94 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
| ** License Applicability. Except to the extent portions of this file are
 | |
| ** made subject to an alternative license as permitted in the SGI Free
 | |
| ** Software License B, Version 1.1 (the "License"), the contents of this
 | |
| ** file are subject only to the provisions of the License. You may not use
 | |
| ** this file except in compliance with the License. You may obtain a copy
 | |
| ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
 | |
| ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
 | |
| ** 
 | |
| ** http://oss.sgi.com/projects/FreeB
 | |
| ** 
 | |
| ** Note that, as provided in the License, the Software is distributed on an
 | |
| ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
 | |
| ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
 | |
| ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
 | |
| ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
 | |
| ** 
 | |
| ** Original Code. The Original Code is: OpenGL Sample Implementation,
 | |
| ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
 | |
| ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
 | |
| ** Copyright in any portions created by third parties is as indicated
 | |
| ** elsewhere herein. All Rights Reserved.
 | |
| ** 
 | |
| ** Additional Notice Provisions: The application programming interfaces
 | |
| ** established by SGI in conjunction with the Original Code are The
 | |
| ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
 | |
| ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
 | |
| ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
 | |
| ** Window System(R) (Version 1.3), released October 19, 1998. This software
 | |
| ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
 | |
| ** published by SGI, but has not been independently verified as being
 | |
| ** compliant with the OpenGL(R) version 1.2.1 Specification.
 | |
| **
 | |
| */
 | |
| 
 | |
| #define NEED_REPLIES
 | |
| #ifdef HAVE_DIX_CONFIG_H
 | |
| #include <dix-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "glxserver.h"
 | |
| #include "unpack.h"
 | |
| #include "indirect_dispatch.h"
 | |
| #include "glapitable.h"
 | |
| #include "glapi.h"
 | |
| #include "glthread.h"
 | |
| #include "dispatch.h"
 | |
| 
 | |
| void __glXDispSwap_SeparableFilter2D(GLbyte *pc)
 | |
| {
 | |
|     __GLXdispatchConvolutionFilterHeader *hdr =
 | |
| 				(__GLXdispatchConvolutionFilterHeader *) pc;
 | |
|     GLint hdrlen, image1len;
 | |
|     __GLX_DECLARE_SWAP_VARIABLES;
 | |
| 
 | |
|     hdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE);
 | |
| 
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->rowLength);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->skipRows);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->skipPixels);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->alignment);
 | |
| 
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->target);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->internalformat);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->width);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->height);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->format);
 | |
|     __GLX_SWAP_INT((GLbyte *)&hdr->type);
 | |
| 
 | |
|     /*
 | |
|     ** Just invert swapBytes flag; the GL will figure out if it needs to swap
 | |
|     ** the pixel data.
 | |
|     */
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, !hdr->swapBytes) );
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, hdr->lsbFirst) );
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, hdr->rowLength) );
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, hdr->skipRows) );
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, hdr->skipPixels) );
 | |
|     CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, hdr->alignment) );
 | |
| 
 | |
|     /* XXX check this usage - internal code called
 | |
|     ** a version without the packing parameters
 | |
|     */
 | |
|     image1len = __glXImageSize(hdr->format, hdr->type, 0, hdr->width, 1, 1,
 | |
| 			       0, hdr->rowLength, 0, hdr->skipRows,
 | |
| 			       hdr->alignment);
 | |
|     image1len = __GLX_PAD(image1len);
 | |
| 
 | |
| 
 | |
|     CALL_SeparableFilter2D( GET_DISPATCH(), (hdr->target, hdr->internalformat,
 | |
| 		 hdr->width, hdr->height, hdr->format, hdr->type,
 | |
| 		 ((GLubyte *)hdr+hdrlen), ((GLubyte *)hdr+hdrlen+image1len)) );
 | |
| }
 |