1 # -*- coding: utf-8 -*- 2 3 #------------------------------------------------------------------------- 4 # drawElements Quality Program utilities 5 # -------------------------------------- 6 # 7 # Copyright 2015 The Android Open Source Project 8 # 9 # Licensed under the Apache License, Version 2.0 (the "License"); 10 # you may not use this file except in compliance with the License. 11 # You may obtain a copy of the License at 12 # 13 # http://www.apache.org/licenses/LICENSE-2.0 14 # 15 # Unless required by applicable law or agreed to in writing, software 16 # distributed under the License is distributed on an "AS IS" BASIS, 17 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 # See the License for the specific language governing permissions and 19 # limitations under the License. 20 # 21 #------------------------------------------------------------------------- 22 23 import os 24 from src_util import * 25 from itertools import imap, chain 26 27 def getMangledName (funcName): 28 assert funcName[:2] == "gl" 29 return "glw" + funcName[2:] 30 31 def commandAliasDefinition (command): 32 return "#define\t%s\t%s" % (command.name, getMangledName(command.name)) 33 34 def commandWrapperDeclaration (command): 35 return "%s\t%s\t(%s);" % ( 36 command.type, 37 getMangledName(command.name), 38 ", ".join([param.declaration for param in command.params])) 39 40 def genWrapperHeader (iface): 41 defines = imap(commandAliasDefinition, iface.commands) 42 prototypes = imap(commandWrapperDeclaration, iface.commands) 43 src = indentLines(chain(defines, prototypes)) 44 writeInlFile(os.path.join(OPENGL_INC_DIR, "glwApi.inl"), src) 45 46 def getDefaultReturn (command): 47 if command.name == "glGetError": 48 return "GL_INVALID_OPERATION" 49 else: 50 assert command.type != 'void' 51 return "(%s)0" % command.type 52 53 def commandWrapperDefinition (command): 54 template = """ 55 {returnType} {mangledName} ({paramDecls}) 56 {{ 57 const glw::Functions* gl = glw::getCurrentThreadFunctions(); 58 if (!gl) 59 return{defaultReturn}; 60 {maybeReturn}gl->{memberName}({arguments}); 61 }}""" 62 return template.format( 63 returnType = command.type, 64 mangledName = getMangledName(command.name), 65 paramDecls = commandParams(command), 66 defaultReturn = " " + getDefaultReturn(command) if command.type != 'void' else "", 67 maybeReturn = "return " if command.type != 'void' else "", 68 memberName = getFunctionMemberName(command.name), 69 arguments = commandArgs(command)) 70 71 def genWrapperImplementation (iface): 72 genCommandList(iface, commandWrapperDefinition, OPENGL_INC_DIR, "glwImpl.inl") 73 74 def genWrapper (iface): 75 genWrapperHeader(iface) 76 genWrapperImplementation(iface) 77 78 if __name__ == "__main__": 79 genWrapper(getHybridInterface()) 80
