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