| 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 "packer.h"
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| 8 | #include "cr_opcodes.h"
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| 9 | #include "cr_mem.h"
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| 10 | #include "cr_glstate.h"
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| 11 |
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| 12 | void PACK_APIENTRY crPackPolygonStipple( const GLubyte *mask )
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| 13 | {
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| 14 | GET_PACKER_CONTEXT(pc);
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| 15 | unsigned char *data_ptr;
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| 16 | int nodata = crStateIsBufferBound(GL_PIXEL_UNPACK_BUFFER_ARB);
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| 17 | int packet_length = sizeof(int);
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| 18 |
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| 19 | if (nodata)
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| 20 | packet_length += sizeof(uintptr_t);
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| 21 | else
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| 22 | packet_length += 32*32/8;
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| 23 |
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| 24 | GET_BUFFERED_POINTER(pc, packet_length );
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| 25 | WRITE_DATA_AI(int, nodata);
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| 26 | if (nodata)
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| 27 | {
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| 28 | WRITE_DATA_AI(uintptr_t, (uintptr_t)mask);
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| 29 | }
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| 30 | else
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| 31 | {
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| 32 | crMemcpy( data_ptr, mask, 32*32/8 );
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| 33 | }
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| 34 | WRITE_OPCODE( pc, CR_POLYGONSTIPPLE_OPCODE );
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| 35 | }
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