Autodesk 12812-051462-9011 User Guide 3 - Page 2544

Use BGRA Pixel Format When on, sends bitmaps using BGRA (blue-green-red-alpha) ordering for pixels. This is the default order for Windows. By default, OpenGL expects RGBA ordering. Because of this, under default conditions, loading textures or backgrounds requires the pixels to be reordered. OpenGL supports an extension that allows it to receive pixels in BGRA order. This means that bitmaps can be displayed directly, without reordering each pixel. Thus, assuming the OpenGL driver has efficient hardware support for BGRA pixels, turning on this option makes loading textures and background images much faster. Default=on. Use Generalized Vertex Arrays When on, enables 3ds Max to use custom driver code to render smoothly shaded objects. Typically this is much faster than using standard OpenGL code, but has an effect only when the driver has hardware-specific custom code. Default=on. Use Wireframe Faces When on, makes wireframe display accessible to hardware acceleration. Default=on. This option is intended to allow display-card manufacturers to accelerate 3ds Max wireframe displays in a way that is specific to the underlying display hardware. Check with your display-card manufacturer to see if enabling this option will yield faster wireframe rendering with your display card. Appearance Preferences group Enable Anti-Aliased Lines in Wireframe Views Draws lines slightly thicker and much smoother. This is best used for wireframe-only views, and especially if you're making a preview of wireframe objects. Background Texture Size Unlike the Software Display driver, which uses bitmaps to display viewport backgrounds directly, the OpenGL driver uses a texture-mapped background rectangle. This allows for smoother zooms and pans in orthographic views and can take less memory than the direct bitmap method. However, background bitmap resolution may be lost. Increase the resolution if you're using a maximized viewport to digitize. Download Texture Size Lets you choose the size of the texture map that's downloaded to the driver for texture-mapped scene objects. Larger maps look better, but use more display card memory. NOTE When Match Bitmap Size As Closely as Possible is on, these buttons are overridden, however they are still available. The value is still used when procedural textures are converted to bitmaps for viewport texture display. Match Bitmap Size as Closely as Possible To allow the viewport to show actual texture resolutions, bitmaps are individually resized before they are Graphics Driver Setup Dialog | 7799