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HostDisplay: Manually throttle fullscreen UI presentation

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Fixes flickering screen in fullscreen with Vulkan.
This commit is contained in:
Connor McLaughlin
2022-12-04 14:05:57 +10:00
parent eafa4fb1a3
commit 7d3ac98cc6
19 changed files with 81 additions and 58 deletions
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5
src/core/host_display.h
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@ -67,7 +67,7 @@ public:
virtual bool HasDevice() const = 0;
virtual bool HasSurface() const = 0;
virtual bool CreateDevice(const WindowInfo& wi) = 0;
virtual bool CreateDevice(const WindowInfo& wi, bool vsync) = 0;
virtual bool SetupDevice() = 0;
virtual bool MakeCurrent() = 0;
virtual bool DoneCurrent() = 0;
@ -104,6 +104,7 @@ public:
virtual bool RenderScreenshot(u32 width, u32 height, std::vector<u32>* out_pixels, u32* out_stride,
GPUTexture::Format* out_format) = 0;
ALWAYS_INLINE bool IsVsyncEnabled() const { return m_vsync_enabled; }
virtual void SetVSync(bool enabled) = 0;
/// ImGui context management, usually called by derived classes.
@ -114,6 +115,7 @@ public:
bool UsesLowerLeftOrigin() const;
void SetDisplayMaxFPS(float max_fps);
bool ShouldSkipDisplayingFrame();
void ThrottlePresentation();
void ClearDisplayTexture()
{
@ -243,6 +245,7 @@ protected:
bool m_display_changed = false;
bool m_gpu_timing_enabled = false;
bool m_vsync_enabled = false;
};
/// Returns a pointer to the current host display abstraction. Assumes AcquireHostDisplay() has been caled.