2 * Copyright 2021-2022 (C) Mount0 Software, Harry Godden - All Rights Reserved
3 * -----------------------------------------------------------------------------
7 * -----------------------------------------------------------------------------
15 static struct vg_loader
18 struct loader_free_step
20 void (*fn_free
)(void *);
24 u32 step_count
, step_cap
, step_action
;
28 static int vg_loader_init(void)
33 static void vg_loader_free(void)
35 vg_info( "vg_loader_free\n" );
37 for( int i
=0; i
<vg_loader
.step_count
; i
++ )
39 struct loader_free_step
*step
=
40 &vg_loader
.step_buffer
[vg_loader
.step_count
-1 -i
];
42 vg_info( " -> %p\n", step
->fn_free
);
43 step
->fn_free( step
->data
);
46 vg_free( vg_loader
.step_buffer
);
50 static float hue_to_rgb( float p
, float q
, float t
)
52 if(t
< 0.0f
) t
+= 1.0f
;
53 if(t
> 1.0f
) t
-= 1.0f
;
54 if(t
< 1.0f
/6.0f
) return p
+ (q
- p
) * 6.0f
* t
;
55 if(t
< 1.0f
/2.0f
) return q
;
56 if(t
< 2.0f
/3.0f
) return p
+ (q
- p
) * (2.0f
/3.0f
- t
) * 6.0f
;
60 static void vg_loader_render(void)
64 l
= 0.1f
, //* (0.5f+vg_fractf(vg_time*40.0)*0.5f),
65 q
= l
< 0.5f
? l
* (1.0f
+ s
) : l
+ s
- l
* s
,
67 r
= hue_to_rgb( p
, q
, h
+ 1.0f
/3.0f
),
68 g
= hue_to_rgb( p
, q
, h
),
69 b
= hue_to_rgb( p
, q
, h
- 1.0f
/3.0f
);
71 glClearColor( r
, g
, b
, 1.0f
);
72 glClear( GL_COLOR_BUFFER_BIT
|GL_DEPTH_BUFFER_BIT
);
76 ui_begin( &ui_global_ctx
, vg_window_x
, vg_window_y
);
80 int lines_screen_max
= ((vg_window_y
/fh
)-2),
81 lines_max_draw
= VG_MIN( lines_screen_max
, vg_list_size(vg_log
.buffer
) ),
82 lines_to_draw
= VG_MIN( lines_max_draw
, vg_log
.buffer_line_count
);
84 int ptr
= vg_log
.buffer_line_current
;
86 ui_global_ctx
.cursor
[0] = 0;
87 ui_global_ctx
.cursor
[1] = lines_to_draw
*fh
;
88 ui_global_ctx
.cursor
[3] = fh
;
89 ui_fill_x( &ui_global_ctx
);
91 for( int i
=0; i
<lines_to_draw
; i
++ )
96 ptr
= vg_list_size( vg_log
.buffer
)-1;
98 ui_text( &ui_global_ctx
, ui_global_ctx
.cursor
,
99 vg_log
.buffer
[ptr
], vg_console
.scale
, 0 );
101 ui_global_ctx
.cursor
[1] -= fh
*vg_console
.scale
;
104 ui_resolve( &ui_global_ctx
);
105 ui_draw( &ui_global_ctx
, NULL
);
109 static void vg_load_full(void);
111 static void vg_loader_thread(void * nothing
)
113 vg_thread_info
.gl_context_level
= 0;
114 vg_thread_info
.purpose
= k_thread_purpose_loader
;
115 vg_set_thread_name( "[vg] Loader" );
117 /* Run client loader */
119 vg_semaphore_post( &vg
.sem_loader
);
122 static void vg_loader_start(void)
124 vg_semaphore_wait( &vg
.sem_loader
);
125 vg_thread_run( vg_loader_thread
, NULL
);
128 static void vg_free_libc_malloced( void *data
)
133 static void vg_loader_push_free_step( struct loader_free_step step
)
135 vg_loader
.step_buffer
=
136 buffer_reserve( vg_loader
.step_buffer
, vg_loader
.step_count
,
137 &vg_loader
.step_cap
, 1,
138 sizeof( struct loader_free_step
) );
140 vg_loader
.step_buffer
[ vg_loader
.step_count
++ ] = step
;
144 * Schedule something to be ran now, freed later
146 static void vg_loader_highwater( void( *fn_load
)(void),
147 void( *fn_free
)(void *), void *data
)
154 struct loader_free_step step
;
156 step
.fn_free
= fn_free
;
158 vg_loader_push_free_step( step
);
164 struct loader_free_step step
;
166 step
.fn_free
= vg_free_libc_malloced
;
168 vg_loader_push_free_step( step
);
172 vg_ensure_engine_running();
175 #endif /* VG_LOADER_H */