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shaderc: Added command line argument for setting preprocessor defines. Issue #662.

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This commit is contained in:
Branimir Karadžić 2016-01-22 20:27:03 -08:00
parent beb8eea2fe
commit 6d80ef7835
1 changed files with 17 additions and 0 deletions
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17
tools/shaderc/shaderc.cpp
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@ -4,6 +4,7 @@
*/ */
#include "shaderc.h" #include "shaderc.h"
#include <bx/tokenizecmd.h>
bool g_verbose = false; bool g_verbose = false;
@ -662,6 +663,7 @@ void help(const char* _error = NULL)
" osx\n" " osx\n"
" windows\n" " windows\n"
" --preprocess Preprocess only.\n" " --preprocess Preprocess only.\n"
" --define <defines> Add defines to preprocessor (semicolon separated).\n"
" --raw Do not process shader. No preprocessor, and no glsl-optimizer (GLSL only).\n" " --raw Do not process shader. No preprocessor, and no glsl-optimizer (GLSL only).\n"
" --type <type> Shader type (vertex, fragment)\n" " --type <type> Shader type (vertex, fragment)\n"
" --varyingdef <file path> Path to varying.def.sc file.\n" " --varyingdef <file path> Path to varying.def.sc file.\n"
@ -807,6 +809,21 @@ int main(int _argc, const char* _argv[])
} }
} }
const char* defines = cmdLine.findOption("define");
while (NULL != defines
&& '\0' != *defines)
{
defines = bx::strws(defines);
const char* eol = strchr(defines, ';');
if (NULL == eol)
{
eol = defines + strlen(defines);
}
std::string define(defines, eol);
preprocessor.setDefine(define.c_str());
defines = ';' == *eol ? eol+1 : eol;
}
preprocessor.setDefaultDefine("BX_PLATFORM_ANDROID"); preprocessor.setDefaultDefine("BX_PLATFORM_ANDROID");
preprocessor.setDefaultDefine("BX_PLATFORM_EMSCRIPTEN"); preprocessor.setDefaultDefine("BX_PLATFORM_EMSCRIPTEN");
preprocessor.setDefaultDefine("BX_PLATFORM_IOS"); preprocessor.setDefaultDefine("BX_PLATFORM_IOS");