1 /* 2 * Copyright 2010 Tom Stellard <tstellar@gmail.com> 3 * 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial 16 * portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 */ 27 28 #include "radeon_program_constants.h" 29 30 #ifndef RADEON_PROGRAM_UTIL_H 31 #define RADEON_PROGRAM_UTIL_H 32 33 #include <stdbool.h> 34 35 #include "radeon_opcodes.h" 36 37 struct radeon_compiler; 38 struct rc_instruction; 39 struct rc_pair_instruction; 40 struct rc_pair_sub_instruction; 41 struct rc_src_register; 42 43 unsigned int rc_swizzle_to_writemask(unsigned int swz); 44 45 rc_swizzle get_swz(unsigned int swz, rc_swizzle idx); 46 47 unsigned int rc_init_swizzle(unsigned int initial_value, unsigned int channels); 48 49 unsigned int combine_swizzles4(unsigned int src, 50 rc_swizzle swz_x, rc_swizzle swz_y, 51 rc_swizzle swz_z, rc_swizzle swz_w); 52 53 unsigned int combine_swizzles(unsigned int src, unsigned int swz); 54 55 rc_swizzle rc_mask_to_swizzle(unsigned int mask); 56 57 unsigned swizzle_mask(unsigned swizzle, unsigned mask); 58 59 unsigned int rc_adjust_channels( 60 unsigned int old_swizzle, 61 unsigned int conversion_swizzle); 62 63 void rc_pair_rewrite_writemask( 64 struct rc_pair_sub_instruction * sub, 65 unsigned int conversion_swizzle); 66 67 void rc_normal_rewrite_writemask( 68 struct rc_instruction * inst, 69 unsigned int conversion_swizzle); 70 71 unsigned int rc_rewrite_swizzle( 72 unsigned int swizzle, 73 unsigned int new_mask); 74 75 struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg); 76 77 void reset_srcreg(struct rc_src_register* reg); 78 79 unsigned int rc_src_reads_dst_mask( 80 rc_register_file src_file, 81 unsigned int src_idx, 82 unsigned int src_swz, 83 rc_register_file dst_file, 84 unsigned int dst_idx, 85 unsigned int dst_mask); 86 87 unsigned int rc_source_type_swz(unsigned int swizzle); 88 89 unsigned int rc_source_type_mask(unsigned int mask); 90 91 unsigned int rc_inst_can_use_presub( 92 struct radeon_compiler * c, 93 struct rc_instruction * inst, 94 rc_presubtract_op presub_op, 95 unsigned int presub_writemask, 96 const struct rc_src_register * replace_reg, 97 const struct rc_src_register * presub_src0, 98 const struct rc_src_register * presub_src1); 99 100 int rc_get_max_index( 101 struct radeon_compiler * c, 102 rc_register_file file); 103 104 void rc_pair_remove_src(struct rc_instruction * inst, 105 unsigned int src_type, 106 unsigned int source); 107 108 rc_opcode rc_get_flow_control_inst(struct rc_instruction * inst); 109 110 struct rc_instruction * rc_match_endloop(struct rc_instruction * endloop); 111 struct rc_instruction * rc_match_bgnloop(struct rc_instruction * bgnloop); 112 113 unsigned int rc_make_conversion_swizzle( 114 unsigned int old_mask, 115 unsigned int new_mask); 116 117 unsigned int rc_src_reg_is_immediate( 118 struct radeon_compiler * c, 119 unsigned int file, 120 unsigned int index); 121 122 float rc_get_constant_value( 123 struct radeon_compiler * c, 124 unsigned int index, 125 unsigned int swizzle, 126 unsigned int negate, 127 unsigned int chan); 128 129 unsigned int rc_get_scalar_src_swz(unsigned int swizzle); 130 131 bool rc_inst_has_three_diff_temp_srcs(struct rc_instruction *inst); 132 #endif /* RADEON_PROGRAM_UTIL_H */ 133