SkShaderUtils.h

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/*
 * Copyright 2019 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef SkShaderUtils_DEFINED
#define SkShaderUtils_DEFINED
 
#include "include/private/base/SkDebug.h"
 
#include <cstdint>
#include <functional>
#include <string>
 
namespace SkSL { enum class ProgramKind : int8_t; }
 
namespace SkShaderUtils {
 
std::string PrettyPrint(const std::string& string);
 
void VisitLineByLine(const std::string& text,
                     const std::function<void(int lineNumber, const char* lineText)>&);
 
// Prints shaders one line at the time. This ensures they don't get truncated by the adb log.
inline void PrintLineByLine(const std::string& text) {
    VisitLineByLine(text, [](int lineNumber, const char* lineText) {
        SkDebugf("%4i\t%s\n", lineNumber, lineText);
    });
}
 
// Combines raw shader and error text into an easier-to-read error message with line numbers.
std::string BuildShaderErrorMessage(const char* shader, const char* errors);
 
void PrintShaderBanner(SkSL::ProgramKind programKind);
 
}  // namespace SkShaderUtils
 
#endif