1 files changed, 93 insertions, 0 deletions
diff --git a/glx/renderpixswap.c b/glx/renderpixswap.c
new file mode 100644
index 000000000..8455807e6
--- /dev/null
+++ b/glx/renderpixswap.c
@@ -0,0 +1,93 @@
+/*
+** 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)) );
+}