source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/expando/expando.py@ 62258

# $Id: expando.py 54905 2015-03-23 11:20:58Z vboxsync $
# This script generates calls for display list compilation
# and state management.
import sys

sys.path.append( "../../glapi_parser" )
import apiutil

apiutil.CopyrightC()

print """
/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED BY expando.py SCRIPT */
#include <stdio.h>
#include "cr_error.h"
#include "cr_spu.h"
#include "cr_dlm.h"
#include "expandospu.h"
"""

allFunctions = []
generatedFunctions = []

for func_name in apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt"):
        if apiutil.FindSpecial("expando", func_name):
                allFunctions.append(func_name)
        elif apiutil.CanCompile(func_name) or apiutil.SetsClientState(func_name):
                generatedFunctions.append(func_name)
                allFunctions.append(func_name)

for func_name in generatedFunctions:
        params = apiutil.Parameters(func_name)
        return_type = apiutil.ReturnType(func_name)
        basicCallString = apiutil.MakeCallString(params)
        declarationString = apiutil.MakeDeclarationString(params)
        dlmCallString = basicCallString
        chromiumProps = apiutil.ChromiumProps(func_name)

        needClientState = 0
        if apiutil.UsesClientState(func_name):
                dlmCallString = basicCallString + ", clientState"
                needClientState = 1

        needDL = 0
        if apiutil.CanCompile(func_name):
                needDL = 1

        print 'static %s EXPANDOSPU_APIENTRY expando%s( %s )' % ( return_type, func_name, declarationString)
        print '{'
        if needDL:
                print '\tGLenum dlMode = crDLMGetCurrentMode();'
        if needClientState:
                print '\tCRContext *stateContext = crStateGetCurrent();'
                print '\tCRClientState *clientState = NULL;'
                print '\tif (stateContext != NULL) {'
                print '\t\tclientState = &(stateContext->client);'
                print '\t}'

        if needDL:
                if "checklist" in chromiumProps:
                        print '\tif (dlMode != GL_FALSE && crDLMCheckList%s(%s)) {' % (func_name, basicCallString)
                else:
                        print '\tif (dlMode != GL_FALSE) {'
                print '\t\tcrDLMCompile%s(%s);' % (func_name, dlmCallString)
                # If we're only compiling, return now.
                print '\t\tif (dlMode == GL_COMPILE) return %s;' % '0' if return_type != "void" else ""
                print '\t}'

        # If it gets this far, we're either just executing, or executing
        # and compiling.  Either way, pass the call to the super SPU,
        # and to the state tracker (if appropriate; note that we only
        # track client-side state, not all state).
        if return_type != "void":
            print '\t%s rc = expando_spu.super.%s(%s);' % (return_type, func_name, basicCallString)
        else:
            print '\texpando_spu.super.%s(%s);' % (func_name, basicCallString)
        if apiutil.SetsClientState(func_name):
                print '\tcrState%s( %s );' % (func_name, basicCallString)       
        
        if return_type != "void":
            print "\treturn rc;"

        print '}'
        print ''

# Generate the table of named functions. including all the static generated
# functions as well as the special functions.
print 'SPUNamedFunctionTable _cr_expando_table[] = {'
for func_name in allFunctions:
        print '\t{ "%s", (SPUGenericFunction) expando%s },' % (func_name, func_name )
print '\t{ NULL, NULL }'
print '};'