1 files changed, 189 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/khronos/vulkan/vk_layer.h b/contrib/SDL-3.2.8/src/video/khronos/vulkan/vk_layer.h
new file mode 100644
index 0000000..19d88fc
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/khronos/vulkan/vk_layer.h
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2015-2023 The Khronos Group Inc.
+ * Copyright 2015-2023 Valve Corporation
+ * Copyright 2015-2023 LunarG, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+/* Need to define dispatch table
+ * Core struct can then have ptr to dispatch table at the top
+ * Along with object ptrs for current and next OBJ
+ */
+
+#include "vulkan_core.h"
+
+#define MAX_NUM_UNKNOWN_EXTS 250
+
+ // Loader-Layer version negotiation API.  Versions add the following features:
+ //   Versions 0/1 - Initial.  Doesn't support vk_layerGetPhysicalDeviceProcAddr
+ //                  or vk_icdNegotiateLoaderLayerInterfaceVersion.
+ //   Version 2    - Add support for vk_layerGetPhysicalDeviceProcAddr and
+ //                  vk_icdNegotiateLoaderLayerInterfaceVersion.
+#define CURRENT_LOADER_LAYER_INTERFACE_VERSION 2
+#define MIN_SUPPORTED_LOADER_LAYER_INTERFACE_VERSION 1
+
+#define VK_CURRENT_CHAIN_VERSION 1
+
+// Typedef for use in the interfaces below
+typedef PFN_vkVoidFunction (VKAPI_PTR *PFN_GetPhysicalDeviceProcAddr)(VkInstance instance, const char* pName);
+
+// Version negotiation values
+typedef enum VkNegotiateLayerStructType {
+    LAYER_NEGOTIATE_UNINTIALIZED = 0,
+    LAYER_NEGOTIATE_INTERFACE_STRUCT = 1,
+} VkNegotiateLayerStructType;
+
+// Version negotiation structures
+typedef struct VkNegotiateLayerInterface {
+    VkNegotiateLayerStructType sType;
+    void *pNext;
+    uint32_t loaderLayerInterfaceVersion;
+    PFN_vkGetInstanceProcAddr pfnGetInstanceProcAddr;
+    PFN_vkGetDeviceProcAddr pfnGetDeviceProcAddr;
+    PFN_GetPhysicalDeviceProcAddr pfnGetPhysicalDeviceProcAddr;
+} VkNegotiateLayerInterface;
+
+// Version negotiation functions
+typedef VkResult (VKAPI_PTR *PFN_vkNegotiateLoaderLayerInterfaceVersion)(VkNegotiateLayerInterface *pVersionStruct);
+
+// Function prototype for unknown physical device extension command
+typedef VkResult(VKAPI_PTR *PFN_PhysDevExt)(VkPhysicalDevice phys_device);
+
+// ------------------------------------------------------------------------------------------------
+// CreateInstance and CreateDevice support structures
+
+/* Sub type of structure for instance and device loader ext of CreateInfo.
+ * When sType == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO
+ * or sType == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO
+ * then VkLayerFunction indicates struct type pointed to by pNext
+ */
+typedef enum VkLayerFunction_ {
+    VK_LAYER_LINK_INFO = 0,
+    VK_LOADER_DATA_CALLBACK = 1,
+    VK_LOADER_LAYER_CREATE_DEVICE_CALLBACK = 2,
+    VK_LOADER_FEATURES = 3,
+} VkLayerFunction;
+
+typedef struct VkLayerInstanceLink_ {
+    struct VkLayerInstanceLink_ *pNext;
+    PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
+    PFN_GetPhysicalDeviceProcAddr pfnNextGetPhysicalDeviceProcAddr;
+} VkLayerInstanceLink;
+
+/*
+ * When creating the device chain the loader needs to pass
+ * down information about it's device structure needed at
+ * the end of the chain. Passing the data via the
+ * VkLayerDeviceInfo avoids issues with finding the
+ * exact instance being used.
+ */
+typedef struct VkLayerDeviceInfo_ {
+    void *device_info;
+    PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
+} VkLayerDeviceInfo;
+
+typedef VkResult (VKAPI_PTR *PFN_vkSetInstanceLoaderData)(VkInstance instance,
+        void *object);
+typedef VkResult (VKAPI_PTR *PFN_vkSetDeviceLoaderData)(VkDevice device,
+        void *object);
+typedef VkResult (VKAPI_PTR *PFN_vkLayerCreateDevice)(VkInstance instance, VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
+                                                      const VkAllocationCallbacks *pAllocator, VkDevice *pDevice, PFN_vkGetInstanceProcAddr layerGIPA, PFN_vkGetDeviceProcAddr *nextGDPA);
+typedef void (VKAPI_PTR *PFN_vkLayerDestroyDevice)(VkDevice physicalDevice, const VkAllocationCallbacks *pAllocator, PFN_vkDestroyDevice destroyFunction);
+
+typedef enum VkLoaderFeastureFlagBits {
+    VK_LOADER_FEATURE_PHYSICAL_DEVICE_SORTING = 0x00000001,
+} VkLoaderFlagBits;
+typedef VkFlags VkLoaderFeatureFlags;
+
+typedef struct {
+    VkStructureType sType; // VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO
+    const void *pNext;
+    VkLayerFunction function;
+    union {
+        VkLayerInstanceLink *pLayerInfo;
+        PFN_vkSetInstanceLoaderData pfnSetInstanceLoaderData;
+        struct {
+                PFN_vkLayerCreateDevice pfnLayerCreateDevice;
+                PFN_vkLayerDestroyDevice pfnLayerDestroyDevice;
+            } layerDevice;
+        VkLoaderFeatureFlags loaderFeatures;
+    } u;
+} VkLayerInstanceCreateInfo;
+
+typedef struct VkLayerDeviceLink_ {
+    struct VkLayerDeviceLink_ *pNext;
+    PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
+    PFN_vkGetDeviceProcAddr pfnNextGetDeviceProcAddr;
+} VkLayerDeviceLink;
+
+typedef struct {
+    VkStructureType sType; // VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO
+    const void *pNext;
+    VkLayerFunction function;
+    union {
+        VkLayerDeviceLink *pLayerInfo;
+        PFN_vkSetDeviceLoaderData pfnSetDeviceLoaderData;
+    } u;
+} VkLayerDeviceCreateInfo;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+VKAPI_ATTR VkResult VKAPI_CALL vkNegotiateLoaderLayerInterfaceVersion(VkNegotiateLayerInterface *pVersionStruct);
+
+typedef enum VkChainType {
+    VK_CHAIN_TYPE_UNKNOWN = 0,
+    VK_CHAIN_TYPE_ENUMERATE_INSTANCE_EXTENSION_PROPERTIES = 1,
+    VK_CHAIN_TYPE_ENUMERATE_INSTANCE_LAYER_PROPERTIES = 2,
+    VK_CHAIN_TYPE_ENUMERATE_INSTANCE_VERSION = 3,
+} VkChainType;
+
+typedef struct VkChainHeader {
+    VkChainType type;
+    uint32_t version;
+    uint32_t size;
+} VkChainHeader;
+
+typedef struct VkEnumerateInstanceExtensionPropertiesChain {
+    VkChainHeader header;
+    VkResult(VKAPI_PTR *pfnNextLayer)(const struct VkEnumerateInstanceExtensionPropertiesChain *, const char *, uint32_t *,
+                                      VkExtensionProperties *);
+    const struct VkEnumerateInstanceExtensionPropertiesChain *pNextLink;
+
+#if defined(__cplusplus)
+    inline VkResult CallDown(const char *pLayerName, uint32_t *pPropertyCount, VkExtensionProperties *pProperties) const {
+        return pfnNextLayer(pNextLink, pLayerName, pPropertyCount, pProperties);
+    }
+#endif
+} VkEnumerateInstanceExtensionPropertiesChain;
+
+typedef struct VkEnumerateInstanceLayerPropertiesChain {
+    VkChainHeader header;
+    VkResult(VKAPI_PTR *pfnNextLayer)(const struct VkEnumerateInstanceLayerPropertiesChain *, uint32_t *, VkLayerProperties *);
+    const struct VkEnumerateInstanceLayerPropertiesChain *pNextLink;
+
+#if defined(__cplusplus)
+    inline VkResult CallDown(uint32_t *pPropertyCount, VkLayerProperties *pProperties) const {
+        return pfnNextLayer(pNextLink, pPropertyCount, pProperties);
+    }
+#endif
+} VkEnumerateInstanceLayerPropertiesChain;
+
+typedef struct VkEnumerateInstanceVersionChain {
+    VkChainHeader header;
+    VkResult(VKAPI_PTR *pfnNextLayer)(const struct VkEnumerateInstanceVersionChain *, uint32_t *);
+    const struct VkEnumerateInstanceVersionChain *pNextLink;
+
+#if defined(__cplusplus)
+    inline VkResult CallDown(uint32_t *pApiVersion) const {
+        return pfnNextLayer(pNextLink, pApiVersion);
+    }
+#endif
+} VkEnumerateInstanceVersionChain;
+
+#ifdef __cplusplus
+}
+#endif