HP b2600 Reference Manual page 353

GL_TEXTURE_BIT
GL_TRANSFORM_BIT
GL_VIEWPORT_BIT
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.
Errors
•
•
•
Chapter 14
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.
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_2D_BINDING)
Coefficients of the six clipping planes
Enable bits for the user-definable clipping
planes
GL_MATRIX_MODE value
GL_NORMALIZE flag
Depth range (near and far)
Viewport origin and extent
P
glPushAttrib
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