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Metal: Dynamic frame VSync to match #3706. (#3709)

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This commit is contained in:
Branimir Karadžić
2026-05-17 09:23:00 -07:00
committed by GitHub
parent a8250ceaf9
commit 4997ad09ed
1 changed files with 32 additions and 1 deletions
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33
src/renderer_mtl.cpp
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@@ -1755,12 +1755,43 @@ static_assert(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNames
m_depthClamp = m_supportsDepthClipMode
&& !!(_resolution.reset & BGFX_RESET_DEPTH_CLAMP);
const uint32_t maskFlags = ~(0
uint32_t maskFlags = ~(0
| BGFX_RESET_MAXANISOTROPY
| BGFX_RESET_DEPTH_CLAMP
| BGFX_RESET_SUSPEND
);
#if BX_PLATFORM_OSX
# if __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
if (m_hasVSync
&& !!((_resolution.reset ^ m_resolution.reset) & BGFX_RESET_VSYNC) )
{
m_resolution.reset = 0
| (m_resolution.reset & ~BGFX_RESET_VSYNC)
| ( _resolution.reset & BGFX_RESET_VSYNC)
;
const bool displaySync = !!(m_resolution.reset & BGFX_RESET_VSYNC);
for (uint32_t ii = 0, num = m_numWindows; ii < num; ++ii)
{
FrameBufferMtl& fb = 0 == ii
? m_mainFrameBuffer
: m_frameBuffers[m_windows[ii].idx]
;
if (NULL != fb.m_swapChain
&& NULL != fb.m_swapChain->m_metalLayer)
{
fb.m_swapChain->m_metalLayer->setDisplaySyncEnabled(displaySync);
}
}
maskFlags &= ~BGFX_RESET_VSYNC;
}
# endif // __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
#endif // BX_PLATFORM_OSX
if (m_resolution.width != _resolution.width
|| m_resolution.height != _resolution.height
|| (m_resolution.reset&maskFlags) != (_resolution.reset&maskFlags) )