/*
** Copyright (c) 2020 LunarG, Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and associated documentation files (the "Software"),
** to deal in the Software without restriction, including without limitation
** the rights to use, copy, modify, merge, publish, distribute, sublicense,
** and/or sell copies of the Software, and to permit persons to whom the
** Software is furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
** FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
*/

#ifndef GFXRECON_DECODE_VULKAN_RESOURCE_ALLOCATOR_H
#define GFXRECON_DECODE_VULKAN_RESOURCE_ALLOCATOR_H

#include "decode/handle_pointer_decoder.h"
#include "decode/struct_pointer_decoder.h"
#include "format/format.h"
#include "util/defines.h"

#include "vulkan/vulkan.h"

#include <string>
#include <vector>

GFXRECON_BEGIN_NAMESPACE(gfxrecon)
GFXRECON_BEGIN_NAMESPACE(decode)

struct VulkanDeviceMemoryInfo;
struct VulkanBufferInfo;
struct VulkanImageInfo;

class VulkanResourceAllocator
{
  public:
    typedef uintptr_t ResourceData;
    typedef uintptr_t MemoryData;

  public:
    struct Functions
    {
        PFN_vkGetPhysicalDeviceProperties            get_physical_device_properties{ nullptr };
        PFN_vkGetPhysicalDeviceMemoryProperties      get_physical_device_memory_properties{ nullptr };
        PFN_vkGetPhysicalDeviceMemoryProperties2     get_physical_device_memory_properties2{ nullptr };
        PFN_vkAllocateMemory                         allocate_memory{ nullptr };
        PFN_vkFreeMemory                             free_memory{ nullptr };
        PFN_vkGetDeviceMemoryCommitment              get_device_memory_commitment{ nullptr };
        PFN_vkMapMemory                              map_memory{ nullptr };
        PFN_vkUnmapMemory                            unmap_memory{ nullptr };
        PFN_vkFlushMappedMemoryRanges                flush_memory_ranges{ nullptr };
        PFN_vkInvalidateMappedMemoryRanges           invalidate_memory_ranges{ nullptr };
        PFN_vkCreateBuffer                           create_buffer{ nullptr };
        PFN_vkDestroyBuffer                          destroy_buffer{ nullptr };
        PFN_vkGetBufferMemoryRequirements            get_buffer_memory_requirements{ nullptr };
        PFN_vkGetBufferMemoryRequirements2           get_buffer_memory_requirements2{ nullptr };
        PFN_vkBindBufferMemory                       bind_buffer_memory{ nullptr };
        PFN_vkBindBufferMemory2                      bind_buffer_memory2{ nullptr };
        PFN_vkCmdCopyBuffer                          cmd_copy_buffer{ nullptr };
        PFN_vkCreateImage                            create_image{ nullptr };
        PFN_vkDestroyImage                           destroy_image{ nullptr };
        PFN_vkCreateVideoSessionKHR                  create_video_session{ nullptr };
        PFN_vkDestroyVideoSessionKHR                 destroy_video_session{ nullptr };
        PFN_vkGetImageMemoryRequirements             get_image_memory_requirements{ nullptr };
        PFN_vkGetImageMemoryRequirements2            get_image_memory_requirements2{ nullptr };
        PFN_vkGetVideoSessionMemoryRequirementsKHR   get_video_session_memory_requirements{ nullptr };
        PFN_vkGetImageSubresourceLayout              get_image_subresource_layout{ nullptr };
        PFN_vkBindImageMemory                        bind_image_memory{ nullptr };
        PFN_vkBindImageMemory2                       bind_image_memory2{ nullptr };
        PFN_vkBindVideoSessionMemoryKHR              bind_video_session_memory{ nullptr };
        PFN_vkGetInstanceProcAddr                    get_instance_proc_addr{ nullptr };
        PFN_vkGetDeviceProcAddr                      get_device_proc_addr{ nullptr };
        PFN_vkGetDeviceQueue                         get_device_queue{ nullptr };
        PFN_vkCreateCommandPool                      create_command_pool{ nullptr };
        PFN_vkAllocateCommandBuffers                 allocate_command_buffers{ nullptr };
        PFN_vkBeginCommandBuffer                     begin_command_buffer{ nullptr };
        PFN_vkEndCommandBuffer                       end_command_buffer{ nullptr };
        PFN_vkQueueSubmit                            queue_submit{ nullptr };
        PFN_vkQueueWaitIdle                          queue_wait_idle{ nullptr };
        PFN_vkResetCommandBuffer                     reset_command_buffer{ nullptr };
        PFN_vkCmdCopyBufferToImage                   cmd_copy_buffer_to_image{ nullptr };
        PFN_vkFreeCommandBuffers                     free_command_buffers{ nullptr };
        PFN_vkDestroyCommandPool                     destroy_command_pool{ nullptr };
        PFN_vkGetPhysicalDeviceQueueFamilyProperties get_physical_device_queue_family_properties{ nullptr };
    };

  public:
    virtual ~VulkanResourceAllocator() {}

    virtual VkResult Initialize(uint32_t                                api_version,
                                VkInstance                              instance,
                                VkPhysicalDevice                        physical_device,
                                VkDevice                                device,
                                const std::vector<std::string>&         enabled_device_extensions,
                                VkPhysicalDeviceType                    capture_device_type,
                                const VkPhysicalDeviceMemoryProperties& capture_memory_properties,
                                const VkPhysicalDeviceMemoryProperties& replay_memory_properties,
                                const Functions&                        functions) = 0;

    virtual void Destroy() = 0;

    virtual VkResult CreateBuffer(const VkBufferCreateInfo*    create_info,
                                  const VkAllocationCallbacks* allocation_callbacks,
                                  format::HandleId             capture_id,
                                  VkBuffer*                    buffer,
                                  ResourceData*                allocator_data) = 0;

    virtual void
    DestroyBuffer(VkBuffer buffer, const VkAllocationCallbacks* allocation_callbacks, ResourceData allocator_data) = 0;

    virtual VkResult CreateImage(const VkImageCreateInfo*     create_info,
                                 const VkAllocationCallbacks* allocation_callbacks,
                                 format::HandleId             capture_id,
                                 VkImage*                     image,
                                 ResourceData*                allocator_data) = 0;

    virtual void
    DestroyImage(VkImage image, const VkAllocationCallbacks* allocation_callbacks, ResourceData allocator_data) = 0;

    virtual VkResult CreateVideoSession(const VkVideoSessionCreateInfoKHR* create_info,
                                        const VkAllocationCallbacks*       allocation_callbacks,
                                        format::HandleId                   capture_id,
                                        VkVideoSessionKHR*                 session,
                                        std::vector<ResourceData>*         allocator_datas) = 0;

    virtual void DestroyVideoSession(VkVideoSessionKHR            session,
                                     const VkAllocationCallbacks* allocation_callbacks,
                                     std::vector<ResourceData>    allocator_datas) = 0;

    virtual void GetImageSubresourceLayout(VkImage                    image,
                                           const VkImageSubresource*  subresource,
                                           VkSubresourceLayout*       layout,
                                           const VkSubresourceLayout* original_layout,
                                           ResourceData               allocator_data) = 0;

    virtual VkResult AllocateMemory(const VkMemoryAllocateInfo*  allocate_info,
                                    const VkAllocationCallbacks* allocation_callbacks,
                                    format::HandleId             capture_id,
                                    VkDeviceMemory*              memory,
                                    MemoryData*                  allocator_data) = 0;

    virtual void
    FreeMemory(VkDeviceMemory memory, const VkAllocationCallbacks* allocation_callbacks, MemoryData allocator_data) = 0;

    virtual void GetDeviceMemoryCommitment(VkDeviceMemory memory,
                                           VkDeviceSize*  committed_memory_in_bytes,
                                           MemoryData     allocator_data) = 0;

    virtual VkResult BindBufferMemory(VkBuffer               buffer,
                                      VkDeviceMemory         memory,
                                      VkDeviceSize           memory_offset,
                                      ResourceData           allocator_buffer_data,
                                      MemoryData             allocator_memory_data,
                                      VkMemoryPropertyFlags* bind_memory_properties) = 0;

    virtual VkResult BindBufferMemory2(uint32_t                      bind_info_count,
                                       const VkBindBufferMemoryInfo* bind_infos,
                                       const ResourceData*           allocator_buffer_datas,
                                       const MemoryData*             allocator_memory_datas,
                                       VkMemoryPropertyFlags*        bind_memory_properties) = 0;

    virtual VkResult BindImageMemory(VkImage                image,
                                     VkDeviceMemory         memory,
                                     VkDeviceSize           memory_offset,
                                     ResourceData           allocator_image_data,
                                     MemoryData             allocator_memory_data,
                                     VkMemoryPropertyFlags* bind_memory_properties) = 0;

    virtual VkResult BindImageMemory2(uint32_t                     bind_info_count,
                                      const VkBindImageMemoryInfo* bind_infos,
                                      const ResourceData*          allocator_image_datas,
                                      const MemoryData*            allocator_memory_datas,
                                      VkMemoryPropertyFlags*       bind_memory_properties) = 0;

    virtual VkResult BindVideoSessionMemory(VkVideoSessionKHR                      video_session,
                                            uint32_t                               bind_info_count,
                                            const VkBindVideoSessionMemoryInfoKHR* bind_infos,
                                            const ResourceData*                    allocator_session_datas,
                                            const MemoryData*                      allocator_memory_datas,
                                            VkMemoryPropertyFlags*                 bind_memory_properties) = 0;

    virtual VkResult MapMemory(VkDeviceMemory   memory,
                               VkDeviceSize     offset,
                               VkDeviceSize     size,
                               VkMemoryMapFlags flags,
                               void**           data,
                               MemoryData       allocator_data) = 0;

    virtual void UnmapMemory(VkDeviceMemory memory, MemoryData allocator_data) = 0;

    virtual VkResult FlushMappedMemoryRanges(uint32_t                   memory_range_count,
                                             const VkMappedMemoryRange* memory_ranges,
                                             const MemoryData*          allocator_datas) = 0;

    virtual VkResult InvalidateMappedMemoryRanges(uint32_t                   memory_range_count,
                                                  const VkMappedMemoryRange* memory_ranges,
                                                  const MemoryData*          allocator_datas) = 0;

    // Offset is relative to the start of the pointer returned by vkMapMemory.
    virtual VkResult
    WriteMappedMemoryRange(MemoryData allocator_data, uint64_t offset, uint64_t size, const uint8_t* data) = 0;

    virtual void ReportAllocateMemoryIncompatibility(const VkMemoryAllocateInfo* allocate_info) = 0;

    virtual void ReportBindBufferIncompatibility(VkBuffer     buffer,
                                                 ResourceData allocator_resource_data,
                                                 MemoryData   allocator_memory_data) = 0;

    virtual void ReportBindBuffer2Incompatibility(uint32_t                      bind_info_count,
                                                  const VkBindBufferMemoryInfo* bind_infos,
                                                  const ResourceData*           allocator_resource_datas,
                                                  const MemoryData*             allocator_memory_datas) = 0;

    virtual void ReportBindImageIncompatibility(VkImage      image,
                                                ResourceData allocator_resource_data,
                                                MemoryData   allocator_memory_data) = 0;

    virtual void ReportBindImage2Incompatibility(uint32_t                     bind_info_count,
                                                 const VkBindImageMemoryInfo* bind_infos,
                                                 const ResourceData*          allocator_resource_datas,
                                                 const MemoryData*            allocator_memory_datas) = 0;

    virtual void ReportBindVideoSessionIncompatibility(VkVideoSessionKHR                      video_session,
                                                       uint32_t                               bind_info_count,
                                                       const VkBindVideoSessionMemoryInfoKHR* bind_infos,
                                                       const ResourceData*                    allocator_resource_datas,
                                                       const MemoryData* allocator_memory_datas) = 0;

    // Direct allocation methods allocate memory and create resources without performing memory translation, while using
    // the replay memory type of the current allocator implementation.
    //
    // Replay allocates staging resources, which were not created during capture, for operations such as screenshot
    // creation and resource initialization during the initial state setup for trimmed files. Allocating staging
    // resources through the resource allocator allows the resource allocator to be aware of all memory allocations
    // performed for replay.
    virtual VkResult CreateBufferDirect(const VkBufferCreateInfo*    create_info,
                                        const VkAllocationCallbacks* allocation_callbacks,
                                        VkBuffer*                    buffer,
                                        ResourceData*                allocator_data) = 0;

    virtual void DestroyBufferDirect(VkBuffer                     buffer,
                                     const VkAllocationCallbacks* allocation_callbacks,
                                     ResourceData                 allocator_data) = 0;

    virtual VkResult CreateImageDirect(const VkImageCreateInfo*     create_info,
                                       const VkAllocationCallbacks* allocation_callbacks,
                                       VkImage*                     image,
                                       ResourceData*                allocator_data) = 0;

    virtual void DestroyImageDirect(VkImage                      image,
                                    const VkAllocationCallbacks* allocation_callbacks,
                                    ResourceData                 allocator_data) = 0;

    virtual VkResult AllocateMemoryDirect(const VkMemoryAllocateInfo*  allocate_info,
                                          const VkAllocationCallbacks* allocation_callbacks,
                                          VkDeviceMemory*              memory,
                                          MemoryData*                  allocator_data) = 0;

    virtual void FreeMemoryDirect(VkDeviceMemory               memory,
                                  const VkAllocationCallbacks* allocation_callbacks,
                                  MemoryData                   allocator_data) = 0;

    virtual VkResult BindBufferMemoryDirect(VkBuffer               buffer,
                                            VkDeviceMemory         memory,
                                            VkDeviceSize           memory_offset,
                                            ResourceData           allocator_buffer_data,
                                            MemoryData             allocator_memory_data,
                                            VkMemoryPropertyFlags* bind_memory_properties) = 0;

    virtual VkResult BindImageMemoryDirect(VkImage                image,
                                           VkDeviceMemory         memory,
                                           VkDeviceSize           memory_offset,
                                           ResourceData           allocator_image_data,
                                           MemoryData             allocator_memory_data,
                                           VkMemoryPropertyFlags* bind_memory_properties) = 0;

    // Map the memory that the buffer was bound to.  The returned pointer references the start of the buffer memory (it
    // is the start of the memory the resource was bound to plus the resource bind offset).
    virtual VkResult
    MapResourceMemoryDirect(VkDeviceSize size, VkMemoryMapFlags flags, void** data, ResourceData allocator_data) = 0;

    virtual void UnmapResourceMemoryDirect(ResourceData allocator_data) = 0;

    virtual VkResult FlushMappedMemoryRangesDirect(uint32_t                   memory_range_count,
                                                   const VkMappedMemoryRange* memory_ranges,
                                                   const MemoryData*          allocator_datas) = 0;

    virtual VkResult InvalidateMappedMemoryRangesDirect(uint32_t                   memory_range_count,
                                                        const VkMappedMemoryRange* memory_ranges,
                                                        const MemoryData*          allocator_datas) = 0;

    virtual bool SupportsOpaqueDeviceAddresses() = 0;
    virtual bool SupportBindVideoSessionMemory() = 0;
};

GFXRECON_END_NAMESPACE(decode)
GFXRECON_END_NAMESPACE(gfxrecon)

#endif // GFXRECON_DECODE_VULKAN_RESOURCE_ALLOCATOR_H
