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File dcraw-omp.patch of Package dcraw

--- dcraw.c.orig	2010-05-02 01:23:33.000000000 +0200
+++ dcraw.c	2010-05-02 01:24:00.000000000 +0200
@@ -217,7 +217,7 @@
 #define BAYER2(row,col) \
 	image[((row) >> shrink)*iwidth + ((col) >> shrink)][fc(row,col)]
 
-int CLASS fc (int row, int col)
+static int CLASS fc (int row, int col)
 {
   static const char filter[16][16] =
   { { 2,1,1,3,2,3,2,0,3,2,3,0,1,2,1,0 },
@@ -273,7 +273,7 @@
   data_error++;
 }
 
-ushort CLASS sget2 (uchar *s)
+static ushort CLASS sget2 (uchar *s)
 {
   if (order == 0x4949)		/* "II" means little-endian */
     return s[0] | s[1] << 8;
@@ -281,14 +281,14 @@
     return s[0] << 8 | s[1];
 }
 
-ushort CLASS get2()
+static ushort CLASS get2()
 {
   uchar str[2] = { 0xff,0xff };
   fread (str, 1, 2, ifp);
   return sget2(str);
 }
 
-unsigned CLASS sget4 (uchar *s)
+static unsigned CLASS sget4 (uchar *s)
 {
   if (order == 0x4949)
     return s[0] | s[1] << 8 | s[2] << 16 | s[3] << 24;
@@ -297,26 +297,26 @@
 }
 #define sget4(s) sget4((uchar *)s)
 
-unsigned CLASS get4()
+static unsigned CLASS get4()
 {
   uchar str[4] = { 0xff,0xff,0xff,0xff };
   fread (str, 1, 4, ifp);
   return sget4(str);
 }
 
-unsigned CLASS getint (int type)
+static unsigned CLASS getint (int type)
 {
   return type == 3 ? get2() : get4();
 }
 
-float CLASS int_to_float (int i)
+static float CLASS int_to_float (int i)
 {
   union { int i; float f; } u;
   u.i = i;
   return u.f;
 }
 
-double CLASS getreal (int type)
+static double CLASS getreal (int type)
 {
   union { char c[8]; double d; } u;
   int i, rev;
@@ -340,7 +340,7 @@
   }
 }
 
-void CLASS read_shorts (ushort *pixel, int count)
+static void CLASS read_shorts (ushort *pixel, int count)
 {
   if (fread (pixel, 2, count, ifp) < count) derror();
   if ((order == 0x4949) == (ntohs(0x1234) == 0x1234))
@@ -860,7 +860,7 @@
   return diff;
 }
 
-ushort * CLASS ljpeg_row (int jrow, struct jhead *jh)
+static ushort * CLASS ljpeg_row (int jrow, struct jhead *jh)
 {
   int col, c, diff, pred, spred=0;
   ushort mark=0, *row[3];
@@ -899,7 +899,7 @@
   return row[2];
 }
 
-void CLASS lossless_jpeg_load_raw()
+static void CLASS lossless_jpeg_load_raw()
 {
   int jwide, jrow, jcol, val, jidx, i, j, row=0, col=0, nblack=0;
   double dark[2] = { 0,0 };
@@ -3710,6 +3710,8 @@
     fputc ('\n', stderr);
   }
   size = iheight*iwidth;
+
+#pragma omp parallel for default(none) private(i, val) shared(size,stderr,image,black,scale_mul)
   for (i=0; i < size*4; i++) {
     val = image[0][i];
     if (!val) continue;
@@ -3779,7 +3781,7 @@
   if (half_size) filters = 0;
 }
 
-void CLASS border_interpolate (int border)
+static void CLASS border_interpolate (int border)
 {
   unsigned row, col, y, x, f, c, sum[8];
 
@@ -4067,6 +4069,7 @@
   lab  = (short (*)[TS][TS][3])(buffer + 12*TS*TS);
   homo = (char  (*)[TS][TS])   (buffer + 24*TS*TS);
 
+#pragma omp for
   for (top=2; top < height-5; top += TS-6)
     for (left=2; left < width-5; left += TS-6) {
 
@@ -8120,8 +8123,14 @@
 	_("Converting to %s colorspace...\n"), name[output_color-1]);
 
   memset (histogram, 0, sizeof histogram);
-  for (img=image[0], row=0; row < height; row++)
-    for (col=0; col < width; col++, img+=4) {
+
+#pragma omp parallel for					\
+  default(none)							\
+  shared(height, width, image, raw_color, out_cam, colors, document_mode, filters, histogram) \
+  private(row, col, out, c, img)
+  for (row = 0; row < height; row++) {
+    img = image[0] + row * width * 4;
+    for (col = 0; col < width; col++, img += 4) {
       if (!raw_color) {
 	out[0] = out[1] = out[2] = 0;
 	FORCC {
@@ -8133,8 +8142,12 @@
       }
       else if (document_mode)
 	img[0] = img[FC(row,col)];
-      FORCC histogram[c][img[c] >> 3]++;
+      FORCC {
+#pragma omp atomic
+	histogram[c][img[c] >> 3]++;
+      }
     }
+  }
   if (colors == 4 && output_color) colors = 3;
   if (document_mode && filters) colors = 1;
 }

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File dcraw-omp.patch of Package dcraw

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