Negative zmask rendering: now there is a setting to render everything

behind the zmask instead of in front. Might need tweaks, and doesn't
work with halo yet.

3 files changed, 3 insertions, 1 deletions

diff --git a/source/blender/render/intern/include/render_types.h b/source/blender/render/intern/include/render_types.h
index 9fc1e56a081..e1f454ade1d 100644
--- a/source/blender/render/intern/include/render_types.h
+++ b/source/blender/render/intern/include/render_types.h
@@ -85,6 +85,7 @@ typedef struct RenderPart
 	int *recto;						/* object table for objects */
 	int *rectp;						/* polygon index table */
 	int *rectz;						/* zbuffer */
+	int *rectmask;					/* negative zmask */
 	long *rectdaps;					/* delta acum buffer for pixel structs */
 	int *rectbacko;					/* object table for backside sss */
 	int *rectbackp;					/* polygon index table for backside sss */
diff --git a/source/blender/render/intern/include/rendercore.h b/source/blender/render/intern/include/rendercore.h
index 4ca644c6381..cf1eeae58ec 100644
--- a/source/blender/render/intern/include/rendercore.h
+++ b/source/blender/render/intern/include/rendercore.h
@@ -57,7 +57,7 @@ struct ListBase;
 typedef struct PixStr
 {
 	struct PixStr *next;
-	int obi, facenr, z;
+	int obi, facenr, z, maskz;
 	unsigned short mask;
 	short shadfac;
 } PixStr;
diff --git a/source/blender/render/intern/include/zbuf.h b/source/blender/render/intern/include/zbuf.h
index 2a16bde829b..346ed653977 100644
--- a/source/blender/render/intern/include/zbuf.h
+++ b/source/blender/render/intern/include/zbuf.h
@@ -96,6 +96,7 @@ typedef struct ZSpan {
 	int *rectz1;							/* seconday z buffer for shadowbuffer (2nd closest z) */
 	int *rectp;								/* polygon index buffer */
 	int *recto;								/* object buffer */
+	int *rectmask;							/* negative zmask buffer */
 	APixstr *apixbuf, *curpstr;				/* apixbuf for transparent */
 	APixstrand *curpstrand;					/* same for strands */
 	struct ListBase *apsmbase;