zdray/thirdparty/ShaderCompiler/glslang/MachineIndependent/SpirvIntrinsics.cpp
2021-10-31 18:19:26 +01:00

355 lines
12 KiB
C++

//
// Copyright(C) 2021 Advanced Micro Devices, Inc.
//
// All rights reserved.
//
// 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.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// 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.
//
#ifndef GLSLANG_WEB
//
// GL_EXT_spirv_intrinsics
//
#include "../Include/intermediate.h"
#include "../Include/SpirvIntrinsics.h"
#include "../Include/Types.h"
#include "ParseHelper.h"
namespace glslang {
//
// Handle SPIR-V requirements
//
TSpirvRequirement* TParseContext::makeSpirvRequirement(const TSourceLoc& loc, const TString& name,
const TIntermAggregate* extensions,
const TIntermAggregate* capabilities)
{
TSpirvRequirement* spirvReq = new TSpirvRequirement;
if (name == "extensions") {
assert(extensions);
for (auto extension : extensions->getSequence()) {
assert(extension->getAsConstantUnion());
spirvReq->extensions.insert(*extension->getAsConstantUnion()->getConstArray()[0].getSConst());
}
} else if (name == "capabilities") {
assert(capabilities);
for (auto capability : capabilities->getSequence()) {
assert(capability->getAsConstantUnion());
spirvReq->capabilities.insert(capability->getAsConstantUnion()->getConstArray()[0].getIConst());
}
} else
error(loc, "unknow SPIR-V requirement", name.c_str(), "");
return spirvReq;
}
TSpirvRequirement* TParseContext::mergeSpirvRequirements(const TSourceLoc& loc, TSpirvRequirement* spirvReq1,
TSpirvRequirement* spirvReq2)
{
// Merge the second SPIR-V requirement to the first one
if (!spirvReq2->extensions.empty()) {
if (spirvReq1->extensions.empty())
spirvReq1->extensions = spirvReq2->extensions;
else
error(loc, "too many SPIR-V requirements", "extensions", "");
}
if (!spirvReq2->capabilities.empty()) {
if (spirvReq1->capabilities.empty())
spirvReq1->capabilities = spirvReq2->capabilities;
else
error(loc, "too many SPIR-V requirements", "capabilities", "");
}
return spirvReq1;
}
void TIntermediate::insertSpirvRequirement(const TSpirvRequirement* spirvReq)
{
if (!spirvRequirement)
spirvRequirement = new TSpirvRequirement;
for (auto extension : spirvReq->extensions)
spirvRequirement->extensions.insert(extension);
for (auto capability : spirvReq->capabilities)
spirvRequirement->capabilities.insert(capability);
}
//
// Handle SPIR-V execution modes
//
void TIntermediate::insertSpirvExecutionMode(int executionMode, const TIntermAggregate* args)
{
if (!spirvExecutionMode)
spirvExecutionMode = new TSpirvExecutionMode;
TVector<const TIntermConstantUnion*> extraOperands;
if (args) {
for (auto arg : args->getSequence()) {
auto extraOperand = arg->getAsConstantUnion();
assert(extraOperand != nullptr);
extraOperands.push_back(extraOperand);
}
}
spirvExecutionMode->modes[executionMode] = extraOperands;
}
void TIntermediate::insertSpirvExecutionModeId(int executionMode, const TIntermAggregate* args)
{
if (!spirvExecutionMode)
spirvExecutionMode = new TSpirvExecutionMode;
assert(args);
TVector<const TIntermConstantUnion*> extraOperands;
for (auto arg : args->getSequence()) {
auto extraOperand = arg->getAsConstantUnion();
assert(extraOperand != nullptr);
extraOperands.push_back(extraOperand);
}
spirvExecutionMode->modeIds[executionMode] = extraOperands;
}
//
// Handle SPIR-V decorate qualifiers
//
void TQualifier::setSpirvDecorate(int decoration, const TIntermAggregate* args)
{
if (!spirvDecorate)
spirvDecorate = new TSpirvDecorate;
TVector<const TIntermConstantUnion*> extraOperands;
if (args) {
for (auto arg : args->getSequence()) {
auto extraOperand = arg->getAsConstantUnion();
assert(extraOperand != nullptr);
extraOperands.push_back(extraOperand);
}
}
spirvDecorate->decorates[decoration] = extraOperands;
}
void TQualifier::setSpirvDecorateId(int decoration, const TIntermAggregate* args)
{
if (!spirvDecorate)
spirvDecorate = new TSpirvDecorate;
assert(args);
TVector<const TIntermConstantUnion*> extraOperands;
for (auto arg : args->getSequence()) {
auto extraOperand = arg->getAsConstantUnion();
assert(extraOperand != nullptr);
extraOperands.push_back(extraOperand);
}
spirvDecorate->decorateIds[decoration] = extraOperands;
}
void TQualifier::setSpirvDecorateString(int decoration, const TIntermAggregate* args)
{
if (!spirvDecorate)
spirvDecorate = new TSpirvDecorate;
assert(args);
TVector<const TIntermConstantUnion*> extraOperands;
for (auto arg : args->getSequence()) {
auto extraOperand = arg->getAsConstantUnion();
assert(extraOperand != nullptr);
extraOperands.push_back(extraOperand);
}
spirvDecorate->decorateStrings[decoration] = extraOperands;
}
TString TQualifier::getSpirvDecorateQualifierString() const
{
assert(spirvDecorate);
TString qualifierString;
const auto appendFloat = [&](float f) { qualifierString.append(std::to_string(f).c_str()); };
const auto appendInt = [&](int i) { qualifierString.append(std::to_string(i).c_str()); };
const auto appendUint = [&](unsigned int u) { qualifierString.append(std::to_string(u).c_str()); };
const auto appendBool = [&](bool b) { qualifierString.append(std::to_string(b).c_str()); };
const auto appendStr = [&](const char* s) { qualifierString.append(s); };
const auto appendDecorate = [&](const TIntermConstantUnion* constant) {
if (constant->getBasicType() == EbtFloat) {
float value = static_cast<float>(constant->getConstArray()[0].getDConst());
appendFloat(value);
}
else if (constant->getBasicType() == EbtInt) {
int value = constant->getConstArray()[0].getIConst();
appendInt(value);
}
else if (constant->getBasicType() == EbtUint) {
unsigned value = constant->getConstArray()[0].getUConst();
appendUint(value);
}
else if (constant->getBasicType() == EbtBool) {
bool value = constant->getConstArray()[0].getBConst();
appendBool(value);
}
else if (constant->getBasicType() == EbtString) {
const TString* value = constant->getConstArray()[0].getSConst();
appendStr(value->c_str());
}
else
assert(0);
};
for (auto& decorate : spirvDecorate->decorates) {
appendStr("spirv_decorate(");
appendInt(decorate.first);
for (auto extraOperand : decorate.second) {
appendStr(", ");
appendDecorate(extraOperand);
}
appendStr(") ");
}
for (auto& decorateId : spirvDecorate->decorateIds) {
appendStr("spirv_decorate_id(");
appendInt(decorateId.first);
for (auto extraOperand : decorateId.second) {
appendStr(", ");
appendDecorate(extraOperand);
}
appendStr(") ");
}
for (auto& decorateString : spirvDecorate->decorateStrings) {
appendStr("spirv_decorate_string(");
appendInt(decorateString.first);
for (auto extraOperand : decorateString.second) {
appendStr(", ");
appendDecorate(extraOperand);
}
appendStr(") ");
}
return qualifierString;
}
//
// Handle SPIR-V type specifiers
//
void TPublicType::setSpirvType(const TSpirvInstruction& spirvInst, const TSpirvTypeParameters* typeParams)
{
if (!spirvType)
spirvType = new TSpirvType;
basicType = EbtSpirvType;
spirvType->spirvInst = spirvInst;
if (typeParams)
spirvType->typeParams = *typeParams;
}
TSpirvTypeParameters* TParseContext::makeSpirvTypeParameters(const TSourceLoc& loc, const TIntermConstantUnion* constant)
{
TSpirvTypeParameters* spirvTypeParams = new TSpirvTypeParameters;
if (constant->getBasicType() != EbtFloat &&
constant->getBasicType() != EbtInt &&
constant->getBasicType() != EbtUint &&
constant->getBasicType() != EbtBool &&
constant->getBasicType() != EbtString)
error(loc, "this type not allowed", constant->getType().getBasicString(), "");
else {
assert(constant);
spirvTypeParams->push_back(TSpirvTypeParameter(constant));
}
return spirvTypeParams;
}
TSpirvTypeParameters* TParseContext::makeSpirvTypeParameters(const TPublicType& type)
{
TSpirvTypeParameters* spirvTypeParams = new TSpirvTypeParameters;
spirvTypeParams->push_back(TSpirvTypeParameter(new TType(type)));
return spirvTypeParams;
}
TSpirvTypeParameters* TParseContext::mergeSpirvTypeParameters(TSpirvTypeParameters* spirvTypeParams1, TSpirvTypeParameters* spirvTypeParams2)
{
// Merge SPIR-V type parameters of the second one to the first one
for (const auto& spirvTypeParam : *spirvTypeParams2)
spirvTypeParams1->push_back(spirvTypeParam);
return spirvTypeParams1;
}
//
// Handle SPIR-V instruction qualifiers
//
TSpirvInstruction* TParseContext::makeSpirvInstruction(const TSourceLoc& loc, const TString& name, const TString& value)
{
TSpirvInstruction* spirvInst = new TSpirvInstruction;
if (name == "set")
spirvInst->set = value;
else
error(loc, "unknown SPIR-V instruction qualifier", name.c_str(), "");
return spirvInst;
}
TSpirvInstruction* TParseContext::makeSpirvInstruction(const TSourceLoc& loc, const TString& name, int value)
{
TSpirvInstruction* spirvInstuction = new TSpirvInstruction;
if (name == "id")
spirvInstuction->id = value;
else
error(loc, "unknown SPIR-V instruction qualifier", name.c_str(), "");
return spirvInstuction;
}
TSpirvInstruction* TParseContext::mergeSpirvInstruction(const TSourceLoc& loc, TSpirvInstruction* spirvInst1, TSpirvInstruction* spirvInst2)
{
// Merge qualifiers of the second SPIR-V instruction to those of the first one
if (!spirvInst2->set.empty()) {
if (spirvInst1->set.empty())
spirvInst1->set = spirvInst2->set;
else
error(loc, "too many SPIR-V instruction qualifiers", "spirv_instruction", "(set)");
}
if (spirvInst2->id != -1) {
if (spirvInst1->id == -1)
spirvInst1->id = spirvInst2->id;
else
error(loc, "too many SPIR-V instruction qualifiers", "spirv_instruction", "(id)");
}
return spirvInst1;
}
} // end namespace glslang
#endif // GLSLANG_WEB