cache rendering of UILabel

src/framework/graphics/framebuffer.cpp

@@ -42,6 +42,9 @@ FrameBuffer::~FrameBuffer()
 
 void FrameBuffer::resize(const Size& size)
 {
+    if(m_texture && m_texture->getSize() == size)
+        return;
+
     internalBind();
     m_texture = TexturePtr(new Texture(size.width(), size.height(), 4));
     m_texture->setSmooth(true);

src/framework/graphics/painter.cpp

@@ -131,8 +131,8 @@ void Painter::setCompositionMode(Painter::CompositionMode compositionMode)
     case CompositionMode_Multiply:
         glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA);
         break;
-    case CompositionMode_Addition:
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+    case CompositionMode_Add:
+        glBlendFunc(GL_ONE, GL_ONE);
         break;
     }
 }

src/framework/graphics/painter.h

@@ -34,7 +34,7 @@ public:
     enum CompositionMode {
         CompositionMode_Normal,
         CompositionMode_Multiply,
-        CompositionMode_Addition
+        CompositionMode_Add
     };
 
     void init();
@@ -57,6 +57,7 @@ public:
     void setCustomProgram(PainterShaderProgramPtr program);
     void releaseCustomProgram() { m_customProgram = nullptr; }
     void setCompositionMode(CompositionMode compositionMode);
+    void resetCompositionMode() { setCompositionMode(CompositionMode_Normal); }
 
     void setProjectionMatrix(const Matrix3& projectionMatrix) { m_projectionMatrix = projectionMatrix; }
     Matrix3 getProjectionMatrix() { return m_projectionMatrix; }

src/framework/graphics/particleemitter.cpp

@@ -163,7 +163,7 @@ bool ParticleEmitter::load(const OTMLNodePtr& node)
             else if(childNode->value() == "multiply")
                 m_pCompositionMode = Painter::CompositionMode_Multiply;
             else if(childNode->value() == "addition")
-                m_pCompositionMode = Painter::CompositionMode_Addition;
+                m_pCompositionMode = Painter::CompositionMode_Add;
         }
     }