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Windows: Correctly set the DPI-awareness of OpenGL worker threads

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This commit is contained in:
ed 2019-09-02 17:24:19 +01:00
parent f95d9ea8df
commit a37b918082
2 changed files with 35 additions and 1 deletions
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21
modules/juce_gui_basics/native/juce_win32_Windowing.cpp
View file

@ -4095,6 +4095,27 @@ JUCE_API bool shouldScaleGLWindow (void* hwnd)
}
#endif
JUCE_API void setThreadDPIAwareness (void* hwnd)
{
if (setThreadDPIAwarenessContext != nullptr)
{
if (! JUCEApplicationBase::isStandaloneApp())
{
if (hwnd != nullptr)
setThreadDPIAwarenessContext (isPerMonitorDPIAwareWindow ((HWND) hwnd) ? DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE
: DPI_AWARENESS_CONTEXT_UNAWARE);
}
else
{
#if JUCE_WIN_PER_MONITOR_DPI_AWARE
setThreadDPIAwarenessContext (DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE);
#else
setThreadDPIAwarenessContext (DPI_AWARENESS_CONTEXT_UNAWARE);
#endif
}
}
}
JUCE_IMPLEMENT_SINGLETON (HWNDComponentPeer::WindowClassHolder)
//==============================================================================

15
modules/juce_opengl/native/juce_OpenGL_win32.h
View file

@ -40,6 +40,8 @@ extern bool shouldScaleGLWindow (void* hwnd);
void setProcessDPIAwarenessIfNecessary (void*);
#endif
void setThreadDPIAwareness (void*);
//==============================================================================
class OpenGLContext::NativeContext
#if JUCE_WIN_PER_MONITOR_DPI_AWARE
@ -109,6 +111,8 @@ public:
setProcessDPIAwarenessIfNecessary (nativeWindow->getNativeHandle());
#endif
updateThreadDPIAwareness();
context = &c;
return true;
}
@ -116,7 +120,7 @@ public:
void shutdownOnRenderThread() { deactivateCurrentContext(); context = nullptr; }
static void deactivateCurrentContext() { wglMakeCurrent (0, 0); }
bool makeActive() const noexcept { return isActive() || wglMakeCurrent (dc, renderContext) != FALSE; }
bool makeActive() const noexcept { updateThreadDPIAwareness(); return isActive() || wglMakeCurrent (dc, renderContext) != FALSE; }
bool isActive() const noexcept { return wglGetCurrentContext() == renderContext; }
void swapBuffers() const noexcept { SwapBuffers (dc); }
@ -336,6 +340,15 @@ private:
return format;
}
void updateThreadDPIAwareness() const
{
if (nativeWindow.get() != nullptr)
setThreadDPIAwareness (nativeWindow->getNativeHandle());
else
setThreadDPIAwareness (nullptr);
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NativeContext)
};