| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #include "unpacker.h"
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| 8 | #include "cr_pixeldata.h"
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| 9 | #include "cr_mem.h"
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| 10 |
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| 11 | void crUnpackReadPixels( void )
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| 12 | {
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| 13 | GLint x = READ_DATA( 0, GLint );
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| 14 | GLint y = READ_DATA( 4, GLint );
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| 15 | GLsizei width = READ_DATA( 8, GLsizei );
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| 16 | GLsizei height = READ_DATA( 12, GLsizei );
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| 17 | GLenum format = READ_DATA( 16, GLenum );
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| 18 | GLenum type = READ_DATA( 20, GLenum );
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| 19 | GLint stride = READ_DATA( 24, GLint );
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| 20 | GLint alignment = READ_DATA( 28, GLint );
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| 21 | GLint skipRows = READ_DATA( 32, GLint );
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| 22 | GLint skipPixels = READ_DATA( 36, GLint );
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| 23 | GLint bytes_per_row = READ_DATA( 40, GLint );
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| 24 | GLint rowLength = READ_DATA( 44, GLint );
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| 25 | GLvoid *pixels;
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| 26 |
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| 27 | /* point <pixels> at the 8-byte network pointer */
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| 28 | pixels = DATA_POINTER( 48, GLvoid );
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| 29 |
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| 30 | (void) stride;
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| 31 | (void) bytes_per_row;
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| 32 | (void) alignment;
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| 33 | (void) skipRows;
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| 34 | (void) skipPixels;
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| 35 | (void) rowLength;
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| 36 |
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| 37 | /* we always pack densely on the server side! */
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| 38 | cr_unpackDispatch.PixelStorei( GL_PACK_ROW_LENGTH, 0 );
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| 39 | cr_unpackDispatch.PixelStorei( GL_PACK_SKIP_PIXELS, 0 );
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| 40 | cr_unpackDispatch.PixelStorei( GL_PACK_SKIP_ROWS, 0 );
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| 41 | cr_unpackDispatch.PixelStorei( GL_PACK_ALIGNMENT, 1 );
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| 42 |
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| 43 | cr_unpackDispatch.ReadPixels( x, y, width, height, format, type, pixels);
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| 44 |
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| 45 | INCR_DATA_PTR(48+sizeof(CRNetworkPointer));
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| 46 | }
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