Home | History | Annotate | Download | only in opengl
      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 src_util import *
     24 
     25 def getExtensionCommands (registry, iface, api, extension):
     26 	commands = []
     27 
     28 	# Build interface with just the single extension and no core APIs.
     29 	# Aliases will not be set in this iface so we will use it only for
     30 	# slicing the complete (hybrid) iface.
     31 	extIface = getInterface(registry, api, version=False, profile='core', extensionNames=[extension])
     32 	if not extIface.commands:
     33 		return commands
     34 
     35 	cmdMap = {}
     36 	for command in iface.commands:
     37 		cmdMap[command.name] = command
     38 
     39 	for extCommand in extIface.commands:
     40 		assert extCommand.name in cmdMap
     41 		commands.append(cmdMap[extCommand.name])
     42 
     43 	return commands
     44 
     45 def genExtensions (registry, iface, api):
     46 	for extName in EXTENSIONS:
     47 		extCommands = getExtensionCommands(registry, iface, api, extName)
     48 		if len(extCommands) == 0:
     49 			continue # Not applicable for this api
     50 
     51 		yield ""
     52 		yield "if (de::contains(extSet, \"%s\"))" % extName
     53 		yield "{"
     54 
     55 		def genInit (command):
     56 			ifaceName = command.alias.name if command.alias else command.name
     57 			return "gl->%s\t= (%s)\tloader->get(\"%s\");" % (
     58 				getFunctionMemberName(ifaceName),
     59 				getFunctionTypeName(ifaceName),
     60 				command.name)
     61 
     62 		for line in indentLines(genInit(command) for command in extCommands):
     63 			yield "\t" + line
     64 
     65 		yield "}"
     66 
     67 def genExtInit (registry, iface):
     68 	nonStrippedIface = getHybridInterface(stripAliasedExtCommands = False)
     69 
     70 	writeInlFile(os.path.join(OPENGL_INC_DIR, "glwInitExtES.inl"), genExtensions(registry, nonStrippedIface, 'gles2'))
     71 	writeInlFile(os.path.join(OPENGL_INC_DIR, "glwInitExtGL.inl"), genExtensions(registry, nonStrippedIface, 'gl'))
     72 
     73 if __name__ == '__main__':
     74 	genExtInit(getGLRegistry(), getHybridInterface())
     75