/*
 * Copyright © 2017, Google 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 (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 "v3dv_private.h"

#include <vndk/hardware_buffer.h>
#include <hardware/hardware.h>
#include <hardware/hwvulkan.h>

#include <vulkan/vk_icd.h>

#include "vk_android.h"
#include "vk_enum_defines.h"

#include "util/libsync.h"
#include "util/log.h"
#include "util/os_file.h"
#include "util/u_gralloc/u_gralloc.h"

static int
v3dv_hal_open(const struct hw_module_t *mod,
              const char *id,
              struct hw_device_t **dev);
static int
v3dv_hal_close(struct hw_device_t *dev);

static_assert(HWVULKAN_DISPATCH_MAGIC == ICD_LOADER_MAGIC, "");

PUBLIC struct hwvulkan_module_t HAL_MODULE_INFO_SYM = {
   .common =
     {
       .tag = HARDWARE_MODULE_TAG,
       .module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
       .hal_api_version = HARDWARE_MAKE_API_VERSION(1, 0),
       .id = HWVULKAN_HARDWARE_MODULE_ID,
       .name = "Broadcom Vulkan HAL",
       .author = "Mesa3D",
       .methods =
         &(hw_module_methods_t) {
           .open = v3dv_hal_open,
         },
     },
};

static int
v3dv_hal_open(const struct hw_module_t *mod,
              const char *id,
              struct hw_device_t **dev)
{
   assert(mod == &HAL_MODULE_INFO_SYM.common);
   assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);

   hwvulkan_device_t *hal_dev = malloc(sizeof(*hal_dev));
   if (!hal_dev)
      return -1;

   *hal_dev = (hwvulkan_device_t){
      .common =
        {
          .tag = HARDWARE_DEVICE_TAG,
          .version = HWVULKAN_DEVICE_API_VERSION_0_1,
          .module = &HAL_MODULE_INFO_SYM.common,
          .close = v3dv_hal_close,
        },
     .EnumerateInstanceExtensionProperties =
        v3dv_EnumerateInstanceExtensionProperties,
     .CreateInstance = v3dv_CreateInstance,
     .GetInstanceProcAddr = v3dv_GetInstanceProcAddr,
   };

   mesa_logi("v3dv: Warning: Android Vulkan implementation is experimental");

   *dev = &hal_dev->common;
   return 0;
}

static int
v3dv_hal_close(struct hw_device_t *dev)
{
   /* hwvulkan.h claims that hw_device_t::close() is never called. */
   return -1;
}