/// <summary>
/// Binds vertex buffer source
/// </summary>
public void BindVertexBufferSource(VertexBufferSource vertexBufferSource)
{
if (_boundVertexSource != vertexBufferSource)
{
vertexBufferSource.Bind();
}
_boundVertexSource = vertexBufferSource;
}
/// <summary>
/// Changes all current states to null, so any future bind or state change will effectively skip redundant state change checks and should execute its OpenGL calls.
/// </summary>
public void Invalidate()
{
ShaderPipeline = null;
_textureUnit.Invalidate();
_currentRasterizerState = null;
_currentDepthState = null;
_currentBlendState = null;
_boundReadFramebuffer = -1;
_boundDrawFramebuffer = -1;
_boundBothFramebuffer = -1;
_boundVertexFormat = null;
_boundVertexSource = null;
_bufferBindingManager.Invalidate();
}