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# 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, VulkanAPIWrapper
from .common.vulkantypes import \
VulkanAPI, makeVulkanTypeSimple, iterateVulkanType, VulkanTypeIterator, Atom, FuncExpr, FuncExprVal, FuncLambda
from .wrapperdefs import VulkanWrapperGenerator
from .wrapperdefs import VULKAN_STREAM_VAR_NAME
from .wrapperdefs import ROOT_TYPE_VAR_NAME, ROOT_TYPE_PARAM
from .wrapperdefs import STREAM_RET_TYPE
from .wrapperdefs import MARSHAL_INPUT_VAR_NAME
from .wrapperdefs import UNMARSHAL_INPUT_VAR_NAME
from .wrapperdefs import PARAMETERS_MARSHALING
from .wrapperdefs import PARAMETERS_MARSHALING_GUEST
from .wrapperdefs import STYPE_OVERRIDE
from .wrapperdefs import STRUCT_EXTENSION_PARAM, STRUCT_EXTENSION_PARAM_FOR_WRITE, EXTENSION_SIZE_WITH_STREAM_FEATURES_API_NAME
from .wrapperdefs import API_PREFIX_RESERVEDMARSHAL
from .wrapperdefs import API_PREFIX_RESERVEDUNMARSHAL
from .marshalingdefs import CUSTOM_MARSHAL_TYPES
class VulkanReservedMarshalingCodegen(VulkanTypeIterator):
def __init__(self,
cgen,
streamVarName,
rootTypeVarName,
inputVarName,
ptrVarName,
marshalPrefix,
handlemapPrefix,
direction = "write",
forApiOutput = False,
dynAlloc = False,
mapHandles = True,
handleMapOverwrites = False,
doFiltering = True,
stackVar=None,
stackArrSize=None):
self.cgen = cgen
self.direction = direction
self.processSimple = "write" if self.direction == "write" else "read"
self.forApiOutput = forApiOutput
self.checked = False
self.streamVarName = streamVarName
self.rootTypeVarName = rootTypeVarName
self.inputVarName = inputVarName
self.ptrVar = ptrVarName
self.marshalPrefix = marshalPrefix
self.handlemapPrefix = handlemapPrefix
self.exprAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.inputVarName, asPtr = True)
self.exprValueAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.inputVarName, asPtr = False)
self.exprPrimitiveValueAccessor = lambda t: self.cgen.generalAccess(t, parentVarName = self.inputVarName, asPtr = False)
self.lenAccessor = lambda t: self.cgen.generalLengthAccess(t, parentVarName = self.inputVarName)
self.lenAccessorGuard = lambda t: self.cgen.generalLengthAccessGuard(
t, parentVarName=self.inputVarName)
self.filterVarAccessor = lambda t: self.cgen.filterVarAccess(t, parentVarName = self.inputVarName)
self.dynAlloc = dynAlloc
self.mapHandles = mapHandles
self.handleMapOverwrites = handleMapOverwrites
self.doFiltering = doFiltering
self.stackVar = stackVar
self.stackArrSize = stackArrSize
def getTypeForStreaming(self, vulkanType):
res = copy(vulkanType)
if not vulkanType.accessibleAsPointer():
res = res.getForAddressAccess()
if vulkanType.staticArrExpr:
res = res.getForAddressAccess()
if self.direction == "write":
return res
else:
return res.getForNonConstAccess()
def makeCastExpr(self, vulkanType):
return "(%s)" % (
self.cgen.makeCTypeDecl(vulkanType, useParamName=False))
def genPtrIncr(self, sizeExpr):
self.cgen.stmt("*%s += %s" % (self.ptrVar, sizeExpr))
def genMemcpyAndIncr(self, varname, cast, toStreamExpr, sizeExpr, toBe = False, actualSize = 4):
if self.direction == "write":
self.cgen.stmt("memcpy(*%s, %s%s, %s)" % (varname, cast, toStreamExpr, sizeExpr))
else:
self.cgen.stmt("memcpy(%s%s, *%s, %s)" % (cast, toStreamExpr, varname, sizeExpr))
if toBe:
streamPrefix = "to"
if "read" == self.direction:
streamPrefix = "from"
streamMethod = streamPrefix
if 1 == actualSize:
streamMethod += "Byte"
elif 2 == actualSize:
streamMethod += "Be16"
elif 4 == actualSize:
streamMethod += "Be32"
elif 8 == actualSize:
streamMethod += "Be64"
else:
pass
if self.direction == "write":
self.cgen.stmt("android::base::Stream::%s((uint8_t*)*%s)" % (streamMethod, varname))
else:
self.cgen.stmt("android::base::Stream::%s((uint8_t*)%s)" % (streamMethod, toStreamExpr))
self.genPtrIncr(sizeExpr)
def genStreamCall(self, vulkanType, toStreamExpr, sizeExpr):
varname = self.ptrVar
cast = self.makeCastExpr(self.getTypeForStreaming(vulkanType))
self.genMemcpyAndIncr(varname, cast, toStreamExpr, sizeExpr)
def genPrimitiveStreamCall(self, vulkanType, access):
varname = self.ptrVar
self.cgen.memcpyPrimitive(
self.typeInfo,
"(*" + varname + ")",
access,
vulkanType,
direction=self.direction)
self.genPtrIncr(str(self.cgen.countPrimitive(
self.typeInfo,
vulkanType)))
def genHandleMappingCall(self, vulkanType, access, lenAccess, lenAccessGuard):
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("uint8_t* %s_ptr = (uint8_t*)(*%s)" % (handle64Var, self.ptrVar))
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.handlemapPrefix:
mapFunc = ("(%s)" % vulkanType.typeName)
mapFunc64 = ("(%s)" % "uint64_t")
else:
mapFunc = self.handlemapPrefix + vulkanType.typeName
mapFunc64 = mapFunc
if self.direction == "write":
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))
if "1" == lenAccess:
self.cgen.stmt("*%s = (%s)%s(*%s)" % (access, vulkanType.typeName, mapFunc, access))
self.genStreamCall(vulkanType, access, "8 * %s" % lenAccess)
else:
if lenAccessGuard is not None:
self.cgen.beginIf(lenAccessGuard)
self.cgen.beginFor("uint32_t k = 0", "k < %s" % lenAccess, "++k")
self.cgen.stmt("%s[k] = (%s)%s(%s[k])" % (access, vulkanType.typeName, mapFunc, access))
self.cgen.endFor()
if lenAccessGuard is not None:
self.cgen.endIf()
self.genPtrIncr("8 * %s" % lenAccess)
else:
if "1" == lenAccess:
self.cgen.stmt("*%s = %s((*%s))" % (handle64VarAccess, mapFunc64, access))
self.genStreamCall(handle64VarType, handle64VarAccess, handle64Bytes)
else:
if lenAccessGuard is not None:
self.cgen.beginIf(lenAccessGuard)
self.cgen.beginFor("uint32_t k = 0", "k < %s" % lenAccess, "++k")
self.cgen.stmt("uint64_t tmpval = %s(%s[k])" % (mapFunc64, access))
self.cgen.stmt("memcpy(%s_ptr + k * 8, &tmpval, sizeof(uint64_t))" % (handle64Var))
self.cgen.endFor()
if lenAccessGuard is not None:
self.cgen.endIf()
self.genPtrIncr("8 * %s" % lenAccess)
else:
if "1" == lenAccess:
self.genStreamCall(handle64VarType, handle64VarAccess, handle64Bytes)
self.cgen.stmt("*%s%s = (%s)%s((%s)(*%s))" % (
self.makeCastExpr(vulkanType.getForNonConstAccess()), access,
vulkanType.typeName,mapFunc, vulkanType.typeName, handle64VarAccess))
else:
self.genPtrIncr("8 * %s" % lenAccess)
if lenAccessGuard is not None:
self.cgen.beginIf(lenAccessGuard)
self.cgen.beginFor("uint32_t k = 0", "k < %s" % lenAccess, "++k")
self.cgen.stmt("uint64_t tmpval; memcpy(&tmpval, %s_ptr + k * 8, sizeof(uint64_t))" % handle64Var)
self.cgen.stmt("*((%s%s) + k) = (%s)%s((%s)tmpval)" % (
self.makeCastExpr(vulkanType.getForNonConstAccess()), access,
vulkanType.typeName, mapFunc, vulkanType.typeName))
if lenAccessGuard is not None:
self.cgen.endIf()
self.cgen.endFor()
if lenAccess != "1":
self.cgen.endIf()
def doAllocSpace(self, vulkanType):
if self.dynAlloc and self.direction == "read":
access = self.exprAccessor(vulkanType)
lenAccess = self.lenAccessor(vulkanType)
sizeof = self.cgen.sizeofExpr( \
vulkanType.getForValueAccess())
if lenAccess:
bytesExpr = "%s * %s" % (lenAccess, sizeof)
else:
bytesExpr = sizeof
lenAccess = "1"
if self.stackVar:
if self.stackArrSize != lenAccess:
self.cgen.beginIf("%s <= %s" % (lenAccess, self.stackArrSize))
self.cgen.stmt( \
"%s = %s%s" % (access, self.makeCastExpr(vulkanType.getForNonConstAccess()), self.stackVar))
if self.stackArrSize != lenAccess:
self.cgen.endIf()
self.cgen.beginElse()
if self.stackArrSize != lenAccess:
self.cgen.stmt( \
"%s->alloc((void**)&%s, %s)" %
(self.streamVarName,
access, bytesExpr))
if self.stackArrSize != lenAccess:
self.cgen.endIf()
else:
self.cgen.stmt( \
"%s->alloc((void**)&%s, %s)" %
(self.streamVarName,
access, bytesExpr))
def getOptionalStringFeatureExpr(self, vulkanType):
if vulkanType.optionalStr is not None:
if vulkanType.optionalStr.startswith("streamFeature:"):
splitted = vulkanType.optionalStr.split(":")
featureExpr = "%s->getFeatureBits() & %s" % (self.streamVarName, splitted[1])
return featureExpr
return None
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")
if (self.dynAlloc and self.direction == "read") or self.direction == "write":
checkAccess = self.exprAccessor(vulkanType)
addrExpr = "&" + checkAccess
sizeExpr = self.cgen.sizeofExpr(vulkanType)
else:
checkName = "check_%s" % vulkanType.paramName
self.cgen.stmt("%s %s" % (
self.cgen.makeCTypeDecl(vulkanType, useParamName = False), checkName))
checkAccess = checkName
addrExpr = "&" + checkAccess
sizeExpr = self.cgen.sizeofExpr(vulkanType)
needConsistencyCheck = True
if featureExpr is not None:
self.cgen.beginIf(featureExpr)
self.genPrimitiveStreamCall(
vulkanType,
checkAccess)
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->getFeatureBits() & VULKAN_STREAM_FEATURE_NULL_OPTIONAL_STRINGS_BIT" % self.streamVarName)
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 "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->getFeatureBits() & VULKAN_STREAM_FEATURE_IGNORED_HANDLES_BIT" % self.streamVarName
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)
self.beginFilterGuard(vulkanType)
if vulkanType.pointerIndirectionLevels > 0:
self.doAllocSpace(vulkanType)
if lenAccess is not None:
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.streamVarName, self.rootTypeVarName, accessWithCast, self.ptrVar]
for (bindName, localName) in vulkanType.binds.items():
callParams.append(self.getEnvAccessExpr(localName))
self.cgen.funcCall(None, self.marshalPrefix + vulkanType.typeName,
callParams)
if lenAccess is not None:
self.cgen.endFor()
if self.direction == "read":
self.endFilterGuard(vulkanType, "%s = 0" % self.exprAccessor(vulkanType))
else:
self.endFilterGuard(vulkanType)
def onString(self, vulkanType):
access = self.exprAccessor(vulkanType)
if self.direction == "write":
self.cgen.beginBlock()
self.cgen.stmt("uint32_t l = %s ? strlen(%s): 0" % (access, access))
self.genMemcpyAndIncr(self.ptrVar, "(uint32_t*)" ,"&l", "sizeof(uint32_t)", toBe = True, actualSize = 4)
self.genMemcpyAndIncr(self.ptrVar, "(char*)", access, "l")
self.cgen.endBlock()
else:
castExpr = \
self.makeCastExpr( \
self.getTypeForStreaming( \
vulkanType.getForAddressAccess()))
self.cgen.stmt( \
"%s->loadStringInPlaceWithStreamPtr(%s&%s, %s)" % (self.streamVarName, castExpr, access, self.ptrVar))
def onStringArray(self, vulkanType):
access = self.exprAccessor(vulkanType)
lenAccess = self.lenAccessor(vulkanType)
lenAccessGuard = self.lenAccessorGuard(vulkanType)
if self.direction == "write":
self.cgen.beginBlock()
self.cgen.stmt("uint32_t c = 0")
if lenAccessGuard is not None:
self.cgen.beginIf(lenAccessGuard)
self.cgen.stmt("c = %s" % (lenAccess))
if lenAccessGuard is not None:
self.cgen.endIf()
self.genMemcpyAndIncr(self.ptrVar, "(uint32_t*)" ,"&c", "sizeof(uint32_t)", toBe = True, actualSize = 4)
self.cgen.beginFor("uint32_t i = 0", "i < c", "++i")
self.cgen.stmt("uint32_t l = %s ? strlen(%s[i]): 0" % (access, access))
self.genMemcpyAndIncr(self.ptrVar, "(uint32_t*)" ,"&l", "sizeof(uint32_t)", toBe = True, actualSize = 4)
self.cgen.beginIf("l")
self.genMemcpyAndIncr(self.ptrVar, "(char*)", "(%s[i])" % access, "l")
self.cgen.endIf()
self.cgen.endFor()
self.cgen.endBlock()
else:
castExpr = \
self.makeCastExpr( \
self.getTypeForStreaming( \
vulkanType.getForAddressAccess()))
self.cgen.stmt("%s->loadStringArrayInPlaceWithStreamPtr(%s&%s, %s)" % (self.streamVarName, castExpr, access, self.ptrVar))
def onStaticArr(self, vulkanType):
access = self.exprValueAccessor(vulkanType)
lenAccess = self.lenAccessor(vulkanType)
finalLenExpr = "%s * %s" % (lenAccess, self.cgen.sizeofExpr(vulkanType))
self.genStreamCall(vulkanType, access, finalLenExpr)
# Old version VkEncoder may have some sType values conflict with VkDecoder
# of new versions. For host decoder, it should not carry the incorrect old
# sType values to the |forUnmarshaling| struct. Instead it should overwrite
# the sType value.
def overwriteSType(self, vulkanType):
if self.direction == "read":
sTypeParam = copy(vulkanType)
sTypeParam.paramName = "sType"
sTypeAccess = self.exprAccessor(sTypeParam)
typeName = vulkanType.parent.typeName
if typeName in STYPE_OVERRIDE:
self.cgen.stmt("%s = %s" %
(sTypeAccess, STYPE_OVERRIDE[typeName]))
def onStructExtension(self, vulkanType):
self.overwriteSType(vulkanType)
sTypeParam = copy(vulkanType)
sTypeParam.paramName = "sType"
access = self.exprAccessor(vulkanType)
sizeVar = "%s_size" % vulkanType.paramName
if self.direction == "read":
castedAccessExpr = "(%s)(%s)" % ("void*", access)
else:
castedAccessExpr = access
sTypeAccess = self.exprAccessor(sTypeParam)
self.cgen.beginIf("%s == VK_STRUCTURE_TYPE_MAX_ENUM" % self.rootTypeVarName)
self.cgen.stmt("%s = %s" % (self.rootTypeVarName, sTypeAccess))
self.cgen.endIf()
if self.direction == "read" and self.dynAlloc:
self.cgen.stmt("uint32_t %s" % sizeVar)
self.genMemcpyAndIncr(self.ptrVar, "(uint32_t*)", "&" + sizeVar, "sizeof(uint32_t)", toBe = True, actualSize = 4)
self.cgen.stmt("%s = nullptr" % access)
self.cgen.beginIf(sizeVar)
self.cgen.stmt( \
"%s->alloc((void**)&%s, sizeof(VkStructureType))" %
(self.streamVarName, access))
self.genStreamCall(vulkanType, access, "sizeof(VkStructureType)")
self.cgen.stmt("VkStructureType extType = *(VkStructureType*)(%s)" % access)
self.cgen.stmt( \
"%s->alloc((void**)&%s, %s(%s->getFeatureBits(), %s, %s))" %
(self.streamVarName, access, EXTENSION_SIZE_WITH_STREAM_FEATURES_API_NAME, self.streamVarName, self.rootTypeVarName, access))
self.cgen.stmt("*(VkStructureType*)%s = extType" % access)
self.cgen.funcCall(None, self.marshalPrefix + "extension_struct",
[self.streamVarName, self.rootTypeVarName, castedAccessExpr, self.ptrVar])
self.cgen.endIf()
else:
self.cgen.funcCall(None, self.marshalPrefix + "extension_struct",
[self.streamVarName, self.rootTypeVarName, castedAccessExpr, self.ptrVar])
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, lenAccessGuard)
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(), "%s[i]" % access)
self.cgen.endFor()
if lenAccessGuard is not None:
self.cgen.endIf()
else:
self.genPrimitiveStreamCall(vulkanType.getForValueAccess(), "(*%s)" % access)
else:
if lenAccess is not None:
finalLenExpr = "%s * %s" % (
lenAccess, self.cgen.sizeofExpr(vulkanType.getForValueAccess()))
else:
finalLenExpr = "%s" % (
self.cgen.sizeofExpr(vulkanType.getForValueAccess()))
self.genStreamCall(vulkanType, access, finalLenExpr)
if self.direction == "read":
self.endFilterGuard(vulkanType, "%s = 0" % access)
else:
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", None)
elif self.typeInfo.isNonAbiPortableType(vulkanType.typeName):
access = self.exprPrimitiveValueAccessor(vulkanType)
self.genPrimitiveStreamCall(vulkanType, access)
else:
access = self.exprAccessor(vulkanType)
self.genStreamCall(vulkanType, access, self.cgen.sizeofExpr(vulkanType))
self.endFilterGuard(vulkanType)
def streamLetParameter(self, structInfo, letParamInfo):
filterFeature = "%s->getFeatureBits() & VULKAN_STREAM_FEATURE_IGNORED_HANDLES_BIT" % self.streamVarName
self.cgen.stmt("%s %s = 1" % (letParamInfo.typeName, letParamInfo.paramName))
self.cgen.beginIf(filterFeature)
if self.direction == "write":
bodyExpr = self.currentStructInfo.environment[letParamInfo.paramName]["body"]
self.cgen.stmt("%s = %s" % (letParamInfo.paramName, self.genFilterFunc(bodyExpr, self.currentStructInfo.environment)))
self.genPrimitiveStreamCall(letParamInfo, letParamInfo.paramName)
self.cgen.endIf()
class VulkanReservedMarshaling(VulkanWrapperGenerator):
def __init__(self, module, typeInfo, variant="host"):
VulkanWrapperGenerator.__init__(self, module, typeInfo)
self.cgenHeader = CodeGen()
self.cgenImpl = CodeGen()
self.variant = variant
self.currentFeature = None
self.apiOpcodes = {}
self.dynAlloc = self.variant != "guest"
self.ptrVarName = "ptr"
self.ptrVarType = makeVulkanTypeSimple(False, "uint8_t", 2, self.ptrVarName)
self.ptrVarTypeUnmarshal = makeVulkanTypeSimple(False, "uint8_t", 2, self.ptrVarName)
if self.variant == "guest":
self.marshalingParams = PARAMETERS_MARSHALING_GUEST
else:
self.marshalingParams = PARAMETERS_MARSHALING
self.writeCodegen = \
VulkanReservedMarshalingCodegen(
None,
VULKAN_STREAM_VAR_NAME,
ROOT_TYPE_VAR_NAME,
MARSHAL_INPUT_VAR_NAME,
self.ptrVarName,
API_PREFIX_RESERVEDMARSHAL,
"get_host_u64_" if "guest" == self.variant else "",
direction = "write")
self.readCodegen = \
VulkanReservedMarshalingCodegen(
None,
VULKAN_STREAM_VAR_NAME,
ROOT_TYPE_VAR_NAME,
UNMARSHAL_INPUT_VAR_NAME,
self.ptrVarName,
API_PREFIX_RESERVEDUNMARSHAL,
"unbox_" if "host" == self.variant else "",
direction = "read",
dynAlloc=self.dynAlloc)
self.knownDefs = {}
self.extensionMarshalPrototype = \
VulkanAPI(API_PREFIX_RESERVEDMARSHAL + "extension_struct",
STREAM_RET_TYPE,
self.marshalingParams +
[STRUCT_EXTENSION_PARAM, self.ptrVarType])
self.extensionUnmarshalPrototype = \
VulkanAPI(API_PREFIX_RESERVEDUNMARSHAL + "extension_struct",
STREAM_RET_TYPE,
self.marshalingParams +
[STRUCT_EXTENSION_PARAM_FOR_WRITE, self.ptrVarTypeUnmarshal])
def onBegin(self,):
VulkanWrapperGenerator.onBegin(self)
self.module.appendImpl(self.cgenImpl.makeFuncDecl(self.extensionMarshalPrototype))
self.module.appendImpl(self.cgenImpl.makeFuncDecl(self.extensionUnmarshalPrototype))
def onBeginFeature(self, featureName):
VulkanWrapperGenerator.onBeginFeature(self, featureName)
self.currentFeature = featureName
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:
if self.variant != "host":
self.module.appendHeader(
self.cgenHeader.makeFuncAlias(API_PREFIX_RESERVEDMARSHAL + name,
API_PREFIX_RESERVEDMARSHAL + alias))
if self.variant != "guest":
self.module.appendHeader(
self.cgenHeader.makeFuncAlias(API_PREFIX_RESERVEDUNMARSHAL + name,
API_PREFIX_RESERVEDUNMARSHAL + alias))
if category in ["struct", "union"] and not alias:
structInfo = self.typeInfo.structs[name]
marshalParams = self.marshalingParams + \
[makeVulkanTypeSimple(True, name, 1, MARSHAL_INPUT_VAR_NAME),
self.ptrVarType]
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))
marshalPrototype = \
VulkanAPI(API_PREFIX_RESERVEDMARSHAL + name,
STREAM_RET_TYPE,
marshalParams + freeParams)
marshalPrototypeNoFilter = \
VulkanAPI(API_PREFIX_RESERVEDMARSHAL + name,
STREAM_RET_TYPE,
marshalParams)
def structMarshalingCustom(cgen):
self.writeCodegen.cgen = cgen
self.writeCodegen.currentStructInfo = structInfo
marshalingCode = \
CUSTOM_MARSHAL_TYPES[name]["common"] + \
CUSTOM_MARSHAL_TYPES[name]["reservedmarshaling"].format(
streamVarName=self.writeCodegen.streamVarName,
rootTypeVarName=self.writeCodegen.rootTypeVarName,
inputVarName=self.writeCodegen.inputVarName,
newInputVarName=self.writeCodegen.inputVarName + "_new")
for line in marshalingCode.split('\n'):
cgen.line(line)
def structMarshalingDef(cgen):
self.writeCodegen.cgen = cgen
self.writeCodegen.currentStructInfo = structInfo
self.writeCodegen.cgen.stmt("(void)%s" % VULKAN_STREAM_VAR_NAME)
self.writeCodegen.cgen.stmt("(void)%s" % ROOT_TYPE_VAR_NAME)
if category == "struct":
# marshal 'let' parameters first
for letp in letParams:
self.writeCodegen.streamLetParameter(self.typeInfo, letp)
for member in structInfo.members:
iterateVulkanType(self.typeInfo, member, self.writeCodegen)
if category == "union":
iterateVulkanType(self.typeInfo, structInfo.members[0], self.writeCodegen)
def structMarshalingDefNoFilter(cgen):
self.writeCodegen.cgen = cgen
self.writeCodegen.currentStructInfo = structInfo
self.writeCodegen.doFiltering = False
self.writeCodegen.cgen.stmt("(void)%s" % VULKAN_STREAM_VAR_NAME)
self.writeCodegen.cgen.stmt("(void)%s" % ROOT_TYPE_VAR_NAME)
if category == "struct":
# marshal 'let' parameters first
for letp in letParams:
self.writeCodegen.streamLetParameter(self.typeInfo, letp)
for member in structInfo.members:
iterateVulkanType(self.typeInfo, member, self.writeCodegen)
if category == "union":
iterateVulkanType(self.typeInfo, structInfo.members[0], self.writeCodegen)
self.writeCodegen.doFiltering = True
if self.variant != "host":
self.module.appendHeader(
self.cgenHeader.makeFuncDecl(marshalPrototype))
if name in CUSTOM_MARSHAL_TYPES:
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
marshalPrototype, structMarshalingCustom))
else:
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
marshalPrototype, structMarshalingDef))
if freeParams != []:
self.module.appendHeader(
self.cgenHeader.makeFuncDecl(marshalPrototypeNoFilter))
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
marshalPrototypeNoFilter, structMarshalingDefNoFilter))
unmarshalPrototype = \
VulkanAPI(API_PREFIX_RESERVEDUNMARSHAL + name,
STREAM_RET_TYPE,
self.marshalingParams + [makeVulkanTypeSimple(False, name, 1, UNMARSHAL_INPUT_VAR_NAME), self.ptrVarTypeUnmarshal] + freeParams)
unmarshalPrototypeNoFilter = \
VulkanAPI(API_PREFIX_RESERVEDUNMARSHAL + name,
STREAM_RET_TYPE,
self.marshalingParams + [makeVulkanTypeSimple(False, name, 1, UNMARSHAL_INPUT_VAR_NAME), self.ptrVarTypeUnmarshal])
def structUnmarshalingCustom(cgen):
self.readCodegen.cgen = cgen
self.readCodegen.currentStructInfo = structInfo
unmarshalingCode = \
CUSTOM_MARSHAL_TYPES[name]["common"] + \
CUSTOM_MARSHAL_TYPES[name]["reservedunmarshaling"].format(
streamVarName=self.readCodegen.streamVarName,
rootTypeVarName=self.readCodegen.rootTypeVarName,
inputVarName=self.readCodegen.inputVarName,
newInputVarName=self.readCodegen.inputVarName + "_new")
for line in unmarshalingCode.split('\n'):
cgen.line(line)
def structUnmarshalingDef(cgen):
self.readCodegen.cgen = cgen
self.readCodegen.currentStructInfo = structInfo
if category == "struct":
# unmarshal 'let' parameters first
for letp in letParams:
self.readCodegen.streamLetParameter(self.typeInfo, letp)
for member in structInfo.members:
iterateVulkanType(self.typeInfo, member, self.readCodegen)
if category == "union":
iterateVulkanType(self.typeInfo, structInfo.members[0], self.readCodegen)
def structUnmarshalingDefNoFilter(cgen):
self.readCodegen.cgen = cgen
self.readCodegen.currentStructInfo = structInfo
self.readCodegen.doFiltering = False
if category == "struct":
# unmarshal 'let' parameters first
for letp in letParams:
iterateVulkanType(self.typeInfo, letp, self.readCodegen)
for member in structInfo.members:
iterateVulkanType(self.typeInfo, member, self.readCodegen)
if category == "union":
iterateVulkanType(self.typeInfo, structInfo.members[0], self.readCodegen)
self.readCodegen.doFiltering = True
if self.variant != "guest":
self.module.appendHeader(
self.cgenHeader.makeFuncDecl(unmarshalPrototype))
if name in CUSTOM_MARSHAL_TYPES:
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
unmarshalPrototype, structUnmarshalingCustom))
else:
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
unmarshalPrototype, structUnmarshalingDef))
if freeParams != []:
self.module.appendHeader(
self.cgenHeader.makeFuncDecl(unmarshalPrototypeNoFilter))
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
unmarshalPrototypeNoFilter, structUnmarshalingDefNoFilter))
def onGenCmd(self, cmdinfo, name, alias):
VulkanWrapperGenerator.onGenCmd(self, cmdinfo, name, alias)
def doExtensionStructMarshalingCodegen(self, cgen, retType, extParam, forEach, funcproto, direction):
accessVar = "structAccess"
sizeVar = "currExtSize"
cgen.stmt("VkInstanceCreateInfo* %s = (VkInstanceCreateInfo*)(%s)" % (accessVar, extParam.paramName))
cgen.stmt("uint32_t %s = %s(%s->getFeatureBits(), %s, %s)" % (sizeVar, EXTENSION_SIZE_WITH_STREAM_FEATURES_API_NAME, VULKAN_STREAM_VAR_NAME, 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, ["vkStream", ROOT_TYPE_VAR_NAME, "(void*)%s->pNext" % accessVar, self.ptrVarName])
cgen.stmt("return")
cgen.endIf()
cgen.beginElse()
cgen.line("// known or null extension struct")
if direction == "write":
cgen.stmt("memcpy(*%s, &%s, sizeof(uint32_t));" % (self.ptrVarName, sizeVar))
cgen.stmt("android::base::Stream::toBe32((uint8_t*)*%s); *%s += sizeof(uint32_t)" % (self.ptrVarName, self.ptrVarName))
elif not self.dynAlloc:
cgen.stmt("memcpy(&%s, *%s, sizeof(uint32_t));" % (sizeVar, self.ptrVarName))
cgen.stmt("android::base::Stream::fromBe32((uint8_t*)&%s); *%s += sizeof(uint32_t)" % (sizeVar, self.ptrVarName))
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()
# Now we can do stream stuff
if direction == "write":
cgen.stmt("memcpy(*%s, %s, sizeof(VkStructureType)); *%s += sizeof(VkStructureType)" % (self.ptrVarName, extParam.paramName, self.ptrVarName))
elif not self.dynAlloc:
cgen.stmt("uint64_t pNext_placeholder")
placeholderAccess = "(&pNext_placeholder)"
cgen.stmt("memcpy(%s, *%s, sizeof(VkStructureType)); *%s += sizeof(VkStructureType)" % (placeholderAccess, self.ptrVarName, self.ptrVarName))
cgen.stmt("(void)pNext_placeholder")
def fatalDefault(cgen):
cgen.line("// fatal; the switch is only taken if the extension struct is known");
cgen.stmt("abort()")
pass
self.emitForEachStructExtension(
cgen,
retType,
extParam,
forEach,
defaultEmit=fatalDefault,
rootTypeVar=ROOT_TYPE_PARAM)
def onEnd(self,):
VulkanWrapperGenerator.onEnd(self)
def forEachExtensionMarshal(ext, castedAccess, cgen):
cgen.funcCall(None, API_PREFIX_RESERVEDMARSHAL + ext.name,
[VULKAN_STREAM_VAR_NAME, ROOT_TYPE_VAR_NAME, castedAccess, self.ptrVarName])
def forEachExtensionUnmarshal(ext, castedAccess, cgen):
cgen.funcCall(None, API_PREFIX_RESERVEDUNMARSHAL + ext.name,
[VULKAN_STREAM_VAR_NAME, ROOT_TYPE_VAR_NAME, castedAccess, self.ptrVarName])
if self.variant != "host":
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
self.extensionMarshalPrototype,
lambda cgen: self.doExtensionStructMarshalingCodegen(
cgen,
STREAM_RET_TYPE,
STRUCT_EXTENSION_PARAM,
forEachExtensionMarshal,
self.extensionMarshalPrototype,
"write")))
if self.variant != "guest":
self.module.appendImpl(
self.cgenImpl.makeFuncImpl(
self.extensionUnmarshalPrototype,
lambda cgen: self.doExtensionStructMarshalingCodegen(
cgen,
STREAM_RET_TYPE,
STRUCT_EXTENSION_PARAM_FOR_WRITE,
forEachExtensionUnmarshal,
self.extensionUnmarshalPrototype,
"read")))