2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
31 #ifdef HAVE_DIX_CONFIG_H
32 #include <dix-config.h>
35 #include "glxserver.h"
37 #include "indirect_dispatch.h"
40 __glXDispSwap_SeparableFilter2D(GLbyte
* pc
)
42 __GLXdispatchConvolutionFilterHeader
*hdr
=
43 (__GLXdispatchConvolutionFilterHeader
*) pc
;
44 GLint hdrlen
, image1len
;
46 __GLX_DECLARE_SWAP_VARIABLES
;
48 hdrlen
= __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE
);
50 __GLX_SWAP_INT((GLbyte
*) &hdr
->rowLength
);
51 __GLX_SWAP_INT((GLbyte
*) &hdr
->skipRows
);
52 __GLX_SWAP_INT((GLbyte
*) &hdr
->skipPixels
);
53 __GLX_SWAP_INT((GLbyte
*) &hdr
->alignment
);
55 __GLX_SWAP_INT((GLbyte
*) &hdr
->target
);
56 __GLX_SWAP_INT((GLbyte
*) &hdr
->internalformat
);
57 __GLX_SWAP_INT((GLbyte
*) &hdr
->width
);
58 __GLX_SWAP_INT((GLbyte
*) &hdr
->height
);
59 __GLX_SWAP_INT((GLbyte
*) &hdr
->format
);
60 __GLX_SWAP_INT((GLbyte
*) &hdr
->type
);
63 ** Just invert swapBytes flag; the GL will figure out if it needs to swap
66 glPixelStorei(GL_UNPACK_SWAP_BYTES
, !hdr
->swapBytes
);
67 glPixelStorei(GL_UNPACK_LSB_FIRST
, hdr
->lsbFirst
);
68 glPixelStorei(GL_UNPACK_ROW_LENGTH
, hdr
->rowLength
);
69 glPixelStorei(GL_UNPACK_SKIP_ROWS
, hdr
->skipRows
);
70 glPixelStorei(GL_UNPACK_SKIP_PIXELS
, hdr
->skipPixels
);
71 glPixelStorei(GL_UNPACK_ALIGNMENT
, hdr
->alignment
);
73 /* XXX check this usage - internal code called
74 ** a version without the packing parameters
76 image1len
= __glXImageSize(hdr
->format
, hdr
->type
, 0, hdr
->width
, 1, 1,
77 0, hdr
->rowLength
, 0, hdr
->skipRows
,
79 image1len
= __GLX_PAD(image1len
);
81 glSeparableFilter2D(hdr
->target
, hdr
->internalformat
, hdr
->width
,
82 hdr
->height
, hdr
->format
, hdr
->type
,
83 ((GLubyte
*) hdr
+ hdrlen
),
84 ((GLubyte
*) hdr
+ hdrlen
+ image1len
));