Differential D11428 Diff 37616 source/blender/draw/intern/shaders/common_math_lib.glsl

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source/blender/draw/intern/shaders/common_math_lib.glsl

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	float avg(vec2 v) { return dot(vec2(1.0 / 2.0), v); }			float avg(vec2 v) { return dot(vec2(1.0 / 2.0), v); }
	float avg(vec3 v) { return dot(vec3(1.0 / 3.0), v); }			float avg(vec3 v) { return dot(vec3(1.0 / 3.0), v); }
	float avg(vec4 v) { return dot(vec4(1.0 / 4.0), v); }			float avg(vec4 v) { return dot(vec4(1.0 / 4.0), v); }

	float safe_rcp(float a) { return (a != 0.0) ? (1.0 / a) : 0.0; }			float safe_rcp(float a) { return (a != 0.0) ? (1.0 / a) : 0.0; }
	vec2 safe_rcp(vec2 a) { return mix(vec2(0.0), (1.0 / a), notEqual(a, vec2(0.0))); }			vec2 safe_rcp(vec2 a) { return mix(vec2(0.0), (1.0 / a), notEqual(a, vec2(0.0))); }
	vec4 safe_rcp(vec4 a) { return mix(vec4(0.0), (1.0 / a), notEqual(a, vec4(0.0))); }			vec4 safe_rcp(vec4 a) { return mix(vec4(0.0), (1.0 / a), notEqual(a, vec4(0.0))); }

				float safe_sqrt(float a) { return sqrt(max(a, 0.0)); }

	float sqr(float a) { return a * a; }			float sqr(float a) { return a * a; }
	vec2 sqr(vec2 a) { return a * a; }			vec2 sqr(vec2 a) { return a * a; }
	vec3 sqr(vec3 a) { return a * a; }			vec3 sqr(vec3 a) { return a * a; }
	vec4 sqr(vec4 a) { return a * a; }			vec4 sqr(vec4 a) { return a * a; }

	/* Use manual powers for fixed powers. pow() can have unpredicatble results on some implementations.			/* Use manual powers for fixed powers. pow() can have unpredicatble results on some implementations.
	* (see T87369, T87541) */			* (see T87369, T87541) */
	float pow6(float x) { return sqr(sqr(x) * x); }			float pow6(float x) { return sqr(sqr(x) * x); }
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