diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_object.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_object.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h index 32900f7f27a..6b42f66b0d5 100644 --- a/intern/cycles/kernel/geom/geom_object.h +++ b/intern/cycles/kernel/geom/geom_object.h @@ -55,6 +55,21 @@ ccl_device_inline Transform object_fetch_transform(KernelGlobals *kg, int object return tfm; } +/* Lamp to world space transformation */ + +ccl_device_inline Transform lamp_fetch_transform(KernelGlobals *kg, int lamp, bool inverse) +{ + int offset = lamp*LIGHT_SIZE + (inverse? 8 : 5); + + Transform tfm; + tfm.x = kernel_tex_fetch(__light_data, offset + 0); + tfm.y = kernel_tex_fetch(__light_data, offset + 1); + tfm.z = kernel_tex_fetch(__light_data, offset + 2); + tfm.w = make_float4(0.0f, 0.0f, 0.0f, 1.0f); + + return tfm; +} + /* Object to world space transformation for motion vectors */ ccl_device_inline Transform object_fetch_vector_transform(KernelGlobals *kg, int object, enum ObjectVectorTransform type) |