1 /*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
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:
11 *
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.
16 *
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
23 * SOFTWARE.
24 *
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.
29 */
30
31 #ifdef HAVE_DIX_CONFIG_H
32 #include <dix-config.h>
33 #endif
34
35 #include "glxserver.h"
36 #include "unpack.h"
37 #include "indirect_dispatch.h"
38
39 void
__glXDisp_SeparableFilter2D(GLbyte * pc)40 __glXDisp_SeparableFilter2D(GLbyte * pc)
41 {
42 __GLXdispatchConvolutionFilterHeader *hdr =
43 (__GLXdispatchConvolutionFilterHeader *) pc;
44 GLint hdrlen, image1len;
45
46 hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_DISPATCH_HDR_SIZE);
47
48 glPixelStorei(GL_UNPACK_SWAP_BYTES, hdr->swapBytes);
49 glPixelStorei(GL_UNPACK_LSB_FIRST, hdr->lsbFirst);
50 glPixelStorei(GL_UNPACK_ROW_LENGTH, hdr->rowLength);
51 glPixelStorei(GL_UNPACK_SKIP_ROWS, hdr->skipRows);
52 glPixelStorei(GL_UNPACK_SKIP_PIXELS, hdr->skipPixels);
53 glPixelStorei(GL_UNPACK_ALIGNMENT, hdr->alignment);
54
55 /* XXX check this usage - internal code called
56 ** a version without the packing parameters
57 */
58 image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1,
59 0, hdr->rowLength, 0, hdr->skipRows,
60 hdr->alignment);
61 image1len = __GLX_PAD(image1len);
62
63 glSeparableFilter2D(hdr->target, hdr->internalformat, hdr->width,
64 hdr->height, hdr->format, hdr->type,
65 ((GLubyte *) hdr + hdrlen),
66 ((GLubyte *) hdr + hdrlen + image1len));
67 }
68