src/mesa/shader/slang/slang_assemble.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 2005  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #if !defined SLANG_ASSEMBLE_H
  26 #define SLANG_ASSEMBLE_H
  27
  28 #include "slang_compile.h"
  29
  30 #if defined __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 typedef enum slang_assembly_type_
  35 {
  36         /* core */
  37         slang_asm_none,
  38         slang_asm_float_copy,
  39         slang_asm_float_move,
  40         slang_asm_float_push,
  41         slang_asm_float_deref,
  42         slang_asm_float_add,
  43         slang_asm_float_multiply,
  44         slang_asm_float_divide,
  45         slang_asm_float_negate,
  46         slang_asm_float_less,
  47         slang_asm_float_equal,
  48         slang_asm_float_to_int,
  49         slang_asm_int_copy,
  50         slang_asm_int_move,
  51         slang_asm_int_push,
  52         slang_asm_int_deref,
  53         slang_asm_int_to_float,
  54         slang_asm_int_to_addr,
  55         slang_asm_bool_copy,
  56         slang_asm_bool_move,
  57         slang_asm_bool_push,
  58         slang_asm_bool_deref,
  59         slang_asm_addr_copy,
  60         slang_asm_addr_push,
  61         slang_asm_addr_deref,
  62         slang_asm_addr_add,
  63         slang_asm_addr_multiply,
  64         slang_asm_jump,
  65         slang_asm_jump_if_zero,
  66         slang_asm_enter,
  67         slang_asm_leave,
  68         slang_asm_local_alloc,
  69         slang_asm_local_free,
  70         slang_asm_local_addr,
  71         slang_asm_call,
  72         slang_asm_return,
  73         slang_asm_discard,
  74         slang_asm_exit,
  75         slang_asm__last
  76 } slang_assembly_type;
  77
  78 typedef struct slang_assembly_
  79 {
  80         slang_assembly_type type;
  81         GLfloat literal;
  82         GLuint param[2];
  83 } slang_assembly;
  84
  85 typedef struct slang_assembly_file_
  86 {
  87         slang_assembly *code;
  88         unsigned int count;
  89 } slang_assembly_file;
  90
  91 void slang_assembly_file_construct (slang_assembly_file *);
  92 void slang_assembly_file_destruct (slang_assembly_file *);
  93 int slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
  94 int slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
  95 int slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
  96 int slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);
  97
  98 typedef struct slang_assembly_flow_control_
  99 {
 100         unsigned int loop_start;                        /* for "continue" statement */
 101         unsigned int loop_end;                          /* for "break" statement */
 102         unsigned int function_end;                      /* for "return" statement */
 103 } slang_assembly_flow_control;
 104
 105 typedef struct slang_assembly_name_space_
 106 {
 107         struct slang_function_scope_ *funcs;
 108         struct slang_struct_scope_ *structs;
 109         struct slang_variable_scope_ *vars;
 110 } slang_assembly_name_space;
 111
 112 slang_function *_slang_locate_function (const char *name, slang_operation *params,
 113         unsigned int num_params, slang_assembly_name_space *space);
 114
 115 int _slang_assemble_function (slang_assembly_file *, struct slang_function_ *,
 116         slang_assembly_name_space *);
 117
 118 typedef struct slang_assembly_stack_info_
 119 {
 120         unsigned int swizzle_mask;
 121 } slang_assembly_stack_info;
 122
 123 int _slang_cleanup_stack (slang_assembly_file *, slang_operation *, int ref,
 124         slang_assembly_name_space *);
 125
 126 typedef struct slang_assembly_local_info_
 127 {
 128         unsigned int ret_size;
 129         unsigned int addr_tmp;
 130         unsigned int swizzle_tmp;
 131 } slang_assembly_local_info;
 132
 133 int _slang_assemble_operation (slang_assembly_file *, struct slang_operation_ *, int reference,
 134         slang_assembly_flow_control *, slang_assembly_name_space *, slang_assembly_local_info *,
 135         slang_assembly_stack_info *);
 136
 137 void xxx_first (slang_assembly_file *);
 138 void xxx_prolog (slang_assembly_file *);
 139
 140 #ifdef __cplusplus
 141 }
 142 #endif
 143
 144 #endif
 145