat
);
1708 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1709 blit
.scissor_enable
= FALSE
;
1711 st
->pipe
->blit(st
->pipe
, &blit
);
1713 pipe_resource_reference(&src
, NULL
);
1717 _mesa_store_texsubimage(ctx
, dims
, texImage
, xoffset
, yoffset
, zoffset
,
1718 width
, height
, depth
, format
, type
, pixels
,
1723 st_TexImage(struct gl_context
* ctx
, GLuint dims
,
1724 struct gl_texture_image
*texImage
,
1725 GLenum format
, GLenum type
, const void *pixels
,
1726 const struct gl_pixelstore_attrib
*unpack
)
1728 assert(dims
== 1 || dims
== 2 || dims
== 3);
1730 prep_teximage(ctx
, texImage
, format
, type
);
1732 if (texImage
->Width
== 0 || texImage
->Height
== 0 || texImage
->Depth
== 0)
1735 /* allocate storage for texture data */
1736 if (!ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
)) {
1737 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
1741 st_TexSubImage(ctx
, dims
, texImage
, 0, 0, 0,
1742 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1743 format
, type
, pixels
, unpack
);
1748 st_CompressedTexSubImage(struct gl_context
*ctx
, GLuint dims
,
1749 struct gl_texture_image
*texImage
,
1750 GLint x
, GLint y
, GLint z
,
1751 GLsizei w
, GLsizei h
, GLsizei d
,
1752 GLenum format
, GLsizei imageSize
, const void *data
)
1754 struct st_context
*st
= st_context(ctx
);
1755 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1756 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1757 struct pipe_resource
*texture
= stImage
->pt
;
1758 struct pipe_context
*pipe
= st
->pipe
;
1759 struct pipe_screen
*screen
= pipe
->screen
;
1760 struct pipe_resource
*dst
= stImage
->pt
;
1761 struct pipe_surface
*surface
= NULL
;
1762 struct compressed_pixelstore store
;
1763 enum pipe_format copy_format
;
1764 unsigned bytes_per_block
;
1766 intptr_t buf_offset
;
1767 bool success
= false;
1769 /* Check basic pre-conditions for PBO upload */
1770 if (!st
->prefer_blit_based_texture_transfer
) {
1774 if (!_mesa_is_bufferobj(ctx
->Unpack
.BufferObj
))
1777 if ((_mesa_is_format_etc2(texImage
->TexFormat
) && !st
->has_etc2
) ||
1778 (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)) {
1779 /* ETC isn't supported and is represented by uncompressed formats. */
1787 if (!st
->pbo
.upload_enabled
||
1788 !screen
->get_param(screen
, PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
)) {
1792 /* Choose the pipe format for the upload. */
1793 bytes_per_block
= util_format_get_blocksize(dst
->format
);
1794 bw
= util_format_get_blockwidth(dst
->format
);
1795 bh
= util_format_get_blockheight(dst
->format
);
1797 switch (bytes_per_block
) {
1799 copy_format
= PIPE_FORMAT_R16G16B16A16_UINT
;
1802 copy_format
= PIPE_FORMAT_R32G32B32A32_UINT
;
1808 if (!screen
->is_format_supported(screen
, copy_format
, PIPE_BUFFER
, 0,
1809 PIPE_BIND_SAMPLER_VIEW
)) {
1813 if (!screen
->is_format_supported(screen
, copy_format
, dst
->target
,
1814 dst
->nr_samples
, PIPE_BIND_RENDER_TARGET
)) {
1818 /* Interpret the pixelstore settings. */
1819 _mesa_compute_compressed_pixelstore(dims
, texImage
->TexFormat
, w
, h
, d
,
1820 &ctx
->Unpack
, &store
);
1821 assert(store
.CopyBytesPerRow
% bytes_per_block
== 0);
1822 assert(store
.SkipBytes
% bytes_per_block
== 0);
1824 /* Compute the offset into the buffer */
1825 buf_offset
= (intptr_t)data
+ store
.SkipBytes
;
1827 if (buf_offset
% bytes_per_block
) {
1831 buf_offset
= buf_offset
/ bytes_per_block
;
1833 /* Set up the surface. */
1835 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1836 unsigned max_layer
= util_max_layer(texture
, level
);
1838 z
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1840 struct pipe_surface templ
;
1841 memset(&templ
, 0, sizeof(templ
));
1842 templ
.format
= copy_format
;
1843 templ
.u
.tex
.level
= level
;
1844 templ
.u
.tex
.first_layer
= MIN2(z
, max_layer
);
1845 templ
.u
.tex
.last_layer
= MIN2(z
+ d
- 1, max_layer
);
1847 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1852 success
= try_pbo_upload_common(ctx
, surface
,
1854 store
.CopyBytesPerRow
/ bytes_per_block
,
1855 store
.CopyRowsPerSlice
,
1856 st_buffer_object(ctx
->Unpack
.BufferObj
)->buffer
,
1860 store
.TotalBytesPerRow
/ bytes_per_block
,
1861 store
.TotalRowsPerSlice
);
1863 pipe_surface_reference(&surface
, NULL
);
1869 _mesa_store_compressed_texsubimage(ctx
, dims
, texImage
,
1871 format
, imageSize
, data
);
1875 st_CompressedTexImage(struct gl_context
*ctx
, GLuint dims
,
1876 struct gl_texture_image
*texImage
,
1877 GLsizei imageSize
, const void *data
)
1879 prep_teximage(ctx
, texImage
, GL_NONE
, GL_NONE
);
1881 /* only 2D and 3D compressed images are supported at this time */
1883 _mesa_problem(ctx
, "Unexpected glCompressedTexImage1D call");
1887 /* This is pretty simple, because unlike the general texstore path we don't
1888 * have to worry about the usual image unpacking or image transfer
1892 assert(texImage
->Width
> 0);
1893 assert(texImage
->Height
> 0);
1894 assert(texImage
->Depth
> 0);
1896 /* allocate storage for texture data */
1897 if (!st_AllocTextureImageBuffer(ctx
, texImage
)) {
1898 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage%uD", dims
);
1902 st_CompressedTexSubImage(ctx
, dims
, texImage
,
1904 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1905 texImage
->TexFormat
,
1913 * Called via ctx->Driver.GetTexSubImage()
1915 * This uses a blit to copy the texture to a texture format which matches
1916 * the format and type combo and then a fast read-back is done using memcpy.
1917 * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
1918 * a format which matches the swizzling.
1920 * If such a format isn't available, it falls back to _mesa_GetTexImage_sw.
1922 * NOTE: Drivers usually do a blit to convert between tiled and linear
1923 * texture layouts during texture uploads/downloads, so the blit
1924 * we do here should be free in such cases.
1927 st_GetTexSubImage(struct gl_context
* ctx
,
1928 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1929 GLsizei width
, GLsizei height
, GLint depth
,
1930 GLenum format
, GLenum type
, void * pixels
,
1931 struct gl_texture_image
*texImage
)
1933 struct st_context
*st
= st_context(ctx
);
1934 struct pipe_context
*pipe
= st
->pipe
;
1935 struct pipe_screen
*screen
= pipe
->screen
;
1936 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1937 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1938 struct pipe_resource
*src
= stObj
->pt
;
1939 struct pipe_resource
*dst
= NULL
;
1940 struct pipe_resource dst_templ
;
1941 enum pipe_format dst_format
, src_format
;
1942 mesa_format mesa_format
;
1943 GLenum gl_target
= texImage
->TexObject
->Target
;
1944 enum pipe_texture_target pipe_target
;
1945 struct pipe_blit_info blit
;
1946 unsigned bind
= PIPE_BIND_TRANSFER_READ
;
1947 struct pipe_transfer
*tex_xfer
;
1949 boolean done
= FALSE
;
1951 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1952 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1954 if (!st
->prefer_blit_based_texture_transfer
&&
1955 !_mesa_is_format_compressed(texImage
->TexFormat
)) {
1956 /* Try to avoid the fallback if we're doing texture decompression here */
1960 /* Handle non-finalized textures. */
1961 if (!stImage
->pt
|| stImage
->pt
!= stObj
->pt
|| !src
) {
1965 /* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
1966 * due to an incomplete stencil blit implementation in some drivers. */
1967 if (format
== GL_DEPTH_STENCIL
|| format
== GL_STENCIL_INDEX
) {
1971 /* If the base internal format and the texture format don't match, we have
1972 * to fall back to _mesa_GetTexImage_sw. */
1973 if (texImage
->_BaseFormat
!=
1974 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1978 /* See if the texture format already matches the format and type,
1979 * in which case the memcpy-based fast path will be used. */
1980 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1981 type
, ctx
->Pack
.SwapBytes
, NULL
)) {
1985 /* Convert the source format to what is expected by GetTexImage
1986 * and see if it's supported.
1988 * This only applies to glGetTexImage:
1989 * - Luminance must be returned as (L,0,0,1).
1990 * - Luminance alpha must be returned as (L,0,0,A).
1991 * - Intensity must be returned as (I,0,0,1)
1993 if (stObj
->surface_based
)
1994 src_format
= util_format_linear(stObj
->surface_format
);
1996 src_format
= util_format_linear(src
->format
);
1997 src_format
= util_format_luminance_to_red(src_format
);
1998 src_format
= util_format_intensity_to_red(src_format
);
2001 !screen
->is_format_supported(screen
, src_format
, src
->target
,
2003 PIPE_BIND_SAMPLER_VIEW
)) {
2007 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
2008 bind
|= PIPE_BIND_DEPTH_STENCIL
;
2010 bind
|= PIPE_BIND_RENDER_TARGET
;
2012 /* GetTexImage only returns a single face for cubemaps. */
2013 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
2014 gl_target
= GL_TEXTURE_2D
;
2016 pipe_target
= gl_target_to_pipe(gl_target
);
2018 /* Choose the destination format by finding the best match
2019 * for the format+type combo. */
2020 dst_format
= st_choose_matching_format(st
, bind
, format
, type
,
2021 ctx
->Pack
.SwapBytes
);
2023 if (dst_format
== PIPE_FORMAT_NONE
) {
2024 GLenum dst_glformat
;
2026 /* Fall back to _mesa_GetTexImage_sw except for compressed formats,
2027 * where decompression with a blit is always preferred. */
2028 if (!util_format_is_compressed(src
->format
)) {
2032 /* Set the appropriate format for the decompressed texture.
2033 * Luminance and sRGB formats shouldn't appear here.*/
2034 switch (src_format
) {
2035 case PIPE_FORMAT_DXT1_RGB
:
2036 case PIPE_FORMAT_DXT1_RGBA
:
2037 case PIPE_FORMAT_DXT3_RGBA
:
2038 case PIPE_FORMAT_DXT5_RGBA
:
2039 case PIPE_FORMAT_RGTC1_UNORM
:
2040 case PIPE_FORMAT_RGTC2_UNORM
:
2041 case PIPE_FORMAT_ETC1_RGB8
:
2042 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
2043 dst_glformat
= GL_RGBA8
;
2045 case PIPE_FORMAT_RGTC1_SNORM
:
2046 case PIPE_FORMAT_RGTC2_SNORM
:
2047 if (!ctx
->Extensions
.EXT_texture_snorm
)
2049 dst_glformat
= GL_RGBA8_SNORM
;
2051 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
2052 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
2053 if (!ctx
->Extensions
.ARB_texture_float
)
2055 dst_glformat
= GL_RGBA32F
;
2062 dst_format
= st_choose_format(st
, dst_glformat
, format
, type
,
2063 pipe_target
, 0, bind
, FALSE
);
2065 if (dst_format
== PIPE_FORMAT_NONE
) {
2066 /* unable to get an rgba format!?! */
2071 /* create the destination texture of size (width X height X depth) */
2072 memset(&dst_templ
, 0, sizeof(dst_templ
));
2073 dst_templ
.target
= pipe_target
;
2074 dst_templ
.format
= dst_format
;
2075 dst_templ
.bind
= bind
;
2076 dst_templ
.usage
= PIPE_USAGE_STAGING
;
2078 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
2079 &dst_templ
.width0
, &dst_templ
.height0
,
2080 &dst_templ
.depth0
, &dst_templ
.array_size
);
2082 dst
= screen
->resource_create(screen
, &dst_templ
);
2087 /* From now on, we need the gallium representation of dimensions. */
2088 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2095 assert(texImage
->Face
== 0 ||
2096 texImage
->TexObject
->MinLayer
== 0 ||
2099 memset(&blit
, 0, sizeof(blit
));
2100 blit
.src
.resource
= src
;
2101 blit
.src
.level
= texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2102 blit
.src
.format
= src_format
;
2103 blit
.dst
.resource
= dst
;
2105 blit
.dst
.format
= dst
->format
;
2106 blit
.src
.box
.x
= xoffset
;
2108 blit
.src
.box
.y
= yoffset
;
2110 blit
.src
.box
.z
= texImage
->Face
+ texImage
->TexObject
->MinLayer
+ zoffset
;
2112 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
2113 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
2114 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
2115 blit
.mask
= st_get_blit_mask(texImage
->_BaseFormat
, format
);
2116 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2117 blit
.scissor_enable
= FALSE
;
2119 /* blit/render/decompress */
2120 st
->pipe
->blit(st
->pipe
, &blit
);
2122 pixels
= _mesa_map_pbo_dest(ctx
, &ctx
->Pack
, pixels
);
2124 map
= pipe_transfer_map_3d(pipe
, dst
, 0, PIPE_TRANSFER_READ
,
2125 0, 0, 0, width
, height
, depth
, &tex_xfer
);
2130 mesa_format
= st_pipe_format_to_mesa_format(dst_format
);
2132 /* copy/pack data into user buffer */
2133 if (_mesa_format_matches_format_and_type(mesa_format
, format
, type
,
2134 ctx
->Pack
.SwapBytes
, NULL
)) {
2136 const uint bytesPerRow
= width
* util_format_get_blocksize(dst_format
);
2139 for (slice
= 0; slice
< depth
; slice
++) {
2140 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2141 /* 1D array textures.
2142 * We need to convert gallium coords to GL coords.
2144 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2145 width
, depth
, format
,
2147 memcpy(dest
, map
, bytesPerRow
);
2150 ubyte
*slice_map
= map
;
2152 for (row
= 0; row
< height
; row
++) {
2153 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2154 width
, height
, format
,
2155 type
, slice
, row
, 0);
2156 memcpy(dest
, slice_map
, bytesPerRow
);
2157 slice_map
+= tex_xfer
->stride
;
2160 map
+= tex_xfer
->layer_stride
;
2164 /* format translation via floats */
2167 uint32_t dstMesaFormat
;
2168 int dstStride
, srcStride
;
2170 assert(util_format_is_compressed(src
->format
));
2172 rgba
= malloc(width
* 4 * sizeof(GLfloat
));
2177 if (ST_DEBUG
& DEBUG_FALLBACK
)
2178 debug_printf("%s: fallback format translation\n", __func__
);
2180 dstMesaFormat
= _mesa_format_from_format_and_type(format
, type
);
2181 dstStride
= _mesa_image_row_stride(&ctx
->Pack
, width
, format
, type
);
2182 srcStride
= 4 * width
* sizeof(GLfloat
);
2183 for (slice
= 0; slice
< depth
; slice
++) {
2184 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2185 /* 1D array textures.
2186 * We need to convert gallium coords to GL coords.
2188 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2189 width
, depth
, format
,
2192 /* get float[4] rgba row from surface */
2193 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, 0, width
, 1,
2196 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2197 rgba
, RGBA32_FLOAT
, srcStride
,
2201 for (row
= 0; row
< height
; row
++) {
2202 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2203 width
, height
, format
,
2204 type
, slice
, row
, 0);
2206 /* get float[4] rgba row from surface */
2207 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, row
, width
, 1,
2210 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2211 rgba
, RGBA32_FLOAT
, srcStride
,
2215 map
+= tex_xfer
->layer_stride
;
2224 pipe_transfer_unmap(pipe
, tex_xfer
);
2226 _mesa_unmap_pbo_dest(ctx
, &ctx
->Pack
);
2227 pipe_resource_reference(&dst
, NULL
);
2231 _mesa_GetTexSubImage_sw(ctx
, xoffset
, yoffset
, zoffset
,
2232 width
, height
, depth
,
2233 format
, type
, pixels
, texImage
);
2239 * Do a CopyTexSubImage operation using a read transfer from the source,
2240 * a write transfer to the destination and get_tile()/put_tile() to access
2241 * the pixels/texels.
2243 * Note: srcY=0=TOP of renderbuffer
2246 fallback_copy_texsubimage(struct gl_context
*ctx
,
2247 struct st_renderbuffer
*strb
,
2248 struct st_texture_image
*stImage
,
2250 GLint destX
, GLint destY
, GLint slice
,
2251 GLint srcX
, GLint srcY
,
2252 GLsizei width
, GLsizei height
)
2254 struct st_context
*st
= st_context(ctx
);
2255 struct pipe_context
*pipe
= st
->pipe
;
2256 struct pipe_transfer
*src_trans
;
2258 enum pipe_transfer_usage transfer_usage
;
2260 unsigned dst_width
= width
;
2261 unsigned dst_height
= height
;
2262 unsigned dst_depth
= 1;
2263 struct pipe_transfer
*transfer
;
2265 if (ST_DEBUG
& DEBUG_FALLBACK
)
2266 debug_printf("%s: fallback processing\n", __func__
);
2268 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2269 srcY
= strb
->Base
.Height
- srcY
- height
;
2272 map
= pipe_transfer_map(pipe
,
2274 strb
->surface
->u
.tex
.level
,
2275 strb
->surface
->u
.tex
.first_layer
,
2278 width
, height
, &src_trans
);
2280 if ((baseFormat
== GL_DEPTH_COMPONENT
||
2281 baseFormat
== GL_DEPTH_STENCIL
) &&
2282 util_format_is_depth_and_stencil(stImage
->pt
->format
))
2283 transfer_usage
= PIPE_TRANSFER_READ_WRITE
;
2285 transfer_usage
= PIPE_TRANSFER_WRITE
;
2287 texDest
= st_texture_image_map(st
, stImage
, transfer_usage
,
2288 destX
, destY
, slice
,
2289 dst_width
, dst_height
, dst_depth
,
2292 if (baseFormat
== GL_DEPTH_COMPONENT
||
2293 baseFormat
== GL_DEPTH_STENCIL
) {
2294 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
2295 ctx
->Pixel
.DepthBias
!= 0.0F
);
2299 /* determine bottom-to-top vs. top-to-bottom order for src buffer */
2300 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2309 data
= malloc(width
* sizeof(uint
));
2312 /* To avoid a large temp memory allocation, do copy row by row */
2313 for (row
= 0; row
< height
; row
++, srcY
+= yStep
) {
2314 pipe_get_tile_z(src_trans
, map
, 0, srcY
, width
, 1, data
);
2316 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
2319 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2320 pipe_put_tile_z(transfer
, texDest
+ row
*transfer
->layer_stride
,
2321 0, 0, width
, 1, data
);
2324 pipe_put_tile_z(transfer
, texDest
, 0, row
, width
, 1, data
);
2329 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexSubImage()");
2337 malloc(width
* height
* 4 * sizeof(GLfloat
));
2339 if (tempSrc
&& texDest
) {
2340 const GLint dims
= 2;
2342 struct gl_texture_image
*texImage
= &stImage
->base
;
2343 struct gl_pixelstore_attrib unpack
= ctx
->DefaultPacking
;
2345 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2346 unpack
.Invert
= GL_TRUE
;
2349 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2350 dstRowStride
= transfer
->layer_stride
;
2353 dstRowStride
= transfer
->stride
;
2356 /* get float/RGBA image from framebuffer */
2357 /* XXX this usually involves a lot of int/float conversion.
2358 * try to avoid that someday.
2360 pipe_get_tile_rgba_format(src_trans
, map
, 0, 0, width
, height
,
2361 util_format_linear(strb
->texture
->format
),
2364 /* Store into texture memory.
2365 * Note that this does some special things such as pixel transfer
2366 * ops and format conversion. In particular, if the dest tex format
2367 * is actually RGBA but the user created the texture as GL_RGB we
2368 * need to fill-in/override the alpha channel with 1.0.
2370 _mesa_texstore(ctx
, dims
,
2371 texImage
->_BaseFormat
,
2372 texImage
->TexFormat
,
2376 GL_RGBA
, GL_FLOAT
, tempSrc
, /* src */
2380 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
2386 st_texture_image_unmap(st
, stImage
, slice
);
2387 pipe
->transfer_unmap(pipe
, src_trans
);
2392 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
2393 * Note that the region to copy has already been clipped so we know we
2394 * won't read from outside the source renderbuffer's bounds.
2396 * Note: srcY=0=Bottom of renderbuffer (GL convention)
2399 st_CopyTexSubImage(struct gl_context
*ctx
, GLuint dims
,
2400 struct gl_texture_image
*texImage
,
2401 GLint destX
, GLint destY
, GLint slice
,
2402 struct gl_renderbuffer
*rb
,
2403 GLint srcX
, GLint srcY
, GLsizei width
, GLsizei height
)
2405 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2406 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
2407 struct st_renderbuffer
*strb
= st_renderbuffer(rb
);
2408 struct st_context
*st
= st_context(ctx
);
2409 struct pipe_context
*pipe
= st
->pipe
;
2410 struct pipe_screen
*screen
= pipe
->screen
;
2411 struct pipe_blit_info blit
;
2412 enum pipe_format dst_format
;
2413 GLboolean do_flip
= (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
);
2417 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
2418 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
2420 if (!strb
|| !strb
->surface
|| !stImage
->pt
) {
2421 debug_printf("%s: null strb or stImage\n", __func__
);
2425 if (_mesa_texstore_needs_transfer_ops(ctx
, texImage
->_BaseFormat
,
2426 texImage
->TexFormat
)) {
2430 /* The base internal format must match the mesa format, so make sure
2431 * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
2433 if (texImage
->_BaseFormat
!=
2434 _mesa_get_format_base_format(texImage
->TexFormat
) ||
2435 rb
->_BaseFormat
!= _mesa_get_format_base_format(rb
->Format
)) {
2439 /* Choose the destination format to match the TexImage behavior. */
2440 dst_format
= util_format_linear(stImage
->pt
->format
);
2441 dst_format
= util_format_luminance_to_red(dst_format
);
2442 dst_format
= util_format_intensity_to_red(dst_format
);
2444 /* See if the destination format is supported. */
2445 if (texImage
->_BaseFormat
== GL_DEPTH_STENCIL
||
2446 texImage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2447 bind
= PIPE_BIND_DEPTH_STENCIL
;
2450 bind
= PIPE_BIND_RENDER_TARGET
;
2454 !screen
->is_format_supported(screen
, dst_format
, stImage
->pt
->target
,
2455 stImage
->pt
->nr_samples
, bind
)) {
2459 /* Y flipping for the main framebuffer. */
2461 srcY1
= strb
->Base
.Height
- srcY
- height
;
2462 srcY0
= srcY1
+ height
;
2466 srcY1
= srcY0
+ height
;
2469 /* Blit the texture.
2470 * This supports flipping, format conversions, and downsampling.
2472 memset(&blit
, 0, sizeof(blit
));
2473 blit
.src
.resource
= strb
->texture
;
2474 blit
.src
.format
= util_format_linear(strb
->surface
->format
);
2475 blit
.src
.level
= strb
->surface
->u
.tex
.level
;
2476 blit
.src
.box
.x
= srcX
;
2477 blit
.src
.box
.y
= srcY0
;
2478 blit
.src
.box
.z
= strb
->surface
->u
.tex
.first_layer
;
2479 blit
.src
.box
.width
= width
;
2480 blit
.src
.box
.height
= srcY1
- srcY0
;
2481 blit
.src
.box
.depth
= 1;
2482 blit
.dst
.resource
= stImage
->pt
;
2483 blit
.dst
.format
= dst_format
;
2484 blit
.dst
.level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2485 blit
.dst
.box
.x
= destX
;
2486 blit
.dst
.box
.y
= destY
;
2487 blit
.dst
.box
.z
= stImage
->base
.Face
+ slice
+ texImage
->TexObject
->MinLayer
;
2488 blit
.dst
.box
.width
= width
;
2489 blit
.dst
.box
.height
= height
;
2490 blit
.dst
.box
.depth
= 1;
2491 blit
.mask
= st_get_blit_mask(rb
->_BaseFormat
, texImage
->_BaseFormat
);
2492 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2493 pipe
->blit(pipe
, &blit
);
2497 /* software fallback */
2498 fallback_copy_texsubimage(ctx
,
2499 strb
, stImage
, texImage
->_BaseFormat
,
2500 destX
, destY
, slice
,
2501 srcX
, srcY
, width
, height
);
2506 * Copy image data from stImage into the texture object 'stObj' at level
2510 copy_image_data_to_texture(struct st_context
*st
,
2511 struct st_texture_object
*stObj
,
2513 struct st_texture_image
*stImage
)
2517 const struct gl_texture_image
*dstImage
=
2518 stObj
->base
.Image
[stImage
->base
.Face
][dstLevel
];
2520 assert(dstImage
->Width
== stImage
->base
.Width
);
2521 assert(dstImage
->Height
== stImage
->base
.Height
);
2522 assert(dstImage
->Depth
== stImage
->base
.Depth
);
2526 /* Copy potentially with the blitter:
2529 if (stImage
->pt
->last_level
== 0)
2532 src_level
= stImage
->base
.Level
;
2534 assert(src_level
<= stImage
->pt
->last_level
);
2535 assert(u_minify(stImage
->pt
->width0
, src_level
) == stImage
->base
.Width
);
2536 assert(stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
||
2537 u_minify(stImage
->pt
->height0
, src_level
) == stImage
->base
.Height
);
2538 assert(stImage
->pt
->target
== PIPE_TEXTURE_2D_ARRAY
||
2539 stImage
->pt
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
2540 u_minify(stImage
->pt
->depth0
, src_level
) == stImage
->base
.Depth
);
2542 st_texture_image_copy(st
->pipe
,
2543 stObj
->pt
, dstLevel
, /* dest texture, level */
2544 stImage
->pt
, src_level
, /* src texture, level */
2545 stImage
->base
.Face
);
2547 pipe_resource_reference(&stImage
->pt
, NULL
);
2549 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2554 * Called during state validation. When this function is finished,
2555 * the texture object should be ready for rendering.
2556 * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
2559 st_finalize_texture(struct gl_context
*ctx
,
2560 struct pipe_context
*pipe
,
2561 struct gl_texture_object
*tObj
)
2563 struct st_context
*st
= st_context(ctx
);
2564 struct st_texture_object
*stObj
= st_texture_object(tObj
);
2565 const GLuint nr_faces
= _mesa_num_tex_faces(stObj
->base
.Target
);
2567 const struct st_texture_image
*firstImage
;
2568 enum pipe_format firstImageFormat
;
2569 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, ptNumSamples
;
2571 if (tObj
->Immutable
)
2574 if (_mesa_is_texture_complete(tObj
, &tObj
->Sampler
)) {
2575 /* The texture is complete and we know exactly how many mipmap levels
2576 * are present/needed. This is conditional because we may be called
2577 * from the st_generate_mipmap() function when the texture object is
2578 * incomplete. In that case, we'll have set stObj->lastLevel before
2581 if (stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
||
2582 stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
)
2583 stObj
->lastLevel
= stObj
->base
.BaseLevel
;
2585 stObj
->lastLevel
= stObj
->base
._MaxLevel
;
2588 if (tObj
->Target
== GL_TEXTURE_BUFFER
) {
2589 struct st_buffer_object
*st_obj
= st_buffer_object(tObj
->BufferObject
);
2592 pipe_resource_reference(&stObj
->pt
, NULL
);
2593 st_texture_release_all_sampler_views(st
, stObj
);
2597 if (st_obj
->buffer
!= stObj
->pt
) {
2598 pipe_resource_reference(&stObj
->pt
, st_obj
->buffer
);
2599 st_texture_release_all_sampler_views(st
, stObj
);
2600 stObj
->width0
= stObj
->pt
->width0
/ _mesa_get_format_bytes(tObj
->_BufferObjectFormat
);
2608 firstImage
= st_texture_image_const(_mesa_base_tex_image(&stObj
->base
));
2611 /* If both firstImage and stObj point to a texture which can contain
2612 * all active images, favour firstImage. Note that because of the
2613 * completeness requirement, we know that the image dimensions
2616 if (firstImage
->pt
&&
2617 firstImage
->pt
!= stObj
->pt
&&
2618 (!stObj
->pt
|| firstImage
->pt
->last_level
>= stObj
->pt
->last_level
)) {
2619 pipe_resource_reference(&stObj
->pt
, firstImage
->pt
);
2620 st_texture_release_all_sampler_views(st
, stObj
);
2623 /* If this texture comes from a window system, there is nothing else to do. */
2624 if (stObj
->surface_based
) {
2628 /* Find gallium format for the Mesa texture */
2630 st_mesa_format_to_pipe_format(st
, firstImage
->base
.TexFormat
);
2632 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */
2634 GLuint width
, height
, depth
;
2635 if (!guess_base_level_size(stObj
->base
.Target
,
2636 firstImage
->base
.Width2
,
2637 firstImage
->base
.Height2
,
2638 firstImage
->base
.Depth2
,
2639 firstImage
->base
.Level
,
2640 &width
, &height
, &depth
)) {
2641 width
= stObj
->width0
;
2642 height
= stObj
->height0
;
2643 depth
= stObj
->depth0
;
2645 /* The width/height/depth may have been previously reset in
2646 * guess_and_alloc_texture. */
2647 stObj
->width0
= width
;
2648 stObj
->height0
= height
;
2649 stObj
->depth0
= depth
;
2651 /* convert GL dims to Gallium dims */
2652 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
, width
, height
, depth
,
2653 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2654 ptNumSamples
= firstImage
->base
.NumSamples
;
2657 /* If we already have a gallium texture, check that it matches the texture
2658 * object's format, target, size, num_levels, etc.
2661 if (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
2662 stObj
->pt
->format
!= firstImageFormat
||
2663 stObj
->pt
->last_level
< stObj
->lastLevel
||
2664 stObj
->pt
->width0
!= ptWidth
||
2665 stObj
->pt
->height0
!= ptHeight
||
2666 stObj
->pt
->depth0
!= ptDepth
||
2667 stObj
->pt
->nr_samples
!= ptNumSamples
||
2668 stObj
->pt
->array_size
!= ptLayers
)
2670 /* The gallium texture does not match the Mesa texture so delete the
2671 * gallium texture now. We'll make a new one below.
2673 pipe_resource_reference(&stObj
->pt
, NULL
);
2674 st_texture_release_all_sampler_views(st
, stObj
);
2675 st
->dirty
.st
|= ST_NEW_FRAMEBUFFER
;
2679 /* May need to create a new gallium texture:
2682 GLuint bindings
= default_bindings(st
, firstImageFormat
);
2684 stObj
->pt
= st_texture_create(st
,
2685 gl_target_to_pipe(stObj
->base
.Target
),
2691 ptLayers
, ptNumSamples
,
2695 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
2700 /* Pull in any images not in the object's texture:
2702 for (face
= 0; face
< nr_faces
; face
++) {
2704 for (level
= stObj
->base
.BaseLevel
; level
<= stObj
->lastLevel
; level
++) {
2705 struct st_texture_image
*stImage
=
2706 st_texture_image(stObj
->base
.Image
[face
][level
]);
2708 /* Need to import images in main memory or held in other textures.
2710 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
2711 GLuint height
= stObj
->height0
;
2712 GLuint depth
= stObj
->depth0
;
2714 if (stObj
->base
.Target
!= GL_TEXTURE_1D_ARRAY
)
2715 height
= u_minify(height
, level
);
2716 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
2717 depth
= u_minify(depth
, level
);
2720 (stImage
->base
.Width
== u_minify(stObj
->width0
, level
) &&
2721 stImage
->base
.Height
== height
&&
2722 stImage
->base
.Depth
== depth
)) {
2723 /* src image fits expected dest mipmap level size */
2724 copy_image_data_to_texture(st
, stObj
, level
, stImage
);
2735 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
2736 * for a whole mipmap stack.
2739 st_AllocTextureStorage(struct gl_context
*ctx
,
2740 struct gl_texture_object
*texObj
,
2741 GLsizei levels
, GLsizei width
,
2742 GLsizei height
, GLsizei depth
)
2744 const GLuint numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2745 struct gl_texture_image
*texImage
= texObj
->Image
[0][0];
2746 struct st_context
*st
= st_context(ctx
);
2747 struct st_texture_object
*stObj
= st_texture_object(texObj
);
2748 struct pipe_screen
*screen
= st
->pipe
->screen
;
2749 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, bindings
;
2750 enum pipe_format fmt
;
2752 GLuint num_samples
= texImage
->NumSamples
;
2756 /* Save the level=0 dimensions */
2757 stObj
->width0
= width
;
2758 stObj
->height0
= height
;
2759 stObj
->depth0
= depth
;
2760 stObj
->lastLevel
= levels
- 1;
2762 fmt
= st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
2764 bindings
= default_bindings(st
, fmt
);
2766 /* Raise the sample count if the requested one is unsupported. */
2767 if (num_samples
> 1) {
2768 boolean found
= FALSE
;
2770 for (; num_samples
<= ctx
->Const
.MaxSamples
; num_samples
++) {
2771 if (screen
->is_format_supported(screen
, fmt
, PIPE_TEXTURE_2D
,
2773 PIPE_BIND_SAMPLER_VIEW
)) {
2774 /* Update the sample count in gl_texture_image as well. */
2775 texImage
->NumSamples
= num_samples
;
2786 st_gl_texture_dims_to_pipe_dims(texObj
->Target
,
2787 width
, height
, depth
,
2788 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2790 stObj
->pt
= st_texture_create(st
,
2791 gl_target_to_pipe(texObj
->Target
),
2797 ptLayers
, num_samples
,
2802 /* Set image resource pointers */
2803 for (level
= 0; level
< levels
; level
++) {
2805 for (face
= 0; face
< numFaces
; face
++) {
2806 struct st_texture_image
*stImage
=
2807 st_texture_image(texObj
->Image
[face
][level
]);
2808 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2817 st_TestProxyTexImage(struct gl_context
*ctx
, GLenum target
,
2818 GLint level
, mesa_format format
,
2819 GLint width
, GLint height
,
2820 GLint depth
, GLint border
)
2822 struct st_context
*st
= st_context(ctx
);
2823 struct pipe_context
*pipe
= st
->pipe
;
2825 if (width
== 0 || height
== 0 || depth
== 0) {
2826 /* zero-sized images are legal, and always fit! */
2830 if (pipe
->screen
->can_create_resource
) {
2831 /* Ask the gallium driver if the texture is too large */
2832 struct gl_texture_object
*texObj
=
2833 _mesa_get_current_tex_object(ctx
, target
);
2834 struct pipe_resource pt
;
2836 /* Setup the pipe_resource object
2838 memset(&pt
, 0, sizeof(pt
));
2840 pt
.target
= gl_target_to_pipe(target
);
2841 pt
.format
= st_mesa_format_to_pipe_format(st
, format
);
2843 st_gl_texture_dims_to_pipe_dims(target
,
2844 width
, height
, depth
,
2845 &pt
.width0
, &pt
.height0
,
2846 &pt
.depth0
, &pt
.array_size
);
2848 if (level
== 0 && (texObj
->Sampler
.MinFilter
== GL_LINEAR
||
2849 texObj
->Sampler
.MinFilter
== GL_NEAREST
)) {
2850 /* assume just one mipmap level */
2854 /* assume a full set of mipmaps */
2855 pt
.last_level
= _mesa_logbase2(MAX3(width
, height
, depth
));
2858 return pipe
->screen
->can_create_resource(pipe
->screen
, &pt
);
2861 /* Use core Mesa fallback */
2862 return _mesa_test_proxy_teximage(ctx
, target
, level
, format
,
2863 width
, height
, depth
, border
);
2868 st_TextureView(struct gl_context
*ctx
,
2869 struct gl_texture_object
*texObj
,
2870 struct gl_texture_object
*origTexObj
)
2872 struct st_texture_object
*orig
= st_texture_object(origTexObj
);
2873 struct st_texture_object
*tex
= st_texture_object(texObj
);
2874 struct gl_texture_image
*image
= texObj
->Image
[0][0];
2876 const int numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2877 const int numLevels
= texObj
->NumLevels
;
2882 pipe_resource_reference(&tex
->pt
, orig
->pt
);
2884 /* Set image resource pointers */
2885 for (level
= 0; level
< numLevels
; level
++) {
2886 for (face
= 0; face
< numFaces
; face
++) {
2887 struct st_texture_image
*stImage
=
2888 st_texture_image(texObj
->Image
[face
][level
]);
2889 pipe_resource_reference(&stImage
->pt
, tex
->pt
);
2893 tex
->surface_based
= GL_TRUE
;
2894 tex
->surface_format
=
2895 st_mesa_format_to_pipe_format(st_context(ctx
), image
->TexFormat
);
2897 tex
->width0
= image
->Width
;
2898 tex
->height0
= image
->Height
;
2899 tex
->depth0
= image
->Depth
;
2900 tex
->lastLevel
= numLevels
- 1;
2906 st_ClearTexSubImage(struct gl_context
*ctx
,
2907 struct gl_texture_image
*texImage
,
2908 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2909 GLsizei width
, GLsizei height
, GLsizei depth
,
2910 const void *clearValue
)
2912 static const char zeros
[16] = {0};
2913 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2914 struct pipe_resource
*pt
= stImage
->pt
;
2915 struct st_context
*st
= st_context(ctx
);
2916 struct pipe_context
*pipe
= st
->pipe
;
2917 unsigned level
= texImage
->Level
;
2918 struct pipe_box box
;
2923 u_box_3d(xoffset
, yoffset
, zoffset
+ texImage
->Face
,
2924 width
, height
, depth
, &box
);
2925 if (texImage
->TexObject
->Immutable
) {
2926 level
+= texImage
->TexObject
->MinLevel
;
2927 box
.z
+= texImage
->TexObject
->MinLayer
;
2930 pipe
->clear_texture(pipe
, pt
, level
, &box
, clearValue
? clearValue
: zeros
);
2934 st_init_texture_functions(struct dd_function_table
*functions
)
2936 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
2937 functions
->QueryInternalFormat
= st_QueryInternalFormat
;
2938 functions
->TexImage
= st_TexImage
;
2939 functions
->TexSubImage
= st_TexSubImage
;
2940 functions
->CompressedTexSubImage
= st_CompressedTexSubImage
;
2941 functions
->CopyTexSubImage
= st_CopyTexSubImage
;
2942 functions
->GenerateMipmap
= st_generate_mipmap
;
2944 functions
->GetTexSubImage
= st_GetTexSubImage
;
2946 /* compressed texture functions */
2947 functions
->CompressedTexImage
= st_CompressedTexImage
;
2948 functions
->GetCompressedTexSubImage
= _mesa_GetCompressedTexSubImage_sw
;
2950 functions
->NewTextureObject
= st_NewTextureObject
;
2951 functions
->NewTextureImage
= st_NewTextureImage
;
2952 functions
->DeleteTextureImage
= st_DeleteTextureImage
;
2953 functions
->DeleteTexture
= st_DeleteTextureObject
;
2954 functions
->AllocTextureImageBuffer
= st_AllocTextureImageBuffer
;
2955 functions
->FreeTextureImageBuffer
= st_FreeTextureImageBuffer
;
2956 functions
->MapTextureImage
= st_MapTextureImage
;
2957 functions
->UnmapTextureImage
= st_UnmapTextureImage
;
2959 /* XXX Temporary until we can query pipe's texture sizes */
2960 functions
->TestProxyTexImage
= st_TestProxyTexImage
;
2962 functions
->AllocTextureStorage
= st_AllocTextureStorage
;
2963 functions
->TextureView
= st_TextureView
;
2964 functions
->ClearTexSubImage
= st_ClearTexSubImage
;