/// <summary>
///Called by the SceneVisitor in the pre-pass to create the correct fragment shader, whether we render forward or deferred.
/// </summary>
public void CreateFragmentShader(bool doRenderForward)
{
if (doRenderForward)
{
for (int i = 0; i < _effectPasses.Length; i++)
{
var pxBody = new List <string>()
{
LightingShard.LightStructDeclaration,
FragPropertiesShard.FixedNumberLightArray,
FragPropertiesShard.ColorOut(),
LightingShard.AssembleLightingMethods(EffectProps),
FragMainShard.ForwardLighting(EffectProps)
};
PixelShaderSrc[i] = _effectPasses[i].ProtoPS + string.Join("\n", pxBody);
}
}
else
{
for (int i = 0; i < _effectPasses.Length; i++)
{
var pxBody = new List <string>()
{
FragPropertiesShard.GBufferOut(),
FragMainShard.RenderToGBuffer(EffectProps)
};
PixelShaderSrc[i] = _effectPasses[i].ProtoPS + string.Join("\n", pxBody);
States[i].AlphaBlendEnable = false;
States[i].ZEnable = true;
}
}
}
private static string CreatePixelShader(ShaderEffectProps effectProps)
{
var pixelShader = new List <string>
{
HeaderShard.Version300Es,
HeaderShard.EsPrecisionHighpFloat,
LightingShard.LightStructDeclaration,
FragPropertiesShard.InParams(effectProps),
FragPropertiesShard.FuseeMatrixUniforms(),
FragPropertiesShard.MaterialPropsUniforms(effectProps),
FragPropertiesShard.FixedNumberLightArray,
FragPropertiesShard.ColorOut(),
LightingShard.AssembleLightingMethods(effectProps)
};
//Calculates the lighting for all lights by using the above method
pixelShader.Add(FragMainShard.ForwardLighting(effectProps));
return(string.Join("\n", pixelShader));
}
