fix framebuffer

src/framework/graphics/framebuffer.cpp

@@ -78,6 +78,9 @@ FrameBuffer::FrameBuffer(int width, int height)
                 m_fallbackOldImp = true;
                 break;
         }
+
+        // restore back buffer
+        oglBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
     } else {
         // otherwise fallback to copy texture from screen implementation
         m_fallbackOldImp = true;
@@ -147,6 +150,8 @@ void FrameBuffer::draw(int x, int y, int width, int height)
 {
     g_graphics.disableDrawing();
 
+    glEnable(GL_TEXTURE_2D);
+    glColor4ubv(Color::white.rgbaPtr());
     glBindTexture(GL_TEXTURE_2D, m_fboTexture);
     glBegin(GL_QUADS);
     glTexCoord2i(0, 0); glVertex2i(x,       y);

src/framework/graphics/graphics.cpp

@@ -33,7 +33,6 @@ void Graphics::init()
     glEnable(GL_ALPHA_TEST); // enable alpha by default
     glAlphaFunc(GL_GREATER, 0.0f); // default alpha mode
     glDisable(GL_DEPTH_TEST); // we are rendering 2D only, we don't need it
-    glEnable(GL_TEXTURE_2D); // enable textures by default
     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
     glShadeModel(GL_SMOOTH);
     glEnable(GL_BLEND);
@@ -127,6 +126,9 @@ void Graphics::disableDrawing()
     if(m_drawMode != DRAW_NONE) {
         glEnd();
         m_drawMode = DRAW_NONE;
+
+        m_bindedTexture.reset();
+        glColor4ubv(Color::white.rgbaPtr());
     }
 }