The enumeration of OCCT-specific OpenGL/GLSL variables. 
| Enumerator | 
|---|
| OpenGl_OCC_MODEL_WORLD_MATRIX  |  | 
| OpenGl_OCC_WORLD_VIEW_MATRIX  |  | 
| OpenGl_OCC_PROJECTION_MATRIX  |  | 
| OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE  |  | 
| OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE  |  | 
| OpenGl_OCC_PROJECTION_MATRIX_INVERSE  |  | 
| OpenGl_OCC_MODEL_WORLD_MATRIX_TRANSPOSE  |  | 
| OpenGl_OCC_WORLD_VIEW_MATRIX_TRANSPOSE  |  | 
| OpenGl_OCC_PROJECTION_MATRIX_TRANSPOSE  |  | 
| OpenGl_OCC_MODEL_WORLD_MATRIX_INVERSE_TRANSPOSE  |  | 
| OpenGl_OCC_WORLD_VIEW_MATRIX_INVERSE_TRANSPOSE  |  | 
| OpenGl_OCC_PROJECTION_MATRIX_INVERSE_TRANSPOSE  |  | 
| OpenGl_OCC_CLIP_PLANE_EQUATIONS  |  | 
| OpenGl_OCC_CLIP_PLANE_CHAINS  |  | 
| OpenGl_OCC_CLIP_PLANE_COUNT  |  | 
| OpenGl_OCC_LIGHT_SOURCE_COUNT  |  | 
| OpenGl_OCC_LIGHT_SOURCE_TYPES  |  | 
| OpenGl_OCC_LIGHT_SOURCE_PARAMS  |  | 
| OpenGl_OCC_LIGHT_AMBIENT  |  | 
| OpenGl_OCC_LIGHT_SHADOWMAP_SIZE_BIAS  |  | 
| OpenGl_OCC_LIGHT_SHADOWMAP_SAMPLERS  |  | 
| OpenGl_OCC_LIGHT_SHADOWMAP_MATRICES  |  | 
| OpenGl_OCCT_TEXTURE_ENABLE  |  | 
| OpenGl_OCCT_DISTINGUISH_MODE  |  | 
| OpenGl_OCCT_PBR_MATERIAL  |  | 
| OpenGl_OCCT_COMMON_MATERIAL  |  | 
| OpenGl_OCCT_ALPHA_CUTOFF  |  | 
| OpenGl_OCCT_COLOR  |  | 
| OpenGl_OCCT_OIT_OUTPUT  |  | 
| OpenGl_OCCT_OIT_DEPTH_FACTOR  |  | 
| OpenGl_OCCT_TEXTURE_TRSF2D  |  | 
| OpenGl_OCCT_POINT_SIZE  |  | 
| OpenGl_OCCT_VIEWPORT  |  | 
| OpenGl_OCCT_LINE_WIDTH  |  | 
| OpenGl_OCCT_LINE_FEATHER  |  | 
| OpenGl_OCCT_LINE_STIPPLE_PATTERN  |  | 
| OpenGl_OCCT_LINE_STIPPLE_FACTOR  |  | 
| OpenGl_OCCT_WIREFRAME_COLOR  |  | 
| OpenGl_OCCT_QUAD_MODE_STATE  |  | 
| OpenGl_OCCT_ORTHO_SCALE  |  | 
| OpenGl_OCCT_SILHOUETTE_THICKNESS  |  | 
| OpenGl_OCCT_NB_SPEC_IBL_LEVELS  |  | 
| OpenGl_OCCT_NUMBER_OF_STATE_VARIABLES  |  |