renderpix.c revision 4642e01f 
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#define NEED_REPLIES
32#ifdef HAVE_DIX_CONFIG_H
33#include <dix-config.h>
34#endif
35
36#include "glxserver.h"
37#include "unpack.h"
38#include "indirect_dispatch.h"
39#include "glapitable.h"
40#include "glapi.h"
41#include "glthread.h"
42#include "dispatch.h"
43
44void __glXDisp_SeparableFilter2D(GLbyte *pc)
45{
46   __GLXdispatchConvolutionFilterHeader *hdr =
47				(__GLXdispatchConvolutionFilterHeader *) pc;
48    GLint hdrlen, image1len;
49
50    hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_DISPATCH_HDR_SIZE);
51
52    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, hdr->swapBytes) );
53    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) );
54    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, hdr->rowLength) );
55    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, hdr->skipRows) );
56    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, hdr->skipPixels) );
57    CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, hdr->alignment) );
58
59    /* XXX check this usage - internal code called
60    ** a version without the packing parameters
61    */
62    image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1,
63			       0, hdr->rowLength, 0, hdr->skipRows,
64			       hdr->alignment);
65    image1len = __GLX_PAD(image1len);
66
67    CALL_SeparableFilter2D( GET_DISPATCH(), (hdr->target, hdr->internalformat,
68		 hdr->width, hdr->height, hdr->format, hdr->type,
69		 ((GLubyte *)hdr+hdrlen), ((GLubyte *)hdr+hdrlen+image1len)) );
70}
71