[Bf-blender-cvs] [91688e1] cycles_panorama_experiments: Cycles: Use separate values for merge start and end angles

Sergey Sharybin noreply at git.blender.org
Fri May 6 17:40:56 CEST 2016


Commit: 91688e1173af1b984f21f8704bb7585b85d5338f
Author: Sergey Sharybin
Date:   Fri May 6 17:40:28 2016 +0200
Branches: cycles_panorama_experiments
https://developer.blender.org/rB91688e1173af1b984f21f8704bb7585b85d5338f

Cycles: Use separate values for merge start and end angles

It's handy to merge eyes before reaching the zenith.

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

M	intern/cycles/blender/blender_camera.cpp
M	intern/cycles/kernel/kernel_projection.h
M	intern/cycles/kernel/kernel_types.h
M	intern/cycles/render/camera.cpp
M	intern/cycles/render/camera.h
M	release/scripts/startup/bl_ui/properties_data_camera.py
M	source/blender/makesdna/DNA_camera_types.h
M	source/blender/makesrna/intern/rna_camera.c

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

diff --git a/intern/cycles/blender/blender_camera.cpp b/intern/cycles/blender/blender_camera.cpp
index 16aab18..9dec489 100644
--- a/intern/cycles/blender/blender_camera.cpp
+++ b/intern/cycles/blender/blender_camera.cpp
@@ -66,7 +66,8 @@ struct BlenderCamera {
 	float interocular_distance;
 	float convergence_distance;
 	bool use_pole_merge;
-	float pole_merge_angle;
+	float pole_merge_angle_from;
+	float pole_merge_angle_to;
 
 	enum { AUTO, HORIZONTAL, VERTICAL } sensor_fit;
 	float sensor_width;
@@ -186,7 +187,8 @@ static void blender_camera_from_object(BlenderCamera *bcam,
 		bcam->use_spherical_stereo = b_engine.use_spherical_stereo(b_ob);
 
 		bcam->use_pole_merge = b_camera.stereo().use_pole_merge();
-		bcam->pole_merge_angle = b_camera.stereo().pole_merge_angle();
+		bcam->pole_merge_angle_from = b_camera.stereo().pole_merge_angle_from();
+		bcam->pole_merge_angle_to = b_camera.stereo().pole_merge_angle_to();
 
 		bcam->ortho_scale = b_camera.ortho_scale();
 
@@ -433,7 +435,8 @@ static void blender_camera_sync(Camera *cam, BlenderCamera *bcam, int width, int
 	}
 
 	cam->use_pole_merge = bcam->use_pole_merge;
-	cam->pole_merge_angle = bcam->pole_merge_angle;
+	cam->pole_merge_angle_from = bcam->pole_merge_angle_from;
+	cam->pole_merge_angle_to = bcam->pole_merge_angle_to;
 
 	/* anamorphic lens bokeh */
 	cam->aperture_ratio = bcam->aperture_ratio;
diff --git a/intern/cycles/kernel/kernel_projection.h b/intern/cycles/kernel/kernel_projection.h
index 18209b5..1d2fd33 100644
--- a/intern/cycles/kernel/kernel_projection.h
+++ b/intern/cycles/kernel/kernel_projection.h
@@ -460,10 +460,14 @@ ccl_device float3 spherical_stereo_position(KernelGlobals *kg,
 	}
 
 	if(kernel_data.cam.use_pole_merge) {
-		const float pole_merge_angle = kernel_data.cam.pole_merge_angle;
+		const float pole_merge_angle_from = kernel_data.cam.pole_merge_angle_from,
+		            pole_merge_angle_to = kernel_data.cam.pole_merge_angle_to;
 		float altitude = fabsf(safe_asinf(dir.z));
-		if(altitude > pole_merge_angle) {
-			float fac = (altitude - pole_merge_angle) / (M_PI_2_F - pole_merge_angle);
+		if(altitude > pole_merge_angle_to) {
+			interocular_offset = 0.0f;
+		}
+		else if(altitude > pole_merge_angle_from) {
+			float fac = (altitude - pole_merge_angle_from) / (pole_merge_angle_to - pole_merge_angle_from);
 			float fade = cosf(fac * M_PI_2_F);
 			interocular_offset *= fade;
 		}
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index dfab775..557da42 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -905,7 +905,9 @@ typedef struct KernelCamera {
 	float interocular_offset;
 	float convergence_distance;
 	int use_pole_merge;
-	float pole_merge_angle;
+	float pole_merge_angle_from;
+	float pole_merge_angle_to;
+	float pad1;
 
 	/* matrices */
 	Transform cameratoworld;
diff --git a/intern/cycles/render/camera.cpp b/intern/cycles/render/camera.cpp
index 5a95931..52a5a82 100644
--- a/intern/cycles/render/camera.cpp
+++ b/intern/cycles/render/camera.cpp
@@ -77,7 +77,8 @@ Camera::Camera()
 	interocular_distance = 0.065f;
 	convergence_distance = 30.0f * 0.065f;
 	use_pole_merge = false;
-	pole_merge_angle = M_PI_F / 4.0f;
+	pole_merge_angle_from = M_PI_F / 4.0f;
+	pole_merge_angle_to = 2 * M_PI_F / 3.0f;
 
 	sensorwidth = 0.036f;
 	sensorheight = 0.024f;
@@ -373,7 +374,8 @@ void Camera::device_update(Device *device, DeviceScene *dscene, Scene *scene)
 
 	kcam->convergence_distance = convergence_distance;
 	kcam->use_pole_merge = use_pole_merge;
-	kcam->pole_merge_angle = pole_merge_angle;
+	kcam->pole_merge_angle_from = pole_merge_angle_from;
+	kcam->pole_merge_angle_to = pole_merge_angle_to;
 
 	/* sensor size */
 	kcam->sensorwidth = sensorwidth;
diff --git a/intern/cycles/render/camera.h b/intern/cycles/render/camera.h
index f5edf6e..57b9960 100644
--- a/intern/cycles/render/camera.h
+++ b/intern/cycles/render/camera.h
@@ -105,7 +105,8 @@ public:
 	float interocular_distance;
 	float convergence_distance;
 	bool use_pole_merge;
-	float pole_merge_angle;
+	float pole_merge_angle_from;
+	float pole_merge_angle_to;
 
 	/* anamorphic lens bokeh */
 	float aperture_ratio;
diff --git a/release/scripts/startup/bl_ui/properties_data_camera.py b/release/scripts/startup/bl_ui/properties_data_camera.py
index 4b121db..d502dbe 100644
--- a/release/scripts/startup/bl_ui/properties_data_camera.py
+++ b/release/scripts/startup/bl_ui/properties_data_camera.py
@@ -169,9 +169,10 @@ class DATA_PT_camera_stereoscopy(CameraButtonsPanel, Panel):
             sub = col.column()
             sub.active = st.use_spherical_stereo
             sub.prop(st, "use_pole_merge")
-            row = sub.row()
-            row.active = st.use_pole_merge
-            row.prop(st, "pole_merge_angle")
+            subsub = sub.column()
+            subsub.active = st.use_pole_merge
+            subsub.prop(st, "pole_merge_angle_from")
+            subsub.prop(st, "pole_merge_angle_to")
 
         col.label(text="Pivot:")
         row = col.row()
diff --git a/source/blender/makesdna/DNA_camera_types.h b/source/blender/makesdna/DNA_camera_types.h
index 990202a..6874157 100644
--- a/source/blender/makesdna/DNA_camera_types.h
+++ b/source/blender/makesdna/DNA_camera_types.h
@@ -52,10 +52,11 @@ typedef struct CameraStereoSettings {
 	short convergence_mode;
 	short pivot;
 	short flag;
-	/* Cut-off angle at which interocular distance starts to fade to 0. */
 	short pad;
-	float pole_merge_angle;
-	float pad2;
+	/* Cut-off angle at which interocular distance start to fade down. */
+	float pole_merge_angle_from;
+	/* Cut-off angle at which interocular distance stops to fade down. */
+	float pole_merge_angle_to;
 } CameraStereoSettings;
 
 typedef struct Camera {
diff --git a/source/blender/makesrna/intern/rna_camera.c b/source/blender/makesrna/intern/rna_camera.c
index be2cfbd..a4454da 100644
--- a/source/blender/makesrna/intern/rna_camera.c
+++ b/source/blender/makesrna/intern/rna_camera.c
@@ -158,11 +158,17 @@ static void rna_def_camera_stereo_data(BlenderRNA *brna)
 	                         "Fade interocular distance to 0 after the given cutoff angle");
 	RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
 
-	prop = RNA_def_property(srna, "pole_merge_angle", PROP_FLOAT, PROP_ANGLE);
+	prop = RNA_def_property(srna, "pole_merge_angle_from", PROP_FLOAT, PROP_ANGLE);
 	RNA_def_property_range(prop, 0.0f, M_PI / 2.0f);
-	RNA_def_property_ui_text(prop, "Pole Merge Angle",
+	RNA_def_property_ui_text(prop, "Pole Merge Start Angle",
 	                         "Angle at which interocular distance starts to fade to 0");
 	RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
+
+	prop = RNA_def_property(srna, "pole_merge_angle_to", PROP_FLOAT, PROP_ANGLE);
+	RNA_def_property_range(prop, 0.0f, M_PI / 2.0f);
+	RNA_def_property_ui_text(prop, "Pole Merge End Angle",
+	                         "Angle at which interocular distance is 0");
+	RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
 }
 
 void RNA_def_camera(BlenderRNA *brna)




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