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#include "radeon_program_constants.h"

#ifndef RADEON_PROGRAM_UTIL_H
#define RADEON_PROGRAM_UTIL_H

#include "radeon_opcodes.h"

struct radeon_compiler;
struct rc_instruction;
struct rc_pair_instruction;
struct rc_pair_sub_instruction;
struct rc_src_register;

unsigned int rc_swizzle_to_writemask(unsigned int swz);

rc_swizzle get_swz(unsigned int swz, rc_swizzle idx);

unsigned int rc_init_swizzle(unsigned int initial_value, unsigned int channels);

unsigned int combine_swizzles4(unsigned int src,
			       rc_swizzle swz_x, rc_swizzle swz_y,
			       rc_swizzle swz_z, rc_swizzle swz_w);

unsigned int combine_swizzles(unsigned int src, unsigned int swz);

rc_swizzle rc_mask_to_swizzle(unsigned int mask);

unsigned swizzle_mask(unsigned swizzle, unsigned mask);

unsigned int rc_adjust_channels(
	unsigned int old_swizzle,
	unsigned int conversion_swizzle);

void rc_pair_rewrite_writemask(
	struct rc_pair_sub_instruction * sub,
	unsigned int conversion_swizzle);

void rc_normal_rewrite_writemask(
	struct rc_instruction * inst,
	unsigned int conversion_swizzle);

unsigned int rc_rewrite_swizzle(
	unsigned int swizzle,
	unsigned int new_mask);

struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg);

void reset_srcreg(struct rc_src_register* reg);

unsigned int rc_src_reads_dst_mask(
		rc_register_file src_file,
		unsigned int src_idx,
		unsigned int src_swz,
		rc_register_file dst_file,
		unsigned int dst_idx,
		unsigned int dst_mask);

unsigned int rc_source_type_swz(unsigned int swizzle);

unsigned int rc_source_type_mask(unsigned int mask);

unsigned int rc_inst_can_use_presub(
	struct rc_instruction * inst,
	rc_presubtract_op presub_op,
	unsigned int presub_writemask,
	struct rc_src_register replace_reg,
	struct rc_src_register presub_src0,
	struct rc_src_register presub_src1);

int rc_get_max_index(
	struct radeon_compiler * c,
	rc_register_file file);

unsigned int rc_pair_remove_src(
	struct rc_instruction * inst,
	unsigned int src_type,
	unsigned int source,
	unsigned int new_readmask);

rc_opcode rc_get_flow_control_inst(struct rc_instruction * inst);

struct rc_instruction * rc_match_endloop(struct rc_instruction * endloop);
struct rc_instruction * rc_match_bgnloop(struct rc_instruction * bgnloop);

unsigned int rc_make_conversion_swizzle(
	unsigned int old_mask,
	unsigned int new_mask);

#endif /* RADEON_PROGRAM_UTIL_H */