/// <summary>
/// Creates the shader program.
/// </summary>
/// <param name="gl">The gl.</param>
/// <param name="vertexShaderSource">The vertex shader source.</param>
/// <param name="fragmentShaderSource">The fragment shader source.</param>
/// <param name="attributeLocations">The attribute locations. This is an optional array of
/// uint attribute locations to their names.</param>
/// <exception cref="ShaderCompilationException"></exception>
public void Create(OpenGL gl, string vertexShaderSource, string fragmentShaderSource, string geometryShaderSource,
Dictionary <uint, string> attributeLocations)
{
// Create the shaders.
vertexShader.Create(gl, OpenGL.GL_VERTEX_SHADER, vertexShaderSource);
fragmentShader.Create(gl, OpenGL.GL_FRAGMENT_SHADER, fragmentShaderSource);
geometryShader.Create(gl, OpenGL.GL_GEOMETRY_SHADER, geometryShaderSource);
// Create the program, attach the shaders.
shaderProgramObject = gl.CreateProgram();
gl.AttachShader(shaderProgramObject, vertexShader.ShaderObject);
gl.AttachShader(shaderProgramObject, fragmentShader.ShaderObject);
gl.AttachShader(shaderProgramObject, geometryShader.ShaderObject);
// Before we link, bind any vertex attribute locations.
if (attributeLocations != null)
{
foreach (var vertexAttributeLocation in attributeLocations)
{
gl.BindAttribLocation(shaderProgramObject, vertexAttributeLocation.Key, vertexAttributeLocation.Value);
}
}
// Now we can link the program.
gl.LinkProgram(shaderProgramObject);
// Now that we've compiled and linked the shader, check it's link status. If it's not linked properly, we're
// going to throw an exception.
if (GetLinkStatus(gl) == false)
{
throw new ShaderCompilationException(string.Format("Failed to link shader program with ID {0}.", shaderProgramObject), GetInfoLog(gl));
}
}
/// <summary>
/// Creates the shader program.
/// </summary>
/// <param name="gl">The gl.</param>
/// <param name="vertexShaderSource">The vertex shader source.</param>
/// <param name="fragmentShaderSource">The fragment shader source.</param>
/// <param name="attributeLocations">The attribute locations. This is an optional array of
/// uint attribute locations to their names.</param>
/// <exception cref="ShaderCompilationException"></exception>
public void Create(OpenGL gl, string vertexShaderSource, string fragmentShaderSource,
Dictionary<uint, string> attributeLocations)
{
// Create the shaders.
vertexShader.Create(gl, OpenGL.GL_VERTEX_SHADER, vertexShaderSource);
fragmentShader.Create(gl, OpenGL.GL_FRAGMENT_SHADER, fragmentShaderSource);
// Create the program, attach the shaders.
shaderProgramObject = gl.CreateProgram();
gl.AttachShader(shaderProgramObject, vertexShader.ShaderObject);
gl.AttachShader(shaderProgramObject, fragmentShader.ShaderObject);
// Before we link, bind any vertex attribute locations.
if (attributeLocations != null)
{
foreach (var vertexAttributeLocation in attributeLocations)
gl.BindAttribLocation(shaderProgramObject, vertexAttributeLocation.Key, vertexAttributeLocation.Value);
}
// Now we can link the program.
gl.LinkProgram(shaderProgramObject);
// Now that we've compiled and linked the shader, check it's link status. If it's not linked properly, we're
// going to throw an exception.
if (GetLinkStatus(gl) == false)
{
throw new ShaderCompilationException(string.Format("Failed to link shader program with ID {0}.", shaderProgramObject), GetInfoLog(gl));
}
}
public void BindAttributeLocation(OpenGL gl, uint location, string attribute)
{
gl.BindAttribLocation(shaderProgramObject, location, attribute);
// If necessary we must call link program again as else the new attribute location isn't set.
if (linkProgramDone)
{
// Now we link the program again.
gl.LinkProgram(shaderProgramObject);
// Now that we've compiled and linked the shader, check it's link status. If it's not linked properly, we're
// going to throw an exception.
if (GetLinkStatus(gl) == false)
{
throw new ShaderCompilationException(string.Format("Failed to link shader program with ID {0}.", shaderProgramObject), GetInfoLog(gl));
}
}
}
public void BindAttributeLocation(OpenGL gl, uint location, string attribute)
{
gl.BindAttribLocation(shaderProgramObject, location, attribute);
}
public void BindAttributeLocation(OpenGL gl, uint location, string attribute)
{
gl.BindAttribLocation(shaderProgramObject, location, attribute);
}
