/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*/
#include <iomanip>
#include <iostream>
#include <cmath>
#include <sstream>
#include "Generator.h"
#include "Specification.h"
#include "Utilities.h"
using namespace std;
// Converts float2 to FLOAT_32 and 2, etc.
static void convertToRsType(const string& name, string* dataType, char* vectorSize) {
string s = name;
int last = s.size() - 1;
char lastChar = s[last];
if (lastChar >= '1' && lastChar <= '4') {
s.erase(last);
*vectorSize = lastChar;
} else {
*vectorSize = '1';
}
dataType->clear();
for (int i = 0; i < NUM_TYPES; i++) {
if (s == TYPES[i].cType) {
*dataType = TYPES[i].rsDataType;
break;
}
}
}
// Returns true if any permutation of the function have tests to b
static bool needTestFiles(const Function& function, unsigned int versionOfTestFiles) {
for (auto spec : function.getSpecifications()) {
if (spec->hasTests(versionOfTestFiles)) {
return true;
}
}
return false;
}
/* One instance of this class is generated for each permutation of a function for which
* we are generating test code. This instance will generate both the script and the Java
* section of the test files for this permutation. The class is mostly used to keep track
* of the various names shared between script and Java files.
* WARNING: Because the constructor keeps a reference to the FunctionPermutation, PermutationWriter
* should not exceed the lifetime of FunctionPermutation.
*/
class PermutationWriter {
private:
FunctionPermutation& mPermutation;
string mRsKernelName;
string mJavaArgumentsClassName;
string mJavaArgumentsNClassName;
string mJavaVerifierComputeMethodName;
string mJavaVerifierVerifyMethodName;
string mJavaCheckMethodName;
string mJavaVerifyMethodName;
// Pointer to the files we are generating. Handy to avoid always passing them in the calls.
GeneratedFile* mRs;
GeneratedFile* mJava;
/* Shortcuts to the return parameter and the first input parameter of the function
* specification.
*/
const ParameterDefinition* mReturnParam; // Can be nullptr. NOT OWNED.
const ParameterDefinition* mFirstInputParam; // Can be nullptr. NOT OWNED.
/* All the parameters plus the return param, if present. Collecting them together
* simplifies code generation. NOT OWNED.
*/
vector<const ParameterDefinition*> mAllInputsAndOutputs;
/* We use a class to pass the arguments between the generated code and the CoreVerifier. This
* method generates this class. The set keeps track if we've generated this class already
* for this test file, as more than one permutation may use the same argument class.
*/
void writeJavaArgumentClass(bool scalar, set<string>* javaGeneratedArgumentClasses) const;
// Generate the Check* method that invokes the script and calls the verifier.
void writeJavaCheckMethod(bool generateCallToVerifier) const;
// Generate code to define and randomly initialize the input allocation.
void writeJavaInputAllocationDefinition(const ParameterDefinition& param) const;
/* Generate code that instantiate an allocation of floats or integers and fills it with
* random data. This random data must be compatible with the specified type. This is
* used for the convert_* tests, as converting values that don't fit yield undefined results.
*/
void writeJavaRandomCompatibleFloatAllocation(const string& dataType, const string& seed,
char vectorSize,
const NumericalType& compatibleType,
const NumericalType& generatedType) const;
void writeJavaRandomCompatibleIntegerAllocation(const string& dataType, const string& seed,
char vectorSize,
const NumericalType& compatibleType,
const NumericalType& generatedType) const;
// Generate code that defines an output allocation.
void writeJavaOutputAllocationDefinition(const ParameterDefinition& param) const;
/* Generate the code that verifies the results for RenderScript functions where each entry
* of a vector is evaluated independently. If verifierValidates is true, CoreMathVerifier
* does the actual validation instead of more commonly returning the range of acceptable values.
*/
void writeJavaVerifyScalarMethod(bool verifierValidates) const;
/* Generate the code that verify the results for a RenderScript function where a vector
* is a point in n-dimensional space.
*/
void writeJavaVerifyVectorMethod() const;
// Generate the line that creates the Target.
void writeJavaCreateTarget() const;
// Generate the method header of the verify function.
void writeJavaVerifyMethodHeader() const;
// Generate codes that copies the content of an allocation to an array.
void writeJavaArrayInitialization(const ParameterDefinition& p) const;
// Generate code that tests one value returned from the script.
void writeJavaTestAndSetValid(const ParameterDefinition& p, const string& argsIndex,
const string& actualIndex) const;
void writeJavaTestOneValue(const ParameterDefinition& p, const string& argsIndex,
const string& actualIndex) const;
// For test:vector cases, generate code that compares returned vector vs. expected value.
void writeJavaVectorComparison(const ParameterDefinition& p) const;
// Muliple functions that generates code to build the error message if an error is found.
void writeJavaAppendOutputToMessage(const ParameterDefinition& p, const string& argsIndex,
const string& actualIndex, bool verifierValidates) const;
void writeJavaAppendInputToMessage(const ParameterDefinition& p, const string& actual) const;
void writeJavaAppendNewLineToMessage() const;
void writeJavaAppendVectorInputToMessage(const ParameterDefinition& p) const;
void writeJavaAppendVectorOutputToMessage(const ParameterDefinition& p) const;
// Generate the set of instructions to call the script.
void writeJavaCallToRs(bool relaxed, bool generateCallToVerifier) const;
// Write an allocation definition if not already emitted in the .rs file.
void writeRsAllocationDefinition(const ParameterDefinition& param,
set<string>* rsAllocationsGenerated) const;
public:
/* NOTE: We keep pointers to the permutation and the files. This object should not
* outlive the arguments.
*/
PermutationWriter(FunctionPermutation& permutation, GeneratedFile* rsFile,
GeneratedFile* javaFile);
string getJavaCheckMethodName() const { return mJavaCheckMethodName; }
// Write the script test function for this permutation.
void writeRsSection(set<string>* rsAllocationsGenerated) const;
// Write the section of the Java code that calls the script and validates the results
void writeJavaSection(set<string>* javaGeneratedArgumentClasses) const;
};
PermutationWriter::PermutationWriter(FunctionPermutation& permutation, GeneratedFile* rsFile,
GeneratedFile* javaFile)
: mPermutation(permutation),
mRs(rsFile),
mJava(javaFile),
mReturnParam(nullptr),
mFirstInputParam(nullptr) {
mRsKernelName = "test" + capitalize(permutation.getName());
mJavaArgumentsClassName = "Arguments";
mJavaArgumentsNClassName = "Arguments";
const string trunk = capitalize(permutation.getNameTrunk());
mJavaCheckMethodName = "check" + trunk;
mJavaVerifyMethodName = "verifyResults" + trunk;
for (auto p : permutation.getParams()) {
mAllInputsAndOutputs.push_back(p);
if (mFirstInputParam == nullptr && !p->isOutParameter) {
mFirstInputParam = p;
}
}
mReturnParam = permutation.getReturn();
if (mReturnParam) {
mAllInputsAndOutputs.push_back(mReturnParam);
}
for (auto p : mAllInputsAndOutputs) {
const string capitalizedRsType = capitalize(p->rsType);
const string capitalizedBaseType = capitalize(p->rsBaseType);
mRsKernelName += capitalizedRsType;
mJavaArgumentsClassName += capitalizedBaseType;
mJavaArgumentsNClassName += capitalizedBaseType;
if (p->mVectorSize != "1") {
mJavaArgumentsNClassName += "N";
}
mJavaCheckMethodName += capitalizedRsType;
mJavaVerifyMethodName += capitalizedRsType;
}
mJavaVerifierComputeMethodName = "compute" + trunk;
mJavaVerifierVerifyMethodName = "verify" + trunk;
}
void PermutationWriter::writeJavaSection(set<string>* javaGeneratedArgumentClasses) const {
// By default, we test the results using item by item comparison.
const string test = mPermutation.getTest();
if (test == "scalar" || test == "limited") {
writeJavaArgumentClass(true, javaGeneratedArgumentClasses);
writeJavaCheckMethod(true);
writeJavaVerifyScalarMethod(false);
} else if (test == "custom") {
writeJavaArgumentClass(true, javaGeneratedArgumentClasses);
writeJavaCheckMethod(true);
writeJavaVerifyScalarMethod(true);
} else if (test == "vector") {
writeJavaArgumentClass(false, javaGeneratedArgumentClasses);
writeJavaCheckMethod(true);
writeJavaVerifyVectorMethod();
} else if (test == "noverify") {
writeJavaCheckMethod(false);
}
}
void PermutationWriter::writeJavaArgumentClass(bool scalar,
set<string>* javaGeneratedArgumentClasses) const {
string name;
if (scalar) {
name = mJavaArgumentsClassName;
} else {
name = mJavaArgumentsNClassName;
}
// Make sure we have not generated the argument class already.
if (!testAndSet(name, javaGeneratedArgumentClasses)) {
mJava->indent() << "public class " << name;
mJava->startBlock();
for (auto p : mAllInputsAndOutputs) {
bool isFieldArray = !scalar && p->mVectorSize != "1";
bool isFloatyField = p->isOutParameter && p->isFloatType && mPermutation.getTest() != "custom";
mJava->indent() << "public ";
if (isFloatyField) {
*mJava << "Target.Floaty";
} else {
*mJava << p->javaBaseType;
}
if (isFieldArray) {
*mJava << "[]";
}
*mJava << " " << p->variableName << ";\n";
// For Float16 parameters, add an extra 'double' field in the class
// to hold the Double value converted from the input.
if (p->isFloat16Parameter() && !isFloatyField) {
mJava->indent() << "public double";
if (isFieldArray) {
*mJava << "[]";
}
*mJava << " " + p->variableName << "Double;\n";
}
}
mJava->endBlock();
*mJava << "\n";
}
}
void PermutationWriter::writeJavaCheckMethod(bool generateCallToVerifier) const {
mJava->indent() << "private void " << mJavaCheckMethodName << "()";
mJava->startBlock();
// Generate the input allocations and initialization.
for (auto p : mAllInputsAndOutputs) {
if (!p->isOutParameter) {
writeJavaInputAllocationDefinition(*p);
}
}
// Generate code to enforce ordering between two allocations if needed.
for (auto p : mAllInputsAndOutputs) {
if (!p->isOutParameter && !p->smallerParameter.empty()) {
string smallerAlloc = "in" + capitalize(p->smallerParameter);
mJava->indent() << "enforceOrdering(" << smallerAlloc << ", " << p->javaAllocName
<< ");\n";
}
}
// Generate code to check the full and relaxed scripts.
writeJavaCallToRs(false, generateCallToVerifier);
writeJavaCallToRs(true, generateCallToVerifier);
// Generate code to destroy input Allocations.
for (auto p : mAllInputsAndOutputs) {
if (!p->isOutParameter) {
mJava->indent() << p->javaAllocName << ".destroy();\n";
}
}
mJava->endBlock();
*mJava << "\n";
}
void PermutationWriter::writeJavaInputAllocationDefinition(const ParameterDefinition& param) const {
string dataType;
char vectorSize;
convertToRsType(param.rsType, &dataType, &vectorSize);
const string seed = hashString(mJavaCheckMethodName + param.javaAllocName);
mJava->indent() << "Allocation " << param.javaAllocName << " = ";
if (param.compatibleTypeIndex >= 0) {
if (TYPES[param.typeIndex].kind == FLOATING_POINT) {
writeJavaRandomCompatibleFloatAllocation(dataType, seed, vectorSize,
TYPES[param.compatibleTypeIndex],
TYPES[param.typeIndex]);
} else {
writeJavaRandomCompatibleIntegerAllocation(dataType, seed, vectorSize,
TYPES[param.compatibleTypeIndex],
TYPES[param.typeIndex]);
}
} else if (!param.minValue.empty()) {
*mJava << "createRandomFloatAllocation(mRS, Element.DataType." << dataType << ", "
<< vectorSize << ", " << seed << ", " << param.minValue << ", " << param.maxValue
<< ")";
} else {
/* TODO Instead of passing always false, check whether we are doing a limited test.
* Use instead: (mPermutation.getTest() == "limited" ? "false" : "true")
*/
*mJava << "createRandomAllocation(mRS, Element.DataType." << dataType << ", " << vectorSize
<< ", " << seed << ", false)";
}
*mJava << ";\n";
}
void PermutationWriter::writeJavaRandomCompatibleFloatAllocation(
const string& dataType, const string& seed, char vectorSize,
const NumericalType& compatibleType, const NumericalType& generatedType) const {
*mJava << "createRandomFloatAllocation"
<< "(mRS, Element.DataType." << dataType << ", " << vectorSize << ", " << seed << ", ";
double minValue = 0.0;
double maxValue = 0.0;
switch (compatibleType.kind) {
case FLOATING_POINT: {
// We're generating floating point values. We just worry about the exponent.
// Subtract 1 for the exponent sign.
int bits = min(compatibleType.exponentBits, generatedType.exponentBits) - 1;
maxValue = ldexp(0.95, (1 << bits) - 1);
minValue = -maxValue;
break;
}
case UNSIGNED_INTEGER:
maxValue = maxDoubleForInteger(compatibleType.significantBits,
generatedType.significantBits);
minValue = 0.0;
break;
case SIGNED_INTEGER:
maxValue = maxDoubleForInteger(compatibleType.significantBits,
generatedType.significantBits);
minValue = -maxValue - 1.0;
break;
}
*mJava << scientific << std::setprecision(19);
*mJava << minValue << ", " << maxValue << ")";
mJava->unsetf(ios_base::floatfield);
}
void PermutationWriter::writeJavaRandomCompatibleIntegerAllocation(
const string& dataType, const string& seed, char vectorSize,
const NumericalType& compatibleType, const NumericalType& generatedType) const {
*mJava << "createRandomIntegerAllocation"
<< "(mRS, Element.DataType." << dataType << ", " << vectorSize << ", " << seed << ", ";
if (compatibleType.kind == FLOATING_POINT) {
// Currently, all floating points can take any number we generate.
bool isSigned = generatedType.kind == SIGNED_INTEGER;
*mJava << (isSigned ? "true" : "false") << ", " << generatedType.significantBits;
} else {
bool isSigned =
compatibleType.kind == SIGNED_INTEGER && generatedType.kind == SIGNED_INTEGER;
*mJava << (isSigned ? "true" : "false") << ", "
<< min(compatibleType.significantBits, generatedType.significantBits);
}
*mJava << ")";
}
void PermutationWriter::writeJavaOutputAllocationDefinition(
const ParameterDefinition& param) const {
string dataType;
char vectorSize;
convertToRsType(param.rsType, &dataType, &vectorSize);
mJava->indent() << "Allocation " << param.javaAllocName << " = Allocation.createSized(mRS, "
<< "getElement(mRS, Element.DataType." << dataType << ", " << vectorSize
<< "), INPUTSIZE);\n";
}
void PermutationWriter::writeJavaVerifyScalarMethod(bool verifierValidates) const {
writeJavaVerifyMethodHeader();
mJava->startBlock();
string vectorSize = "1";
for (auto p : mAllInputsAndOutputs) {
writeJavaArrayInitialization(*p);
if (p->mVectorSize != "1" && p->mVectorSize != vectorSize) {
if (vectorSize == "1") {
vectorSize = p->mVectorSize;
} else {
cerr << "Error. Had vector " << vectorSize << " and " << p->mVectorSize << "\n";
}
}
}
mJava->indent() << "StringBuilder message = new StringBuilder();\n";
mJava->indent() << "boolean errorFound = false;\n";
mJava->indent() << "for (int i = 0; i < INPUTSIZE; i++)";
mJava->startBlock();
mJava->indent() << "for (int j = 0; j < " << vectorSize << " ; j++)";
mJava->startBlock();
mJava->indent() << "// Extract the inputs.\n";
mJava->indent() << mJavaArgumentsClassName << " args = new " << mJavaArgumentsClassName
<< "();\n";
for (auto p : mAllInputsAndOutputs) {
if (!p->isOutParameter) {
mJava->indent() << "args." << p->variableName << " = " << p->javaArrayName << "[i";
if (p->vectorWidth != "1") {
*mJava << " * " << p->vectorWidth << " + j";
}
*mJava << "];\n";
// Convert the Float16 parameter to double and store it in the appropriate field in the
// Arguments class.
if (p->isFloat16Parameter()) {
mJava->indent() << "args." << p->doubleVariableName
<< " = Float16Utils.convertFloat16ToDouble(args."
<< p->variableName << ");\n";
}
}
}
const bool hasFloat = mPermutation.hasFloatAnswers();
if (verifierValidates) {
mJava->indent() << "// Extract the outputs.\n";
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
mJava->indent() << "args." << p->variableName << " = " << p->javaArrayName
<< "[i * " << p->vectorWidth << " + j];\n";
if (p->isFloat16Parameter()) {
mJava->indent() << "args." << p->doubleVariableName
<< " = Float16Utils.convertFloat16ToDouble(args."
<< p->variableName << ");\n";
}
}
}
mJava->indent() << "// Ask the CoreMathVerifier to validate.\n";
if (hasFloat) {
writeJavaCreateTarget();
}
mJava->indent() << "String errorMessage = CoreMathVerifier."
<< mJavaVerifierVerifyMethodName << "(args";
if (hasFloat) {
*mJava << ", target";
}
*mJava << ");\n";
mJava->indent() << "boolean valid = errorMessage == null;\n";
} else {
mJava->indent() << "// Figure out what the outputs should have been.\n";
if (hasFloat) {
writeJavaCreateTarget();
}
mJava->indent() << "CoreMathVerifier." << mJavaVerifierComputeMethodName << "(args";
if (hasFloat) {
*mJava << ", target";
}
*mJava << ");\n";
mJava->indent() << "// Validate the outputs.\n";
mJava->indent() << "boolean valid = true;\n";
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
writeJavaTestAndSetValid(*p, "", "[i * " + p->vectorWidth + " + j]");
}
}
}
mJava->indent() << "if (!valid)";
mJava->startBlock();
mJava->indent() << "if (!errorFound)";
mJava->startBlock();
mJava->indent() << "errorFound = true;\n";
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
writeJavaAppendOutputToMessage(*p, "", "[i * " + p->vectorWidth + " + j]",
verifierValidates);
} else {
writeJavaAppendInputToMessage(*p, "args." + p->variableName);
}
}
if (verifierValidates) {
mJava->indent() << "message.append(errorMessage);\n";
}
mJava->indent() << "message.append(\"Errors at\");\n";
mJava->endBlock();
mJava->indent() << "message.append(\" [\");\n";
mJava->indent() << "message.append(Integer.toString(i));\n";
mJava->indent() << "message.append(\", \");\n";
mJava->indent() << "message.append(Integer.toString(j));\n";
mJava->indent() << "message.append(\"]\");\n";
mJava->endBlock();
mJava->endBlock();
mJava->endBlock();
mJava->indent() << "assertFalse(\"Incorrect output for " << mJavaCheckMethodName << "\" +\n";
mJava->indentPlus()
<< "(relaxed ? \"_relaxed\" : \"\") + \":\\n\" + message.toString(), errorFound);\n";
mJava->endBlock();
*mJava << "\n";
}
void PermutationWriter::writeJavaVerifyVectorMethod() const {
writeJavaVerifyMethodHeader();
mJava->startBlock();
for (auto p : mAllInputsAndOutputs) {
writeJavaArrayInitialization(*p);
}
mJava->indent() << "StringBuilder message = new StringBuilder();\n";
mJava->indent() << "boolean errorFound = false;\n";
mJava->indent() << "for (int i = 0; i < INPUTSIZE; i++)";
mJava->startBlock();
mJava->indent() << mJavaArgumentsNClassName << " args = new " << mJavaArgumentsNClassName
<< "();\n";
mJava->indent() << "// Create the appropriate sized arrays in args\n";
for (auto p : mAllInputsAndOutputs) {
if (p->mVectorSize != "1") {
string type = p->javaBaseType;
if (p->isOutParameter && p->isFloatType) {
type = "Target.Floaty";
}
mJava->indent() << "args." << p->variableName << " = new " << type << "["
<< p->mVectorSize << "];\n";
if (p->isFloat16Parameter() && !p->isOutParameter) {
mJava->indent() << "args." << p->variableName << "Double = new double["
<< p->mVectorSize << "];\n";
}
}
}
mJava->indent() << "// Fill args with the input values\n";
for (auto p : mAllInputsAndOutputs) {
if (!p->isOutParameter) {
if (p->mVectorSize == "1") {
mJava->indent() << "args." << p->variableName << " = " << p->javaArrayName << "[i]"
<< ";\n";
// Convert the Float16 parameter to double and store it in the appropriate field in
// the Arguments class.
if (p->isFloat16Parameter()) {
mJava->indent() << "args." << p->doubleVariableName << " = "
<< "Float16Utils.convertFloat16ToDouble(args."
<< p->variableName << ");\n";
}
} else {
mJava->indent() << "for (int j = 0; j < " << p->mVectorSize << " ; j++)";
mJava->startBlock();
mJava->indent() << "args." << p->variableName << "[j] = "
<< p->javaArrayName << "[i * " << p->vectorWidth << " + j]"
<< ";\n";
// Convert the Float16 parameter to double and store it in the appropriate field in
// the Arguments class.
if (p->isFloat16Parameter()) {
mJava->indent() << "args." << p->doubleVariableName << "[j] = "
<< "Float16Utils.convertFloat16ToDouble(args."
<< p->variableName << "[j]);\n";
}
mJava->endBlock();
}
}
}
writeJavaCreateTarget();
mJava->indent() << "CoreMathVerifier." << mJavaVerifierComputeMethodName
<< "(args, target);\n\n";
mJava->indent() << "// Compare the expected outputs to the actual values returned by RS.\n";
mJava->indent() << "boolean valid = true;\n";
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
writeJavaVectorComparison(*p);
}
}
mJava->indent() << "if (!valid)";
mJava->startBlock();
mJava->indent() << "if (!errorFound)";
mJava->startBlock();
mJava->indent() << "errorFound = true;\n";
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
writeJavaAppendVectorOutputToMessage(*p);
} else {
writeJavaAppendVectorInputToMessage(*p);
}
}
mJava->indent() << "message.append(\"Errors at\");\n";
mJava->endBlock();
mJava->indent() << "message.append(\" [\");\n";
mJava->indent() << "message.append(Integer.toString(i));\n";
mJava->indent() << "message.append(\"]\");\n";
mJava->endBlock();
mJava->endBlock();
mJava->indent() << "assertFalse(\"Incorrect output for " << mJavaCheckMethodName << "\" +\n";
mJava->indentPlus()
<< "(relaxed ? \"_relaxed\" : \"\") + \":\\n\" + message.toString(), errorFound);\n";
mJava->endBlock();
*mJava << "\n";
}
void PermutationWriter::writeJavaCreateTarget() const {
string name = mPermutation.getName();
const char* functionType = "NORMAL";
size_t end = name.find('_');
if (end != string::npos) {
if (name.compare(0, end, "native") == 0) {
functionType = "NATIVE";
} else if (name.compare(0, end, "half") == 0) {
functionType = "HALF";
} else if (name.compare(0, end, "fast") == 0) {
functionType = "FAST";
}
}
string floatType = mReturnParam->specType;
const char* precisionStr = "";
if (floatType.compare("f16") == 0) {
precisionStr = "HALF";
} else if (floatType.compare("f32") == 0) {
precisionStr = "FLOAT";
} else if (floatType.compare("f64") == 0) {
precisionStr = "DOUBLE";
} else {
cerr << "Error. Unreachable. Return type is not floating point\n";
}
mJava->indent() << "Target target = new Target(Target.FunctionType." <<
functionType << ", Target.ReturnType." << precisionStr <<
", relaxed);\n";
}
void PermutationWriter::writeJavaVerifyMethodHeader() const {
mJava->indent() << "private void " << mJavaVerifyMethodName << "(";
for (auto p : mAllInputsAndOutputs) {
*mJava << "Allocation " << p->javaAllocName << ", ";
}
*mJava << "boolean relaxed)";
}
void PermutationWriter::writeJavaArrayInitialization(const ParameterDefinition& p) const {
mJava->indent() << p.javaBaseType << "[] " << p.javaArrayName << " = new " << p.javaBaseType
<< "[INPUTSIZE * " << p.vectorWidth << "];\n";
/* For basic types, populate the array with values, to help understand failures. We have had
* bugs where the output buffer was all 0. We were not sure if there was a failed copy or
* the GPU driver was copying zeroes.
*/
if (p.typeIndex >= 0) {
mJava->indent() << "Arrays.fill(" << p.javaArrayName << ", (" << TYPES[p.typeIndex].javaType
<< ") 42);\n";
}
mJava->indent() << p.javaAllocName << ".copyTo(" << p.javaArrayName << ");\n";
}
void PermutationWriter::writeJavaTestAndSetValid(const ParameterDefinition& p,
const string& argsIndex,
const string& actualIndex) const {
writeJavaTestOneValue(p, argsIndex, actualIndex);
mJava->startBlock();
mJava->indent() << "valid = false;\n";
mJava->endBlock();
}
void PermutationWriter::writeJavaTestOneValue(const ParameterDefinition& p, const string& argsIndex,
const string& actualIndex) const {
string actualOut;
if (p.isFloat16Parameter()) {
// For Float16 values, the output needs to be converted to Double.
actualOut = "Float16Utils.convertFloat16ToDouble(" + p.javaArrayName + actualIndex + ")";
} else {
actualOut = p.javaArrayName + actualIndex;
}
mJava->indent() << "if (";
if (p.isFloatType) {
*mJava << "!args." << p.variableName << argsIndex << ".couldBe(" << actualOut;
const string s = mPermutation.getPrecisionLimit();
if (!s.empty()) {
*mJava << ", " << s;
}
*mJava << ")";
} else {
*mJava << "args." << p.variableName << argsIndex << " != " << p.javaArrayName
<< actualIndex;
}
if (p.undefinedIfOutIsNan && mReturnParam) {
*mJava << " && !args." << mReturnParam->variableName << argsIndex << ".isNaN()";
}
*mJava << ")";
}
void PermutationWriter::writeJavaVectorComparison(const ParameterDefinition& p) const {
if (p.mVectorSize == "1") {
writeJavaTestAndSetValid(p, "", "[i]");
} else {
mJava->indent() << "for (int j = 0; j < " << p.mVectorSize << " ; j++)";
mJava->startBlock();
writeJavaTestAndSetValid(p, "[j]", "[i * " + p.vectorWidth + " + j]");
mJava->endBlock();
}
}
void PermutationWriter::writeJavaAppendOutputToMessage(const ParameterDefinition& p,
const string& argsIndex,
const string& actualIndex,
bool verifierValidates) const {
if (verifierValidates) {
mJava->indent() << "message.append(\"Output " << p.variableName << ": \");\n";
mJava->indent() << "appendVariableToMessage(message, args." << p.variableName << argsIndex
<< ");\n";
writeJavaAppendNewLineToMessage();
if (p.isFloat16Parameter()) {
writeJavaAppendNewLineToMessage();
mJava->indent() << "message.append(\"Output " << p.variableName
<< " (in double): \");\n";
mJava->indent() << "appendVariableToMessage(message, args." << p.doubleVariableName
<< ");\n";
writeJavaAppendNewLineToMessage();
}
} else {
mJava->indent() << "message.append(\"Expected output " << p.variableName << ": \");\n";
mJava->indent() << "appendVariableToMessage(message, args." << p.variableName << argsIndex
<< ");\n";
writeJavaAppendNewLineToMessage();
mJava->indent() << "message.append(\"Actual output " << p.variableName << ": \");\n";
mJava->indent() << "appendVariableToMessage(message, " << p.javaArrayName << actualIndex
<< ");\n";
if (p.isFloat16Parameter()) {
writeJavaAppendNewLineToMessage();
mJava->indent() << "message.append(\"Actual output " << p.variableName
<< " (in double): \");\n";
mJava->indent() << "appendVariableToMessage(message, Float16Utils.convertFloat16ToDouble("
<< p.javaArrayName << actualIndex << "));\n";
}
writeJavaTestOneValue(p, argsIndex, actualIndex);
mJava->startBlock();
mJava->indent() << "message.append(\" FAIL\");\n";
mJava->endBlock();
writeJavaAppendNewLineToMessage();
}
}
void PermutationWriter::writeJavaAppendInputToMessage(const ParameterDefinition& p,
const string& actual) const {
mJava->indent() << "message.append(\"Input " << p.variableName << ": \");\n";
mJava->indent() << "appendVariableToMessage(message, " << actual << ");\n";
writeJavaAppendNewLineToMessage();
}
void PermutationWriter::writeJavaAppendNewLineToMessage() const {
mJava->indent() << "message.append(\"\\n\");\n";
}
void PermutationWriter::writeJavaAppendVectorInputToMessage(const ParameterDefinition& p) const {
if (p.mVectorSize == "1") {
writeJavaAppendInputToMessage(p, p.javaArrayName + "[i]");
} else {
mJava->indent() << "for (int j = 0; j < " << p.mVectorSize << " ; j++)";
mJava->startBlock();
writeJavaAppendInputToMessage(p, p.javaArrayName + "[i * " + p.vectorWidth + " + j]");
mJava->endBlock();
}
}
void PermutationWriter::writeJavaAppendVectorOutputToMessage(const ParameterDefinition& p) const {
if (p.mVectorSize == "1") {
writeJavaAppendOutputToMessage(p, "", "[i]", false);
} else {
mJava->indent() << "for (int j = 0; j < " << p.mVectorSize << " ; j++)";
mJava->startBlock();
writeJavaAppendOutputToMessage(p, "[j]", "[i * " + p.vectorWidth + " + j]", false);
mJava->endBlock();
}
}
void PermutationWriter::writeJavaCallToRs(bool relaxed, bool generateCallToVerifier) const {
string script = "script";
if (relaxed) {
script += "Relaxed";
}
mJava->indent() << "try";
mJava->startBlock();
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
writeJavaOutputAllocationDefinition(*p);
}
}
for (auto p : mPermutation.getParams()) {
if (p != mFirstInputParam) {
mJava->indent() << script << ".set_" << p->rsAllocName << "(" << p->javaAllocName
<< ");\n";
}
}
mJava->indent() << script << ".forEach_" << mRsKernelName << "(";
bool needComma = false;
if (mFirstInputParam) {
*mJava << mFirstInputParam->javaAllocName;
needComma = true;
}
if (mReturnParam) {
if (needComma) {
*mJava << ", ";
}
*mJava << mReturnParam->variableName << ");\n";
}
if (generateCallToVerifier) {
mJava->indent() << mJavaVerifyMethodName << "(";
for (auto p : mAllInputsAndOutputs) {
*mJava << p->variableName << ", ";
}
if (relaxed) {
*mJava << "true";
} else {
*mJava << "false";
}
*mJava << ");\n";
}
// Generate code to destroy output Allocations.
for (auto p : mAllInputsAndOutputs) {
if (p->isOutParameter) {
mJava->indent() << p->javaAllocName << ".destroy();\n";
}
}
mJava->decreaseIndent();
mJava->indent() << "} catch (Exception e) {\n";
mJava->increaseIndent();
mJava->indent() << "throw new RSRuntimeException(\"RenderScript. Can't invoke forEach_"
<< mRsKernelName << ": \" + e.toString());\n";
mJava->endBlock();
}
/* Write the section of the .rs file for this permutation.
*
* We communicate the extra input and output parameters via global allocations.
* For example, if we have a function that takes three arguments, two for input
* and one for output:
*
* start:
* name: gamn
* ret: float3
* arg: float3 a
* arg: int b
* arg: float3 *c
* end:
*
* We'll produce:
*
* rs_allocation gAllocInB;
* rs_allocation gAllocOutC;
*
* float3 __attribute__((kernel)) test_gamn_float3_int_float3(float3 inA, unsigned int x) {
* int inB;
* float3 outC;
* float2 out;
* inB = rsGetElementAt_int(gAllocInB, x);
* out = gamn(a, in_b, &outC);
* rsSetElementAt_float4(gAllocOutC, &outC, x);
* return out;
* }
*
* We avoid re-using x and y from the definition because these have reserved
* meanings in a .rs file.
*/
void PermutationWriter::writeRsSection(set<string>* rsAllocationsGenerated) const {
// Write the allocation declarations we'll need.
for (auto p : mPermutation.getParams()) {
// Don't need allocation for one input and one return value.
if (p != mFirstInputParam) {
writeRsAllocationDefinition(*p, rsAllocationsGenerated);
}
}
*mRs << "\n";
// Write the function header.
if (mReturnParam) {
*mRs << mReturnParam->rsType;
} else {
*mRs << "void";
}
*mRs << " __attribute__((kernel)) " << mRsKernelName;
*mRs << "(";
bool needComma = false;
if (mFirstInputParam) {
*mRs << mFirstInputParam->rsType << " " << mFirstInputParam->variableName;
needComma = true;
}
if (mPermutation.getOutputCount() > 1 || mPermutation.getInputCount() > 1) {
if (needComma) {
*mRs << ", ";
}
*mRs << "unsigned int x";
}
*mRs << ")";
mRs->startBlock();
// Write the local variable declarations and initializations.
for (auto p : mPermutation.getParams()) {
if (p == mFirstInputParam) {
continue;
}
mRs->indent() << p->rsType << " " << p->variableName;
if (p->isOutParameter) {
*mRs << " = 0;\n";
} else {
*mRs << " = rsGetElementAt_" << p->rsType << "(" << p->rsAllocName << ", x);\n";
}
}
// Write the function call.
if (mReturnParam) {
if (mPermutation.getOutputCount() > 1) {
mRs->indent() << mReturnParam->rsType << " " << mReturnParam->variableName << " = ";
} else {
mRs->indent() << "return ";
}
}
*mRs << mPermutation.getName() << "(";
needComma = false;
for (auto p : mPermutation.getParams()) {
if (needComma) {
*mRs << ", ";
}
if (p->isOutParameter) {
*mRs << "&";
}
*mRs << p->variableName;
needComma = true;
}
*mRs << ");\n";
if (mPermutation.getOutputCount() > 1) {
// Write setting the extra out parameters into the allocations.
for (auto p : mPermutation.getParams()) {
if (p->isOutParameter) {
mRs->indent() << "rsSetElementAt_" << p->rsType << "(" << p->rsAllocName << ", ";
// Check if we need to use '&' for this type of argument.
char lastChar = p->variableName.back();
if (lastChar >= '0' && lastChar <= '9') {
*mRs << "&";
}
*mRs << p->variableName << ", x);\n";
}
}
if (mReturnParam) {
mRs->indent() << "return " << mReturnParam->variableName << ";\n";
}
}
mRs->endBlock();
}
void PermutationWriter::writeRsAllocationDefinition(const ParameterDefinition& param,
set<string>* rsAllocationsGenerated) const {
if (!testAndSet(param.rsAllocName, rsAllocationsGenerated)) {
*mRs << "rs_allocation " << param.rsAllocName << ";\n";
}
}
// Open the mJavaFile and writes the header.
static bool startJavaFile(GeneratedFile* file, const Function& function, const string& directory,
const string& testName, const string& relaxedTestName) {
const string fileName = testName + ".java";
if (!file->start(directory, fileName)) {
return false;
}
file->writeNotices();
*file << "package android.renderscript.cts;\n\n";
*file << "import android.renderscript.Allocation;\n";
*file << "import android.renderscript.RSRuntimeException;\n";
*file << "import android.renderscript.Element;\n";
*file << "import android.renderscript.cts.Target;\n\n";
*file << "import java.util.Arrays;\n\n";
*file << "public class " << testName << " extends RSBaseCompute";
file->startBlock(); // The corresponding endBlock() is in finishJavaFile()
*file << "\n";
file->indent() << "private ScriptC_" << testName << " script;\n";
file->indent() << "private ScriptC_" << relaxedTestName << " scriptRelaxed;\n\n";
file->indent() << "@Override\n";
file->indent() << "protected void setUp() throws Exception";
file->startBlock();
file->indent() << "super.setUp();\n";
file->indent() << "script = new ScriptC_" << testName << "(mRS);\n";
file->indent() << "scriptRelaxed = new ScriptC_" << relaxedTestName << "(mRS);\n";
file->endBlock();
*file << "\n";
file->indent() << "@Override\n";
file->indent() << "protected void tearDown() throws Exception";
file->startBlock();
file->indent() << "script.destroy();\n";
file->indent() << "scriptRelaxed.destroy();\n";
file->indent() << "super.tearDown();\n";
file->endBlock();
*file << "\n";
return true;
}
// Write the test method that calls all the generated Check methods.
static void finishJavaFile(GeneratedFile* file, const Function& function,
const vector<string>& javaCheckMethods) {
file->indent() << "public void test" << function.getCapitalizedName() << "()";
file->startBlock();
for (auto m : javaCheckMethods) {
file->indent() << m << "();\n";
}
file->endBlock();
file->endBlock();
}
// Open the script file and write its header.
static bool startRsFile(GeneratedFile* file, const Function& function, const string& directory,
const string& testName) {
string fileName = testName + ".rs";
if (!file->start(directory, fileName)) {
return false;
}
file->writeNotices();
*file << "#pragma version(1)\n";
*file << "#pragma rs java_package_name(android.renderscript.cts)\n\n";
return true;
}
// Write the entire *Relaxed.rs test file, as it only depends on the name.
static bool writeRelaxedRsFile(const Function& function, const string& directory,
const string& testName, const string& relaxedTestName) {
string name = relaxedTestName + ".rs";
GeneratedFile file;
if (!file.start(directory, name)) {
return false;
}
file.writeNotices();
file << "#include \"" << testName << ".rs\"\n";
file << "#pragma rs_fp_relaxed\n";
file.close();
return true;
}
/* Write the .java and the two .rs test files. versionOfTestFiles is used to restrict which API
* to test.
*/
static bool writeTestFilesForFunction(const Function& function, const string& directory,
unsigned int versionOfTestFiles) {
// Avoid creating empty files if we're not testing this function.
if (!needTestFiles(function, versionOfTestFiles)) {
return true;
}
const string testName = "Test" + function.getCapitalizedName();
const string relaxedTestName = testName + "Relaxed";
if (!writeRelaxedRsFile(function, directory, testName, relaxedTestName)) {
return false;
}
GeneratedFile rsFile; // The Renderscript test file we're generating.
GeneratedFile javaFile; // The Jave test file we're generating.
if (!startRsFile(&rsFile, function, directory, testName)) {
return false;
}
if (!startJavaFile(&javaFile, function, directory, testName, relaxedTestName)) {
return false;
}
/* We keep track of the allocations generated in the .rs file and the argument classes defined
* in the Java file, as we share these between the functions created for each specification.
*/
set<string> rsAllocationsGenerated;
set<string> javaGeneratedArgumentClasses;
// Lines of Java code to invoke the check methods.
vector<string> javaCheckMethods;
for (auto spec : function.getSpecifications()) {
if (spec->hasTests(versionOfTestFiles)) {
for (auto permutation : spec->getPermutations()) {
PermutationWriter w(*permutation, &rsFile, &javaFile);
w.writeRsSection(&rsAllocationsGenerated);
w.writeJavaSection(&javaGeneratedArgumentClasses);
// Store the check method to be called.
javaCheckMethods.push_back(w.getJavaCheckMethodName());
}
}
}
finishJavaFile(&javaFile, function, javaCheckMethods);
// There's no work to wrap-up in the .rs file.
rsFile.close();
javaFile.close();
return true;
}
bool generateTestFiles(const string& directory, unsigned int versionOfTestFiles) {
bool success = true;
for (auto f : systemSpecification.getFunctions()) {
if (!writeTestFilesForFunction(*f.second, directory, versionOfTestFiles)) {
success = false;
}
}
return success;
}