From 07ab0c1c53e82e7589d7555a04b30dd5334de914 Mon Sep 17 00:00:00 2001
From: Yan Wang <yan.wang@linux.intel.com>
Date: Wed, 14 Jan 2015 19:33:12 +0800
Subject: [PATCH] Avoid compile unnecessary OpenCL kernel.

Signed-off-by: Yan Wang <yan.wang@linux.intel.com>
---
 modules/objdetect/src/cascadedetect.cpp       | 8 ++++----
 modules/objdetect/src/opencl/cascadedetect.cl | 9 ++++++++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/modules/objdetect/src/cascadedetect.cpp b/modules/objdetect/src/cascadedetect.cpp
index 4e25a5ccf..6ddc0c878 100644
--- a/modules/objdetect/src/cascadedetect.cpp
+++ b/modules/objdetect/src/cascadedetect.cpp
@@ -1072,10 +1072,10 @@ bool CascadeClassifierImpl::ocl_detectMultiScaleNoGrouping( const std::vector<fl
         {
             String opts;
             if (lbufSize.area())
-                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SUM_BUF_SIZE=%d -D SUM_BUF_STEP=%d -D NODE_COUNT=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d",
+                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SUM_BUF_SIZE=%d -D SUM_BUF_STEP=%d -D NODE_COUNT=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d -D HAAR",
                               localsz.width, localsz.height, lbufSize.area(), lbufSize.width, data.maxNodesPerTree, splitstage_ocl, nstages, MAX_FACES);
             else
-                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D NODE_COUNT=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d",
+                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D NODE_COUNT=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d -D HAAR",
                               localsz.width, localsz.height, data.maxNodesPerTree, splitstage_ocl, nstages, MAX_FACES);
             haarKernel.create("runHaarClassifier", ocl::objdetect::cascadedetect_oclsrc, opts);
             if( haarKernel.empty() )
@@ -1112,10 +1112,10 @@ bool CascadeClassifierImpl::ocl_detectMultiScaleNoGrouping( const std::vector<fl
         {
             String opts;
             if (lbufSize.area())
-                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SUM_BUF_SIZE=%d -D SUM_BUF_STEP=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d",
+                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SUM_BUF_SIZE=%d -D SUM_BUF_STEP=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d -D LBP",
                               localsz.width, localsz.height, lbufSize.area(), lbufSize.width, splitstage_ocl, nstages, MAX_FACES);
             else
-                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d",
+                opts = format("-D LOCAL_SIZE_X=%d -D LOCAL_SIZE_Y=%d -D SPLIT_STAGE=%d -D N_STAGES=%d -D MAX_FACES=%d -D LBP",
                               localsz.width, localsz.height, splitstage_ocl, nstages, MAX_FACES);
             lbpKernel.create("runLBPClassifierStumpSimple", ocl::objdetect::cascadedetect_oclsrc, opts);
             if( lbpKernel.empty() )
diff --git a/modules/objdetect/src/opencl/cascadedetect.cl b/modules/objdetect/src/opencl/cascadedetect.cl
index dfebc28dd..13cb1aa38 100644
--- a/modules/objdetect/src/opencl/cascadedetect.cl
+++ b/modules/objdetect/src/opencl/cascadedetect.cl
@@ -12,19 +12,22 @@
 //    Erping Pang, erping@multicorewareinc.com
 //
 
-
+#ifdef HAAR
 typedef struct __attribute__((aligned(4))) OptHaarFeature
 {
     int4 ofs[3] __attribute__((aligned (4)));
     float4 weight __attribute__((aligned (4)));
 }
 OptHaarFeature;
+#endif
 
+#ifdef LBP
 typedef struct __attribute__((aligned(4))) OptLBPFeature
 {
     int16 ofs __attribute__((aligned (4)));
 }
 OptLBPFeature;
+#endif
 
 typedef struct __attribute__((aligned(4))) Stump
 {
@@ -64,6 +67,7 @@ ScaleData;
 #define NODE_COUNT 1
 #endif
 
+#ifdef HAAR
 __kernel __attribute__((reqd_work_group_size(LOCAL_SIZE_X,LOCAL_SIZE_Y,1)))
 void runHaarClassifier(
     int nscales, __global const ScaleData* scaleData,
@@ -352,7 +356,9 @@ void runHaarClassifier(
         }
     }
 }
+#endif
 
+#ifdef LBP
 #undef CALC_SUM_OFS_
 #define CALC_SUM_OFS_(p0, p1, p2, p3, ptr) \
     ((ptr)[p0] - (ptr)[p1] - (ptr)[p2] + (ptr)[p3])
@@ -651,3 +657,4 @@ void runLBPClassifierStump(
         }
     }
 }
+#endif