Fix memory leak on window resize.

3 files changed, 26 insertions, 13 deletions

diff --git a/src/render/mobileopenglgraphics.cpp b/src/render/mobileopenglgraphics.cpp
index 86707fac8..c815d096d 100644
--- a/src/render/mobileopenglgraphics.cpp
+++ b/src/render/mobileopenglgraphics.cpp
@@ -113,10 +113,14 @@ void MobileOpenGLGraphics::initArrays()
     // need alocate small size, after if limit reached reallocate to double size
     const int sz = mMaxVertices * 4 + 30;
     vertexBufSize = mMaxVertices;
-    mFloatTexArray = new GLfloat[sz];
-    mShortVertArray = new GLshort[sz];
-    mFloatTexArrayCached = new GLfloat[sz];
-    mShortVertArrayCached = new GLshort[sz];
+    if (!mFloatTexArray)
+        mFloatTexArray = new GLfloat[sz];
+    if (!mShortVertArray)
+        mShortVertArray = new GLshort[sz];
+    if (!mFloatTexArrayCached)
+        mFloatTexArrayCached = new GLfloat[sz];
+    if (!mShortVertArrayCached)
+        mShortVertArrayCached = new GLshort[sz];
 }
 
 bool MobileOpenGLGraphics::setVideoMode(const int w, const int h,
diff --git a/src/render/normalopenglgraphics.cpp b/src/render/normalopenglgraphics.cpp
index 6bc25be32..ebac68e1b 100644
--- a/src/render/normalopenglgraphics.cpp
+++ b/src/render/normalopenglgraphics.cpp
@@ -131,12 +131,18 @@ void NormalOpenGLGraphics::initArrays()
     // need alocate small size, after if limit reached reallocate to double size
     vertexBufSize = mMaxVertices;
     const int sz = mMaxVertices * 4 + 30;
-    mFloatTexArray = new GLfloat[sz];
-    mIntTexArray = new GLint[sz];
-    mIntVertArray = new GLint[sz];
-    mFloatTexArrayCached = new GLfloat[sz];
-    mIntTexArrayCached = new GLint[sz];
-    mIntVertArrayCached = new GLint[sz];
+    if (!mFloatTexArray)
+        mFloatTexArray = new GLfloat[sz];
+    if (!mIntTexArray)
+        mIntTexArray = new GLint[sz];
+    if (!mIntVertArray)
+        mIntVertArray = new GLint[sz];
+    if (!mFloatTexArrayCached)
+        mFloatTexArrayCached = new GLfloat[sz];
+    if (!mIntTexArrayCached)
+        mIntTexArrayCached = new GLint[sz];
+    if (!mIntVertArrayCached)
+        mIntVertArrayCached = new GLint[sz];
 }
 
 bool NormalOpenGLGraphics::setVideoMode(const int w, const int h,
diff --git a/src/render/nullopenglgraphics.cpp b/src/render/nullopenglgraphics.cpp
index d09d7b13b..8782c9573 100644
--- a/src/render/nullopenglgraphics.cpp
+++ b/src/render/nullopenglgraphics.cpp
@@ -77,9 +77,12 @@ void NullOpenGLGraphics::initArrays()
     // need alocate small size, after if limit reached reallocate to double size
     vertexBufSize = mMaxVertices;
     const int sz = mMaxVertices * 4 + 30;
-    mFloatTexArray = new GLfloat[sz];
-    mIntTexArray = new GLint[sz];
-    mIntVertArray = new GLint[sz];
+    if (!mFloatTexArray)
+        mFloatTexArray = new GLfloat[sz];
+    if (!mIntTexArray)
+        mIntTexArray = new GLint[sz];
+    if (!mIntVertArray)
+        mIntVertArray = new GLint[sz];
 }
 
 bool NullOpenGLGraphics::setVideoMode(const int w, const int h,