Fix clipping shaders with some AMD/Intel drivers

Caused:
    error: unsized array index must be constant

Use hard coded number of clipping planes, copying the 4th to 5 & 6
when only 4 are used.

1 files changed, 1 insertions, 11 deletions

diff --git a/source/blender/draw/modes/shaders/edit_mesh_overlay_facefill_vert.glsl b/source/blender/draw/modes/shaders/edit_mesh_overlay_facefill_vert.glsl
index fa808b4fdb9..95630fc2e0f 100644
--- a/source/blender/draw/modes/shaders/edit_mesh_overlay_facefill_vert.glsl
+++ b/source/blender/draw/modes/shaders/edit_mesh_overlay_facefill_vert.glsl
@@ -3,11 +3,6 @@ uniform mat4 ModelViewProjectionMatrix;
 uniform mat4 ModelMatrix;
 uniform ivec4 dataMask = ivec4(0xFF);
 
-#ifdef USE_WORLD_CLIP_PLANES
-uniform vec4 WorldClipPlanes[6];
-uniform int  WorldClipPlanesLen;
-#endif
-
 in vec3 pos;
 in ivec4 data;
 
@@ -33,11 +28,6 @@ void main()
 		faceColor = colorFace;
 
 #ifdef USE_WORLD_CLIP_PLANES
-	{
-		vec3 worldPosition = (ModelMatrix * vec4(pos, 1.0)).xyz;
-		for (int i = 0; i < WorldClipPlanesLen; i++) {
-			gl_ClipDistance[i] = dot(WorldClipPlanes[i].xyz, worldPosition) + WorldClipPlanes[i].w;
-		}
-	}
+	world_clip_planes_calc_clip_distance((ModelMatrix * vec4(pos, 1.0)).xyz);
 #endif
 }