diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_types.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_types.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h index c26769341f0..44e7fd46adc 100644 --- a/intern/cycles/kernel/kernel_types.h +++ b/intern/cycles/kernel/kernel_types.h @@ -361,6 +361,17 @@ enum PathRayFlag { PATH_RAY_STORE_SHADOW_INFO = (1 << 18), /* Zero background alpha, for camera or transparent glass rays. */ PATH_RAY_TRANSPARENT_BACKGROUND = (1 << 19), + /* Terminate ray immediately at next bounce. */ + PATH_RAY_TERMINATE_IMMEDIATE = (1 << 20), + /* Ray is to be terminated, but continue with transparent bounces and + * emission as long as we encounter them. This is required to make the + * MIS between direct and indirect light rays match, as shadow rays go + * through transparent surfaces to reach emisison too. */ + PATH_RAY_TERMINATE_AFTER_TRANSPARENT = (1 << 21), + /* Ray is to be terminated. */ + PATH_RAY_TERMINATE = (PATH_RAY_TERMINATE_IMMEDIATE|PATH_RAY_TERMINATE_AFTER_TRANSPARENT), + /* Path and shader is being evaluated for direct lighting emission. */ + PATH_RAY_EMISSION = (1 << 22) }; /* Closure Label */ |