diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_camera.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_camera.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/intern/cycles/kernel/kernel_camera.h b/intern/cycles/kernel/kernel_camera.h index 1f93394e078..c2828c20eee 100644 --- a/intern/cycles/kernel/kernel_camera.h +++ b/intern/cycles/kernel/kernel_camera.h @@ -20,6 +20,21 @@ CCL_NAMESPACE_BEGIN /* Perspective Camera */ +__device float2 camera_sample_aperture(KernelGlobals *kg, float u, float v) +{ + float blades = kernel_data.cam.blades; + + if(blades == 0.0f) { + /* sample disk */ + return concentric_sample_disk(u, v); + } + else { + /* sample polygon */ + float rotation = kernel_data.cam.bladesrotation; + return regular_polygon_sample(blades, rotation, u, v); + } +} + __device void camera_sample_perspective(KernelGlobals *kg, float raster_x, float raster_y, float lens_u, float lens_v, Ray *ray) { /* create ray form raster position */ @@ -30,14 +45,11 @@ __device void camera_sample_perspective(KernelGlobals *kg, float raster_x, float ray->D = Pcamera; /* modify ray for depth of field */ - float lensradius = kernel_data.cam.lensradius; - - if(lensradius > 0.0f) { - /* sample point on lens */ - float2 lensuv; + float aperturesize = kernel_data.cam.aperturesize; - lensuv = concentric_sample_disk(lens_u, lens_v); - lensuv *= lensradius; + if(aperturesize > 0.0f) { + /* sample point on aperture */ + float2 lensuv = camera_sample_aperture(kg, lens_u, lens_v)*aperturesize; /* compute point on plane of focus */ float ft = kernel_data.cam.focaldistance/ray->D.z; |