/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Null GL platform.
 *//*--------------------------------------------------------------------*/

#include "tcuNullPlatform.hpp"
#include "tcuNullContextFactory.hpp"
#include "tcuNullRenderContext.hpp"
#include "egluNativeDisplay.hpp"
#include "eglwLibrary.hpp"
#include "eglwEnums.hpp"
#include "vkNullDriver.hpp"

namespace tcu
{
namespace null
{

class NullEGLDisplay : public eglu::NativeDisplay
{
public:
    NullEGLDisplay(void) : eglu::NativeDisplay(CAPABILITY_GET_DISPLAY_LEGACY)
    {
        // \note All functions in library are null
    }

    const eglw::Library &getLibrary(void) const
    {
        return m_library;
    }

    eglw::EGLNativeDisplayType getLegacyNative(void)
    {
        return EGL_DEFAULT_DISPLAY;
    }

private:
    eglw::FuncPtrLibrary m_library;
};

class NullEGLDisplayFactory : public eglu::NativeDisplayFactory
{
public:
    NullEGLDisplayFactory(void)
        : eglu::NativeDisplayFactory("null", "Null EGL Display", eglu::NativeDisplay::CAPABILITY_GET_DISPLAY_LEGACY)
    {
    }

    eglu::NativeDisplay *createDisplay(const eglw::EGLAttrib *) const
    {
        return new NullEGLDisplay();
    }
};

Platform::Platform(void)
{
    m_contextFactoryRegistry.registerFactory(new NullGLContextFactory());
    m_nativeDisplayFactoryRegistry.registerFactory(new NullEGLDisplayFactory());
}

Platform::~Platform(void)
{
}

vk::Library *Platform::createLibrary(vk::Platform::LibraryType, const char *libraryPath) const
{
    DE_UNREF(libraryPath);
    return vk::createNullDriver();
}

void Platform::getMemoryLimits(tcu::PlatformMemoryLimits &limits) const
{
    limits.totalSystemMemory                 = 256 * 1024 * 1024;
    limits.totalDeviceLocalMemory            = 0;
    limits.deviceMemoryAllocationGranularity = 4096;
    limits.devicePageSize                    = 4096;
    limits.devicePageTableEntrySize          = 8;
    limits.devicePageTableHierarchyLevels    = 3;
}

} // namespace null
} // namespace tcu

tcu::Platform *createPlatform(void)
{
    return new tcu::null::Platform();
}