SkShaderUtils Namespace Reference

Classes
class	GLSLPrettyPrint

Functions
std::string	PrettyPrint (const std::string &string)
void	VisitLineByLine (const std::string &text, const std::function< void(int lineNumber, const char *lineText)> &visitFn)
std::string	BuildShaderErrorMessage (const char *shader, const char *errors)
void	PrintShaderBanner (SkSL::ProgramKind programKind)
void	PrintLineByLine (const std::string &text)

Function Documentation

BuildShaderErrorMessage()

std::string SkShaderUtils::BuildShaderErrorMessage	(	const char *	shader,
		const char *	errors
	)

Definition at line 256 of file SkShaderUtils.cpp.

                                                                          {
    std::string abortText{"Shader compilation error\n"
                          "------------------------\n"};
    VisitLineByLine(shader, [&](int lineNumber, const char* lineText) {
        SkSL::String::appendf(&abortText, "%4i\t%s\n", lineNumber, lineText);
    });
    SkSL::String::appendf(&abortText, "Errors:\n%s", errors);
    return abortText;
}

PrettyPrint()

std::string SkShaderUtils::PrettyPrint

(

const std::string &

string

)

Definition at line 242 of file SkShaderUtils.cpp.

                                               {
    GLSLPrettyPrint pp;
    return pp.prettify(string);
}

PrintLineByLine()

void SkShaderUtils::PrintLineByLine ( const std::string &  text )

inline

Definition at line 27 of file SkShaderUtils.h.

                                                   {
    VisitLineByLine(text, [](int lineNumber, const char* lineText) {
        SkDebugf("%4i\t%s\n", lineNumber, lineText);
    });
}

PrintShaderBanner()

void SkShaderUtils::PrintShaderBanner

(

SkSL::ProgramKind

programKind

)

Definition at line 266 of file SkShaderUtils.cpp.

                                                    {
    const char* typeName = "Unknown";
    if (SkSL::ProgramConfig::IsVertex(programKind)) {
        typeName = "Vertex";
    } else if (SkSL::ProgramConfig::IsFragment(programKind)) {
        typeName = "Fragment";
    }
    SkDebugf("---- %s shader ----------------------------------------------------\n", typeName);
}

VisitLineByLine()

void SkShaderUtils::VisitLineByLine	(	const std::string &	text,
		const std::function< void(int lineNumber, const char *lineText)> &	visitFn
	)

Definition at line 247 of file SkShaderUtils.cpp.

                                                                                             {
    TArray<SkString> lines;
    SkStrSplit(text.c_str(), "\n", kStrict_SkStrSplitMode, &lines);
    for (int i = 0; i < lines.size(); ++i) {
        visitFn(i + 1, lines[i].c_str());
    }
}