G
glGetPointer
Chapter 7
206
glGetPointer
glGetPointer: return the address of the specified pointer.
C Specification
void glGetPointerv(
GLenum pname,
GLvoid* *params)
Parameters
pname Specifies the array or buffer pointer to be returned. Symbolic constants
GL_COLOR_ARRAY_POINTER,
GL_EDGE_FLAG_ARRAY_POINTER,
GL_FEEDBACK_BUFFER_POINTER,
GL_INDEX_ARRAY_POINTER, GL_NORMAL_ARRAY_POINTER,
GL_TEXTURE_COORD_ARRAY_POINTER,
GL_SELECTION_BUFFER_POINTER, and
GL_VERTEX_ARRAY_POINTER are accepted.
params Returns the pointer value specified by pname.
Description
glGetPointerv returns pointer information. pname is a symbolic constant indicating the
pointer to be returned, and params is a pointer to a location in which to place the
returned data.
Notes
glGetPointerv is available only if the GL version is 1.1 or greater.
The pointers are all client-side state.
The initial value for each pointer is 0.
Errors
• GL_INVALID_ENUM is generated if pname is not an accepted value.
See Also
glArrayElement,
glColorPointer,
glDrawArrays,
glEdgeFlagPointer,
glFeedbackBuffer,
glIndexPointer,
glInterleavedArrays,
glNormalPointer,
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