DRW: Change clip planes API.

The draw manager now just set the number of active clip planes. It's now up to the engine to specify the plane equations as uniform/ubo/constant.

2 files changed, 4 insertions, 4 deletions

diff --git a/source/blender/draw/intern/DRW_render.h b/source/blender/draw/intern/DRW_render.h
index 7a8fc5ff3c1..cca08f8da9b 100644
--- a/source/blender/draw/intern/DRW_render.h
+++ b/source/blender/draw/intern/DRW_render.h
@@ -480,7 +480,7 @@ void DRW_state_lock(DRWState state);
 
 void DRW_state_invert_facing(void);
 
-void DRW_state_clip_planes_add(float plane_eq[4]);
+void DRW_state_clip_planes_count_set(unsigned int plane_ct);
 void DRW_state_clip_planes_reset(void);
 
 /* Culling, return true if object is inside view frustum. */
diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c
index 49bb9f114a7..f53631e7e54 100644
--- a/source/blender/draw/intern/draw_manager_exec.c
+++ b/source/blender/draw/intern/draw_manager_exec.c
@@ -366,10 +366,10 @@ void DRW_state_invert_facing(void)
  * and if the shaders have support for it (see usage of gl_ClipDistance).
  * Be sure to call DRW_state_clip_planes_reset() after you finish drawing.
  **/
-void DRW_state_clip_planes_add(float plane_eq[4])
+void DRW_state_clip_planes_count_set(unsigned int plane_ct)
 {
-	BLI_assert(DST.num_clip_planes < MAX_CLIP_PLANES-1);
-	// copy_v4_v4(DST.view_data.clip_planes_eq[DST.num_clip_planes++], plane_eq);
+	BLI_assert(plane_ct <= MAX_CLIP_PLANES);
+	DST.num_clip_planes = plane_ct;
 }
 
 void DRW_state_clip_planes_reset(void)