In many OpenGL implementations, there should be almost no performance penalty for using this function instead of regular texture filtering. 清单11.14展示了这么做的GLSL代码。如你所见,我们只需要增加一点点代码,并且纹理采样的数量跟之前是一样的。在很多OpenGL实现中,这么做应该不会带来什么性能上的问题。
A texture filtering unit is described that comprises inputs arranged to receive at least two texture values each clock cycle and a plurality of filter coefficients, the plurality of filter coefficients relating to a plurality of different texture filtering methods; hardware logic arranged to convert ...
GPU gems 2 : programming techniques for high-performance graphics and general-purpose computation / edited by Matt Pharr ; Randima Fernando, series editor. p. cm. Includes bibliographical references and index. ISBN 0-321-33559-7 (hardcover : alk. paper) ...
摘要: Provided are methods, systems and graphics processing apparatus, for improving graphics system performance using an adaptive texture coefficient table filter for texture filtering. The texture filter is programmed with various texture coefficients for advanced texture filtering operations.收藏...
Anisotropic Filtering 16X效果最好,但是显卡Performance会下降很多,当然也是测试你手中显卡Texture Unit的好方法。如果你觉得你的显卡够牛,那么就把AA和AF都打到最高再试试吧:) In3D computer graphics,anisotropic filtering(abbreviatedAF) is a method of enhancing the image quality oftextureson surfaces of compu...
(as measured on a GeForce 6800 GT, depending on various factors such as filtering mode and original program complexity). However, the speed is still fast enough for most applications, and the savings in texture memory is substantial. There are quality limitations of our approach at low...
Entropy of Gabor Filtering for Image Quality Assessment. In Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Proceedings of the International Conference Image Analysis and Recognition, Berlin, Heidelberg, Varzim, Portugal,...
rgbcx is another high-performance (but scalar) BC1-5 encoder. stb_dxt is a single header library that provides low quality, but fast BC1-5 encoders. Binomial is an image and texture compression company that develops Basis a universal texture codec and also has other open source codecs. Int...
Aniso Level Increases Texture quality when viewing the Texture at a steep angle. Anisotropic filtering is good for floor and ground Textures but comes at a high performance cost. See documentation on Importing Textures for more information on Anisotropic filtering. All Texture TypesPlatform-specific ov...
This can be also understood by examining the correlation between the changing magnitude of some average texture features within the images and changes in human observer detection performance as we vary system or filtering operations. In the above sections, we described our image generation methods, ...