[Bf-blender-cvs] [3fa548f9862] blender-v2.82-release: Fix T72871 Overlay: Spotlights cone is much smaller than before

[Clément Foucault]

Commit: 3fa548f986271321663c1877ee499e9724a41324
Author: Clément Foucault
Date:   Wed Jan 15 14:45:31 2020 +0100
Branches: blender-v2.82-release
https://developer.blender.org/rB3fa548f986271321663c1877ee499e9724a41324

Fix T72871 Overlay: Spotlights cone is much smaller than before

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

M	source/blender/draw/engines/overlay/overlay_extra.c

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

diff --git a/source/blender/draw/engines/overlay/overlay_extra.c b/source/blender/draw/engines/overlay/overlay_extra.c
index fbba7ce39ea..6f4fe5573ec 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@@ -637,6 +637,9 @@ void OVERLAY_light_cache_populate(OVERLAY_Data *vedata, Object *ob)
     DRW_buffer_add_entry(cb->light_sun, color, &instdata);
   }
   else if (la->type == LA_SPOT) {
+    /* Previous implementation was using the clipend distance as cone size.
+     * We cannot do this anymore so we use a fixed size of 10. (see T72871) */
+    rescale_m4(instdata.mat, (float[3]){10.0f, 10.0f, 10.0f});
     /* For cycles and eevee the spot attenuation is
      * y = (1/(1 + x^2) - a)/((1 - a) b)
      * We solve the case where spot attenuation y = 1 and y = 0