glMultiDrawElements — render multiple sets of primitives by specifying indices of array data elements
|const GLsizei * count,|
|const GLvoid ** indices,|
Specifies what kind of primitives to render.
Points to an array of the elements counts.
Specifies the type of the values in
indices. Must be one of
Specifies a pointer to the location where the indices are stored.
Specifies the size of the
glMultiDrawElements specifies multiple sets of geometric primitives with very few subroutine
calls. Instead of calling a GL function to pass each individual vertex,
normal, texture coordinate, edge flag, or color, you can prespecify
separate arrays of vertices, normals, and so on, and use them to construct a
sequence of primitives with a single call to
glMultiDrawElements is identical in operation to glDrawElements except that
primcount separate lists of elements are specified.
Vertex attributes that are modified by
glMultiDrawElements have an
unspecified value after
glMultiDrawElements returns. Attributes that aren't
modified maintain their previous values.
are available only if the GL version is 3.2 or greater.
GL_INVALID_ENUM is generated if
mode is not an accepted value.
GL_INVALID_VALUE is generated if
primcount is negative.
GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to an
enabled array or the element array and the buffer object's data store is currently mapped.
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