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| Hello, I am trying to use a modern Mac OS X approach to texture map frames of a QT movie onto a gluSphere. Here is what I do. - I grab the frames with QTVisualContextCopyImageForTime - I then create and setup the OpenGL texture with CVOpenGLTextureCacheCreateTextureFromImage - I can then happily map to GL_QUADS and such but I cannot then map to a glu quadratic (gluSphere) It seems gluSphere only lets us map a power of 2 texture. CVOpenGLTextureCacheCreateTextureFromImage returns a non power of 2 texture. Does anyone know another way to get texture data from QTVisualContextCopyImageForTime for glTexture2D or such. Would I have to go back to a GWorld to try and do this and create a power of 2 texture? Is there a way to use gluSphere with a non power of 2 texture. I am not sure I know my math well enough to create my own sphere and handle my own mapping. Any other ideas? Matt Veenstra tribalmedia.com |
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