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 create_pbo_upload_fs(struct st_context
*st
)
1076 struct pipe_context
*pipe
= st
->pipe
;
1077 struct pipe_screen
*screen
= pipe
->screen
;
1078 struct ureg_program
*ureg
;
1079 struct ureg_dst out
;
1080 struct ureg_src sampler
;
1081 struct ureg_src pos
;
1082 struct ureg_src layer
;
1083 struct ureg_src const0
;
1084 struct ureg_dst temp0
;
1086 ureg
= ureg_create(PIPE_SHADER_FRAGMENT
);
1090 out
= ureg_DECL_output(ureg
, TGSI_SEMANTIC_COLOR
, 0);
1091 sampler
= ureg_DECL_sampler(ureg
, 0);
1092 if (screen
->get_param(screen
, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
)) {
1093 pos
= ureg_DECL_system_value(ureg
, TGSI_SEMANTIC_POSITION
, 0);
1095 pos
= ureg_DECL_fs_input(ureg
, TGSI_SEMANTIC_POSITION
, 0,
1096 TGSI_INTERPOLATE_LINEAR
);
1098 if (st
->pbo_upload
.upload_layers
) {
1099 layer
= ureg_DECL_fs_input(ureg
, TGSI_SEMANTIC_LAYER
, 0,
1100 TGSI_INTERPOLATE_CONSTANT
);
1102 const0
= ureg_DECL_constant(ureg
, 0);
1103 temp0
= ureg_DECL_temporary(ureg
);
1105 /* Note: const0 = [ -xoffset + skip_pixels, -yoffset, stride, image_height ] */
1107 /* temp0.xy = f2i(temp0.xy) */
1108 ureg_F2I(ureg
, ureg_writemask(temp0
, TGSI_WRITEMASK_XY
),
1110 TGSI_SWIZZLE_X
, TGSI_SWIZZLE_Y
,
1111 TGSI_SWIZZLE_Y
, TGSI_SWIZZLE_Y
));
1113 /* temp0.xy = temp0.xy + const0.xy */
1114 ureg_UADD(ureg
, ureg_writemask(temp0
, TGSI_WRITEMASK_XY
),
1115 ureg_swizzle(ureg_src(temp0
),
1116 TGSI_SWIZZLE_X
, TGSI_SWIZZLE_Y
,
1117 TGSI_SWIZZLE_Y
, TGSI_SWIZZLE_Y
),
1118 ureg_swizzle(const0
,
1119 TGSI_SWIZZLE_X
, TGSI_SWIZZLE_Y
,
1120 TGSI_SWIZZLE_Y
, TGSI_SWIZZLE_Y
));
1122 /* temp0.x = const0.z * temp0.y + temp0.x */
1123 ureg_UMAD(ureg
, ureg_writemask(temp0
, TGSI_WRITEMASK_X
),
1124 ureg_scalar(const0
, TGSI_SWIZZLE_Z
),
1125 ureg_scalar(ureg_src(temp0
), TGSI_SWIZZLE_Y
),
1126 ureg_scalar(ureg_src(temp0
), TGSI_SWIZZLE_X
));
1128 if (st
->pbo_upload
.upload_layers
) {
1129 /* temp0.x = const0.w * layer + temp0.x */
1130 ureg_UMAD(ureg
, ureg_writemask(temp0
, TGSI_WRITEMASK_X
),
1131 ureg_scalar(const0
, TGSI_SWIZZLE_W
),
1132 ureg_scalar(layer
, TGSI_SWIZZLE_X
),
1133 ureg_scalar(ureg_src(temp0
), TGSI_SWIZZLE_X
));
1137 ureg_MOV(ureg
, ureg_writemask(temp0
, TGSI_WRITEMASK_W
), ureg_imm1u(ureg
, 0));
1139 /* out = txf(sampler, temp0.x) */
1140 ureg_TXF(ureg
, out
, TGSI_TEXTURE_BUFFER
, ureg_src(temp0
), sampler
);
1142 ureg_release_temporary(ureg
, temp0
);
1146 return ureg_create_shader_and_destroy(ureg
, pipe
);
1150 try_pbo_upload_common(struct gl_context
*ctx
,
1151 struct pipe_surface
*surface
,
1152 int xoffset
, int yoffset
,
1153 unsigned upload_width
, unsigned upload_height
,
1154 struct pipe_resource
*buffer
,
1155 enum pipe_format src_format
,
1156 intptr_t buf_offset
,
1157 unsigned bytes_per_pixel
,
1159 unsigned image_height
)
1161 struct st_context
*st
= st_context(ctx
);
1162 struct cso_context
*cso
= st
->cso_context
;
1163 struct pipe_context
*pipe
= st
->pipe
;
1164 unsigned depth
= surface
->u
.tex
.last_layer
- surface
->u
.tex
.first_layer
+ 1;
1165 unsigned skip_pixels
= 0;
1166 bool success
= false;
1168 /* Check alignment. */
1170 unsigned ofs
= (buf_offset
* bytes_per_pixel
) % ctx
->Const
.TextureBufferOffsetAlignment
;
1172 if (ofs
% bytes_per_pixel
!= 0)
1175 skip_pixels
= ofs
/ bytes_per_pixel
;
1176 buf_offset
-= skip_pixels
;
1180 /* Create the shaders */
1181 if (!st
->pbo_upload
.vs
) {
1182 st
->pbo_upload
.vs
= st_pbo_create_vs(st
);
1183 if (!st
->pbo_upload
.vs
)
1187 if (depth
!= 1 && st
->pbo_upload
.use_gs
&& !st
->pbo_upload
.gs
) {
1188 st
->pbo_upload
.gs
= st_pbo_create_gs(st
);
1189 if (!st
->pbo_upload
.gs
)
1193 if (!st
->pbo_upload
.fs
) {
1194 st
->pbo_upload
.fs
= create_pbo_upload_fs(st
);
1195 if (!st
->pbo_upload
.fs
)
1199 cso_save_state(cso
, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
1200 CSO_BIT_FRAGMENT_SAMPLERS
|
1201 CSO_BIT_VERTEX_ELEMENTS
|
1202 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
1203 CSO_BIT_FRAMEBUFFER
|
1206 CSO_BIT_DEPTH_STENCIL_ALPHA
|
1207 CSO_BIT_RASTERIZER
|
1208 CSO_BIT_STREAM_OUTPUTS
|
1209 CSO_BIT_PAUSE_QUERIES
|
1210 CSO_BITS_ALL_SHADERS
));
1211 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1214 /* Set up the sampler_view */
1216 unsigned first_element
= buf_offset
;
1217 unsigned last_element
= buf_offset
+ skip_pixels
+ upload_width
- 1
1218 + (upload_height
- 1 + (depth
- 1) * image_height
) * stride
;
1219 struct pipe_sampler_view templ
;
1220 struct pipe_sampler_view
*sampler_view
;
1221 struct pipe_sampler_state sampler
= {0};
1222 const struct pipe_sampler_state
*samplers
[1] = {&sampler
};
1224 /* This should be ensured by Mesa before calling our callbacks */
1225 assert((last_element
+ 1) * bytes_per_pixel
<= buffer
->width0
);
1227 if (last_element
- first_element
> ctx
->Const
.MaxTextureBufferSize
- 1)
1230 memset(&templ
, 0, sizeof(templ
));
1231 templ
.target
= PIPE_BUFFER
;
1232 templ
.format
= src_format
;
1233 templ
.u
.buf
.first_element
= first_element
;
1234 templ
.u
.buf
.last_element
= last_element
;
1235 templ
.swizzle_r
= PIPE_SWIZZLE_X
;
1236 templ
.swizzle_g
= PIPE_SWIZZLE_Y
;
1237 templ
.swizzle_b
= PIPE_SWIZZLE_Z
;
1238 templ
.swizzle_a
= PIPE_SWIZZLE_W
;
1240 sampler_view
= pipe
->create_sampler_view(pipe
, buffer
, &templ
);
1241 if (sampler_view
== NULL
)
1244 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1, &sampler_view
);
1246 pipe_sampler_view_reference(&sampler_view
, NULL
);
1248 cso_set_samplers(cso
, PIPE_SHADER_FRAGMENT
, 1, samplers
);
1251 /* Upload vertices */
1253 struct pipe_vertex_buffer vbo
;
1254 struct pipe_vertex_element velem
;
1256 float x0
= (float) xoffset
/ surface
->width
* 2.0f
- 1.0f
;
1257 float y0
= (float) yoffset
/ surface
->height
* 2.0f
- 1.0f
;
1258 float x1
= (float) (xoffset
+ upload_width
) / surface
->width
* 2.0f
- 1.0f
;
1259 float y1
= (float) (yoffset
+ upload_height
) / surface
->height
* 2.0f
- 1.0f
;
1261 float *verts
= NULL
;
1263 vbo
.user_buffer
= NULL
;
1265 vbo
.stride
= 2 * sizeof(float);
1267 u_upload_alloc(st
->uploader
, 0, 8 * sizeof(float), 4,
1268 &vbo
.buffer_offset
, &vbo
.buffer
, (void **) &verts
);
1281 u_upload_unmap(st
->uploader
);
1283 velem
.src_offset
= 0;
1284 velem
.instance_divisor
= 0;
1285 velem
.vertex_buffer_index
= cso_get_aux_vertex_buffer_slot(cso
);
1286 velem
.src_format
= PIPE_FORMAT_R32G32_FLOAT
;
1288 cso_set_vertex_elements(cso
, 1, &velem
);
1290 cso_set_vertex_buffers(cso
, velem
.vertex_buffer_index
, 1, &vbo
);
1292 pipe_resource_reference(&vbo
.buffer
, NULL
);
1295 /* Upload constants */
1296 /* Note: the user buffer must be valid until draw time */
1305 struct pipe_constant_buffer cb
;
1307 constants
.xoffset
= -xoffset
+ skip_pixels
;
1308 constants
.yoffset
= -yoffset
;
1309 constants
.stride
= stride
;
1310 constants
.image_size
= stride
* image_height
;
1312 if (st
->constbuf_uploader
) {
1314 cb
.user_buffer
= NULL
;
1315 u_upload_data(st
->constbuf_uploader
, 0, sizeof(constants
),
1316 ctx
->Const
.UniformBufferOffsetAlignment
,
1317 &constants
, &cb
.buffer_offset
, &cb
.buffer
);
1321 u_upload_unmap(st
->constbuf_uploader
);
1324 cb
.user_buffer
= &constants
;
1325 cb
.buffer_offset
= 0;
1327 cb
.buffer_size
= sizeof(constants
);
1329 cso_set_constant_buffer(cso
, PIPE_SHADER_FRAGMENT
, 0, &cb
);
1331 pipe_resource_reference(&cb
.buffer
, NULL
);
1334 /* Framebuffer_state */
1336 struct pipe_framebuffer_state fb
;
1337 memset(&fb
, 0, sizeof(fb
));
1338 fb
.width
= surface
->width
;
1339 fb
.height
= surface
->height
;
1341 pipe_surface_reference(&fb
.cbufs
[0], surface
);
1343 cso_set_framebuffer(cso
, &fb
);
1345 pipe_surface_reference(&fb
.cbufs
[0], NULL
);
1348 cso_set_viewport_dims(cso
, surface
->width
, surface
->height
, FALSE
);
1351 cso_set_blend(cso
, &st
->pbo_upload
.blend
);
1353 /* Depth/stencil/alpha state */
1355 struct pipe_depth_stencil_alpha_state dsa
;
1356 memset(&dsa
, 0, sizeof(dsa
));
1357 cso_set_depth_stencil_alpha(cso
, &dsa
);
1360 /* Rasterizer state */
1361 cso_set_rasterizer(cso
, &st
->pbo_upload
.raster
);
1363 /* Set up the shaders */
1364 cso_set_vertex_shader_handle(cso
, st
->pbo_upload
.vs
);
1366 cso_set_geometry_shader_handle(cso
, depth
!= 1 ? st
->pbo_upload
.gs
: NULL
);
1368 cso_set_tessctrl_shader_handle(cso
, NULL
);
1370 cso_set_tesseval_shader_handle(cso
, NULL
);
1372 cso_set_fragment_shader_handle(cso
, st
->pbo_upload
.fs
);
1374 /* Disable stream output */
1375 cso_set_stream_outputs(cso
, 0, NULL
, 0);
1378 cso_draw_arrays(cso
, PIPE_PRIM_TRIANGLE_STRIP
, 0, 4);
1380 cso_draw_arrays_instanced(cso
, PIPE_PRIM_TRIANGLE_STRIP
,
1387 cso_restore_state(cso
);
1388 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_FRAGMENT
);
1394 try_pbo_upload(struct gl_context
*ctx
, GLuint dims
,
1395 struct gl_texture_image
*texImage
,
1396 GLenum format
, GLenum type
,
1397 enum pipe_format dst_format
,
1398 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1399 GLint width
, GLint height
, GLint depth
,
1401 const struct gl_pixelstore_attrib
*unpack
)
1403 struct st_context
*st
= st_context(ctx
);
1404 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1405 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1406 struct pipe_resource
*texture
= stImage
->pt
;
1407 struct pipe_context
*pipe
= st
->pipe
;
1408 struct pipe_screen
*screen
= pipe
->screen
;
1409 struct pipe_surface
*surface
= NULL
;
1410 enum pipe_format src_format
;
1411 const struct util_format_description
*desc
;
1412 GLenum gl_target
= texImage
->TexObject
->Target
;
1413 intptr_t buf_offset
;
1414 unsigned bytes_per_pixel
;
1415 unsigned stride
, image_height
;
1418 if (!st
->pbo_upload
.enabled
)
1421 /* From now on, we need the gallium representation of dimensions. */
1422 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1429 image_height
= unpack
->ImageHeight
> 0 ? unpack
->ImageHeight
: height
;
1432 if (depth
!= 1 && !st
->pbo_upload
.upload_layers
)
1435 /* Choose the source format. Initially, we do so without checking driver
1436 * support at all because of the remapping we later perform and because
1437 * at least the Radeon driver actually supports some formats for texture
1438 * buffers which it doesn't support for regular textures. */
1439 src_format
= st_choose_matching_format(st
, 0, format
, type
, unpack
->SwapBytes
);
1444 src_format
= util_format_linear(src_format
);
1445 desc
= util_format_description(src_format
);
1447 if (desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
1450 if (desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
1453 if (st
->pbo_upload
.rgba_only
) {
1454 enum pipe_format orig_dst_format
= dst_format
;
1456 if (!reinterpret_formats(&src_format
, &dst_format
)) {
1460 if (dst_format
!= orig_dst_format
&&
1461 !screen
->is_format_supported(screen
, dst_format
, PIPE_TEXTURE_2D
, 0,
1462 PIPE_BIND_RENDER_TARGET
)) {
1468 !screen
->is_format_supported(screen
, src_format
, PIPE_BUFFER
, 0,
1469 PIPE_BIND_SAMPLER_VIEW
)) {
1473 /* Check if the offset satisfies the alignment requirements */
1474 buf_offset
= (intptr_t) pixels
;
1475 bytes_per_pixel
= desc
->block
.bits
/ 8;
1477 if (buf_offset
% bytes_per_pixel
) {
1481 /* Convert to texels */
1482 buf_offset
= buf_offset
/ bytes_per_pixel
;
1484 /* Compute the stride, taking unpack->Alignment into account */
1486 unsigned pixels_per_row
= unpack
->RowLength
> 0 ?
1487 unpack
->RowLength
: width
;
1488 unsigned bytes_per_row
= pixels_per_row
* bytes_per_pixel
;
1489 unsigned remainder
= bytes_per_row
% unpack
->Alignment
;
1490 unsigned offset_rows
;
1493 bytes_per_row
+= (unpack
->Alignment
- remainder
);
1495 if (bytes_per_row
% bytes_per_pixel
) {
1499 stride
= bytes_per_row
/ bytes_per_pixel
;
1501 offset_rows
= unpack
->SkipRows
;
1503 offset_rows
+= image_height
* unpack
->SkipImages
;
1505 buf_offset
+= unpack
->SkipPixels
+ stride
* offset_rows
;
1508 /* Set up the surface */
1510 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1511 unsigned max_layer
= util_max_layer(texture
, level
);
1513 zoffset
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1515 struct pipe_surface templ
;
1516 memset(&templ
, 0, sizeof(templ
));
1517 templ
.format
= dst_format
;
1518 templ
.u
.tex
.level
= level
;
1519 templ
.u
.tex
.first_layer
= MIN2(zoffset
, max_layer
);
1520 templ
.u
.tex
.last_layer
= MIN2(zoffset
+ depth
- 1, max_layer
);
1522 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1527 success
= try_pbo_upload_common(ctx
, surface
,
1528 xoffset
, yoffset
, width
, height
,
1529 st_buffer_object(unpack
->BufferObj
)->buffer
,
1532 bytes_per_pixel
, stride
, image_height
);
1534 pipe_surface_reference(&surface
, NULL
);
1540 st_TexSubImage(struct gl_context
*ctx
, GLuint dims
,
1541 struct gl_texture_image
*texImage
,
1542 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1543 GLint width
, GLint height
, GLint depth
,
1544 GLenum format
, GLenum type
, const void *pixels
,
1545 const struct gl_pixelstore_attrib
*unpack
)
1547 struct st_context
*st
= st_context(ctx
);
1548 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1549 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1550 struct pipe_context
*pipe
= st
->pipe
;
1551 struct pipe_screen
*screen
= pipe
->screen
;
1552 struct pipe_resource
*dst
= stImage
->pt
;
1553 struct pipe_resource
*src
= NULL
;
1554 struct pipe_resource src_templ
;
1555 struct pipe_transfer
*transfer
;
1556 struct pipe_blit_info blit
;
1557 enum pipe_format src_format
, dst_format
;
1558 mesa_format mesa_src_format
;
1559 GLenum gl_target
= texImage
->TexObject
->Target
;
1562 unsigned dstz
= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1563 unsigned dst_level
= 0;
1565 if (stObj
->pt
== stImage
->pt
)
1566 dst_level
= texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1568 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
1569 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
1574 /* Try transfer_inline_write, which should be the fastest memcpy path. */
1576 !_mesa_is_bufferobj(unpack
->BufferObj
) &&
1577 _mesa_texstore_can_use_memcpy(ctx
, texImage
->_BaseFormat
,
1578 texImage
->TexFormat
, format
, type
,
1580 struct pipe_box box
;
1581 unsigned stride
, layer_stride
;
1584 stride
= _mesa_image_row_stride(unpack
, width
, format
, type
);
1585 layer_stride
= _mesa_image_image_stride(unpack
, width
, height
, format
,
1587 data
= _mesa_image_address(dims
, unpack
, pixels
, width
, height
, format
,
1590 /* Convert to Gallium coordinates. */
1591 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1596 layer_stride
= stride
;
1599 u_box_3d(xoffset
, yoffset
, zoffset
+ dstz
, width
, height
, depth
, &box
);
1600 pipe
->transfer_inline_write(pipe
, dst
, dst_level
, 0,
1601 &box
, data
, stride
, layer_stride
);
1605 if (!st
->prefer_blit_based_texture_transfer
) {
1609 /* XXX Fallback for depth-stencil formats due to an incomplete stencil
1610 * blit implementation in some drivers. */
1611 if (format
== GL_DEPTH_STENCIL
) {
1615 /* If the base internal format and the texture format don't match,
1616 * we can't use blit-based TexSubImage. */
1617 if (texImage
->_BaseFormat
!=
1618 _mesa_get_format_base_format(texImage
->TexFormat
)) {
1623 /* See if the destination format is supported. */
1624 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
1625 bind
= PIPE_BIND_DEPTH_STENCIL
;
1627 bind
= PIPE_BIND_RENDER_TARGET
;
1629 /* For luminance and intensity, only the red channel is stored
1630 * in the destination. */
1631 dst_format
= util_format_linear(dst
->format
);
1632 dst_format
= util_format_luminance_to_red(dst_format
);
1633 dst_format
= util_format_intensity_to_red(dst_format
);
1636 !screen
->is_format_supported(screen
, dst_format
, dst
->target
,
1637 dst
->nr_samples
, bind
)) {
1641 if (_mesa_is_bufferobj(unpack
->BufferObj
)) {
1642 if (try_pbo_upload(ctx
, dims
, texImage
, format
, type
, dst_format
,
1643 xoffset
, yoffset
, zoffset
,
1644 width
, height
, depth
, pixels
, unpack
))
1648 /* See if the texture format already matches the format and type,
1649 * in which case the memcpy-based fast path will likely be used and
1650 * we don't have to blit. */
1651 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
1652 type
, unpack
->SwapBytes
, NULL
)) {
1656 /* Choose the source format. */
1657 src_format
= st_choose_matching_format(st
, PIPE_BIND_SAMPLER_VIEW
,
1658 format
, type
, unpack
->SwapBytes
);
1663 mesa_src_format
= st_pipe_format_to_mesa_format(src_format
);
1665 /* There is no reason to do this if we cannot use memcpy for the temporary
1666 * source texture at least. This also takes transfer ops into account,
1668 if (!_mesa_texstore_can_use_memcpy(ctx
,
1669 _mesa_get_format_base_format(mesa_src_format
),
1670 mesa_src_format
, format
, type
, unpack
)) {
1674 /* TexSubImage only sets a single cubemap face. */
1675 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
1676 gl_target
= GL_TEXTURE_2D
;
1678 /* TexSubImage can specify subsets of cube map array faces
1679 * so we need to upload via 2D array instead */
1680 if (gl_target
== GL_TEXTURE_CUBE_MAP_ARRAY
) {
1681 gl_target
= GL_TEXTURE_2D_ARRAY
;
1684 /* Initialize the source texture description. */
1685 memset(&src_templ
, 0, sizeof(src_templ
));
1686 src_templ
.target
= gl_target_to_pipe(gl_target
);
1687 src_templ
.format
= src_format
;
1688 src_templ
.bind
= PIPE_BIND_SAMPLER_VIEW
;
1689 src_templ
.usage
= PIPE_USAGE_STAGING
;
1691 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
1692 &src_templ
.width0
, &src_templ
.height0
,
1693 &src_templ
.depth0
, &src_templ
.array_size
);
1695 /* Check for NPOT texture support. */
1696 if (!screen
->get_param(screen
, PIPE_CAP_NPOT_TEXTURES
) &&
1697 (!util_is_power_of_two(src_templ
.width0
) ||
1698 !util_is_power_of_two(src_templ
.height0
) ||
1699 !util_is_power_of_two(src_templ
.depth0
))) {
1703 /* Create the source texture. */
1704 src
= screen
->resource_create(screen
, &src_templ
);
1709 /* Map source pixels. */
1710 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, depth
,
1711 format
, type
, pixels
, unpack
,
1714 /* This is a GL error. */
1715 pipe_resource_reference(&src
, NULL
);
1719 /* From now on, we need the gallium representation of dimensions. */
1720 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1727 map
= pipe_transfer_map_3d(pipe
, src
, 0, PIPE_TRANSFER_WRITE
, 0, 0, 0,
1728 width
, height
, depth
, &transfer
);
1730 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1731 pipe_resource_reference(&src
, NULL
);
1735 /* Upload pixels (just memcpy). */
1737 const uint bytesPerRow
= width
* util_format_get_blocksize(src_format
);
1740 for (slice
= 0; slice
< (unsigned) depth
; slice
++) {
1741 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
1742 /* 1D array textures.
1743 * We need to convert gallium coords to GL coords.
1745 void *src
= _mesa_image_address2d(unpack
, pixels
,
1746 width
, depth
, format
,
1748 memcpy(map
, src
, bytesPerRow
);
1751 ubyte
*slice_map
= map
;
1753 for (row
= 0; row
< (unsigned) height
; row
++) {
1754 void *src
= _mesa_image_address(dims
, unpack
, pixels
,
1755 width
, height
, format
,
1756 type
, slice
, row
, 0);
1757 memcpy(slice_map
, src
, bytesPerRow
);
1758 slice_map
+= transfer
->stride
;
1761 map
+= transfer
->layer_stride
;
1765 pipe_transfer_unmap(pipe
, transfer
);
1766 _mesa_unmap_teximage_pbo(ctx
, unpack
);
1769 memset(&blit
, 0, sizeof(blit
));
1770 blit
.src
.resource
= src
;
1772 blit
.src
.format
= src_format
;
1773 blit
.dst
.resource
= dst
;
1774 blit
.dst
.level
= dst_level
;
1775 blit
.dst
.format
= dst_format
;
1776 blit
.src
.box
.x
= blit
.src
.box
.y
= blit
.src
.box
.z
= 0;
1777 blit
.dst
.box
.x
= xoffset
;
1778 blit
.dst
.box
.y
= yoffset
;
1779 blit
.dst
.box
.z
= zoffset
+ dstz
;
1780 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
1781 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
1782 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
1783 blit
.mask
= st_get_blit_mask(format
, texImage
->_BaseFormat
);
1784 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1785 blit
.scissor_enable
= FALSE
;
1787 st
->pipe
->blit(st
->pipe
, &blit
);
1789 pipe_resource_reference(&src
, NULL
);
1793 _mesa_store_texsubimage(ctx
, dims
, texImage
, xoffset
, yoffset
, zoffset
,
1794 width
, height
, depth
, format
, type
, pixels
,
1799 st_TexImage(struct gl_context
* ctx
, GLuint dims
,
1800 struct gl_texture_image
*texImage
,
1801 GLenum format
, GLenum type
, const void *pixels
,
1802 const struct gl_pixelstore_attrib
*unpack
)
1804 assert(dims
== 1 || dims
== 2 || dims
== 3);
1806 prep_teximage(ctx
, texImage
, format
, type
);
1808 if (texImage
->Width
== 0 || texImage
->Height
== 0 || texImage
->Depth
== 0)
1811 /* allocate storage for texture data */
1812 if (!ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
)) {
1813 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
1817 st_TexSubImage(ctx
, dims
, texImage
, 0, 0, 0,
1818 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1819 format
, type
, pixels
, unpack
);
1824 st_CompressedTexSubImage(struct gl_context
*ctx
, GLuint dims
,
1825 struct gl_texture_image
*texImage
,
1826 GLint x
, GLint y
, GLint z
,
1827 GLsizei w
, GLsizei h
, GLsizei d
,
1828 GLenum format
, GLsizei imageSize
, const void *data
)
1830 struct st_context
*st
= st_context(ctx
);
1831 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1832 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
1833 struct pipe_resource
*texture
= stImage
->pt
;
1834 struct pipe_context
*pipe
= st
->pipe
;
1835 struct pipe_screen
*screen
= pipe
->screen
;
1836 struct pipe_resource
*dst
= stImage
->pt
;
1837 struct pipe_surface
*surface
= NULL
;
1838 struct compressed_pixelstore store
;
1839 enum pipe_format copy_format
;
1840 unsigned bytes_per_block
;
1842 intptr_t buf_offset
;
1843 bool success
= false;
1845 /* Check basic pre-conditions for PBO upload */
1846 if (!st
->prefer_blit_based_texture_transfer
) {
1850 if (!_mesa_is_bufferobj(ctx
->Unpack
.BufferObj
))
1853 if ((_mesa_is_format_etc2(texImage
->TexFormat
) && !st
->has_etc2
) ||
1854 (texImage
->TexFormat
== MESA_FORMAT_ETC1_RGB8
&& !st
->has_etc1
)) {
1855 /* ETC isn't supported and is represented by uncompressed formats. */
1863 if (!st
->pbo_upload
.enabled
||
1864 !screen
->get_param(screen
, PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
)) {
1868 /* Choose the pipe format for the upload. */
1869 bytes_per_block
= util_format_get_blocksize(dst
->format
);
1870 bw
= util_format_get_blockwidth(dst
->format
);
1871 bh
= util_format_get_blockheight(dst
->format
);
1873 switch (bytes_per_block
) {
1875 copy_format
= PIPE_FORMAT_R16G16B16A16_UINT
;
1878 copy_format
= PIPE_FORMAT_R32G32B32A32_UINT
;
1884 if (!screen
->is_format_supported(screen
, copy_format
, PIPE_BUFFER
, 0,
1885 PIPE_BIND_SAMPLER_VIEW
)) {
1889 if (!screen
->is_format_supported(screen
, copy_format
, dst
->target
,
1890 dst
->nr_samples
, PIPE_BIND_RENDER_TARGET
)) {
1894 /* Interpret the pixelstore settings. */
1895 _mesa_compute_compressed_pixelstore(dims
, texImage
->TexFormat
, w
, h
, d
,
1896 &ctx
->Unpack
, &store
);
1897 assert(store
.CopyBytesPerRow
% bytes_per_block
== 0);
1898 assert(store
.SkipBytes
% bytes_per_block
== 0);
1900 /* Compute the offset into the buffer */
1901 buf_offset
= (intptr_t)data
+ store
.SkipBytes
;
1903 if (buf_offset
% bytes_per_block
) {
1907 buf_offset
= buf_offset
/ bytes_per_block
;
1909 /* Set up the surface. */
1911 unsigned level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->TexObject
->MinLevel
+ texImage
->Level
;
1912 unsigned max_layer
= util_max_layer(texture
, level
);
1914 z
+= texImage
->Face
+ texImage
->TexObject
->MinLayer
;
1916 struct pipe_surface templ
;
1917 memset(&templ
, 0, sizeof(templ
));
1918 templ
.format
= copy_format
;
1919 templ
.u
.tex
.level
= level
;
1920 templ
.u
.tex
.first_layer
= MIN2(z
, max_layer
);
1921 templ
.u
.tex
.last_layer
= MIN2(z
+ d
- 1, max_layer
);
1923 surface
= pipe
->create_surface(pipe
, texture
, &templ
);
1928 success
= try_pbo_upload_common(ctx
, surface
,
1930 store
.CopyBytesPerRow
/ bytes_per_block
,
1931 store
.CopyRowsPerSlice
,
1932 st_buffer_object(ctx
->Unpack
.BufferObj
)->buffer
,
1936 store
.TotalBytesPerRow
/ bytes_per_block
,
1937 store
.TotalRowsPerSlice
);
1939 pipe_surface_reference(&surface
, NULL
);
1945 _mesa_store_compressed_texsubimage(ctx
, dims
, texImage
,
1947 format
, imageSize
, data
);
1951 st_CompressedTexImage(struct gl_context
*ctx
, GLuint dims
,
1952 struct gl_texture_image
*texImage
,
1953 GLsizei imageSize
, const void *data
)
1955 prep_teximage(ctx
, texImage
, GL_NONE
, GL_NONE
);
1957 /* only 2D and 3D compressed images are supported at this time */
1959 _mesa_problem(ctx
, "Unexpected glCompressedTexImage1D call");
1963 /* This is pretty simple, because unlike the general texstore path we don't
1964 * have to worry about the usual image unpacking or image transfer
1968 assert(texImage
->Width
> 0);
1969 assert(texImage
->Height
> 0);
1970 assert(texImage
->Depth
> 0);
1972 /* allocate storage for texture data */
1973 if (!st_AllocTextureImageBuffer(ctx
, texImage
)) {
1974 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCompressedTexImage%uD", dims
);
1978 st_CompressedTexSubImage(ctx
, dims
, texImage
,
1980 texImage
->Width
, texImage
->Height
, texImage
->Depth
,
1981 texImage
->TexFormat
,
1989 * Called via ctx->Driver.GetTexSubImage()
1991 * This uses a blit to copy the texture to a texture format which matches
1992 * the format and type combo and then a fast read-back is done using memcpy.
1993 * We can do arbitrary X/Y/Z/W/0/1 swizzling here as long as there is
1994 * a format which matches the swizzling.
1996 * If such a format isn't available, it falls back to _mesa_GetTexImage_sw.
1998 * NOTE: Drivers usually do a blit to convert between tiled and linear
1999 * texture layouts during texture uploads/downloads, so the blit
2000 * we do here should be free in such cases.
2003 st_GetTexSubImage(struct gl_context
* ctx
,
2004 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2005 GLsizei width
, GLsizei height
, GLint depth
,
2006 GLenum format
, GLenum type
, void * pixels
,
2007 struct gl_texture_image
*texImage
)
2009 struct st_context
*st
= st_context(ctx
);
2010 struct pipe_context
*pipe
= st
->pipe
;
2011 struct pipe_screen
*screen
= pipe
->screen
;
2012 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2013 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
2014 struct pipe_resource
*src
= stObj
->pt
;
2015 struct pipe_resource
*dst
= NULL
;
2016 struct pipe_resource dst_templ
;
2017 enum pipe_format dst_format
, src_format
;
2018 mesa_format mesa_format
;
2019 GLenum gl_target
= texImage
->TexObject
->Target
;
2020 enum pipe_texture_target pipe_target
;
2021 struct pipe_blit_info blit
;
2022 unsigned bind
= PIPE_BIND_TRANSFER_READ
;
2023 struct pipe_transfer
*tex_xfer
;
2025 boolean done
= FALSE
;
2027 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
2028 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
2030 if (!st
->prefer_blit_based_texture_transfer
&&
2031 !_mesa_is_format_compressed(texImage
->TexFormat
)) {
2032 /* Try to avoid the fallback if we're doing texture decompression here */
2036 /* Handle non-finalized textures. */
2037 if (!stImage
->pt
|| stImage
->pt
!= stObj
->pt
|| !src
) {
2041 /* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
2042 * due to an incomplete stencil blit implementation in some drivers. */
2043 if (format
== GL_DEPTH_STENCIL
|| format
== GL_STENCIL_INDEX
) {
2047 /* If the base internal format and the texture format don't match, we have
2048 * to fall back to _mesa_GetTexImage_sw. */
2049 if (texImage
->_BaseFormat
!=
2050 _mesa_get_format_base_format(texImage
->TexFormat
)) {
2054 /* See if the texture format already matches the format and type,
2055 * in which case the memcpy-based fast path will be used. */
2056 if (_mesa_format_matches_format_and_type(texImage
->TexFormat
, format
,
2057 type
, ctx
->Pack
.SwapBytes
, NULL
)) {
2061 /* Convert the source format to what is expected by GetTexImage
2062 * and see if it's supported.
2064 * This only applies to glGetTexImage:
2065 * - Luminance must be returned as (L,0,0,1).
2066 * - Luminance alpha must be returned as (L,0,0,A).
2067 * - Intensity must be returned as (I,0,0,1)
2069 if (stObj
->surface_based
)
2070 src_format
= util_format_linear(stObj
->surface_format
);
2072 src_format
= util_format_linear(src
->format
);
2073 src_format
= util_format_luminance_to_red(src_format
);
2074 src_format
= util_format_intensity_to_red(src_format
);
2077 !screen
->is_format_supported(screen
, src_format
, src
->target
,
2079 PIPE_BIND_SAMPLER_VIEW
)) {
2083 if (format
== GL_DEPTH_COMPONENT
|| format
== GL_DEPTH_STENCIL
)
2084 bind
|= PIPE_BIND_DEPTH_STENCIL
;
2086 bind
|= PIPE_BIND_RENDER_TARGET
;
2088 /* GetTexImage only returns a single face for cubemaps. */
2089 if (gl_target
== GL_TEXTURE_CUBE_MAP
) {
2090 gl_target
= GL_TEXTURE_2D
;
2092 pipe_target
= gl_target_to_pipe(gl_target
);
2094 /* Choose the destination format by finding the best match
2095 * for the format+type combo. */
2096 dst_format
= st_choose_matching_format(st
, bind
, format
, type
,
2097 ctx
->Pack
.SwapBytes
);
2099 if (dst_format
== PIPE_FORMAT_NONE
) {
2100 GLenum dst_glformat
;
2102 /* Fall back to _mesa_GetTexImage_sw except for compressed formats,
2103 * where decompression with a blit is always preferred. */
2104 if (!util_format_is_compressed(src
->format
)) {
2108 /* Set the appropriate format for the decompressed texture.
2109 * Luminance and sRGB formats shouldn't appear here.*/
2110 switch (src_format
) {
2111 case PIPE_FORMAT_DXT1_RGB
:
2112 case PIPE_FORMAT_DXT1_RGBA
:
2113 case PIPE_FORMAT_DXT3_RGBA
:
2114 case PIPE_FORMAT_DXT5_RGBA
:
2115 case PIPE_FORMAT_RGTC1_UNORM
:
2116 case PIPE_FORMAT_RGTC2_UNORM
:
2117 case PIPE_FORMAT_ETC1_RGB8
:
2118 case PIPE_FORMAT_BPTC_RGBA_UNORM
:
2119 dst_glformat
= GL_RGBA8
;
2121 case PIPE_FORMAT_RGTC1_SNORM
:
2122 case PIPE_FORMAT_RGTC2_SNORM
:
2123 if (!ctx
->Extensions
.EXT_texture_snorm
)
2125 dst_glformat
= GL_RGBA8_SNORM
;
2127 case PIPE_FORMAT_BPTC_RGB_FLOAT
:
2128 case PIPE_FORMAT_BPTC_RGB_UFLOAT
:
2129 if (!ctx
->Extensions
.ARB_texture_float
)
2131 dst_glformat
= GL_RGBA32F
;
2138 dst_format
= st_choose_format(st
, dst_glformat
, format
, type
,
2139 pipe_target
, 0, bind
, FALSE
);
2141 if (dst_format
== PIPE_FORMAT_NONE
) {
2142 /* unable to get an rgba format!?! */
2147 /* create the destination texture of size (width X height X depth) */
2148 memset(&dst_templ
, 0, sizeof(dst_templ
));
2149 dst_templ
.target
= pipe_target
;
2150 dst_templ
.format
= dst_format
;
2151 dst_templ
.bind
= bind
;
2152 dst_templ
.usage
= PIPE_USAGE_STAGING
;
2154 st_gl_texture_dims_to_pipe_dims(gl_target
, width
, height
, depth
,
2155 &dst_templ
.width0
, &dst_templ
.height0
,
2156 &dst_templ
.depth0
, &dst_templ
.array_size
);
2158 dst
= screen
->resource_create(screen
, &dst_templ
);
2163 /* From now on, we need the gallium representation of dimensions. */
2164 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2171 assert(texImage
->Face
== 0 ||
2172 texImage
->TexObject
->MinLayer
== 0 ||
2175 memset(&blit
, 0, sizeof(blit
));
2176 blit
.src
.resource
= src
;
2177 blit
.src
.level
= texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2178 blit
.src
.format
= src_format
;
2179 blit
.dst
.resource
= dst
;
2181 blit
.dst
.format
= dst
->format
;
2182 blit
.src
.box
.x
= xoffset
;
2184 blit
.src
.box
.y
= yoffset
;
2186 blit
.src
.box
.z
= texImage
->Face
+ texImage
->TexObject
->MinLayer
+ zoffset
;
2188 blit
.src
.box
.width
= blit
.dst
.box
.width
= width
;
2189 blit
.src
.box
.height
= blit
.dst
.box
.height
= height
;
2190 blit
.src
.box
.depth
= blit
.dst
.box
.depth
= depth
;
2191 blit
.mask
= st_get_blit_mask(texImage
->_BaseFormat
, format
);
2192 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2193 blit
.scissor_enable
= FALSE
;
2195 /* blit/render/decompress */
2196 st
->pipe
->blit(st
->pipe
, &blit
);
2198 pixels
= _mesa_map_pbo_dest(ctx
, &ctx
->Pack
, pixels
);
2200 map
= pipe_transfer_map_3d(pipe
, dst
, 0, PIPE_TRANSFER_READ
,
2201 0, 0, 0, width
, height
, depth
, &tex_xfer
);
2206 mesa_format
= st_pipe_format_to_mesa_format(dst_format
);
2208 /* copy/pack data into user buffer */
2209 if (_mesa_format_matches_format_and_type(mesa_format
, format
, type
,
2210 ctx
->Pack
.SwapBytes
, NULL
)) {
2212 const uint bytesPerRow
= width
* util_format_get_blocksize(dst_format
);
2215 for (slice
= 0; slice
< depth
; slice
++) {
2216 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2217 /* 1D array textures.
2218 * We need to convert gallium coords to GL coords.
2220 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2221 width
, depth
, format
,
2223 memcpy(dest
, map
, bytesPerRow
);
2226 ubyte
*slice_map
= map
;
2228 for (row
= 0; row
< height
; row
++) {
2229 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2230 width
, height
, format
,
2231 type
, slice
, row
, 0);
2232 memcpy(dest
, slice_map
, bytesPerRow
);
2233 slice_map
+= tex_xfer
->stride
;
2236 map
+= tex_xfer
->layer_stride
;
2240 /* format translation via floats */
2243 uint32_t dstMesaFormat
;
2244 int dstStride
, srcStride
;
2246 assert(util_format_is_compressed(src
->format
));
2248 rgba
= malloc(width
* 4 * sizeof(GLfloat
));
2253 if (ST_DEBUG
& DEBUG_FALLBACK
)
2254 debug_printf("%s: fallback format translation\n", __func__
);
2256 dstMesaFormat
= _mesa_format_from_format_and_type(format
, type
);
2257 dstStride
= _mesa_image_row_stride(&ctx
->Pack
, width
, format
, type
);
2258 srcStride
= 4 * width
* sizeof(GLfloat
);
2259 for (slice
= 0; slice
< depth
; slice
++) {
2260 if (gl_target
== GL_TEXTURE_1D_ARRAY
) {
2261 /* 1D array textures.
2262 * We need to convert gallium coords to GL coords.
2264 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2265 width
, depth
, format
,
2268 /* get float[4] rgba row from surface */
2269 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, 0, width
, 1,
2272 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2273 rgba
, RGBA32_FLOAT
, srcStride
,
2277 for (row
= 0; row
< height
; row
++) {
2278 void *dest
= _mesa_image_address3d(&ctx
->Pack
, pixels
,
2279 width
, height
, format
,
2280 type
, slice
, row
, 0);
2282 /* get float[4] rgba row from surface */
2283 pipe_get_tile_rgba_format(tex_xfer
, map
, 0, row
, width
, 1,
2286 _mesa_format_convert(dest
, dstMesaFormat
, dstStride
,
2287 rgba
, RGBA32_FLOAT
, srcStride
,
2291 map
+= tex_xfer
->layer_stride
;
2300 pipe_transfer_unmap(pipe
, tex_xfer
);
2302 _mesa_unmap_pbo_dest(ctx
, &ctx
->Pack
);
2303 pipe_resource_reference(&dst
, NULL
);
2307 _mesa_GetTexSubImage_sw(ctx
, xoffset
, yoffset
, zoffset
,
2308 width
, height
, depth
,
2309 format
, type
, pixels
, texImage
);
2315 * Do a CopyTexSubImage operation using a read transfer from the source,
2316 * a write transfer to the destination and get_tile()/put_tile() to access
2317 * the pixels/texels.
2319 * Note: srcY=0=TOP of renderbuffer
2322 fallback_copy_texsubimage(struct gl_context
*ctx
,
2323 struct st_renderbuffer
*strb
,
2324 struct st_texture_image
*stImage
,
2326 GLint destX
, GLint destY
, GLint slice
,
2327 GLint srcX
, GLint srcY
,
2328 GLsizei width
, GLsizei height
)
2330 struct st_context
*st
= st_context(ctx
);
2331 struct pipe_context
*pipe
= st
->pipe
;
2332 struct pipe_transfer
*src_trans
;
2334 enum pipe_transfer_usage transfer_usage
;
2336 unsigned dst_width
= width
;
2337 unsigned dst_height
= height
;
2338 unsigned dst_depth
= 1;
2339 struct pipe_transfer
*transfer
;
2341 if (ST_DEBUG
& DEBUG_FALLBACK
)
2342 debug_printf("%s: fallback processing\n", __func__
);
2344 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2345 srcY
= strb
->Base
.Height
- srcY
- height
;
2348 map
= pipe_transfer_map(pipe
,
2350 strb
->surface
->u
.tex
.level
,
2351 strb
->surface
->u
.tex
.first_layer
,
2354 width
, height
, &src_trans
);
2356 if ((baseFormat
== GL_DEPTH_COMPONENT
||
2357 baseFormat
== GL_DEPTH_STENCIL
) &&
2358 util_format_is_depth_and_stencil(stImage
->pt
->format
))
2359 transfer_usage
= PIPE_TRANSFER_READ_WRITE
;
2361 transfer_usage
= PIPE_TRANSFER_WRITE
;
2363 texDest
= st_texture_image_map(st
, stImage
, transfer_usage
,
2364 destX
, destY
, slice
,
2365 dst_width
, dst_height
, dst_depth
,
2368 if (baseFormat
== GL_DEPTH_COMPONENT
||
2369 baseFormat
== GL_DEPTH_STENCIL
) {
2370 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
2371 ctx
->Pixel
.DepthBias
!= 0.0F
);
2375 /* determine bottom-to-top vs. top-to-bottom order for src buffer */
2376 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2385 data
= malloc(width
* sizeof(uint
));
2388 /* To avoid a large temp memory allocation, do copy row by row */
2389 for (row
= 0; row
< height
; row
++, srcY
+= yStep
) {
2390 pipe_get_tile_z(src_trans
, map
, 0, srcY
, width
, 1, data
);
2392 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
2395 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2396 pipe_put_tile_z(transfer
, texDest
+ row
*transfer
->layer_stride
,
2397 0, 0, width
, 1, data
);
2400 pipe_put_tile_z(transfer
, texDest
, 0, row
, width
, 1, data
);
2405 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glCopyTexSubImage()");
2413 malloc(width
* height
* 4 * sizeof(GLfloat
));
2415 if (tempSrc
&& texDest
) {
2416 const GLint dims
= 2;
2418 struct gl_texture_image
*texImage
= &stImage
->base
;
2419 struct gl_pixelstore_attrib unpack
= ctx
->DefaultPacking
;
2421 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
2422 unpack
.Invert
= GL_TRUE
;
2425 if (stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
) {
2426 dstRowStride
= transfer
->layer_stride
;
2429 dstRowStride
= transfer
->stride
;
2432 /* get float/RGBA image from framebuffer */
2433 /* XXX this usually involves a lot of int/float conversion.
2434 * try to avoid that someday.
2436 pipe_get_tile_rgba_format(src_trans
, map
, 0, 0, width
, height
,
2437 util_format_linear(strb
->texture
->format
),
2440 /* Store into texture memory.
2441 * Note that this does some special things such as pixel transfer
2442 * ops and format conversion. In particular, if the dest tex format
2443 * is actually RGBA but the user created the texture as GL_RGB we
2444 * need to fill-in/override the alpha channel with 1.0.
2446 _mesa_texstore(ctx
, dims
,
2447 texImage
->_BaseFormat
,
2448 texImage
->TexFormat
,
2452 GL_RGBA
, GL_FLOAT
, tempSrc
, /* src */
2456 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
2462 st_texture_image_unmap(st
, stImage
, slice
);
2463 pipe
->transfer_unmap(pipe
, src_trans
);
2468 * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
2469 * Note that the region to copy has already been clipped so we know we
2470 * won't read from outside the source renderbuffer's bounds.
2472 * Note: srcY=0=Bottom of renderbuffer (GL convention)
2475 st_CopyTexSubImage(struct gl_context
*ctx
, GLuint dims
,
2476 struct gl_texture_image
*texImage
,
2477 GLint destX
, GLint destY
, GLint slice
,
2478 struct gl_renderbuffer
*rb
,
2479 GLint srcX
, GLint srcY
, GLsizei width
, GLsizei height
)
2481 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2482 struct st_texture_object
*stObj
= st_texture_object(texImage
->TexObject
);
2483 struct st_renderbuffer
*strb
= st_renderbuffer(rb
);
2484 struct st_context
*st
= st_context(ctx
);
2485 struct pipe_context
*pipe
= st
->pipe
;
2486 struct pipe_screen
*screen
= pipe
->screen
;
2487 struct pipe_blit_info blit
;
2488 enum pipe_format dst_format
;
2489 GLboolean do_flip
= (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
);
2493 assert(!_mesa_is_format_etc2(texImage
->TexFormat
) &&
2494 texImage
->TexFormat
!= MESA_FORMAT_ETC1_RGB8
);
2496 if (!strb
|| !strb
->surface
|| !stImage
->pt
) {
2497 debug_printf("%s: null strb or stImage\n", __func__
);
2501 if (_mesa_texstore_needs_transfer_ops(ctx
, texImage
->_BaseFormat
,
2502 texImage
->TexFormat
)) {
2506 /* The base internal format must match the mesa format, so make sure
2507 * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
2509 if (texImage
->_BaseFormat
!=
2510 _mesa_get_format_base_format(texImage
->TexFormat
) ||
2511 rb
->_BaseFormat
!= _mesa_get_format_base_format(rb
->Format
)) {
2515 /* Choose the destination format to match the TexImage behavior. */
2516 dst_format
= util_format_linear(stImage
->pt
->format
);
2517 dst_format
= util_format_luminance_to_red(dst_format
);
2518 dst_format
= util_format_intensity_to_red(dst_format
);
2520 /* See if the destination format is supported. */
2521 if (texImage
->_BaseFormat
== GL_DEPTH_STENCIL
||
2522 texImage
->_BaseFormat
== GL_DEPTH_COMPONENT
) {
2523 bind
= PIPE_BIND_DEPTH_STENCIL
;
2526 bind
= PIPE_BIND_RENDER_TARGET
;
2530 !screen
->is_format_supported(screen
, dst_format
, stImage
->pt
->target
,
2531 stImage
->pt
->nr_samples
, bind
)) {
2535 /* Y flipping for the main framebuffer. */
2537 srcY1
= strb
->Base
.Height
- srcY
- height
;
2538 srcY0
= srcY1
+ height
;
2542 srcY1
= srcY0
+ height
;
2545 /* Blit the texture.
2546 * This supports flipping, format conversions, and downsampling.
2548 memset(&blit
, 0, sizeof(blit
));
2549 blit
.src
.resource
= strb
->texture
;
2550 blit
.src
.format
= util_format_linear(strb
->surface
->format
);
2551 blit
.src
.level
= strb
->surface
->u
.tex
.level
;
2552 blit
.src
.box
.x
= srcX
;
2553 blit
.src
.box
.y
= srcY0
;
2554 blit
.src
.box
.z
= strb
->surface
->u
.tex
.first_layer
;
2555 blit
.src
.box
.width
= width
;
2556 blit
.src
.box
.height
= srcY1
- srcY0
;
2557 blit
.src
.box
.depth
= 1;
2558 blit
.dst
.resource
= stImage
->pt
;
2559 blit
.dst
.format
= dst_format
;
2560 blit
.dst
.level
= stObj
->pt
!= stImage
->pt
? 0 : texImage
->Level
+ texImage
->TexObject
->MinLevel
;
2561 blit
.dst
.box
.x
= destX
;
2562 blit
.dst
.box
.y
= destY
;
2563 blit
.dst
.box
.z
= stImage
->base
.Face
+ slice
+ texImage
->TexObject
->MinLayer
;
2564 blit
.dst
.box
.width
= width
;
2565 blit
.dst
.box
.height
= height
;
2566 blit
.dst
.box
.depth
= 1;
2567 blit
.mask
= st_get_blit_mask(rb
->_BaseFormat
, texImage
->_BaseFormat
);
2568 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
2569 pipe
->blit(pipe
, &blit
);
2573 /* software fallback */
2574 fallback_copy_texsubimage(ctx
,
2575 strb
, stImage
, texImage
->_BaseFormat
,
2576 destX
, destY
, slice
,
2577 srcX
, srcY
, width
, height
);
2582 * Copy image data from stImage into the texture object 'stObj' at level
2586 copy_image_data_to_texture(struct st_context
*st
,
2587 struct st_texture_object
*stObj
,
2589 struct st_texture_image
*stImage
)
2593 const struct gl_texture_image
*dstImage
=
2594 stObj
->base
.Image
[stImage
->base
.Face
][dstLevel
];
2596 assert(dstImage
->Width
== stImage
->base
.Width
);
2597 assert(dstImage
->Height
== stImage
->base
.Height
);
2598 assert(dstImage
->Depth
== stImage
->base
.Depth
);
2602 /* Copy potentially with the blitter:
2605 if (stImage
->pt
->last_level
== 0)
2608 src_level
= stImage
->base
.Level
;
2610 assert(src_level
<= stImage
->pt
->last_level
);
2611 assert(u_minify(stImage
->pt
->width0
, src_level
) == stImage
->base
.Width
);
2612 assert(stImage
->pt
->target
== PIPE_TEXTURE_1D_ARRAY
||
2613 u_minify(stImage
->pt
->height0
, src_level
) == stImage
->base
.Height
);
2614 assert(stImage
->pt
->target
== PIPE_TEXTURE_2D_ARRAY
||
2615 stImage
->pt
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
2616 u_minify(stImage
->pt
->depth0
, src_level
) == stImage
->base
.Depth
);
2618 st_texture_image_copy(st
->pipe
,
2619 stObj
->pt
, dstLevel
, /* dest texture, level */
2620 stImage
->pt
, src_level
, /* src texture, level */
2621 stImage
->base
.Face
);
2623 pipe_resource_reference(&stImage
->pt
, NULL
);
2625 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2630 * Called during state validation. When this function is finished,
2631 * the texture object should be ready for rendering.
2632 * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
2635 st_finalize_texture(struct gl_context
*ctx
,
2636 struct pipe_context
*pipe
,
2637 struct gl_texture_object
*tObj
)
2639 struct st_context
*st
= st_context(ctx
);
2640 struct st_texture_object
*stObj
= st_texture_object(tObj
);
2641 const GLuint nr_faces
= _mesa_num_tex_faces(stObj
->base
.Target
);
2643 const struct st_texture_image
*firstImage
;
2644 enum pipe_format firstImageFormat
;
2645 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, ptNumSamples
;
2647 if (tObj
->Immutable
)
2650 if (_mesa_is_texture_complete(tObj
, &tObj
->Sampler
)) {
2651 /* The texture is complete and we know exactly how many mipmap levels
2652 * are present/needed. This is conditional because we may be called
2653 * from the st_generate_mipmap() function when the texture object is
2654 * incomplete. In that case, we'll have set stObj->lastLevel before
2657 if (stObj
->base
.Sampler
.MinFilter
== GL_LINEAR
||
2658 stObj
->base
.Sampler
.MinFilter
== GL_NEAREST
)
2659 stObj
->lastLevel
= stObj
->base
.BaseLevel
;
2661 stObj
->lastLevel
= stObj
->base
._MaxLevel
;
2664 if (tObj
->Target
== GL_TEXTURE_BUFFER
) {
2665 struct st_buffer_object
*st_obj
= st_buffer_object(tObj
->BufferObject
);
2668 pipe_resource_reference(&stObj
->pt
, NULL
);
2669 st_texture_release_all_sampler_views(st
, stObj
);
2673 if (st_obj
->buffer
!= stObj
->pt
) {
2674 pipe_resource_reference(&stObj
->pt
, st_obj
->buffer
);
2675 st_texture_release_all_sampler_views(st
, stObj
);
2676 stObj
->width0
= stObj
->pt
->width0
/ _mesa_get_format_bytes(tObj
->_BufferObjectFormat
);
2684 firstImage
= st_texture_image_const(_mesa_base_tex_image(&stObj
->base
));
2687 /* If both firstImage and stObj point to a texture which can contain
2688 * all active images, favour firstImage. Note that because of the
2689 * completeness requirement, we know that the image dimensions
2692 if (firstImage
->pt
&&
2693 firstImage
->pt
!= stObj
->pt
&&
2694 (!stObj
->pt
|| firstImage
->pt
->last_level
>= stObj
->pt
->last_level
)) {
2695 pipe_resource_reference(&stObj
->pt
, firstImage
->pt
);
2696 st_texture_release_all_sampler_views(st
, stObj
);
2699 /* If this texture comes from a window system, there is nothing else to do. */
2700 if (stObj
->surface_based
) {
2704 /* Find gallium format for the Mesa texture */
2706 st_mesa_format_to_pipe_format(st
, firstImage
->base
.TexFormat
);
2708 /* Find size of level=0 Gallium mipmap image, plus number of texture layers */
2710 GLuint width
, height
, depth
;
2711 if (!guess_base_level_size(stObj
->base
.Target
,
2712 firstImage
->base
.Width2
,
2713 firstImage
->base
.Height2
,
2714 firstImage
->base
.Depth2
,
2715 firstImage
->base
.Level
,
2716 &width
, &height
, &depth
)) {
2717 width
= stObj
->width0
;
2718 height
= stObj
->height0
;
2719 depth
= stObj
->depth0
;
2721 /* The width/height/depth may have been previously reset in
2722 * guess_and_alloc_texture. */
2723 stObj
->width0
= width
;
2724 stObj
->height0
= height
;
2725 stObj
->depth0
= depth
;
2727 /* convert GL dims to Gallium dims */
2728 st_gl_texture_dims_to_pipe_dims(stObj
->base
.Target
, width
, height
, depth
,
2729 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2730 ptNumSamples
= firstImage
->base
.NumSamples
;
2733 /* If we already have a gallium texture, check that it matches the texture
2734 * object's format, target, size, num_levels, etc.
2737 if (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
2738 stObj
->pt
->format
!= firstImageFormat
||
2739 stObj
->pt
->last_level
< stObj
->lastLevel
||
2740 stObj
->pt
->width0
!= ptWidth
||
2741 stObj
->pt
->height0
!= ptHeight
||
2742 stObj
->pt
->depth0
!= ptDepth
||
2743 stObj
->pt
->nr_samples
!= ptNumSamples
||
2744 stObj
->pt
->array_size
!= ptLayers
)
2746 /* The gallium texture does not match the Mesa texture so delete the
2747 * gallium texture now. We'll make a new one below.
2749 pipe_resource_reference(&stObj
->pt
, NULL
);
2750 st_texture_release_all_sampler_views(st
, stObj
);
2751 st
->dirty
.st
|= ST_NEW_FRAMEBUFFER
;
2755 /* May need to create a new gallium texture:
2758 GLuint bindings
= default_bindings(st
, firstImageFormat
);
2760 stObj
->pt
= st_texture_create(st
,
2761 gl_target_to_pipe(stObj
->base
.Target
),
2767 ptLayers
, ptNumSamples
,
2771 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
2776 /* Pull in any images not in the object's texture:
2778 for (face
= 0; face
< nr_faces
; face
++) {
2780 for (level
= stObj
->base
.BaseLevel
; level
<= stObj
->lastLevel
; level
++) {
2781 struct st_texture_image
*stImage
=
2782 st_texture_image(stObj
->base
.Image
[face
][level
]);
2784 /* Need to import images in main memory or held in other textures.
2786 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
2787 GLuint height
= stObj
->height0
;
2788 GLuint depth
= stObj
->depth0
;
2790 if (stObj
->base
.Target
!= GL_TEXTURE_1D_ARRAY
)
2791 height
= u_minify(height
, level
);
2792 if (stObj
->base
.Target
== GL_TEXTURE_3D
)
2793 depth
= u_minify(depth
, level
);
2796 (stImage
->base
.Width
== u_minify(stObj
->width0
, level
) &&
2797 stImage
->base
.Height
== height
&&
2798 stImage
->base
.Depth
== depth
)) {
2799 /* src image fits expected dest mipmap level size */
2800 copy_image_data_to_texture(st
, stObj
, level
, stImage
);
2811 * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
2812 * for a whole mipmap stack.
2815 st_AllocTextureStorage(struct gl_context
*ctx
,
2816 struct gl_texture_object
*texObj
,
2817 GLsizei levels
, GLsizei width
,
2818 GLsizei height
, GLsizei depth
)
2820 const GLuint numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2821 struct gl_texture_image
*texImage
= texObj
->Image
[0][0];
2822 struct st_context
*st
= st_context(ctx
);
2823 struct st_texture_object
*stObj
= st_texture_object(texObj
);
2824 struct pipe_screen
*screen
= st
->pipe
->screen
;
2825 GLuint ptWidth
, ptHeight
, ptDepth
, ptLayers
, bindings
;
2826 enum pipe_format fmt
;
2828 GLuint num_samples
= texImage
->NumSamples
;
2832 /* Save the level=0 dimensions */
2833 stObj
->width0
= width
;
2834 stObj
->height0
= height
;
2835 stObj
->depth0
= depth
;
2836 stObj
->lastLevel
= levels
- 1;
2838 fmt
= st_mesa_format_to_pipe_format(st
, texImage
->TexFormat
);
2840 bindings
= default_bindings(st
, fmt
);
2842 /* Raise the sample count if the requested one is unsupported. */
2843 if (num_samples
> 1) {
2844 boolean found
= FALSE
;
2846 for (; num_samples
<= ctx
->Const
.MaxSamples
; num_samples
++) {
2847 if (screen
->is_format_supported(screen
, fmt
, PIPE_TEXTURE_2D
,
2849 PIPE_BIND_SAMPLER_VIEW
)) {
2850 /* Update the sample count in gl_texture_image as well. */
2851 texImage
->NumSamples
= num_samples
;
2862 st_gl_texture_dims_to_pipe_dims(texObj
->Target
,
2863 width
, height
, depth
,
2864 &ptWidth
, &ptHeight
, &ptDepth
, &ptLayers
);
2866 stObj
->pt
= st_texture_create(st
,
2867 gl_target_to_pipe(texObj
->Target
),
2873 ptLayers
, num_samples
,
2878 /* Set image resource pointers */
2879 for (level
= 0; level
< levels
; level
++) {
2881 for (face
= 0; face
< numFaces
; face
++) {
2882 struct st_texture_image
*stImage
=
2883 st_texture_image(texObj
->Image
[face
][level
]);
2884 pipe_resource_reference(&stImage
->pt
, stObj
->pt
);
2893 st_TestProxyTexImage(struct gl_context
*ctx
, GLenum target
,
2894 GLint level
, mesa_format format
,
2895 GLint width
, GLint height
,
2896 GLint depth
, GLint border
)
2898 struct st_context
*st
= st_context(ctx
);
2899 struct pipe_context
*pipe
= st
->pipe
;
2901 if (width
== 0 || height
== 0 || depth
== 0) {
2902 /* zero-sized images are legal, and always fit! */
2906 if (pipe
->screen
->can_create_resource
) {
2907 /* Ask the gallium driver if the texture is too large */
2908 struct gl_texture_object
*texObj
=
2909 _mesa_get_current_tex_object(ctx
, target
);
2910 struct pipe_resource pt
;
2912 /* Setup the pipe_resource object
2914 memset(&pt
, 0, sizeof(pt
));
2916 pt
.target
= gl_target_to_pipe(target
);
2917 pt
.format
= st_mesa_format_to_pipe_format(st
, format
);
2919 st_gl_texture_dims_to_pipe_dims(target
,
2920 width
, height
, depth
,
2921 &pt
.width0
, &pt
.height0
,
2922 &pt
.depth0
, &pt
.array_size
);
2924 if (level
== 0 && (texObj
->Sampler
.MinFilter
== GL_LINEAR
||
2925 texObj
->Sampler
.MinFilter
== GL_NEAREST
)) {
2926 /* assume just one mipmap level */
2930 /* assume a full set of mipmaps */
2931 pt
.last_level
= _mesa_logbase2(MAX3(width
, height
, depth
));
2934 return pipe
->screen
->can_create_resource(pipe
->screen
, &pt
);
2937 /* Use core Mesa fallback */
2938 return _mesa_test_proxy_teximage(ctx
, target
, level
, format
,
2939 width
, height
, depth
, border
);
2944 st_TextureView(struct gl_context
*ctx
,
2945 struct gl_texture_object
*texObj
,
2946 struct gl_texture_object
*origTexObj
)
2948 struct st_texture_object
*orig
= st_texture_object(origTexObj
);
2949 struct st_texture_object
*tex
= st_texture_object(texObj
);
2950 struct gl_texture_image
*image
= texObj
->Image
[0][0];
2952 const int numFaces
= _mesa_num_tex_faces(texObj
->Target
);
2953 const int numLevels
= texObj
->NumLevels
;
2958 pipe_resource_reference(&tex
->pt
, orig
->pt
);
2960 /* Set image resource pointers */
2961 for (level
= 0; level
< numLevels
; level
++) {
2962 for (face
= 0; face
< numFaces
; face
++) {
2963 struct st_texture_image
*stImage
=
2964 st_texture_image(texObj
->Image
[face
][level
]);
2965 pipe_resource_reference(&stImage
->pt
, tex
->pt
);
2969 tex
->surface_based
= GL_TRUE
;
2970 tex
->surface_format
=
2971 st_mesa_format_to_pipe_format(st_context(ctx
), image
->TexFormat
);
2973 tex
->width0
= image
->Width
;
2974 tex
->height0
= image
->Height
;
2975 tex
->depth0
= image
->Depth
;
2976 tex
->lastLevel
= numLevels
- 1;
2982 st_ClearTexSubImage(struct gl_context
*ctx
,
2983 struct gl_texture_image
*texImage
,
2984 GLint xoffset
, GLint yoffset
, GLint zoffset
,
2985 GLsizei width
, GLsizei height
, GLsizei depth
,
2986 const void *clearValue
)
2988 static const char zeros
[16] = {0};
2989 struct st_texture_image
*stImage
= st_texture_image(texImage
);
2990 struct pipe_resource
*pt
= stImage
->pt
;
2991 struct st_context
*st
= st_context(ctx
);
2992 struct pipe_context
*pipe
= st
->pipe
;
2993 unsigned level
= texImage
->Level
;
2994 struct pipe_box box
;
2999 u_box_3d(xoffset
, yoffset
, zoffset
+ texImage
->Face
,
3000 width
, height
, depth
, &box
);
3001 if (texImage
->TexObject
->Immutable
) {
3002 level
+= texImage
->TexObject
->MinLevel
;
3003 box
.z
+= texImage
->TexObject
->MinLayer
;
3006 pipe
->clear_texture(pipe
, pt
, level
, &box
, clearValue
? clearValue
: zeros
);
3010 st_init_texture_functions(struct dd_function_table
*functions
)
3012 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
3013 functions
->QueryInternalFormat
= st_QueryInternalFormat
;
3014 functions
->TexImage
= st_TexImage
;
3015 functions
->TexSubImage
= st_TexSubImage
;
3016 functions
->CompressedTexSubImage
= st_CompressedTexSubImage
;
3017 functions
->CopyTexSubImage
= st_CopyTexSubImage
;
3018 functions
->GenerateMipmap
= st_generate_mipmap
;
3020 functions
->GetTexSubImage
= st_GetTexSubImage
;
3022 /* compressed texture functions */
3023 functions
->CompressedTexImage
= st_CompressedTexImage
;
3024 functions
->GetCompressedTexSubImage
= _mesa_GetCompressedTexSubImage_sw
;
3026 functions
->NewTextureObject
= st_NewTextureObject
;
3027 functions
->NewTextureImage
= st_NewTextureImage
;
3028 functions
->DeleteTextureImage
= st_DeleteTextureImage
;
3029 functions
->DeleteTexture
= st_DeleteTextureObject
;
3030 functions
->AllocTextureImageBuffer
= st_AllocTextureImageBuffer
;
3031 functions
->FreeTextureImageBuffer
= st_FreeTextureImageBuffer
;
3032 functions
->MapTextureImage
= st_MapTextureImage
;
3033 functions
->UnmapTextureImage
= st_UnmapTextureImage
;
3035 /* XXX Temporary until we can query pipe's texture sizes */
3036 functions
->TestProxyTexImage
= st_TestProxyTexImage
;
3038 functions
->AllocTextureStorage
= st_AllocTextureStorage
;
3039 functions
->TextureView
= st_TextureView
;
3040 functions
->ClearTexSubImage
= st_ClearTexSubImage
;