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public text v1 · immutableqglDepthMask (GL_FALSE);
qglEnable (GL_BLEND);
qglBlendFunc (GL_ZERO, GL_SRC_COLOR);
qglTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
qglTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_DOT3_RGB); qglDepthMask (GL_FALSE);
qglEnable (GL_BLEND);
qglBlendFunc (GL_ZERO, GL_SRC_COLOR);
qglTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
qglTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_DOT3_RGB);