src/mesa/shader/slang/slang_assemble.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5
   4  *
   5  * Copyright (C) 2005-2006  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_utility.h"
  29
  30 #if defined __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 struct slang_operation_;
  35
  36 typedef enum slang_assembly_type_
  37 {
  38         /* core */
  39         slang_asm_none,
  40         slang_asm_float_copy,
  41         slang_asm_float_move,
  42         slang_asm_float_push,
  43         slang_asm_float_deref,
  44         slang_asm_float_add,
  45         slang_asm_float_multiply,
  46         slang_asm_float_divide,
  47         slang_asm_float_negate,
  48         slang_asm_float_less,
  49         slang_asm_float_equal_exp,
  50         slang_asm_float_equal_int,
  51         slang_asm_float_to_int,
  52         slang_asm_float_sine,
  53         slang_asm_float_arcsine,
  54         slang_asm_float_arctan,
  55         slang_asm_float_power,
  56         slang_asm_float_log2,
  57         slang_asm_float_floor,
  58         slang_asm_float_ceil,
  59         slang_asm_float_noise1,
  60         slang_asm_float_noise2,
  61         slang_asm_float_noise3,
  62         slang_asm_float_noise4,
  63         slang_asm_int_copy,
  64         slang_asm_int_move,
  65         slang_asm_int_push,
  66         slang_asm_int_deref,
  67         slang_asm_int_to_float,
  68         slang_asm_int_to_addr,
  69         slang_asm_bool_copy,
  70         slang_asm_bool_move,
  71         slang_asm_bool_push,
  72         slang_asm_bool_deref,
  73         slang_asm_addr_copy,
  74         slang_asm_addr_push,
  75         slang_asm_addr_deref,
  76         slang_asm_addr_add,
  77         slang_asm_addr_multiply,
  78         slang_asm_vec4_tex1d,
  79         slang_asm_vec4_tex2d,
  80         slang_asm_vec4_tex3d,
  81         slang_asm_vec4_texcube,
  82         slang_asm_vec4_shad1d,
  83         slang_asm_vec4_shad2d,
  84         slang_asm_jump,
  85         slang_asm_jump_if_zero,
  86         slang_asm_enter,
  87         slang_asm_leave,
  88         slang_asm_local_alloc,
  89         slang_asm_local_free,
  90         slang_asm_local_addr,
  91         slang_asm_global_addr,
  92         slang_asm_call,
  93         slang_asm_return,
  94         slang_asm_discard,
  95         slang_asm_exit,
  96    /* GL_MESA_shader_debug */
  97         slang_asm_float_print,
  98         slang_asm_int_print,
  99         slang_asm_bool_print,
 100    /* vec4 */
 101    slang_asm_float_to_vec4,
 102    slang_asm_vec4_add,
 103    slang_asm_vec4_subtract,
 104    slang_asm_vec4_multiply,
 105    slang_asm_vec4_divide,
 106    slang_asm_vec4_negate,
 107    slang_asm_vec4_dot,
 108    slang_asm_vec4_copy,
 109    slang_asm_vec4_deref,
 110    slang_asm_vec4_equal_int,
 111    /* not a real assembly instruction */
 112         slang_asm__last
 113 } slang_assembly_type;
 114
 115 typedef struct slang_assembly_
 116 {
 117         slang_assembly_type type;
 118         GLfloat literal;
 119         GLuint param[2];
 120 } slang_assembly;
 121
 122 typedef struct slang_assembly_file_
 123 {
 124         slang_assembly *code;
 125         GLuint count;
 126         GLuint capacity;
 127 } slang_assembly_file;
 128
 129 extern GLvoid
 130 _slang_assembly_file_ctr (slang_assembly_file *);
 131
 132 GLvoid slang_assembly_file_destruct (slang_assembly_file *);
 133 GLboolean slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
 134 GLboolean slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
 135 GLboolean slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
 136 GLboolean slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);
 137
 138 typedef struct slang_assembly_file_restore_point_
 139 {
 140         GLuint count;
 141 } slang_assembly_file_restore_point;
 142
 143 GLboolean slang_assembly_file_restore_point_save (slang_assembly_file *,
 144         slang_assembly_file_restore_point *);
 145 GLboolean slang_assembly_file_restore_point_load (slang_assembly_file *,
 146         slang_assembly_file_restore_point *);
 147
 148 typedef struct slang_assembly_flow_control_
 149 {
 150         GLuint loop_start;                              /* for "continue" statement */
 151         GLuint loop_end;                                /* for "break" statement */
 152         GLuint function_end;                    /* for "return" statement */
 153 } slang_assembly_flow_control;
 154
 155 typedef struct slang_assembly_local_info_
 156 {
 157         GLuint ret_size;
 158         GLuint addr_tmp;
 159         GLuint swizzle_tmp;
 160 } slang_assembly_local_info;
 161
 162 typedef enum
 163 {
 164         slang_ref_force,
 165         slang_ref_forbid/*,
 166         slang_ref_freelance*/
 167 } slang_ref_type;
 168
 169 /*
 170  * Holds a complete information about vector swizzle - the <swizzle> array contains
 171  * vector component source indices, where 0 is "x", 1 is "y", 2 is "z" and 3 is "w".
 172  * Example: "xwz" --> { 3, { 0, 3, 2, not used } }.
 173  */
 174 typedef struct slang_swizzle_
 175 {
 176         GLuint num_components;
 177         GLuint swizzle[4];
 178 } slang_swizzle;
 179
 180 typedef struct slang_assembly_name_space_
 181 {
 182         struct slang_function_scope_ *funcs;
 183         struct slang_struct_scope_ *structs;
 184         struct slang_variable_scope_ *vars;
 185 } slang_assembly_name_space;
 186
 187 typedef struct slang_assemble_ctx_
 188 {
 189         slang_assembly_file *file;
 190         struct slang_machine_ *mach;
 191         slang_atom_pool *atoms;
 192         slang_assembly_name_space space;
 193         slang_assembly_flow_control flow;
 194         slang_assembly_local_info local;
 195         slang_ref_type ref;
 196         slang_swizzle swz;
 197 } slang_assemble_ctx;
 198
 199 struct slang_function_ *_slang_locate_function (struct slang_function_scope_ *funcs, slang_atom name,
 200         struct slang_operation_ *params, GLuint num_params, slang_assembly_name_space *space,
 201         slang_atom_pool *);
 202
 203 GLboolean _slang_assemble_function (slang_assemble_ctx *, struct slang_function_ *);
 204
 205 GLboolean _slang_cleanup_stack (slang_assemble_ctx *, struct slang_operation_ *);
 206
 207 GLboolean _slang_dereference (slang_assemble_ctx *, struct slang_operation_ *);
 208
 209 GLboolean _slang_assemble_function_call (slang_assemble_ctx *, struct slang_function_ *,
 210         struct slang_operation_ *, GLuint, GLboolean);
 211
 212 GLboolean _slang_assemble_function_call_name (slang_assemble_ctx *, const char *,
 213         struct slang_operation_ *, GLuint, GLboolean);
 214
 215 GLboolean _slang_assemble_operation (slang_assemble_ctx *, struct slang_operation_ *,
 216         slang_ref_type);
 217
 218 #ifdef __cplusplus
 219 }
 220 #endif
 221
 222 #include "slang_assemble_assignment.h"
 223 #include "slang_assemble_typeinfo.h"
 224 #include "slang_assemble_constructor.h"
 225 #include "slang_assemble_conditional.h"
 226
 227 #endif
 228