pack_beginend.c revision 2f44080df90cb90c1e524d97c8e327b40298f3c6
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync/* Copyright (c) 2001, Stanford University
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync * All rights reserved
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync *
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync * See the file LICENSE.txt for information on redistributing this software.
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync */
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#include "packer.h"
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#include "cr_protocol.h"
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncvoid PACK_APIENTRY crPackBegin( GLenum mode )
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync{
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync CR_GET_PACKER_CONTEXT(pc);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync unsigned char *data_ptr;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync (void) pc;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (pc->buffer.canBarf)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (!pc->buffer.holds_BeginEnd)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->Flush( pc->flush_arg );
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->buffer.in_BeginEnd = 1;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->buffer.holds_BeginEnd = 1;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync }
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync CR_GET_BUFFERED_POINTER( pc, 4 );
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->current.begin_data = data_ptr;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->current.begin_op = pc->buffer.opcode_current;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->current.attribsUsedMask = 0;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync WRITE_DATA( 0, GLenum, mode );
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync WRITE_OPCODE( pc, CR_BEGIN_OPCODE );
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync CR_UNLOCK_PACKER_CONTEXT(pc);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync}
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncvoid PACK_APIENTRY crPackBeginSWAP( GLenum mode )
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync{
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync CR_GET_PACKER_CONTEXT(pc);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync unsigned char *data_ptr;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync (void) pc;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (pc->buffer.canBarf)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (!pc->buffer.holds_BeginEnd)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pc->Flush( pc->flush_arg );
pc->buffer.in_BeginEnd = 1;
pc->buffer.holds_BeginEnd = 1;
}
CR_GET_BUFFERED_POINTER( pc, 4 );
pc->current.begin_data = data_ptr;
pc->current.begin_op = pc->buffer.opcode_current;
pc->current.attribsUsedMask = 0;
WRITE_DATA( 0, GLenum, SWAP32(mode) );
WRITE_OPCODE( pc, CR_BEGIN_OPCODE );
CR_UNLOCK_PACKER_CONTEXT(pc);
}
void PACK_APIENTRY crPackEnd( void )
{
CR_GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
(void) pc;
CR_GET_BUFFERED_POINTER_NO_ARGS( pc );
WRITE_OPCODE( pc, CR_END_OPCODE );
pc->buffer.in_BeginEnd = 0;
CR_UNLOCK_PACKER_CONTEXT(pc);
}
void PACK_APIENTRY crPackEndSWAP( void )
{
CR_GET_PACKER_CONTEXT(pc);
unsigned char *data_ptr;
(void) pc;
CR_GET_BUFFERED_POINTER_NO_ARGS( pc );
WRITE_OPCODE( pc, CR_END_OPCODE );
pc->buffer.in_BeginEnd = 0;
CR_UNLOCK_PACKER_CONTEXT(pc);
}