sad

benchmarks/opencl/sad/image.c

@@ -0,0 +1,56 @@
+/***************************************************************************
+ *cr
+ *cr            (C) Copyright 2007 The Board of Trustees of the
+ *cr                        University of Illinois
+ *cr                         All Rights Reserved
+ *cr
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "file.h"
+#include "image.h"
+
+struct image_i16 *
+load_image(char *filename)
+{
+  FILE *infile;
+  short *data;
+  int w;
+  int h;
+
+  infile = fopen(filename, "r");
+
+  if (!infile)
+    {
+      fprintf(stderr, "Cannot find file '%s'\n", filename);
+      exit(-1);
+    }
+
+  /* Read image dimensions */
+  w = read16u(infile);
+  h = read16u(infile);
+
+  /* Read image contents */
+  data = (short *)malloc(w * h * sizeof(short));
+  fread(data, sizeof(short), w * h, infile);
+
+  fclose(infile);
+
+  /* Create the return data structure */
+  {
+    struct image_i16 *ret =
+      (struct image_i16 *)malloc(sizeof(struct image_i16));
+    ret->width = w;
+    ret->height = h;
+    ret->data = data;
+    return ret;
+  }
+}
+
+void
+free_image(struct image_i16 *img)
+{
+  free(img->data);
+  free(img);
+}