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https://github.com/doitsujin/dxvk.git
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[dxvk] Remove SDL dummy window
SDL >= 2.0.9 permits passing a nullptr window to SDL_Vulkan_GetInstanceExtensions, so there's no point in going though the work of creating a window just to call this function.
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@ -13,30 +13,18 @@ namespace dxvk {
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DxvkNameSet DxvkPlatformExts::getInstanceExtensions() {
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SDL_Window* window = SDL_CreateWindow(
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"Dummy Window",
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SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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1, 1,
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SDL_WINDOW_HIDDEN | SDL_WINDOW_VULKAN);
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if (window == nullptr)
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throw DxvkError(str::format("SDL2 WSI: Failed to create dummy window. ", SDL_GetError()));
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uint32_t extensionCount = 0;
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if (!SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, nullptr))
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if (!SDL_Vulkan_GetInstanceExtensions(nullptr, &extensionCount, nullptr))
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throw DxvkError(str::format("SDL2 WSI: Failed to get instance extension count. ", SDL_GetError()));
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auto extensionNames = std::vector<const char *>(extensionCount);
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if (!SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, extensionNames.data()))
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if (!SDL_Vulkan_GetInstanceExtensions(nullptr, &extensionCount, extensionNames.data()))
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throw DxvkError(str::format("SDL2 WSI: Failed to get instance extensions. ", SDL_GetError()));
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DxvkNameSet names;
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for (const char* name : extensionNames)
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names.add(name);
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SDL_DestroyWindow(window);
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return names;
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}
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