Package org.lwjgl.opengles
Class IMGTextureFilterCubic
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- org.lwjgl.opengles.IMGTextureFilterCubic
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public final class IMGTextureFilterCubic extends java.lang.Object
Native bindings to the IMG_texture_filter_cubic extension.OpenGL ES provides two sampling methods available; nearest neighbor or linear filtering, with optional MIP Map sampling modes added to move between differently sized textures when downsampling.
This extension adds an additional, high quality cubic filtering mode, using a Catmull-Rom bicubic filter. Performing this kind of filtering can be done in a shader by using 16 samples, but this can be inefficient. The cubic filter mode exposes an optimized high quality texture sampling using fixed functionality.
This extension affects the way textures are sampled, by modifying the way texels within the same MIP-Map level are sampled and resolved. It does not affect MIP-Map filtering, which is still limited to linear or nearest.
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Field Summary
Fields Modifier and Type Field Description static int
GL_CUBIC_IMG
Accepted by theparams
parameters of TexParameterf, TexParameterfv, TexParameteri, TexParameteriv, SamplerParameterf, SamplerParameterfv, SamperParameteri and SamplerParameteriv, and returned inparams
by GetTexParameterfv, GetTexParameteriv, GetSamplerParameterfv and GetSamplerParameteriv whenpname
is TEXTURE_MIN_FILTER or TEXTURE_MAG_FILTER in either case.static int
GL_CUBIC_MIPMAP_LINEAR_IMG
GL_CUBIC_MIPMAP_NEAREST_IMGAccepted as above only whenpname
is TEXTURE_MIN_FILTER.
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Field Detail
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GL_CUBIC_IMG
Accepted by theparams
parameters of TexParameterf, TexParameterfv, TexParameteri, TexParameteriv, SamplerParameterf, SamplerParameterfv, SamperParameteri and SamplerParameteriv, and returned inparams
by GetTexParameterfv, GetTexParameteriv, GetSamplerParameterfv and GetSamplerParameteriv whenpname
is TEXTURE_MIN_FILTER or TEXTURE_MAG_FILTER in either case.
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GL_CUBIC_MIPMAP_NEAREST_IMG, GL_CUBIC_MIPMAP_LINEAR_IMG
Accepted as above only whenpname
is TEXTURE_MIN_FILTER.
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