4coder/4ed_system.h

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/*
* Mr. 4th Dimention - Allen Webster
*
* 21.01.2014
*
* System functions for project codename "4ed"
*
*/
// TOP
#if !defined(FCODER_SYSTEM_INTERFACE_H)
#define FCODER_SYSTEM_INTERFACE_H
#include "font/4coder_font_interface.h"
// types
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struct Plat_Handle{
u32 d[4];
};
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static Plat_Handle null_plat_handle = {0};
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inline b32
handle_equal(Plat_Handle a, Plat_Handle b){
b32 result = (memcmp(&a, &b, sizeof(a)) == 0);
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return(result);
}
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// files
#define Sys_Set_File_List_Sig(name) void name(File_List *file_list, char *directory, char *canon_directory_out, u32 *canon_directory_size_out, u32 canon_directory_max)
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typedef Sys_Set_File_List_Sig(System_Set_File_List);
#define Sys_Get_Canonical_Sig(name) u32 name(char *filename, u32 len, char *buffer, u32 max)
typedef Sys_Get_Canonical_Sig(System_Get_Canonical);
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// file load/save
#define Sys_Load_Handle_Sig(name) b32 name(char *filename, Plat_Handle *handle_out)
typedef Sys_Load_Handle_Sig(System_Load_Handle);
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#define Sys_Load_Size_Sig(name) u32 name(Plat_Handle handle)
typedef Sys_Load_Size_Sig(System_Load_Size);
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#define Sys_Load_File_Sig(name) b32 name(Plat_Handle handle, char *buffer, u32 size)
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typedef Sys_Load_File_Sig(System_Load_File);
#define Sys_Load_Close_Sig(name) b32 name(Plat_Handle handle)
typedef Sys_Load_Close_Sig(System_Load_Close);
#define Sys_Save_File_Sig(name) b32 name(char *filename, char *buffer, u32 size)
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typedef Sys_Save_File_Sig(System_Save_File);
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// file changes
#define Sys_Add_Listener_Sig(name) b32 name(char *filename)
typedef Sys_Add_Listener_Sig(System_Add_Listener);
#define Sys_Remove_Listener_Sig(name) b32 name(char *filename)
typedef Sys_Remove_Listener_Sig(System_Remove_Listener);
#define Sys_Get_File_Change_Sig(name) i32 name(char *buffer, i32 max, b32 *mem_too_small, i32 *required_size)
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typedef Sys_Get_File_Change_Sig(System_Get_File_Change);
// time
#define Sys_Now_Time_Sig(name) u64 name()
typedef Sys_Now_Time_Sig(System_Now_Time);
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// clipboard
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#define Sys_Post_Clipboard_Sig(name) void name(String str)
typedef Sys_Post_Clipboard_Sig(System_Post_Clipboard);
// cli
struct CLI_Handles{
Plat_Handle proc;
Plat_Handle out_read;
Plat_Handle out_write;
u32 scratch_space[4];
i32 exit;
};
#define Sys_CLI_Call_Sig(name) b32 name(char *path, char *script_name, CLI_Handles *cli_out)
typedef Sys_CLI_Call_Sig(System_CLI_Call);
#define Sys_CLI_Begin_Update_Sig(name) void name(CLI_Handles *cli)
typedef Sys_CLI_Begin_Update_Sig(System_CLI_Begin_Update);
#define Sys_CLI_Update_Step_Sig(name) b32 name(CLI_Handles *cli, char *dest, u32 max, u32 *amount)
typedef Sys_CLI_Update_Step_Sig(System_CLI_Update_Step);
#define Sys_CLI_End_Update_Sig(name) b32 name(CLI_Handles *cli)
typedef Sys_CLI_End_Update_Sig(System_CLI_End_Update);
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// coroutine
#define Coroutine_Function_Sig(name) void name(struct Coroutine *coroutine)
typedef Coroutine_Function_Sig(Coroutine_Function);
struct Coroutine{
Plat_Handle plat_handle;
Coroutine_Function *func;
void *yield_handle;
void *in;
void *out;
};
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#define Sys_Create_Coroutine_Sig(name) Coroutine *name(Coroutine_Function *func)
typedef Sys_Create_Coroutine_Sig(System_Create_Coroutine);
#define Sys_Launch_Coroutine_Sig(name) Coroutine *name(Coroutine *coroutine, void *in, void *out)
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typedef Sys_Launch_Coroutine_Sig(System_Launch_Coroutine);
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#define Sys_Resume_Coroutine_Sig(name) Coroutine *name(Coroutine *coroutine, void *in, void *out)
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typedef Sys_Resume_Coroutine_Sig(System_Resume_Coroutine);
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#define Sys_Yield_Coroutine_Sig(name) void name(Coroutine *coroutine)
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typedef Sys_Yield_Coroutine_Sig(System_Yield_Coroutine);
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// thread
struct Thread_Context;
enum Lock_ID{
FRAME_LOCK,
CANCEL_LOCK0,
CANCEL_LOCK1,
CANCEL_LOCK2,
CANCEL_LOCK3,
CANCEL_LOCK4,
CANCEL_LOCK5,
CANCEL_LOCK6,
CANCEL_LOCK7,
LOCK_COUNT
};
enum Thread_Group_ID{
BACKGROUND_THREADS,
THREAD_GROUP_COUNT
};
struct Thread_Memory{
void *data;
i32 size;
i32 id;
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};
inline Thread_Memory
thread_memory_zero(){
Thread_Memory memory={0};
return(memory);
}
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struct Thread_Exchange;
struct System_Functions;
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#define Job_Callback_Sig(name) void name( \
System_Functions *system, \
Thread_Context *thread, \
Thread_Memory *memory, \
void *data[2])
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typedef Job_Callback_Sig(Job_Callback);
struct Job_Data{
Job_Callback *callback;
void *data[2];
};
struct Full_Job_Data{
Job_Data job;
u32 running_thread;
u32 id;
};
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struct Unbounded_Work_Queue{
Full_Job_Data *jobs;
u32 count, max, skip;
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u32 next_job_id;
};
#define QUEUE_WRAP 256
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struct Work_Queue{
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Full_Job_Data jobs[QUEUE_WRAP];
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Plat_Handle semaphore;
volatile u32 write_position;
volatile u32 read_position;
};
#define THREAD_NOT_ASSIGNED 0xFFFFFFFF
#define Sys_Post_Job_Sig(name) u32 name(Thread_Group_ID group_id, Job_Data job)
typedef Sys_Post_Job_Sig(System_Post_Job);
#define Sys_Cancel_Job_Sig(name) void name(Thread_Group_ID group_id, u32 job_id)
typedef Sys_Cancel_Job_Sig(System_Cancel_Job);
#define Sys_Check_Cancel_Sig(name) b32 name(Thread_Context *thread)
typedef Sys_Check_Cancel_Sig(System_Check_Cancel);
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#define Sys_Grow_Thread_Memory_Sig(name) void name(Thread_Memory *memory)
typedef Sys_Grow_Thread_Memory_Sig(System_Grow_Thread_Memory);
#define Sys_Acquire_Lock_Sig(name) void name(i32 id)
typedef Sys_Acquire_Lock_Sig(System_Acquire_Lock);
#define Sys_Release_Lock_Sig(name) void name(i32 id)
typedef Sys_Release_Lock_Sig(System_Release_Lock);
// needed for custom layer
#define Sys_Memory_Allocate_Sig(name) void* name(umem size)
typedef Sys_Memory_Allocate_Sig(System_Memory_Allocate);
#define Sys_Memory_Set_Protection_Sig(name) bool32 name(void *ptr, umem size, u32 flags)
typedef Sys_Memory_Set_Protection_Sig(System_Memory_Set_Protection);
#define Sys_Memory_Free_Sig(name) void name(void *ptr, umem size)
typedef Sys_Memory_Free_Sig(System_Memory_Free);
#define Sys_File_Exists_Sig(name) b32 name(char *filename, i32 len)
typedef Sys_File_Exists_Sig(System_File_Exists);
#define Sys_Directory_CD_Sig(name) bool32 name(char *dir, i32 *len, i32 cap, char *rel_path, i32 rel_len)
typedef Sys_Directory_CD_Sig(System_Directory_CD);
#define Sys_Get_4ed_Path_Sig(name) int32_t name(char *out, i32 capacity)
typedef Sys_Get_4ed_Path_Sig(System_Get_4ed_Path);
#define Sys_Show_Mouse_Cursor_Sig(name) void name(i32 show)
typedef Sys_Show_Mouse_Cursor_Sig(System_Show_Mouse_Cursor);
#define Sys_Toggle_Fullscreen_Sig(name) b32 name()
typedef Sys_Toggle_Fullscreen_Sig(System_Toggle_Fullscreen);
#define Sys_Is_Fullscreen_Sig(name) bool32 name()
typedef Sys_Is_Fullscreen_Sig(System_Is_Fullscreen);
#define Sys_Send_Exit_Signal_Sig(name) void name()
typedef Sys_Send_Exit_Signal_Sig(System_Send_Exit_Signal);
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// debug
#define INTERNAL_Sys_Get_Thread_States_Sig(name) void name(Thread_Group_ID id, b8 *running, i32 *pending)
typedef INTERNAL_Sys_Get_Thread_States_Sig(INTERNAL_System_Get_Thread_States);
struct System_Functions{
Font_Functions font;
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// files (tracked api): 10
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System_Set_File_List *set_file_list;
System_Get_Canonical *get_canonical;
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System_Add_Listener *add_listener;
System_Remove_Listener *remove_listener;
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System_Get_File_Change *get_file_change;
System_Load_Handle *load_handle;
System_Load_Size *load_size;
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System_Load_File *load_file;
System_Load_Close *load_close;
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System_Save_File *save_file;
// time: 1
System_Now_Time *now_time;
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// clipboard: 1
System_Post_Clipboard *post_clipboard;
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// coroutine: 4
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System_Create_Coroutine *create_coroutine;
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System_Launch_Coroutine *launch_coroutine;
System_Resume_Coroutine *resume_coroutine;
System_Yield_Coroutine *yield_coroutine;
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// cli: 4
System_CLI_Call *cli_call;
System_CLI_Begin_Update *cli_begin_update;
System_CLI_Update_Step *cli_update_step;
System_CLI_End_Update *cli_end_update;
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// threads: 6
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System_Post_Job *post_job;
System_Cancel_Job *cancel_job;
System_Check_Cancel *check_cancel;
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System_Grow_Thread_Memory *grow_thread_memory;
System_Acquire_Lock *acquire_lock;
System_Release_Lock *release_lock;
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// custom: 10
System_Memory_Allocate *memory_allocate;
System_Memory_Set_Protection *memory_set_protection;
System_Memory_Free *memory_free;
System_File_Exists *file_exists;
System_Directory_CD *directory_cd;
System_Get_4ed_Path *get_4ed_path;
System_Show_Mouse_Cursor *show_mouse_cursor;
System_Toggle_Fullscreen *toggle_fullscreen;
System_Is_Fullscreen *is_fullscreen;
System_Send_Exit_Signal *send_exit_signal;
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// debug: 1
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INTERNAL_System_Get_Thread_States *internal_get_thread_states;
};
#endif
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// BOTTOM