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libretro: better safety on vkDevice feature checks

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Eric Warmenhoven 2026-02-23 16:29:56 -05:00 • committed by OpenSauce
parent 8fac24d2a4
commit 27c3e0e5c3
1 changed files with 18 additions and 5 deletions
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23
src/citra_libretro/libretro_vk.cpp
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@ -115,11 +115,24 @@ bool CreateVulkanDevice(struct retro_vulkan_context* context, VkInstance instanc
}
}
// Request features we need (these will be OR'd with frontend requirements)
// The Instance class will validate these against actual device capabilities
merged_features.geometryShader = VK_TRUE; // Used for certain rendering effects
merged_features.logicOp = VK_TRUE; // Used for blending modes
merged_features.samplerAnisotropy = VK_TRUE; // Used for texture filtering
// Query actual device features so we only request what's supported
PFN_vkGetPhysicalDeviceFeatures vkGetPhysicalDeviceFeatures =
(PFN_vkGetPhysicalDeviceFeatures)get_instance_proc_addr(instance,
"vkGetPhysicalDeviceFeatures");
VkPhysicalDeviceFeatures device_features{};
vkGetPhysicalDeviceFeatures(gpu, &device_features);
// Request features we want, gated by actual device support
if (device_features.geometryShader)
merged_features.geometryShader = VK_TRUE;
if (device_features.logicOp)
merged_features.logicOp = VK_TRUE;
if (device_features.samplerAnisotropy)
merged_features.samplerAnisotropy = VK_TRUE;
if (device_features.fragmentStoresAndAtomics)
merged_features.fragmentStoresAndAtomics = VK_TRUE;
if (device_features.shaderClipDistance)
merged_features.shaderClipDistance = VK_TRUE;
// Find queue family with graphics support
PFN_vkGetPhysicalDeviceQueueFamilyProperties vkGetPhysicalDeviceQueueFamilyProperties =