| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_CPPCODEGENERATOR |
| #define SKSL_CPPCODEGENERATOR |
| |
| #include "SkSLGLSLCodeGenerator.h" |
| #include "SkSLSectionAndParameterHelper.h" |
| |
| #include <set> |
| |
| namespace SkSL { |
| |
| class CPPCodeGenerator : public GLSLCodeGenerator { |
| public: |
| CPPCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors, |
| String name, OutputStream* out); |
| |
| bool generateCode() override; |
| |
| private: |
| void writef(const char* s, va_list va) SKSL_PRINTF_LIKE(2, 0); |
| |
| void writef(const char* s, ...) SKSL_PRINTF_LIKE(2, 3); |
| |
| void writeSection(const char* name, const char* prefix = ""); |
| |
| void writeHeader() override; |
| |
| void writePrecisionModifier() override; |
| |
| void writeBinaryExpression(const BinaryExpression& b, Precedence parentPrecedence) override; |
| |
| void writeIndexExpression(const IndexExpression& i) override; |
| |
| void writeVariableReference(const VariableReference& ref) override; |
| |
| String getSamplerHandle(const Variable& var); |
| |
| void writeIfStatement(const IfStatement& s) override; |
| |
| void writeSwitchStatement(const SwitchStatement& s) override; |
| |
| void writeFunctionCall(const FunctionCall& c) override; |
| |
| void writeFunction(const FunctionDefinition& f) override; |
| |
| void writeSetting(const Setting& s) override; |
| |
| void writeProgramElement(const ProgramElement& p) override; |
| |
| void addUniform(const Variable& var); |
| |
| // writes a printf escape that will be filled in at runtime by the given C++ expression string |
| void writeRuntimeValue(const Type& type, const String& cppCode); |
| |
| void writeVarInitializer(const Variable& var, const Expression& value) override; |
| |
| void writePrivateVars(); |
| |
| void writePrivateVarValues(); |
| |
| bool writeEmitCode(std::vector<const Variable*>& uniforms); |
| |
| void writeSetData(std::vector<const Variable*>& uniforms); |
| |
| void writeGetKey(); |
| |
| void writeTest(); |
| |
| String fName; |
| String fFullName; |
| SectionAndParameterHelper fSectionAndParameterHelper; |
| String fExtraEmitCodeCode; |
| std::vector<String> fFormatArgs; |
| std::set<int> fWrittenTransformedCoords; |
| bool fNeedColorSpaceHelper = false; |
| |
| typedef GLSLCodeGenerator INHERITED; |
| }; |
| |
| } |
| |
| #endif |