cleaned some code and split volume precaching into a new file

1 files changed, 14 insertions, 3 deletions

diff --git a/source/blender/render/intern/include/volumetric.h b/source/blender/render/intern/include/volumetric.h
index fb87035145f..a69238f54b3 100644
--- a/source/blender/render/intern/include/volumetric.h
+++ b/source/blender/render/intern/include/volumetric.h
@@ -21,12 +21,23 @@
  *
  * The Original Code is: all of this file.
  *
- * Contributor(s): Farsthary (Raul FHernandez), Matt Ebb.
+ * Contributor(s): Matt Ebb.
  *
  * ***** END GPL LICENSE BLOCK *****
  */
 
+float vol_get_stepsize(struct ShadeInput *shi, int context);
+float vol_get_density(struct ShadeInput *shi, float *co);
+void vol_get_scattering(ShadeInput *shi, float *scatter, float *co, float stepsize, float density);
+
 void volume_trace(struct ShadeInput *shi, struct ShadeResult *shr);
 void volume_trace_shadow(struct ShadeInput *shi, struct ShadeResult *shr, struct Isect *last_is);
-void volume_precache(Render *re);
-void free_volume_precache(Render *re);
\ No newline at end of file
+
+#define STEPSIZE_VIEW	0
+#define STEPSIZE_SHADE	1
+
+#define VOL_IS_BACKFACE			1
+#define VOL_IS_SAMEMATERIAL		2
+
+#define VOL_BOUNDS_DEPTH	0
+#define VOL_BOUNDS_SS		1
\ No newline at end of file