diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_camera.h')
-rw-r--r-- | intern/cycles/kernel/kernel_camera.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/intern/cycles/kernel/kernel_camera.h b/intern/cycles/kernel/kernel_camera.h index b61ca1df51f..6b8f18e3a21 100644 --- a/intern/cycles/kernel/kernel_camera.h +++ b/intern/cycles/kernel/kernel_camera.h @@ -115,18 +115,20 @@ ccl_device void camera_sample_perspective(KernelGlobals *kg, float raster_x, flo /* ray differential */ ray->dP = differential3_zero(); + tD = transform_direction(&cameratoworld, Pcamera); float3 Pdiff = spherical_stereo_position(kg, tD, Pcamera); + float3 Ddiff = normalize(spherical_stereo_direction(kg, tD, Pcamera, Pdiff)); tP = transform_perspective(&rastertocamera, make_float3(raster_x + 1.0f, raster_y, 0.0f)); tD = transform_direction(&cameratoworld, tP); Pcamera = spherical_stereo_position(kg, tD, tP); - ray->dD.dx = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - ray->D; + ray->dD.dx = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - Ddiff; ray->dP.dx = Pcamera - Pdiff; tP = transform_perspective(&rastertocamera, make_float3(raster_x, raster_y + 1.0f, 0.0f)); tD = transform_direction(&cameratoworld, tP); Pcamera = spherical_stereo_position(kg, tD, tP); - ray->dD.dy = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - ray->D; + ray->dD.dy = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - Ddiff; /* dP.dy is zero, since the omnidirectional panorama only shift the eyes horizontally */ #endif |