From 2869aba7b49f3851247df169acbda0fc76de112f Mon Sep 17 00:00:00 2001
From: dualface <dualface@gmail.com>
Date: Fri, 14 Sep 2012 17:54:53 +0800
Subject: [PATCH] avoid unused memory alloc

---
 cocos2dx/CCDrawingPrimitives.cpp | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/cocos2dx/CCDrawingPrimitives.cpp b/cocos2dx/CCDrawingPrimitives.cpp
index 085ba16c1b..0b07e47334 100644
--- a/cocos2dx/CCDrawingPrimitives.cpp
+++ b/cocos2dx/CCDrawingPrimitives.cpp
@@ -186,30 +186,35 @@ void ccDrawPoly( const CCPoint *poli, unsigned int numberOfPoints, bool closePol
 
     ccGLEnableVertexAttribs( kCCVertexAttribFlag_Position );
 
-    // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
-    ccVertex2F* newPoli = new ccVertex2F[numberOfPoints];
-
     // iPhone and 32-bit machines optimization
     if( sizeof(CCPoint) == sizeof(ccVertex2F) )
+    {
         glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, poli);
 
+        if( closePolygon )
+            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
+        else
+            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
+    }
     else
     {
         // Mac on 64-bit
+        // XXX: Mac OpenGL error. arrays can't go out of scope before draw is executed
+        ccVertex2F* newPoli = new ccVertex2F[numberOfPoints];
         for( unsigned int i=0; i<numberOfPoints;i++) {
             newPoli[i].x = poli[i].x;
             newPoli[i].y = poli[i].y;
         }
         glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, newPoli);
+
+        if( closePolygon )
+            glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
+        else
+            glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
+
+        CC_SAFE_DELETE_ARRAY(newPoli);
     }
 
-    if( closePolygon )
-        glDrawArrays(GL_LINE_LOOP, 0, (GLsizei) numberOfPoints);
-    else
-        glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) numberOfPoints);
-
-    CC_SAFE_DELETE_ARRAY(newPoli);
-
     CC_INCREMENT_GL_DRAWS(1);
 }