1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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 **************************************************************************/
28 #include "main/imports.h"
29 #include "main/convolve.h"
30 #include "main/enums.h"
31 #include "main/image.h"
32 #include "main/macros.h"
33 #include "main/mipmap.h"
34 #include "main/pixel.h"
35 #include "main/texcompress.h"
36 #include "main/texformat.h"
37 #include "main/teximage.h"
38 #include "main/texobj.h"
39 #include "main/texstore.h"
41 #include "state_tracker/st_context.h"
42 #include "state_tracker/st_cb_fbo.h"
43 #include "state_tracker/st_cb_texture.h"
44 #include "state_tracker/st_format.h"
45 #include "state_tracker/st_public.h"
46 #include "state_tracker/st_texture.h"
47 #include "state_tracker/st_gen_mipmap.h"
49 #include "pipe/p_context.h"
50 #include "pipe/p_defines.h"
51 #include "pipe/p_inlines.h"
52 #include "util/p_tile.h"
53 #include "util/u_blit.h"
56 #define DBG if (0) printf
59 static INLINE
struct st_texture_image
*
60 st_texture_image(struct gl_texture_image
*img
)
62 return (struct st_texture_image
*) img
;
66 static enum pipe_texture_target
67 gl_target_to_pipe(GLenum target
)
71 return PIPE_TEXTURE_1D
;
74 case GL_TEXTURE_RECTANGLE_NV
:
75 return PIPE_TEXTURE_2D
;
78 return PIPE_TEXTURE_3D
;
80 case GL_TEXTURE_CUBE_MAP_ARB
:
81 return PIPE_TEXTURE_CUBE
;
91 * Return nominal bytes per texel for a compressed format, 0 for non-compressed
95 compressed_num_bytes(GLuint mesaFormat
)
98 case MESA_FORMAT_RGB_FXT1
:
99 case MESA_FORMAT_RGBA_FXT1
:
100 case MESA_FORMAT_RGB_DXT1
:
101 case MESA_FORMAT_RGBA_DXT1
:
103 case MESA_FORMAT_RGBA_DXT3
:
104 case MESA_FORMAT_RGBA_DXT5
:
113 st_IsTextureResident(GLcontext
* ctx
, struct gl_texture_object
*texObj
)
116 struct intel_context
*intel
= intel_context(ctx
);
117 struct st_texture_object
*stObj
= st_texture_object(texObj
);
122 intel_is_region_resident(intel
, stObj
->pt
->region
);
128 static struct gl_texture_image
*
129 st_NewTextureImage(GLcontext
* ctx
)
131 DBG("%s\n", __FUNCTION__
);
133 return (struct gl_texture_image
*) CALLOC_STRUCT(st_texture_image
);
137 static struct gl_texture_object
*
138 st_NewTextureObject(GLcontext
* ctx
, GLuint name
, GLenum target
)
140 struct st_texture_object
*obj
= CALLOC_STRUCT(st_texture_object
);
142 DBG("%s\n", __FUNCTION__
);
143 _mesa_initialize_texture_object(&obj
->base
, name
, target
);
149 st_DeleteTextureObject(GLcontext
*ctx
,
150 struct gl_texture_object
*texObj
)
152 struct st_texture_object
*stObj
= st_texture_object(texObj
);
154 pipe_texture_reference(&stObj
->pt
, NULL
);
156 _mesa_delete_texture_object(ctx
, texObj
);
161 st_FreeTextureImageData(GLcontext
* ctx
, struct gl_texture_image
*texImage
)
163 struct st_texture_image
*stImage
= st_texture_image(texImage
);
165 DBG("%s\n", __FUNCTION__
);
168 pipe_texture_reference(&stImage
->pt
, NULL
);
171 if (texImage
->Data
) {
172 free(texImage
->Data
);
173 texImage
->Data
= NULL
;
178 /* ================================================================
179 * From linux kernel i386 header files, copes with odd sizes better
180 * than COPY_DWORDS would:
181 * XXX Put this in src/mesa/main/imports.h ???
183 #if defined(i386) || defined(__i386__)
185 __memcpy(void *to
, const void *from
, size_t n
)
188 __asm__
__volatile__("rep ; movsl\n\t"
192 "1:\ttestb $1,%b4\n\t"
194 "movsb\n" "2:":"=&c"(d0
), "=&D"(d1
), "=&S"(d2
)
195 :"0"(n
/ 4), "q"(n
), "1"((long) to
), "2"((long) from
)
200 #define __memcpy(a,b,c) memcpy(a,b,c)
204 /* The system memcpy (at least on ubuntu 5.10) has problems copying
205 * to agp (writecombined) memory from a source which isn't 64-byte
206 * aligned - there is a 4x performance falloff.
208 * The x86 __memcpy is immune to this but is slightly slower
209 * (10%-ish) than the system memcpy.
211 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
212 * isn't much faster than x86_memcpy for agp copies.
214 * TODO: switch dynamically.
217 do_memcpy(void *dest
, const void *src
, size_t n
)
219 if ((((unsigned) src
) & 63) || (((unsigned) dest
) & 63)) {
220 return __memcpy(dest
, src
, n
);
223 return memcpy(dest
, src
, n
);
227 /* Functions to store texture images. Where possible, textures
228 * will be created or further instantiated with image data, otherwise
229 * images will be stored in malloc'd memory. A validation step is
230 * required to pull those images into a texture, or otherwise
231 * decide a fallback is required.
251 * Allocate a pipe_texture object for the given st_texture_object using
252 * the given st_texture_image to guess the mipmap size/levels.
255 * Otherwise, store it in memory if (Border != 0) or (any dimension ==
258 * Otherwise, if max_level >= level >= min_level, create texture with
259 * space for images from min_level down to max_level.
261 * Otherwise, create texture with space for images from (level 0)..(1x1).
262 * Consider pruning this texture at a validation if the saving is worth it.
265 guess_and_alloc_texture(struct st_context
*st
,
266 struct st_texture_object
*stObj
,
267 const struct st_texture_image
*stImage
)
271 GLuint width
= stImage
->base
.Width2
; /* size w/out border */
272 GLuint height
= stImage
->base
.Height2
;
273 GLuint depth
= stImage
->base
.Depth2
;
274 GLuint i
, comp_byte
= 0;
276 DBG("%s\n", __FUNCTION__
);
281 stImage
->level
> stObj
->base
.BaseLevel
&&
282 (stImage
->base
.Width
== 1 ||
283 (stObj
->base
.Target
!= GL_TEXTURE_1D
&&
284 stImage
->base
.Height
== 1) ||
285 (stObj
->base
.Target
== GL_TEXTURE_3D
&&
286 stImage
->base
.Depth
== 1)))
289 /* If this image disrespects BaseLevel, allocate from level zero.
290 * Usually BaseLevel == 0, so it's unlikely to happen.
292 if (stImage
->level
< stObj
->base
.BaseLevel
)
295 firstLevel
= stObj
->base
.BaseLevel
;
298 /* Figure out image dimensions at start level.
300 for (i
= stImage
->level
; i
> firstLevel
; i
--) {
309 /* Guess a reasonable value for lastLevel. This is probably going
310 * to be wrong fairly often and might mean that we have to look at
311 * resizable buffers, or require that buffers implement lazy
312 * pagetable arrangements.
314 if ((stObj
->base
.MinFilter
== GL_NEAREST
||
315 stObj
->base
.MinFilter
== GL_LINEAR
) &&
316 stImage
->level
== firstLevel
) {
317 lastLevel
= firstLevel
;
320 GLuint l2width
= logbase2(width
);
321 GLuint l2height
= logbase2(height
);
322 GLuint l2depth
= logbase2(depth
);
323 lastLevel
= firstLevel
+ MAX2(MAX2(l2width
, l2height
), l2depth
);
326 if (stImage
->base
.IsCompressed
)
327 comp_byte
= compressed_num_bytes(stImage
->base
.TexFormat
->MesaFormat
);
329 stObj
->pt
= st_texture_create(st
,
330 gl_target_to_pipe(stObj
->base
.Target
),
331 st_mesa_format_to_pipe_format(stImage
->base
.TexFormat
->MesaFormat
),
338 DBG("%s - success\n", __FUNCTION__
);
342 /* There are actually quite a few combinations this will work for,
343 * more than what I've listed here.
346 check_pbo_format(GLint internalFormat
,
347 GLenum format
, GLenum type
,
348 const struct gl_texture_format
*mesa_format
)
350 switch (internalFormat
) {
353 return (format
== GL_BGRA
&&
354 (type
== GL_UNSIGNED_BYTE
||
355 type
== GL_UNSIGNED_INT_8_8_8_8_REV
) &&
356 mesa_format
== &_mesa_texformat_argb8888
);
359 return (format
== GL_RGB
&&
360 type
== GL_UNSIGNED_SHORT_5_6_5
&&
361 mesa_format
== &_mesa_texformat_rgb565
);
363 return (type
== GL_UNSIGNED_SHORT_8_8_MESA
|| type
== GL_UNSIGNED_BYTE
);
370 /* XXX: Do this for TexSubImage also:
373 try_pbo_upload(GLcontext
*ctx
,
374 struct st_texture_image
*stImage
,
375 const struct gl_pixelstore_attrib
*unpack
,
376 GLint internalFormat
,
377 GLint width
, GLint height
,
378 GLenum format
, GLenum type
, const void *pixels
)
380 return GL_FALSE
; /* XXX fix flushing/locking/blitting below */
382 struct intel_context
*intel
= intel_context(ctx
);
383 struct intel_buffer_object
*pbo
= intel_buffer_object(unpack
->BufferObj
);
384 GLuint src_offset
, src_stride
;
385 GLuint dst_offset
, dst_stride
;
388 ctx
._ImageTransferState
||
389 unpack
->SkipPixels
|| unpack
->SkipRows
) {
390 _mesa_printf("%s: failure 1\n", __FUNCTION__
);
394 src_offset
= (GLuint
) pixels
;
396 if (unpack
->RowLength
> 0)
397 src_stride
= unpack
->RowLength
;
401 dst_offset
= st_texture_image_offset(stImage
->pt
,
405 dst_stride
= stImage
->pt
->pitch
;
408 struct _DriBufferObject
*src_buffer
=
409 intel_bufferobj_buffer(intel
, pbo
, INTEL_READ
);
411 /* Temporary hack: cast to _DriBufferObject:
413 struct _DriBufferObject
*dst_buffer
=
414 (struct _DriBufferObject
*)stImage
->pt
->region
->buffer
;
417 intelEmitCopyBlit(intel
,
419 src_stride
, src_buffer
, src_offset
,
420 dst_stride
, dst_buffer
, dst_offset
,
421 0, 0, 0, 0, width
, height
,
431 * Adjust pixel unpack params and image dimensions to strip off the
433 * Gallium doesn't support texture borders. They've seldem been used
434 * and seldom been implemented correctly anyway.
435 * \param unpackNew returns the new pixel unpack parameters
438 strip_texture_border(GLint border
,
439 GLint
*width
, GLint
*height
, GLint
*depth
,
440 const struct gl_pixelstore_attrib
*unpack
,
441 struct gl_pixelstore_attrib
*unpackNew
)
443 assert(border
> 0); /* sanity check */
445 *unpackNew
= *unpack
;
447 if (unpackNew
->RowLength
== 0)
448 unpackNew
->RowLength
= *width
;
450 if (depth
&& unpackNew
->ImageHeight
== 0)
451 unpackNew
->ImageHeight
= *height
;
453 unpackNew
->SkipPixels
+= border
;
455 unpackNew
->SkipRows
+= border
;
457 unpackNew
->SkipImages
+= border
;
460 *width
= *width
- 2 * border
;
461 if (height
&& *height
>= 3)
462 *height
= *height
- 2 * border
;
463 if (depth
&& *depth
>= 3)
464 *depth
= *depth
- 2 * border
;
469 st_TexImage(GLcontext
* ctx
,
471 GLenum target
, GLint level
,
472 GLint internalFormat
,
473 GLint width
, GLint height
, GLint depth
,
475 GLenum format
, GLenum type
, const void *pixels
,
476 const struct gl_pixelstore_attrib
*unpack
,
477 struct gl_texture_object
*texObj
,
478 struct gl_texture_image
*texImage
,
479 GLsizei imageSize
, int compressed
)
481 struct pipe_context
*pipe
= ctx
->st
->pipe
;
482 struct st_texture_object
*stObj
= st_texture_object(texObj
);
483 struct st_texture_image
*stImage
= st_texture_image(texImage
);
484 GLint postConvWidth
, postConvHeight
;
485 GLint texelBytes
, sizeInBytes
;
487 struct gl_pixelstore_attrib unpackNB
;
489 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__
,
490 _mesa_lookup_enum_by_nr(target
), level
, width
, height
, depth
, border
);
492 /* gallium does not support texture borders, strip it off */
494 strip_texture_border(border
, &width
, &height
, &depth
,
497 texImage
->Width
= width
;
498 texImage
->Height
= height
;
499 texImage
->Depth
= depth
;
500 texImage
->Border
= 0;
504 postConvWidth
= width
;
505 postConvHeight
= height
;
507 stImage
->face
= _mesa_tex_target_to_face(target
);
508 stImage
->level
= level
;
510 if (ctx
->_ImageTransferState
& IMAGE_CONVOLUTION_BIT
) {
511 _mesa_adjust_image_for_convolution(ctx
, dims
, &postConvWidth
,
515 /* choose the texture format */
516 texImage
->TexFormat
= st_ChooseTextureFormat(ctx
, internalFormat
,
519 _mesa_set_fetch_functions(texImage
, dims
);
521 if (texImage
->TexFormat
->TexelBytes
== 0) {
522 /* must be a compressed format */
524 texImage
->IsCompressed
= GL_TRUE
;
525 texImage
->CompressedSize
=
526 ctx
->Driver
.CompressedTextureSize(ctx
, texImage
->Width
,
527 texImage
->Height
, texImage
->Depth
,
528 texImage
->TexFormat
->MesaFormat
);
531 texelBytes
= texImage
->TexFormat
->TexelBytes
;
533 /* Minimum pitch of 32 bytes */
534 if (postConvWidth
* texelBytes
< 32) {
535 postConvWidth
= 32 / texelBytes
;
536 texImage
->RowStride
= postConvWidth
;
539 /* we'll set RowStride elsewhere when the texture is a "mapped" state */
540 /*assert(texImage->RowStride == postConvWidth);*/
543 /* Release the reference to a potentially orphaned buffer.
544 * Release any old malloced memory.
547 pipe_texture_reference(&stImage
->pt
, NULL
);
548 assert(!texImage
->Data
);
550 else if (texImage
->Data
) {
551 _mesa_align_free(texImage
->Data
);
554 /* If this is the only mipmap level in the texture, could call
555 * bmBufferData with NULL data to free the old block and avoid
556 * waiting on any outstanding fences.
559 (stObj
->teximage_realloc
||
560 (/*stObj->pt->first_level == level &&*/
561 stObj
->pt
->last_level
== level
&&
562 stObj
->pt
->target
!= PIPE_TEXTURE_CUBE
&&
563 !st_texture_match_image(stObj
->pt
, &stImage
->base
,
564 stImage
->face
, stImage
->level
)))) {
567 pipe_texture_reference(&stObj
->pt
, NULL
);
569 stObj
->teximage_realloc
= FALSE
;
573 guess_and_alloc_texture(ctx
->st
, stObj
, stImage
);
575 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
580 assert(!stImage
->pt
);
583 st_texture_match_image(stObj
->pt
, &stImage
->base
,
584 stImage
->face
, stImage
->level
)) {
586 pipe_texture_reference(&stImage
->pt
, stObj
->pt
);
591 DBG("XXX: Image did not fit into texture - storing in local memory!\n");
593 #if 0 /* XXX FIX when st_buffer_objects are in place */
598 intel_buffer_object(unpack
->BufferObj
) &&
599 check_pbo_format(internalFormat
, format
,
600 type
, texImage
->TexFormat
)) {
602 DBG("trying pbo upload\n");
606 /* Otherwise, attempt to use the blitter for PBO image uploads.
608 if (try_pbo_upload(intel
, stImage
, unpack
,
610 width
, height
, format
, type
, pixels
)) {
611 DBG("pbo upload succeeded\n");
615 DBG("pbo upload failed\n");
618 (void) try_pbo_upload
;
619 (void) check_pbo_format
;
623 /* st_CopyTexImage calls this function with pixels == NULL, with
624 * the expectation that the texture will be set up but nothing
625 * more will be done. This is where those calls return:
628 pixels
= _mesa_validate_pbo_compressed_teximage(ctx
, imageSize
, pixels
,
630 "glCompressedTexImage");
632 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, 1,
634 pixels
, unpack
, "glTexImage");
640 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, 0);
641 dstRowStride
= stImage
->surface
->pitch
* stImage
->surface
->cpp
;
644 /* Allocate regular memory and store the image there temporarily. */
645 if (texImage
->IsCompressed
) {
646 sizeInBytes
= texImage
->CompressedSize
;
648 _mesa_compressed_row_stride(texImage
->TexFormat
->MesaFormat
, width
);
652 dstRowStride
= postConvWidth
* texelBytes
;
653 sizeInBytes
= depth
* dstRowStride
* postConvHeight
;
656 texImage
->Data
= malloc(sizeInBytes
);
659 DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
660 width
, height
, depth
, width
* texelBytes
, dstRowStride
);
662 /* Copy data. Would like to know when it's ok for us to eg. use
663 * the blitter to copy. Or, use the hardware to do the format
664 * conversion and copy:
667 memcpy(texImage
->Data
, pixels
, imageSize
);
670 GLuint srcImageStride
= _mesa_image_image_stride(unpack
, width
, height
,
673 const GLubyte
*src
= (const GLubyte
*) pixels
;
675 for (i
= 0; i
++ < depth
;) {
676 if (!texImage
->TexFormat
->StoreImage(ctx
, dims
,
677 texImage
->_BaseFormat
,
680 0, 0, 0, /* dstX/Y/Zoffset */
682 texImage
->ImageOffsets
,
684 format
, type
, src
, unpack
)) {
685 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
688 if (stImage
->pt
&& i
< depth
) {
689 st_texture_image_unmap(stImage
);
690 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, i
);
691 src
+= srcImageStride
;
696 _mesa_unmap_teximage_pbo(ctx
, unpack
);
699 st_texture_image_unmap(stImage
);
700 texImage
->Data
= NULL
;
704 pipe
->texture_update(pipe
, stObj
->pt
, stImage
->face
, (1 << level
));
706 if (level
== texObj
->BaseLevel
&& texObj
->GenerateMipmap
) {
707 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
713 st_TexImage3D(GLcontext
* ctx
,
714 GLenum target
, GLint level
,
715 GLint internalFormat
,
716 GLint width
, GLint height
, GLint depth
,
718 GLenum format
, GLenum type
, const void *pixels
,
719 const struct gl_pixelstore_attrib
*unpack
,
720 struct gl_texture_object
*texObj
,
721 struct gl_texture_image
*texImage
)
723 st_TexImage(ctx
, 3, target
, level
,
724 internalFormat
, width
, height
, depth
, border
,
725 format
, type
, pixels
, unpack
, texObj
, texImage
, 0, 0);
730 st_TexImage2D(GLcontext
* ctx
,
731 GLenum target
, GLint level
,
732 GLint internalFormat
,
733 GLint width
, GLint height
, GLint border
,
734 GLenum format
, GLenum type
, const void *pixels
,
735 const struct gl_pixelstore_attrib
*unpack
,
736 struct gl_texture_object
*texObj
,
737 struct gl_texture_image
*texImage
)
739 st_TexImage(ctx
, 2, target
, level
,
740 internalFormat
, width
, height
, 1, border
,
741 format
, type
, pixels
, unpack
, texObj
, texImage
, 0, 0);
746 st_TexImage1D(GLcontext
* ctx
,
747 GLenum target
, GLint level
,
748 GLint internalFormat
,
749 GLint width
, GLint border
,
750 GLenum format
, GLenum type
, const void *pixels
,
751 const struct gl_pixelstore_attrib
*unpack
,
752 struct gl_texture_object
*texObj
,
753 struct gl_texture_image
*texImage
)
755 st_TexImage(ctx
, 1, target
, level
,
756 internalFormat
, width
, 1, 1, border
,
757 format
, type
, pixels
, unpack
, texObj
, texImage
, 0, 0);
762 st_CompressedTexImage2D( GLcontext
*ctx
, GLenum target
, GLint level
,
763 GLint internalFormat
,
764 GLint width
, GLint height
, GLint border
,
765 GLsizei imageSize
, const GLvoid
*data
,
766 struct gl_texture_object
*texObj
,
767 struct gl_texture_image
*texImage
)
769 st_TexImage(ctx
, 2, target
, level
,
770 internalFormat
, width
, height
, 1, border
,
771 0, 0, data
, &ctx
->Unpack
, texObj
, texImage
, imageSize
, 1);
776 * Need to map texture image into memory before copying image data,
780 st_get_tex_image(GLcontext
* ctx
, GLenum target
, GLint level
,
781 GLenum format
, GLenum type
, GLvoid
* pixels
,
782 struct gl_texture_object
*texObj
,
783 struct gl_texture_image
*texImage
, int compressed
)
785 struct st_texture_image
*stImage
= st_texture_image(texImage
);
786 GLuint dstImageStride
= _mesa_image_image_stride(&ctx
->Pack
, texImage
->Width
,
787 texImage
->Height
, format
,
795 /* Image is stored in hardware format in a buffer managed by the
796 * kernel. Need to explicitly map and unmap it.
798 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, 0);
799 texImage
->RowStride
= stImage
->surface
->pitch
;
802 /* Otherwise, the image should actually be stored in
803 * texImage->Data. This is pretty confusing for
804 * everybody, I'd much prefer to separate the two functions of
805 * texImage->Data - storage for texture images in main memory
806 * and access (ie mappings) of images. In other words, we'd
807 * create a new texImage->Map field and leave Data simply for
810 assert(texImage
->Data
);
813 depth
= texImage
->Depth
;
816 dest
= (GLubyte
*) pixels
;
818 for (i
= 0; i
++ < depth
;) {
820 _mesa_get_compressed_teximage(ctx
, target
, level
, dest
,
823 _mesa_get_teximage(ctx
, target
, level
, format
, type
, dest
,
827 if (stImage
->pt
&& i
< depth
) {
828 st_texture_image_unmap(stImage
);
829 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, i
);
830 dest
+= dstImageStride
;
834 texImage
->Depth
= depth
;
838 st_texture_image_unmap(stImage
);
839 texImage
->Data
= NULL
;
845 st_GetTexImage(GLcontext
* ctx
, GLenum target
, GLint level
,
846 GLenum format
, GLenum type
, GLvoid
* pixels
,
847 struct gl_texture_object
*texObj
,
848 struct gl_texture_image
*texImage
)
850 st_get_tex_image(ctx
, target
, level
, format
, type
, pixels
,
851 texObj
, texImage
, 0);
856 st_GetCompressedTexImage(GLcontext
*ctx
, GLenum target
, GLint level
,
858 const struct gl_texture_object
*texObj
,
859 const struct gl_texture_image
*texImage
)
861 st_get_tex_image(ctx
, target
, level
, 0, 0, pixels
,
862 (struct gl_texture_object
*) texObj
,
863 (struct gl_texture_image
*) texImage
, 1);
869 st_TexSubimage(GLcontext
* ctx
,
871 GLenum target
, GLint level
,
872 GLint xoffset
, GLint yoffset
, GLint zoffset
,
873 GLint width
, GLint height
, GLint depth
,
874 GLenum format
, GLenum type
, const void *pixels
,
875 const struct gl_pixelstore_attrib
*packing
,
876 struct gl_texture_object
*texObj
,
877 struct gl_texture_image
*texImage
)
879 struct pipe_context
*pipe
= ctx
->st
->pipe
;
880 struct st_texture_object
*stObj
= st_texture_object(texObj
);
881 struct st_texture_image
*stImage
= st_texture_image(texImage
);
883 GLuint srcImageStride
= _mesa_image_image_stride(packing
, width
, height
,
888 DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__
,
889 _mesa_lookup_enum_by_nr(target
),
890 level
, xoffset
, yoffset
, width
, height
);
893 _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, depth
, format
,
894 type
, pixels
, packing
, "glTexSubImage2D");
898 /* Map buffer if necessary. Need to lock to prevent other contexts
899 * from uploading the buffer under us.
902 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, zoffset
);
903 dstRowStride
= stImage
->surface
->pitch
* stImage
->surface
->cpp
;
906 if (!texImage
->Data
) {
907 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
911 src
= (const GLubyte
*) pixels
;
913 for (i
= 0; i
++ < depth
;) {
914 if (!texImage
->TexFormat
->StoreImage(ctx
, dims
, texImage
->_BaseFormat
,
919 texImage
->ImageOffsets
,
921 format
, type
, src
, packing
)) {
922 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
925 if (stImage
->pt
&& i
< depth
) {
926 /* map next slice of 3D texture */
927 st_texture_image_unmap(stImage
);
928 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, zoffset
+ i
);
929 src
+= srcImageStride
;
933 if (level
== texObj
->BaseLevel
&& texObj
->GenerateMipmap
) {
934 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
937 _mesa_unmap_teximage_pbo(ctx
, packing
);
940 st_texture_image_unmap(stImage
);
941 texImage
->Data
= NULL
;
944 pipe
->texture_update(pipe
, stObj
->pt
, stImage
->face
, (1 << level
));
950 st_TexSubImage3D(GLcontext
* ctx
,
953 GLint xoffset
, GLint yoffset
, GLint zoffset
,
954 GLsizei width
, GLsizei height
, GLsizei depth
,
955 GLenum format
, GLenum type
,
956 const GLvoid
* pixels
,
957 const struct gl_pixelstore_attrib
*packing
,
958 struct gl_texture_object
*texObj
,
959 struct gl_texture_image
*texImage
)
961 st_TexSubimage(ctx
, 3, target
, level
,
962 xoffset
, yoffset
, zoffset
,
963 width
, height
, depth
,
964 format
, type
, pixels
, packing
, texObj
, texImage
);
970 st_TexSubImage2D(GLcontext
* ctx
,
973 GLint xoffset
, GLint yoffset
,
974 GLsizei width
, GLsizei height
,
975 GLenum format
, GLenum type
,
976 const GLvoid
* pixels
,
977 const struct gl_pixelstore_attrib
*packing
,
978 struct gl_texture_object
*texObj
,
979 struct gl_texture_image
*texImage
)
981 st_TexSubimage(ctx
, 2, target
, level
,
984 format
, type
, pixels
, packing
, texObj
, texImage
);
989 st_TexSubImage1D(GLcontext
* ctx
,
994 GLenum format
, GLenum type
,
995 const GLvoid
* pixels
,
996 const struct gl_pixelstore_attrib
*packing
,
997 struct gl_texture_object
*texObj
,
998 struct gl_texture_image
*texImage
)
1000 st_TexSubimage(ctx
, 1, target
, level
,
1003 format
, type
, pixels
, packing
, texObj
, texImage
);
1009 * Return 0 for GL_TEXTURE_CUBE_MAP_POSITIVE_X,
1010 * 1 for GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
1012 * XXX duplicated from main/teximage.c
1015 texture_face(GLenum target
)
1017 if (target
>= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
&&
1018 target
<= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
)
1019 return (GLuint
) target
- (GLuint
) GL_TEXTURE_CUBE_MAP_POSITIVE_X
;
1027 * Do a CopyTexSubImage operation by mapping the source surface and
1028 * dest surface and using get_tile()/put_tile() to access the pixels/texels.
1030 * Note: srcY=0=TOP of renderbuffer
1033 fallback_copy_texsubimage(GLcontext
*ctx
,
1036 struct st_renderbuffer
*strb
,
1037 struct st_texture_image
*stImage
,
1039 GLint destX
, GLint destY
, GLint destZ
,
1040 GLint srcX
, GLint srcY
,
1041 GLsizei width
, GLsizei height
)
1043 struct pipe_context
*pipe
= ctx
->st
->pipe
;
1044 struct pipe_screen
*screen
= pipe
->screen
;
1045 const uint face
= texture_face(target
);
1046 struct pipe_texture
*pt
= stImage
->pt
;
1047 struct pipe_surface
*src_surf
, *dest_surf
;
1050 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
1052 /* determine bottom-to-top vs. top-to-bottom order */
1053 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
1054 destY
= height
- 1 - destY
;
1061 src_surf
= strb
->surface
;
1063 dest_surf
= screen
->get_tex_surface(screen
, pt
, face
, level
, destZ
);
1065 assert(width
<= MAX_WIDTH
);
1068 * To avoid a large temp memory allocation, do copy row by row.
1070 if (baseFormat
== GL_DEPTH_COMPONENT
) {
1071 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
1072 ctx
->Pixel
.DepthBias
!= 0.0F
);
1074 for (row
= 0; row
< height
; row
++, srcY
++, destY
+= yStep
) {
1075 uint data
[MAX_WIDTH
];
1076 pipe_get_tile_z(pipe
, src_surf
, srcX
, srcY
, width
, 1, data
);
1078 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
1080 pipe_put_tile_z(pipe
, dest_surf
, destX
, destY
, width
, 1, data
);
1085 for (row
= 0; row
< height
; row
++, srcY
++, destY
+= yStep
) {
1086 float data
[4 * MAX_WIDTH
];
1087 pipe_get_tile_rgba(pipe
, src_surf
, srcX
, srcY
, width
, 1, data
);
1088 /* XXX we're ignoring convolution for now */
1089 if (ctx
->_ImageTransferState
) {
1090 _mesa_apply_rgba_transfer_ops(ctx
,
1091 ctx
->_ImageTransferState
& ~IMAGE_CONVOLUTION_BIT
,
1092 width
, (GLfloat (*)[4]) data
);
1094 pipe_put_tile_rgba(pipe
, dest_surf
, destX
, destY
, width
, 1, data
);
1103 * Do a CopyTex[Sub]Image using an optimized hardware (blit) path.
1104 * Note that the region to copy has already been clip tested.
1106 * Note: srcY=0=Bottom of renderbuffer
1108 * \return GL_TRUE if success, GL_FALSE if failure (use a fallback)
1111 do_copy_texsubimage(GLcontext
*ctx
,
1112 GLenum target
, GLint level
,
1113 GLint destX
, GLint destY
, GLint destZ
,
1114 GLint srcX
, GLint srcY
,
1115 GLsizei width
, GLsizei height
)
1117 struct gl_texture_unit
*texUnit
=
1118 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1119 struct gl_texture_object
*texObj
=
1120 _mesa_select_tex_object(ctx
, texUnit
, target
);
1121 struct gl_texture_image
*texImage
=
1122 _mesa_select_tex_image(ctx
, texObj
, target
, level
);
1123 struct st_texture_image
*stImage
= st_texture_image(texImage
);
1124 struct st_texture_object
*stObj
= st_texture_object(texObj
);
1125 GLenum baseFormat
= texImage
->InternalFormat
;
1126 struct gl_framebuffer
*fb
= ctx
->ReadBuffer
;
1127 struct st_renderbuffer
*strb
;
1128 struct pipe_context
*pipe
= ctx
->st
->pipe
;
1129 struct pipe_screen
*screen
= pipe
->screen
;
1130 struct pipe_surface
*dest_surface
;
1131 uint dest_format
, src_format
;
1132 uint do_flip
= FALSE
;
1133 GLboolean use_fallback
= GL_TRUE
;
1137 /* determine if copying depth or color data */
1138 if (baseFormat
== GL_DEPTH_COMPONENT
) {
1139 strb
= st_renderbuffer(fb
->_DepthBuffer
);
1141 else if (baseFormat
== GL_DEPTH_STENCIL_EXT
) {
1142 strb
= st_renderbuffer(fb
->_StencilBuffer
);
1145 /* baseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
1146 strb
= st_renderbuffer(fb
->_ColorReadBuffer
);
1150 assert(strb
->surface
);
1151 assert(stImage
->pt
);
1153 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
1154 srcY
= strb
->Base
.Height
- srcY
- height
;
1158 src_format
= strb
->surface
->format
;
1159 dest_format
= stImage
->pt
->format
;
1161 dest_surface
= screen
->get_tex_surface(screen
, stImage
->pt
, stImage
->face
,
1162 stImage
->level
, destZ
);
1164 if (ctx
->_ImageTransferState
== 0x0 &&
1165 strb
->surface
->buffer
&&
1166 dest_surface
->buffer
) {
1167 /* do blit-style copy */
1169 /* XXX may need to invert image depending on window
1170 * vs. user-created FBO
1174 /* A bit of fiddling to get the blitter to work with -ve
1175 * pitches. But we get a nice inverted blit this way, so it's
1178 intelEmitCopyBlit(intel
,
1182 src
->height
* src
->pitch
* src
->cpp
,
1184 stImage
->pt
->region
->buffer
,
1186 x
, y
+ height
, dstx
, dsty
, width
, height
,
1190 if (src_format
== dest_format
) {
1191 pipe
->surface_copy(pipe
,
1201 use_fallback
= GL_FALSE
;
1203 else if (screen
->is_format_supported(screen
, strb
->surface
->format
,
1205 screen
->is_format_supported(screen
, dest_surface
->format
,
1207 util_blit_pixels(ctx
->st
->blit
,
1209 srcX
, do_flip
? srcY
+ height
: srcY
,
1210 srcX
+ width
, do_flip
? srcY
: srcY
+ height
,
1212 destX
, destY
, destX
+ width
, destY
+ height
,
1213 0.0, PIPE_TEX_MIPFILTER_NEAREST
);
1214 use_fallback
= GL_FALSE
;
1220 fallback_copy_texsubimage(ctx
, target
, level
,
1221 strb
, stImage
, baseFormat
,
1222 destX
, destY
, destZ
,
1223 srcX
, srcY
, width
, height
);
1226 pipe_surface_reference(&dest_surface
, NULL
);
1228 pipe
->texture_update(pipe
, stObj
->pt
, stImage
->face
, (1 << level
));
1230 if (level
== texObj
->BaseLevel
&& texObj
->GenerateMipmap
) {
1231 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
1238 st_CopyTexImage1D(GLcontext
* ctx
, GLenum target
, GLint level
,
1239 GLenum internalFormat
,
1240 GLint x
, GLint y
, GLsizei width
, GLint border
)
1242 struct gl_texture_unit
*texUnit
=
1243 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1244 struct gl_texture_object
*texObj
=
1245 _mesa_select_tex_object(ctx
, texUnit
, target
);
1246 struct gl_texture_image
*texImage
=
1247 _mesa_select_tex_image(ctx
, texObj
, target
, level
);
1254 /* Setup or redefine the texture object, texture and texture
1255 * image. Don't populate yet.
1257 ctx
->Driver
.TexImage1D(ctx
, target
, level
, internalFormat
,
1259 GL_RGBA
, CHAN_TYPE
, NULL
,
1260 &ctx
->DefaultPacking
, texObj
, texImage
);
1262 do_copy_texsubimage(ctx
, target
, level
,
1269 st_CopyTexImage2D(GLcontext
* ctx
, GLenum target
, GLint level
,
1270 GLenum internalFormat
,
1271 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
1274 struct gl_texture_unit
*texUnit
=
1275 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1276 struct gl_texture_object
*texObj
=
1277 _mesa_select_tex_object(ctx
, texUnit
, target
);
1278 struct gl_texture_image
*texImage
=
1279 _mesa_select_tex_image(ctx
, texObj
, target
, level
);
1286 /* Setup or redefine the texture object, texture and texture
1287 * image. Don't populate yet.
1289 ctx
->Driver
.TexImage2D(ctx
, target
, level
, internalFormat
,
1290 width
, height
, border
,
1291 GL_RGBA
, CHAN_TYPE
, NULL
,
1292 &ctx
->DefaultPacking
, texObj
, texImage
);
1295 do_copy_texsubimage(ctx
, target
, level
,
1297 x
, y
, width
, height
);
1302 st_CopyTexSubImage1D(GLcontext
* ctx
, GLenum target
, GLint level
,
1303 GLint xoffset
, GLint x
, GLint y
, GLsizei width
)
1305 const GLint yoffset
= 0, zoffset
= 0;
1306 const GLsizei height
= 1;
1307 do_copy_texsubimage(ctx
, target
, level
,
1308 xoffset
, yoffset
, zoffset
,
1309 x
, y
, width
, height
);
1314 st_CopyTexSubImage2D(GLcontext
* ctx
, GLenum target
, GLint level
,
1315 GLint xoffset
, GLint yoffset
,
1316 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
1318 const GLint zoffset
= 0;
1319 do_copy_texsubimage(ctx
, target
, level
,
1320 xoffset
, yoffset
, zoffset
,
1321 x
, y
, width
, height
);
1326 st_CopyTexSubImage3D(GLcontext
* ctx
, GLenum target
, GLint level
,
1327 GLint xoffset
, GLint yoffset
, GLint zoffset
,
1328 GLint x
, GLint y
, GLsizei width
, GLsizei height
)
1330 do_copy_texsubimage(ctx
, target
, level
,
1331 xoffset
, yoffset
, zoffset
,
1332 x
, y
, width
, height
);
1339 * Compute which mipmap levels that really need to be sent to the hardware.
1340 * This depends on the base image size, GL_TEXTURE_MIN_LOD,
1341 * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL.
1344 calculate_first_last_level(struct st_texture_object
*stObj
)
1346 struct gl_texture_object
*tObj
= &stObj
->base
;
1348 /* These must be signed values. MinLod and MaxLod can be negative numbers,
1349 * and having firstLevel and lastLevel as signed prevents the need for
1350 * extra sign checks.
1355 /* Yes, this looks overly complicated, but it's all needed.
1357 switch (tObj
->Target
) {
1361 case GL_TEXTURE_CUBE_MAP
:
1362 if (tObj
->MinFilter
== GL_NEAREST
|| tObj
->MinFilter
== GL_LINEAR
) {
1363 /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
1365 firstLevel
= lastLevel
= tObj
->BaseLevel
;
1369 lastLevel
= MIN2(tObj
->MaxLevel
, tObj
->Image
[0][tObj
->BaseLevel
]->WidthLog2
);
1372 case GL_TEXTURE_RECTANGLE_NV
:
1373 case GL_TEXTURE_4D_SGIS
:
1374 firstLevel
= lastLevel
= 0;
1380 stObj
->lastLevel
= lastLevel
;
1385 copy_image_data_to_texture(struct st_context
*st
,
1386 struct st_texture_object
*stObj
,
1388 struct st_texture_image
*stImage
)
1391 /* Copy potentially with the blitter:
1393 st_texture_image_copy(st
->pipe
,
1394 stObj
->pt
, dstLevel
, /* dest texture, level */
1395 stImage
->pt
, /* src texture */
1399 pipe_texture_reference(&stImage
->pt
, NULL
);
1401 else if (stImage
->base
.Data
) {
1402 assert(stImage
->base
.Data
!= NULL
);
1404 /* More straightforward upload.
1406 st_texture_image_data(st
->pipe
,
1411 stImage
->base
.RowStride
,
1412 stImage
->base
.RowStride
*
1413 stImage
->base
.Height
);
1414 _mesa_align_free(stImage
->base
.Data
);
1415 stImage
->base
.Data
= NULL
;
1418 pipe_texture_reference(&stImage
->pt
, stObj
->pt
);
1423 * Called during state validation. When this function is finished,
1424 * the texture object should be ready for rendering.
1425 * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
1428 st_finalize_texture(GLcontext
*ctx
,
1429 struct pipe_context
*pipe
,
1430 struct gl_texture_object
*tObj
,
1431 GLboolean
*needFlush
)
1433 struct st_texture_object
*stObj
= st_texture_object(tObj
);
1434 const GLuint nr_faces
= (stObj
->base
.Target
== GL_TEXTURE_CUBE_MAP
) ? 6 : 1;
1438 struct st_texture_image
*firstImage
;
1440 *needFlush
= GL_FALSE
;
1442 /* We know/require this is true by now:
1444 assert(stObj
->base
._Complete
);
1446 /* What levels must the texture include at a minimum?
1448 calculate_first_last_level(stObj
);
1449 firstImage
= st_texture_image(stObj
->base
.Image
[0][stObj
->base
.BaseLevel
]);
1451 /* If both firstImage and stObj point to a texture which can contain
1452 * all active images, favour firstImage. Note that because of the
1453 * completeness requirement, we know that the image dimensions
1456 if (firstImage
->pt
&&
1457 firstImage
->pt
!= stObj
->pt
&&
1458 firstImage
->pt
->last_level
>= stObj
->lastLevel
) {
1460 pipe_texture_reference(&stObj
->pt
, firstImage
->pt
);
1463 if (firstImage
->base
.IsCompressed
) {
1464 comp_byte
= compressed_num_bytes(firstImage
->base
.TexFormat
->MesaFormat
);
1468 cpp
= firstImage
->base
.TexFormat
->TexelBytes
;
1471 /* If we already have a gallium texture, check that it matches the texture
1472 * object's format, target, size, num_levels, etc.
1475 const enum pipe_format fmt
=
1476 st_mesa_format_to_pipe_format(firstImage
->base
.TexFormat
->MesaFormat
);
1477 if (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
1478 stObj
->pt
->format
!= fmt
||
1479 stObj
->pt
->last_level
< stObj
->lastLevel
||
1480 stObj
->pt
->width
[0] != firstImage
->base
.Width2
||
1481 stObj
->pt
->height
[0] != firstImage
->base
.Height2
||
1482 stObj
->pt
->depth
[0] != firstImage
->base
.Depth2
||
1483 stObj
->pt
->cpp
!= cpp
||
1484 stObj
->pt
->compressed
!= firstImage
->base
.IsCompressed
) {
1485 pipe_texture_release(&stObj
->pt
);
1489 /* May need to create a new gallium texture:
1492 stObj
->pt
= st_texture_create(ctx
->st
,
1493 gl_target_to_pipe(stObj
->base
.Target
),
1494 st_mesa_format_to_pipe_format(firstImage
->base
.TexFormat
->MesaFormat
),
1496 firstImage
->base
.Width2
,
1497 firstImage
->base
.Height2
,
1498 firstImage
->base
.Depth2
,
1501 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
1506 /* Pull in any images not in the object's texture:
1508 for (face
= 0; face
< nr_faces
; face
++) {
1510 for (level
= 0; level
<= stObj
->lastLevel
; level
++) {
1511 struct st_texture_image
*stImage
=
1512 st_texture_image(stObj
->base
.Image
[face
][stObj
->base
.BaseLevel
+ level
]);
1514 /* Need to import images in main memory or held in other textures.
1516 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
1517 copy_image_data_to_texture(ctx
->st
, stObj
, level
, stImage
);
1518 *needFlush
= GL_TRUE
;
1519 pipe
->texture_update(pipe
, stObj
->pt
, face
, (1 << level
));
1531 st_init_texture_functions(struct dd_function_table
*functions
)
1533 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
1534 functions
->TexImage1D
= st_TexImage1D
;
1535 functions
->TexImage2D
= st_TexImage2D
;
1536 functions
->TexImage3D
= st_TexImage3D
;
1537 functions
->TexSubImage1D
= st_TexSubImage1D
;
1538 functions
->TexSubImage2D
= st_TexSubImage2D
;
1539 functions
->TexSubImage3D
= st_TexSubImage3D
;
1540 functions
->CopyTexImage1D
= st_CopyTexImage1D
;
1541 functions
->CopyTexImage2D
= st_CopyTexImage2D
;
1542 functions
->CopyTexSubImage1D
= st_CopyTexSubImage1D
;
1543 functions
->CopyTexSubImage2D
= st_CopyTexSubImage2D
;
1544 functions
->CopyTexSubImage3D
= st_CopyTexSubImage3D
;
1545 functions
->GenerateMipmap
= st_generate_mipmap
;
1547 functions
->GetTexImage
= st_GetTexImage
;
1549 /* compressed texture functions */
1550 functions
->CompressedTexImage2D
= st_CompressedTexImage2D
;
1551 functions
->GetCompressedTexImage
= st_GetCompressedTexImage
;
1552 functions
->CompressedTextureSize
= _mesa_compressed_texture_size
;
1554 functions
->NewTextureObject
= st_NewTextureObject
;
1555 functions
->NewTextureImage
= st_NewTextureImage
;
1556 functions
->DeleteTexture
= st_DeleteTextureObject
;
1557 functions
->FreeTexImageData
= st_FreeTextureImageData
;
1558 functions
->UpdateTexturePalette
= 0;
1559 functions
->IsTextureResident
= st_IsTextureResident
;
1561 functions
->TextureMemCpy
= do_memcpy
;
1563 /* XXX Temporary until we can query pipe's texture sizes */
1564 functions
->TestProxyTexImage
= _mesa_test_proxy_teximage
;