// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include <map>

#include "Common/Logging/LogManager.h"
#include "VideoCommon/DriverDetails.h"

namespace DriverDetails
{
struct BugInfo
{
  u32 m_os;               // Which OS has the issue
  Vendor m_vendor;        // Which vendor has the error
  Driver m_driver;        // Which driver has the error
  Family m_family;        // Which family of hardware has the issue
  Bug m_bug;              // Which bug it is
  double m_versionstart;  // When it started
  double m_versionend;    // When it ended
  bool m_hasbug;          // Does it have it?
};

// Local members
#ifdef _WIN32
const u32 m_os = OS_ALL | OS_WINDOWS;
#elif ANDROID
const u32 m_os = OS_ALL | OS_ANDROID;
#elif __APPLE__
const u32 m_os = OS_ALL | OS_OSX;
#elif __linux__
const u32 m_os = OS_ALL | OS_LINUX;
#elif __FreeBSD__
const u32 m_os = OS_ALL | OS_FREEBSD;
#elif __OpenBSD__
const u32 m_os = OS_ALL | OS_OPENBSD;
#endif

static Vendor m_vendor = VENDOR_UNKNOWN;
static Driver m_driver = DRIVER_UNKNOWN;
static Family m_family = Family::UNKNOWN;
static double m_version = 0.0;

// This is a list of all known bugs for each vendor
// We use this to check if the device and driver has a issue
static BugInfo m_known_bugs[] = {
    {OS_ALL, VENDOR_QUALCOMM, DRIVER_QUALCOMM, Family::UNKNOWN, BUG_BROKENBUFFERSTREAM, -1.0, -1.0,
     true},
    {OS_ALL, VENDOR_QUALCOMM, DRIVER_QUALCOMM, Family::UNKNOWN, BUG_BROKENNEGATEDBOOLEAN, -1.0,
     -1.0, true},
    {OS_ALL, VENDOR_QUALCOMM, DRIVER_QUALCOMM, Family::UNKNOWN, BUG_BROKENEXPLICITFLUSH, -1.0, -1.0,
     true},
    {OS_ALL, VENDOR_ARM, DRIVER_ARM, Family::UNKNOWN, BUG_BROKENBUFFERSTREAM, -1.0, -1.0, true},
    {OS_ALL, VENDOR_ARM, DRIVER_ARM, Family::UNKNOWN, BUG_BROKENVSYNC, -1.0, -1.0, true},
    {OS_ALL, VENDOR_IMGTEC, DRIVER_IMGTEC, Family::UNKNOWN, BUG_BROKENBUFFERSTREAM, -1.0, -1.0,
     true},
    {OS_ALL, VENDOR_MESA, DRIVER_NOUVEAU, Family::UNKNOWN, BUG_BROKENUBO, 900, 916, true},
    {OS_ALL, VENDOR_MESA, DRIVER_R600, Family::UNKNOWN, BUG_BROKENUBO, 900, 913, true},
    {OS_ALL, VENDOR_MESA, DRIVER_R600, Family::UNKNOWN, BUG_BROKENGEOMETRYSHADERS, -1.0, 1112.0,
     true},
    {OS_ALL, VENDOR_MESA, DRIVER_I965, Family::INTEL_SANDY, BUG_BROKENGEOMETRYSHADERS, -1.0, 1120.0,
     true},
    {OS_ALL, VENDOR_MESA, DRIVER_I965, Family::UNKNOWN, BUG_BROKENUBO, 900, 920, true},
    {OS_ALL, VENDOR_MESA, DRIVER_ALL, Family::UNKNOWN, BUG_BROKENCOPYIMAGE, -1.0, 1064.0, true},
    {OS_LINUX, VENDOR_ATI, DRIVER_ATI, Family::UNKNOWN, BUG_BROKENPINNEDMEMORY, -1.0, -1.0, true},
    {OS_LINUX, VENDOR_NVIDIA, DRIVER_NVIDIA, Family::UNKNOWN, BUG_BROKENBUFFERSTORAGE, -1.0,
     33138.0, true},
    {OS_OSX, VENDOR_INTEL, DRIVER_INTEL, Family::INTEL_SANDY, BUG_PRIMITIVERESTART, -1.0, -1.0,
     true},
    {OS_WINDOWS, VENDOR_NVIDIA, DRIVER_NVIDIA, Family::UNKNOWN, BUG_BROKENUNSYNCMAPPING, -1.0, -1.0,
     true},
    {OS_LINUX, VENDOR_NVIDIA, DRIVER_NVIDIA, Family::UNKNOWN, BUG_BROKENUNSYNCMAPPING, -1.0, -1.0,
     true},
    {OS_WINDOWS, VENDOR_INTEL, DRIVER_INTEL, Family::UNKNOWN, BUG_INTELBROKENBUFFERSTORAGE,
     101810.3907, 101810.3960, true},
    {OS_ALL, VENDOR_ATI, DRIVER_ATI, Family::UNKNOWN, BUG_SLOWGETBUFFERSUBDATA, -1.0, -1.0, true},
    {OS_ALL, VENDOR_MESA, DRIVER_I965, Family::UNKNOWN, BUG_BROKENCLIPDISTANCE, -1.0, -1.0, true},
};

static std::map<Bug, BugInfo> m_bugs;

void Init(Vendor vendor, Driver driver, const double version, const Family family)
{
  m_vendor = vendor;
  m_driver = driver;
  m_version = version;
  m_family = family;

  if (driver == DRIVER_UNKNOWN)
    switch (vendor)
    {
    case VENDOR_NVIDIA:
    case VENDOR_TEGRA:
      m_driver = DRIVER_NVIDIA;
      break;
    case VENDOR_ATI:
      m_driver = DRIVER_ATI;
      break;
    case VENDOR_INTEL:
      m_driver = DRIVER_INTEL;
      break;
    case VENDOR_IMGTEC:
      m_driver = DRIVER_IMGTEC;
      break;
    case VENDOR_VIVANTE:
      m_driver = DRIVER_VIVANTE;
      break;
    default:
      break;
    }

  for (auto& bug : m_known_bugs)
  {
    if ((bug.m_os & m_os) && (bug.m_vendor == m_vendor || bug.m_vendor == VENDOR_ALL) &&
        (bug.m_driver == m_driver || bug.m_driver == DRIVER_ALL) &&
        (bug.m_family == m_family || bug.m_family == Family::UNKNOWN) &&
        (bug.m_versionstart <= m_version || bug.m_versionstart == -1) &&
        (bug.m_versionend > m_version || bug.m_versionend == -1))
      m_bugs.emplace(bug.m_bug, bug);
  }
}

bool HasBug(Bug bug)
{
  auto it = m_bugs.find(bug);
  if (it == m_bugs.end())
    return false;
  return it->second.m_hasbug;
}
}