half4 frag(VertexToFrag i) : SV_Target
{
	MaterialData materialSurf = sampleMaterialTexture(i.materialUV.xy);
	SurfaceData data = initSurface(i.normal, i.viewDir, getBaseColor(i), materialSurf);

	half3 surface = GammaToLinear(_EmissionColor) * materialSurf.emissiveMask;
	surface += applyBRDF(data, _WorldSpaceLightPos0.xyz, GammaToLinear(_LightColor0).rgb);
	surface += getEnvironmentReflection(data, GI_GET(i, data.normal));

	return LinearToGamma(half4(surface, 1.0h));
}