source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_readpixels.c@ 64572

/* 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));
}