144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
//
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// File: vk_layer.h
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//
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/*
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* Copyright (c) 2015-2017 The Khronos Group Inc.
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* Copyright (c) 2015-2017 Valve Corporation
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* Copyright (c) 2015-2017 LunarG, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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/* Need to define dispatch table
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* Core struct can then have ptr to dispatch table at the top
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* Along with object ptrs for current and next OBJ
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*/
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#pragma once
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#include "vulkan.h"
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#if defined(__GNUC__) && __GNUC__ >= 4
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#define VK_LAYER_EXPORT __attribute__((visibility("default")))
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#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
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#define VK_LAYER_EXPORT __attribute__((visibility("default")))
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#else
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#define VK_LAYER_EXPORT
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#endif
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// Definition for VkLayerDispatchTable and VkLayerInstanceDispatchTable now appear in externally generated header
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#include "vk_layer_dispatch_table.h"
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#define MAX_NUM_UNKNOWN_EXTS 250
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// Loader-Layer version negotiation API. Versions add the following features:
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// Versions 0/1 - Initial. Doesn't support vk_layerGetPhysicalDeviceProcAddr
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// or vk_icdNegotiateLoaderLayerInterfaceVersion.
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// Version 2 - Add support for vk_layerGetPhysicalDeviceProcAddr and
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// vk_icdNegotiateLoaderLayerInterfaceVersion.
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#define CURRENT_LOADER_LAYER_INTERFACE_VERSION 2
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#define MIN_SUPPORTED_LOADER_LAYER_INTERFACE_VERSION 1
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// Version negotiation values
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typedef enum VkNegotiateLayerStructType {
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LAYER_NEGOTIATE_UNINTIALIZED = 0,
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LAYER_NEGOTIATE_INTERFACE_STRUCT = 1,
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} VkNegotiateLayerStructType;
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// Version negotiation structures
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typedef struct VkNegotiateLayerInterface {
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VkNegotiateLayerStructType sType;
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void *pNext;
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uint32_t loaderLayerInterfaceVersion;
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PFN_vkGetInstanceProcAddr pfnGetInstanceProcAddr;
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PFN_vkGetDeviceProcAddr pfnGetDeviceProcAddr;
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PFN_GetPhysicalDeviceProcAddr pfnGetPhysicalDeviceProcAddr;
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} VkNegotiateLayerInterface;
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// Version negotiation functions
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typedef VkResult (VKAPI_PTR *PFN_vkNegotiateLoaderLayerInterfaceVersion)(VkNegotiateLayerInterface *pVersionStruct);
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// Function prototype for unknown physical device extension command
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typedef VkResult(VKAPI_PTR *PFN_PhysDevExt)(VkPhysicalDevice phys_device);
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// ------------------------------------------------------------------------------------------------
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// CreateInstance and CreateDevice support structures
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/* Sub type of structure for instance and device loader ext of CreateInfo.
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* When sType == VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO
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* or sType == VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO
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* then VkLayerFunction indicates struct type pointed to by pNext
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*/
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typedef enum VkLayerFunction_ {
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VK_LAYER_LINK_INFO = 0,
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VK_LOADER_DATA_CALLBACK = 1
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} VkLayerFunction;
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typedef struct VkLayerInstanceLink_ {
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struct VkLayerInstanceLink_ *pNext;
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PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
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PFN_GetPhysicalDeviceProcAddr pfnNextGetPhysicalDeviceProcAddr;
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} VkLayerInstanceLink;
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/*
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* When creating the device chain the loader needs to pass
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* down information about it's device structure needed at
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* the end of the chain. Passing the data via the
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* VkLayerDeviceInfo avoids issues with finding the
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* exact instance being used.
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*/
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typedef struct VkLayerDeviceInfo_ {
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void *device_info;
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PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
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} VkLayerDeviceInfo;
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typedef VkResult (VKAPI_PTR *PFN_vkSetInstanceLoaderData)(VkInstance instance,
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void *object);
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typedef VkResult (VKAPI_PTR *PFN_vkSetDeviceLoaderData)(VkDevice device,
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void *object);
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typedef struct {
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VkStructureType sType; // VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO
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const void *pNext;
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VkLayerFunction function;
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union {
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VkLayerInstanceLink *pLayerInfo;
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PFN_vkSetInstanceLoaderData pfnSetInstanceLoaderData;
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} u;
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} VkLayerInstanceCreateInfo;
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typedef struct VkLayerDeviceLink_ {
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struct VkLayerDeviceLink_ *pNext;
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PFN_vkGetInstanceProcAddr pfnNextGetInstanceProcAddr;
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PFN_vkGetDeviceProcAddr pfnNextGetDeviceProcAddr;
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} VkLayerDeviceLink;
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typedef struct {
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VkStructureType sType; // VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO
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const void *pNext;
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VkLayerFunction function;
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union {
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VkLayerDeviceLink *pLayerInfo;
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PFN_vkSetDeviceLoaderData pfnSetDeviceLoaderData;
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} u;
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} VkLayerDeviceCreateInfo;
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#ifdef __cplusplus
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extern "C" {
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#endif
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VKAPI_ATTR VkResult VKAPI_CALL vkNegotiateLoaderLayerInterfaceVersion(VkNegotiateLayerInterface *pVersionStruct);
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#ifdef __cplusplus
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}
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#endif
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