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      1 #include "radeon_program_constants.h"
      2 
      3 #ifndef RADEON_PROGRAM_UTIL_H
      4 #define RADEON_PROGRAM_UTIL_H
      5 
      6 #include "radeon_opcodes.h"
      7 
      8 struct radeon_compiler;
      9 struct rc_instruction;
     10 struct rc_pair_instruction;
     11 struct rc_pair_sub_instruction;
     12 struct rc_src_register;
     13 
     14 unsigned int rc_swizzle_to_writemask(unsigned int swz);
     15 
     16 rc_swizzle get_swz(unsigned int swz, rc_swizzle idx);
     17 
     18 unsigned int rc_init_swizzle(unsigned int initial_value, unsigned int channels);
     19 
     20 unsigned int combine_swizzles4(unsigned int src,
     21 			       rc_swizzle swz_x, rc_swizzle swz_y,
     22 			       rc_swizzle swz_z, rc_swizzle swz_w);
     23 
     24 unsigned int combine_swizzles(unsigned int src, unsigned int swz);
     25 
     26 rc_swizzle rc_mask_to_swizzle(unsigned int mask);
     27 
     28 unsigned swizzle_mask(unsigned swizzle, unsigned mask);
     29 
     30 unsigned int rc_adjust_channels(
     31 	unsigned int old_swizzle,
     32 	unsigned int conversion_swizzle);
     33 
     34 void rc_pair_rewrite_writemask(
     35 	struct rc_pair_sub_instruction * sub,
     36 	unsigned int conversion_swizzle);
     37 
     38 void rc_normal_rewrite_writemask(
     39 	struct rc_instruction * inst,
     40 	unsigned int conversion_swizzle);
     41 
     42 unsigned int rc_rewrite_swizzle(
     43 	unsigned int swizzle,
     44 	unsigned int new_mask);
     45 
     46 struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg);
     47 
     48 void reset_srcreg(struct rc_src_register* reg);
     49 
     50 unsigned int rc_src_reads_dst_mask(
     51 		rc_register_file src_file,
     52 		unsigned int src_idx,
     53 		unsigned int src_swz,
     54 		rc_register_file dst_file,
     55 		unsigned int dst_idx,
     56 		unsigned int dst_mask);
     57 
     58 unsigned int rc_source_type_swz(unsigned int swizzle);
     59 
     60 unsigned int rc_source_type_mask(unsigned int mask);
     61 
     62 unsigned int rc_inst_can_use_presub(
     63 	struct rc_instruction * inst,
     64 	rc_presubtract_op presub_op,
     65 	unsigned int presub_writemask,
     66 	const struct rc_src_register * replace_reg,
     67 	const struct rc_src_register * presub_src0,
     68 	const struct rc_src_register * presub_src1);
     69 
     70 int rc_get_max_index(
     71 	struct radeon_compiler * c,
     72 	rc_register_file file);
     73 
     74 unsigned int rc_pair_remove_src(
     75 	struct rc_instruction * inst,
     76 	unsigned int src_type,
     77 	unsigned int source,
     78 	unsigned int new_readmask);
     79 
     80 rc_opcode rc_get_flow_control_inst(struct rc_instruction * inst);
     81 
     82 struct rc_instruction * rc_match_endloop(struct rc_instruction * endloop);
     83 struct rc_instruction * rc_match_bgnloop(struct rc_instruction * bgnloop);
     84 
     85 unsigned int rc_make_conversion_swizzle(
     86 	unsigned int old_mask,
     87 	unsigned int new_mask);
     88 
     89 unsigned int rc_src_reg_is_immediate(
     90 	struct radeon_compiler * c,
     91 	unsigned int file,
     92 	unsigned int index);
     93 
     94 float rc_get_constant_value(
     95 	struct radeon_compiler * c,
     96 	unsigned int index,
     97 	unsigned int swizzle,
     98 	unsigned int negate,
     99 	unsigned int chan);
    100 
    101 unsigned int rc_get_scalar_src_swz(unsigned int swizzle);
    102 
    103 #endif /* RADEON_PROGRAM_UTIL_H */
    104