Fix leaks. Allocate CUDA memory only once. Free allocations when Compressor is destroyed.

src/nvtt/tests/stress.cpp

@@ -0,0 +1,62 @@
+// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
+// 
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+#include <nvtt/nvtt.h>
+
+#include <stdio.h> // printf
+#include <stdlib.h> // rand?
+#include <time.h> // clock
+
+
+
+int main(int argc, char *argv[])
+{
+	nvtt::InputOptions inputOptions;
+	inputOptions.setTextureLayout(nvtt::TextureType_2D, 1024, 1024);
+
+	int * data = (int *)malloc(1024 * 1024 * 4);
+	for (int i = 0; i < 1024 * 1024; i++)
+	{
+		data[i] = rand();
+	}
+
+	inputOptions.setMipmapData(data, 1024, 1024);
+	inputOptions.setMipmapGeneration(false);
+
+	nvtt::CompressionOptions compressionOptions;
+	nvtt::OutputOptions outputOptions;
+	nvtt::Compressor compressor;
+
+	for (int i = 0; i < 1000; i++)
+	{
+		clock_t start = clock();
+
+		compressor.process(inputOptions, compressionOptions, outputOptions);
+
+		clock_t end = clock();
+		printf("time taken: %.3f seconds\n", float(end-start) / CLOCKS_PER_SEC);
+	}
+
+	return 0;
+}
+