Differential D6296 Diff 20013 source/blender/gpu/shaders/material/gpu_shader_material_normal_map.glsl

Changeset View

Standalone View

	void node_normal_map(vec4 info, vec4 tangent, vec3 normal, vec3 texnormal, out vec3 outnormal)			void node_normal_map(vec4 info, vec4 tangent, vec3 normal, vec3 texnormal, out vec3 outnormal)
	{			{
	if (all(equal(tangent, vec4(0.0, 0.0, 0.0, 1.0)))) {			if (all(equal(tangent, vec4(0.0, 0.0, 0.0, 1.0)))) {
	outnormal = normal;			outnormal = normal;
	return;			return;
	}			}
	tangent *= (gl_FrontFacing ? 1.0 : -1.0);			tangent *= (gl_FrontFacing ? 1.0 : -1.0);
	vec3 B = tangent.w * cross(normal, tangent.xyz) * info.w;			vec3 B = tangent.w * cross(normal, tangent.xyz) * sign(info.w);

	outnormal = texnormal.x * tangent.xyz + texnormal.y * B + texnormal.z * normal;			outnormal = texnormal.x * tangent.xyz + texnormal.y * B + texnormal.z * normal;
	outnormal = normalize(outnormal);			outnormal = normalize(outnormal);
	}			}

	void color_to_normal_new_shading(vec3 color, out vec3 normal)			void color_to_normal_new_shading(vec3 color, out vec3 normal)
	{			{
	normal = vec3(2.0) * color - vec3(1.0);			normal = vec3(2.0) * color - vec3(1.0);
	}			}

	void color_to_blender_normal_new_shading(vec3 color, out vec3 normal)			void color_to_blender_normal_new_shading(vec3 color, out vec3 normal)
	{			{
	normal = vec3(2.0, -2.0, -2.0) * color - vec3(1.0);			normal = vec3(2.0, -2.0, -2.0) * color - vec3(1.0);
	}			}