Buffer CircularBuffer::readAsBuffer(uint32_t nLen, uint32_t nOffset, bool from_end)
{
Buffer buffer;
std::string str = readAsString(nLen,nOffset,from_end);
if(!str.empty())
{
buffer.append(str);
}
return buffer;
}
bool CircularBuffer::readAsBuffer(Buffer &out,uint32_t nLen, uint32_t nOffset, bool from_end)
{
out.retrieveAll();
std::string str = readAsString(nLen,nOffset,from_end);
if(!str.empty())
{
out.append(str);
}
return true;
}
GLuint loadShaderProgram(const std::string& vsPath, const std::string& fsPath, const std::vector<std::string>& attributes)
{
GLuint vsID = glCreateShader(GL_VERTEX_SHADER);
GLuint fsID = glCreateShader(GL_FRAGMENT_SHADER);
// Compile Vertex Shader
std::string source = readAsString(vsPath);
char const* vsSource = source.c_str();
glShaderSource(vsID, 1, &vsSource, nullptr);
glCompileShader(vsID);
Logger::shaderErrorCheck(vsID, vsPath);
// Compile Fragment Shader
source = readAsString(fsPath);
char const* fsSource = source.c_str();
glShaderSource(fsID, 1, &fsSource, nullptr);
glCompileShader(fsID);
Logger::shaderErrorCheck(fsID, fsPath);
GLuint programID = glCreateProgram();
glAttachShader(programID, vsID);
glAttachShader(programID, fsID);
GLuint index = 0;
for (auto& attribute : attributes)
glBindAttribLocation(programID, index++, attribute.c_str());
glLinkProgram(programID);
Logger::programErrorCheck(programID, vsPath, fsPath);
glDeleteShader(vsID);
glDeleteShader(fsID);
GL_ERROR_CHECK();
return programID;
}
string Buffer::readAllAsString()
{
return readAsString(readableBytes());
}
