| /* |
| * Copyright 2020 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/sksl/DSLCore.h" |
| |
| #include "include/private/SkSLDefines.h" |
| #include "include/sksl/DSLSymbols.h" |
| #include "include/sksl/DSLVar.h" |
| #include "src/sksl/SkSLCompiler.h" |
| #include "src/sksl/SkSLIRGenerator.h" |
| #include "src/sksl/dsl/priv/DSLWriter.h" |
| #include "src/sksl/ir/SkSLBreakStatement.h" |
| #include "src/sksl/ir/SkSLContinueStatement.h" |
| #include "src/sksl/ir/SkSLDiscardStatement.h" |
| #include "src/sksl/ir/SkSLDoStatement.h" |
| #include "src/sksl/ir/SkSLField.h" |
| #include "src/sksl/ir/SkSLForStatement.h" |
| #include "src/sksl/ir/SkSLIfStatement.h" |
| #include "src/sksl/ir/SkSLReturnStatement.h" |
| #include "src/sksl/ir/SkSLStructDefinition.h" |
| #include "src/sksl/ir/SkSLSwizzle.h" |
| #include "src/sksl/ir/SkSLTernaryExpression.h" |
| |
| namespace SkSL { |
| |
| namespace dsl { |
| |
| void Start(SkSL::Compiler* compiler, ProgramKind kind) { |
| Start(compiler, kind, ProgramSettings()); |
| } |
| |
| void Start(SkSL::Compiler* compiler, ProgramKind kind, const ProgramSettings& settings) { |
| DSLWriter::SetInstance(std::make_unique<DSLWriter>(compiler, kind, settings, |
| compiler->moduleForProgramKind(kind), |
| /*isModule=*/false)); |
| } |
| |
| void StartModule(SkSL::Compiler* compiler, ProgramKind kind, const ProgramSettings& settings, |
| SkSL::ParsedModule module) { |
| DSLWriter::SetInstance(std::make_unique<DSLWriter>(compiler, kind, settings, module, |
| /*isModule=*/true)); |
| } |
| |
| void End() { |
| SkASSERTF(!DSLWriter::InFragmentProcessor(), |
| "more calls to StartFragmentProcessor than to EndFragmentProcessor"); |
| DSLWriter::SetInstance(nullptr); |
| } |
| |
| ErrorReporter& GetErrorReporter() { |
| return DSLWriter::GetErrorReporter(); |
| } |
| |
| void SetErrorReporter(ErrorReporter* errorReporter) { |
| SkASSERT(errorReporter); |
| DSLWriter::SetErrorReporter(errorReporter); |
| } |
| |
| class DSLCore { |
| public: |
| static std::unique_ptr<SkSL::Program> ReleaseProgram(std::unique_ptr<String> source) { |
| DSLWriter& instance = DSLWriter::Instance(); |
| SkSL::IRGenerator& ir = DSLWriter::IRGenerator(); |
| IRGenerator::IRBundle bundle = ir.finish(); |
| Pool* pool = DSLWriter::Instance().fPool.get(); |
| auto result = std::make_unique<SkSL::Program>(std::move(source), |
| std::move(instance.fConfig), |
| DSLWriter::Instance().fCompiler->fContext, |
| std::move(bundle.fElements), |
| std::move(bundle.fSharedElements), |
| std::move(instance.fModifiersPool), |
| std::move(bundle.fSymbolTable), |
| std::move(instance.fPool), |
| bundle.fInputs); |
| bool success = false; |
| if (!DSLWriter::Compiler().finalize(*result)) { |
| // Do not return programs that failed to compile. |
| } else if (!DSLWriter::Compiler().optimize(*result)) { |
| // Do not return programs that failed to optimize. |
| } else { |
| // We have a successful program! |
| success = true; |
| } |
| if (!success) { |
| DSLWriter::ReportErrors(PositionInfo()); |
| } |
| if (pool) { |
| pool->detachFromThread(); |
| } |
| SkASSERT(DSLWriter::ProgramElements().empty()); |
| SkASSERT(!DSLWriter::SymbolTable()); |
| return success ? std::move(result) : nullptr; |
| } |
| |
| static DSLGlobalVar sk_FragColor() { |
| return DSLGlobalVar("sk_FragColor"); |
| } |
| |
| static DSLGlobalVar sk_FragCoord() { |
| return DSLGlobalVar("sk_FragCoord"); |
| } |
| |
| static DSLExpression sk_Position() { |
| return DSLExpression(Symbol("sk_Position")); |
| } |
| |
| template <typename... Args> |
| static DSLPossibleExpression Call(const char* name, Args... args) { |
| SkSL::IRGenerator& ir = DSLWriter::IRGenerator(); |
| SkSL::ExpressionArray argArray; |
| argArray.reserve_back(sizeof...(args)); |
| |
| // in C++17, we could just do: |
| // (argArray.push_back(args.release()), ...); |
| int unused[] = {0, (static_cast<void>(argArray.push_back(args.release())), 0)...}; |
| static_cast<void>(unused); |
| |
| return ir.call(/*offset=*/-1, ir.convertIdentifier(-1, name), std::move(argArray)); |
| } |
| |
| static DSLStatement Break(PositionInfo pos) { |
| return SkSL::BreakStatement::Make(pos.offset()); |
| } |
| |
| static DSLStatement Continue(PositionInfo pos) { |
| return SkSL::ContinueStatement::Make(pos.offset()); |
| } |
| |
| static void Declare(const DSLModifiers& modifiers) { |
| DSLWriter::ProgramElements().push_back(std::make_unique<SkSL::ModifiersDeclaration>( |
| DSLWriter::Modifiers(modifiers.fModifiers))); |
| } |
| |
| static DSLStatement Declare(DSLVar& var, PositionInfo pos) { |
| if (var.fDeclared) { |
| DSLWriter::ReportError("variable has already been declared", pos); |
| } |
| var.fDeclared = true; |
| return DSLWriter::Declaration(var); |
| } |
| |
| static DSLStatement Declare(SkTArray<DSLVar>& vars, PositionInfo pos) { |
| StatementArray statements; |
| for (DSLVar& v : vars) { |
| statements.push_back(Declare(v, pos).release()); |
| } |
| return SkSL::Block::MakeUnscoped(/*offset=*/-1, std::move(statements)); |
| } |
| |
| static void Declare(DSLGlobalVar& var, PositionInfo pos) { |
| if (var.fDeclared) { |
| DSLWriter::ReportError("variable has already been declared", pos); |
| } |
| var.fDeclared = true; |
| std::unique_ptr<SkSL::Statement> stmt = DSLWriter::Declaration(var); |
| if (stmt) { |
| if (!stmt->isEmpty()) { |
| DSLWriter::ProgramElements().push_back(std::make_unique<SkSL::GlobalVarDeclaration>( |
| std::move(stmt))); |
| } |
| } else if (var.fName == SkSL::Compiler::FRAGCOLOR_NAME) { |
| // sk_FragColor can end up with a null declaration despite no error occurring due to |
| // specific treatment in the compiler. Ignore the null and just grab the existing |
| // variable from the symbol table. |
| const SkSL::Symbol* alreadyDeclared = (*DSLWriter::SymbolTable())[var.fName]; |
| if (alreadyDeclared && alreadyDeclared->is<Variable>()) { |
| var.fVar = &alreadyDeclared->as<Variable>(); |
| var.fInitialized = true; |
| } |
| } |
| } |
| |
| static void Declare(SkTArray<DSLGlobalVar>& vars, PositionInfo pos) { |
| for (DSLGlobalVar& v : vars) { |
| Declare(v, pos); |
| } |
| } |
| |
| static DSLStatement Discard(PositionInfo pos) { |
| return SkSL::DiscardStatement::Make(pos.offset()); |
| } |
| |
| static DSLPossibleStatement Do(DSLStatement stmt, DSLExpression test) { |
| return DoStatement::Convert(DSLWriter::Context(), stmt.release(), test.release()); |
| } |
| |
| static DSLPossibleStatement For(DSLStatement initializer, DSLExpression test, |
| DSLExpression next, DSLStatement stmt, PositionInfo pos) { |
| return ForStatement::Convert(DSLWriter::Context(), /*offset=*/-1, |
| initializer.releaseIfPossible(), test.releaseIfPossible(), |
| next.releaseIfPossible(), stmt.release(), |
| DSLWriter::SymbolTable()); |
| } |
| |
| static DSLPossibleStatement If(DSLExpression test, DSLStatement ifTrue, DSLStatement ifFalse, |
| bool isStatic) { |
| return IfStatement::Convert(DSLWriter::Context(), /*offset=*/-1, isStatic, test.release(), |
| ifTrue.release(), ifFalse.releaseIfPossible()); |
| } |
| |
| static DSLGlobalVar InterfaceBlock(const DSLModifiers& modifiers, skstd::string_view typeName, |
| SkTArray<DSLField> fields, skstd::string_view varName, |
| int arraySize, PositionInfo pos) { |
| // We need to create a new struct type for the interface block, but we don't want it in the |
| // symbol table. Since dsl::Struct automatically sticks it in the symbol table, we create it |
| // the old fashioned way with MakeStructType. |
| std::vector<SkSL::Type::Field> skslFields; |
| skslFields.reserve(fields.count()); |
| for (const DSLField& field : fields) { |
| const SkSL::Type* baseType = &field.fType.skslType(); |
| if (baseType->isArray()) { |
| baseType = &baseType->componentType(); |
| } |
| DSLWriter::IRGenerator().checkVarDeclaration(/*offset=*/-1, field.fModifiers.fModifiers, |
| baseType, Variable::Storage::kInterfaceBlock); |
| GetErrorReporter().reportPendingErrors(field.fPosition); |
| skslFields.push_back(SkSL::Type::Field(field.fModifiers.fModifiers, field.fName, |
| &field.fType.skslType())); |
| } |
| const SkSL::Type* structType = DSLWriter::SymbolTable()->takeOwnershipOfSymbol( |
| SkSL::Type::MakeStructType(/*offset=*/-1, typeName, std::move(skslFields))); |
| DSLType varType = arraySize > 0 ? Array(structType, arraySize) : DSLType(structType); |
| DSLGlobalVar var(modifiers, varType, !varName.empty() ? varName : typeName); |
| // Interface blocks can't be declared, so we always need to mark the var declared ourselves. |
| // We do this only when fDSLMarkVarDeclared is false, so we don't double-declare it. |
| if (!DSLWriter::Settings().fDSLMarkVarsDeclared) { |
| DSLWriter::MarkDeclared(var); |
| } |
| auto intf = std::make_unique<SkSL::InterfaceBlock>(/*offset=*/-1, |
| DSLWriter::Var(var), typeName, varName, arraySize, DSLWriter::SymbolTable()); |
| DSLWriter::IRGenerator().scanInterfaceBlock(*intf); |
| DSLWriter::ProgramElements().push_back(std::move(intf)); |
| if (varName.empty()) { |
| const std::vector<SkSL::Type::Field>& structFields = structType->fields(); |
| const SkSL::Variable* skslVar = DSLWriter::Var(var); |
| for (size_t i = 0; i < structFields.size(); ++i) { |
| DSLWriter::SymbolTable()->add(std::make_unique<SkSL::Field>(/*offset=*/-1, |
| skslVar, |
| i)); |
| } |
| } else { |
| AddToSymbolTable(var); |
| } |
| GetErrorReporter().reportPendingErrors(pos); |
| return var; |
| } |
| |
| static DSLPossibleStatement Return(DSLExpression value, PositionInfo pos) { |
| // Note that because Return is called before the function in which it resides exists, at |
| // this point we do not know the function's return type. We therefore do not check for |
| // errors, or coerce the value to the correct type, until the return statement is actually |
| // added to a function. (This is done in FunctionDefinition::Convert.) |
| return SkSL::ReturnStatement::Make(/*offset=*/-1, value.releaseIfPossible()); |
| } |
| |
| static DSLExpression Swizzle(DSLExpression base, SkSL::SwizzleComponent::Type a, |
| PositionInfo pos) { |
| return DSLExpression(Swizzle::Convert(DSLWriter::Context(), base.release(), |
| ComponentArray{a}), |
| pos); |
| } |
| |
| static DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| PositionInfo pos) { |
| return DSLExpression(Swizzle::Convert(DSLWriter::Context(), base.release(), |
| ComponentArray{a, b}), |
| pos); |
| } |
| |
| static DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| SkSL::SwizzleComponent::Type c, |
| PositionInfo pos) { |
| return DSLExpression(Swizzle::Convert(DSLWriter::Context(), base.release(), |
| ComponentArray{a, b, c}), |
| pos); |
| } |
| |
| static DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| SkSL::SwizzleComponent::Type c, |
| SkSL::SwizzleComponent::Type d, |
| PositionInfo pos) { |
| return DSLExpression(Swizzle::Convert(DSLWriter::Context(), base.release(), |
| ComponentArray{a,b,c,d}), |
| pos); |
| } |
| |
| static DSLPossibleExpression Select(DSLExpression test, DSLExpression ifTrue, |
| DSLExpression ifFalse) { |
| return TernaryExpression::Convert(DSLWriter::Context(), test.release(), |
| ifTrue.release(), ifFalse.release()); |
| } |
| |
| static DSLPossibleStatement Switch(DSLExpression value, SkTArray<DSLCase> cases, |
| bool isStatic, PositionInfo pos) { |
| ExpressionArray values; |
| values.reserve_back(cases.count()); |
| SkTArray<StatementArray> statements; |
| statements.reserve_back(cases.count()); |
| for (DSLCase& c : cases) { |
| values.push_back(c.fValue.releaseIfPossible()); |
| statements.push_back(std::move(c.fStatements)); |
| } |
| return DSLWriter::ConvertSwitch(value.release(), std::move(values), std::move(statements), |
| isStatic, pos); |
| } |
| |
| static DSLPossibleStatement While(DSLExpression test, DSLStatement stmt) { |
| return ForStatement::ConvertWhile(DSLWriter::Context(), /*offset=*/-1, test.release(), |
| stmt.release(), DSLWriter::SymbolTable()); |
| } |
| }; |
| |
| std::unique_ptr<SkSL::Program> ReleaseProgram(std::unique_ptr<String> source) { |
| return DSLCore::ReleaseProgram(std::move(source)); |
| } |
| |
| DSLGlobalVar sk_FragColor() { |
| return DSLCore::sk_FragColor(); |
| } |
| |
| DSLGlobalVar sk_FragCoord() { |
| return DSLCore::sk_FragCoord(); |
| } |
| |
| DSLExpression sk_Position() { |
| return DSLCore::sk_Position(); |
| } |
| |
| void AddExtension(skstd::string_view name, PositionInfo pos) { |
| DSLWriter::ProgramElements().push_back(std::make_unique<SkSL::Extension>(pos.offset(), name)); |
| DSLWriter::ReportErrors(pos); |
| } |
| |
| DSLStatement Break(PositionInfo pos) { |
| return DSLCore::Break(pos); |
| } |
| |
| DSLStatement Continue(PositionInfo pos) { |
| return DSLCore::Continue(pos); |
| } |
| |
| void Declare(const DSLModifiers& modifiers, PositionInfo pos) { |
| SkSL::ProgramKind kind = DSLWriter::GetProgramConfig()->fKind; |
| if (kind != ProgramKind::kFragment && |
| kind != ProgramKind::kVertex) { |
| DSLWriter::ReportError("layout qualifiers are not allowed in this kind of program", pos); |
| return; |
| } |
| DSLCore::Declare(modifiers); |
| } |
| |
| // Logically, we'd want the variable's initial value to appear on here in Declare, since that |
| // matches how we actually write code (and in fact that was what our first attempt looked like). |
| // Unfortunately, C++ doesn't guarantee execution order between arguments, and Declare() can appear |
| // as a function argument in constructs like Block(Declare(x, 0), foo(x)). If these are executed out |
| // of order, we will evaluate the reference to x before we evaluate Declare(x, 0), and thus the |
| // variable's initial value is unknown at the point of reference. There are probably some other |
| // issues with this as well, but it is particularly dangerous when x is const, since SkSL will |
| // expect its value to be known when it is referenced and will end up asserting, dereferencing a |
| // null pointer, or possibly doing something else awful. |
| // |
| // So, we put the initial value onto the Var itself instead of the Declare to guarantee that it is |
| // always executed in the correct order. |
| DSLStatement Declare(DSLVar& var, PositionInfo pos) { |
| return DSLCore::Declare(var, pos); |
| } |
| |
| DSLStatement Declare(SkTArray<DSLVar>& vars, PositionInfo pos) { |
| return DSLCore::Declare(vars, pos); |
| } |
| |
| void Declare(DSLGlobalVar& var, PositionInfo pos) { |
| DSLCore::Declare(var, pos); |
| } |
| |
| void Declare(SkTArray<DSLGlobalVar>& vars, PositionInfo pos) { |
| DSLCore::Declare(vars, pos); |
| } |
| |
| DSLStatement Discard(PositionInfo pos) { |
| return DSLCore::Discard(pos); |
| } |
| |
| DSLStatement Do(DSLStatement stmt, DSLExpression test, PositionInfo pos) { |
| return DSLStatement(DSLCore::Do(std::move(stmt), std::move(test)), pos); |
| } |
| |
| DSLStatement For(DSLStatement initializer, DSLExpression test, DSLExpression next, |
| DSLStatement stmt, PositionInfo pos) { |
| return DSLStatement(DSLCore::For(std::move(initializer), std::move(test), std::move(next), |
| std::move(stmt), pos), pos); |
| } |
| |
| DSLStatement If(DSLExpression test, DSLStatement ifTrue, DSLStatement ifFalse, PositionInfo pos) { |
| return DSLStatement(DSLCore::If(std::move(test), std::move(ifTrue), std::move(ifFalse), |
| /*isStatic=*/false), |
| pos); |
| } |
| |
| DSLGlobalVar InterfaceBlock(const DSLModifiers& modifiers, skstd::string_view typeName, |
| SkTArray<DSLField> fields, skstd::string_view varName, int arraySize, |
| PositionInfo pos) { |
| SkSL::ProgramKind kind = DSLWriter::GetProgramConfig()->fKind; |
| if (kind != ProgramKind::kFragment && |
| kind != ProgramKind::kVertex) { |
| DSLWriter::ReportError("interface blocks are not allowed in this kind of program", pos); |
| return DSLGlobalVar(); |
| } |
| return DSLCore::InterfaceBlock(modifiers, typeName, std::move(fields), varName, arraySize, pos); |
| } |
| |
| DSLStatement Return(DSLExpression expr, PositionInfo pos) { |
| return DSLCore::Return(std::move(expr), pos); |
| } |
| |
| DSLExpression Select(DSLExpression test, DSLExpression ifTrue, DSLExpression ifFalse, |
| PositionInfo pos) { |
| return DSLExpression(DSLCore::Select(std::move(test), std::move(ifTrue), std::move(ifFalse)), |
| pos); |
| } |
| |
| DSLStatement StaticIf(DSLExpression test, DSLStatement ifTrue, DSLStatement ifFalse, |
| PositionInfo pos) { |
| return DSLStatement(DSLCore::If(std::move(test), std::move(ifTrue), std::move(ifFalse), |
| /*isStatic=*/true), |
| pos); |
| } |
| |
| DSLPossibleStatement StaticSwitch(DSLExpression value, SkTArray<DSLCase> cases, PositionInfo pos) { |
| return DSLCore::Switch(std::move(value), std::move(cases), /*isStatic=*/true, pos); |
| } |
| |
| DSLPossibleStatement Switch(DSLExpression value, SkTArray<DSLCase> cases, PositionInfo pos) { |
| return DSLCore::Switch(std::move(value), std::move(cases), /*isStatic=*/false, pos); |
| } |
| |
| DSLStatement While(DSLExpression test, DSLStatement stmt, PositionInfo pos) { |
| return DSLStatement(DSLCore::While(std::move(test), std::move(stmt)), pos); |
| } |
| |
| DSLExpression Abs(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("abs", std::move(x)), pos); |
| } |
| |
| DSLExpression All(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("all", std::move(x)), pos); |
| } |
| |
| DSLExpression Any(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("any", std::move(x)), pos); |
| } |
| |
| DSLExpression Atan(DSLExpression y_over_x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("atan", std::move(y_over_x)), pos); |
| } |
| |
| DSLExpression Atan(DSLExpression y, DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("atan", std::move(y), std::move(x)), pos); |
| } |
| |
| DSLExpression Ceil(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("ceil", std::move(x)), pos); |
| } |
| |
| DSLExpression Clamp(DSLExpression x, DSLExpression min, DSLExpression max, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("clamp", std::move(x), std::move(min), std::move(max)), pos); |
| } |
| |
| DSLExpression Cos(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("cos", std::move(x)), pos); |
| } |
| |
| DSLExpression Cross(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("cross", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Degrees(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("degrees", std::move(x)), pos); |
| } |
| |
| DSLExpression Distance(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("distance", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Dot(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("dot", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Equal(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("equal", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Exp(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("exp", std::move(x)), pos); |
| } |
| |
| DSLExpression Exp2(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("exp2", std::move(x)), pos); |
| } |
| |
| DSLExpression Faceforward(DSLExpression n, DSLExpression i, DSLExpression nref, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("faceforward", std::move(n), std::move(i), std::move(nref)), |
| pos); |
| } |
| |
| DSLExpression Fract(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("fract", std::move(x)), pos); |
| } |
| |
| DSLExpression Floor(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("floor", std::move(x)), pos); |
| } |
| |
| DSLExpression GreaterThan(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("greaterThan", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression GreaterThanEqual(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("greaterThanEqual", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Inverse(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("inverse", std::move(x)), pos); |
| } |
| |
| DSLExpression Inversesqrt(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("inversesqrt", std::move(x)), pos); |
| } |
| |
| DSLExpression Length(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("length", std::move(x)), pos); |
| } |
| |
| DSLExpression LessThan(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("lessThan", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression LessThanEqual(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("lessThanEqual", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Log(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("log", std::move(x)), pos); |
| } |
| |
| DSLExpression Log2(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("log2", std::move(x)), pos); |
| } |
| |
| DSLExpression Max(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("max", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Min(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("min", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Mix(DSLExpression x, DSLExpression y, DSLExpression a, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("mix", std::move(x), std::move(y), std::move(a)), pos); |
| } |
| |
| DSLExpression Mod(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("mod", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Normalize(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("normalize", std::move(x)), pos); |
| } |
| |
| DSLExpression NotEqual(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("notEqual", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Pow(DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("pow", std::move(x), std::move(y)), pos); |
| } |
| |
| DSLExpression Radians(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("radians", std::move(x)), pos); |
| } |
| |
| DSLExpression Reflect(DSLExpression i, DSLExpression n, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("reflect", std::move(i), std::move(n)), pos); |
| } |
| |
| DSLExpression Refract(DSLExpression i, DSLExpression n, DSLExpression eta, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("refract", std::move(i), std::move(n), std::move(eta)), pos); |
| } |
| |
| DSLExpression Sample(DSLExpression target, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sample", std::move(target)), pos); |
| } |
| |
| |
| DSLExpression Sample(DSLExpression target, DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sample", std::move(target), std::move(x)), pos); |
| } |
| |
| DSLExpression Sample(DSLExpression target, DSLExpression x, DSLExpression y, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sample", std::move(target), std::move(x), std::move(y)), |
| pos); |
| } |
| |
| DSLExpression Saturate(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("saturate", std::move(x)), pos); |
| } |
| |
| DSLExpression Sign(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sign", std::move(x)), pos); |
| } |
| |
| DSLExpression Sin(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sin", std::move(x)), pos); |
| } |
| |
| DSLExpression Smoothstep(DSLExpression edge1, DSLExpression edge2, DSLExpression x, |
| PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("smoothstep", std::move(edge1), std::move(edge2), |
| std::move(x)), |
| pos); |
| } |
| |
| DSLExpression Sqrt(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("sqrt", std::move(x)), pos); |
| } |
| |
| DSLExpression Step(DSLExpression edge, DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("step", std::move(edge), std::move(x)), pos); |
| } |
| |
| DSLExpression Swizzle(DSLExpression base, SkSL::SwizzleComponent::Type a, |
| PositionInfo pos) { |
| return DSLCore::Swizzle(std::move(base), a, pos); |
| } |
| |
| DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| PositionInfo pos) { |
| return DSLCore::Swizzle(std::move(base), a, b, pos); |
| } |
| |
| DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| SkSL::SwizzleComponent::Type c, |
| PositionInfo pos) { |
| return DSLCore::Swizzle(std::move(base), a, b, c, pos); |
| } |
| |
| DSLExpression Swizzle(DSLExpression base, |
| SkSL::SwizzleComponent::Type a, |
| SkSL::SwizzleComponent::Type b, |
| SkSL::SwizzleComponent::Type c, |
| SkSL::SwizzleComponent::Type d, |
| PositionInfo pos) { |
| return DSLCore::Swizzle(std::move(base), a, b, c, d, pos); |
| } |
| |
| DSLExpression Tan(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("tan", std::move(x)), pos); |
| } |
| |
| DSLExpression Unpremul(DSLExpression x, PositionInfo pos) { |
| return DSLExpression(DSLCore::Call("unpremul", std::move(x)), pos); |
| } |
| |
| } // namespace dsl |
| |
| } // namespace SkSL |