std::vector<UniformData> Renderer::CreateShaderUniforms(const std::string& shaderText, unsigned int shaderProgram)
{
static const std::string UNIFORM_KEY = "uniform";
std::vector<UniformStruct> structs = FindUniformStructs(shaderText);
std::vector<UniformData> result;
size_t uniformLocation = shaderText.find(UNIFORM_KEY);
while(uniformLocation != std::string::npos)
{
bool isCommented = false;
size_t lastLineEnd = shaderText.rfind(";", uniformLocation);
if(lastLineEnd != std::string::npos)
{
std::string potentialCommentSection = shaderText.substr(lastLineEnd,uniformLocation - lastLineEnd);
isCommented = potentialCommentSection.find("//") != std::string::npos;
}
if(!isCommented)
{
size_t begin = uniformLocation + UNIFORM_KEY.length();
size_t end = shaderText.find(";", begin);
std::string uniformLine = shaderText.substr(begin + 1, end-begin - 1);
begin = uniformLine.find(" ");
std::string uniformName = uniformLine.substr(begin + 1);
std::string uniformType = uniformLine.substr(0, begin);
AddUniform(uniformName, uniformType, shaderProgram, structs, result);
}
uniformLocation = shaderText.find(UNIFORM_KEY, uniformLocation + UNIFORM_KEY.length());
}
return result;
}
void ShaderData::AddShaderUniforms(const string& _shaderText) {
static const string UNIFORM_KEY = "uniform";
vector<UniformData> structs = FindUniformStructs(_shaderText);
size_t uniformLocation = _shaderText.find(UNIFORM_KEY);
while (uniformLocation != string::npos) {
bool isCommented = false;
size_t lastLineEnd = _shaderText.rfind("\n", uniformLocation);
if (lastLineEnd != string::npos) {
string potentialCommentSection = _shaderText.substr(lastLineEnd, uniformLocation - lastLineEnd);
isCommented = potentialCommentSection.find("//") != string::npos;
}
if (!isCommented) {
size_t begin = uniformLocation + UNIFORM_KEY.length();
size_t end = _shaderText.find(";", begin);
string uniformLine = _shaderText.substr(begin + 1, end - begin - 1);
begin = uniformLine.find(" ");
string uniformName = uniformLine.substr(begin + 1);
string uniformType = uniformLine.substr(0, begin);
size_t subscriptLocation = uniformName.find("[");
if (subscriptLocation != string::npos) {
uniformName = uniformName.substr(0, subscriptLocation);
}
uniformNames.push_back(uniformName);
uniformTypes.push_back(uniformType);
AddUniform(uniformName, uniformType, structs);
}
uniformLocation = _shaderText.find(UNIFORM_KEY, uniformLocation + UNIFORM_KEY.length());
}
}
