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glPushAttrib

Name

glPushAttrib — push and pop the server attribute stack

C Specification

void glPushAttrib(GLbitfield  mask);

Parameters

mask

Specifies a mask that indicates which attributes to save. Values for mask are listed below.

C Specification

void glPopAttrib(  void);

Description

glPushAttrib 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 specifying the bitwise-or of 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_BIT Accumulation buffer clear value
GL_COLOR_BUFFER_BIT GL_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_BIT Current 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_BIT GL_DEPTH_TEST enable bit
Depth buffer test function
Depth buffer clear value
GL_DEPTH_WRITEMASK enable bit
GL_ENABLE_BIT GL_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_MULTISAMPLE flag
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_SAMPLE_ALPHA_TO_COVERAGE flag
GL_SAMPLE_ALPHA_TO_ONE flag
GL_SAMPLE_COVERAGE 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_BIT GL_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_BIT GL_FOG enable bit
Fog color
Fog density
Linear fog start
Linear fog end
Fog index
GL_FOG_MODE value
GL_HINT_BIT GL_PERSPECTIVE_CORRECTION_HINT setting
GL_POINT_SMOOTH_HINT setting
GL_LINE_SMOOTH_HINT setting
GL_POLYGON_SMOOTH_HINT setting
GL_FOG_HINT setting
GL_GENERATE_MIPMAP_HINT setting
GL_TEXTURE_COMPRESSION_HINT setting
GL_LIGHTING_BIT GL_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_BIT GL_LINE_SMOOTH flag
GL_LINE_STIPPLE enable bit
Line stipple pattern and repeat counter
Line width
GL_LIST_BIT GL_LIST_BASE setting
GL_MULTISAMPLE_BIT GL_MULTISAMPLE flag
GL_SAMPLE_ALPHA_TO_COVERAGE flag
GL_SAMPLE_ALPHA_TO_ONE flag
GL_SAMPLE_COVERAGE flag
GL_SAMPLE_COVERAGE_VALUE value
GL_SAMPLE_COVERAGE_INVERT value
GL_PIXEL_MODE_BIT GL_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_BIT GL_POINT_SMOOTH flag
Point size
GL_POLYGON_BIT GL_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_BIT Polygon stipple image
GL_SCISSOR_BIT GL_SCISSOR_TEST flag
Scissor box
GL_STENCIL_BUFFER_BIT GL_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_BIT Enable 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_BIT Coefficients 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_BIT Depth 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.

Notes

Not 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.

For OpenGL versions 1.3 and greater, or when the ARB_multitexture extension is supported, pushing and popping texture state applies to all supported texture units.

Errors

GL_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 Gets

glGet with argument GL_ATTRIB_STACK_DEPTH

glGet with argument GL_MAX_ATTRIB_STACK_DEPTH

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