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a09e091a JB |
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 | |
40 | __glXDispSwap_SeparableFilter2D(GLbyte * pc) | |
41 | { | |
42 | __GLXdispatchConvolutionFilterHeader *hdr = | |
43 | (__GLXdispatchConvolutionFilterHeader *) pc; | |
44 | GLint hdrlen, image1len; | |
45 | ||
46 | __GLX_DECLARE_SWAP_VARIABLES; | |
47 | ||
48 | hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE); | |
49 | ||
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); | |
54 | ||
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); | |
61 | ||
62 | /* | |
63 | ** Just invert swapBytes flag; the GL will figure out if it needs to swap | |
64 | ** the pixel data. | |
65 | */ | |
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); | |
72 | ||
73 | /* XXX check this usage - internal code called | |
74 | ** a version without the packing parameters | |
75 | */ | |
76 | image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1, | |
77 | 0, hdr->rowLength, 0, hdr->skipRows, | |
78 | hdr->alignment); | |
79 | image1len = __GLX_PAD(image1len); | |
80 | ||
81 | glSeparableFilter2D(hdr->target, hdr->internalformat, hdr->width, | |
82 | hdr->height, hdr->format, hdr->type, | |
83 | ((GLubyte *) hdr + hdrlen), | |
84 | ((GLubyte *) hdr + hdrlen + image1len)); | |
85 | } |