void gl_GetFloatv(GLcontext *ctx, GLenum pname, GLfloat *params)
void gl_GetDoublev(GLcontext *ctx, GLenum pname, GLdouble *params)
void gl_GetBooleanv(GLcontext *ctx, GLenum pname, GLboolean *params)
void gl_GetIntegerv(GLcontext *ctx, GLenum pname, GLint *params)
GLenum const GLfloat * params