| # Copyright (c) 2018 The Android Open Source Project |
| # Copyright (c) 2018 Google Inc. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from copy import copy |
| |
| from .common.codegen import CodeGen |
| from .common.vulkantypes import \ |
| VulkanAPI, makeVulkanTypeSimple, iterateVulkanType, VulkanTypeIterator, Atom, FuncExpr, FuncExprVal, FuncLambda |
| |
| from .wrapperdefs import VulkanWrapperGenerator |
| from .wrapperdefs import ROOT_TYPE_VAR_NAME, ROOT_TYPE_PARAM |
| from .wrapperdefs import STRUCT_EXTENSION_PARAM, STRUCT_EXTENSION_PARAM_FOR_WRITE, EXTENSION_SIZE_WITH_STREAM_FEATURES_API_NAME |
| |
| class VulkanCountingCodegen(VulkanTypeIterator): |
| def __init__(self, cgen, featureBitsVar, toCountVar, countVar, rootTypeVar, prefix, forApiOutput=False, mapHandles=True, handleMapOverwrites=False, doFiltering=True): |
| self.cgen = cgen |
| self.featureBitsVar = featureBitsVar |
| self.toCountVar = toCountVar |
| self.rootTypeVar = rootTypeVar |
| self.countVar = countVar |
| self.prefix = prefix |
| self.forApiOutput = forApiOutput |
| |
| self.exprAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.toCountVar, asPtr = True) |
| self.exprValueAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.toCountVar, asPtr = False) |
| self.exprPrimitiveValueAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.toCountVar, asPtr = False) |
| |
| self.lenAccessor = lambda t: self.cgen.generalLengthAccess(t, parentVarName = self.toCountVar) |
| self.lenAccessorGuard = lambda t: self.cgen.generalLengthAccessGuard(t, parentVarName = self.toCountVar) |
| self.filterVarAccessor = lambda t: self.cgen.filterVarAccess(t, parentVarName = self.toCountVar) |
| |
| self.checked = False |
| |
| self.mapHandles = mapHandles |
| self.handleMapOverwrites = handleMapOverwrites |
| self.doFiltering = doFiltering |
| |
| def getTypeForStreaming(self, vulkanType): |
| res = copy(vulkanType) |
| |
| if not vulkanType.accessibleAsPointer(): |
| res = res.getForAddressAccess() |
| |
| if vulkanType.staticArrExpr: |
| res = res.getForAddressAccess() |
| |
| return res |
| |
| def makeCastExpr(self, vulkanType): |
| return "(%s)" % ( |
| self.cgen.makeCTypeDecl(vulkanType, useParamName=False)) |
| |
| def genCount(self, sizeExpr): |
| self.cgen.stmt("*%s += %s" % (self.countVar, sizeExpr)) |
| |
| def genPrimitiveStreamCall(self, vulkanType): |
| self.genCount(str(self.cgen.countPrimitive( |
| self.typeInfo, |
| vulkanType))) |
| |
| def genHandleMappingCall(self, vulkanType, access, lenAccess): |
| |
| if lenAccess is None: |
| lenAccess = "1" |
| handle64Bytes = "8" |
| else: |
| handle64Bytes = "%s * 8" % lenAccess |
| |
| handle64Var = self.cgen.var() |
| if lenAccess != "1": |
| self.cgen.beginIf(lenAccess) |
| # self.cgen.stmt("uint64_t* %s" % handle64Var) |
| # self.cgen.stmt( |
| # "%s->alloc((void**)&%s, %s * 8)" % \ |
| # (self.streamVarName, handle64Var, lenAccess)) |
| handle64VarAccess = handle64Var |
| handle64VarType = \ |
| makeVulkanTypeSimple(False, "uint64_t", 1, paramName=handle64Var) |
| else: |
| self.cgen.stmt("uint64_t %s" % handle64Var) |
| handle64VarAccess = "&%s" % handle64Var |
| handle64VarType = \ |
| makeVulkanTypeSimple(False, "uint64_t", 0, paramName=handle64Var) |
| |
| if self.handleMapOverwrites: |
| # self.cgen.stmt( |
| # "static_assert(8 == sizeof(%s), \"handle map overwrite requres %s to be 8 bytes long\")" % \ |
| # (vulkanType.typeName, vulkanType.typeName)) |
| # self.cgen.stmt( |
| # "%s->handleMapping()->mapHandles_%s((%s*)%s, %s)" % |
| # (self.streamVarName, vulkanType.typeName, vulkanType.typeName, |
| # access, lenAccess)) |
| self.genCount("8 * %s" % lenAccess) |
| else: |
| # self.cgen.stmt( |
| # "%s->handleMapping()->mapHandles_%s_u64(%s, %s, %s)" % |
| # (self.streamVarName, vulkanType.typeName, |
| # access, |
| # handle64VarAccess, lenAccess)) |
| self.genCount(handle64Bytes) |
| |
| if lenAccess != "1": |
| self.cgen.endIf() |
| |
| def doAllocSpace(self, vulkanType): |
| pass |
| |
| def getOptionalStringFeatureExpr(self, vulkanType): |
| feature = vulkanType.getProtectStreamFeature() |
| if feature is None: |
| return None |
| return "%s & %s" % (self.featureBitsVar, feature) |
| |
| def onCheck(self, vulkanType): |
| |
| if self.forApiOutput: |
| return |
| |
| featureExpr = self.getOptionalStringFeatureExpr(vulkanType); |
| |
| self.checked = True |
| |
| access = self.exprAccessor(vulkanType) |
| |
| needConsistencyCheck = False |
| |
| self.cgen.line("// WARNING PTR CHECK") |
| checkAccess = self.exprAccessor(vulkanType) |
| addrExpr = "&" + checkAccess |
| sizeExpr = self.cgen.sizeofExpr(vulkanType) |
| |
| if featureExpr is not None: |
| self.cgen.beginIf(featureExpr) |
| |
| self.genPrimitiveStreamCall( |
| vulkanType) |
| |
| if featureExpr is not None: |
| self.cgen.endIf() |
| |
| if featureExpr is not None: |
| self.cgen.beginIf("(!(%s) || %s)" % (featureExpr, access)) |
| else: |
| self.cgen.beginIf(access) |
| |
| if needConsistencyCheck and featureExpr is None: |
| self.cgen.beginIf("!(%s)" % checkName) |
| self.cgen.stmt( |
| "fprintf(stderr, \"fatal: %s inconsistent between guest and host\\n\")" % (access)) |
| self.cgen.endIf() |
| |
| |
| def onCheckWithNullOptionalStringFeature(self, vulkanType): |
| self.cgen.beginIf("%s & VULKAN_STREAM_FEATURE_NULL_OPTIONAL_STRINGS_BIT" % self.featureBitsVar) |
| self.onCheck(vulkanType) |
| |
| def endCheckWithNullOptionalStringFeature(self, vulkanType): |
| self.endCheck(vulkanType) |
| self.cgen.endIf() |
| self.cgen.beginElse() |
| |
| def finalCheckWithNullOptionalStringFeature(self, vulkanType): |
| self.cgen.endElse() |
| |
| def endCheck(self, vulkanType): |
| |
| if self.checked: |
| self.cgen.endIf() |
| self.checked = False |
| |
| def genFilterFunc(self, filterfunc, env): |
| |
| def loop(expr, lambdaEnv={}): |
| def do_func(expr): |
| fnamestr = expr.name.name |
| if "not" == fnamestr: |
| return "!(%s)" % (loop(expr.args[0], lambdaEnv)) |
| if "eq" == fnamestr: |
| return "(%s == %s)" % (loop(expr.args[0], lambdaEnv), loop(expr.args[1], lambdaEnv)) |
| if "and" == fnamestr: |
| return "(%s && %s)" % (loop(expr.args[0], lambdaEnv), loop(expr.args[1], lambdaEnv)) |
| if "or" == fnamestr: |
| return "(%s || %s)" % (loop(expr.args[0], lambdaEnv), loop(expr.args[1], lambdaEnv)) |
| if "bitwise_and" == fnamestr: |
| return "(%s & %s)" % (loop(expr.args[0], lambdaEnv), loop(expr.args[1], lambdaEnv)) |
| if "getfield" == fnamestr: |
| ptrlevels = get_ptrlevels(expr.args[0].val.name) |
| if ptrlevels == 0: |
| return "%s.%s" % (loop(expr.args[0], lambdaEnv), expr.args[1].val) |
| else: |
| return "(%s(%s)).%s" % ("*" * ptrlevels, loop(expr.args[0], lambdaEnv), expr.args[1].val) |
| |
| if "if" == fnamestr: |
| return "((%s) ? (%s) : (%s))" % (loop(expr.args[0], lambdaEnv), loop(expr.args[1], lambdaEnv), loop(expr.args[2], lambdaEnv)) |
| |
| return "%s(%s)" % (fnamestr, ", ".join(map(lambda e: loop(e, lambdaEnv), expr.args))) |
| |
| def do_expratom(atomname, lambdaEnv= {}): |
| if lambdaEnv.get(atomname, None) is not None: |
| return atomname |
| |
| enventry = env.get(atomname, None) |
| if None != enventry: |
| return self.getEnvAccessExpr(atomname) |
| return atomname |
| |
| def get_ptrlevels(atomname, lambdaEnv= {}): |
| if lambdaEnv.get(atomname, None) is not None: |
| return 0 |
| |
| enventry = env.get(atomname, None) |
| if None != enventry: |
| return self.getPointerIndirectionLevels(atomname) |
| |
| return 0 |
| |
| def do_exprval(expr, lambdaEnv= {}): |
| expratom = expr.val |
| |
| if Atom == type(expratom): |
| return do_expratom(expratom.name, lambdaEnv) |
| |
| return "%s" % expratom |
| |
| def do_lambda(expr, lambdaEnv= {}): |
| params = expr.vs |
| body = expr.body |
| newEnv = {} |
| |
| for (k, v) in lambdaEnv.items(): |
| newEnv[k] = v |
| |
| for p in params: |
| newEnv[p.name] = p.typ |
| |
| return "[](%s) { return %s; }" % (", ".join(list(map(lambda p: "%s %s" % (p.typ, p.name), params))), loop(body, lambdaEnv=newEnv)) |
| |
| if FuncExpr == type(expr): |
| return do_func(expr) |
| if FuncLambda == type(expr): |
| return do_lambda(expr) |
| elif FuncExprVal == type(expr): |
| return do_exprval(expr) |
| |
| return loop(filterfunc) |
| |
| def beginFilterGuard(self, vulkanType): |
| if vulkanType.filterVar == None: |
| return |
| |
| if self.doFiltering == False: |
| return |
| |
| filterVarAccess = self.getEnvAccessExpr(vulkanType.filterVar) |
| |
| filterValsExpr = None |
| filterFuncExpr = None |
| filterExpr = None |
| |
| filterFeature = "%s & VULKAN_STREAM_FEATURE_IGNORED_HANDLES_BIT" % self.featureBitsVar |
| |
| if None != vulkanType.filterVals: |
| filterValsExpr = " || ".join(map(lambda filterval: "(%s == %s)" % (filterval, filterVarAccess), vulkanType.filterVals)) |
| |
| if None != vulkanType.filterFunc: |
| filterFuncExpr = self.genFilterFunc(vulkanType.filterFunc, self.currentStructInfo.environment) |
| |
| if None != filterValsExpr and None != filterFuncExpr: |
| filterExpr = "%s || %s" % (filterValsExpr, filterFuncExpr) |
| elif None == filterValsExpr and None == filterFuncExpr: |
| # Assume is bool |
| self.cgen.beginIf(filterVarAccess) |
| elif None != filterValsExpr: |
| self.cgen.beginIf("(!(%s) || (%s))" % (filterFeature, filterValsExpr)) |
| elif None != filterFuncExpr: |
| self.cgen.beginIf("(!(%s) || (%s))" % (filterFeature, filterFuncExpr)) |
| |
| def endFilterGuard(self, vulkanType, cleanupExpr=None): |
| if vulkanType.filterVar == None: |
| return |
| |
| if self.doFiltering == False: |
| return |
| |
| if cleanupExpr == None: |
| self.cgen.endIf() |
| else: |
| self.cgen.endIf() |
| self.cgen.beginElse() |
| self.cgen.stmt(cleanupExpr) |
| self.cgen.endElse() |
| |
| def getEnvAccessExpr(self, varName): |
| parentEnvEntry = self.currentStructInfo.environment.get(varName, None) |
| |
| if parentEnvEntry != None: |
| isParentMember = parentEnvEntry["structmember"] |
| |
| if isParentMember: |
| envAccess = self.exprValueAccessor(list(filter(lambda member: member.paramName == varName, self.currentStructInfo.members))[0]) |
| else: |
| envAccess = varName |
| return envAccess |
| |
| return None |
| |
| def getPointerIndirectionLevels(self, varName): |
| parentEnvEntry = self.currentStructInfo.environment.get(varName, None) |
| |
| if parentEnvEntry != None: |
| isParentMember = parentEnvEntry["structmember"] |
| |
| if isParentMember: |
| return list(filter(lambda member: member.paramName == varName, self.currentStructInfo.members))[0].pointerIndirectionLevels |
| else: |
| return 0 |
| return 0 |
| |
| return 0 |
| |
| |
| def onCompoundType(self, vulkanType): |
| |
| access = self.exprAccessor(vulkanType) |
| lenAccess = self.lenAccessor(vulkanType) |
| lenAccessGuard = self.lenAccessorGuard(vulkanType) |
| |
| self.beginFilterGuard(vulkanType) |
| |
| if vulkanType.pointerIndirectionLevels > 0: |
| self.doAllocSpace(vulkanType) |
| |
| if lenAccess is not None: |
| if lenAccessGuard is not None: |
| self.cgen.beginIf(lenAccessGuard) |
| loopVar = "i" |
| access = "%s + %s" % (access, loopVar) |
| forInit = "uint32_t %s = 0" % loopVar |
| forCond = "%s < (uint32_t)%s" % (loopVar, lenAccess) |
| forIncr = "++%s" % loopVar |
| self.cgen.beginFor(forInit, forCond, forIncr) |
| |
| accessWithCast = "%s(%s)" % (self.makeCastExpr( |
| self.getTypeForStreaming(vulkanType)), access) |
| |
| callParams = [self.featureBitsVar, |
| self.rootTypeVar, accessWithCast, self.countVar] |
| |
| for (bindName, localName) in vulkanType.binds.items(): |
| callParams.append(self.getEnvAccessExpr(localName)) |
| |
| self.cgen.funcCall(None, self.prefix + vulkanType.typeName, |
| callParams) |
| |
| if lenAccess is not None: |
| self.cgen.endFor() |
| if lenAccessGuard is not None: |
| self.cgen.endIf() |
| |
| self.endFilterGuard(vulkanType) |
| |
| def onString(self, vulkanType): |
| access = self.exprAccessor(vulkanType) |
| self.genCount("sizeof(uint32_t) + (%s ? strlen(%s) : 0)" % (access, access)) |
| |
| def onStringArray(self, vulkanType): |
| access = self.exprAccessor(vulkanType) |
| lenAccess = self.lenAccessor(vulkanType) |
| lenAccessGuard = self.lenAccessorGuard(vulkanType) |
| |
| self.genCount("sizeof(uint32_t)") |
| if lenAccessGuard is not None: |
| self.cgen.beginIf(lenAccessGuard) |
| self.cgen.beginFor("uint32_t i = 0", "i < %s" % lenAccess, "++i") |
| self.cgen.stmt("size_t l = %s[i] ? strlen(%s[i]) : 0" % (access, access)) |
| self.genCount("sizeof(uint32_t) + (%s[i] ? strlen(%s[i]) : 0)" % (access, access)) |
| self.cgen.endFor() |
| if lenAccessGuard is not None: |
| self.cgen.endIf() |
| |
| def onStaticArr(self, vulkanType): |
| access = self.exprValueAccessor(vulkanType) |
| lenAccess = self.lenAccessor(vulkanType) |
| lenAccessGuard = self.lenAccessorGuard(vulkanType) |
| |
| if lenAccessGuard is not None: |
| self.cgen.beginIf(lenAccessGuard) |
| finalLenExpr = "%s * %s" % (lenAccess, self.cgen.sizeofExpr(vulkanType)) |
| if lenAccessGuard is not None: |
| self.cgen.endIf() |
| self.genCount(finalLenExpr) |
| |
| def onStructExtension(self, vulkanType): |
| sTypeParam = copy(vulkanType) |
| sTypeParam.paramName = "sType" |
| |
| access = self.exprAccessor(vulkanType) |
| sizeVar = "%s_size" % vulkanType.paramName |
| |
| castedAccessExpr = access |
| |
| sTypeAccess = self.exprAccessor(sTypeParam) |
| self.cgen.beginIf("%s == VK_STRUCTURE_TYPE_MAX_ENUM" % |
| self.rootTypeVar) |
| self.cgen.stmt("%s = %s" % (self.rootTypeVar, sTypeAccess)) |
| self.cgen.endIf() |
| |
| self.cgen.funcCall(None, self.prefix + "extension_struct", |
| [self.featureBitsVar, self.rootTypeVar, castedAccessExpr, self.countVar]) |
| |
| |
| def onPointer(self, vulkanType): |
| access = self.exprAccessor(vulkanType) |
| |
| lenAccess = self.lenAccessor(vulkanType) |
| lenAccessGuard = self.lenAccessorGuard(vulkanType) |
| |
| self.beginFilterGuard(vulkanType) |
| self.doAllocSpace(vulkanType) |
| |
| if vulkanType.filterVar != None: |
| print("onPointer Needs filter: %s filterVar %s" % (access, vulkanType.filterVar)) |
| |
| if vulkanType.isHandleType() and self.mapHandles: |
| self.genHandleMappingCall(vulkanType, access, lenAccess) |
| else: |
| if self.typeInfo.isNonAbiPortableType(vulkanType.typeName): |
| if lenAccess is not None: |
| if lenAccessGuard is not None: |
| self.cgen.beginIf(lenAccessGuard) |
| self.cgen.beginFor("uint32_t i = 0", "i < (uint32_t)%s" % lenAccess, "++i") |
| self.genPrimitiveStreamCall(vulkanType.getForValueAccess()) |
| self.cgen.endFor() |
| if lenAccessGuard is not None: |
| self.cgen.endIf() |
| else: |
| self.genPrimitiveStreamCall(vulkanType.getForValueAccess()) |
| else: |
| if lenAccess is not None: |
| needLenAccessGuard = True |
| finalLenExpr = "%s * %s" % ( |
| lenAccess, self.cgen.sizeofExpr(vulkanType.getForValueAccess())) |
| else: |
| needLenAccessGuard = False |
| finalLenExpr = "%s" % ( |
| self.cgen.sizeofExpr(vulkanType.getForValueAccess())) |
| if needLenAccessGuard and lenAccessGuard is not None: |
| self.cgen.beginIf(lenAccessGuard) |
| self.genCount(finalLenExpr) |
| if needLenAccessGuard and lenAccessGuard is not None: |
| self.cgen.endIf() |
| |
| self.endFilterGuard(vulkanType) |
| |
| def onValue(self, vulkanType): |
| self.beginFilterGuard(vulkanType) |
| |
| if vulkanType.isHandleType() and self.mapHandles: |
| access = self.exprAccessor(vulkanType) |
| if vulkanType.filterVar != None: |
| print("onValue Needs filter: %s filterVar %s" % (access, vulkanType.filterVar)) |
| self.genHandleMappingCall( |
| vulkanType.getForAddressAccess(), access, "1") |
| elif self.typeInfo.isNonAbiPortableType(vulkanType.typeName): |
| access = self.exprPrimitiveValueAccessor(vulkanType) |
| self.genPrimitiveStreamCall(vulkanType) |
| else: |
| access = self.exprAccessor(vulkanType) |
| self.genCount(self.cgen.sizeofExpr(vulkanType)) |
| |
| self.endFilterGuard(vulkanType) |
| |
| def streamLetParameter(self, structInfo, letParamInfo): |
| filterFeature = "%s & VULKAN_STREAM_FEATURE_IGNORED_HANDLES_BIT" % (self.featureBitsVar) |
| self.cgen.stmt("%s %s = 1" % (letParamInfo.typeName, letParamInfo.paramName)) |
| |
| self.cgen.beginIf(filterFeature) |
| |
| bodyExpr = self.currentStructInfo.environment[letParamInfo.paramName]["body"] |
| self.cgen.stmt("%s = %s" % (letParamInfo.paramName, self.genFilterFunc(bodyExpr, self.currentStructInfo.environment))) |
| |
| self.genPrimitiveStreamCall(letParamInfo) |
| |
| self.cgen.endIf() |
| |
| class VulkanCounting(VulkanWrapperGenerator): |
| |
| def __init__(self, module, typeInfo): |
| VulkanWrapperGenerator.__init__(self, module, typeInfo) |
| |
| self.codegen = CodeGen() |
| |
| self.featureBitsVar = "featureBits" |
| self.featureBitsVarType = makeVulkanTypeSimple(False, "uint32_t", 0, self.featureBitsVar) |
| self.countingPrefix = "count_" |
| self.countVars = ["toCount", "count"] |
| self.countVarType = makeVulkanTypeSimple(False, "size_t", 1, self.countVars[1]) |
| self.voidType = makeVulkanTypeSimple(False, "void", 0) |
| self.rootTypeVar = ROOT_TYPE_VAR_NAME |
| |
| self.countingCodegen = \ |
| VulkanCountingCodegen( |
| self.codegen, |
| self.featureBitsVar, |
| self.countVars[0], |
| self.countVars[1], |
| self.rootTypeVar, |
| self.countingPrefix) |
| |
| self.knownDefs = {} |
| |
| self.extensionCountingPrototype = \ |
| VulkanAPI(self.countingPrefix + "extension_struct", |
| self.voidType, |
| [self.featureBitsVarType, |
| ROOT_TYPE_PARAM, |
| STRUCT_EXTENSION_PARAM, |
| self.countVarType]) |
| |
| def onBegin(self,): |
| VulkanWrapperGenerator.onBegin(self) |
| self.module.appendImpl(self.codegen.makeFuncDecl( |
| self.extensionCountingPrototype)) |
| |
| def onGenType(self, typeXml, name, alias): |
| VulkanWrapperGenerator.onGenType(self, typeXml, name, alias) |
| |
| if name in self.knownDefs: |
| return |
| |
| category = self.typeInfo.categoryOf(name) |
| |
| if category in ["struct", "union"] and alias: |
| # TODO(liyl): might not work if freeParams != [] |
| self.module.appendHeader( |
| self.codegen.makeFuncAlias(self.countingPrefix + name, |
| self.countingPrefix + alias)) |
| |
| if category in ["struct", "union"] and not alias: |
| |
| structInfo = self.typeInfo.structs[name] |
| |
| freeParams = [] |
| letParams = [] |
| |
| for (envname, bindingInfo) in list(sorted(structInfo.environment.items(), key = lambda kv: kv[0])): |
| if None == bindingInfo["binding"]: |
| freeParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname)) |
| else: |
| if not bindingInfo["structmember"]: |
| letParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname)) |
| |
| typeFromName = \ |
| lambda varname: \ |
| makeVulkanTypeSimple(True, name, 1, varname) |
| |
| countingParams = \ |
| [makeVulkanTypeSimple(False, "uint32_t", 0, self.featureBitsVar), |
| ROOT_TYPE_PARAM, |
| typeFromName(self.countVars[0]), |
| makeVulkanTypeSimple(False, "size_t", 1, self.countVars[1])] |
| |
| countingPrototype = \ |
| VulkanAPI(self.countingPrefix + name, |
| self.voidType, |
| countingParams + freeParams) |
| |
| countingPrototypeNoFilter = \ |
| VulkanAPI(self.countingPrefix + name, |
| self.voidType, |
| countingParams) |
| |
| def structCountingDef(cgen): |
| self.countingCodegen.cgen = cgen |
| self.countingCodegen.currentStructInfo = structInfo |
| cgen.stmt("(void)%s" % self.featureBitsVar); |
| cgen.stmt("(void)%s" % self.rootTypeVar); |
| cgen.stmt("(void)%s" % self.countVars[0]); |
| cgen.stmt("(void)%s" % self.countVars[1]); |
| |
| if category == "struct": |
| # marshal 'let' parameters first |
| for letp in letParams: |
| self.countingCodegen.streamLetParameter(self.typeInfo, letp) |
| |
| for member in structInfo.members: |
| iterateVulkanType(self.typeInfo, member, self.countingCodegen) |
| if category == "union": |
| iterateVulkanType(self.typeInfo, structInfo.members[0], self.countingCodegen) |
| |
| def structCountingDefNoFilter(cgen): |
| self.countingCodegen.cgen = cgen |
| self.countingCodegen.currentStructInfo = structInfo |
| self.countingCodegen.doFiltering = False |
| cgen.stmt("(void)%s" % self.featureBitsVar); |
| cgen.stmt("(void)%s" % self.rootTypeVar); |
| cgen.stmt("(void)%s" % self.countVars[0]); |
| cgen.stmt("(void)%s" % self.countVars[1]); |
| |
| if category == "struct": |
| # marshal 'let' parameters first |
| for letp in letParams: |
| self.countingCodegen.streamLetParameter(self.typeInfo, letp) |
| |
| for member in structInfo.members: |
| iterateVulkanType(self.typeInfo, member, self.countingCodegen) |
| if category == "union": |
| iterateVulkanType(self.typeInfo, structInfo.members[0], self.countingCodegen) |
| |
| self.countingCodegen.doFiltering = True |
| |
| self.module.appendHeader( |
| self.codegen.makeFuncDecl(countingPrototype)) |
| self.module.appendImpl( |
| self.codegen.makeFuncImpl(countingPrototype, structCountingDef)) |
| |
| if freeParams != []: |
| self.module.appendHeader( |
| self.cgenHeader.makeFuncDecl(countingPrototypeNoFilter)) |
| self.module.appendImpl( |
| self.cgenImpl.makeFuncImpl( |
| countingPrototypeNoFilter, structCountingDefNoFilter)) |
| |
| def onGenCmd(self, cmdinfo, name, alias): |
| VulkanWrapperGenerator.onGenCmd(self, cmdinfo, name, alias) |
| |
| def doExtensionStructCountCodegen(self, cgen, extParam, forEach, funcproto): |
| accessVar = "structAccess" |
| sizeVar = "currExtSize" |
| cgen.stmt("VkInstanceCreateInfo* %s = (VkInstanceCreateInfo*)(%s)" % (accessVar, extParam.paramName)) |
| cgen.stmt("size_t %s = %s(%s, %s, %s)" % (sizeVar, EXTENSION_SIZE_WITH_STREAM_FEATURES_API_NAME, |
| self.featureBitsVar, ROOT_TYPE_VAR_NAME, extParam.paramName)) |
| |
| cgen.beginIf("!%s && %s" % (sizeVar, extParam.paramName)) |
| |
| cgen.line("// unknown struct extension; skip and call on its pNext field"); |
| cgen.funcCall(None, funcproto.name, [ |
| self.featureBitsVar, ROOT_TYPE_VAR_NAME, "(void*)%s->pNext" % accessVar, self.countVars[1]]) |
| cgen.stmt("return") |
| |
| cgen.endIf() |
| cgen.beginElse() |
| |
| cgen.line("// known or null extension struct") |
| |
| cgen.stmt("*%s += sizeof(uint32_t)" % self.countVars[1]) |
| |
| cgen.beginIf("!%s" % (sizeVar)) |
| cgen.line("// exit if this was a null extension struct (size == 0 in this branch)") |
| cgen.stmt("return") |
| cgen.endIf() |
| |
| cgen.endIf() |
| |
| cgen.stmt("*%s += sizeof(VkStructureType)" % self.countVars[1]) |
| |
| def fatalDefault(cgen): |
| cgen.line("// fatal; the switch is only taken if the extension struct is known"); |
| cgen.stmt("abort()") |
| pass |
| |
| self.emitForEachStructExtension( |
| cgen, |
| makeVulkanTypeSimple(False, "void", 0, "void"), |
| extParam, |
| forEach, |
| defaultEmit=fatalDefault, |
| rootTypeVar=ROOT_TYPE_PARAM) |
| |
| def onEnd(self,): |
| VulkanWrapperGenerator.onEnd(self) |
| |
| def forEachExtensionCounting(ext, castedAccess, cgen): |
| cgen.funcCall(None, self.countingPrefix + ext.name, |
| [self.featureBitsVar, self.rootTypeVar, castedAccess, self.countVars[1]]) |
| |
| self.module.appendImpl( |
| self.codegen.makeFuncImpl( |
| self.extensionCountingPrototype, |
| lambda cgen: self.doExtensionStructCountCodegen( |
| cgen, |
| STRUCT_EXTENSION_PARAM, |
| forEachExtensionCounting, |
| self.extensionCountingPrototype))) |
