Shader::IShaderObject* CShaderHandler::CreateShaderObject(const std::string& soName, const std::string& soDefs, int soType) {
assert(!soName.empty());
bool arbShader = false;
std::string soPath = "shaders/" + soName;
std::string soSource = "";
CFileHandler soFile(soPath);
if (soFile.FileExists()) {
std::vector<char> soFileBuffer(soFile.FileSize() + 1, 0);
soFile.Read(&soFileBuffer[0], soFile.FileSize());
arbShader =
soName.find(".glsl") == std::string::npos &&
soName.find(".vert") == std::string::npos &&
soName.find(".frag") == std::string::npos;
soSource = std::string(&soFileBuffer[0]);
} else {
LOG_L(L_WARNING, "[%s]\n\tfile \"%s\" does not exist, interpreting"
" \"%s\" as literal shader source-string",
__FUNCTION__, soPath.c_str(), soName.c_str());
arbShader =
(soName.find("!!ARBvp") != std::string::npos) ||
(soName.find("!!ARBfp") != std::string::npos);
soSource = soName;
}
if (!arbShader) {
soSource = soDefs + soSource;
}
Shader::IShaderObject* so = NULL;
switch (soType) {
case GL_VERTEX_PROGRAM_ARB:
case GL_FRAGMENT_PROGRAM_ARB: {
assert(arbShader);
so = new Shader::ARBShaderObject(soType, soSource);
} break;
case GL_VERTEX_SHADER:
case GL_FRAGMENT_SHADER: {
assert(!arbShader);
so = new Shader::GLSLShaderObject(soType, soSource);
} break;
}
assert(so != NULL);
so->Compile();
if (!so->IsValid()) {
LOG_L(L_WARNING, "[%s]\n\tshader-object name: %s, compile-log:\n%s",
__FUNCTION__, soName.c_str(), (so->GetLog()).c_str());
}
return so;
}
Shader::IShaderObject* CShaderHandler::CreateShaderObject(const std::string& soName, int soType) {
assert(!soName.empty());
bool arbShader = false;
std::string soSource("");
CFileHandler soFile("shaders/" + soName);
if (soFile.FileExists()) {
arbShader =
soName.find(".glsl") == std::string::npos &&
soName.find(".vert") == std::string::npos &&
soName.find(".frag") == std::string::npos;
std::vector<char> soFileBuffer(soFile.FileSize() + 1, 0);
soFile.Read(&soFileBuffer[0], soFile.FileSize());
soSource = std::string(&soFileBuffer[0]);
} else {
arbShader =
(soName.find("!!ARBvp") != std::string::npos) ||
(soName.find("!!ARBfp") != std::string::npos);
soSource = soName;
}
Shader::IShaderObject* so = NULL;
switch (soType) {
case GL_VERTEX_PROGRAM_ARB:
case GL_FRAGMENT_PROGRAM_ARB: {
assert(arbShader);
so = new Shader::ARBShaderObject(soType, soSource);
} break;
case GL_VERTEX_SHADER:
case GL_FRAGMENT_SHADER: {
assert(!arbShader);
so = new Shader::GLSLShaderObject(soType, soSource);
} break;
}
assert(so != NULL);
so->Compile();
if (!so->IsValid()) {
logOutput.Print("[CShaderHandler::CreateShaderObject]\n");
logOutput.Print("\tshader-object name: %s, compile-log:\n%s\n", soName.c_str(), (so->GetLog()).c_str());
}
return so;
}
