From 1d39ccd719e1614dec1a2d57b189ecaeee01826b Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Mon, 22 Aug 2011 18:41:32 +0200
Subject: [PATCH] Minor fixes to Mandelbrot example.
---
examples/demo_mandelbrot.py | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/examples/demo_mandelbrot.py b/examples/demo_mandelbrot.py
index a9b3d0d8..c6cd6d3a 100644
--- a/examples/demo_mandelbrot.py
+++ b/examples/demo_mandelbrot.py
@@ -27,11 +27,11 @@ import pyopencl as cl
# Speed notes are listed in the same place
# set width and height of window, more pixels take longer to calculate
-w = 256
-h = 256
+w = 512
+h = 512
def calc_fractal_opencl(q, maxiter):
- ctx = cl.Context(cl.get_platforms()[0].get_devices())
+ ctx = cl.create_some_context()
queue = cl.CommandQueue(ctx)
output = np.empty(q.shape, dtype=np.uint16)
@@ -62,10 +62,10 @@ def calc_fractal_opencl(q, maxiter):
}
""").build()
- prg.mandelbrot(queue, output.shape, (64,), q_opencl,
+ prg.mandelbrot(queue, output.shape, None, q_opencl,
output_opencl, np.uint16(maxiter))
- cl.enqueue_read_buffer(queue, output_opencl, output).wait()
+ cl.enqueue_copy(queue, output, output_opencl).wait()
return output
--
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