/*
 * Copyright © 2015 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 "anv_private.h"
#include "wsi_common.h"
#include "vk_format_info.h"
#include "vk_util.h"

static PFN_vkVoidFunction
anv_wsi_proc_addr(VkPhysicalDevice physicalDevice, const char *pName)
{
   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
   return anv_lookup_entrypoint(&physical_device->info, pName);
}

static void
anv_wsi_signal_semaphore_for_memory(VkDevice _device,
                                    VkSemaphore _semaphore,
                                    VkDeviceMemory _memory)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   ANV_FROM_HANDLE(anv_semaphore, semaphore, _semaphore);
   ANV_FROM_HANDLE(anv_device_memory, memory, _memory);

   /* Put a BO semaphore with the image BO in the temporary.  For BO binary
    * semaphores, we always set EXEC_OBJECT_WRITE so this creates a WaR
    * hazard with the display engine's read to ensure that no one writes to
    * the image before the read is complete.
    */
   anv_semaphore_reset_temporary(device, semaphore);

   struct anv_semaphore_impl *impl = &semaphore->temporary;
   impl->type = ANV_SEMAPHORE_TYPE_WSI_BO;
   impl->bo = anv_bo_ref(memory->bo);
}

static void
anv_wsi_signal_fence_for_memory(VkDevice _device,
                                VkFence _fence,
                                VkDeviceMemory _memory)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   ANV_FROM_HANDLE(anv_fence, fence, _fence);
   ANV_FROM_HANDLE(anv_device_memory, memory, _memory);

   /* Put a BO fence with the image BO in the temporary.  For BO fences, we
    * always just wait until the BO isn't busy and reads from the BO should
    * count as busy.
    */
   anv_fence_reset_temporary(device, fence);

   struct anv_fence_impl *impl = &fence->temporary;
   impl->type = ANV_FENCE_TYPE_WSI_BO;
   impl->bo.bo = anv_bo_ref(memory->bo);
   impl->bo.state = ANV_BO_FENCE_STATE_SUBMITTED;
}

VkResult
anv_init_wsi(struct anv_physical_device *physical_device)
{
   VkResult result;

   result = wsi_device_init(&physical_device->wsi_device,
                            anv_physical_device_to_handle(physical_device),
                            anv_wsi_proc_addr,
                            &physical_device->instance->alloc,
                            physical_device->master_fd,
                            &physical_device->instance->dri_options,
                            false);
   if (result != VK_SUCCESS)
      return result;

   physical_device->wsi_device.supports_modifiers = true;
   physical_device->wsi_device.signal_semaphore_for_memory =
      anv_wsi_signal_semaphore_for_memory;
   physical_device->wsi_device.signal_fence_for_memory =
      anv_wsi_signal_fence_for_memory;

   return VK_SUCCESS;
}

void
anv_finish_wsi(struct anv_physical_device *physical_device)
{
   wsi_device_finish(&physical_device->wsi_device,
                     &physical_device->instance->alloc);
}

void anv_DestroySurfaceKHR(
    VkInstance                                   _instance,
    VkSurfaceKHR                                 _surface,
    const VkAllocationCallbacks*                 pAllocator)
{
   ANV_FROM_HANDLE(anv_instance, instance, _instance);
   ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);

   if (!surface)
      return;

   vk_free2(&instance->alloc, pAllocator, surface);
}

VkResult anv_GetPhysicalDeviceSurfaceSupportKHR(
    VkPhysicalDevice                            physicalDevice,
    uint32_t                                    queueFamilyIndex,
    VkSurfaceKHR                                surface,
    VkBool32*                                   pSupported)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_support(&device->wsi_device,
                                         queueFamilyIndex,
                                         surface,
                                         pSupported);
}

VkResult anv_GetPhysicalDeviceSurfaceCapabilitiesKHR(
    VkPhysicalDevice                            physicalDevice,
    VkSurfaceKHR                                surface,
    VkSurfaceCapabilitiesKHR*                   pSurfaceCapabilities)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_capabilities(&device->wsi_device,
                                              surface,
                                              pSurfaceCapabilities);
}

VkResult anv_GetPhysicalDeviceSurfaceCapabilities2KHR(
    VkPhysicalDevice                            physicalDevice,
    const VkPhysicalDeviceSurfaceInfo2KHR*      pSurfaceInfo,
    VkSurfaceCapabilities2KHR*                  pSurfaceCapabilities)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_capabilities2(&device->wsi_device,
                                               pSurfaceInfo,
                                               pSurfaceCapabilities);
}

VkResult anv_GetPhysicalDeviceSurfaceCapabilities2EXT(
 	VkPhysicalDevice                            physicalDevice,
	VkSurfaceKHR                                surface,
	VkSurfaceCapabilities2EXT*                  pSurfaceCapabilities)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_capabilities2ext(&device->wsi_device,
                                                  surface,
                                                  pSurfaceCapabilities);
}

VkResult anv_GetPhysicalDeviceSurfaceFormatsKHR(
    VkPhysicalDevice                            physicalDevice,
    VkSurfaceKHR                                surface,
    uint32_t*                                   pSurfaceFormatCount,
    VkSurfaceFormatKHR*                         pSurfaceFormats)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_formats(&device->wsi_device, surface,
                                         pSurfaceFormatCount, pSurfaceFormats);
}

VkResult anv_GetPhysicalDeviceSurfaceFormats2KHR(
    VkPhysicalDevice                            physicalDevice,
    const VkPhysicalDeviceSurfaceInfo2KHR*      pSurfaceInfo,
    uint32_t*                                   pSurfaceFormatCount,
    VkSurfaceFormat2KHR*                        pSurfaceFormats)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_formats2(&device->wsi_device, pSurfaceInfo,
                                          pSurfaceFormatCount, pSurfaceFormats);
}

VkResult anv_GetPhysicalDeviceSurfacePresentModesKHR(
    VkPhysicalDevice                            physicalDevice,
    VkSurfaceKHR                                surface,
    uint32_t*                                   pPresentModeCount,
    VkPresentModeKHR*                           pPresentModes)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_surface_present_modes(&device->wsi_device, surface,
                                               pPresentModeCount,
                                               pPresentModes);
}

VkResult anv_CreateSwapchainKHR(
    VkDevice                                     _device,
    const VkSwapchainCreateInfoKHR*              pCreateInfo,
    const VkAllocationCallbacks*                 pAllocator,
    VkSwapchainKHR*                              pSwapchain)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   struct wsi_device *wsi_device = &device->physical->wsi_device;
   const VkAllocationCallbacks *alloc;

   if (pAllocator)
     alloc = pAllocator;
   else
     alloc = &device->vk.alloc;

   return wsi_common_create_swapchain(wsi_device, _device,
                                      pCreateInfo, alloc, pSwapchain);
}

void anv_DestroySwapchainKHR(
    VkDevice                                     _device,
    VkSwapchainKHR                               swapchain,
    const VkAllocationCallbacks*                 pAllocator)
{
   ANV_FROM_HANDLE(anv_device, device, _device);
   const VkAllocationCallbacks *alloc;

   if (pAllocator)
     alloc = pAllocator;
   else
     alloc = &device->vk.alloc;

   wsi_common_destroy_swapchain(_device, swapchain, alloc);
}

VkResult anv_GetSwapchainImagesKHR(
    VkDevice                                     device,
    VkSwapchainKHR                               swapchain,
    uint32_t*                                    pSwapchainImageCount,
    VkImage*                                     pSwapchainImages)
{
   return wsi_common_get_images(swapchain,
                                pSwapchainImageCount,
                                pSwapchainImages);
}

VkResult anv_AcquireNextImageKHR(
    VkDevice                                     device,
    VkSwapchainKHR                               swapchain,
    uint64_t                                     timeout,
    VkSemaphore                                  semaphore,
    VkFence                                      fence,
    uint32_t*                                    pImageIndex)
{
   VkAcquireNextImageInfoKHR acquire_info = {
      .sType = VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHR,
      .swapchain = swapchain,
      .timeout = timeout,
      .semaphore = semaphore,
      .fence = fence,
      .deviceMask = 0,
   };

   return anv_AcquireNextImage2KHR(device, &acquire_info, pImageIndex);
}

VkResult anv_AcquireNextImage2KHR(
    VkDevice                                     _device,
    const VkAcquireNextImageInfoKHR*             pAcquireInfo,
    uint32_t*                                    pImageIndex)
{
   ANV_FROM_HANDLE(anv_device, device, _device);

   return wsi_common_acquire_next_image2(&device->physical->wsi_device,
                                         _device, pAcquireInfo, pImageIndex);
}

VkResult anv_QueuePresentKHR(
    VkQueue                                  _queue,
    const VkPresentInfoKHR*                  pPresentInfo)
{
   ANV_FROM_HANDLE(anv_queue, queue, _queue);
   struct anv_device *device = queue->device;

   if (device->debug_frame_desc) {
      device->debug_frame_desc->frame_id++;
      if (!device->info.has_llc) {
         gen_clflush_range(device->debug_frame_desc,
                           sizeof(*device->debug_frame_desc));
      }
   }

   return wsi_common_queue_present(&queue->device->physical->wsi_device,
                                   anv_device_to_handle(queue->device),
                                   _queue, 0,
                                   pPresentInfo);
}

VkResult anv_GetDeviceGroupPresentCapabilitiesKHR(
    VkDevice                                    device,
    VkDeviceGroupPresentCapabilitiesKHR*        pCapabilities)
{
   memset(pCapabilities->presentMask, 0,
          sizeof(pCapabilities->presentMask));
   pCapabilities->presentMask[0] = 0x1;
   pCapabilities->modes = VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_BIT_KHR;

   return VK_SUCCESS;
}

VkResult anv_GetDeviceGroupSurfacePresentModesKHR(
    VkDevice                                    device,
    VkSurfaceKHR                                surface,
    VkDeviceGroupPresentModeFlagsKHR*           pModes)
{
   *pModes = VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_BIT_KHR;

   return VK_SUCCESS;
}

VkResult anv_GetPhysicalDevicePresentRectanglesKHR(
    VkPhysicalDevice                            physicalDevice,
    VkSurfaceKHR                                surface,
    uint32_t*                                   pRectCount,
    VkRect2D*                                   pRects)
{
   ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);

   return wsi_common_get_present_rectangles(&device->wsi_device,
                                            surface,
                                            pRectCount, pRects);
}