#ifndef VULKAN_FUCHSIA_EXTRAS_H_
#define VULKAN_FUCHSIA_EXTRAS_H_ 1

#ifdef __cplusplus
extern "C" {
#endif

/*
** Copyright (c) 2015-2019 The Khronos Group 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.
*/

// IMPORTANT:
//
// The following declarations are not part of the upstream Khronos headers yet
// but the Fuchsia platform currently relies on them to implement various
// extensions required by its compositor and graphics libraries.


//////////////////////////////////////////////////////////////////////////
///
///  The following will be part of vulkan_core.h
///

#define VK_STRUCTURE_TYPE_BUFFER_COLLECTION_CREATE_INFO_FUCHSIA            ((VkStructureType)1001004000)
#define VK_STRUCTURE_TYPE_FUCHSIA_IMAGE_FORMAT_FUCHSIA                     ((VkStructureType)1001004001)
#define VK_STRUCTURE_TYPE_IMPORT_MEMORY_BUFFER_COLLECTION_FUCHSIA          ((VkStructureType)1001004004)
#define VK_STRUCTURE_TYPE_BUFFER_COLLECTION_IMAGE_CREATE_INFO_FUCHSIA      ((VkStructureType)1001004005)
#define VK_STRUCTURE_TYPE_BUFFER_COLLECTION_PROPERTIES_FUCHSIA             ((VkStructureType)1001004006)
#define VK_STRUCTURE_TYPE_BUFFER_CONSTRAINTS_INFO_FUCHSIA                  ((VkStructureType)1001004007)
#define VK_STRUCTURE_TYPE_BUFFER_COLLECTION_BUFFER_CREATE_INFO_FUCHSIA     ((VkStructureType)1001004008)
#define VK_STRUCTURE_TYPE_TEMP_IMPORT_MEMORY_ZIRCON_HANDLE_INFO_FUCHSIA    ((VkStructureType)1001005000)
#define VK_STRUCTURE_TYPE_TEMP_MEMORY_ZIRCON_HANDLE_PROPERTIES_FUCHSIA     ((VkStructureType)1001005001)
#define VK_STRUCTURE_TYPE_TEMP_MEMORY_GET_ZIRCON_HANDLE_INFO_FUCHSIA       ((VkStructureType)1001005002)
#define VK_STRUCTURE_TYPE_TEMP_IMPORT_SEMAPHORE_ZIRCON_HANDLE_INFO_FUCHSIA ((VkStructureType)1001006000)
#define VK_STRUCTURE_TYPE_TEMP_SEMAPHORE_GET_ZIRCON_HANDLE_INFO_FUCHSIA    ((VkStructureType)1001006001)

#define VK_OBJECT_TYPE_BUFFER_COLLECTION_FUCHSIA ((VkObjectType)1001004002)

#define VK_EXTERNAL_MEMORY_HANDLE_TYPE_TEMP_ZIRCON_VMO_BIT_FUCHSIA ((VkExternalMemoryHandleTypeFlagBits)0x00100000)
#define VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_TEMP_ZIRCON_EVENT_BIT_FUCHSIA ((VkExternalSemaphoreHandleTypeFlagBits) 0x00100000)

#define VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_COLLECTION_FUCHSIA_EXT ((VkDebugReportObjectTypeEXT) 1001004003)


//////////////////////////////////////////////////////////////////////////
///
///  The following will be part of vulkan_fuchsia.h
///

#define VK_FUCHSIA_buffer_collection 1
VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkBufferCollectionFUCHSIA)

#define VK_FUCHSIA_BUFFER_COLLECTION_SPEC_VERSION 1
#define VK_FUCHSIA_BUFFER_COLLECTION_EXTENSION_NAME "VK_FUCHSIA_buffer_collection"

typedef struct VkBufferCollectionCreateInfoFUCHSIA {
    VkStructureType    sType;
    const void*        pNext;
    zx_handle_t        collectionToken;
} VkBufferCollectionCreateInfoFUCHSIA;

typedef struct VkFuchsiaImageFormatFUCHSIA {
    VkStructureType    sType;
    const void*        pNext;
    const void*        imageFormat;
    uint32_t           imageFormatSize;
} VkFuchsiaImageFormatFUCHSIA;

typedef struct VkImportMemoryBufferCollectionFUCHSIA {
    VkStructureType              sType;
    const void*                  pNext;
    VkBufferCollectionFUCHSIA    collection;
    uint32_t                     index;
} VkImportMemoryBufferCollectionFUCHSIA;

typedef struct VkBufferCollectionImageCreateInfoFUCHSIA {
    VkStructureType              sType;
    const void*                  pNext;
    VkBufferCollectionFUCHSIA    collection;
    uint32_t                     index;
} VkBufferCollectionImageCreateInfoFUCHSIA;

typedef struct VkBufferConstraintsInfoFUCHSIA {
    VkStructureType              sType;
    const void*                  pNext;
    const VkBufferCreateInfo*    pBufferCreateInfo;
    VkFormatFeatureFlags         requiredFormatFeatures;
    uint32_t                     minCount;
} VkBufferConstraintsInfoFUCHSIA;

typedef struct VkBufferCollectionBufferCreateInfoFUCHSIA {
    VkStructureType              sType;
    const void*                  pNext;
    VkBufferCollectionFUCHSIA    collection;
    uint32_t                     index;
} VkBufferCollectionBufferCreateInfoFUCHSIA;

typedef struct VkBufferCollectionPropertiesFUCHSIA {
    VkStructureType    sType;
    void*              pNext;
    uint32_t           memoryTypeBits;
    uint32_t           count;
} VkBufferCollectionPropertiesFUCHSIA;


typedef VkResult (VKAPI_PTR *PFN_vkCreateBufferCollectionFUCHSIA)(VkDevice device, const VkBufferCollectionCreateInfoFUCHSIA* pImportInfo, const VkAllocationCallbacks* pAllocator, VkBufferCollectionFUCHSIA* pCollection);
typedef VkResult (VKAPI_PTR *PFN_vkSetBufferCollectionConstraintsFUCHSIA)(VkDevice device, VkBufferCollectionFUCHSIA collection, const VkImageCreateInfo* pImageInfo);
typedef VkResult (VKAPI_PTR *PFN_vkSetBufferCollectionBufferConstraintsFUCHSIA)(VkDevice device, VkBufferCollectionFUCHSIA collection, const VkBufferConstraintsInfoFUCHSIA* pBufferConstraintsInfo);
typedef void (VKAPI_PTR *PFN_vkDestroyBufferCollectionFUCHSIA)(VkDevice device, VkBufferCollectionFUCHSIA collection, const VkAllocationCallbacks* pAllocator);
typedef VkResult (VKAPI_PTR *PFN_vkGetBufferCollectionPropertiesFUCHSIA)(VkDevice device, VkBufferCollectionFUCHSIA collection, VkBufferCollectionPropertiesFUCHSIA* pProperties);

#ifndef VK_NO_PROTOTYPES
VKAPI_ATTR VkResult VKAPI_CALL vkCreateBufferCollectionFUCHSIA(
    VkDevice                                    device,
    const VkBufferCollectionCreateInfoFUCHSIA*  pImportInfo,
    const VkAllocationCallbacks*                pAllocator,
    VkBufferCollectionFUCHSIA*                  pCollection);

VKAPI_ATTR VkResult VKAPI_CALL vkSetBufferCollectionConstraintsFUCHSIA(
    VkDevice                                    device,
    VkBufferCollectionFUCHSIA                   collection,
    const VkImageCreateInfo*                    pImageInfo);

VKAPI_ATTR VkResult VKAPI_CALL vkSetBufferCollectionBufferConstraintsFUCHSIA(
    VkDevice                                    device,
    VkBufferCollectionFUCHSIA                   collection,
    const VkBufferConstraintsInfoFUCHSIA*       pBufferConstraintsInfo);

VKAPI_ATTR void VKAPI_CALL vkDestroyBufferCollectionFUCHSIA(
    VkDevice                                    device,
    VkBufferCollectionFUCHSIA                   collection,
    const VkAllocationCallbacks*                pAllocator);

VKAPI_ATTR VkResult VKAPI_CALL vkGetBufferCollectionPropertiesFUCHSIA(
    VkDevice                                    device,
    VkBufferCollectionFUCHSIA                   collection,
    VkBufferCollectionPropertiesFUCHSIA*        pProperties);
#endif

#ifdef __cplusplus
}
#endif

#endif  // VULKAN_FUCHSIA_EXTRAS_H_