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/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#if !defined SLANG_ASSEMBLE_H
#define SLANG_ASSEMBLE_H
#include "slang_compile.h"
#if defined __cplusplus
extern "C" {
#endif
typedef enum slang_assembly_type_
{
/* core */
slang_asm_none,
slang_asm_float_copy,
slang_asm_float_move,
slang_asm_float_push,
slang_asm_float_deref,
slang_asm_float_add,
slang_asm_float_multiply,
slang_asm_float_divide,
slang_asm_float_negate,
slang_asm_float_less,
slang_asm_float_equal,
slang_asm_float_to_int,
slang_asm_int_copy,
slang_asm_int_move,
slang_asm_int_push,
slang_asm_int_deref,
slang_asm_int_to_float,
slang_asm_int_to_addr,
slang_asm_bool_copy,
slang_asm_bool_move,
slang_asm_bool_push,
slang_asm_bool_deref,
slang_asm_addr_copy,
slang_asm_addr_push,
slang_asm_addr_deref,
slang_asm_addr_add,
slang_asm_addr_multiply,
slang_asm_jump,
slang_asm_jump_if_zero,
slang_asm_enter,
slang_asm_leave,
slang_asm_local_alloc,
slang_asm_local_free,
slang_asm_local_addr,
slang_asm_call,
slang_asm_return,
slang_asm_discard,
slang_asm_exit,
slang_asm__last
} slang_assembly_type;
typedef struct slang_assembly_
{
slang_assembly_type type;
GLfloat literal;
GLuint param[2];
} slang_assembly;
typedef struct slang_assembly_file_
{
slang_assembly *code;
unsigned int count;
} slang_assembly_file;
void slang_assembly_file_construct (slang_assembly_file *);
void slang_assembly_file_destruct (slang_assembly_file *);
int slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
int slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
int slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
int slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);
typedef struct slang_assembly_flow_control_
{
unsigned int loop_start; /* for "continue" statement */
unsigned int loop_end; /* for "break" statement */
unsigned int function_end; /* for "return" statement */
} slang_assembly_flow_control;
typedef struct slang_assembly_name_space_
{
struct slang_function_scope_ *funcs;
struct slang_struct_scope_ *structs;
struct slang_variable_scope_ *vars;
} slang_assembly_name_space;
slang_function *_slang_locate_function (const char *name, slang_operation *params,
unsigned int num_params, slang_assembly_name_space *space);
int _slang_assemble_function (slang_assembly_file *, struct slang_function_ *,
slang_assembly_name_space *);
typedef struct slang_assembly_stack_info_
{
unsigned int swizzle_mask;
} slang_assembly_stack_info;
int _slang_cleanup_stack (slang_assembly_file *, slang_operation *, int ref,
slang_assembly_name_space *);
typedef struct slang_assembly_local_info_
{
unsigned int ret_size;
unsigned int addr_tmp;
unsigned int swizzle_tmp;
} slang_assembly_local_info;
int _slang_assemble_operation (slang_assembly_file *, struct slang_operation_ *, int reference,
slang_assembly_flow_control *, slang_assembly_name_space *, slang_assembly_local_info *,
slang_assembly_stack_info *);
#ifdef __cplusplus
}
#endif
#endif
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