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System: Handle GPU device loss in BP-only mode

This commit is contained in:
Stenzek 2024-11-10 15:48:41 +10:00
parent 5b600789d6
commit 8611f4f438
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1 changed files with 30 additions and 13 deletions
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43
src/core/system.cpp
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@ -1256,21 +1256,38 @@ void System::HandleHostGPUDeviceLost()
}
s_last_gpu_reset_time = current_time;
// Little bit janky, but because the device is lost, the VRAM readback is going to give us garbage.
// So back up what we have, it's probably missing bits, but whatever...
DynamicHeapArray<u8> vram_backup(VRAM_SIZE);
std::memcpy(vram_backup.data(), g_vram, VRAM_SIZE);
// Device lost, something went really bad.
// Let's just toss out everything, and try to hobble on.
if (!RecreateGPU(g_gpu->IsHardwareRenderer() ? g_settings.gpu_renderer : GPURenderer::Software, true, false))
if (g_gpu)
{
Panic("Failed to recreate GS device after loss.");
return;
}
// Little bit janky, but because the device is lost, the VRAM readback is going to give us garbage.
// So back up what we have, it's probably missing bits, but whatever...
DynamicHeapArray<u8> vram_backup(VRAM_SIZE);
std::memcpy(vram_backup.data(), g_vram, VRAM_SIZE);
// Restore backed-up VRAM.
std::memcpy(g_vram, vram_backup.data(), VRAM_SIZE);
// Device lost, something went really bad.
// Let's just toss out everything, and try to hobble on.
if (!RecreateGPU(g_gpu->IsHardwareRenderer() ? g_settings.gpu_renderer : GPURenderer::Software, true, false))
{
Panic("Failed to recreate GPU device after loss.");
return;
}
// Restore backed-up VRAM.
std::memcpy(g_vram, vram_backup.data(), VRAM_SIZE);
}
else
{
// Only big picture mode was running.
const bool fsui_running = FullscreenUI::IsInitialized();
const bool fullscreen = Host::IsFullscreen();
const RenderAPI api = g_gpu_device->GetRenderAPI();
Host::ReleaseGPUDevice();
Host::ReleaseRenderWindow();
if (!Host::CreateGPUDevice(api, fullscreen, nullptr) || (fsui_running && !FullscreenUI::Initialize()))
{
Panic("Failed to recreate GPU device after loss.");
return;
}
}
// First frame after reopening is definitely going to be trash, so skip it.
Host::AddIconOSDWarning(