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MaterialSystem: don't sample imgui frames if window is occluded

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Check if the window is occluded first before sampling. Massive runtime load reduction when application minimized in full-screen mode.

This also fixes the issue where the console would scroll all the way to the top when the application is minimized in full screen mode, as we can't calculate the window sizes properly causing SetScrollPos to set the pos to a large negative value.
This commit is contained in:
Kawe Mazidjatari 2024-11-23 01:22:32 +01:00
parent 7febdde3d4
commit bae7df37ae
1 changed files with 5 additions and 1 deletions
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6
src/materialsystem/cmaterialsystem.cpp
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@ -15,6 +15,7 @@
#include "geforce/reflex.h"
#include "radeon/antilag.h"
#ifndef MATERIALSYSTEM_NODX
#include "windows/id3dx.h"
#include "gameui/imgui_system.h"
#include "materialsystem/cmaterialglue.h"
#endif // !MATERIALSYSTEM_NODX
@ -152,7 +153,10 @@ void* CMaterialSystem::SwapBuffers(CMaterialSystem* pMatSys)
{
CImguiSystem* const imguiSystem = ImguiSystem();
if (imguiSystem->IsInitialized())
// See https://github.com/ocornut/imgui/issues/7615, looking for status msg
// DXGI_STATUS_OCCLUDED isn't compatible with DXGI_SWAP_EFFECT_FLIP_DISCARD.
// This engine however does not use the flip model.
if (imguiSystem->IsInitialized() && D3D11SwapChain()->Present(0, DXGI_PRESENT_TEST) != DXGI_STATUS_OCCLUDED)
{
imguiSystem->SampleFrame();
imguiSystem->SwapBuffers();