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Added help for shaderc.

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bkaradzic 2012-10-28 11:00:53 -07:00
parent 6492a17f82
commit f71617e1b6
2 changed files with 51 additions and 6 deletions
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tools/bin/shaderc.exe
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57
tools/shaderc.cpp
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@ -1341,40 +1341,85 @@ const char* baseName(const char* _filePath)
// 4.1 410 // 4.1 410
// 4.2 420 11.0 vhdgf 5.0 // 4.2 420 11.0 vhdgf 5.0
void help(const char* _error = NULL)
{
if (NULL != _error)
{
fprintf(stderr, "Error:\n%s\n\n", _error);
}
fprintf(stderr
, "shaderc, bgfx shader compiler tool\n"
"Copyright 2011-2012 Branimir Karadzic. All rights reserved.\n"
"License: http://www.opensource.org/licenses/BSD-2-Clause\n\n"
);
fprintf(stderr
, "Usage: shaderc -f <in> -o <out> --type <v/f> --platform <platform>\n\n"
"Options:\n"
"\t-f Input file path.\n"
"\t-o Output file path.\n"
"\t --bin2c Generate C header file.\n"
"\t --depends Generate makefile style depends file.\n"
"\t --platform Target platform.\n"
"\t android\n"
"\t ios\n"
"\t linux\n"
"\t nacl\n"
"\t osx\n"
"\t windows\n"
"\t --type Shader type (vertex, fragment)\n"
"\t --varyingdef Path to varying.def.sc file.\n"
"\n"
"Options (DX9 and DX11 only):\n"
"\n"
"\t --disasm Disassemble compiled shader.\n"
"\t-p, --profile Shader model (f.e. ps_3_0).\n"
"\n"
"For additional information, see https://github.com/bkaradzic/bgfx\n"
);
}
int main(int _argc, const char* _argv[]) int main(int _argc, const char* _argv[])
{ {
CommandLine cmdLine(_argc, _argv); CommandLine cmdLine(_argc, _argv);
if (cmdLine.hasArg('h', "help") )
{
help();
return EXIT_FAILURE;
}
const char* filePath = cmdLine.findOption('f'); const char* filePath = cmdLine.findOption('f');
if (NULL == filePath) if (NULL == filePath)
{ {
fprintf(stderr, "Shader file name must be specified.\n"); help("Shader file name must be specified.");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
const char* outFilePath = cmdLine.findOption('o'); const char* outFilePath = cmdLine.findOption('o');
if (NULL == outFilePath) if (NULL == outFilePath)
{ {
fprintf(stderr, "Output file name must be specified.\n"); help("Output file name must be specified.");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
const char* type = cmdLine.findOption('\0', "type"); const char* type = cmdLine.findOption('\0', "type");
if (NULL == type) if (NULL == type)
{ {
fprintf(stderr, "Must specify shader type."); help("Must specify shader type.");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
const char* platform = cmdLine.findOption('\0', "platform"); const char* platform = cmdLine.findOption('\0', "platform");
if (NULL == platform) if (NULL == platform)
{ {
fprintf(stderr, "Must specify platform.\n"); help("Must specify platform.");
return EXIT_FAILURE; return EXIT_FAILURE;
} }
uint32_t hlsl = 2; uint32_t hlsl = 2;
const char* profile = cmdLine.findOption('p'); const char* profile = cmdLine.findOption('p', "profile");
if (NULL != profile) if (NULL != profile)
{ {
if (0 == strncmp(&profile[1], "s_3", 3) ) if (0 == strncmp(&profile[1], "s_3", 3) )
@ -1509,7 +1554,7 @@ int main(int _argc, const char* _argv[])
{ {
VaryingMap varyingMap; VaryingMap varyingMap;
File attribdef("varying.def.sc"); File attribdef(cmdLine.findOption("varyingdef", "varying.def.sc") );
const char* parse = attribdef.getData(); const char* parse = attribdef.getData();
while (NULL != parse while (NULL != parse
&& *parse != '\0') && *parse != '\0')