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OpenGL Programming Guide Appendix BOpenGL State Variables OpenGL State Variables| State Variable | Description | Attribute Group | Initial Value | Get Command |
|---|---|---|---|---|
GL_ORDER | 1D map order | -- | 1 | glGetMapiv() |
GL_ORDER | 2D map orders | -- | 1, 1 | glGetMapiv() |
GL_COEFF | 1D control points | -- | -- | glGetMapfv() |
GL_COEFF | 2D control points | -- | -- | glGetMapfv() |
GL_DOMAIN | 1D domain endpoints | -- | -- | glGetMapfv() |
GL_DOMAIN | 2D domain endpoints | -- | -- | glGetMapfv() |
GL_MAP1_x | 1D map enables: x is map type | eval/enable | GL_FALSE | glIsEnabled() |
GL_MAP2_x | 2D map enables: x is map type | eval/enable | GL_FALSE | glIsEnabled() |
GL_MAP1_GRID_DOMAIN | 1D grid endpoints | eval | 0, 1 | glGetFloatv() |
GL_MAP2_GRID_DOMAIN | 2D grid endpoints | eval | 0, 1; 0, 1 | glGetFloatv() |
GL_MAP1_GRID_SEGMENTS | 1D grid divisions | eval | 1 | glGetFloatv() |
GL_MAP2_GRID_SEGMENTS | 2D grid divisions | eval | 1,1 | glGetFloatv() |
GL_AUTO_NORMAL | True if automatic normal generation enabled | eval | GL_FALSE | glIsEnabled() |
OpenGL Programming Guide