TerrainOverlay: fix z buffer

opatut · opatut · commit 7ff00bc792e7 · 2026-06-09T18:15:17.000+02:00
diff --git a/share/covise/materials/TerrainOverlay.xml b/share/covise/materials/TerrainOverlay.xml
@@ -27,8 +27,8 @@
         vec4 DiffuseColor = texture2D( diffuseMap, Texcoord );
         DiffuseColor.a = DiffuseColor.a * Transparency;
 
-        gl_FragColor = DiffuseColor;	
-        gl_FragDepth += DepthBump;
+        gl_FragColor = DiffuseColor;
+        gl_FragDepth = gl_FragCoord[2] + DepthBump;
     }
 
 </fragmentProgram>

Original file line number	Diff line number	Diff line change
`@@ -27,8 +27,8 @@`
`27`	`27`	`vec4 DiffuseColor = texture2D( diffuseMap, Texcoord );`
`28`	`28`	`DiffuseColor.a = DiffuseColor.a * Transparency;`
`29`	`29`
`30`		`- gl_FragColor = DiffuseColor;`
`31`		`- gl_FragDepth += DepthBump;`
	`30`	`+ gl_FragColor = DiffuseColor;`
	`31`	`+ gl_FragDepth = gl_FragCoord[2] + DepthBump;`
`32`	`32`	`}`
`33`	`33`
`34`	`34`	`</fragmentProgram>`