renderpix.c (2872B)
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 }