diff options
author | Michael Bien <[email protected]> | 2010-01-13 00:16:50 +0100 |
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committer | Michael Bien <[email protected]> | 2010-01-13 00:16:50 +0100 |
commit | 9343c3ef5829f74207a8d220cb3b082211b910f2 (patch) | |
tree | ce01d1a4a0dfbbbdf763fa3b6883e525a47e0e74 /test/com/mbien/opencl/CLBufferTest.java | |
parent | 4aebe5715b7d61591c8e0b677e452b3905e5ecd6 (diff) |
refactored HighLevelBindingTest into seperate tests.
added CLConcurrencyTest and fixed some bugs in CLEvent codepaths.
Diffstat (limited to 'test/com/mbien/opencl/CLBufferTest.java')
-rw-r--r-- | test/com/mbien/opencl/CLBufferTest.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/com/mbien/opencl/CLBufferTest.java b/test/com/mbien/opencl/CLBufferTest.java new file mode 100644 index 00000000..5395ef6f --- /dev/null +++ b/test/com/mbien/opencl/CLBufferTest.java @@ -0,0 +1,94 @@ +package com.mbien.opencl; + +import com.mbien.opencl.CLBuffer.Mem; +import com.sun.opengl.util.BufferUtil; +import java.nio.ByteBuffer; +import org.junit.Test; + +import static org.junit.Assert.*; +import static java.lang.System.*; +import static com.mbien.opencl.TestUtils.*; +import static com.sun.gluegen.runtime.BufferFactory.*; + +/** + * + * @author Michael Bien + */ +public class CLBufferTest { + + @Test + public void writeCopyReadBufferTest() { + + out.println(" - - - highLevelTest; copy buffer test - - - "); + + final int elements = NUM_ELEMENTS; + + CLContext context = CLContext.create(); + + // the CL.MEM_* flag is probably completly irrelevant in our case since we do not use a kernel in this test + CLBuffer<ByteBuffer> clBufferA = context.createByteBuffer(elements*SIZEOF_INT, Mem.READ_ONLY); + CLBuffer<ByteBuffer> clBufferB = context.createByteBuffer(elements*SIZEOF_INT, Mem.READ_ONLY); + + // fill only first read buffer -> we will copy the payload to the second later. + fillBuffer(clBufferA.buffer, 12345); + + CLCommandQueue queue = context.getCLDevices()[0].createCommandQueue(); + + // asynchronous write of data to GPU device, blocking read later to get the computed results back. + queue.putWriteBuffer(clBufferA, false) // write A + .putCopyBuffer(clBufferA, clBufferB, clBufferA.buffer.capacity()) // copy A -> B + .putReadBuffer(clBufferB, true) // read B + .finish(); + + context.release(); + + out.println("validating computed results..."); + checkIfEqual(clBufferA.buffer, clBufferB.buffer, elements); + out.println("results are valid"); + + } + + @Test + public void bufferWithHostPointerTest() { + + out.println(" - - - highLevelTest; host pointer test - - - "); + + final int elements = NUM_ELEMENTS; + + CLContext context = CLContext.create(); + + ByteBuffer buffer = BufferUtil.newByteBuffer(elements*SIZEOF_INT); + // fill only first read buffer -> we will copy the payload to the second later. + fillBuffer(buffer, 12345); + + CLCommandQueue queue = context.getCLDevices()[0].createCommandQueue(); + + Mem[] bufferConfig = new Mem[] {Mem.COPY_BUFFER, Mem.USE_BUFFER}; + + for(int i = 0; i < bufferConfig.length; i++) { + + out.println("testing with "+bufferConfig[i] + " config"); + + CLBuffer<ByteBuffer> clBufferA = context.createBuffer(buffer, Mem.READ_ONLY, bufferConfig[i]); + CLBuffer<ByteBuffer> clBufferB = context.createByteBuffer(elements*SIZEOF_INT, Mem.READ_ONLY); + + // asynchronous write of data to GPU device, blocking read later to get the computed results back. + queue.putCopyBuffer(clBufferA, clBufferB, clBufferA.buffer.capacity()) // copy A -> B + .putReadBuffer(clBufferB, true) // read B + .finish(); + + assertEquals(2, context.getCLBuffers().size()); + clBufferA.release(); + assertEquals(1, context.getCLBuffers().size()); + clBufferB.release(); + assertEquals(0, context.getCLBuffers().size()); + + // uploading worked when a==b. + out.println("validating computed results..."); + checkIfEqual(clBufferA.buffer, clBufferB.buffer, elements); + out.println("results are valid"); + } + + context.release(); + } +} |