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Saving textures

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How do I save a texture to a file? I don't need to know how t format the data for a particular file type, I just need to know how to get the texture data. How is it done? EDIT: I tried using glGetTexImage( GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_INT, pPicture ); pPicture is "unsigned int pPicture[256*256*3];" but I can't tell if the operation successfully filled pPicture with the correct data. How could I test it out? [edited by - Mulligan on December 2, 2002 7:35:58 PM]

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normally u use unsigned byte

GLubyte pPicture[256*256*3];
glGetTexImage( GL_TEXTURE_2D, 0, GL_RGB, GL_UNSIGNED_BYTE pPicture );

this should work, to see if it did save the data inot a tga file (for example) + open it up in a paint program


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