blob: 8a6c42003da69a27a32752bccc34e9e81347a59d [file] [log] [blame]
/*
* 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_HCODEGENERATOR
#define SKSL_HCODEGENERATOR
#include "SkSLCodeGenerator.h"
#include "SkSLSectionAndParameterHelper.h"
#include "ir/SkSLType.h"
#include "ir/SkSLVariable.h"
#include <cctype>
constexpr const char* kFragmentProcessorHeader =
R"(
/**************************************************************************************************
*** This file was autogenerated from %s.fp; do not modify.
**************************************************************************************************/
)";
namespace SkSL {
class HCodeGenerator : public CodeGenerator {
public:
HCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors,
String name, OutputStream* out);
bool generateCode() override;
static String ParameterType(const Context& context, const Type& type, const Layout& layout);
static String FieldType(const Context& context, const Type& type, const Layout& layout);
static String FieldName(const char* varName) {
return String::printf("f%c%s", toupper(varName[0]), varName + 1);
}
static String CoordTransformName(const String& arg, int index) {
if (arg.size()) {
return HCodeGenerator::FieldName(arg.c_str()) + "CoordTransform";
}
return "fCoordTransform" + to_string(index);
}
static String GetHeader(const Program& program, ErrorReporter& errors);
private:
void writef(const char* s, va_list va) SKSL_PRINTF_LIKE(2, 0);
void writef(const char* s, ...) SKSL_PRINTF_LIKE(2, 3);
bool writeSection(const char* name, const char* prefix = "");
// given a @constructorParams section of e.g. 'int x, float y', writes out "<separator>x, y".
// Writes nothing (not even the separator) if there is no @constructorParams section.
void writeExtraConstructorParams(const char* separator);
void writeMake();
void writeConstructor();
void writeFields();
void failOnSection(const char* section, const char* msg);
const Context& fContext;
String fName;
String fFullName;
SectionAndParameterHelper fSectionAndParameterHelper;
typedef CodeGenerator INHERITED;
};
} // namespace SkSL
#endif