Added ImageInverter test

Author: smistad

source/FAST/Algorithms/ImageInverter/CMakeLists.txt

@@ -2,4 +2,5 @@ fast_add_sources(
         ImageInverter.cpp
         ImageInverter.hpp
 )
+fast_add_test_sources(ImageInverterTests.cpp)
 fast_add_process_object(ImageInverter ImageInverter.hpp)

source/FAST/Algorithms/ImageInverter/ImageInverter.cpp

@@ -49,22 +49,14 @@ void ImageInverter::execute() {
                 cl::NullRange
         );
     } else {
-        cl::Program program = getOpenCLProgram(device, "2D");
-        cl::Kernel kernel(program, "invert2D");
+        auto kernel = getKernel("invert2D", "2D");
 
-        auto access = input->getOpenCLImageAccess(ACCESS_READ, device);
-        auto access2 = output->getOpenCLImageAccess(ACCESS_READ_WRITE, device);
-        kernel.setArg(0, *access->get2DImage());
-        kernel.setArg(1, *access2->get2DImage());
-        kernel.setArg(2, min);
-        kernel.setArg(3, max);
+        kernel.setArg("input", input);
+        kernel.setArg("output", output);
+        kernel.setArg("min", min);
+        kernel.setArg("max", max);
 
-        queue.enqueueNDRangeKernel(
-                kernel,
-                cl::NullRange,
-                cl::NDRange(size.x(), size.y()),
-                cl::NullRange
-        );
+        getQueue().add(kernel, size);
     }
     addOutputData(0, output);
 }

source/FAST/Algorithms/ImageInverter/ImageInverterTests.cpp

@@ -0,0 +1,12 @@
+#include "ImageInverter.hpp"
+#include <FAST/Testing.hpp>
+#include <FAST/Importers/ImageFileImporter.hpp>
+
+using namespace fast;
+
+TEST_CASE("ImageInverter 2D", "[fast][ImageInverter]") {
+    auto importer = ImageFileImporter::create(Config::getTestDataPath() + "US/Heart/ApicalFourChamber/US-2D_0.mhd");
+
+    auto inverter = ImageInverter::create()->connect(importer);
+    inverter->run();
+}

source/FAST/Python/Tests/opencl_kernel.cl

@@ -2,7 +2,7 @@ __const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE | CLK_FILTER_NEAREST | C
 __kernel void invert(
     __read_only image2d_t input,
     __write_only image2d_t output,
-    __private uint max
+    __private int max
     ) {
     int2 pos = {get_global_id(0), get_global_id(1)};
     int value = read_imageui(input, sampler, pos).x;

source/FAST/Python/Tests/test_opencl.py

@@ -22,7 +22,7 @@ def __init__(self, useIndex=False, missingArgument=False, loadFromFile=False):
                 __kernel void invert(
                     __read_only image2d_t input, 
                     __write_only image2d_t output,
-                    __private uint max
+                    __private int max
                     ) {
                     int2 pos = {get_global_id(0), get_global_id(1)};
                     int value = read_imageui(input, sampler, pos).x;