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
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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"
33 #include "glapitable.h"
36 #include <GL/glxproto.h>
39 __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
;
49 __GLX_SINGLE_LOAD_VARIABLES();
50 state
= gc
->client_state_private
;
53 __GLX_SINGLE_BEGIN(X_GLsop_GetSeparableFilter
, __GLX_PAD(13));
54 __GLX_SINGLE_PUT_LONG(0, target
);
55 __GLX_SINGLE_PUT_LONG(4, format
);
56 __GLX_SINGLE_PUT_LONG(8, type
);
57 __GLX_SINGLE_PUT_CHAR(12, state
->storePack
.swapEndian
);
58 __GLX_SINGLE_READ_XREPLY();
59 compsize
= reply
.length
<< 2;
63 GLint widthsize
, heightsize
;
66 height
= reply
.height
;
68 widthsize
= __glImageSize(width
, 1, 1, format
, type
, 0);
69 heightsize
= __glImageSize(height
, 1, 1, format
, type
, 0);
71 /* Allocate a holding buffer to transform the data from */
72 rowBuf
= (GLubyte
*) Xmalloc(widthsize
);
75 _XEatData(dpy
, compsize
);
76 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
82 __GLX_SINGLE_GET_CHAR_ARRAY(((char *) rowBuf
), widthsize
);
83 __glEmptyImage(gc
, 1, width
, 1, 1, format
, type
, rowBuf
, row
);
84 Xfree((char *) rowBuf
);
86 colBuf
= (GLubyte
*) Xmalloc(heightsize
);
89 _XEatData(dpy
, compsize
- __GLX_PAD(widthsize
));
90 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
96 __GLX_SINGLE_GET_CHAR_ARRAY(((char *) colBuf
), heightsize
);
97 __glEmptyImage(gc
, 1, height
, 1, 1, format
, type
, colBuf
, column
);
98 Xfree((char *) colBuf
);
103 ** don't modify user's buffer.
111 /* it is defined to gl_dispatch_stub_NNN in indirect.h */
112 void gl_dispatch_stub_GetSeparableFilterEXT (GLenum target
, GLenum format
,
113 GLenum type
, GLvoid
* row
,
114 GLvoid
* column
, GLvoid
* span
)
116 struct glx_context
*const gc
= __glXGetCurrentContext();
118 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
120 GET_DISPATCH()->GetSeparableFilter(target
, format
, type
,
127 Display
*const dpy
= gc
->currentDpy
;
128 const GLuint cmdlen
= __GLX_PAD(13);
131 const __GLXattribute
*const state
= gc
->client_state_private
;
132 xGLXGetSeparableFilterReply reply
;
134 __glXSetupVendorRequest(gc
, X_GLXVendorPrivateWithReply
,
135 X_GLvop_GetSeparableFilterEXT
, cmdlen
);
139 (void) memcpy((void *) (pc
+ 0), (void *) (&target
), 4);
140 (void) memcpy((void *) (pc
+ 4), (void *) (&format
), 4);
141 (void) memcpy((void *) (pc
+ 8), (void *) (&type
), 4);
142 *(int8_t *) (pc
+ 12) = state
->storePack
.swapEndian
;
144 (void) _XReply(dpy
, (xReply
*) & reply
, 0, False
);
146 compsize
= reply
.length
<< 2;
149 const GLint width
= reply
.width
;
150 const GLint height
= reply
.height
;
151 const GLint widthsize
=
152 __glImageSize(width
, 1, 1, format
, type
, 0);
153 const GLint heightsize
=
154 __glImageSize(height
, 1, 1, format
, type
, 0);
156 (GLubyte
*) Xmalloc((widthsize
> heightsize
) ? widthsize
:
160 /* Throw data away */
161 _XEatData(dpy
, compsize
);
162 __glXSetError(gc
, GL_OUT_OF_MEMORY
);
171 extra
= 4 - (widthsize
& 3);
172 _XRead(dpy
, (char *) buf
, widthsize
);
174 _XEatData(dpy
, extra
);
177 __glEmptyImage(gc
, 1, width
, 1, 1, format
, type
, buf
, row
);
179 extra
= 4 - (heightsize
& 3);
180 _XRead(dpy
, (char *) buf
, heightsize
);
182 _XEatData(dpy
, extra
);
185 __glEmptyImage(gc
, 1, height
, 1, 1, format
, type
, buf
, column
);