/// <summary>
/// Adds a quad or image to the current batch of unrendered quads. If there is a state change,
/// all previous quads are rendered at once, and the batch is reset. Note that the values for
/// alpha and blend mode are taken from the current render state, not the quad.
/// </summary>
public void BatchQuad(Quad quad)
{
float alpha = _stateStackTop.Alpha;
uint blendMode = _stateStackTop.BlendMode;
Matrix modelViewMatrix = _stateStackTop.ModelViewMatrix;
if (_quadBatchTop.IsStateChange(quad.Tinted, quad.Texture, alpha, quad.PremultipliedAlpha, blendMode, 1))
{
FinishQuadBatch();
}
_quadBatchTop.AddQuad(quad, alpha, blendMode, modelViewMatrix);
}