initial import of JOGL-JOCL interoperability sample (WIP).

1 files changed, 23 insertions, 0 deletions

diff --git a/src/com/mbien/opencl/demos/joglinterop/JoglInterop.cl b/src/com/mbien/opencl/demos/joglinterop/JoglInterop.cl
new file mode 100644
index 0000000..02356b2
--- /dev/null
+++ b/src/com/mbien/opencl/demos/joglinterop/JoglInterop.cl
@@ -0,0 +1,23 @@
+/*
+ * Simple kernel to modify vertex positions in sine wave pattern
+ */
+__kernel void sineWave(__global float4 * pos, unsigned int width, unsigned int height, float time) {
+
+    unsigned int x = get_global_id(0);
+    unsigned int y = get_global_id(1);
+
+    // calculate uv coordinates
+    float u = x / (float) width;
+    float v = y / (float) height;
+
+    u = u*2.0f - 1.0f;
+    v = v*2.0f - 1.0f;
+
+    // calculate simple sine wave pattern
+    float freq = 4.0f;
+    float w = sin(u*freq + time) * cos(v*freq + time) * 0.5f;
+
+    // write output vertex
+    pos[y*width+x] = (float4)(u, w, v, 1.0f);
+}
+