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GS:Mac: Nicer message send

This commit is contained in:
TellowKrinkle 2022-01-23 22:03:33 -06:00 committed by refractionpcsx2
parent 7a628f1a12
commit d9e2bcef6d
1 changed files with 27 additions and 6 deletions
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33
common/Vulkan/SwapChain.cpp
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@ -29,6 +29,27 @@
#if defined(__APPLE__)
#include <objc/message.h>
#ifdef __i386__
typedef float CGFloat;
#else
typedef double CGFloat;
#endif
template <typename Ret, typename Self, typename... Args>
Ret msgsend(Self self, const char* sel, Args... args)
{
void (*fn)(void) = objc_msgSend;
#ifdef __i386__
if (std::is_same<Ret, float>::value || std::is_same<Ret, double>::value || std::is_same<Ret, long double>::value)
fn = objc_msgSend_fpret;
#endif
#ifdef __x86_64__
if (std::is_same<Ret, long double>::value)
fn = objc_msgSend_fpret;
#endif
return reinterpret_cast<Ret(*)(Self, SEL, Args...)>(fn)(self, sel_getUid(sel), args...);
}
static bool CreateMetalLayer(WindowInfo* wi)
{
id view = reinterpret_cast<id>(wi->window_handle);
@ -41,7 +62,7 @@ static bool CreateMetalLayer(WindowInfo* wi)
}
// [CAMetalLayer layer]
id layer = reinterpret_cast<id (*)(Class, SEL)>(objc_msgSend)(objc_getClass("CAMetalLayer"), sel_getUid("layer"));
id layer = msgsend<id, Class>(clsCAMetalLayer, "layer");
if (!layer)
{
Console.Error("Failed to create Metal layer.");
@ -49,19 +70,19 @@ static bool CreateMetalLayer(WindowInfo* wi)
}
// [view setWantsLayer:YES]
reinterpret_cast<void (*)(id, SEL, BOOL)>(objc_msgSend)(view, sel_getUid("setWantsLayer:"), YES);
msgsend<void, id, BOOL>(view, "setWantsLayer:", YES);
// [view setLayer:layer]
reinterpret_cast<void (*)(id, SEL, id)>(objc_msgSend)(view, sel_getUid("setLayer:"), layer);
msgsend<void, id, id>(view, "setLayer:", layer);
// NSScreen* screen = [NSScreen mainScreen]
id screen = reinterpret_cast<id (*)(Class, SEL)>(objc_msgSend)(objc_getClass("NSScreen"), sel_getUid("mainScreen"));
id screen = msgsend<id, Class>(objc_getClass("NSScreen"), "mainScreen");
// CGFloat factor = [screen backingScaleFactor]
double factor = reinterpret_cast<double (*)(id, SEL)>(objc_msgSend)(screen, sel_getUid("backingScaleFactor"));
CGFloat factor = msgsend<CGFloat, id>(screen, "backingScaleFactor");
// layer.contentsScale = factor
reinterpret_cast<void (*)(id, SEL, double)>(objc_msgSend)(layer, sel_getUid("setContentsScale:"), factor);
msgsend<void, id, CGFloat>(layer, "setContentsScale:", factor);
// Store the layer pointer, that way MoltenVK doesn't call [NSView layer] outside the main thread.
wi->surface_handle = layer;