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starting to work on headless support

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kbz_8
2025-06-24 07:10:02 +02:00
parent c474648da0
commit 14dee628c4
4 changed files with 38 additions and 19 deletions
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40
runtime/Sources/Renderer/RenderCore.cpp
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@@ -87,15 +87,24 @@ namespace mlx
kvfSetValidationErrorCallback(&ValidationErrorCallback);
kvfSetValidationWarningCallback(&WarningCallback);
mlx_window_create_info info{};
info.title = "";
info.width = 1;
info.height = 1;
Window window(&info, true);
std::vector<const char*> instance_extensions = window.GetRequiredVulkanInstanceExtentions();
#ifdef MLX_PLAT_MACOS
instance_extensions.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
#endif
std::vector<const char*> instance_extensions;
VkSurfaceKHR surface = VK_NULL_HANDLE;
std::unique_ptr<Window> window;
bool is_headless = std::getenv("MLX_HEADLESS_MODE") != nullptr;
if(!is_headless)
{
mlx_window_create_info info{};
info.title = "";
info.width = 1;
info.height = 1;
window = std::make_unique<Window>(&info, true);
instance_extensions = window->GetRequiredVulkanInstanceExtentions();
#ifdef MLX_PLAT_MACOS
instance_extensions.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
#endif
}
m_instance = kvfCreateInstance(instance_extensions.data(), instance_extensions.size());
DebugLog("Vulkan: instance created");
@@ -103,9 +112,13 @@ namespace mlx
loader->LoadInstance(m_instance);
LoadKVFInstanceVulkanFunctionPointers();
VkSurfaceKHR surface = window.CreateVulkanSurface(m_instance);
m_physical_device = kvfPickGoodDefaultPhysicalDevice(m_instance, surface);
if(!is_headless)
{
surface = window->CreateVulkanSurface(m_instance);
m_physical_device = kvfPickGoodDefaultPhysicalDevice(m_instance, surface);
}
else
m_physical_device = kvfPickGoodPhysicalDevice(m_instance, VK_NULL_HANDLE, nullptr, 0);
// just for style
VkPhysicalDeviceProperties props;
@@ -121,7 +134,8 @@ namespace mlx
loader->LoadDevice(m_device);
LoadKVFDeviceVulkanFunctionPointers();
vkDestroySurfaceKHR(m_instance, surface, nullptr);
if(surface != VK_NULL_HANDLE)
vkDestroySurfaceKHR(m_instance, surface, nullptr);
VkAllocationCallbacks callbacks;
callbacks.pUserData = nullptr;