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# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.
from __future__ import print_function
import sys
import apiutil
apiutil.CopyrightC()
print("""/* DO NOT EDIT - AUTOMATICALLY GENERATED BY packspu_beginend.py */
#include "packspu.h"
#include "assert.h"
#include "cr_packfunctions.h"
#include "packspu_proto.h"
void PACKSPU_APIENTRY packspu_Begin( GLenum mode )
{
CRPackBuffer *buf;
#if CR_ARB_vertex_buffer_object
GET_CONTEXT(ctx);
#else
GET_THREAD(thread);
#endif
buf = &thread->BeginEndBuffer;
/* XXX comparing mode >= 0 here is not needed since mode is unsigned */
CRASSERT( /*mode >= GL_POINTS && */mode <= GL_POLYGON );
#if CR_ARB_vertex_buffer_object
{
GLboolean serverArrays = GL_FALSE;
if (ctx->clientState->extensions.ARB_vertex_buffer_object)
serverArrays = crStateUseServerArrays();
if (serverArrays) {
CRClientState *clientState = &(ctx->clientState->client);
if (clientState->array.locked && !clientState->array.synced)
{
crPackLockArraysEXT(clientState->array.lockFirst, clientState->array.lockCount);
clientState->array.synced = GL_TRUE;
}
}
}
#endif
if (pack_spu.swap)
{
crPackBeginSWAP( mode );
}
else
{
crPackBegin( mode );
}
if ( thread->netServer.conn->Barf ) {
thread->BeginEndMode = mode;
thread->BeginEndState = -1;
if ( mode == GL_LINES || mode == GL_TRIANGLES || mode == GL_QUADS || mode == GL_POLYGON )
{
CRASSERT(!buf->pack);
crPackReleaseBuffer( thread->packer );
buf->pack = crNetAlloc( thread->netServer.conn );
crPackInitBuffer( buf, buf->pack, thread->netServer.conn->buffer_size, thread->netServer.conn->mtu );
buf->holds_BeginEnd = 1;
buf->in_BeginEnd = 1;
crPackSetBuffer( thread->packer, buf );
thread->BeginEndState = 0;
}
}
}
void PACKSPU_APIENTRY packspu_End( void )
{
GET_THREAD(thread);
CRPackBuffer *buf = &thread->BeginEndBuffer;
if ( thread->netServer.conn->Barf &&
(thread->BeginEndMode == GL_LINES
|| thread->BeginEndMode == GL_TRIANGLES
|| thread->BeginEndMode == GL_QUADS
|| thread->BeginEndMode == GL_POLYGON ) )
{
CRASSERT(buf->pack);
crPackReleaseBuffer( thread->packer );
crPackSetBuffer( thread->packer, &thread->normBuffer );
if ( !crPackCanHoldBuffer( buf ) )
packspuFlush( (void *) thread );
crPackAppendBuffer( buf );
crNetFree( thread->netServer.conn, buf->pack );
buf->pack = NULL;
}
if (pack_spu.swap)
{
crPackEndSWAP();
}
else
{
crPackEnd();
}
}
static void DoVertex( void )
{
GET_THREAD(thread);
CRPackBuffer *buf = &thread->BeginEndBuffer;
CRPackBuffer *gbuf = &thread->normBuffer;
int num_data;
int num_opcode;
/*crDebug( "really doing Vertex" );*/
crPackReleaseBuffer( thread->packer );
num_data = buf->data_current - buf->data_start;
num_opcode = buf->opcode_start - buf->opcode_current;
crPackSetBuffer( thread->packer, gbuf );
if ( !crPackCanHoldBuffer( buf ) )
/* doesn't hold, first flush gbuf*/
packspuFlush( (void *) thread );
crPackAppendBuffer( buf );
crPackReleaseBuffer( thread->packer );
crPackSetBuffer( thread->packer, buf );
crPackResetPointers(thread->packer);
}
static void RunState( void )
{
GET_THREAD(thread);
if (! thread->netServer.conn->Barf ) return;
if (thread->BeginEndState == -1) return;
switch(thread->BeginEndMode) {
case GL_POLYGON:
return;
case GL_LINES:
thread->BeginEndState = (thread->BeginEndState + 1) % 2;
if (thread->BeginEndState)
return;
break;
case GL_TRIANGLES:
thread->BeginEndState = (thread->BeginEndState + 1) % 3;
if (thread->BeginEndState)
return;
break;
case GL_QUADS:
thread->BeginEndState = (thread->BeginEndState + 1) % 4;
if (thread->BeginEndState)
return;
break;
}
DoVertex();
}
""")
keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
for func_name in apiutil.AllSpecials( "packspu_vertex" ):
params = apiutil.Parameters(func_name)
print('void PACKSPU_APIENTRY packspu_%s(%s)' % ( func_name, apiutil.MakeDeclarationString(params) ))
print('{')
print('\tif (pack_spu.swap)')
print('\t{')
print('\t\tcrPack%sSWAP(%s);' % ( func_name, apiutil.MakeCallString( params ) ))
print('\t}')
print('\telse')
print('\t{')
print('\t\tcrPack%s(%s);' % ( func_name, apiutil.MakeCallString( params ) ))
print('\t}')
print('\tRunState();')
print('}')
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