show private message on screen

* disable GL blending in some situations to speedup on older hardware
* fix wrap size in CachedText

src/framework/graphics/cachedtext.cpp

@@ -55,6 +55,8 @@ void CachedText::update()
 
 void CachedText::wrapText(int maxWidth)
 {
-    if(m_font)
+    if(m_font) {
         m_text = m_font->wrapText(m_text, maxWidth);
+        update();
+    }
 }

src/framework/graphics/framebuffer.cpp

@@ -148,10 +148,10 @@ void FrameBuffer::internalRelease()
 
         // restore screen original content
         if(m_backuping) {
-            Painter::CompositionMode oldComposition = g_painter->getCompositionMode();
-            g_painter->setCompositionMode(Painter::CompositionMode_Replace);
+            glDisable(GL_BLEND);
+            g_painter->setColor(Color::white);
             g_painter->drawTexturedRect(screenRect, m_screenBackup, screenRect);
-            g_painter->setCompositionMode(oldComposition);
+            glEnable(GL_BLEND);
         }
     }
 }

src/framework/graphics/graphics.cpp

@@ -79,13 +79,6 @@ void Graphics::init()
     // blending is always enabled
     glEnable(GL_BLEND);
 
-    // face culling may improve performance
-    /*
-    glCullFace(GL_BACK);
-    glFrontFace(GL_CW);
-    glEnable(GL_CULL_FACE);
-    */
-
     // determine max texture size
     GLint maxTextureSize = 0;
     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);

src/framework/graphics/painter.cpp

@@ -162,9 +162,8 @@ void Painter::updateGlCompositionMode()
         case CompositionMode_Normal:
             if(g_graphics.canUseBlendFuncSeparate())
                 glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
-            else {
+            else
                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-            }
             break;
         case CompositionMode_Multiply:
             glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA);