[Bf-blender-cvs] [d0b0e7efed7] blender2.8: Eevee: Cleanup: Fix wrong sun area light power calculation

[Clément Foucault]

Commit: d0b0e7efed709613e53effa3e0381312310a117f
Author: Clément Foucault
Date:   Wed Nov 14 15:54:10 2018 +0100
Branches: blender2.8
https://developer.blender.org/rBd0b0e7efed709613e53effa3e0381312310a117f

Eevee: Cleanup: Fix wrong sun area light power calculation

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M	source/blender/draw/engines/eevee/eevee_lights.c

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diff --git a/source/blender/draw/engines/eevee/eevee_lights.c b/source/blender/draw/engines/eevee/eevee_lights.c
index 962cb7c2033..5336e197d02 100644
--- a/source/blender/draw/engines/eevee/eevee_lights.c
+++ b/source/blender/draw/engines/eevee/eevee_lights.c
@@ -661,8 +661,7 @@ static void eevee_light_setup(Object *ob, EEVEE_Light *evli)
 		// power = M_PI * M_PI * 0.78; /* XXX : Empirical, Fit cycles power */
 	}
 	else {
-		power = 1.0f / (4.0f * evli->radius * evli->radius * M_PI * M_PI) * /* 1/(r²*Pi) */
-		        12.5f; /* XXX : Empirical, Fit cycles power */
+		power = 1.0f / (evli->radius * evli->radius * M_PI); /* 1/(r²*Pi) */
 		/* Make illumation power closer to cycles for bigger radii. Cycles uses a cos^3 term that we cannot reproduce
 		 * so we account for that by scaling the light power. This function is the result of a rough manual fitting. */
 		power *= 1.0f + evli->radius * evli->radius * 0.5f;