/// <summary>
/// Sets the current active material, returns true if a material switch occured
/// </summary>
/// <param name="material"></param>
public void SetActiveMaterial(Material material, bool shadow = false, bool forceswitch = false, bool noapply = false)
{
// Null check
if (material == null)
{
activematerial = null;
activematerialshadow = false;
return;
}
// Should we ignore optimisations?
if (activematerial == null || forceswitch)
{
activematerial = material;
Shader shader = shadow ? material.ShadowShader : material.Shader;
if (shader == null)
{
activematerial = null;
activematerialshadow = false;
return;
}
shader.Activate(context);
if (!noapply) material.Apply(shadow);
frame_materialswitches++;
frame_shaderswitches++;
return;
}
// Did the material change?
if (material != activematerial)
{
// Did the shader change?
Shader oldshader = shadow ? activematerial.ShadowShader : activematerial.Shader;
Shader newshader = shadow ? material.ShadowShader : material.Shader;
if (newshader == null)
{
activematerial = null;
activematerialshadow = false;
return;
}
if (oldshader != newshader)
{
// Activate new shader
newshader.Activate(context);
frame_shaderswitches++;
}
// Apply
activematerial = material;
activematerialshadow = shadow;
if (!noapply) material.Apply(shadow);
frame_materialswitches++;
}
}
