Lines Matching refs:GL_BACK
93 /* If the front buffer is the only buffer, GL_BACK and all other flags
109 * GL_BACK in that case.
117 case GL_BACK:
147 case GL_BACK:
209 case GL_BACK:
258 return buf == GL_BACK || buf == GL_NONE ||
423 * GL_FRONT_AND_BACK is illegal. The only exception is GL_BACK
462 (n != 1 || (buffers[0] != GL_NONE && buffers[0] != GL_BACK))) {
488 * Note "special value BACK". GL_BACK also refers to multiple buffers,
493 if (buffers[output] == GL_BACK &&
498 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(with GL_BACK n must be 1)",
506 (buffers[output] == GL_BACK &&
865 * \param buffer GL_FRONT, GL_BACK, GL_COLOR_ATTACHMENT0, etc.
890 * \param mode color buffer such as GL_FRONT, GL_BACK, etc.