1 /* 2 * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 22 23 #ifndef RADEON_COMPILER_H 24 #define RADEON_COMPILER_H 25 26 #include "main/compiler.h" 27 28 #include "memory_pool.h" 29 #include "radeon_code.h" 30 #include "radeon_program.h" 31 #include "radeon_emulate_loops.h" 32 33 #define RC_DBG_LOG (1 << 0) 34 #define RC_DBG_STATS (1 << 1) 35 36 struct rc_swizzle_caps; 37 38 enum rc_program_type { 39 RC_VERTEX_PROGRAM, 40 RC_FRAGMENT_PROGRAM, 41 RC_NUM_PROGRAM_TYPES 42 }; 43 44 struct radeon_compiler { 45 struct memory_pool Pool; 46 struct rc_program Program; 47 enum rc_program_type type; 48 unsigned Debug:2; 49 unsigned Error:1; 50 char * ErrorMsg; 51 52 /* Hardware specification. */ 53 unsigned is_r400:1; 54 unsigned is_r500:1; 55 unsigned has_half_swizzles:1; 56 unsigned has_presub:1; 57 unsigned has_omod:1; 58 unsigned disable_optimizations:1; 59 unsigned max_temp_regs; 60 unsigned max_constants; 61 int max_alu_insts; 62 unsigned max_tex_insts; 63 64 /* Whether to remove unused constants and empty holes in constant space. */ 65 unsigned remove_unused_constants:1; 66 67 /** 68 * Variables used internally, not be touched by callers 69 * of the compiler 70 */ 71 /*@{*/ 72 struct rc_swizzle_caps * SwizzleCaps; 73 /*@}*/ 74 75 struct emulate_loop_state loop_state; 76 77 unsigned initial_num_insts; /* Number of instructions at start. */ 78 }; 79 80 void rc_init(struct radeon_compiler * c); 81 void rc_destroy(struct radeon_compiler * c); 82 83 void rc_debug(struct radeon_compiler * c, const char * fmt, ...); 84 void rc_error(struct radeon_compiler * c, const char * fmt, ...); 85 86 int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion); 87 88 /** 89 * This macro acts like an if-statement that can be used to implement 90 * non-aborting assertions in the compiler. 91 * 92 * It checks whether \p cond is true. If not, an internal compiler error is 93 * flagged and the if-clause is run. 94 * 95 * A typical use-case would be: 96 * 97 * if (rc_assert(c, condition-that-must-be-true)) 98 * return; 99 */ 100 #define rc_assert(c, cond) \ 101 (!(cond) && rc_if_fail_helper(c, __FILE__, __LINE__, #cond)) 102 103 void rc_calculate_inputs_outputs(struct radeon_compiler * c); 104 105 void rc_move_input(struct radeon_compiler * c, unsigned input, struct rc_src_register new_input); 106 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask); 107 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output); 108 void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input, 109 int full_vtransform); 110 void rc_transform_fragment_face(struct radeon_compiler *c, unsigned face); 111 112 struct r300_fragment_program_compiler { 113 struct radeon_compiler Base; 114 struct rX00_fragment_program_code *code; 115 /* Optional transformations and features. */ 116 struct r300_fragment_program_external_state state; 117 /* Register corresponding to the depthbuffer. */ 118 unsigned OutputDepth; 119 /* Registers corresponding to the four colorbuffers. */ 120 unsigned OutputColor[4]; 121 122 void * UserData; 123 void (*AllocateHwInputs)( 124 struct r300_fragment_program_compiler * c, 125 void (*allocate)(void * data, unsigned input, unsigned hwreg), 126 void * mydata); 127 }; 128 129 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c); 130 131 struct r300_vertex_program_compiler { 132 struct radeon_compiler Base; 133 struct r300_vertex_program_code *code; 134 uint32_t RequiredOutputs; 135 136 void * UserData; 137 void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c); 138 139 }; 140 141 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c); 142 void rc_vert_fc(struct radeon_compiler *compiler, void *user); 143 void r300_vertex_program_dump(struct radeon_compiler *compiler, void *user); 144 145 struct radeon_compiler_pass { 146 const char *name; /* Name of the pass. */ 147 int dump; /* Dump the program if Debug == 1? */ 148 int predicate; /* Run this pass? */ 149 void (*run)(struct radeon_compiler *c, void *user); /* The main entrypoint. */ 150 void *user; /* Optional parameter which is passed to the run function. */ 151 }; 152 153 struct rc_program_stats { 154 unsigned num_insts; 155 unsigned num_fc_insts; 156 unsigned num_tex_insts; 157 unsigned num_rgb_insts; 158 unsigned num_alpha_insts; 159 unsigned num_presub_ops; 160 unsigned num_temp_regs; 161 unsigned num_omod_ops; 162 unsigned num_inline_literals; 163 }; 164 165 void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s); 166 167 /* Executes a list of compiler passes given in the parameter 'list'. */ 168 void rc_run_compiler_passes(struct radeon_compiler *c, struct radeon_compiler_pass *list); 169 void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *list); 170 void rc_validate_final_shader(struct radeon_compiler *c, void *user); 171 172 #endif /* RADEON_COMPILER_H */ 173