GL_KHR_robustness http://www.opengl.org/registry/specs/KHR/robustness.txt GL_KHR_robustness GL_CONTEXT_LOST 0x0507 GL_LOSE_CONTEXT_ON_RESET 0x8252 GL_GUILTY_CONTEXT_RESET 0x8253 GL_INNOCENT_CONTEXT_RESET 0x8254 GL_UNKNOWN_CONTEXT_RESET 0x8255 GL_RESET_NOTIFICATION_STRATEGY 0x8256 GL_NO_RESET_NOTIFICATION 0x8261 GL_CONTEXT_ROBUST_ACCESS 0x90F3 void glGetnUniformfv (GLuint program, GLint location, GLsizei bufSize, GLfloat* params) void glGetnUniformiv (GLuint program, GLint location, GLsizei bufSize, GLint* params) void glGetnUniformuiv (GLuint program, GLint location, GLsizei bufSize, GLuint* params) void glReadnPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data)