Externals: Update glslang to upstream commit 32d3ec3

This commit is contained in:
Stenzek
2018-06-02 07:26:43 +00:00
parent 160d16f1b3
commit bc96557ec4
149 changed files with 47830 additions and 13886 deletions

View File

@ -1,11 +1,11 @@
//
//Copyright (C) 2015 LunarG, Inc.
// Copyright (C) 2015 LunarG, Inc.
//
//All rights reserved.
// All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
@ -19,18 +19,18 @@
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGE.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
#include "SPVRemapper.h"
@ -103,10 +103,10 @@ namespace spv {
switch (opCode) {
case spv::OpTypeVector: // fall through
case spv::OpTypeMatrix: // ...
case spv::OpTypeSampler: // ...
case spv::OpTypeArray: // ...
case spv::OpTypeRuntimeArray: // ...
case spv::OpTypeMatrix: // ...
case spv::OpTypeSampler: // ...
case spv::OpTypeArray: // ...
case spv::OpTypeRuntimeArray: // ...
case spv::OpTypePipe: return range_t(2, 3);
case spv::OpTypeStruct: // fall through
case spv::OpTypeFunction: return range_t(2, maxCount);
@ -127,6 +127,38 @@ namespace spv {
}
}
// Return the size of a type in 32-bit words. This currently only
// handles ints and floats, and is only invoked by queries which must be
// integer types. If ever needed, it can be generalized.
unsigned spirvbin_t::typeSizeInWords(spv::Id id) const
{
const unsigned typeStart = idPos(id);
const spv::Op opCode = asOpCode(typeStart);
if (errorLatch)
return 0;
switch (opCode) {
case spv::OpTypeInt: // fall through...
case spv::OpTypeFloat: return (spv[typeStart+2]+31)/32;
default:
return 0;
}
}
// Looks up the type of a given const or variable ID, and
// returns its size in 32-bit words.
unsigned spirvbin_t::idTypeSizeInWords(spv::Id id) const
{
const auto tid_it = idTypeSizeMap.find(id);
if (tid_it == idTypeSizeMap.end()) {
error("type size for ID not found");
return 0;
}
return tid_it->second;
}
// Is this an opcode we should remove when using --strip?
bool spirvbin_t::isStripOp(spv::Op opCode) const
{
@ -140,6 +172,7 @@ namespace spv {
}
}
// Return true if this opcode is flow control
bool spirvbin_t::isFlowCtrl(spv::Op opCode) const
{
switch (opCode) {
@ -155,6 +188,7 @@ namespace spv {
}
}
// Return true if this opcode defines a type
bool spirvbin_t::isTypeOp(spv::Op opCode) const
{
switch (opCode) {
@ -182,17 +216,23 @@ namespace spv {
}
}
// Return true if this opcode defines a constant
bool spirvbin_t::isConstOp(spv::Op opCode) const
{
switch (opCode) {
case spv::OpConstantNull: error("unimplemented constant type");
case spv::OpConstantSampler: error("unimplemented constant type");
case spv::OpConstantNull:
case spv::OpConstantSampler:
error("unimplemented constant type");
return true;
case spv::OpConstantTrue:
case spv::OpConstantFalse:
case spv::OpConstantComposite:
case spv::OpConstant: return true;
default: return false;
case spv::OpConstant:
return true;
default:
return false;
}
}
@ -216,21 +256,33 @@ namespace spv {
spv::Id spirvbin_t::localId(spv::Id id, spv::Id newId)
{
assert(id != spv::NoResult && newId != spv::NoResult);
//assert(id != spv::NoResult && newId != spv::NoResult);
if (id > bound()) {
error(std::string("ID out of range: ") + std::to_string(id));
return spirvbin_t::unused;
}
if (id >= idMapL.size())
idMapL.resize(id+1, unused);
if (newId != unmapped && newId != unused) {
if (isOldIdUnused(id))
if (isOldIdUnused(id)) {
error(std::string("ID unused in module: ") + std::to_string(id));
return spirvbin_t::unused;
}
if (!isOldIdUnmapped(id))
if (!isOldIdUnmapped(id)) {
error(std::string("ID already mapped: ") + std::to_string(id) + " -> "
+ std::to_string(localId(id)));
+ std::to_string(localId(id)));
if (isNewIdMapped(newId))
return spirvbin_t::unused;
}
if (isNewIdMapped(newId)) {
error(std::string("ID already used in module: ") + std::to_string(newId));
return spirvbin_t::unused;
}
msg(4, 4, std::string("map: ") + std::to_string(id) + " -> " + std::to_string(newId));
setMapped(newId);
@ -256,7 +308,6 @@ namespace spv {
return literal;
}
void spirvbin_t::applyMap()
{
msg(3, 2, std::string("Applying map: "));
@ -265,12 +316,15 @@ namespace spv {
process(inst_fn_nop, // ignore instructions
[this](spv::Id& id) {
id = localId(id);
if (errorLatch)
return;
assert(id != unused && id != unmapped);
}
);
}
// Find free IDs for anything we haven't mapped
void spirvbin_t::mapRemainder()
{
@ -284,25 +338,31 @@ namespace spv {
continue;
// Find a new mapping for any used but unmapped IDs
if (isOldIdUnmapped(id))
if (isOldIdUnmapped(id)) {
localId(id, unusedId = nextUnusedId(unusedId));
if (errorLatch)
return;
}
if (isOldIdUnmapped(id))
if (isOldIdUnmapped(id)) {
error(std::string("old ID not mapped: ") + std::to_string(id));
return;
}
// Track max bound
maxBound = std::max(maxBound, localId(id) + 1);
if (errorLatch)
return;
}
bound(maxBound); // reset header ID bound to as big as it now needs to be
}
// Mark debug instructions for stripping
void spirvbin_t::stripDebug()
{
if ((options & STRIP) == 0)
return;
// build local Id and name maps
// Strip instructions in the stripOp set: debug info.
process(
[&](spv::Op opCode, unsigned start) {
// remember opcodes we want to strip later
@ -313,6 +373,32 @@ namespace spv {
op_fn_nop);
}
// Mark instructions that refer to now-removed IDs for stripping
void spirvbin_t::stripDeadRefs()
{
process(
[&](spv::Op opCode, unsigned start) {
// strip opcodes pointing to removed data
switch (opCode) {
case spv::OpName:
case spv::OpMemberName:
case spv::OpDecorate:
case spv::OpMemberDecorate:
if (idPosR.find(asId(start+1)) == idPosR.end())
stripInst(start);
break;
default:
break; // leave it alone
}
return true;
},
op_fn_nop);
strip();
}
// Update local maps of ID, type, etc positions
void spirvbin_t::buildLocalMaps()
{
msg(2, 2, std::string("build local maps: "));
@ -321,10 +407,9 @@ namespace spv {
idMapL.clear();
// preserve nameMap, so we don't clear that.
fnPos.clear();
fnPosDCE.clear();
fnCalls.clear();
typeConstPos.clear();
typeConstPosR.clear();
idPosR.clear();
entryPoint = spv::NoResult;
largestNewId = 0;
@ -336,9 +421,27 @@ namespace spv {
// build local Id and name maps
process(
[&](spv::Op opCode, unsigned start) {
// remember opcodes we want to strip later
if ((options & STRIP) && isStripOp(opCode))
stripInst(start);
unsigned word = start+1;
spv::Id typeId = spv::NoResult;
if (spv::InstructionDesc[opCode].hasType())
typeId = asId(word++);
// If there's a result ID, remember the size of its type
if (spv::InstructionDesc[opCode].hasResult()) {
const spv::Id resultId = asId(word++);
idPosR[resultId] = start;
if (typeId != spv::NoResult) {
const unsigned idTypeSize = typeSizeInWords(typeId);
if (errorLatch)
return false;
if (idTypeSize != 0)
idTypeSizeMap[resultId] = idTypeSize;
}
}
if (opCode == spv::Op::OpName) {
const spv::Id target = asId(start+1);
@ -350,24 +453,31 @@ namespace spv {
} else if (opCode == spv::Op::OpEntryPoint) {
entryPoint = asId(start + 2);
} else if (opCode == spv::Op::OpFunction) {
if (fnStart != 0)
if (fnStart != 0) {
error("nested function found");
return false;
}
fnStart = start;
fnRes = asId(start + 2);
} else if (opCode == spv::Op::OpFunctionEnd) {
assert(fnRes != spv::NoResult);
if (fnStart == 0)
if (fnStart == 0) {
error("function end without function start");
return false;
}
fnPos[fnRes] = range_t(fnStart, start + asWordCount(start));
fnStart = 0;
} else if (isConstOp(opCode)) {
if (errorLatch)
return false;
assert(asId(start + 2) != spv::NoResult);
typeConstPos.insert(start);
typeConstPosR[asId(start + 2)] = start;
} else if (isTypeOp(opCode)) {
assert(asId(start + 1) != spv::NoResult);
typeConstPos.insert(start);
typeConstPosR[asId(start + 1)] = start;
}
return false;
@ -382,30 +492,37 @@ namespace spv {
{
msg(2, 2, std::string("validating: "));
if (spv.size() < header_size)
if (spv.size() < header_size) {
error("file too short: ");
return;
}
if (magic() != spv::MagicNumber)
if (magic() != spv::MagicNumber) {
error("bad magic number");
return;
}
// field 1 = version
// field 2 = generator magic
// field 3 = result <id> bound
if (schemaNum() != 0)
if (schemaNum() != 0) {
error("bad schema, must be 0");
return;
}
}
int spirvbin_t::processInstruction(unsigned word, instfn_t instFn, idfn_t idFn)
{
const auto instructionStart = word;
const unsigned wordCount = asWordCount(instructionStart);
const spv::Op opCode = asOpCode(instructionStart);
const int nextInst = word++ + wordCount;
spv::Op opCode = asOpCode(instructionStart);
if (nextInst > int(spv.size()))
if (nextInst > int(spv.size())) {
error("spir instruction terminated too early");
return -1;
}
// Base for computing number of operands; will be updated as more is learned
unsigned numOperands = wordCount - 1;
@ -436,10 +553,31 @@ namespace spv {
return nextInst;
}
// Circular buffer so we can look back at previous unmapped values during the mapping pass.
static const unsigned idBufferSize = 4;
spv::Id idBuffer[idBufferSize];
unsigned idBufferPos = 0;
// Store IDs from instruction in our map
for (int op = 0; numOperands > 0; ++op, --numOperands) {
// SpecConstantOp is special: it includes the operands of another opcode which is
// given as a literal in the 3rd word. We will switch over to pretending that the
// opcode being processed is the literal opcode value of the SpecConstantOp. See the
// SPIRV spec for details. This way we will handle IDs and literals as appropriate for
// the embedded op.
if (opCode == spv::OpSpecConstantOp) {
if (op == 0) {
opCode = asOpCode(word++); // this is the opcode embedded in the SpecConstantOp.
--numOperands;
}
}
switch (spv::InstructionDesc[opCode].operands.getClass(op)) {
case spv::OperandId:
case spv::OperandScope:
case spv::OperandMemorySemantics:
idBuffer[idBufferPos] = asId(word);
idBufferPos = (idBufferPos + 1) % idBufferSize;
idFn(asId(word++));
break;
@ -457,13 +595,28 @@ namespace spv {
// word += numOperands;
return nextInst;
case spv::OperandVariableLiteralId:
while (numOperands > 0) {
++word; // immediate
idFn(asId(word++)); // ID
numOperands -= 2;
case spv::OperandVariableLiteralId: {
if (opCode == OpSwitch) {
// word-2 is the position of the selector ID. OpSwitch Literals match its type.
// In case the IDs are currently being remapped, we get the word[-2] ID from
// the circular idBuffer.
const unsigned literalSizePos = (idBufferPos+idBufferSize-2) % idBufferSize;
const unsigned literalSize = idTypeSizeInWords(idBuffer[literalSizePos]);
const unsigned numLiteralIdPairs = (nextInst-word) / (1+literalSize);
if (errorLatch)
return -1;
for (unsigned arg=0; arg<numLiteralIdPairs; ++arg) {
word += literalSize; // literal
idFn(asId(word++)); // label
}
} else {
assert(0); // currentely, only OpSwitch uses OperandVariableLiteralId
}
return nextInst;
}
case spv::OperandLiteralString: {
const int stringWordCount = literalStringWords(literalString(word));
@ -500,9 +653,7 @@ namespace spv {
case spv::OperandSelect:
case spv::OperandLoop:
case spv::OperandFunction:
case spv::OperandMemorySemantics:
case spv::OperandMemoryAccess:
case spv::OperandScope:
case spv::OperandGroupOperation:
case spv::OperandKernelEnqueueFlags:
case spv::OperandKernelProfilingInfo:
@ -532,9 +683,13 @@ namespace spv {
// basic parsing and InstructionDesc table borrowed from SpvDisassemble.cpp...
unsigned nextInst = unsigned(spv.size());
for (unsigned word = begin; word < end; word = nextInst)
for (unsigned word = begin; word < end; word = nextInst) {
nextInst = processInstruction(word, instFn, idFn);
if (errorLatch)
return *this;
}
return *this;
}
@ -549,8 +704,11 @@ namespace spv {
for (const char c : name.first)
hashval = hashval * 1009 + c;
if (isOldIdUnmapped(name.second))
if (isOldIdUnmapped(name.second)) {
localId(name.second, nextUnusedId(hashval % softTypeIdLimit + firstMappedID));
if (errorLatch)
return;
}
}
}
@ -572,6 +730,9 @@ namespace spv {
[&](spv::Op, unsigned start) { instPos.push_back(start); return true; },
op_fn_nop);
if (errorLatch)
return;
// Window size for context-sensitive canonicalization values
// Empirical best size from a single data set. TODO: Would be a good tunable.
// We essentially perform a little convolution around each instruction,
@ -607,8 +768,12 @@ namespace spv {
hashval = hashval * 30103 + asOpCodeHash(instPos[i]); // 30103 = semiarbitrary prime
}
if (isOldIdUnmapped(resId))
if (isOldIdUnmapped(resId)) {
localId(resId, nextUnusedId(hashval % softTypeIdLimit + firstMappedID));
if (errorLatch)
return;
}
}
}
}
@ -701,6 +866,9 @@ namespace spv {
[&](spv::Id& id) { if (idMap.find(id) != idMap.end()) id = idMap[id]; }
);
if (errorLatch)
return;
// EXPERIMENTAL: Implicit output stores
fnLocalVars.clear();
idMap.clear();
@ -721,11 +889,17 @@ namespace spv {
},
op_fn_nop);
if (errorLatch)
return;
process(
inst_fn_nop,
[&](spv::Id& id) { if (idMap.find(id) != idMap.end()) id = idMap[id]; }
);
if (errorLatch)
return;
strip(); // strip out data we decided to eliminate
}
@ -817,7 +991,7 @@ namespace spv {
},
// If local var id used anywhere else, don't eliminate
[&](spv::Id& id) {
[&](spv::Id& id) {
if (fnLocalVars.count(id) > 0) {
fnLocalVars.erase(id);
idMap.erase(id);
@ -825,6 +999,9 @@ namespace spv {
}
);
if (errorLatch)
return;
process(
[&](spv::Op opCode, unsigned start) {
if (opCode == spv::OpLoad && fnLocalVars.count(asId(start+3)) > 0)
@ -833,6 +1010,9 @@ namespace spv {
},
op_fn_nop);
if (errorLatch)
return;
// Chase replacements to their origins, in case there is a chain such as:
// 2 = store 1
// 3 = load 2
@ -866,6 +1046,9 @@ namespace spv {
}
);
if (errorLatch)
return;
strip(); // strip out data we decided to eliminate
}
@ -891,7 +1074,6 @@ namespace spv {
if (call_it == fnCalls.end() || call_it->second == 0) {
changed = true;
stripRange.push_back(fn->second);
fnPosDCE.insert(*fn);
// decrease counts of called functions
process(
@ -910,6 +1092,9 @@ namespace spv {
fn->second.first,
fn->second.second);
if (errorLatch)
return;
fn = fnPos.erase(fn);
} else ++fn;
}
@ -942,14 +1127,21 @@ namespace spv {
[&](spv::Id& id) { if (varUseCount[id]) ++varUseCount[id]; }
);
if (errorLatch)
return;
// Remove single-use function variables + associated decorations and names
process(
[&](spv::Op opCode, unsigned start) {
if ((opCode == spv::OpVariable && varUseCount[asId(start+2)] == 1) ||
(opCode == spv::OpDecorate && varUseCount[asId(start+1)] == 1) ||
(opCode == spv::OpName && varUseCount[asId(start+1)] == 1)) {
stripInst(start);
}
spv::Id id = spv::NoResult;
if (opCode == spv::OpVariable)
id = asId(start+2);
if (opCode == spv::OpDecorate || opCode == spv::OpName)
id = asId(start+1);
if (id != spv::NoResult && varUseCount[id] == 1)
stripInst(start);
return true;
},
op_fn_nop);
@ -966,28 +1158,37 @@ namespace spv {
std::unordered_map<spv::Id, int> typeUseCount;
// Count total type usage
process(inst_fn_nop,
[&](spv::Id& id) { if (isType[id]) ++typeUseCount[id]; }
);
// This is not the most efficient algorithm, but this is an offline tool, and
// it's easy to write this way. Can be improved opportunistically if needed.
bool changed = true;
while (changed) {
changed = false;
strip();
typeUseCount.clear();
// Remove types from deleted code
for (const auto& fn : fnPosDCE)
// Count total type usage
process(inst_fn_nop,
[&](spv::Id& id) { if (isType[id]) --typeUseCount[id]; },
fn.second.first, fn.second.second);
[&](spv::Id& id) { if (isType[id]) ++typeUseCount[id]; }
);
// Remove single reference types
for (const auto typeStart : typeConstPos) {
const spv::Id typeId = asTypeConstId(typeStart);
if (typeUseCount[typeId] == 1) {
--typeUseCount[typeId];
stripInst(typeStart);
if (errorLatch)
return;
// Remove single reference types
for (const auto typeStart : typeConstPos) {
const spv::Id typeId = asTypeConstId(typeStart);
if (typeUseCount[typeId] == 1) {
changed = true;
--typeUseCount[typeId];
stripInst(typeStart);
}
}
if (errorLatch)
return;
}
}
#ifdef NOTDEF
bool spirvbin_t::matchType(const spirvbin_t::globaltypes_t& globalTypes, spv::Id lt, spv::Id gt) const
{
@ -1047,7 +1248,6 @@ namespace spv {
}
}
// Look for an equivalent type in the globalTypes map
spv::Id spirvbin_t::findType(const spirvbin_t::globaltypes_t& globalTypes, spv::Id lt) const
{
@ -1060,12 +1260,14 @@ namespace spv {
}
#endif // NOTDEF
// Return start position in SPV of given type. error if not found.
unsigned spirvbin_t::typePos(spv::Id id) const
// Return start position in SPV of given Id. error if not found.
unsigned spirvbin_t::idPos(spv::Id id) const
{
const auto tid_it = typeConstPosR.find(id);
if (tid_it == typeConstPosR.end())
error("type ID not found");
const auto tid_it = idPosR.find(id);
if (tid_it == idPosR.end()) {
error("ID not found");
return 0;
}
return tid_it->second;
}
@ -1083,11 +1285,11 @@ namespace spv {
case spv::OpTypeInt: return 3 + (spv[typeStart+3]);
case spv::OpTypeFloat: return 5;
case spv::OpTypeVector:
return 6 + hashType(typePos(spv[typeStart+2])) * (spv[typeStart+3] - 1);
return 6 + hashType(idPos(spv[typeStart+2])) * (spv[typeStart+3] - 1);
case spv::OpTypeMatrix:
return 30 + hashType(typePos(spv[typeStart+2])) * (spv[typeStart+3] - 1);
return 30 + hashType(idPos(spv[typeStart+2])) * (spv[typeStart+3] - 1);
case spv::OpTypeImage:
return 120 + hashType(typePos(spv[typeStart+2])) +
return 120 + hashType(idPos(spv[typeStart+2])) +
spv[typeStart+3] + // dimensionality
spv[typeStart+4] * 8 * 16 + // depth
spv[typeStart+5] * 4 * 16 + // arrayed
@ -1098,24 +1300,24 @@ namespace spv {
case spv::OpTypeSampledImage:
return 502;
case spv::OpTypeArray:
return 501 + hashType(typePos(spv[typeStart+2])) * spv[typeStart+3];
return 501 + hashType(idPos(spv[typeStart+2])) * spv[typeStart+3];
case spv::OpTypeRuntimeArray:
return 5000 + hashType(typePos(spv[typeStart+2]));
return 5000 + hashType(idPos(spv[typeStart+2]));
case spv::OpTypeStruct:
{
std::uint32_t hash = 10000;
for (unsigned w=2; w < wordCount; ++w)
hash += w * hashType(typePos(spv[typeStart+w]));
hash += w * hashType(idPos(spv[typeStart+w]));
return hash;
}
case spv::OpTypeOpaque: return 6000 + spv[typeStart+2];
case spv::OpTypePointer: return 100000 + hashType(typePos(spv[typeStart+3]));
case spv::OpTypePointer: return 100000 + hashType(idPos(spv[typeStart+3]));
case spv::OpTypeFunction:
{
std::uint32_t hash = 200000;
for (unsigned w=2; w < wordCount; ++w)
hash += w * hashType(typePos(spv[typeStart+w]));
hash += w * hashType(idPos(spv[typeStart+w]));
return hash;
}
@ -1132,14 +1334,14 @@ namespace spv {
case spv::OpConstantFalse: return 300008;
case spv::OpConstantComposite:
{
std::uint32_t hash = 300011 + hashType(typePos(spv[typeStart+1]));
std::uint32_t hash = 300011 + hashType(idPos(spv[typeStart+1]));
for (unsigned w=3; w < wordCount; ++w)
hash += w * hashType(typePos(spv[typeStart+w]));
hash += w * hashType(idPos(spv[typeStart+w]));
return hash;
}
case spv::OpConstant:
{
std::uint32_t hash = 400011 + hashType(typePos(spv[typeStart+1]));
std::uint32_t hash = 400011 + hashType(idPos(spv[typeStart+1]));
for (unsigned w=3; w < wordCount; ++w)
hash += w * spv[typeStart+w];
return hash;
@ -1164,12 +1366,17 @@ namespace spv {
const spv::Id resId = asTypeConstId(typeStart);
const std::uint32_t hashval = hashType(typeStart);
if (isOldIdUnmapped(resId))
if (errorLatch)
return;
if (isOldIdUnmapped(resId)) {
localId(resId, nextUnusedId(hashval % softTypeIdLimit + firstMappedID));
if (errorLatch)
return;
}
}
}
// Strip a single binary by removing ranges given in stripRange
void spirvbin_t::strip()
{
@ -1185,7 +1392,7 @@ namespace spv {
int strippedPos = 0;
for (unsigned word = 0; word < unsigned(spv.size()); ++word) {
if (strip_it != stripRange.end() && word >= strip_it->second)
while (strip_it != stripRange.end() && word >= strip_it->second)
++strip_it;
if (strip_it == stripRange.end() || word < strip_it->first || word >= strip_it->second)
@ -1206,25 +1413,56 @@ namespace spv {
// Set up opcode tables from SpvDoc
spv::Parameterize();
validate(); // validate header
buildLocalMaps();
validate(); // validate header
buildLocalMaps(); // build ID maps
msg(3, 4, std::string("ID bound: ") + std::to_string(bound()));
if (options & STRIP) stripDebug();
if (errorLatch) return;
strip(); // strip out data we decided to eliminate
if (errorLatch) return;
if (options & OPT_LOADSTORE) optLoadStore();
if (options & OPT_FWD_LS) forwardLoadStores();
if (options & DCE_FUNCS) dceFuncs();
if (options & DCE_VARS) dceVars();
if (options & DCE_TYPES) dceTypes();
if (options & MAP_TYPES) mapTypeConst();
if (options & MAP_NAMES) mapNames();
if (options & MAP_FUNCS) mapFnBodies();
if (errorLatch) return;
mapRemainder(); // map any unmapped IDs
applyMap(); // Now remap each shader to the new IDs we've come up with
strip(); // strip out data we decided to eliminate
if (options & OPT_FWD_LS) forwardLoadStores();
if (errorLatch) return;
if (options & DCE_FUNCS) dceFuncs();
if (errorLatch) return;
if (options & DCE_VARS) dceVars();
if (errorLatch) return;
if (options & DCE_TYPES) dceTypes();
if (errorLatch) return;
strip(); // strip out data we decided to eliminate
if (errorLatch) return;
stripDeadRefs(); // remove references to things we DCEed
if (errorLatch) return;
// after the last strip, we must clean any debug info referring to now-deleted data
if (options & MAP_TYPES) mapTypeConst();
if (errorLatch) return;
if (options & MAP_NAMES) mapNames();
if (errorLatch) return;
if (options & MAP_FUNCS) mapFnBodies();
if (errorLatch) return;
if (options & MAP_ALL) {
mapRemainder(); // map any unmapped IDs
if (errorLatch) return;
applyMap(); // Now remap each shader to the new IDs we've come up with
if (errorLatch) return;
}
}
// remap from a memory image