diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_object.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_object.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_object.h b/intern/cycles/kernel/kernel_object.h index 05c45c490d8..18e0b1e8a87 100644 --- a/intern/cycles/kernel/kernel_object.h +++ b/intern/cycles/kernel/kernel_object.h @@ -154,10 +154,35 @@ __device_inline float object_random_number(KernelGlobals *kg, int object) return f.z; } +__device_inline uint object_particle_id(KernelGlobals *kg, int object) +{ + if(object == ~0) + return 0.0f; + + int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES; + float4 f = kernel_tex_fetch(__objects, offset); + return __float_as_int(f.w); +} + __device int shader_pass_id(KernelGlobals *kg, ShaderData *sd) { return kernel_tex_fetch(__shader_flag, (sd->shader & SHADER_MASK)*2 + 1); } +__device float particle_age(KernelGlobals *kg, int particle) +{ + int offset = particle*PARTICLE_SIZE; + float4 f = kernel_tex_fetch(__particles, offset); + return f.x; +} + +__device float particle_lifetime(KernelGlobals *kg, int particle) +{ + int offset = particle*PARTICLE_SIZE; + float4 f = kernel_tex_fetch(__particles, offset); + return f.y; +} + + CCL_NAMESPACE_END |