DRW: Culling: Expose & Add culling functions to engines.

This way engines can do preemptive culling by themselves.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/draw/intern/DRW_render.h b/source/blender/draw/intern/DRW_render.h
index 4815c117a8c..9f0c06a2886 100644
--- a/source/blender/draw/intern/DRW_render.h
+++ b/source/blender/draw/intern/DRW_render.h
@@ -77,6 +77,11 @@ typedef struct DRWInterface DRWInterface;
 typedef struct DRWPass DRWPass;
 typedef struct DRWShadingGroup DRWShadingGroup;
 
+/* TODO Put it somewhere else? */
+typedef struct BoundSphere {
+	float center[3], radius;
+} BoundSphere;
+
 /* declare members as empty (unused) */
 typedef char DRWViewportEmptyList;
 
@@ -478,6 +483,10 @@ void DRW_state_invert_facing(void);
 void DRW_state_clip_planes_add(float plane_eq[4]);
 void DRW_state_clip_planes_reset(void);
 
+/* Culling, return true if object is inside view frustum. */
+bool DRW_culling_sphere_test(BoundSphere *bsphere);
+bool DRW_culling_box_test(BoundBox *bbox);
+
 /* Selection */
 void DRW_select_load_id(unsigned int id);