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path: root/src/frygon/vulkan/fgvk_buffer.c
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/*
 * Copyright © 2025 Lucas Francisco Fryzek
 * SPDX-License-Identifier: MIT
 */
#include "fgvk_buffer.h"

#include "fgvk_device.h"
#include "fgvk_device_memory.h"

VKAPI_ATTR VkResult VKAPI_CALL
fgvk_CreateBuffer(VkDevice device,
                  const VkBufferCreateInfo *pCreateInfo,
                  const VkAllocationCallbacks *pAllocator,
                  VkBuffer *pBuffer)
{
   VK_FROM_HANDLE(fgvk_device, dev, device);
   struct fgvk_buffer *buffer;

   buffer = vk_buffer_create(&dev->vk, pCreateInfo, pAllocator,
                             sizeof(*buffer));

   if (!buffer)
      return vk_error(dev, VK_ERROR_OUT_OF_HOST_MEMORY);

   *pBuffer = fgvk_buffer_to_handle(buffer);

   return VK_SUCCESS;
}

VKAPI_ATTR void VKAPI_CALL
fgvk_DestroyBuffer(VkDevice device,
                   VkBuffer _buffer,
                   const VkAllocationCallbacks *pAllocator)
{
   VK_FROM_HANDLE(fgvk_device, dev, device);
   VK_FROM_HANDLE(fgvk_buffer, buffer, _buffer);

   if (!buffer)
      return;

   vk_buffer_destroy(&dev->vk, pAllocator, &buffer->vk);
}

VKAPI_ATTR void VKAPI_CALL
fgvk_GetDeviceBufferMemoryRequirements(
   VkDevice device,
   const VkDeviceBufferMemoryRequirements *pInfo,
   VkMemoryRequirements2 *pMemoryRequirements)
{
   pMemoryRequirements->memoryRequirements = (VkMemoryRequirements) {
      .size = align64(pInfo->pCreateInfo->size, 8),
      .alignment = 8,
      .memoryTypeBits = 1,
   };
}

static VkResult
fgvk_bind_buffer_memory(struct fgvk_device *dev,
                        const VkBindBufferMemoryInfo *info)
{
   VK_FROM_HANDLE(fgvk_device_memory, mem, info->memory);
   VK_FROM_HANDLE(fgvk_buffer, buffer, info->buffer);
   VkResult result = VK_SUCCESS;

   return result;
}

VKAPI_ATTR VkResult VKAPI_CALL
fgvk_BindBufferMemory2(VkDevice device,
                       uint32_t bindInfoCount,
                       const VkBindBufferMemoryInfo *pBindInfos)
{
   VK_FROM_HANDLE(fgvk_device, dev, device);
   VkResult first_error_or_success = VK_SUCCESS;

   for (uint32_t i = 0; i < bindInfoCount; ++i) {
      VkResult result = fgvk_bind_buffer_memory(dev, &pBindInfos[i]);

      const VkBindMemoryStatusKHR *status =
         vk_find_struct_const(pBindInfos[i].pNext, BIND_MEMORY_STATUS_KHR);
      if (status != NULL && status->pResult != NULL)
         *status->pResult = result;

      if (first_error_or_success == VK_SUCCESS)
         first_error_or_success = result;
   }

   return first_error_or_success;
}