Differential D15852 Diff 55231 source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl

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source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl

Show First 20 Lines • Show All 143 Lines • ▼ Show 20 Lines	void node_bsdf_principled(vec4 base_color,
float btdf = (do_multiscatter != 0.0) ? 1.0 : btdf_lut(NV, roughness, ior).x;		float btdf = (do_multiscatter != 0.0) ? 1.0 : btdf_lut(NV, roughness, ior).x;

refraction_data.color = base_color.rgb * btdf;		refraction_data.color = base_color.rgb * btdf;
refraction_data.N = N;		refraction_data.N = N;
refraction_data.roughness = do_multiscatter != 0.0 ? roughness :		refraction_data.roughness = do_multiscatter != 0.0 ? roughness :
max(roughness, transmission_roughness);		max(roughness, transmission_roughness);
refraction_data.ior = ior;		refraction_data.ior = ior;

		/* Ref. T98190: Defines are optimizations for old compilers.
		* Might become unecessary with EEVEE-Next. */
if (do_diffuse == 0.0 && do_refraction == 0.0 && do_clearcoat != 0.0) {		if (do_diffuse == 0.0 && do_refraction == 0.0 && do_clearcoat != 0.0) {
		#ifdef PRINCIPLED_CLEARCOAT
/* Metallic & Clearcoat case. */		/* Metallic & Clearcoat case. */
result = closure_eval(reflection_data, clearcoat_data);		result = closure_eval(reflection_data, clearcoat_data);
		#endif
}		}
else if (do_diffuse == 0.0 && do_refraction == 0.0 && do_clearcoat == 0.0) {		else if (do_diffuse == 0.0 && do_refraction == 0.0 && do_clearcoat == 0.0) {
		#ifdef PRINCIPLED_METALLIC
/* Metallic case. */		/* Metallic case. */
result = closure_eval(reflection_data);		result = closure_eval(reflection_data);
		#endif
}		}
else if (do_diffuse != 0.0 && do_refraction == 0.0 && do_clearcoat == 0.0) {		else if (do_diffuse != 0.0 && do_refraction == 0.0 && do_clearcoat == 0.0) {
		#ifdef PRINCIPLED_DIELECTRIC
/* Dielectric case. */		/* Dielectric case. */
result = closure_eval(diffuse_data, reflection_data);		result = closure_eval(diffuse_data, reflection_data);
		#endif
}		}
else if (do_diffuse == 0.0 && do_refraction != 0.0 && do_clearcoat == 0.0) {		else if (do_diffuse == 0.0 && do_refraction != 0.0 && do_clearcoat == 0.0) {
		#ifdef PRINCIPLED_GLASS
/* Glass case. */		/* Glass case. */
result = closure_eval(reflection_data, refraction_data);		result = closure_eval(reflection_data, refraction_data);
		#endif
}		}
else {		else {
		#ifdef PRINCIPLED_ANY
/* Un-optimized case. */		/* Un-optimized case. */
result = closure_eval(diffuse_data, reflection_data, clearcoat_data, refraction_data);		result = closure_eval(diffuse_data, reflection_data, clearcoat_data, refraction_data);
		#endif
}		}
Closure emission_cl = closure_eval(emission_data);		Closure emission_cl = closure_eval(emission_data);
Closure transparency_cl = closure_eval(transparency_data);		Closure transparency_cl = closure_eval(transparency_data);
result = closure_add(result, emission_cl);		result = closure_add(result, emission_cl);
result = closure_add(result, transparency_cl);		result = closure_add(result, transparency_cl);
}		}