From e59541e30a008df3f62de18e1b9331830462e7c6 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Tue, 2 Sep 2014 16:39:11 -0400
Subject: [PATCH] Add #define guard to including IO with PVRTC

---
 PVRTCEncoder/CMakeLists.txt           | 6 +++++-
 PVRTCEncoder/config/PVRTCDefines.h.in | 1 +
 PVRTCEncoder/src/PVRTCImage.cpp       | 8 +++++++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/PVRTCEncoder/CMakeLists.txt b/PVRTCEncoder/CMakeLists.txt
index 555c1dd..026222b 100644
--- a/PVRTCEncoder/CMakeLists.txt
+++ b/PVRTCEncoder/CMakeLists.txt
@@ -68,6 +68,8 @@ SET( SOURCES
   src/PVRTCImage.cpp
 )
 
+OPTION(DEBUG_PVRTC_DECODER "Output intermediate images during PVRTC decoding." OFF)
+
 CONFIGURE_FILE(
   "config/PVRTCDefines.h.in"
   "include/PVRTCDefines.h"
@@ -87,7 +89,9 @@ ADD_LIBRARY( PVRTCEncoder
 )
 
 TARGET_LINK_LIBRARIES( PVRTCEncoder FasTCBase )
-TARGET_LINK_LIBRARIES( PVRTCEncoder FasTCIO )
+IF( DEBUG_PVRTC_DECODER )
+  TARGET_LINK_LIBRARIES( PVRTCEncoder FasTCIO )
+ENDIF( DEBUG_PVRTC_DECODER )
 
 IF( PVRTEXLIB_FOUND )
   TARGET_LINK_LIBRARIES( PVRTCEncoder ${PVRTEXLIB_LIBRARIES} )
diff --git a/PVRTCEncoder/config/PVRTCDefines.h.in b/PVRTCEncoder/config/PVRTCDefines.h.in
index 9aabc8d..d5aaa5f 100644
--- a/PVRTCEncoder/config/PVRTCDefines.h.in
+++ b/PVRTCEncoder/config/PVRTCDefines.h.in
@@ -51,3 +51,4 @@
  */
 
 #cmakedefine PVRTEXLIB_FOUND
+#cmakedefine DEBUG_PVRTC_DECODER
diff --git a/PVRTCEncoder/src/PVRTCImage.cpp b/PVRTCEncoder/src/PVRTCImage.cpp
index 2300176..a3c1f2d 100644
--- a/PVRTCEncoder/src/PVRTCImage.cpp
+++ b/PVRTCEncoder/src/PVRTCImage.cpp
@@ -66,7 +66,9 @@
 #include "Pixel.h"
 using FasTC::Pixel;
 
-#include "../../IO/include/ImageFile.h"
+#ifdef DEBUG_PVRTC_DECODER
+#  include "../../IO/include/ImageFile.h"
+#endif
 
 template <typename T>
 inline T Clamp(const T &v, const T &a, const T &b) {
@@ -540,6 +542,7 @@ uint32 Image::GetPixelIndex(int32 i, int32 j, EWrapMode wrapMode) const {
   return idx;
 }
 
+#ifdef DEBUG_PVRTC_DECODER
 void Image::DebugOutput(const char *filename) const {
   uint32 *outPixels = new uint32[GetWidth() * GetHeight()];
   const uint8 fullDepth[4] = { 8, 8, 8, 8 };
@@ -561,5 +564,8 @@ void Image::DebugOutput(const char *filename) const {
   ::ImageFile imgFile(debugFilename, eFileFormat_PNG, img);
   imgFile.Write();
 }
+#else
+void Image::DebugOutput(const char *filename) const { }
+#endif // DEBUG_PVRTC_DECODER
 
 }  // namespace PVRTCC