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_release(&stObj
->pt
);
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_release(&stImage
->pt
);
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
),
337 ( PIPE_TEXTURE_USAGE_RENDER_TARGET
|
338 PIPE_TEXTURE_USAGE_SAMPLER
));
340 DBG("%s - success\n", __FUNCTION__
);
344 /* There are actually quite a few combinations this will work for,
345 * more than what I've listed here.
348 check_pbo_format(GLint internalFormat
,
349 GLenum format
, GLenum type
,
350 const struct gl_texture_format
*mesa_format
)
352 switch (internalFormat
) {
355 return (format
== GL_BGRA
&&
356 (type
== GL_UNSIGNED_BYTE
||
357 type
== GL_UNSIGNED_INT_8_8_8_8_REV
) &&
358 mesa_format
== &_mesa_texformat_argb8888
);
361 return (format
== GL_RGB
&&
362 type
== GL_UNSIGNED_SHORT_5_6_5
&&
363 mesa_format
== &_mesa_texformat_rgb565
);
365 return (type
== GL_UNSIGNED_SHORT_8_8_MESA
|| type
== GL_UNSIGNED_BYTE
);
372 /* XXX: Do this for TexSubImage also:
375 try_pbo_upload(GLcontext
*ctx
,
376 struct st_texture_image
*stImage
,
377 const struct gl_pixelstore_attrib
*unpack
,
378 GLint internalFormat
,
379 GLint width
, GLint height
,
380 GLenum format
, GLenum type
, const void *pixels
)
382 return GL_FALSE
; /* XXX fix flushing/locking/blitting below */
384 struct intel_context
*intel
= intel_context(ctx
);
385 struct intel_buffer_object
*pbo
= intel_buffer_object(unpack
->BufferObj
);
386 GLuint src_offset
, src_stride
;
387 GLuint dst_offset
, dst_stride
;
390 ctx
._ImageTransferState
||
391 unpack
->SkipPixels
|| unpack
->SkipRows
) {
392 _mesa_printf("%s: failure 1\n", __FUNCTION__
);
396 src_offset
= (GLuint
) pixels
;
398 if (unpack
->RowLength
> 0)
399 src_stride
= unpack
->RowLength
;
403 dst_offset
= st_texture_image_offset(stImage
->pt
,
407 dst_stride
= stImage
->pt
->pitch
;
410 struct _DriBufferObject
*src_buffer
=
411 intel_bufferobj_buffer(intel
, pbo
, INTEL_READ
);
413 /* Temporary hack: cast to _DriBufferObject:
415 struct _DriBufferObject
*dst_buffer
=
416 (struct _DriBufferObject
*)stImage
->pt
->region
->buffer
;
419 intelEmitCopyBlit(intel
,
421 src_stride
, src_buffer
, src_offset
,
422 dst_stride
, dst_buffer
, dst_offset
,
423 0, 0, 0, 0, width
, height
,
433 * Adjust pixel unpack params and image dimensions to strip off the
435 * Gallium doesn't support texture borders. They've seldem been used
436 * and seldom been implemented correctly anyway.
437 * \param unpackNew returns the new pixel unpack parameters
440 strip_texture_border(GLint border
,
441 GLint
*width
, GLint
*height
, GLint
*depth
,
442 const struct gl_pixelstore_attrib
*unpack
,
443 struct gl_pixelstore_attrib
*unpackNew
)
445 assert(border
> 0); /* sanity check */
447 *unpackNew
= *unpack
;
449 if (unpackNew
->RowLength
== 0)
450 unpackNew
->RowLength
= *width
;
452 if (depth
&& unpackNew
->ImageHeight
== 0)
453 unpackNew
->ImageHeight
= *height
;
455 unpackNew
->SkipPixels
+= border
;
457 unpackNew
->SkipRows
+= border
;
459 unpackNew
->SkipImages
+= border
;
462 *width
= *width
- 2 * border
;
463 if (height
&& *height
>= 3)
464 *height
= *height
- 2 * border
;
465 if (depth
&& *depth
>= 3)
466 *depth
= *depth
- 2 * border
;
471 st_TexImage(GLcontext
* ctx
,
473 GLenum target
, GLint level
,
474 GLint internalFormat
,
475 GLint width
, GLint height
, GLint depth
,
477 GLenum format
, GLenum type
, const void *pixels
,
478 const struct gl_pixelstore_attrib
*unpack
,
479 struct gl_texture_object
*texObj
,
480 struct gl_texture_image
*texImage
,
481 GLsizei imageSize
, int compressed
)
483 struct st_texture_object
*stObj
= st_texture_object(texObj
);
484 struct st_texture_image
*stImage
= st_texture_image(texImage
);
485 GLint postConvWidth
, postConvHeight
;
486 GLint texelBytes
, sizeInBytes
;
488 struct gl_pixelstore_attrib unpackNB
;
490 DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__
,
491 _mesa_lookup_enum_by_nr(target
), level
, width
, height
, depth
, border
);
493 /* gallium does not support texture borders, strip it off */
495 strip_texture_border(border
, &width
, &height
, &depth
,
498 texImage
->Width
= width
;
499 texImage
->Height
= height
;
500 texImage
->Depth
= depth
;
501 texImage
->Border
= 0;
505 postConvWidth
= width
;
506 postConvHeight
= height
;
508 stImage
->face
= _mesa_tex_target_to_face(target
);
509 stImage
->level
= level
;
511 if (ctx
->_ImageTransferState
& IMAGE_CONVOLUTION_BIT
) {
512 _mesa_adjust_image_for_convolution(ctx
, dims
, &postConvWidth
,
516 /* choose the texture format */
517 texImage
->TexFormat
= st_ChooseTextureFormat(ctx
, internalFormat
,
520 _mesa_set_fetch_functions(texImage
, dims
);
522 if (texImage
->TexFormat
->TexelBytes
== 0) {
523 /* must be a compressed format */
525 texImage
->IsCompressed
= GL_TRUE
;
526 texImage
->CompressedSize
=
527 ctx
->Driver
.CompressedTextureSize(ctx
, texImage
->Width
,
528 texImage
->Height
, texImage
->Depth
,
529 texImage
->TexFormat
->MesaFormat
);
532 texelBytes
= texImage
->TexFormat
->TexelBytes
;
534 /* Minimum pitch of 32 bytes */
535 if (postConvWidth
* texelBytes
< 32) {
536 postConvWidth
= 32 / texelBytes
;
537 texImage
->RowStride
= postConvWidth
;
540 /* we'll set RowStride elsewhere when the texture is a "mapped" state */
541 /*assert(texImage->RowStride == postConvWidth);*/
544 /* Release the reference to a potentially orphaned buffer.
545 * Release any old malloced memory.
548 pipe_texture_release(&stImage
->pt
);
549 assert(!texImage
->Data
);
551 else if (texImage
->Data
) {
552 _mesa_align_free(texImage
->Data
);
555 /* If this is the only mipmap level in the texture, could call
556 * bmBufferData with NULL data to free the old block and avoid
557 * waiting on any outstanding fences.
560 (stObj
->teximage_realloc
||
561 (/*stObj->pt->first_level == level &&*/
562 stObj
->pt
->last_level
== level
&&
563 stObj
->pt
->target
!= PIPE_TEXTURE_CUBE
&&
564 !st_texture_match_image(stObj
->pt
, &stImage
->base
,
565 stImage
->face
, stImage
->level
)))) {
568 pipe_texture_release(&stObj
->pt
);
570 stObj
->teximage_realloc
= FALSE
;
574 guess_and_alloc_texture(ctx
->st
, stObj
, stImage
);
576 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
581 assert(!stImage
->pt
);
584 st_texture_match_image(stObj
->pt
, &stImage
->base
,
585 stImage
->face
, stImage
->level
)) {
587 pipe_texture_reference(&stImage
->pt
, stObj
->pt
);
592 DBG("XXX: Image did not fit into texture - storing in local memory!\n");
594 #if 0 /* XXX FIX when st_buffer_objects are in place */
599 intel_buffer_object(unpack
->BufferObj
) &&
600 check_pbo_format(internalFormat
, format
,
601 type
, texImage
->TexFormat
)) {
603 DBG("trying pbo upload\n");
607 /* Otherwise, attempt to use the blitter for PBO image uploads.
609 if (try_pbo_upload(intel
, stImage
, unpack
,
611 width
, height
, format
, type
, pixels
)) {
612 DBG("pbo upload succeeded\n");
616 DBG("pbo upload failed\n");
619 (void) try_pbo_upload
;
620 (void) check_pbo_format
;
624 /* st_CopyTexImage calls this function with pixels == NULL, with
625 * the expectation that the texture will be set up but nothing
626 * more will be done. This is where those calls return:
629 pixels
= _mesa_validate_pbo_compressed_teximage(ctx
, imageSize
, pixels
,
631 "glCompressedTexImage");
633 pixels
= _mesa_validate_pbo_teximage(ctx
, dims
, width
, height
, 1,
635 pixels
, unpack
, "glTexImage");
641 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, 0,
642 PIPE_BUFFER_USAGE_CPU_WRITE
);
643 dstRowStride
= stImage
->surface
->pitch
* stImage
->surface
->cpp
;
646 /* Allocate regular memory and store the image there temporarily. */
647 if (texImage
->IsCompressed
) {
648 sizeInBytes
= texImage
->CompressedSize
;
650 _mesa_compressed_row_stride(texImage
->TexFormat
->MesaFormat
, width
);
654 dstRowStride
= postConvWidth
* texelBytes
;
655 sizeInBytes
= depth
* dstRowStride
* postConvHeight
;
658 texImage
->Data
= malloc(sizeInBytes
);
661 DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
662 width
, height
, depth
, width
* texelBytes
, dstRowStride
);
664 /* Copy data. Would like to know when it's ok for us to eg. use
665 * the blitter to copy. Or, use the hardware to do the format
666 * conversion and copy:
669 memcpy(texImage
->Data
, pixels
, imageSize
);
672 GLuint srcImageStride
= _mesa_image_image_stride(unpack
, width
, height
,
675 const GLubyte
*src
= (const GLubyte
*) pixels
;
677 for (i
= 0; i
++ < depth
;) {
678 if (!texImage
->TexFormat
->StoreImage(ctx
, dims
,
679 texImage
->_BaseFormat
,
682 0, 0, 0, /* dstX/Y/Zoffset */
684 texImage
->ImageOffsets
,
686 format
, type
, src
, unpack
)) {
687 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
690 if (stImage
->pt
&& i
< depth
) {
691 st_texture_image_unmap(ctx
->st
, stImage
);
692 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, i
,
693 PIPE_BUFFER_USAGE_CPU_WRITE
);
694 src
+= srcImageStride
;
699 _mesa_unmap_teximage_pbo(ctx
, unpack
);
702 st_texture_image_unmap(ctx
->st
, stImage
);
703 texImage
->Data
= NULL
;
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 PIPE_BUFFER_USAGE_CPU_READ
);
800 texImage
->RowStride
= stImage
->surface
->pitch
;
803 /* Otherwise, the image should actually be stored in
804 * texImage->Data. This is pretty confusing for
805 * everybody, I'd much prefer to separate the two functions of
806 * texImage->Data - storage for texture images in main memory
807 * and access (ie mappings) of images. In other words, we'd
808 * create a new texImage->Map field and leave Data simply for
811 assert(texImage
->Data
);
814 depth
= texImage
->Depth
;
817 dest
= (GLubyte
*) pixels
;
819 for (i
= 0; i
++ < depth
;) {
821 _mesa_get_compressed_teximage(ctx
, target
, level
, dest
,
824 _mesa_get_teximage(ctx
, target
, level
, format
, type
, dest
,
828 if (stImage
->pt
&& i
< depth
) {
829 st_texture_image_unmap(ctx
->st
, stImage
);
830 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, i
,
831 PIPE_BUFFER_USAGE_CPU_READ
);
832 dest
+= dstImageStride
;
836 texImage
->Depth
= depth
;
840 st_texture_image_unmap(ctx
->st
, stImage
);
841 texImage
->Data
= NULL
;
847 st_GetTexImage(GLcontext
* ctx
, GLenum target
, GLint level
,
848 GLenum format
, GLenum type
, GLvoid
* pixels
,
849 struct gl_texture_object
*texObj
,
850 struct gl_texture_image
*texImage
)
852 st_get_tex_image(ctx
, target
, level
, format
, type
, pixels
,
853 texObj
, texImage
, 0);
858 st_GetCompressedTexImage(GLcontext
*ctx
, GLenum target
, GLint level
,
860 const struct gl_texture_object
*texObj
,
861 const struct gl_texture_image
*texImage
)
863 st_get_tex_image(ctx
, target
, level
, 0, 0, pixels
,
864 (struct gl_texture_object
*) texObj
,
865 (struct gl_texture_image
*) texImage
, 1);
871 st_TexSubimage(GLcontext
* ctx
,
873 GLenum target
, GLint level
,
874 GLint xoffset
, GLint yoffset
, GLint zoffset
,
875 GLint width
, GLint height
, GLint depth
,
876 GLenum format
, GLenum type
, const void *pixels
,
877 const struct gl_pixelstore_attrib
*packing
,
878 struct gl_texture_object
*texObj
,
879 struct gl_texture_image
*texImage
)
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 PIPE_BUFFER_USAGE_CPU_WRITE
);
904 dstRowStride
= stImage
->surface
->pitch
* stImage
->surface
->cpp
;
907 if (!texImage
->Data
) {
908 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
912 src
= (const GLubyte
*) pixels
;
914 for (i
= 0; i
++ < depth
;) {
915 if (!texImage
->TexFormat
->StoreImage(ctx
, dims
, texImage
->_BaseFormat
,
920 texImage
->ImageOffsets
,
922 format
, type
, src
, packing
)) {
923 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexSubImage");
926 if (stImage
->pt
&& i
< depth
) {
927 /* map next slice of 3D texture */
928 st_texture_image_unmap(ctx
->st
, stImage
);
929 texImage
->Data
= st_texture_image_map(ctx
->st
, stImage
, zoffset
+ i
,
930 PIPE_BUFFER_USAGE_CPU_WRITE
);
931 src
+= srcImageStride
;
935 if (level
== texObj
->BaseLevel
&& texObj
->GenerateMipmap
) {
936 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
939 _mesa_unmap_teximage_pbo(ctx
, packing
);
942 st_texture_image_unmap(ctx
->st
, stImage
);
943 texImage
->Data
= NULL
;
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
,
1064 PIPE_BUFFER_USAGE_CPU_WRITE
);
1066 assert(width
<= MAX_WIDTH
);
1069 * To avoid a large temp memory allocation, do copy row by row.
1071 if (baseFormat
== GL_DEPTH_COMPONENT
) {
1072 const GLboolean scaleOrBias
= (ctx
->Pixel
.DepthScale
!= 1.0F
||
1073 ctx
->Pixel
.DepthBias
!= 0.0F
);
1075 for (row
= 0; row
< height
; row
++, srcY
++, destY
+= yStep
) {
1076 uint data
[MAX_WIDTH
];
1077 pipe_get_tile_z(pipe
, src_surf
, srcX
, srcY
, width
, 1, data
);
1079 _mesa_scale_and_bias_depth_uint(ctx
, width
, data
);
1081 pipe_put_tile_z(pipe
, dest_surf
, destX
, destY
, width
, 1, data
);
1086 for (row
= 0; row
< height
; row
++, srcY
++, destY
+= yStep
) {
1087 float data
[4 * MAX_WIDTH
];
1088 pipe_get_tile_rgba(pipe
, src_surf
, srcX
, srcY
, width
, 1, data
);
1089 /* XXX we're ignoring convolution for now */
1090 if (ctx
->_ImageTransferState
) {
1091 _mesa_apply_rgba_transfer_ops(ctx
,
1092 ctx
->_ImageTransferState
& ~IMAGE_CONVOLUTION_BIT
,
1093 width
, (GLfloat (*)[4]) data
);
1095 pipe_put_tile_rgba(pipe
, dest_surf
, destX
, destY
, width
, 1, data
);
1104 * Do a CopyTex[Sub]Image using an optimized hardware (blit) path.
1105 * Note that the region to copy has already been clip tested.
1107 * Note: srcY=0=Bottom of renderbuffer
1109 * \return GL_TRUE if success, GL_FALSE if failure (use a fallback)
1112 do_copy_texsubimage(GLcontext
*ctx
,
1113 GLenum target
, GLint level
,
1114 GLint destX
, GLint destY
, GLint destZ
,
1115 GLint srcX
, GLint srcY
,
1116 GLsizei width
, GLsizei height
)
1118 struct gl_texture_unit
*texUnit
=
1119 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1120 struct gl_texture_object
*texObj
=
1121 _mesa_select_tex_object(ctx
, texUnit
, target
);
1122 struct gl_texture_image
*texImage
=
1123 _mesa_select_tex_image(ctx
, texObj
, target
, level
);
1124 struct st_texture_image
*stImage
= st_texture_image(texImage
);
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 uint dest_format
, src_format
;
1131 uint do_flip
= FALSE
;
1132 GLboolean use_fallback
= GL_TRUE
;
1136 /* determine if copying depth or color data */
1137 if (baseFormat
== GL_DEPTH_COMPONENT
) {
1138 strb
= st_renderbuffer(fb
->_DepthBuffer
);
1140 else if (baseFormat
== GL_DEPTH_STENCIL_EXT
) {
1141 strb
= st_renderbuffer(fb
->_StencilBuffer
);
1144 /* baseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
1145 strb
= st_renderbuffer(fb
->_ColorReadBuffer
);
1149 assert(strb
->surface
);
1150 assert(stImage
->pt
);
1152 if (st_fb_orientation(ctx
->ReadBuffer
) == Y_0_TOP
) {
1153 srcY
= strb
->Base
.Height
- srcY
- height
;
1157 src_format
= strb
->surface
->format
;
1158 dest_format
= stImage
->pt
->format
;
1160 if (ctx
->_ImageTransferState
== 0x0) {
1161 /* do blit-style copy */
1163 /* XXX may need to invert image depending on window
1164 * vs. user-created FBO
1168 /* A bit of fiddling to get the blitter to work with -ve
1169 * pitches. But we get a nice inverted blit this way, so it's
1172 intelEmitCopyBlit(intel
,
1176 src
->height
* src
->pitch
* src
->cpp
,
1178 stImage
->pt
->region
->buffer
,
1180 x
, y
+ height
, dstx
, dsty
, width
, height
,
1183 struct pipe_surface
*dest_surface
;
1185 dest_surface
= screen
->get_tex_surface(screen
, stImage
->pt
, stImage
->face
,
1186 stImage
->level
, destZ
,
1187 PIPE_BUFFER_USAGE_GPU_WRITE
);
1189 assert(strb
->surface
->buffer
);
1190 assert(dest_surface
->buffer
);
1192 if (src_format
== dest_format
) {
1193 pipe
->surface_copy(pipe
,
1203 use_fallback
= GL_FALSE
;
1205 else if (screen
->is_format_supported(screen
, strb
->surface
->format
,
1207 screen
->is_format_supported(screen
, dest_surface
->format
,
1209 util_blit_pixels(ctx
->st
->blit
,
1211 srcX
, do_flip
? srcY
+ height
: srcY
,
1212 srcX
+ width
, do_flip
? srcY
: srcY
+ height
,
1214 destX
, destY
, destX
+ width
, destY
+ height
,
1215 0.0, PIPE_TEX_MIPFILTER_NEAREST
);
1216 use_fallback
= GL_FALSE
;
1219 pipe_surface_reference(&dest_surface
, NULL
);
1224 fallback_copy_texsubimage(ctx
, target
, level
,
1225 strb
, stImage
, baseFormat
,
1226 destX
, destY
, destZ
,
1227 srcX
, srcY
, width
, height
);
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_release(&stImage
->pt
);
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
) {
1461 pipe_texture_release(&stObj
->pt
);
1463 pipe_texture_reference(&stObj
->pt
, firstImage
->pt
);
1466 if (firstImage
->base
.IsCompressed
) {
1467 comp_byte
= compressed_num_bytes(firstImage
->base
.TexFormat
->MesaFormat
);
1471 cpp
= firstImage
->base
.TexFormat
->TexelBytes
;
1474 /* If we already have a gallium texture, check that it matches the texture
1475 * object's format, target, size, num_levels, etc.
1478 (stObj
->pt
->target
!= gl_target_to_pipe(stObj
->base
.Target
) ||
1479 stObj
->pt
->format
!=
1480 st_mesa_format_to_pipe_format(firstImage
->base
.TexFormat
->MesaFormat
) ||
1481 stObj
->pt
->last_level
< stObj
->lastLevel
||
1482 stObj
->pt
->cpp
!= cpp
||
1483 stObj
->pt
->width
[0] != firstImage
->base
.Width2
||
1484 stObj
->pt
->height
[0] != firstImage
->base
.Height2
||
1485 stObj
->pt
->depth
[0] != firstImage
->base
.Depth2
||
1486 stObj
->pt
->compressed
!= firstImage
->base
.IsCompressed
)) {
1487 pipe_texture_release(&stObj
->pt
);
1490 /* May need to create a new gallium texture:
1493 stObj
->pt
= st_texture_create(ctx
->st
,
1494 gl_target_to_pipe(stObj
->base
.Target
),
1495 st_mesa_format_to_pipe_format(firstImage
->base
.TexFormat
->MesaFormat
),
1497 firstImage
->base
.Width2
,
1498 firstImage
->base
.Height2
,
1499 firstImage
->base
.Depth2
,
1502 ( PIPE_TEXTURE_USAGE_RENDER_TARGET
|
1503 PIPE_TEXTURE_USAGE_SAMPLER
));
1506 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage");
1511 /* Pull in any images not in the object's texture:
1513 for (face
= 0; face
< nr_faces
; face
++) {
1515 for (level
= 0; level
<= stObj
->lastLevel
; level
++) {
1516 struct st_texture_image
*stImage
=
1517 st_texture_image(stObj
->base
.Image
[face
][stObj
->base
.BaseLevel
+ level
]);
1519 /* Need to import images in main memory or held in other textures.
1521 if (stImage
&& stObj
->pt
!= stImage
->pt
) {
1522 copy_image_data_to_texture(ctx
->st
, stObj
, level
, stImage
);
1523 *needFlush
= GL_TRUE
;
1535 st_init_texture_functions(struct dd_function_table
*functions
)
1537 functions
->ChooseTextureFormat
= st_ChooseTextureFormat
;
1538 functions
->TexImage1D
= st_TexImage1D
;
1539 functions
->TexImage2D
= st_TexImage2D
;
1540 functions
->TexImage3D
= st_TexImage3D
;
1541 functions
->TexSubImage1D
= st_TexSubImage1D
;
1542 functions
->TexSubImage2D
= st_TexSubImage2D
;
1543 functions
->TexSubImage3D
= st_TexSubImage3D
;
1544 functions
->CopyTexImage1D
= st_CopyTexImage1D
;
1545 functions
->CopyTexImage2D
= st_CopyTexImage2D
;
1546 functions
->CopyTexSubImage1D
= st_CopyTexSubImage1D
;
1547 functions
->CopyTexSubImage2D
= st_CopyTexSubImage2D
;
1548 functions
->CopyTexSubImage3D
= st_CopyTexSubImage3D
;
1549 functions
->GenerateMipmap
= st_generate_mipmap
;
1551 functions
->GetTexImage
= st_GetTexImage
;
1553 /* compressed texture functions */
1554 functions
->CompressedTexImage2D
= st_CompressedTexImage2D
;
1555 functions
->GetCompressedTexImage
= st_GetCompressedTexImage
;
1556 functions
->CompressedTextureSize
= _mesa_compressed_texture_size
;
1558 functions
->NewTextureObject
= st_NewTextureObject
;
1559 functions
->NewTextureImage
= st_NewTextureImage
;
1560 functions
->DeleteTexture
= st_DeleteTextureObject
;
1561 functions
->FreeTexImageData
= st_FreeTextureImageData
;
1562 functions
->UpdateTexturePalette
= 0;
1563 functions
->IsTextureResident
= st_IsTextureResident
;
1565 functions
->TextureMemCpy
= do_memcpy
;
1567 /* XXX Temporary until we can query pipe's texture sizes */
1568 functions
->TestProxyTexImage
= _mesa_test_proxy_teximage
;