--- old/src/share/native/sun/java2d/cmm/lcms/LCMS.c	2012-12-27 15:35:16.734451300 +0400
+++ new/src/share/native/sun/java2d/cmm/lcms/LCMS.c	2012-12-27 15:35:16.516050900 +0400
@@ -117,6 +117,7 @@
 static jfieldID IL_nextRowOffset_fID;
 static jfieldID IL_width_fID;
 static jfieldID IL_height_fID;
+static jfieldID IL_imageAtOnce_fID;
 static jfieldID PF_ID_fID;
 
 JavaVM *javaVM;
@@ -586,6 +587,7 @@
     char* inputRow;
     char* outputRow;
     jobject srcData, dstData;
+    jboolean srcAtOnce = JNI_FALSE, dstAtOnce = JNI_FALSE;
 
     srcOffset = (*env)->GetIntField (env, src, IL_offset_fID);
     srcNextRowOffset = (*env)->GetIntField (env, src, IL_nextRowOffset_fID);
@@ -594,6 +596,9 @@
     width = (*env)->GetIntField (env, src, IL_width_fID);
     height = (*env)->GetIntField (env, src, IL_height_fID);
 
+    srcAtOnce = (*env)->GetBooleanField(env, src, IL_imageAtOnce_fID);
+    dstAtOnce = (*env)->GetBooleanField(env, dst, IL_imageAtOnce_fID);
+
     sTrans.j = (*env)->GetLongField (env, trans, Trans_ID_fID);
 
     if (sTrans.xf == NULL) {
@@ -625,10 +630,14 @@
     inputRow = (char*)inputBuffer + srcOffset;
     outputRow = (char*)outputBuffer + dstOffset;
 
-    for (i = 0; i < height; i++) {
-        cmsDoTransform(sTrans.xf, inputRow, outputRow, width);
-        inputRow += srcNextRowOffset;
-        outputRow += dstNextRowOffset;
+    if (srcAtOnce && dstAtOnce) {
+        cmsDoTransform(sTrans.xf, inputRow, outputRow, width * height);
+    } else {
+        for (i = 0; i < height; i++) {
+            cmsDoTransform(sTrans.xf, inputRow, outputRow, width);
+            inputRow += srcNextRowOffset;
+            outputRow += dstNextRowOffset;
+        }
     }
 
     releaseILData(env, inputBuffer, srcDType, srcData);
@@ -670,6 +679,7 @@
     IL_width_fID = (*env)->GetFieldID (env, IL, "width", "I");
     IL_height_fID = (*env)->GetFieldID (env, IL, "height", "I");
     IL_offset_fID = (*env)->GetFieldID (env, IL, "offset", "I");
+    IL_imageAtOnce_fID = (*env)->GetFieldID (env, IL, "imageAtOnce", "Z");
     IL_nextRowOffset_fID = (*env)->GetFieldID (env, IL, "nextRowOffset", "I");
 
     PF_ID_fID = (*env)->GetFieldID (env, Pf, "ID", "J");