# -*- coding: utf-8 -*-
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#-------------------------------------------------------------------------
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# drawElements Quality Program utilities
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# --------------------------------------
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#
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# Copyright 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#-------------------------------------------------------------------------
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import os
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from src_util import *
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from itertools import imap, chain
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def getMangledName (funcName):
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assert funcName[:2] == "gl"
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return "glw" + funcName[2:]
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def commandAliasDefinition (command):
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return "#define\t%s\t%s" % (command.name, getMangledName(command.name))
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def commandWrapperDeclaration (command):
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return "%s\t%s\t(%s);" % (
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command.type,
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getMangledName(command.name),
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", ".join([param.declaration for param in command.params]))
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def genWrapperHeader (iface):
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defines = imap(commandAliasDefinition, iface.commands)
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prototypes = imap(commandWrapperDeclaration, iface.commands)
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src = indentLines(chain(defines, prototypes))
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writeInlFile(os.path.join(OPENGL_INC_DIR, "glwApi.inl"), src)
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def getDefaultReturn (command):
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if command.name == "glGetError":
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return "GL_INVALID_OPERATION"
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else:
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assert command.type != 'void'
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return "(%s)0" % command.type
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def commandWrapperDefinition (command):
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template = """
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{returnType} {mangledName} ({paramDecls})
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{{
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const glw::Functions* gl = glw::getCurrentThreadFunctions();
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if (!gl)
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return{defaultReturn};
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{maybeReturn}gl->{memberName}({arguments});
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}}"""
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return template.format(
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returnType = command.type,
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mangledName = getMangledName(command.name),
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paramDecls = commandParams(command),
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defaultReturn = " " + getDefaultReturn(command) if command.type != 'void' else "",
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maybeReturn = "return " if command.type != 'void' else "",
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memberName = getFunctionMemberName(command.name),
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arguments = commandArgs(command))
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def genWrapperImplementation (iface):
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genCommandList(iface, commandWrapperDefinition, OPENGL_INC_DIR, "glwImpl.inl")
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def genWrapper (iface):
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genWrapperHeader(iface)
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genWrapperImplementation(iface)
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if __name__ == "__main__":
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genWrapper(getHybridInterface())
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