/*
 * Copyright © 2020 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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.
 */

#include "vk_device.h"

#include "vk_common_entrypoints.h"
#include "vk_instance.h"
#include "vk_physical_device.h"
#include "util/hash_table.h"
#include "util/ralloc.h"

VkResult
vk_device_init(struct vk_device *device,
               struct vk_physical_device *physical_device,
               const struct vk_device_dispatch_table *dispatch_table,
               const VkDeviceCreateInfo *pCreateInfo,
               const VkAllocationCallbacks *alloc)
{
   memset(device, 0, sizeof(*device));
   vk_object_base_init(device, &device->base, VK_OBJECT_TYPE_DEVICE);
   if (alloc != NULL)
      device->alloc = *alloc;
   else
      device->alloc = physical_device->instance->alloc;

   device->physical = physical_device;

   device->dispatch_table = *dispatch_table;

   /* Add common entrypoints without overwriting driver-provided ones. */
   vk_device_dispatch_table_from_entrypoints(
      &device->dispatch_table, &vk_common_device_entrypoints, false);

   for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
      int idx;
      for (idx = 0; idx < VK_DEVICE_EXTENSION_COUNT; idx++) {
         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
                    vk_device_extensions[idx].extensionName) == 0)
            break;
      }

      if (idx >= VK_DEVICE_EXTENSION_COUNT)
         return VK_ERROR_EXTENSION_NOT_PRESENT;

      if (!physical_device->supported_extensions.extensions[idx])
         return VK_ERROR_EXTENSION_NOT_PRESENT;

#ifdef ANDROID
      if (!vk_android_allowed_device_extensions.extensions[idx])
         return VK_ERROR_EXTENSION_NOT_PRESENT;
#endif

      device->enabled_extensions.extensions[idx] = true;
   }

   p_atomic_set(&device->private_data_next_index, 0);

#ifdef ANDROID
   mtx_init(&device->swapchain_private_mtx, mtx_plain);
   device->swapchain_private = NULL;
#endif /* ANDROID */

   return VK_SUCCESS;
}

void
vk_device_finish(UNUSED struct vk_device *device)
{
#ifdef ANDROID
   if (device->swapchain_private) {
      hash_table_foreach(device->swapchain_private, entry)
         util_sparse_array_finish(entry->data);
      ralloc_free(device->swapchain_private);
   }
#endif /* ANDROID */

   vk_object_base_finish(&device->base);
}

PFN_vkVoidFunction
vk_device_get_proc_addr(const struct vk_device *device,
                        const char *name)
{
   if (device == NULL || name == NULL)
      return NULL;

   struct vk_instance *instance = device->physical->instance;
   return vk_device_dispatch_table_get_if_supported(&device->dispatch_table,
                                                    name,
                                                    instance->app_info.api_version,
                                                    &instance->enabled_extensions,
                                                    &device->enabled_extensions);
}

VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vk_common_GetDeviceProcAddr(VkDevice _device,
                            const char *pName)
{
   VK_FROM_HANDLE(vk_device, device, _device);
   return vk_device_get_proc_addr(device, pName);
}

VKAPI_ATTR void VKAPI_CALL
vk_common_GetDeviceQueue(VkDevice _device,
                         uint32_t queueFamilyIndex,
                         uint32_t queueIndex,
                         VkQueue *pQueue)
{
   VK_FROM_HANDLE(vk_device, device, _device);

   const VkDeviceQueueInfo2 info = {
      .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_INFO_2,
      .pNext = NULL,
      /* flags = 0 because (Vulkan spec 1.2.170 - vkGetDeviceQueue):
       *
       *    "vkGetDeviceQueue must only be used to get queues that were
       *     created with the flags parameter of VkDeviceQueueCreateInfo set
       *     to zero. To get queues that were created with a non-zero flags
       *     parameter use vkGetDeviceQueue2."
       */
      .flags = 0,
      .queueFamilyIndex = queueFamilyIndex,
      .queueIndex = queueIndex,
   };

   device->dispatch_table.GetDeviceQueue2(_device, &info, pQueue);
}

VKAPI_ATTR void VKAPI_CALL
vk_common_GetBufferMemoryRequirements(VkDevice _device,
                                      VkBuffer buffer,
                                      VkMemoryRequirements *pMemoryRequirements)
{
   VK_FROM_HANDLE(vk_device, device, _device);

   VkBufferMemoryRequirementsInfo2 info = {
      .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2,
      .buffer = buffer,
   };
   VkMemoryRequirements2 reqs = {
      .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
   };
   device->dispatch_table.GetBufferMemoryRequirements2(_device, &info, &reqs);

   *pMemoryRequirements = reqs.memoryRequirements;
}

VKAPI_ATTR VkResult VKAPI_CALL
vk_common_BindBufferMemory(VkDevice _device,
                           VkBuffer buffer,
                           VkDeviceMemory memory,
                           VkDeviceSize memoryOffset)
{
   VK_FROM_HANDLE(vk_device, device, _device);

   VkBindBufferMemoryInfo bind = {
      .sType         = VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO,
      .buffer        = buffer,
      .memory        = memory,
      .memoryOffset  = memoryOffset,
   };

   return device->dispatch_table.BindBufferMemory2(_device, 1, &bind);
}

VKAPI_ATTR void VKAPI_CALL
vk_common_GetImageMemoryRequirements(VkDevice _device,
                                     VkImage image,
                                     VkMemoryRequirements *pMemoryRequirements)
{
   VK_FROM_HANDLE(vk_device, device, _device);

   VkImageMemoryRequirementsInfo2 info = {
      .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2,
      .image = image,
   };
   VkMemoryRequirements2 reqs = {
      .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
   };
   device->dispatch_table.GetImageMemoryRequirements2(_device, &info, &reqs);

   *pMemoryRequirements = reqs.memoryRequirements;
}

VKAPI_ATTR VkResult VKAPI_CALL
vk_common_BindImageMemory(VkDevice _device,
                          VkImage image,
                          VkDeviceMemory memory,
                          VkDeviceSize memoryOffset)
{
   VK_FROM_HANDLE(vk_device, device, _device);

   VkBindImageMemoryInfo bind = {
      .sType         = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO,
      .image         = image,
      .memory        = memory,
      .memoryOffset  = memoryOffset,
   };

   return device->dispatch_table.BindImageMemory2(_device, 1, &bind);
}