[Bf-blender-cvs] [7219abc5bd8] blender-v2.90-release: Fix T79672 EEVEE: Motion blur steps value broken after recent change

[Clément Foucault]

Commit: 7219abc5bd82048656657b715c4096e7a8756c8f
Author: Clément Foucault
Date:   Tue Aug 11 19:51:58 2020 +0200
Branches: blender-v2.90-release
https://developer.blender.org/rB7219abc5bd82048656657b715c4096e7a8756c8f

Fix T79672 EEVEE: Motion blur steps value broken after recent change

Was just an issue of `taa_render_sample` being reset to 1 when it shouldn't.

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

M       source/blender/draw/engines/eevee/eevee_effects.c
M       source/blender/draw/engines/eevee/eevee_temporal_sampling.c

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

diff --git a/source/blender/draw/engines/eevee/eevee_effects.c 
b/source/blender/draw/engines/eevee/eevee_effects.c
index f6e74c6822c..43fb8374173 100644
--- a/source/blender/draw/engines/eevee/eevee_effects.c
+++ b/source/blender/draw/engines/eevee/eevee_effects.c
@@ -147,6 +147,7 @@ void EEVEE_effects_init(EEVEE_ViewLayerData *sldata,
 
   if (!stl->effects) {
     stl->effects = MEM_callocN(sizeof(EEVEE_EffectsInfo), "EEVEE_EffectsInfo");
+    stl->effects->taa_render_sample = 1;
   }
 
   effects = stl->effects;
diff --git a/source/blender/draw/engines/eevee/eevee_temporal_sampling.c 
b/source/blender/draw/engines/eevee/eevee_temporal_sampling.c
index e184a80d2f6..01db16b1289 100644
--- a/source/blender/draw/engines/eevee/eevee_temporal_sampling.c
+++ b/source/blender/draw/engines/eevee/eevee_temporal_sampling.c
@@ -212,7 +212,9 @@ int EEVEE_temporal_sampling_init(EEVEE_ViewLayerData 
*UNUSED(sldata), EEVEE_Data
    * Reset for each "redraw". When rendering using ogl render,
    * we accumulate the redraw inside the drawing loop in eevee_draw_scene().
    **/
-  effects->taa_render_sample = 1;
+  if (DRW_state_is_opengl_render()) {
+    effects->taa_render_sample = 1;
+  }
   effects->bypass_drawing = false;
 
   EEVEE_temporal_sampling_create_view(vedata);

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