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#!/usr/bin/python3 -i
#
# Copyright 2020-2023 The Khronos Group Inc.
#
# SPDX-License-Identifier: Apache-2.0
# Description:
# -----------
# This script generates a .hpp file that can be included in an application
# to generate json data that can then be used to generate the pipeline cache.
import os
import re
import xml.dom.minidom
from generator import (GeneratorOptions, OutputGenerator, noneStr,
regSortFeatures, write)
copyright = """
/*
** Copyright (c) 2020 The Khronos Group Inc.
**
** SPDX-License-Identifier: Apache-2.0
*/
"""
predefinedCode = """
/********************************************************************************************/
/** This code is generated. To make changes, please modify the scripts or the relevant xml **/
/********************************************************************************************/
#pragma once
#include <stdio.h>
#include <vulkan/vulkan.h>
const char* getJSONOutput(void);
void resetJSONOutput(void);
"""
class JSONHeaderGeneratorOptions(GeneratorOptions):
"""JSONHeaderGeneratorOptions - subclass of GeneratorOptions.
Adds options used by JSONHeaderOutputGenerator objects during C language header
generation."""
def __init__(self,
prefixText="",
genFuncPointers=True,
protectFile=True,
protectFeature=True,
protectProto=None,
protectProtoStr=None,
apicall='',
apientry='',
apientryp='',
indentFuncProto=True,
indentFuncPointer=False,
alignFuncParam=0,
genEnumBeginEndRange=False,
genAliasMacro=False,
aliasMacro='',
**kwargs
):
GeneratorOptions.__init__(self, **kwargs)
class JSONHeaderOutputGenerator(OutputGenerator):
# This is an ordered list of sections in the header file.
TYPE_SECTIONS = ['basetype', 'handle', 'enum',
'group', 'bitmask', 'struct']
ALL_SECTIONS = TYPE_SECTIONS
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Internal state - accumulators for different inner block text
self.sections = {section: [] for section in self.ALL_SECTIONS}
self.feature_not_empty = False
self.may_alias = None
self.featureDict = {}
self.vkscFeatureList = []
self.baseTypeList = ["int32_t",
"uint32_t",
"uint8_t",
"uint64_t",
"float",
"int",
"double",
"int64_t",
"uint16_t",
"char"]
def createvkscFeatureList(self):
for feature in self.registry.reg.findall('feature'):
if feature.get('api').find('vulkansc') != -1:
# Remove entries that are removed in features in VKSC profile.
requiredList = feature.findall("require")
for requiredItem in requiredList:
typeList = requiredItem.findall("type")
for typeName in typeList:
if typeName.get("name") != "":
self.featureDict[typeName.get("name")] = feature.get("name")
self.vkscFeatureList.append(typeName.get("name"))
removeItemList = feature.findall("remove")
for removeItem in removeItemList:
removeTypes = removeItem.findall("type")
for item in removeTypes:
if self.vkscFeatureList.count(item.get("name")) > 0:
self.vkscFeatureList.remove(item.get("name"))
allExtensions = self.registry.reg.findall('extensions')
for extensions in allExtensions:
extensionList = extensions.findall("extension")
for extension in extensionList:
if extension.get("supported").find("vulkansc") != -1:
requiredList = extension.findall("require")
for requiredItem in requiredList:
typeList = requiredItem.findall("type")
for typeName in typeList:
self.featureDict[typeName.get("name")] = extension.get("name")
self.vkscFeatureList.append(typeName.get("name"))
def printPrototypes(self):
code = ""
code += "/*************************************** Begin prototypes ***********************************/\n"
typesList = self.registry.reg.findall('types')
currentExtension = "VK_VERSION_1_0"
for types in typesList:
typeList = types.findall("type")
for type in typeList:
if type.get("name") != "":
cat = type.get("category")
name = type.get("name")
if cat in {"handle", "bitmask", "basetype", "enum", "struct"} and name in self.vkscFeatureList:
if name in self.featureDict and currentExtension != self.featureDict[name]:
if currentExtension != "VK_VERSION_1_0":
code += "#endif\n"
currentExtension = self.featureDict[name]
if self.featureDict[name] != "VK_VERSION_1_0":
code += "#ifdef %s\n" %(currentExtension)
code += "void print_%s(const %s* obj, const char* str, int commaNeeded);\n" %(name, name)
if currentExtension != "VK_VERSION_1_0":
code += "#endif\n"
code += "/*************************************** End prototypes ***********************************/\n\n"
return code
def beginFile(self, genOpts):
OutputGenerator.beginFile(self, genOpts)
self.createvkscFeatureList()
write(copyright, file=self.outFile)
write(predefinedCode, file=self.outFile)
write(self.printPrototypes(), file=self.outFile)
write("void dumpPNextChain(const void* pNext);\n", file=self.outFile)
def endFile(self):
OutputGenerator.endFile(self)
def beginFeature(self, interface, emit):
OutputGenerator.beginFeature(self, interface, emit)
self.sections = {section: [] for section in self.ALL_SECTIONS}
self.feature_not_empty = False
def endFeature(self):
if self.emit:
if self.feature_not_empty:
if self.genOpts.conventions.writeFeature(self.featureExtraProtect, self.genOpts.filename):
for section in self.TYPE_SECTIONS:
contents = self.sections[section]
if contents:
write('\n'.join(contents), file=self.outFile)
# Finish processing in superclass
OutputGenerator.endFeature(self)
def genType(self, typeinfo, name, alias):
OutputGenerator.genType(self, typeinfo, name, alias)
def genStruct(self, typeinfo, typeName, alias):
OutputGenerator.genStruct(self, typeinfo, typeName, alias)
def genGroup(self, groupinfo, groupName, alias=None):
OutputGenerator.genGroup(self, groupinfo, groupName, alias)
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