1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* SPDX-License-Identifier: SGI-B-2.0
*/
/*
* (C) Copyright IBM Corporation 2005
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* IBM,
* AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "packrender.h"
#include "indirect.h"
/**
* Send a large image to the server. If necessary, a buffer is allocated
* to hold the unpacked data that is copied from the clients memory.
*
* \param gc Current GLX context
* \param compsize Size, in bytes, of the image portion
* \param dim Number of dimensions of the image
* \param width Width of the image
* \param height Height of the image, must be 1 for 1D images
* \param depth Depth of the image, must be 1 for 1D or 2D images
* \param format Format of the image
* \param type Data type of the image
* \param src Pointer to the image data
* \param pc Pointer to end of the command header
* \param modes Pointer to the pixel unpack data
*
* \todo
* Modify this function so that \c NULL images are sent using
* \c __glXSendLargeChunk instead of __glXSendLargeCommand. Doing this
* will eliminate the need to allocate a buffer for that case.
*/
void
__glXSendLargeImage(struct glx_context * gc, GLint compsize, GLint dim,
GLint width, GLint height, GLint depth,
GLenum format, GLenum type, const GLvoid * src,
GLubyte * pc, GLubyte * modes)
{
/* Allocate a temporary holding buffer */
GLubyte *buf = malloc(compsize);
if (!buf) {
__glXSetError(gc, GL_OUT_OF_MEMORY);
return;
}
/* Apply pixel store unpack modes to copy data into buf */
if (src != NULL) {
__glFillImage(gc, dim, width, height, depth, format, type,
src, buf, modes);
}
else {
if (dim < 3) {
(void) memcpy(modes, __glXDefaultPixelStore + 4, 20);
}
else {
(void) memcpy(modes, __glXDefaultPixelStore + 0, 36);
}
}
/* Send large command */
__glXSendLargeCommand(gc, gc->pc, pc - gc->pc, buf, compsize);
/* Free buffer */
free((char *) buf);
}
|
