scripts/egl/library.py

   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 from egl.common import *
  24 from khr_util.format import indentLines, commandParams, commandArgs
  25 import khr_util.registry
  26 from itertools import chain
  27
  28 try:
  29         from itertools import imap
  30 except ImportError:
  31         imap=map
  32
  33 def virtualMemberDecl (command):
  34         return "virtual %s\t%s\t(%s) const\t= 0;" % (
  35                 command.type,
  36                 getFunctionMemberName(command.name),
  37                 commandParams(command))
  38
  39 def concreteMemberDecl (command):
  40         return "%s\t%s\t(%s) const;" % (
  41                 command.type,
  42                 getFunctionMemberName(command.name),
  43                 commandParams(command))
  44
  45 def memberImpl (command):
  46         template = """
  47 {returnType} FuncPtrLibrary::{memberName} ({paramDecls}) const
  48 {{
  49         {maybeReturn}m_egl.{memberName}({arguments});
  50 }}"""
  51         return template.format(
  52                 returnType              = command.type,
  53                 mangledName             = getFunctionMemberName(command.name),
  54                 paramDecls              = commandParams(command),
  55                 maybeReturn             = "return " if command.type != 'void' else "",
  56                 memberName              = getFunctionMemberName(command.name),
  57                 arguments               = commandArgs(command))
  58
  59 def initFunctionEntry (command):
  60         return "dst->%s\t= (%sFunc)\tloader->get(\"%s\");" % (
  61                 getFunctionMemberName(command.name),
  62                 command.name,
  63                 command.name)
  64
  65 def getExtOnlyIface (registry, api, extensions):
  66         spec = khr_util.registry.InterfaceSpec()
  67
  68         for extension in registry.extensions:
  69                 if not khr_util.registry.getExtensionName(extension) in extensions:
  70                         continue
  71
  72                 if not khr_util.registry.extensionSupports(extension, api):
  73                         continue
  74
  75                 spec.addExtension(extension, api)
  76
  77         return khr_util.registry.createInterface(registry, spec, api)
  78
  79 def commandLibraryEntry (command):
  80         return "\t{ \"%s\",\t(deFunctionPtr)%s }," % (command.name, command.name)
  81
  82 def genStaticLibrary (registry):
  83         genCommandLists(registry, commandLibraryEntry,
  84                                         check           = lambda api, version: api == 'egl' and version in set(["1.4", "1.5"]),
  85                                         directory       = EGL_WRAPPER_DIR,
  86                                         filePattern     = "eglwStaticLibrary%s.inl",
  87                                         align           = True)
  88
  89 def gen (registry):
  90         defaultIface    = getDefaultInterface()
  91         noExtIface              = getInterface(registry, 'egl', VERSION)
  92         extOnlyIface    = getExtOnlyIface(registry, 'egl', EXTENSIONS)
  93
  94         genCommandList(defaultIface,    virtualMemberDecl,      EGL_WRAPPER_DIR, "eglwLibrary.inl", True)
  95         genCommandList(defaultIface,    concreteMemberDecl,     EGL_WRAPPER_DIR, "eglwFuncPtrLibraryDecl.inl", True)
  96         genCommandList(defaultIface,    memberImpl,                     EGL_WRAPPER_DIR, "eglwFuncPtrLibraryImpl.inl")
  97
  98         genCommandList(noExtIface,              initFunctionEntry,      EGL_WRAPPER_DIR, "eglwInitCore.inl", True)
  99         genCommandList(extOnlyIface,    initFunctionEntry,      EGL_WRAPPER_DIR, "eglwInitExtensions.inl", True)
 100
 101         genStaticLibrary(registry)