GLPUSHATTRIB - Online Linux Manual PageSection : 3G
NAME"glPushAttrib, glPopAttrib − push and pop the server attribute stack
C SPECIFICATIONvoid glPushAttrib( GLbitfield mask )
PARAMETERSmask Specifies a mask that indicates which attributes to save. Values for mask are listed below.
C SPECIFICATIONvoid glPopAttrib( void )
DESCRIPTIONglPushAttrib takes one argument, a mask that indicates which groups of state variables to save on the attribute stack. Symbolic constants are used to set bits in the mask. mask is typically constructed by ORing several of these constants together. The special mask GL_ALL_ATTRIB_BITS can be used to save all stackable states. The symbolic mask constants and their associated GL state are as follows (the second column lists which attributes are saved): GL_ACCUM_BUFFER_BITAccumulation buffer clear value GL_COLOR_BUFFER_BITGL_ALPHA_TEST enable bit Alpha test function and reference value GL_BLEND enable bit Blending source and destination functions Constant blend color Blending equation GL_DITHER enable bit GL_DRAW_BUFFER setting GL_COLOR_LOGIC_OP enable bit GL_INDEX_LOGIC_OP enable bit Logic op function Color mode and index mode clear values Color mode and index mode writemasks GL_CURRENT_BITCurrent RGBA color Current color index Current normal vector Current texture coordinates Current raster position GL_CURRENT_RASTER_POSITION_VALID flag RGBA color associated with current raster position Color index associated with current raster position Texture coordinates associated with current raster position GL_EDGE_FLAG flag GL_DEPTH_BUFFER_BITGL_DEPTH_TEST enable bit Depth buffer test function Depth buffer clear value GL_DEPTH_WRITEMASK enable bit GL_ENABLE_BITGL_ALPHA_TEST flag GL_AUTO_NORMAL flag GL_BLEND flag Enable bits for the user-definable clipping planes GL_COLOR_MATERIAL GL_CULL_FACE flag GL_DEPTH_TEST flag GL_DITHER flag GL_FOG flag GL_LIGHTi where 0 <= i<GL_MAX_LIGHTS GL_LIGHTING flag GL_LINE_SMOOTH flag GL_LINE_STIPPLE flag GL_COLOR_LOGIC_OP flag GL_INDEX_LOGIC_OP flag GL_MAP1_x where x is a map type GL_MAP2_x where x is a map type GL_NORMALIZE flag GL_POINT_SMOOTH flag GL_POLYGON_OFFSET_LINE flag GL_POLYGON_OFFSET_FILL flag GL_POLYGON_OFFSET_POINT flag GL_POLYGON_SMOOTH flag GL_POLYGON_STIPPLE flag GL_SCISSOR_TEST flag GL_STENCIL_TEST flag GL_TEXTURE_1D flag GL_TEXTURE_2D flag GL_TEXTURE_3D flag Flags GL_TEXTURE_GEN_x where x is S, T, R, or Q GL_EVAL_BITGL_MAP1_x enable bits, where x is a map type GL_MAP2_x enable bits, where x is a map type 1D grid endpoints and divisions 2D grid endpoints and divisions GL_AUTO_NORMAL enable bit GL_FOG_BITGL_FOG enable bit Fog color Fog density Linear fog start Linear fog end Fog index GL_FOG_MODE value GL_HINT_BITGL_PERSPECTIVE_CORRECTION_HINT setting GL_POINT_SMOOTH_HINT setting GL_LINE_SMOOTH_HINT setting GL_POLYGON_SMOOTH_HINT setting GL_FOG_HINT setting GL_LIGHTING_BITGL_COLOR_MATERIAL enable bit GL_COLOR_MATERIAL_FACE value Color material parameters that are tracking the current color Ambient scene color GL_LIGHT_MODEL_LOCAL_VIEWER value GL_LIGHT_MODEL_TWO_SIDE setting GL_LIGHTING enable bit Enable bit for each light Ambient, diffuse, and specular intensity for each light Direction, position, exponent, and cutoff angle for each light Constant, linear, and quadratic attenuation factors for each light Ambient, diffuse, specular, and emissive color for each material Ambient, diffuse, and specular color indices for each material Specular exponent for each material GL_SHADE_MODEL setting GL_LINE_BITGL_LINE_SMOOTH flag GL_LINE_STIPPLE enable bit Line stipple pattern and repeat counter Line width GL_LIST_BITGL_LIST_BASE setting GL_PIXEL_MODE_BITGL_RED_BIAS and GL_RED_SCALE settings GL_GREEN_BIAS and GL_GREEN_SCALE values GL_BLUE_BIAS and GL_BLUE_SCALE GL_ALPHA_BIAS and GL_ALPHA_SCALE GL_DEPTH_BIAS and GL_DEPTH_SCALE GL_INDEX_OFFSET and GL_INDEX_SHIFT values GL_MAP_COLOR and GL_MAP_STENCIL flags GL_ZOOM_X and GL_ZOOM_Y factors GL_READ_BUFFER setting GL_POINT_BITGL_POINT_SMOOTH flag Point size GL_POLYGON_BITGL_CULL_FACE enable bit GL_CULL_FACE_MODE value GL_FRONT_FACE indicator GL_POLYGON_MODE setting GL_POLYGON_SMOOTH flag GL_POLYGON_STIPPLE enable bit GL_POLYGON_OFFSET_FILL flag GL_POLYGON_OFFSET_LINE flag GL_POLYGON_OFFSET_POINT flag GL_POLYGON_OFFSET_FACTOR GL_POLYGON_OFFSET_UNITS GL_POLYGON_STIPPLE_BITPolygon stipple image GL_SCISSOR_BITGL_SCISSOR_TEST flag Scissor box GL_STENCIL_BUFFER_BITGL_STENCIL_TEST enable bit Stencil function and reference value Stencil value mask Stencil fail, pass, and depth buffer pass actions Stencil buffer clear value Stencil buffer writemask GL_TEXTURE_BITEnable bits for the four texture coordinates Border color for each texture image Minification function for each texture image Magnification function for each texture image Texture coordinates and wrap mode for each texture image Color and mode for each texture environment Enable bits GL_TEXTURE_GEN_x, x is S, T, R, and Q GL_TEXTURE_GEN_MODE setting for S, T, R, and Q glTexGen plane equations for S, T, R, and Q Current texture bindings (for example, GL_TEXTURE_BINDING_2D) GL_TRANSFORM_BITCoefficients of the six clipping planes Enable bits for the user-definable clipping planes GL_MATRIX_MODE value GL_NORMALIZE flag GL_RESCALE_NORMAL flag GL_VIEWPORT_BITDepth range (near and far) Viewport origin and extent glPopAttrib restores the values of the state variables saved with the last
glPushAttrib command. Those not saved are left unchanged. It is an error to push attributes onto a full stack, or to pop attributes off an empty stack. In either case, the error flag is set and no other change is made to GL state. Initially, the attribute stack is empty.
NOTESNot all values for GL state can be saved on the attribute stack. For example, render mode state, and select and feedback state cannot be saved. Client state must be saved with glPushClientAttrib. The depth of the attribute stack depends on the implementation, but it must be at least 16. When the GL_ARB_multitexture extension is supported, pushing and popping texture state apples to all supported texture units.
ERRORSGL_STACK_OVERFLOW is generated if glPushAttrib is called while the attribute stack is full. GL_STACK_UNDERFLOW is generated if glPopAttrib is called while the attribute stack is empty. GL_INVALID_OPERATION is generated if glPushAttrib or glPopAttrib is executed between the execution of glBegin and the corresponding execution of glEnd.
ASSOCIATED GETSglGet with argument GL_ATTRIB_STACK_DEPTH
glGet with argument GL_MAX_ATTRIB_STACK_DEPTH
SEE ALSOglGet(3G), glGetClipPlane(3G), glGetError(3G), glGetLight(3G), glGetMap(3G), glGetMaterial(3G),
glGetPixelMap(3G), glGetPolygonStipple(3G), glGetString(3G), glGetTexEnv(3G), glGetTexGen(3G), glGetTexImage(3G), glGetTexLevelParameter(3G), glGetTexParameter(3G), glIsEnabled(3G), glPushClientAttrib(3G) 0
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