1 /* $XFree86: xc/lib/GL/glx/singlepix.c,v 1.3 2001/03/21 16:04:39 dawes Exp $ */
3 ** License Applicability. Except to the extent portions of this file are
4 ** made subject to an alternative license as permitted in the SGI Free
5 ** Software License B, Version 1.1 (the "License"), the contents of this
6 ** file are subject only to the provisions of the License. You may not use
7 ** this file except in compliance with the License. You may obtain a copy
8 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
9 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
11 ** http://oss.sgi.com/projects/FreeB
13 ** Note that, as provided in the License, the Software is distributed on an
14 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
15 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
16 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
17 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
19 ** Original Code. The Original Code is: OpenGL Sample Implementation,
20 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
21 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
22 ** Copyright in any portions created by third parties is as indicated
23 ** elsewhere herein. All Rights Reserved.
25 ** Additional Notice Provisions: The application programming interfaces
26 ** established by SGI in conjunction with the Original Code are The
27 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
28 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
29 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
30 ** Window System(R) (Version 1.3), released October 19, 1998. This software
31 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
32 ** published by SGI, but has not been independently verified as being
33 ** compliant with the OpenGL(R) version 1.2.1 Specification.
37 #include "packsingle.h"
39 void __indirect_glGetSeparableFilter(GLenum target
, GLenum format
, GLenum type
,
40 GLvoid
*row
, GLvoid
*column
, GLvoid
*span
)
42 __GLX_SINGLE_DECLARE_VARIABLES();
43 const __GLXattribute
* state
;
44 xGLXGetSeparableFilterReply reply
;
45 GLubyte
*rowBuf
, *colBuf
;
48 __GLX_SINGLE_LOAD_VARIABLES();
49 state
= gc
->client_state_private
;
52 __GLX_SINGLE_BEGIN(X_GLsop_GetSeparableFilter
, __GLX_PAD(13));
53 __GLX_SINGLE_PUT_LONG(0,target
);
54 __GLX_SINGLE_PUT_LONG(4,format
);
55 __GLX_SINGLE_PUT_LONG(8,type
);
56 __GLX_SINGLE_PUT_CHAR(12,state
->storePack
.swapEndian
);
57 __GLX_SINGLE_READ_XREPLY();
58 compsize
= reply
.length
<< 2;
62 GLint widthsize
, heightsize
;
65 height
= reply
.height
;
67 widthsize
= __glImageSize(width
,1,1,format
, type
, 0);
68 heightsize
= __glImageSize(height
,1,1,format
, type
, 0);
70 /* Allocate a holding buffer to transform the data from */
71 rowBuf
= (GLubyte
*) Xmalloc(widthsize
);
74 _XEatData(dpy
, compsize
);
75 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
80 __GLX_SINGLE_GET_CHAR_ARRAY(((char*)rowBuf
),widthsize
);
81 __glEmptyImage(gc
, 1, width
, 1, 1, format
, type
, rowBuf
, row
);
82 Xfree((char*) rowBuf
);
84 colBuf
= (GLubyte
*) Xmalloc(heightsize
);
87 _XEatData(dpy
, compsize
- __GLX_PAD(widthsize
));
88 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
93 __GLX_SINGLE_GET_CHAR_ARRAY(((char*)colBuf
),heightsize
);
94 __glEmptyImage(gc
, 1, height
, 1, 1, format
, type
, colBuf
, column
);
95 Xfree((char*) colBuf
);
99 ** don't modify user's buffer.