[Bf-blender-cvs] [60c5a2f] master: Cycles: Add Mirror ball mapping to camera panorama options
Lukas Stockner
noreply at git.blender.org
Sat Apr 25 23:52:26 CEST 2015
Commit: 60c5a2f2d21da2373cccebe3de025440c16b44a6
Author: Lukas Stockner
Date: Sat Apr 25 23:49:17 2015 +0200
Branches: master
https://developer.blender.org/rB60c5a2f2d21da2373cccebe3de025440c16b44a6
Cycles: Add Mirror ball mapping to camera panorama options
The projection code was already in place, so this just exposes the option.
Differential Revision: https://developer.blender.org/D1079
===================================================================
M intern/cycles/blender/addon/properties.py
M intern/cycles/blender/blender_camera.cpp
M intern/cycles/kernel/kernel_projection.h
M intern/cycles/kernel/kernel_types.h
===================================================================
diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index a86f162..875b5d3 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -66,6 +66,7 @@ enum_panorama_types = (
('FISHEYE_EQUIDISTANT', "Fisheye Equidistant", "Ideal for fulldomes, ignore the sensor dimensions"),
('FISHEYE_EQUISOLID', "Fisheye Equisolid",
"Similar to most fisheye modern lens, takes sensor dimensions into consideration"),
+ ('MIRRORBALL', "Mirror Ball", "Uses the mirror ball mapping"),
)
enum_curve_primitives = (
diff --git a/intern/cycles/blender/blender_camera.cpp b/intern/cycles/blender/blender_camera.cpp
index fffc46e..3d23b5e 100644
--- a/intern/cycles/blender/blender_camera.cpp
+++ b/intern/cycles/blender/blender_camera.cpp
@@ -148,6 +148,9 @@ static void blender_camera_from_object(BlenderCamera *bcam, BL::RenderEngine b_e
case 2:
bcam->panorama_type = PANORAMA_FISHEYE_EQUISOLID;
break;
+ case 3:
+ bcam->panorama_type = PANORAMA_MIRRORBALL;
+ break;
case 0:
default:
bcam->panorama_type = PANORAMA_EQUIRECTANGULAR;
diff --git a/intern/cycles/kernel/kernel_projection.h b/intern/cycles/kernel/kernel_projection.h
index bd18fd2..62922df 100644
--- a/intern/cycles/kernel/kernel_projection.h
+++ b/intern/cycles/kernel/kernel_projection.h
@@ -163,6 +163,10 @@ ccl_device float3 mirrorball_to_direction(float u, float v)
dir.x = 2.0f*u - 1.0f;
dir.z = 2.0f*v - 1.0f;
+
+ if(dir.x*dir.x + dir.z*dir.z > 1.0f)
+ return make_float3(0.0f, 0.0f, 0.0f);
+
dir.y = -sqrtf(max(1.0f - dir.x*dir.x - dir.z*dir.z, 0.0f));
/* reflection */
@@ -191,6 +195,8 @@ ccl_device float3 panorama_to_direction(KernelGlobals *kg, float u, float v)
switch(kernel_data.cam.panorama_type) {
case PANORAMA_EQUIRECTANGULAR:
return equirectangular_range_to_direction(u, v, kernel_data.cam.equirectangular_range);
+ case PANORAMA_MIRRORBALL:
+ return mirrorball_to_direction(u, v);
case PANORAMA_FISHEYE_EQUIDISTANT:
return fisheye_to_direction(u, v, kernel_data.cam.fisheye_fov);
case PANORAMA_FISHEYE_EQUISOLID:
@@ -205,6 +211,8 @@ ccl_device float2 direction_to_panorama(KernelGlobals *kg, float3 dir)
switch(kernel_data.cam.panorama_type) {
case PANORAMA_EQUIRECTANGULAR:
return direction_to_equirectangular_range(dir, kernel_data.cam.equirectangular_range);
+ case PANORAMA_MIRRORBALL:
+ return direction_to_mirrorball(dir);
case PANORAMA_FISHEYE_EQUIDISTANT:
return direction_to_fisheye(dir, kernel_data.cam.fisheye_fov);
case PANORAMA_FISHEYE_EQUISOLID:
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index 238b4b0..05cfb0a 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -426,6 +426,7 @@ enum CameraType {
enum PanoramaType {
PANORAMA_EQUIRECTANGULAR,
+ PANORAMA_MIRRORBALL,
PANORAMA_FISHEYE_EQUIDISTANT,
PANORAMA_FISHEYE_EQUISOLID
};
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