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cli: add --gpu <index> to select a Vulkan physical deviceFeature gpu select (#417)

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* cli: add --gpu <index> to select a Vulkan physical device

Select the Vulkan physical device by enumeration index, defaulting to
automatic selection (-1). Invalid or out-of-range indices fall back to
automatic selection with a clear message, and the selected device is
logged.

Co-Authored-By: Claude <noreply@anthropic.com>

* cli: reject invalid --gpu index, translate comments, apply clang-format

An invalid --gpu index now prints an error and exits with code 1 (usage),
matching --user-id / --present-mode / --console-language. The automatic
fallback is kept only for out-of-range indices detected at runtime.
Comments translated to English and the touched files brought in line
with clang-format (pre-commit v22.1.3).

Co-Authored-By: Claude <noreply@anthropic.com>

* cli: simplify Vulkan device selection

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
francoisatt
2026-08-31 01:43:17 +02:00
committed by GitHub
parent cd0f0a428a
commit 13533bd053
4 changed files with 14 additions and 0 deletions
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src/graphics/presentation/window/vulkanWindow.cpp
+4
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@@ -157,6 +157,10 @@ static void VulkanFindPhysicalDevice(vk::Instance instance, vk::SurfaceKHR surfa
});
EXIT_NOT_IMPLEMENTED(devices.empty());
if (Config::GetGpuIndex() >= 0) {
devices = {devices[Config::GetGpuIndex()]};
}
vk::PhysicalDevice best_device = nullptr;
uint32_t best_queue_family = static_cast<uint32_t>(-1);
SurfaceCapabilities best_capabilities;