mesa/src/gallium/auxiliary/gallivm/lp_bld_const.h

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/**
 * @file
 * Helper functions for constant building.
 *
 * @author Jose Fonseca <jfonseca@vmware.com>
 */


#ifndef LP_BLD_CONST_H
#define LP_BLD_CONST_H


#include "os/os_llvm.h"

#include <pipe/p_compiler.h>


struct lp_type;


unsigned
lp_mantissa(struct lp_type type);


unsigned
lp_const_shift(struct lp_type type);


unsigned
lp_const_offset(struct lp_type type);


double
lp_const_scale(struct lp_type type);

double
lp_const_min(struct lp_type type);


double
lp_const_max(struct lp_type type);


double
lp_const_eps(struct lp_type type);


LLVMValueRef
lp_build_undef(struct lp_type type);


LLVMValueRef
lp_build_zero(struct lp_type type);


LLVMValueRef
lp_build_one(struct lp_type type);


LLVMValueRef
lp_build_const_scalar(struct lp_type type,
                      double val);


LLVMValueRef
lp_build_int_const_scalar(struct lp_type type,
                          long long val);


LLVMValueRef
lp_build_const_aos(struct lp_type type, 
                   double r, double g, double b, double a, 
                   const unsigned char *swizzle);


LLVMValueRef
lp_build_const_mask_aos(struct lp_type type,
                        const boolean cond[4]);


#endif /* !LP_BLD_CONST_H */