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//
// File: vk_layer.h
//
/*
* Copyright (c) 2015-2017 The Khronos Group Inc.
* Copyright (c) 2015-2017 Valve Corporation
* Copyright (c) 2015-2017 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/* 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
*/
#pragma once
#include "vulkan.h"
#if defined(__GNUC__) && __GNUC__ >= 4
#define VK_LAYER_EXPORT __attribute__((visibility("default")))
#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
#define VK_LAYER_EXPORT __attribute__((visibility("default")))
#else
#define VK_LAYER_EXPORT
#endif
#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
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