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