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Cycles: Cleanup, redundant normalization

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This commit is contained in:
Sergey Sharybin
2016-03-11 14:12:10 +05:00
parent c149b6b7d7
commit ebe306b8d2
1 changed files with 2 additions and 4 deletions
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6
intern/cycles/kernel/kernel_camera.h
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@@ -115,18 +115,16 @@ ccl_device void camera_sample_perspective(KernelGlobals *kg, float raster_x, flo
/* ray differential */
ray->dP = differential3_zero();
const float3 Ddiff = normalize(ray->D);
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)) - Ddiff;
ray->dD.dx = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - ray->D;
ray->dP.dx = Pcamera - ray->P;
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)) - Ddiff;
ray->dD.dy = normalize(spherical_stereo_direction(kg, tD, tP, Pcamera)) - ray->D;
/* dP.dy is zero, since the omnidirectional panorama only shift the eyes horizontally */
#endif