diff --git a/src/gl_canvas.c b/src/gl_canvas.c
index 8711147..17f42d3 100644
--- a/src/gl_canvas.c
+++ b/src/gl_canvas.c
@@ -269,11 +269,10 @@ void mg_gl_render_batch(mg_gl_canvas_backend* backend,
 	glUniform2i(2, nTilesX, nTilesY);
 
 	glDispatchCompute(eltCount, 1, 1);
-
 	glMemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
 
 	//NOTE: backprop pass
-	/*
+
 	glUseProgram(backend->backprop);
 
 	glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, backend->tileQueueBuffer);
@@ -281,7 +280,8 @@ void mg_gl_render_batch(mg_gl_canvas_backend* backend,
 	glUniform2i(0, nTilesX, nTilesY);
 
 	glDispatchCompute(nTilesY, 1, 1);
-	*/
+	glMemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);
+
 	/*
 	//NOTE: merge pass
 	glUseProgram(backend->merge);
diff --git a/src/glsl_shaders/raster.glsl b/src/glsl_shaders/raster.glsl
index 3059813..ac74de7 100644
--- a/src/glsl_shaders/raster.glsl
+++ b/src/glsl_shaders/raster.glsl
@@ -144,8 +144,7 @@ void main()
 
 	mg_gl_tile_queue tileQueue = tileQueuesBuffer.elements[tileIndex];
 	int opIndex = tileQueue.first;
-//	int winding = tileQueue.windingOffset;
-	int winding = 0;
+	int winding = tileQueue.windingOffset;
 
 	if((pixelCoord.x % 16) == 0 || (pixelCoord.y % 16) == 0)
 	{
@@ -174,7 +173,7 @@ void main()
 				winding += seg.windingIncrement;
 			}
 
-/*			if(op.crossRight)
+			if(op.crossRight)
 			{
 				if( (seg.config == MG_GL_BR || seg.config == MG_GL_TL)
 				  &&(sampleCoord.y > seg.box.w))
@@ -187,7 +186,6 @@ void main()
 					winding -= seg.windingIncrement;
 				}
 			}
-*/
 		}
 	}
 	int pathIndex = 0;