private void DisableVertexAttribute(GraphicsContext ctx, ShaderProgram.AttributeBinding attributeBinding)
{
// Avoid rendundant buffer binding and relative vertex array setup
if (ctx.Caps.GlExtensions.VertexArrayObject_ARB && IsDirty == false)
{
#if DEBUG
// Check effective state
int vertexAttribArrayEnabled;
// Attribute enabled
Gl.GetVertexAttrib(attributeBinding.Location, Gl.VERTEX_ATTRIB_ARRAY_ENABLED, out vertexAttribArrayEnabled);
Debug.Assert(vertexAttribArrayEnabled == Gl.TRUE);
#endif
return;
}
// Enable vertex attribute
Gl.DisableVertexAttribArray(attributeBinding.Location);
}
/// <summary>
/// Disable the generic vertex attribute.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> on which the shader program is bound.
/// </param>
/// <param name="attributeBinding">
/// The <see cref="ShaderProgram.AttributeBinding"/> representing the generic vertex attribute.
/// </param>
internal virtual void DisableVertexAttribute(GraphicsContext ctx, ShaderProgram.AttributeBinding attributeBinding)
{
// Enable vertex attribute
Gl.DisableVertexAttribArray(attributeBinding.Location);
}
