LSystem: Fixed OpenGL errors.

CLOUDS-Interactive-Documentary · Jun 30, 2014 · edf6dde · edf6dde
1 parent 5077264
commit edf6dde
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Showing 2 changed files with 13 additions and 8 deletions.
diff --git a/CloudsData/visualsystems/LSystem/shaders/postprocess.fs b/CloudsData/visualsystems/LSystem/shaders/postprocess.fs
@@ -1,3 +1,6 @@
+#version 120
+#extension GL_ARB_texture_rectangle : enable
+
 uniform sampler2DRect tex0;
 uniform sampler2DRect tex1;
 uniform vec2 resolution;

diff --git a/CloudsLibrary/src/VisualSystems/LSystem/vs_src/CloudsVisualSystemLSystem.cpp b/CloudsLibrary/src/VisualSystems/LSystem/vs_src/CloudsVisualSystemLSystem.cpp
@@ -341,13 +341,15 @@ void CloudsVisualSystemLSystem::selfDraw(){
 
     //  Grid
     //
-    ofPushStyle();
-//    ofEnableBlendMode(OF_BLENDMODE_ADD);
-    ofSetLineWidth(gridCrossWidth);
-    grid.draw();
-    ofPopStyle();
-
-    //  Original L-System
+	if (gridCrossWidth > 0) {
+		ofPushStyle();
+		//ofEnableBlendMode(OF_BLENDMODE_ADD);
+		ofSetLineWidth(gridCrossWidth);
+		grid.draw();
+		ofPopStyle();
+	}
+
+	//  Original L-System
     //
     ofEnableAlphaBlending();
     ofSetColor(255, lsysOriginalAlpha*255);
@@ -382,7 +384,7 @@ void CloudsVisualSystemLSystem::selfDraw(){
             }
         }
     }
-    
+
     //  Growing Trace
     //
     ofSetColor(255, lsysGrowingAlpha*255);