Fixed: Sqeezed image for 1x image size
Fixed: Lowest scan line visible as first one with bilinear texture filtering enabled
Optimized: Textures are now a power of 2
Optimized: Clear screen only when necessary
Debug: Added #define D3D_DEBUG_INFO for debug builds
workaround: VSync will be disabled when the menu is opened in full screen mode
dynamic size for text messages
image will not be rendered to backbuffer but to textured triangle strip
fullScreenStretch will be applied immediately
bBilinear filter was not applied at initialization
minor fixes