From 356dacea9095daa491d5deaa17772e7890e1a285 Mon Sep 17 00:00:00 2001
From: Karsten Weiss <>
Date: Tue, 13 Dec 2016 10:15:40 +0100
Subject: Libmv: Fix copy-paste mistake in camera intrinsic parameters

---
 intern/libmv/intern/camera_intrinsics.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'intern')

diff --git a/intern/libmv/intern/camera_intrinsics.cc b/intern/libmv/intern/camera_intrinsics.cc
index 24a34ae40bb..c9aea30b893 100644
--- a/intern/libmv/intern/camera_intrinsics.cc
+++ b/intern/libmv/intern/camera_intrinsics.cc
@@ -179,7 +179,7 @@ void libmv_cameraIntrinsicsExtractOptions(
         camera_intrinsics_options->polynomial_k2 = polynomial_intrinsics->k2();
         camera_intrinsics_options->polynomial_k3 = polynomial_intrinsics->k3();
         camera_intrinsics_options->polynomial_p1 = polynomial_intrinsics->p1();
-        camera_intrinsics_options->polynomial_p1 = polynomial_intrinsics->p2();
+        camera_intrinsics_options->polynomial_p2 = polynomial_intrinsics->p2();
         break;
       }
 
-- 
cgit v1.2.3


From 9446b6809af4a55ddd2f822fefe3c3fd8e82f40a Mon Sep 17 00:00:00 2001
From: Karsten Weiss <>
Date: Tue, 13 Dec 2016 10:16:20 +0100
Subject: Libmv: Fix typo in assert message

---
 intern/libmv/intern/camera_intrinsics.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'intern')

diff --git a/intern/libmv/intern/camera_intrinsics.cc b/intern/libmv/intern/camera_intrinsics.cc
index c9aea30b893..3b4cd1545df 100644
--- a/intern/libmv/intern/camera_intrinsics.cc
+++ b/intern/libmv/intern/camera_intrinsics.cc
@@ -195,7 +195,7 @@ void libmv_cameraIntrinsicsExtractOptions(
       }
 
     default:
-      assert(!"Uknown distortion model");
+      assert(!"Unknown distortion model");
   }
 }
 
-- 
cgit v1.2.3


From fbcd51aef86a69fb99ae5cba51da6401f6c3dca4 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 14 Dec 2016 10:44:57 +0100
Subject: Fix T50243: libmv_panography_test is broken

There was fully wrong logic in comparison: was actually accessing memory
past the array boundary. Run test manually and the figure seems correct
to me now.

Spotted by @LazyDodo, thanks!
---
 intern/libmv/libmv/multiview/panography_test.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'intern')

diff --git a/intern/libmv/libmv/multiview/panography_test.cc b/intern/libmv/libmv/multiview/panography_test.cc
index f6faf0f6022..96d52acfc3c 100644
--- a/intern/libmv/libmv/multiview/panography_test.cc
+++ b/intern/libmv/libmv/multiview/panography_test.cc
@@ -48,7 +48,7 @@ TEST(Panography, PrintSomeSharedFocalEstimationValues) {
 
   // Assert we found a valid solution.
   EXPECT_EQ(1, fs.size());
-  EXPECT_NEAR(1.01667, fs[1], 1e-3);
+  EXPECT_NEAR(3.47194, fs[0], 1e-3);
 }
 
 TEST(Panography, GetR_FixedCameraCenterWithIdentity) {
-- 
cgit v1.2.3


From 72d18c195eea7aa6be43afbda7dab584893c1882 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 7 Dec 2016 10:53:07 +0100
Subject: Cycles: Tweak curve segment (un)pack to handle more curve segments

There was 16 bits reserved for primitive type, while we only need 4.

Reviewers: brecht

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D2401
---
 intern/cycles/kernel/kernel_types.h | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

(limited to 'intern')

diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index fd961836ec9..2563f1491b1 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -550,27 +550,29 @@ typedef ccl_addr_space struct Intersection {
 /* Primitives */
 
 typedef enum PrimitiveType {
-	PRIMITIVE_NONE = 0,
-	PRIMITIVE_TRIANGLE = 1,
-	PRIMITIVE_MOTION_TRIANGLE = 2,
-	PRIMITIVE_CURVE = 4,
-	PRIMITIVE_MOTION_CURVE = 8,
-	/* Lamp primitive is not included below on purpose, since it is no real traceable primitive */
-	PRIMITIVE_LAMP = 16,
+	PRIMITIVE_NONE            = 0,
+	PRIMITIVE_TRIANGLE        = (1 << 0),
+	PRIMITIVE_MOTION_TRIANGLE = (1 << 1),
+	PRIMITIVE_CURVE           = (1 << 2),
+	PRIMITIVE_MOTION_CURVE    = (1 << 3),
+	/* Lamp primitive is not included below on purpose,
+	 * since it is no real traceable primitive.
+	 */
+	PRIMITIVE_LAMP            = (1 << 4),
 
 	PRIMITIVE_ALL_TRIANGLE = (PRIMITIVE_TRIANGLE|PRIMITIVE_MOTION_TRIANGLE),
 	PRIMITIVE_ALL_CURVE = (PRIMITIVE_CURVE|PRIMITIVE_MOTION_CURVE),
 	PRIMITIVE_ALL_MOTION = (PRIMITIVE_MOTION_TRIANGLE|PRIMITIVE_MOTION_CURVE),
 	PRIMITIVE_ALL = (PRIMITIVE_ALL_TRIANGLE|PRIMITIVE_ALL_CURVE),
 
-	/* Total number of different primitives.
+	/* Total number of different traceable primitives.
 	 * NOTE: This is an actual value, not a bitflag.
 	 */
 	PRIMITIVE_NUM_TOTAL = 4,
 } PrimitiveType;
 
-#define PRIMITIVE_PACK_SEGMENT(type, segment) ((segment << 16) | type)
-#define PRIMITIVE_UNPACK_SEGMENT(type) (type >> 16)
+#define PRIMITIVE_PACK_SEGMENT(type, segment) ((segment << PRIMITIVE_NUM_TOTAL) | (type))
+#define PRIMITIVE_UNPACK_SEGMENT(type) (type >> PRIMITIVE_NUM_TOTAL)
 
 /* Attributes */
 
-- 
cgit v1.2.3


From c4d6fd3ec04a93376d08e7baa89846732c01ec04 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Tue, 6 Dec 2016 15:57:16 +0100
Subject: Cycles: Consider GGX/Beckmann/Ashikhmin of 0 roughness a singular ray

This matches behavior of Multiscatter GGX and could become handy later on
when/if we decide it would be beneficial to replace on closure with another.

Reviewers: lukasstockner97, brecht

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D2413
---
 intern/cycles/kernel/closure/bsdf_ashikhmin_shirley.h |  4 +++-
 intern/cycles/kernel/closure/bsdf_microfacet.h        | 16 ++++++++++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'intern')

diff --git a/intern/cycles/kernel/closure/bsdf_ashikhmin_shirley.h b/intern/cycles/kernel/closure/bsdf_ashikhmin_shirley.h
index 1cd8246aa71..b6c896c754b 100644
--- a/intern/cycles/kernel/closure/bsdf_ashikhmin_shirley.h
+++ b/intern/cycles/kernel/closure/bsdf_ashikhmin_shirley.h
@@ -143,6 +143,7 @@ ccl_device int bsdf_ashikhmin_shirley_sample(const ShaderClosure *sc, float3 Ng,
 {
 	const MicrofacetBsdf *bsdf = (const MicrofacetBsdf*)sc;
 	float3 N = bsdf->N;
+	int label = LABEL_REFLECT | LABEL_GLOSSY;
 
 	float NdotI = dot(N, I);
 	if(NdotI > 0.0f) {
@@ -211,6 +212,7 @@ ccl_device int bsdf_ashikhmin_shirley_sample(const ShaderClosure *sc, float3 Ng,
 			/* Some high number for MIS. */
 			*pdf = 1e6f;
 			*eval = make_float3(1e6f, 1e6f, 1e6f);
+			label = LABEL_REFLECT | LABEL_SINGULAR;
 		}
 		else {
 			/* leave the rest to eval_reflect */
@@ -224,7 +226,7 @@ ccl_device int bsdf_ashikhmin_shirley_sample(const ShaderClosure *sc, float3 Ng,
 #endif
 	}
 
-	return LABEL_REFLECT|LABEL_GLOSSY;
+	return label;
 }
 
 
diff --git a/intern/cycles/kernel/closure/bsdf_microfacet.h b/intern/cycles/kernel/closure/bsdf_microfacet.h
index 0a8d14a00c2..72fffe6ff69 100644
--- a/intern/cycles/kernel/closure/bsdf_microfacet.h
+++ b/intern/cycles/kernel/closure/bsdf_microfacet.h
@@ -452,6 +452,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 	float alpha_y = bsdf->alpha_y;
 	bool m_refractive = bsdf->type == CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID;
 	float3 N = bsdf->N;
+	int label;
 
 	float cosNO = dot(N, I);
 	if(cosNO > 0) {
@@ -477,6 +478,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 		/* reflection or refraction? */
 		if(!m_refractive) {
 			float cosMO = dot(m, I);
+			label = LABEL_REFLECT | LABEL_GLOSSY;
 
 			if(cosMO > 0) {
 				/* eq. 39 - compute actual reflected direction */
@@ -487,6 +489,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 						/* some high number for MIS */
 						*pdf = 1e6f;
 						*eval = make_float3(1e6f, 1e6f, 1e6f);
+						label = LABEL_REFLECT | LABEL_SINGULAR;
 					}
 					else {
 						/* microfacet normal is visible to this ray */
@@ -549,6 +552,8 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 			}
 		}
 		else {
+			label = LABEL_TRANSMIT | LABEL_GLOSSY;
+
 			/* CAUTION: the i and o variables are inverted relative to the paper
 			 * eq. 39 - compute actual refractive direction */
 			float3 R, T;
@@ -576,6 +581,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 					/* some high number for MIS */
 					*pdf = 1e6f;
 					*eval = make_float3(1e6f, 1e6f, 1e6f);
+					label = LABEL_TRANSMIT | LABEL_SINGULAR;
 				}
 				else {
 					/* eq. 33 */
@@ -607,7 +613,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 			}
 		}
 	}
-	return (m_refractive) ? LABEL_TRANSMIT|LABEL_GLOSSY : LABEL_REFLECT|LABEL_GLOSSY;
+	return label;
 }
 
 /* Beckmann microfacet with Smith shadow-masking from:
@@ -815,6 +821,7 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 	float alpha_y = bsdf->alpha_y;
 	bool m_refractive = bsdf->type == CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID;
 	float3 N = bsdf->N;
+	int label;
 
 	float cosNO = dot(N, I);
 	if(cosNO > 0) {
@@ -839,6 +846,7 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 
 		/* reflection or refraction? */
 		if(!m_refractive) {
+			label = LABEL_REFLECT | LABEL_GLOSSY;
 			float cosMO = dot(m, I);
 
 			if(cosMO > 0) {
@@ -850,6 +858,7 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 						/* some high number for MIS */
 						*pdf = 1e6f;
 						*eval = make_float3(1e6f, 1e6f, 1e6f);
+						label = LABEL_REFLECT | LABEL_SINGULAR;
 					}
 					else {
 						/* microfacet normal is visible to this ray
@@ -904,6 +913,8 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 			}
 		}
 		else {
+			label = LABEL_TRANSMIT | LABEL_GLOSSY;
+
 			/* CAUTION: the i and o variables are inverted relative to the paper
 			 * eq. 39 - compute actual refractive direction */
 			float3 R, T;
@@ -931,6 +942,7 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 					/* some high number for MIS */
 					*pdf = 1e6f;
 					*eval = make_float3(1e6f, 1e6f, 1e6f);
+					label = LABEL_TRANSMIT | LABEL_SINGULAR;
 				}
 				else {
 					/* eq. 33 */
@@ -963,7 +975,7 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 			}
 		}
 	}
-	return (m_refractive) ? LABEL_TRANSMIT|LABEL_GLOSSY : LABEL_REFLECT|LABEL_GLOSSY;
+	return label;
 }
 
 CCL_NAMESPACE_END
-- 
cgit v1.2.3


From 696721648558aef94e8488dbef13eff758abdf08 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 14 Dec 2016 12:47:28 +0100
Subject: Cycles: Fix indendation

---
 intern/cycles/blender/blender_object.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'intern')

diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp
index 681a22e1f07..22cc4e6f030 100644
--- a/intern/cycles/blender/blender_object.cpp
+++ b/intern/cycles/blender/blender_object.cpp
@@ -148,8 +148,8 @@ public:
 		BL::Array<float, 24> boundbox = b_ob.bound_box();
 		for(int i = 0; i < 8; ++i) {
 			float3 p = make_float3(boundbox[3 * i + 0],
-								   boundbox[3 * i + 1],
-								   boundbox[3 * i + 2]);
+			                       boundbox[3 * i + 1],
+			                       boundbox[3 * i + 2]);
 			bb[i] = transform_point(&tfm, p);
 		}
 
@@ -203,7 +203,7 @@ private:
 	{
 		float3 camera_position = transform_get_column(&scene->camera->matrix, 3);
 		float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
-			   bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+		       bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
 
 		/* Find min & max points for x & y & z on bounding box */
 		for(int i = 0; i < 8; ++i) {
-- 
cgit v1.2.3


From 91bbffd37942f3c71b065b3c1365c771e1939f45 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 14 Dec 2016 13:01:33 +0100
Subject: Cycles: Move object culling helper to own files

This is a stand-alone logic, which becomes quite comprehensive now.
---
 intern/cycles/blender/CMakeLists.txt          |   2 +
 intern/cycles/blender/blender_object.cpp      | 138 +-----------------------
 intern/cycles/blender/blender_object_cull.cpp | 149 ++++++++++++++++++++++++++
 intern/cycles/blender/blender_object_cull.h   |  49 +++++++++
 4 files changed, 201 insertions(+), 137 deletions(-)
 create mode 100644 intern/cycles/blender/blender_object_cull.cpp
 create mode 100644 intern/cycles/blender/blender_object_cull.h

(limited to 'intern')

diff --git a/intern/cycles/blender/CMakeLists.txt b/intern/cycles/blender/CMakeLists.txt
index a79deca53e1..b57502b3b14 100644
--- a/intern/cycles/blender/CMakeLists.txt
+++ b/intern/cycles/blender/CMakeLists.txt
@@ -25,6 +25,7 @@ set(SRC
 	blender_camera.cpp
 	blender_mesh.cpp
 	blender_object.cpp
+	blender_object_cull.cpp
 	blender_particles.cpp
 	blender_curves.cpp
 	blender_logging.cpp
@@ -35,6 +36,7 @@ set(SRC
 	blender_texture.cpp
 
 	CCL_api.h
+	blender_object_cull.h
 	blender_sync.h
 	blender_session.h
 	blender_texture.h
diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp
index 22cc4e6f030..637cf7abda8 100644
--- a/intern/cycles/blender/blender_object.cpp
+++ b/intern/cycles/blender/blender_object.cpp
@@ -25,6 +25,7 @@
 #include "particles.h"
 #include "shader.h"
 
+#include "blender_object_cull.h"
 #include "blender_sync.h"
 #include "blender_util.h"
 
@@ -88,143 +89,6 @@ static uint object_ray_visibility(BL::Object& b_ob)
 	return flag;
 }
 
-/* Culling */
-
-class BlenderObjectCulling
-{
-public:
-	BlenderObjectCulling(Scene *scene, BL::Scene& b_scene)
-	: use_scene_camera_cull(false),
-	  use_camera_cull(false),
-	  camera_cull_margin(0.0f),
-	  use_scene_distance_cull(false),
-	  use_distance_cull(false),
-	  distance_cull_margin(0.0f)
-	{
-		if(b_scene.render().use_simplify()) {
-			PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
-
-			use_scene_camera_cull = scene->camera->type != CAMERA_PANORAMA &&
-									!b_scene.render().use_multiview() &&
-									get_boolean(cscene, "use_camera_cull");
-			use_scene_distance_cull = scene->camera->type != CAMERA_PANORAMA &&
-									  !b_scene.render().use_multiview() &&
-									  get_boolean(cscene, "use_distance_cull");
-
-			camera_cull_margin = get_float(cscene, "camera_cull_margin");
-			distance_cull_margin = get_float(cscene, "distance_cull_margin");
-
-			if (distance_cull_margin == 0.0f) {
-				use_scene_distance_cull = false;
-			}
-		}
-	}
-
-	void init_object(Scene *scene, BL::Object& b_ob)
-	{
-		if(!use_scene_camera_cull && !use_scene_distance_cull) {
-			return;
-		}
-
-		PointerRNA cobject = RNA_pointer_get(&b_ob.ptr, "cycles");
-
-		use_camera_cull = use_scene_camera_cull && get_boolean(cobject, "use_camera_cull");
-		use_distance_cull = use_scene_distance_cull && get_boolean(cobject, "use_distance_cull");
-
-		if(use_camera_cull || use_distance_cull) {
-			/* Need to have proper projection matrix. */
-			scene->camera->update();
-		}
-	}
-
-	bool test(Scene *scene, BL::Object& b_ob, Transform& tfm)
-	{
-		if(!use_camera_cull && !use_distance_cull) {
-			return false;
-		}
-
-		/* Compute world space bounding box corners. */
-		float3 bb[8];
-		BL::Array<float, 24> boundbox = b_ob.bound_box();
-		for(int i = 0; i < 8; ++i) {
-			float3 p = make_float3(boundbox[3 * i + 0],
-			                       boundbox[3 * i + 1],
-			                       boundbox[3 * i + 2]);
-			bb[i] = transform_point(&tfm, p);
-		}
-
-		bool camera_culled = use_camera_cull && test_camera(scene, bb);
-		bool distance_culled = use_distance_cull && test_distance(scene, bb);
-
-		return ((camera_culled && distance_culled) ||
-		        (camera_culled && !use_distance_cull) ||
-		        (distance_culled && !use_camera_cull));
-	}
-
-private:
-	/* TODO(sergey): Not really optimal, consider approaches based on k-DOP in order
-	 * to reduce number of objects which are wrongly considered visible.
-	 */
-	bool test_camera(Scene *scene, float3 bb[8])
-	{
-		Camera *cam = scene->camera;
-		Transform& worldtondc = cam->worldtondc;
-		float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
-			   bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
-		bool all_behind = true;
-		for(int i = 0; i < 8; ++i) {
-			float3 p = bb[i];
-			float4 b = make_float4(p.x, p.y, p.z, 1.0f);
-			float4 c = make_float4(dot(worldtondc.x, b),
-			                       dot(worldtondc.y, b),
-			                       dot(worldtondc.z, b),
-			                       dot(worldtondc.w, b));
-			p = float4_to_float3(c / c.w);
-			if(c.z < 0.0f) {
-				p.x = 1.0f - p.x;
-				p.y = 1.0f - p.y;
-			}
-			if(c.z >= -camera_cull_margin) {
-				all_behind = false;
-			}
-			bb_min = min(bb_min, p);
-			bb_max = max(bb_max, p);
-		}
-		if(all_behind) {
-			return true;
-		}
-		return (bb_min.x >= 1.0f + camera_cull_margin ||
-		        bb_min.y >= 1.0f + camera_cull_margin ||
-		        bb_max.x <= -camera_cull_margin ||
-		        bb_max.y <= -camera_cull_margin);
-	}
-
-	bool test_distance(Scene *scene, float3 bb[8])
-	{
-		float3 camera_position = transform_get_column(&scene->camera->matrix, 3);
-		float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
-		       bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
-
-		/* Find min & max points for x & y & z on bounding box */
-		for(int i = 0; i < 8; ++i) {
-			float3 p = bb[i];
-			bb_min = min(bb_min, p);
-			bb_max = max(bb_max, p);
-		}
-
-		float3 closest_point = max(min(bb_max,camera_position),bb_min);
-		return (len_squared(camera_position - closest_point) >
-		        distance_cull_margin * distance_cull_margin);
-	}
-
-	bool use_scene_camera_cull;
-	bool use_camera_cull;
-	float camera_cull_margin;
-	bool use_scene_distance_cull;
-	bool use_distance_cull;
-	float distance_cull_margin;
-};
-
 /* Light */
 
 void BlenderSync::sync_light(BL::Object& b_parent,
diff --git a/intern/cycles/blender/blender_object_cull.cpp b/intern/cycles/blender/blender_object_cull.cpp
new file mode 100644
index 00000000000..b8582df0f93
--- /dev/null
+++ b/intern/cycles/blender/blender_object_cull.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2011-2016 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cstdlib>
+
+#include "camera.h"
+
+#include "blender_object_cull.h"
+
+CCL_NAMESPACE_BEGIN
+
+BlenderObjectCulling::BlenderObjectCulling(Scene *scene, BL::Scene& b_scene)
+        : use_scene_camera_cull_(false),
+          use_camera_cull_(false),
+          camera_cull_margin_(0.0f),
+          use_scene_distance_cull_(false),
+          use_distance_cull_(false),
+          distance_cull_margin_(0.0f)
+{
+	if(b_scene.render().use_simplify()) {
+		PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
+
+		use_scene_camera_cull_ = scene->camera->type != CAMERA_PANORAMA &&
+		                         !b_scene.render().use_multiview() &&
+		                         get_boolean(cscene, "use_camera_cull");
+		use_scene_distance_cull_ = scene->camera->type != CAMERA_PANORAMA &&
+		                           !b_scene.render().use_multiview() &&
+		                           get_boolean(cscene, "use_distance_cull");
+
+		camera_cull_margin_ = get_float(cscene, "camera_cull_margin");
+		distance_cull_margin_ = get_float(cscene, "distance_cull_margin");
+
+		if (distance_cull_margin_ == 0.0f) {
+			use_scene_distance_cull_ = false;
+		}
+	}
+}
+
+void BlenderObjectCulling::init_object(Scene *scene, BL::Object& b_ob)
+{
+	if(!use_scene_camera_cull_ && !use_scene_distance_cull_) {
+		return;
+	}
+
+	PointerRNA cobject = RNA_pointer_get(&b_ob.ptr, "cycles");
+
+	use_camera_cull_ = use_scene_camera_cull_ && get_boolean(cobject, "use_camera_cull");
+	use_distance_cull_ = use_scene_distance_cull_ && get_boolean(cobject, "use_distance_cull");
+
+	if(use_camera_cull_ || use_distance_cull_) {
+		/* Need to have proper projection matrix. */
+		scene->camera->update();
+	}
+}
+
+bool BlenderObjectCulling::test(Scene *scene, BL::Object& b_ob, Transform& tfm)
+{
+	if(!use_camera_cull_ && !use_distance_cull_) {
+		return false;
+	}
+
+	/* Compute world space bounding box corners. */
+	float3 bb[8];
+	BL::Array<float, 24> boundbox = b_ob.bound_box();
+	for(int i = 0; i < 8; ++i) {
+		float3 p = make_float3(boundbox[3 * i + 0],
+		                       boundbox[3 * i + 1],
+		                       boundbox[3 * i + 2]);
+		bb[i] = transform_point(&tfm, p);
+	}
+
+	bool camera_culled = use_camera_cull_ && test_camera(scene, bb);
+	bool distance_culled = use_distance_cull_ && test_distance(scene, bb);
+
+	return ((camera_culled && distance_culled) ||
+	        (camera_culled && !use_distance_cull_) ||
+	        (distance_culled && !use_camera_cull_));
+}
+
+/* TODO(sergey): Not really optimal, consider approaches based on k-DOP in order
+ * to reduce number of objects which are wrongly considered visible.
+ */
+bool BlenderObjectCulling::test_camera(Scene *scene, float3 bb[8])
+{
+	Camera *cam = scene->camera;
+	Transform& worldtondc = cam->worldtondc;
+	float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
+	       bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+	bool all_behind = true;
+	for(int i = 0; i < 8; ++i) {
+		float3 p = bb[i];
+		float4 b = make_float4(p.x, p.y, p.z, 1.0f);
+		float4 c = make_float4(dot(worldtondc.x, b),
+		                       dot(worldtondc.y, b),
+		                       dot(worldtondc.z, b),
+		                       dot(worldtondc.w, b));
+		p = float4_to_float3(c / c.w);
+		if(c.z < 0.0f) {
+			p.x = 1.0f - p.x;
+			p.y = 1.0f - p.y;
+		}
+		if(c.z >= -camera_cull_margin_) {
+			all_behind = false;
+		}
+		bb_min = min(bb_min, p);
+		bb_max = max(bb_max, p);
+	}
+	if(all_behind) {
+		return true;
+	}
+	return (bb_min.x >= 1.0f + camera_cull_margin_ ||
+	        bb_min.y >= 1.0f + camera_cull_margin_ ||
+	        bb_max.x <= -camera_cull_margin_ ||
+	        bb_max.y <= -camera_cull_margin_);
+}
+
+bool BlenderObjectCulling::test_distance(Scene *scene, float3 bb[8])
+{
+	float3 camera_position = transform_get_column(&scene->camera->matrix, 3);
+	float3 bb_min = make_float3(FLT_MAX, FLT_MAX, FLT_MAX),
+	       bb_max = make_float3(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+
+	/* Find min & max points for x & y & z on bounding box */
+	for(int i = 0; i < 8; ++i) {
+		float3 p = bb[i];
+		bb_min = min(bb_min, p);
+		bb_max = max(bb_max, p);
+	}
+
+	float3 closest_point = max(min(bb_max,camera_position),bb_min);
+	return (len_squared(camera_position - closest_point) >
+	        distance_cull_margin_ * distance_cull_margin_);
+}
+
+CCL_NAMESPACE_END
+
diff --git a/intern/cycles/blender/blender_object_cull.h b/intern/cycles/blender/blender_object_cull.h
new file mode 100644
index 00000000000..b6f0ca5cd31
--- /dev/null
+++ b/intern/cycles/blender/blender_object_cull.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2011-2016 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __BLENDER_OBJECT_CULL_H__
+#define __BLENDER_OBJECT_CULL_H__
+
+#include "blender_sync.h"
+#include "util_types.h"
+
+CCL_NAMESPACE_BEGIN
+
+class Scene;
+
+class BlenderObjectCulling
+{
+public:
+	BlenderObjectCulling(Scene *scene, BL::Scene& b_scene);
+
+	void init_object(Scene *scene, BL::Object& b_ob);
+	bool test(Scene *scene, BL::Object& b_ob, Transform& tfm);
+
+private:
+	bool test_camera(Scene *scene, float3 bb[8]);
+	bool test_distance(Scene *scene, float3 bb[8]);
+
+	bool use_scene_camera_cull_;
+	bool use_camera_cull_;
+	float camera_cull_margin_;
+	bool use_scene_distance_cull_;
+	bool use_distance_cull_;
+	float distance_cull_margin_;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __BLENDER_OBJECT_CULL_H__ */
-- 
cgit v1.2.3


From 525673b37b1718bf9973eecf1ec467d538a99607 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 14 Dec 2016 17:30:50 +0100
Subject: Cycles: Fix uninitialized variable issue after recent changes

---
 intern/cycles/kernel/closure/bsdf_microfacet.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'intern')

diff --git a/intern/cycles/kernel/closure/bsdf_microfacet.h b/intern/cycles/kernel/closure/bsdf_microfacet.h
index 72fffe6ff69..4a1316fd2a9 100644
--- a/intern/cycles/kernel/closure/bsdf_microfacet.h
+++ b/intern/cycles/kernel/closure/bsdf_microfacet.h
@@ -613,6 +613,9 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure
 			}
 		}
 	}
+	else {
+		label = (m_refractive) ? LABEL_TRANSMIT|LABEL_GLOSSY : LABEL_REFLECT|LABEL_GLOSSY;
+	}
 	return label;
 }
 
@@ -975,6 +978,9 @@ ccl_device int bsdf_microfacet_beckmann_sample(KernelGlobals *kg, const ShaderCl
 			}
 		}
 	}
+	else {
+		label = (m_refractive) ? LABEL_TRANSMIT|LABEL_GLOSSY : LABEL_REFLECT|LABEL_GLOSSY;
+	}
 	return label;
 }
 
-- 
cgit v1.2.3


From 820709c14d3917db86c6c392df75a32d52c53ca2 Mon Sep 17 00:00:00 2001
From: Karsten Weiss <>
Date: Thu, 15 Dec 2016 12:56:48 +1100
Subject: Fix STR_String Capitalize on non Win32

Harmless since its not used, but good to fix.
---
 intern/string/intern/STR_String.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'intern')

diff --git a/intern/string/intern/STR_String.cpp b/intern/string/intern/STR_String.cpp
index 4ea451311e4..4612c91b6a6 100644
--- a/intern/string/intern/STR_String.cpp
+++ b/intern/string/intern/STR_String.cpp
@@ -545,9 +545,9 @@ STR_String& STR_String::Capitalize()
 	if (this->m_len > 1) _strlwr(this->m_data + 1);
 #else
 	if (this->m_len > 0)
-		this->m_data[0] = (this->m_data[0] >= 'A' && this->m_data[0] <= 'A') ? this->m_data[0] + 'a' - 'A' : this->m_data[0];
+		this->m_data[0] = (this->m_data[0] >= 'a' && this->m_data[0] <= 'z') ? this->m_data[0] + 'A' - 'a' : this->m_data[0];
 	for (int i = 1; i < this->m_len; i++)
-		this->m_data[i] = (this->m_data[i] >= 'a' && this->m_data[i] <= 'z') ? this->m_data[i] + 'A' - 'a' : this->m_data[i];
+		this->m_data[i] = (this->m_data[i] >= 'A' && this->m_data[i] <= 'Z') ? this->m_data[i] + 'a' - 'A' : this->m_data[i];
 #endif
 	return *this;
 }
-- 
cgit v1.2.3