From c73206acc5c6b5a53e55666a6553ee14930b1ca1 Mon Sep 17 00:00:00 2001
From: Lukas Stockner <lukas.stockner@freenet.de>
Date: Fri, 9 Jun 2017 23:02:56 +0200
Subject: Cycles: Fix denoising passes being written when they're not actually
 generated

---
 intern/cycles/blender/addon/engine.py     |  3 ++-
 intern/cycles/blender/addon/properties.py |  1 +
 intern/cycles/blender/blender_session.cpp |  9 +--------
 intern/cycles/blender/blender_sync.cpp    | 11 +++++++++--
 intern/cycles/blender/blender_sync.h      |  3 ++-
 5 files changed, 15 insertions(+), 12 deletions(-)

(limited to 'intern/cycles')

diff --git a/intern/cycles/blender/addon/engine.py b/intern/cycles/blender/addon/engine.py
index b5149b5082e..3018fd5b316 100644
--- a/intern/cycles/blender/addon/engine.py
+++ b/intern/cycles/blender/addon/engine.py
@@ -239,7 +239,8 @@ def register_passes(engine, scene, srl):
     if crl.pass_debug_bvh_intersections:       engine.register_pass(scene, srl, "Debug BVH Intersections",       1, "X", 'VALUE')
     if crl.pass_debug_ray_bounces:             engine.register_pass(scene, srl, "Debug Ray Bounces",             1, "X", 'VALUE')
 
-    if crl.use_denoising and crl.denoising_store_passes:
+    cscene = scene.cycles
+    if crl.use_denoising and crl.denoising_store_passes and not cscene.use_progressive_refine:
         engine.register_pass(scene, srl, "Denoising Normal",          3, "XYZ", 'VECTOR')
         engine.register_pass(scene, srl, "Denoising Normal Variance", 3, "XYZ", 'VECTOR')
         engine.register_pass(scene, srl, "Denoising Albedo",          3, "RGB", 'COLOR')
diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index 8bb25aba13c..127e3bd7861 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -1209,6 +1209,7 @@ class CyclesRenderLayerSettings(bpy.types.PropertyGroup):
                 name="Use Denoising",
                 description="Denoise the rendered image",
                 default=False,
+                update=update_render_passes,
                 )
         cls.denoising_diffuse_direct = BoolProperty(
                 name="Diffuse Direct",
diff --git a/intern/cycles/blender/blender_session.cpp b/intern/cycles/blender/blender_session.cpp
index c6a59577507..2b5dd5eadea 100644
--- a/intern/cycles/blender/blender_session.cpp
+++ b/intern/cycles/blender/blender_session.cpp
@@ -399,14 +399,7 @@ void BlenderSession::render()
 		BL::RenderLayer b_rlay = *b_single_rlay;
 
 		/* add passes */
-		array<Pass> passes;
-		if(session_params.device.advanced_shading) {
-			passes = sync->sync_render_passes(b_rlay, *b_layer_iter);
-		}
-		else {
-			Pass::add(PASS_COMBINED, passes);
-		}
-
+		array<Pass> passes = sync->sync_render_passes(b_rlay, *b_layer_iter, session_params);
 		buffer_params.passes = passes;
 
 		PointerRNA crl = RNA_pointer_get(&b_layer_iter->ptr, "cycles");
diff --git a/intern/cycles/blender/blender_sync.cpp b/intern/cycles/blender/blender_sync.cpp
index 41723599874..3a00384458a 100644
--- a/intern/cycles/blender/blender_sync.cpp
+++ b/intern/cycles/blender/blender_sync.cpp
@@ -553,11 +553,16 @@ int BlenderSync::get_denoising_pass(BL::RenderPass& b_pass)
 }
 
 array<Pass> BlenderSync::sync_render_passes(BL::RenderLayer& b_rlay,
-                                            BL::SceneRenderLayer& b_srlay)
+                                            BL::SceneRenderLayer& b_srlay,
+                                            const SessionParams &session_params)
 {
 	array<Pass> passes;
 	Pass::add(PASS_COMBINED, passes);
 
+	if(!session_params.device.advanced_shading) {
+		return passes;
+	}
+
 	/* loop over passes */
 	BL::RenderLayer::passes_iterator b_pass_iter;
 
@@ -572,7 +577,9 @@ array<Pass> BlenderSync::sync_render_passes(BL::RenderLayer& b_rlay,
 	}
 
 	PointerRNA crp = RNA_pointer_get(&b_srlay.ptr, "cycles");
-	if(get_boolean(crp, "denoising_store_passes")) {
+	if(get_boolean(crp, "denoising_store_passes") &&
+	   get_boolean(crp, "use_denoising") &&
+	   !session_params.progressive_refine) {
 		b_engine.add_pass("Denoising Normal",          3, "XYZ", b_srlay.name().c_str());
 		b_engine.add_pass("Denoising Normal Variance", 3, "XYZ", b_srlay.name().c_str());
 		b_engine.add_pass("Denoising Albedo",          3, "RGB", b_srlay.name().c_str());
diff --git a/intern/cycles/blender/blender_sync.h b/intern/cycles/blender/blender_sync.h
index 0950285d976..4ec46424b5a 100644
--- a/intern/cycles/blender/blender_sync.h
+++ b/intern/cycles/blender/blender_sync.h
@@ -68,7 +68,8 @@ public:
 	               const char *layer = 0);
 	void sync_render_layers(BL::SpaceView3D& b_v3d, const char *layer);
 	array<Pass> sync_render_passes(BL::RenderLayer& b_rlay,
-	                               BL::SceneRenderLayer& b_srlay);
+	                               BL::SceneRenderLayer& b_srlay,
+	                               const SessionParams &session_params);
 	void sync_integrator();
 	void sync_camera(BL::RenderSettings& b_render,
 	                 BL::Object& b_override,
-- 
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