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Member "mesa-20.1.8/src/gallium/drivers/r300/compiler/radeon_compiler.h" (16 Sep 2020, 5839 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    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 "memory_pool.h"
   27 #include "radeon_code.h"
   28 #include "radeon_program.h"
   29 #include "radeon_emulate_loops.h"
   30 
   31 #define RC_DBG_LOG        (1 << 0)
   32 #define RC_DBG_STATS      (1 << 1)
   33 
   34 struct rc_swizzle_caps;
   35 
   36 enum rc_program_type {
   37     RC_VERTEX_PROGRAM,
   38     RC_FRAGMENT_PROGRAM,
   39     RC_NUM_PROGRAM_TYPES
   40 };
   41 
   42 struct radeon_compiler {
   43     struct memory_pool Pool;
   44     struct rc_program Program;
   45     const struct rc_regalloc_state *regalloc_state;
   46     enum rc_program_type type;
   47     unsigned Debug:2;
   48     unsigned Error:1;
   49     char * ErrorMsg;
   50 
   51     /* Hardware specification. */
   52     unsigned is_r400:1;
   53     unsigned is_r500:1;
   54     unsigned has_half_swizzles:1;
   55     unsigned has_presub:1;
   56     unsigned has_omod:1;
   57     unsigned disable_optimizations:1;
   58     unsigned max_temp_regs;
   59     unsigned max_constants;
   60     int max_alu_insts;
   61     unsigned max_tex_insts;
   62 
   63     /* Whether to remove unused constants and empty holes in constant space. */
   64     unsigned remove_unused_constants:1;
   65 
   66     /**
   67      * Variables used internally, not be touched by callers
   68      * of the compiler
   69      */
   70     /*@{*/
   71     struct rc_swizzle_caps * SwizzleCaps;
   72     /*@}*/
   73 
   74     struct emulate_loop_state loop_state;
   75 
   76     unsigned initial_num_insts; /* Number of instructions at start. */
   77 };
   78 
   79 void rc_init(struct radeon_compiler * c, const struct rc_regalloc_state *rs);
   80 void rc_destroy(struct radeon_compiler * c);
   81 
   82 void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
   83 void rc_error(struct radeon_compiler * c, const char * fmt, ...);
   84 
   85 int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion);
   86 
   87 /**
   88  * This macro acts like an if-statement that can be used to implement
   89  * non-aborting assertions in the compiler.
   90  *
   91  * It checks whether \p cond is true. If not, an internal compiler error is
   92  * flagged and the if-clause is run.
   93  *
   94  * A typical use-case would be:
   95  *
   96  *  if (rc_assert(c, condition-that-must-be-true))
   97  *      return;
   98  */
   99 #define rc_assert(c, cond) \
  100     (!(cond) && rc_if_fail_helper(c, __FILE__, __LINE__, #cond))
  101 
  102 void rc_calculate_inputs_outputs(struct radeon_compiler * c);
  103 
  104 void rc_move_input(struct radeon_compiler * c, unsigned input, struct rc_src_register new_input);
  105 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
  106 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
  107 void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input,
  108                                 int full_vtransform);
  109 void rc_transform_fragment_face(struct radeon_compiler *c, unsigned face);
  110 
  111 struct r300_fragment_program_compiler {
  112     struct radeon_compiler Base;
  113     struct rX00_fragment_program_code *code;
  114     /* Optional transformations and features. */
  115     struct r300_fragment_program_external_state state;
  116     /* Register corresponding to the depthbuffer. */
  117     unsigned OutputDepth;
  118     /* Registers corresponding to the four colorbuffers. */
  119     unsigned OutputColor[4];
  120 
  121     void * UserData;
  122     void (*AllocateHwInputs)(
  123         struct r300_fragment_program_compiler * c,
  124         void (*allocate)(void * data, unsigned input, unsigned hwreg),
  125         void * mydata);
  126 };
  127 
  128 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c);
  129 
  130 struct r300_vertex_program_compiler {
  131     struct radeon_compiler Base;
  132     struct r300_vertex_program_code *code;
  133     uint32_t RequiredOutputs;
  134 
  135     void * UserData;
  136     void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c);
  137 
  138 };
  139 
  140 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c);
  141 void rc_vert_fc(struct radeon_compiler *compiler, void *user);
  142 void r300_vertex_program_dump(struct radeon_compiler *compiler, void *user);
  143 
  144 struct radeon_compiler_pass {
  145     const char *name;   /* Name of the pass. */
  146     int dump;       /* Dump the program if Debug == 1? */
  147     int predicate;      /* Run this pass? */
  148     void (*run)(struct radeon_compiler *c, void *user); /* The main entrypoint. */
  149     void *user;     /* Optional parameter which is passed to the run function. */
  150 };
  151 
  152 struct rc_program_stats {
  153     unsigned num_insts;
  154     unsigned num_fc_insts;
  155     unsigned num_tex_insts;
  156     unsigned num_rgb_insts;
  157     unsigned num_alpha_insts;
  158     unsigned num_presub_ops;
  159     unsigned num_temp_regs;
  160     unsigned num_omod_ops;
  161     unsigned num_inline_literals;
  162 };
  163 
  164 void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s);
  165 
  166 /* Executes a list of compiler passes given in the parameter 'list'. */
  167 void rc_run_compiler_passes(struct radeon_compiler *c, struct radeon_compiler_pass *list);
  168 void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *list);
  169 void rc_validate_final_shader(struct radeon_compiler *c, void *user);
  170 
  171 #endif /* RADEON_COMPILER_H */