2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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:
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.
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
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.
31 #include "packsingle.h"
35 #include <GL/glxproto.h>
38 __indirect_glGetSeparableFilter(GLenum target
, GLenum format
, GLenum type
,
39 GLvoid
* row
, GLvoid
* column
, GLvoid
* span
)
41 __GLX_SINGLE_DECLARE_VARIABLES();
42 const __GLXattribute
*state
;
43 xGLXGetSeparableFilterReply reply
;
44 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
);
81 __GLX_SINGLE_GET_CHAR_ARRAY(((char *) rowBuf
), widthsize
);
82 __glEmptyImage(gc
, 1, width
, 1, 1, format
, type
, rowBuf
, row
);
83 Xfree((char *) rowBuf
);
85 colBuf
= (GLubyte
*) Xmalloc(heightsize
);
88 _XEatData(dpy
, compsize
- __GLX_PAD(widthsize
));
89 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
95 __GLX_SINGLE_GET_CHAR_ARRAY(((char *) colBuf
), heightsize
);
96 __glEmptyImage(gc
, 1, height
, 1, 1, format
, type
, colBuf
, column
);
97 Xfree((char *) colBuf
);
102 ** don't modify user's buffer.
110 /* it is defined to gl_dispatch_stub_NNN in indirect.h */
111 void gl_dispatch_stub_GetSeparableFilterEXT (GLenum target
, GLenum format
,
112 GLenum type
, GLvoid
* row
,
113 GLvoid
* column
, GLvoid
* span
)
115 struct glx_context
*const gc
= __glXGetCurrentContext();
117 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
119 const _glapi_proc
*const table
= (_glapi_proc
*) GET_DISPATCH();
120 PFNGLGETSEPARABLEFILTEREXTPROC p
=
121 (PFNGLGETSEPARABLEFILTEREXTPROC
) table
[359];
123 p(target
, format
, type
, row
, column
, span
);
129 Display
*const dpy
= gc
->currentDpy
;
130 const GLuint cmdlen
= __GLX_PAD(13);
133 const __GLXattribute
*const state
= gc
->client_state_private
;
134 xGLXGetSeparableFilterReply reply
;
136 __glXSetupVendorRequest(gc
, X_GLXVendorPrivateWithReply
,
137 X_GLvop_GetSeparableFilterEXT
, cmdlen
);
141 (void) memcpy((void *) (pc
+ 0), (void *) (&target
), 4);
142 (void) memcpy((void *) (pc
+ 4), (void *) (&format
), 4);
143 (void) memcpy((void *) (pc
+ 8), (void *) (&type
), 4);
144 *(int8_t *) (pc
+ 12) = state
->storePack
.swapEndian
;
146 (void) _XReply(dpy
, (xReply
*) & reply
, 0, False
);
148 compsize
= reply
.length
<< 2;
151 const GLint width
= reply
.width
;
152 const GLint height
= reply
.height
;
153 const GLint widthsize
=
154 __glImageSize(width
, 1, 1, format
, type
, 0);
155 const GLint heightsize
=
156 __glImageSize(height
, 1, 1, format
, type
, 0);
158 (GLubyte
*) Xmalloc((widthsize
> heightsize
) ? widthsize
:
162 /* Throw data away */
163 _XEatData(dpy
, compsize
);
164 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
173 extra
= 4 - (widthsize
& 3);
174 _XRead(dpy
, (char *) buf
, widthsize
);
176 _XEatData(dpy
, extra
);
179 __glEmptyImage(gc
, 1, width
, 1, 1, format
, type
, buf
, row
);
181 extra
= 4 - (heightsize
& 3);
182 _XRead(dpy
, (char *) buf
, heightsize
);
184 _XEatData(dpy
, extra
);
187 __glEmptyImage(gc
, 1, height
, 1, 1, format
, type
, buf
, column
);