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Optimize get_backing_scale_factor - store result of backing scale

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factor query and use it for later function call invocations
This commit is contained in:
twinaphex 2017-04-15 19:27:09 +02:00
parent 2324399fa8
commit 1d97a81224
1 changed files with 23 additions and 9 deletions
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32
gfx/drivers_context/cocoa_gl_ctx.m
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@ -184,17 +184,31 @@ void *get_chosen_screen(void)
float get_backing_scale_factor(void)
{
RAScreen *screen = (BRIDGE RAScreen*)get_chosen_screen();
if (!screen)
return 0.0;
static float
backing_scale_def = 0.0f;
RAScreen *screen = NULL;
if (backing_scale_def != 0.0f)
return backing_scale_def;
backing_scale_def = 1.0f;
#ifdef HAVE_COCOA
CGFloat ret;
CocoaView *g_view = (CocoaView*)nsview_get_ptr();
SEL selector = NSSelectorFromString(BOXSTRING("backingScaleFactor"));
if ([screen respondsToSelector:selector])
return (float)get_from_selector([[g_view window] class], [g_view window], selector, &ret);
screen = (BRIDGE RAScreen*)get_chosen_screen();
if (screen)
{
SEL selector = NSSelectorFromString(BOXSTRING("backingScaleFactor"));
if ([screen respondsToSelector:selector])
{
CGFloat ret;
CocoaView *g_view = (CocoaView*)nsview_get_ptr();
backing_scale_def = (float)get_from_selector
([[g_view window] class], [g_view window], selector, &ret);
}
}
#endif
return 1.0f;
return backing_scale_def;
}
void cocoagl_gfx_ctx_update(void)