[Bf-blender-cvs] [0f13e536696] temp-eeveelightcache: Eevee: LightCache: Fix cache validation.

[Clément Foucault]

Commit: 0f13e5366964c1eb8a62aafbaeb37383cd2da360
Author: Clément Foucault
Date:   Mon Jul 9 22:26:48 2018 +0200
Branches: temp-eeveelightcache
https://developer.blender.org/rB0f13e5366964c1eb8a62aafbaeb37383cd2da360

Eevee: LightCache: Fix cache validation.

===================================================================

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

===================================================================

diff --git a/source/blender/draw/engines/eevee/eevee_lightcache.c b/source/blender/draw/engines/eevee/eevee_lightcache.c
index cd56e14a76a..0828d7bfa93 100644
--- a/source/blender/draw/engines/eevee/eevee_lightcache.c
+++ b/source/blender/draw/engines/eevee/eevee_lightcache.c
@@ -215,13 +215,15 @@ static bool EEVEE_lightcache_validate(
         const LightCache *light_cache,
         const int cube_len,
         const int cube_res,
+        const int grid_len,
         const int irr_size[3])
 {
 	if (light_cache) {
 		/* See if we need the same amount of texture space. */
 		if ((irr_size[0] == light_cache->grid_tx.tex_size[0]) &&
 		    (irr_size[1] == light_cache->grid_tx.tex_size[1]) &&
-		    (irr_size[2] == light_cache->grid_tx.tex_size[2]))
+		    (irr_size[2] == light_cache->grid_tx.tex_size[2]) &&
+		    (grid_len != light_cache->grid_len))
 		{
 			int mip_len = (int)(floorf(log2f(cube_res)) - MIN_CUBE_LOD_LEVEL);
 			if ((cube_res == light_cache->cube_tx.tex_size[0]) &&
@@ -464,7 +466,7 @@ static void eevee_lightbake_create_resources(EEVEE_LightBake *lbake)
 
 	/* TODO validate irradiance and reflection cache independantly... */
 	if (lbake->lcache != NULL &&
-	    !EEVEE_lightcache_validate(lbake->lcache, lbake->cube_len, lbake->ref_cube_res, lbake->irr_size))
+	    !EEVEE_lightcache_validate(lbake->lcache, lbake->cube_len, lbake->ref_cube_res, lbake->grid_len, lbake->irr_size))
 	{
 		eevee->light_cache = lbake->lcache = NULL;
 	}