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
|
/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "unpacker.h"
#include "cr_pixeldata.h"
#include "cr_mem.h"
void crUnpackReadPixels( void )
{
GLint x = READ_DATA( 0, GLint );
GLint y = READ_DATA( 4, GLint );
GLsizei width = READ_DATA( 8, GLsizei );
GLsizei height = READ_DATA( 12, GLsizei );
GLenum format = READ_DATA( 16, GLenum );
GLenum type = READ_DATA( 20, GLenum );
GLint stride = READ_DATA( 24, GLint );
GLint alignment = READ_DATA( 28, GLint );
GLint skipRows = READ_DATA( 32, GLint );
GLint skipPixels = READ_DATA( 36, GLint );
GLint bytes_per_row = READ_DATA( 40, GLint );
GLint rowLength = READ_DATA( 44, GLint );
GLvoid *pixels;
/* point <pixels> at the 8-byte network pointer */
pixels = DATA_POINTER( 48, GLvoid );
(void) stride;
(void) bytes_per_row;
(void) alignment;
(void) skipRows;
(void) skipPixels;
(void) rowLength;
/* we always pack densely on the server side! */
cr_unpackDispatch.PixelStorei( GL_PACK_ROW_LENGTH, 0 );
cr_unpackDispatch.PixelStorei( GL_PACK_SKIP_PIXELS, 0 );
cr_unpackDispatch.PixelStorei( GL_PACK_SKIP_ROWS, 0 );
cr_unpackDispatch.PixelStorei( GL_PACK_ALIGNMENT, 1 );
cr_unpackDispatch.ReadPixels( x, y, width, height, format, type, pixels);
INCR_DATA_PTR(48+sizeof(CRNetworkPointer));
}
|
