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Set video_context_driver functions to null functions if not

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already set
This commit is contained in:
twinaphex 2017-05-18 03:53:05 +02:00
parent 3f7a30a4b3
commit c9af58494b
1 changed files with 58 additions and 50 deletions
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108
gfx/video_driver.c
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@ -486,6 +486,62 @@ const video_poke_interface_t *video_driver_get_poke(void)
return video_driver_poke;
}
static void video_context_driver_reset(void)
{
if (!current_video_context.get_metrics)
current_video_context.get_metrics = get_metrics_null;
if (!current_video_context.update_window_title)
current_video_context.update_window_title = update_window_title_null;
if (!current_video_context.set_resize)
current_video_context.set_resize = set_resize_null;
if (!current_video_context.swap_buffers)
current_video_context.swap_buffers = swap_buffers_null;
}
bool video_context_driver_set(const gfx_ctx_driver_t *data)
{
if (!data)
return false;
current_video_context = *data;
video_context_driver_reset();
return true;
}
void video_context_driver_destroy(void)
{
current_video_context.init = NULL;
current_video_context.bind_api = NULL;
current_video_context.swap_interval = NULL;
current_video_context.set_video_mode = NULL;
current_video_context.get_video_size = NULL;
current_video_context.get_video_output_size = NULL;
current_video_context.get_video_output_prev = NULL;
current_video_context.get_video_output_next = NULL;
current_video_context.get_metrics = get_metrics_null;
current_video_context.translate_aspect = NULL;
current_video_context.update_window_title = update_window_title_null;
current_video_context.check_window = NULL;
current_video_context.set_resize = set_resize_null;
current_video_context.has_focus = NULL;
current_video_context.suppress_screensaver = NULL;
current_video_context.has_windowed = NULL;
current_video_context.swap_buffers = swap_buffers_null;
current_video_context.input_driver = NULL;
current_video_context.get_proc_address = NULL;
current_video_context.image_buffer_init = NULL;
current_video_context.image_buffer_write = NULL;
current_video_context.show_mouse = NULL;
current_video_context.ident = NULL;
current_video_context.get_flags = NULL;
current_video_context.set_flags = NULL;
current_video_context.bind_hw_render = NULL;
current_video_context.get_context_data = NULL;
current_video_context.make_current = NULL;
}
/**
* video_driver_get_current_framebuffer:
*
@ -961,6 +1017,8 @@ static bool video_driver_init_internal(bool *video_is_threaded)
video_driver_set_texture_frame(&dummy_pixels, false, 1, 1, 1.0f);
#endif
video_context_driver_reset();
return true;
error:
@ -2757,56 +2815,6 @@ void video_context_driver_make_current(bool release)
current_video_context.make_current(release);
}
bool video_context_driver_set(const gfx_ctx_driver_t *data)
{
if (!data)
return false;
current_video_context = *data;
if (!current_video_context.get_metrics)
current_video_context.get_metrics = get_metrics_null;
if (!current_video_context.update_window_title)
current_video_context.update_window_title = update_window_title_null;
if (!current_video_context.set_resize)
current_video_context.set_resize = set_resize_null;
if (!current_video_context.swap_buffers)
current_video_context.swap_buffers = swap_buffers_null;
return true;
}
void video_context_driver_destroy(void)
{
current_video_context.init = NULL;
current_video_context.bind_api = NULL;
current_video_context.swap_interval = NULL;
current_video_context.set_video_mode = NULL;
current_video_context.get_video_size = NULL;
current_video_context.get_video_output_size = NULL;
current_video_context.get_video_output_prev = NULL;
current_video_context.get_video_output_next = NULL;
current_video_context.get_metrics = get_metrics_null;
current_video_context.translate_aspect = NULL;
current_video_context.update_window_title = update_window_title_null;
current_video_context.check_window = NULL;
current_video_context.set_resize = set_resize_null;
current_video_context.has_focus = NULL;
current_video_context.suppress_screensaver = NULL;
current_video_context.has_windowed = NULL;
current_video_context.swap_buffers = swap_buffers_null;
current_video_context.input_driver = NULL;
current_video_context.get_proc_address = NULL;
current_video_context.image_buffer_init = NULL;
current_video_context.image_buffer_write = NULL;
current_video_context.show_mouse = NULL;
current_video_context.ident = NULL;
current_video_context.get_flags = NULL;
current_video_context.set_flags = NULL;
current_video_context.bind_hw_render = NULL;
current_video_context.get_context_data = NULL;
current_video_context.make_current = NULL;
}
bool video_context_driver_translate_aspect(gfx_ctx_aspect_t *aspect)
{