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Diffstat (limited to 'src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java')
-rw-r--r--src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java b/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java
index a8fc16e..5c89ad8 100644
--- a/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java
+++ b/src/com/mbien/opencl/demos/fractal/MultiDeviceFractal.java
@@ -118,6 +118,7 @@ public class MultiDeviceFractal implements GLEventListener {
// enable GL error checking using the composable pipeline
drawable.setGL(new DebugGL2(drawable.getGL().getGL2()));
+ drawable.getGL().glFinish();
initCL(drawable.getContext());
GL2 gl = drawable.getGL().getGL2();
@@ -295,6 +296,8 @@ public class MultiDeviceFractal implements GLEventListener {
public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
+ // make sure GL does not use our objects before we start computeing
+ gl.glFinish();
if(!buffersInitialized) {
initPBO(gl);
setKernelConstants();
@@ -303,8 +306,6 @@ public class MultiDeviceFractal implements GLEventListener {
buildProgram();
setKernelConstants();
}
- // make sure GL does not use our objects before we start computeing
- gl.glFinish();
compute();
render(gl.getGL2());
@@ -335,7 +336,7 @@ public class MultiDeviceFractal implements GLEventListener {
}
- // block until done
+ // block until done (important: finish before doing further gl work)
for (int i = 0; i < slices; i++) {
queues[i].finish();
}