| 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 | __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 | } |