#ifndef TR_SUPPORT_H #define TR_SUPPORT_H extern void trQueryConvolutionState( void ); extern void trZeroGetterData( GLenum pname, GLsizei typesize, GLvoid * params ); extern void trPrintColorTableData( GLenum pname, GLenum type, GLvoid * params ); extern void trWriteTypeArray( GLenum type, GLsizei width, GLsizei pixelsize, GLint start, const GLvoid * ptr ); extern GLint trGetPixelSize( GLenum format, GLenum type ); #endif