ShaderObject *ShaderManager::getShaderObject(const Common::UString &name, const Common::UString &source, ShaderType type) {
_shaderMutex.lock();
ShaderObject *shaderObject = 0;
//ShaderObject *shaderObject = (ShaderObject *)(_shaderObjectMap[filename.c_str()]);
std::map<Common::UString, Shader::ShaderObject *>::iterator it = _shaderObjectMap.find(name);
if (it != _shaderObjectMap.end()) {
_shaderMutex.unlock();
return it->second;
}
shaderObject = new ShaderObject;
shaderObject->type = type;
shaderObject->glid = 0;
shaderObject->shaderString = source;
status("shader %s loaded", name.c_str());
_shaderObjectMap.insert(std::pair<Common::UString, ShaderObject *>(name, shaderObject));
_shaderMutex.unlock();
parseShaderVariables(source, shaderObject->variablesSelf);
genShaderVariableList(shaderObject, shaderObject->variablesCombined);
if (shaderObject->type == SHADER_VERTEX) {
shaderObject->id = _counterVID++; // Post decrement intentional.
} else {
shaderObject->id = _counterFID++; // Post decrement intentional.
}
return shaderObject;
}
ShaderObject *ShaderManager::getShaderObject(const Common::UString &name, const Common::UString &source, ShaderType type) {
ShaderObject *shaderObject = 0;
//ShaderObject *shaderObject = (ShaderObject *)(_shaderObjectMap[filename.c_str()]);
std::map<Common::UString, Shader::ShaderObject *>::iterator it = _shaderObjectMap.find(name);
if (it != _shaderObjectMap.end()) {
return it->second;
}
shaderObject = new ShaderObject;
shaderObject->type = type;
shaderObject->glid = glCreateShader(shaderObject->type == SHADER_VERTEX ? GL_VERTEX_SHADER : GL_FRAGMENT_SHADER);
const char *text = source.c_str();
glShaderSource(shaderObject->glid, 1, (const GLchar **)(&text), 0);
glCompileShader(shaderObject->glid);
status("shader %s loaded", name.c_str());
GLint gl_status;
glGetShaderiv(shaderObject->glid, GL_COMPILE_STATUS, &gl_status);
if (gl_status == GL_FALSE) {
GLsizei logolength;
char logorama[4096];
glGetShaderInfoLog(shaderObject->glid, 4095, &logolength, logorama);
error("shader compile failure! shader %s, Driver output:\n", logorama);
delete shaderObject;
} else {
_shaderObjectMap.insert(std::pair<Common::UString, ShaderObject *>(name, shaderObject));
parseShaderVariables(source, shaderObject->variablesSelf);
genShaderVariableList(shaderObject, shaderObject->variablesCombined);
if (shaderObject->type == SHADER_VERTEX) {
shaderObject->id = _counterVID++; // Post decrement intentional.
} else {
shaderObject->id = _counterFID++; // Post decrement intentional.
}
}
return shaderObject;
}
