coverity#1267670 Division or modulo by float zero

and

coverity#1267699 Division or modulo by float zero

Change-Id: If31037712208673438155b30369ebe1068387cba

1 files changed, 5 insertions, 7 deletions

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 854c09035ca3..dcede20838ee 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -934,23 +934,21 @@ void OpenGLSalGraphicsImpl::DrawTransformedTexture(
             return;
     }
 
-    if( areaScaling )
+    int mnWidth = rTexture.GetWidth();
+    int mnHeight = rTexture.GetHeight();
+    if(areaScaling )
     {
         // From OpenGLSalBitmap::ImplScaleArea().
-        if( fastAreaScaling )
+        if (fastAreaScaling && mnWidth && mnHeight)
         {
-            int mnWidth = rTexture.GetWidth();
-            int mnHeight = rTexture.GetHeight();
             mpProgram->SetUniform1i( "xscale", ixscale );
             mpProgram->SetUniform1i( "yscale", iyscale );
             mpProgram->SetUniform1f( "xstep", 1.0 / mnWidth );
             mpProgram->SetUniform1f( "ystep", 1.0 / mnHeight );
             mpProgram->SetUniform1f( "ratio", 1.0 / ( ixscale * iyscale ));
         }
-        else
+        else if (mnHeight > 1 && mnWidth > 1)
         {
-            int mnWidth = rTexture.GetWidth();
-            int mnHeight = rTexture.GetHeight();
             mpProgram->SetUniform1f( "xscale", ixscale );
             mpProgram->SetUniform1f( "yscale", iyscale );
             mpProgram->SetUniform1i( "swidth", mnWidth );