1 /* Copyright (C) 2021-2023 Harry Godden (hgn) - All Rights Reserved */
7 | | .---------------------------------------------------------.
8 |API| | vg_enter( int argc, char *argv[], const char *window_name |
9 | | '---------------------------------------------------------'
12 |IMP| vg_launch_opt(void) <--.
14 | | |'---------------'
16 | | |'-----------------------------------| 1 |------.
19 | | | |IMP| vg_preload(void)
22 | | | | |IMP| vg_load(void)
24 |IMP| | vg_framebuffer_resize(void) |
26 |IMP| | |.------------- vg_start(void) ---------------'
29 |IMP| | vg_pre_update(void)
32 | | | | | called 0x to 8x
34 |IMP| | '- vg_fixed_update(void)
39 |IMP| | vg_post_update(void)
42 |IMP| | vg_render(void)
55 const char *vg_get_basepath(void);
57 #include "vg_platform.h"
61 #include "dep/glad/glad.h"
62 #include "dep/sdl/include/SDL.h"
63 #include "vg_stdint.h"
65 void vg_register_exit( void( *funcptr
)(void), const char *name
);
72 //#define VG_SYNC_DEBUG
74 #define VG_SYNC_LOG(STR,...) \
75 vg_info(STR,SDL_GetThreadID(NULL),##__VA_ARGS__)
77 #define VG_SYNC_LOG(...)
81 VG_STATIC
void vg_enter( int argc
, char *argv
[], const char *window_name
);
84 VG_STATIC
void vg_preload(void);
85 VG_STATIC
void vg_load(void);
88 VG_STATIC
void vg_launch_opt(void);
89 VG_STATIC
void vg_start(void);
91 VG_STATIC
void vg_framebuffer_resize(int w
, int h
);
92 VG_STATIC
void vg_pre_update(void);
93 VG_STATIC
void vg_fixed_update(void);
94 VG_STATIC
void vg_post_update(void);
96 VG_STATIC
void vg_render(void);
97 VG_STATIC
void vg_gui(void);
102 SDL_GLContext gl_context
;
103 const char *base_path
;
105 SDL_sem
*sem_loader
; /* allows only one loader at a time */
106 jmp_buf env_loader_exit
;
108 SDL_threadID thread_id_main
,
112 SDL_SpinLock sl_status
;
114 k_engine_status_none
,
115 k_engine_status_load_internal
,
116 k_engine_status_running
,
117 k_engine_status_crashed
121 /* Window information */
127 int display_refresh_rate
,
128 fps_limit
; /* 0: use vsync, >0: cap fps to this, no vsync */
131 k_vsync_feature_disabled
=0,
132 k_vsync_feature_enabled
=1,
133 k_vsync_feature_enabled_adaptive
=2,
134 k_vsync_feature_error
=3
148 time_fixed_accumulator
,
149 time_fixed_extrapolate
,
152 u64 time_hp
, time_hp_last
, time_spinning
;
154 int fixed_iterations
;
158 k_engine_stage_update
,
159 k_engine_stage_update_fixed
,
160 k_engine_stage_rendering
,
167 enum quality_profile
{
168 k_quality_profile_high
= 0,
169 k_quality_profile_low
= 1,
175 VG_STATIC vg
= { .time_rate
= 1.0 };
176 const char *vg_get_basepath(void){
180 enum vg_thread_purpose
182 k_thread_purpose_nothing
,
183 k_thread_purpose_main
,
184 k_thread_purpose_loader
187 #include "vg_async.h"
189 VG_STATIC
enum engine_status
_vg_engine_status(void)
191 SDL_AtomicLock( &vg
.sl_status
);
192 enum engine_status status
= vg
.engine_status
;
193 SDL_AtomicUnlock( &vg
.sl_status
);
198 VG_STATIC
enum vg_thread_purpose
vg_thread_purpose(void)
200 SDL_AtomicLock( &vg
.sl_status
);
202 if( vg
.thread_id_main
== SDL_GetThreadID(NULL
) ){
203 SDL_AtomicUnlock( &vg
.sl_status
);
204 return k_thread_purpose_main
;
207 SDL_AtomicUnlock( &vg
.sl_status
);
208 return k_thread_purpose_loader
;
212 VG_STATIC
void vg_assert_thread( enum vg_thread_purpose required
){
213 enum vg_thread_purpose purpose
= vg_thread_purpose();
215 if( purpose
!= required
){
216 vg_fatal_error( "thread_purpose must be %u not %u\n", required
, purpose
);
220 VG_STATIC
void _vg_opengl_sync_init(void)
222 vg
.sem_loader
= SDL_CreateSemaphore(1);
225 VG_STATIC
void vg_checkgl( const char *src_info
);
226 #define VG_STRINGIT( X ) #X
227 #define VG_CHECK_GL_ERR() vg_checkgl( __FILE__ ":L" VG_STRINGIT(__LINE__) )
229 #include "vg_console.h"
230 #include "vg_profiler.h"
231 #include "vg_audio.h"
232 #include "vg_shader.h"
234 #include "vg_input.h"
235 #include "vg_imgui.h"
236 #include "vg_lines.h"
237 #include "vg_loader.h"
241 VG_STATIC
struct vg_profile vg_prof_update
= {.name
="update()"},
242 vg_prof_render
= {.name
="render()"},
243 vg_prof_swap
= {.name
="swap"};
245 VG_STATIC
void vg_checkgl( const char *src_info
)
250 while( (err
= glGetError()) != GL_NO_ERROR
){
251 vg_error( "(%s) OpenGL Error: #%d\n", src_info
, err
);
256 vg_fatal_error( "OpenGL Error" );
259 VG_STATIC
void async_vg_bake_shaders( void *payload
, u32 size
)
261 vg_shaders_compile();
264 VG_STATIC
void vg_bake_shaders(void)
266 vg_console_reg_cmd( "reload_shaders", vg_shaders_live_recompile
, NULL
);
267 vg_async_call( async_vg_bake_shaders
, NULL
, 0 );
270 void async_internal_complete( void *payload
, u32 size
)
272 vg_success( "Internal async setup complete\n" );
273 SDL_AtomicLock( &vg
.sl_status
);
275 if( vg
.engine_status
== k_engine_status_crashed
){
276 SDL_AtomicUnlock( &vg
.sl_status
);
280 vg
.engine_status
= k_engine_status_running
;
283 SDL_AtomicUnlock( &vg
.sl_status
);
286 VG_STATIC
void _vg_load_full( void *data
)
291 vg_loader_step( vg_input_init
, vg_input_free
);
292 vg_loader_step( vg_lines_init
, NULL
);
293 vg_loader_step( vg_audio_init
, vg_audio_free
);
294 vg_loader_step( vg_profiler_init
, NULL
);
296 vg_async_call( async_internal_complete
, NULL
, 0 );
302 VG_STATIC
void _vg_process_events(void)
304 v2_zero( vg
.mouse_wheel
);
305 v2_zero( vg
.mouse_delta
);
312 while( SDL_PollEvent( &event
) ){
313 if( event
.type
== SDL_KEYDOWN
){
314 if( vg_console
.enabled
&&
315 (vg_ui
.focused_control_type
!= k_ui_control_modal
) ){
316 if( event
.key
.keysym
.sym
== SDLK_ESCAPE
||
317 event
.key
.keysym
.scancode
== SDL_SCANCODE_GRAVE
){
318 vg_console
.enabled
= 0;
321 else if( (event
.key
.keysym
.mod
& KMOD_CTRL
) &&
322 event
.key
.keysym
.sym
== SDLK_n
){
323 _console_suggest_next();
325 else if( (event
.key
.keysym
.mod
& KMOD_CTRL
) &&
326 event
.key
.keysym
.sym
== SDLK_p
){
327 _console_suggest_prev();
330 _ui_proc_key( event
.key
.keysym
);
334 if( event
.key
.keysym
.scancode
== SDL_SCANCODE_GRAVE
){
335 vg_console
.enabled
= 1;
338 _ui_proc_key( event
.key
.keysym
);
342 else if( event
.type
== SDL_MOUSEWHEEL
){
343 vg
.mouse_wheel
[0] += event
.wheel
.preciseX
;
344 vg
.mouse_wheel
[1] += event
.wheel
.preciseY
;
346 else if( event
.type
== SDL_CONTROLLERDEVICEADDED
||
347 event
.type
== SDL_CONTROLLERDEVICEREMOVED
)
349 vg_input_device_event( &event
);
351 else if( event
.type
== SDL_CONTROLLERAXISMOTION
||
352 event
.type
== SDL_CONTROLLERBUTTONDOWN
||
353 event
.type
== SDL_CONTROLLERBUTTONUP
)
355 vg_input_controller_event( &event
);
357 else if( event
.type
== SDL_MOUSEMOTION
){
358 vg
.mouse_delta
[0] += event
.motion
.xrel
;
359 vg
.mouse_delta
[1] += event
.motion
.yrel
;
361 else if( event
.type
== SDL_WINDOWEVENT
){
362 if( event
.window
.event
== SDL_WINDOWEVENT_SIZE_CHANGED
){
364 SDL_GL_GetDrawableSize( vg
.window
, &w
, &h
);
367 vg_warn( "Got a invalid framebuffer size: "
368 "%dx%d... ignoring\n", w
, h
);
374 vg_framebuffer_resize(w
,h
);
377 else if( event
.window
.event
== SDL_WINDOWEVENT_CLOSE
){
378 vg
.window_should_close
= 1;
381 else if( event
.type
== SDL_TEXTINPUT
){
382 ui_proc_utf8( event
.text
.text
);
386 vg
.mouse_pos
[0] += vg
.mouse_delta
[0];
387 vg
.mouse_pos
[1] += vg
.mouse_delta
[1];
390 VG_STATIC
void _vg_gameloop_update(void)
392 vg_profile_begin( &vg_prof_update
);
394 vg
.engine_stage
= k_engine_stage_update
;
397 /* Fixed update loop */
398 vg
.engine_stage
= k_engine_stage_update_fixed
;
400 vg
.fixed_iterations
= 0;
401 vg_lines
.allow_input
= 1;
402 vg
.time_fixed_accumulator
+= vg
.time_delta
;
404 while( vg
.time_fixed_accumulator
>= VG_TIMESTEP_FIXED
){
406 vg_lines
.allow_input
= 0;
407 vg
.time_fixed_accumulator
-= VG_TIMESTEP_FIXED
;
409 vg
.fixed_iterations
++;
410 if( vg
.fixed_iterations
== 8 ){
414 vg_lines
.allow_input
= 1;
415 vg
.time_fixed_extrapolate
= vg
.time_fixed_accumulator
/ VG_TIMESTEP_FIXED
;
417 vg
.engine_stage
= k_engine_stage_update
;
419 vg_profile_end( &vg_prof_update
);
422 VG_STATIC
void _vg_gameloop_render(void)
424 vg_profile_begin( &vg_prof_render
);
427 vg
.engine_stage
= k_engine_stage_rendering
;
431 vg
.engine_stage
= k_engine_stage_ui
;
434 if( vg_console
.enabled
){
435 vg_ui
.ignore_input_frames
= 10;
437 vg_ui
.ignore_input_frames
= 0;
438 vg_ui
.wants_mouse
= 1;
444 audio_debug_ui( vg
.pv
);
447 int frame_target
= vg
.display_refresh_rate
;
448 if( vg
.fps_limit
> 0 ) frame_target
= vg
.fps_limit
;
450 (struct vg_profile
*[]){
451 &vg_prof_update
,&vg_prof_render
,&vg_prof_swap
}, 3,
452 (1.0f
/(float)frame_target
)*1000.0f
,
453 (ui_rect
){ 4, 4, 250, 0 }, 0
460 "refresh: %d (%.1fms)\n"
462 "iterations: %d (acc: %.3fms%%)\n"
463 "time: real(%.2f) delta(%.2f) rate(%.2f)\n"
464 " extrap(%.2f) frame(%.2f) spin( "PRINTF_U64
" )\n",
465 vg
.window_x
, vg
.window_y
,
466 frame_target
, (1.0f
/(float)frame_target
)*1000.0f
,
469 (vg
.time_fixed_accumulator
/VG_TIMESTEP_FIXED
)*100.0f
,
470 vg
.time_real
, vg
.time_delta
, vg
.time_rate
,
471 vg
.time_fixed_extrapolate
, vg
.time_frame_delta
,
474 ui_text( (ui_rect
){258, 4+24+12+12,900,900},perf
,1,0,k_ui_align_left
);
479 vg_profile_end( &vg_prof_render
);
482 VG_STATIC
int vg_framefilter( double dt
)
484 if( (vg
.fps_limit
<= 0) && (vg
.vsync_feature
!= k_vsync_feature_error
) ){
485 /* turn on vsync if not enabled */
487 enum vsync_feature requested
= k_vsync_feature_enabled
;
488 if( vg
.fps_limit
< 0 ) requested
= k_vsync_feature_enabled_adaptive
;
490 if( vg
.vsync_feature
!= requested
){
491 vg_info( "Setting swap interval\n" );
493 int swap_interval
= 1;
494 if( requested
== k_vsync_feature_enabled_adaptive
) swap_interval
= -1;
496 if( SDL_GL_SetSwapInterval( swap_interval
) == -1 ){
497 if( requested
== k_vsync_feature_enabled
){
498 vg_error( "Vsync is not supported by your system\n" );
499 vg_warn( "You may be overriding it in your"
500 " graphics control panel.\n" );
503 vg_error( "Adaptive Vsync is not supported by your system\n" );
506 vg
.vsync_feature
= k_vsync_feature_error
;
507 vg
.fps_limit
= vg
.display_refresh_rate
;
509 /* TODO: Make popup to notify user that this happened */
513 vg_success( "Vsync enabled (%d)\n", requested
);
514 vg
.vsync_feature
= requested
;
521 if( vg
.vsync_feature
!= k_vsync_feature_disabled
){
522 SDL_GL_SetSwapInterval( 0 );
523 vg
.vsync_feature
= k_vsync_feature_disabled
;
526 if( vg
.fps_limit
< 25 ) vg
.fps_limit
= 25;
527 if( vg
.fps_limit
> 300 ) vg
.fps_limit
= 300;
529 double min_frametime
= 1.0/(double)vg
.fps_limit
;
530 if( vg
.time_frame_delta
< min_frametime
){
531 /* TODO: we can use high res nanosleep on Linux here */
532 double sleep_ms
= (min_frametime
-vg
.time_frame_delta
) * 1000.0;
533 u32 ms
= (u32
)floor( sleep_ms
);
548 VG_STATIC
int _vg_crashscreen(void)
551 if( vg_getkey( SDLK_ESCAPE
) )
555 glBindFramebuffer( GL_FRAMEBUFFER
, 0 );
557 glDisable(GL_DEPTH_TEST
);
558 glBlendFunc(GL_ONE_MINUS_DST_ALPHA
, GL_DST_ALPHA
);
559 glBlendEquation(GL_FUNC_ADD
);
561 glClearColor( 0.15f
+ sinf(vg
.time_real
)*0.1f
, 0.0f
, 0.0f
,1.0f
);
562 glClear( GL_COLOR_BUFFER_BIT
);
563 glViewport( 0,0, vg
.window_x
, vg
.window_y
);
570 VG_STATIC
void _vg_gameloop(void){
571 //vg.time_fixed_accumulator = 0.75f * (1.0f/60.0f);
573 vg
.time_hp
= SDL_GetPerformanceCounter();
574 vg
.time_hp_last
= vg
.time_hp
;
579 vg
.time_hp
= SDL_GetPerformanceCounter();
580 u64 udt
= vg
.time_hp
- vg
.time_hp_last
;
581 vg
.time_hp_last
= vg
.time_hp
;
583 double dt
= (double)udt
/ (double)SDL_GetPerformanceFrequency();
585 vg
.time_frame_delta
+= dt
;
587 if( vg_framefilter( dt
) )
590 vg_profile_begin( &vg_prof_swap
);
591 SDL_GL_SwapWindow( vg
.window
);
592 vg_profile_end( &vg_prof_swap
);
594 enum engine_status status
= _vg_engine_status();
596 vg
.time_real
+= vg
.time_frame_delta
;
597 vg
.time_delta
= vg
.time_frame_delta
* vg
.time_rate
;
598 vg
.time
+= vg
.time_delta
;
600 vg_run_async_checked();
601 _vg_process_events();
603 if( vg
.window_should_close
)
606 if( status
== k_engine_status_crashed
){
607 if( _vg_crashscreen() )
611 if( status
== k_engine_status_running
){
612 _vg_gameloop_update();
613 _vg_gameloop_render();
620 if( vg
.loader_ring
> 0.01f
){
621 _vg_loader_render_ring( vg
.loader_ring
);
622 vg
.loader_ring
-= vg
.time_frame_delta
* 0.5f
;
625 vg
.time_frame_delta
= 0.0;
626 vg
.time_spinning
= 0;
630 VG_STATIC
void _vg_process_launch_opts_internal( int argc
, char *argv
[] )
633 while( vg_argp( argc
, argv
) ){
634 if( (arg
= vg_opt_arg( 'w' )) ){
635 vg
.window_x
= atoi( arg
);
638 if( (arg
= vg_opt_arg( 'h' )) ){
639 vg
.window_y
= atoi( arg
);
642 if( (arg
= vg_long_opt_arg( "samples" )) ){
643 vg
.samples
= VG_MAX( 0, VG_MIN( 8, atoi( arg
) ) );
646 if( vg_long_opt( "use-libc-malloc" ) ){
647 vg_mem
.use_libc_malloc
= 1;
650 if( vg_long_opt( "high-performance" ) ){
651 vg
.quality_profile
= k_quality_profile_low
;
658 VG_STATIC
void _vg_init_window( const char *window_name
)
660 vg_info( "SDL_INIT\n" );
662 if( SDL_Init( SDL_INIT_VIDEO
) != 0 ){
663 vg_error( "SDL_Init failed: %s\n", SDL_GetError() );
667 SDL_InitSubSystem( SDL_INIT_AUDIO
);
668 SDL_InitSubSystem( SDL_INIT_GAMECONTROLLER
);
670 char *exe_basepath
= SDL_GetBasePath();
671 u32 len
= vg_align8( strlen(exe_basepath
)+1 );
672 char *dest
= vg_linear_alloc( vg_mem
.rtmemory
, len
);
673 strcpy( dest
, exe_basepath
);
674 SDL_free( exe_basepath
);
677 vg_info( "Basepath: %s\n", vg
.base_path
);
679 SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER
, 1 );
680 SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION
, 3 );
681 SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION
, 3 );
682 SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK
,
683 SDL_GL_CONTEXT_PROFILE_CORE
);
685 SDL_GL_SetAttribute( SDL_GL_CONTEXT_RELEASE_BEHAVIOR
,
686 SDL_GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH
);
688 SDL_GL_SetAttribute( SDL_GL_RED_SIZE
, 8 );
689 SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE
, 8 );
690 SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE
, 8 );
691 SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE
, 8 );
692 SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE
, 0 );
695 * Get monitor information
697 vg_info( "Getting display count\n" );
698 int display_count
= 0,
702 SDL_DisplayMode video_mode
;
703 if( SDL_GetDesktopDisplayMode( display_index
, &video_mode
) ){
704 vg_error( "SDL_GetDesktopDisplayMode failed: %s\n", SDL_GetError() );
709 vg
.display_refresh_rate
= video_mode
.refresh_rate
;
710 vg
.window_x
= video_mode
.w
;
711 vg
.window_y
= video_mode
.h
;
719 SDL_SetHint( "SDL_VIDEO_X11_XINERAMA", "1" );
720 SDL_SetHint( "SDL_VIDEO_X11_XRANDR", "0" );
721 SDL_SetHint( "SDL_VIDEO_X11_XVIDMODE", "0" );
724 vg_info( "CreateWindow( %d %d @%dhz )\n", vg
.window_x
, vg
.window_y
,
725 vg
.display_refresh_rate
);
727 /* TODO: Allow selecting closest video mode from launch opts */
728 if((vg
.window
= SDL_CreateWindow( window_name
,
731 0, 0, vg
.window_x
, vg
.window_y
,
732 SDL_WINDOW_BORDERLESS
|SDL_WINDOW_OPENGL
|SDL_WINDOW_INPUT_GRABBED
734 SDL_SetWindowPosition( vg
.window
, video_mode
.w
-vg
.window_x
, 0 );
738 vg
.window_x
, vg
.window_y
,
740 SDL_WINDOW_FULLSCREEN_DESKTOP
|
742 SDL_WINDOW_INPUT_GRABBED
745 if( SDL_SetWindowDisplayMode( vg
.window
, &video_mode
) ){
746 vg_error( "SDL_SetWindowDisplayMode failed: %s", SDL_GetError() );
753 vg_error( "SDL_CreateWindow failed: %s", SDL_GetError() );
757 SDL_RaiseWindow( vg
.window
);
759 vg_info( "CreateContext\n" );
762 if( SDL_IsTextInputActive() ) SDL_StopTextInput();
767 if( (vg
.gl_context
= SDL_GL_CreateContext(vg
.window
) )){
768 SDL_GL_GetDrawableSize( vg
.window
, &vg
.window_x
, &vg
.window_y
);
769 vg_success( "Window created (%dx%d)\n", vg
.window_x
, vg
.window_y
);
772 vg_error( "SDL_GL_CreateContext failed: %s\n", SDL_GetError() );
777 if( !gladLoadGLLoader((GLADloadproc
)SDL_GL_GetProcAddress
) ) {
778 vg_error( "Glad Failed to initialize\n" );
779 SDL_GL_DeleteContext( vg
.gl_context
);
784 const unsigned char* glver
= glGetString( GL_VERSION
);
785 vg_success( "Load setup complete, OpenGL version: %s\n", glver
);
787 SDL_GL_SetSwapInterval(0); /* disable vsync while loading */
789 SDL_DisplayMode dispmode
;
790 if( !SDL_GetWindowDisplayMode( vg
.window
, &dispmode
) ){
791 if( dispmode
.refresh_rate
){
792 vg
.display_refresh_rate
= dispmode
.refresh_rate
;
796 if( vg
.display_refresh_rate
< 25 || vg
.display_refresh_rate
> 300 ){
797 vg
.display_refresh_rate
= 60;
800 vg_info( "Display refresh rate: %d\n", dispmode
.refresh_rate
);
802 #if defined(_WIN32) || defined(VG_DEVWINDOW)
803 vg
.fps_limit
= vg
.display_refresh_rate
;
809 VG_STATIC
void _vg_terminate(void)
812 _vg_console_write_persistent();
814 SDL_AtomicLock( &vg
.sl_status
);
815 vg
.engine_status
= k_engine_status_none
;
816 SDL_AtomicUnlock( &vg
.sl_status
);
820 vg_success( "If you see this it means everything went.. \"well\".....\n" );
822 SDL_GL_DeleteContext( vg
.gl_context
);
827 VG_STATIC
void vg_enter( int argc
, char *argv
[], const char *window_name
)
830 _vg_process_launch_opts_internal( argc
, argv
);
836 vg_console_reg_var( "fps_limit", &vg
.fps_limit
, k_var_dtype_i32
, 0 );
837 _vg_init_window( window_name
);
840 SDL_SetRelativeMouseMode(1);
842 vg
.thread_id_main
= SDL_GetThreadID(NULL
);
844 /* Opengl-required systems */
848 vg
.engine_status
= k_engine_status_load_internal
;
850 _vg_opengl_sync_init();
851 vg_loader_start( _vg_load_full
, NULL
);
856 VG_STATIC
void vg_fatal_error( const char *fmt
, ... )
859 va_start( args
, fmt
);
860 _vg_logx_va( stderr
, NULL
, "fatal", KRED
, fmt
, args
);
863 vg_print_backtrace();
865 SDL_AtomicLock( &vg
.sl_status
);
866 vg
.engine_status
= k_engine_status_crashed
;
867 SDL_AtomicUnlock( &vg
.sl_status
);
869 if( vg_thread_purpose() == k_thread_purpose_loader
){
870 longjmp( vg
.env_loader_exit
, 1 );
873 vg_error( "There is no jump to the error runner thing yet! bai bai\n" );
881 VG_STATIC
void vg_fatal_error( const char *fmt
, ... )
884 va_start( args
, fmt
);
885 _vg_logx_va( stderr
, NULL
, "fatal", KRED
, fmt
, args
);
893 * Graphic cards will check these to force it to use the GPU
895 u32 NvOptimusEnablement
= 0x00000001;
896 int AmdPowerXpressRequestHighPerformance
= 1;
900 #endif /* VG_HEADER_H */