[Bf-blender-cvs] [07b91c62cbc] master: Reset background alpha for probe rendering. Possibly fixes T63005.

[Alexander Court]

Commit: 07b91c62cbc8c3297fcfc5a29f6d1726807ac33e
Author: Alexander Court
Date:   Wed Apr 3 15:56:19 2019 +0200
Branches: master
https://developer.blender.org/rB07b91c62cbc8c3297fcfc5a29f6d1726807ac33e

Reset background alpha for probe rendering.
Possibly fixes T63005.

Reviewers: fclem

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D4637

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

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

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

diff --git a/source/blender/draw/engines/eevee/eevee_lightprobes.c b/source/blender/draw/engines/eevee/eevee_lightprobes.c
index 3a819460c74..90a3691f6e5 100644
--- a/source/blender/draw/engines/eevee/eevee_lightprobes.c
+++ b/source/blender/draw/engines/eevee/eevee_lightprobes.c
@@ -903,6 +903,7 @@ static void lightbake_render_scene_reflected(int layer, EEVEE_BakeRenderData *us
 	GPU_framebuffer_bind(fbl->planarref_fb);
 	GPU_framebuffer_clear_depth(fbl->planarref_fb, 1.0);
 
+	float prev_background_alpha = vedata->stl->g_data->background_alpha;
 	vedata->stl->g_data->background_alpha = 1.0f;
 
 	/* Slight modification: we handle refraction as normal
@@ -941,6 +942,8 @@ static void lightbake_render_scene_reflected(int layer, EEVEE_BakeRenderData *us
 	/* Restore */
 	txl->planar_pool = tmp_planar_pool;
 	txl->planar_depth = tmp_planar_depth;
+
+	vedata->stl->g_data->background_alpha = prev_background_alpha;
 }
 
 static void eevee_lightbake_render_scene_to_planars(