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Disable AMD switchable graphics on Windows with Vulkan to fix driver issue #73450

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4 changes: 4 additions & 0 deletions platform/windows/vulkan_context_win.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,10 @@ Error VulkanContextWindows::window_create(DisplayServer::WindowID p_window_id, D
}

VulkanContextWindows::VulkanContextWindows() {
// Workaround for Vulkan not working on setups with AMD integrated graphics + NVIDIA dedicated GPU (GH-57708).
// This prevents using AMD integrated graphics with Vulkan entirely, but it allows the engine to start
// even on outdated/broken driver setups.
OS::get_singleton()->set_environment("DISABLE_LAYER_AMD_SWITCHABLE_GRAPHICS_1", "1");
}

VulkanContextWindows::~VulkanContextWindows() {
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