//--------------------------------------------------------------
// Create shader from shader program files
//--------------------------------------------------------------
bool Shader::CreateShader(const char* shadName)
{
vertShaderId = glCreateShader(GL_VERTEX_SHADER);
fragShaderId = glCreateShader(GL_FRAGMENT_SHADER);
shaderName = shadName;
string prefix("Src\\");
string suffixVert(".vs");
string suffixFrag(".fs");
string pathVertShader = prefix;
pathVertShader += shaderName;
pathVertShader += suffixVert;
//pathVertShader = prefix + shaderName + suffixVert;
string pathFragShader = prefix;
pathFragShader += shaderName;
pathFragShader += suffixFrag;
ReadSource(vertShaderId, pathVertShader.c_str());
ReadSource(fragShaderId, pathFragShader.c_str());
CompileSource(vertShaderId, "vertex");
CompileSource(fragShaderId, "fragment");
// Create the shader program object
shaderProgId = glCreateProgram();
// Attach the shader objects to the shader program object
glAttachShader(shaderProgId, vertShaderId);
glAttachShader(shaderProgId, fragShaderId);
// Delete the shader objects
glDeleteShader(vertShaderId);
glDeleteShader(fragShaderId);
// Link the shader program object to the application
glLinkProgram(shaderProgId);
GLint linked;
glGetProgramiv(shaderProgId, GL_LINK_STATUS, &linked);
if ( linked == GL_FALSE )
{
cerr << "Link error : " << shaderName.c_str() << endl;
return false;
}
PrintProgramInfoLog();
return true;
}
bool D3D12Shader::Build(const ShaderDescriptor& shaderDesc)
{
if (IsShaderSourceCode(shaderDesc.sourceType))
return CompileSource(shaderDesc);
else
return LoadBinary(shaderDesc);
}
void ShaderCode::CreateFromFile( std::string FileName, GLuint target )
{
std::cout<<"Loading from '"<<FileName<<"'.\n";
std::ifstream File ( FileName );
if ( !File.is_open())
{
std::cout<<"File '"<<FileName<<"' not found."<<std::endl;
return;
}
std::string Source;
std::string line;
while ( File.good() )
{
getline( File, line );
Source.append( line );
Source.append( "\n" );
}
CompileSource( Source, target );
}
void ShaderCode::CreateFromString( std::string Source, GLuint target )
{
CompileSource( Source, target );
}