Add ctest.

src/nvtt/tests/ctest.c

@@ -0,0 +1,35 @@
+
+#include <stdio.h>
+
+#include <nvtt/nvtt_wrapper.h>
+
+
+int main(void)
+{
+	NvttInputOptions inputOptions = 0;
+	NvttOutputOptions outputOptions = 0;
+	NvttCompressionOptions compressionOptions = 0;
+
+	const unsigned int img[16*16];
+	
+	memset(img, 0, sizeof(unsigned int) * 16 * 16);
+
+	inputOptions = nvttCreateInputOptions();
+	nvttSetInputOptionsTextureLayout(inputOptions, NVTT_TextureType_2D, 16, 16, 1);
+	nvttSetInputOptionsMipmapData(inputOptions, img, 16, 16, 1, 0, 0);
+
+	outputOptions = nvttCreateOutputOptions();
+	nvttSetOutputOptionsFileName(outputOptions, "output.dds");
+
+	compressionOptions = nvttCreateCompressionOptions();
+	nvttSetCompressionOptionsFormat(compressionOptions, NVTT_Format_BC1);
+
+	nvttCompress(inputOptions, outputOptions, compressionOptions);
+
+	nvttDestroyCompressionOptions(compressionOptions);
+	nvttDestroyOutputOptions(outputOptions);
+	nvttDestroyInputOptions(inputOptions);
+
+	return 0;
+}
+