wined3d: Combine two glScalef calls into one.

dlls/wined3d/state.c

@@ -2826,15 +2826,15 @@ static void transform_projection(DWORD state, IWineD3DStateBlockImpl *stateblock
          */
         glTranslatef(1.0 / stateblock->viewport.Width, -1.0/ stateblock->viewport.Height, -1.0);
         checkGLcall("glTranslatef (1.0 / width, -1.0 / height, -1.0)");
-        glScalef(1.0, 1.0, 2.0);
-        checkGLcall("glScalef");
-
-        /* D3D texture coordinates are flipped compared to OpenGL ones, so
-            * render everything upside down when rendering offscreen. */
         if (stateblock->wineD3DDevice->render_offscreen) {
-            glScalef(1.0, -1.0, 1.0);
-            checkGLcall("glScalef");
+            /* D3D texture coordinates are flipped compared to OpenGL ones, so
+             * render everything upside down when rendering offscreen. */
+            glScalef(1.0, -1.0, 2.0);
+        } else {
+            glScalef(1.0, 1.0, 2.0);
         }
+        checkGLcall("glScalef");
+
         glMultMatrixf((float *) &stateblock->transforms[WINED3DTS_PROJECTION].u.m[0][0]);
         checkGLcall("glLoadMatrixf");
     }