Texture Filter Selectors
A drawing engine may support a texture mapping filter mode that determines how a drawing engine performs texture mapping. You specify an engine's texture filter by assigning a value to itskQATag_TextureFilter
state variable. The default value of this variable for a drawing engine that supports texture mapping iskQATextureFilter_Fast
.
#define kQATextureFilter_Fast 0 #define kQATextureFilter_Mid 1 #define kQATextureFilter_Best 2Constant descriptions
kQATextureFilter_Fast
- The drawing engine performs whatever level of texture filtering it can do with no speed penalty. This often means that no texture filtering is performed.
kQATextureFilter_Mid
- The drawing engine performs a medium level of texture filtering. You should use this texture mapping filter mode when you want to perform texture mapping interactively.
kQATextureFilter_Best
- The drawing engine performs the highest level of texture filtering it can. This mode may be unsuitable for interactive rendering.