skia2/src/sksl/SkSLHCodeGenerator.h
John Stiles 1dd2b4b5e0 Replace SkSL-specific macros with Skia equivalents.
ABORT will be tackled in a followup CL since, unlike the others, it is
heavily used.

Change-Id: I96c092b6c07a3311cf8467b960b8f5e32c2074cb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/364640
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-02-02 22:46:53 +00:00

91 lines
2.7 KiB
C++

/*
* 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 "src/sksl/SkSLCodeGenerator.h"
#include "src/sksl/SkSLSectionAndParameterHelper.h"
#include "src/sksl/ir/SkSLType.h"
#include "src/sksl/ir/SkSLVariable.h"
#include <cctype>
#if defined(SKSL_STANDALONE) || GR_TEST_UTILS
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 Layout::CType ParameterCType(const Context& context, const Type& type,
const Layout& layout);
static String FieldType(const Context& context, const Type& type, const Layout& layout);
// Either the field type, or a const reference of the field type if the field type is complex.
static String AccessType(const Context& context, const Type& type, const Layout& layout);
static String FieldName(const char* varName) {
return String(varName);
}
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) SK_PRINTF_LIKE(2, 0);
void writef(const char* s, ...) SK_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;
using INHERITED = CodeGenerator;
};
} // namespace SkSL
#endif // defined(SKSL_STANDALONE) || GR_TEST_UTILS
#endif // SKSL_HCODEGENERATOR