Pyry Haulos | 1abab60 | 2014-11-05 17:41:42 -0800 | [diff] [blame] | 1 | # -*- coding: utf-8 -*- |
| 2 | |
Jarkko Pöyry | 3c77ed4 | 2015-01-06 12:54:34 -0800 | [diff] [blame] | 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 | |
Pyry Haulos | 1abab60 | 2014-11-05 17:41:42 -0800 | [diff] [blame] | 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()) |