/*
 * Copyright (C) 2008 Stefan Dösinger(for CodeWeavers)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

/* This file contains tests specific to IDirect3D9Ex and IDirect3DDevice9Ex, like
 * how to obtain them. For testing rendering with extended functions use visual.c
 */

#define COBJMACROS
#include <initguid.h>
#include <d3d9.h>
#include "wine/test.h"

static HMODULE d3d9_handle = 0;

static IDirect3D9 * (WINAPI *pDirect3DCreate9)(UINT SDKVersion);
static HRESULT (WINAPI *pDirect3DCreate9Ex)(UINT SDKVersion, IDirect3D9Ex **d3d9ex);

static HWND create_window(void)
{
    WNDCLASS wc = {0};
    HWND ret;
    wc.lpfnWndProc = DefWindowProc;
    wc.lpszClassName = "d3d9_test_wc";
    RegisterClass(&wc);

    ret = CreateWindow("d3d9_test_wc", "d3d9_test",
                        WS_MAXIMIZE | WS_VISIBLE | WS_CAPTION , 0, 0, 640, 480, 0, 0, 0, 0);
    return ret;
}

static ULONG getref(IUnknown *obj) {
    IUnknown_AddRef(obj);
    return IUnknown_Release(obj);
}

static void test_qi_base_to_ex(void)
{
    IDirect3D9 *d3d9 = pDirect3DCreate9(D3D_SDK_VERSION);
    IDirect3D9Ex *d3d9ex = (void *) 0xdeadbeef;
    IDirect3DDevice9 *device;
    IDirect3DDevice9Ex *deviceEx = (void *) 0xdeadbeef;
    HRESULT hr;
    HWND window = create_window();
    D3DPRESENT_PARAMETERS present_parameters;

    if (!d3d9)
    {
        skip("Direct3D9 is not available\n");
        return;
    }

    hr = IDirect3D9_QueryInterface(d3d9, &IID_IDirect3D9Ex, (void **) &d3d9ex);
    ok(hr == E_NOINTERFACE,
       "IDirect3D9::QueryInterface for IID_IDirect3D9Ex returned %08x, expected E_NOINTERFACE\n",
       hr);
    ok(d3d9ex == NULL, "QueryInterface returned interface %p, expected NULL\n", d3d9ex);
    if(d3d9ex) IDirect3D9Ex_Release(d3d9ex);

    memset(&present_parameters, 0, sizeof(present_parameters));
    present_parameters.Windowed = TRUE;
    present_parameters.hDeviceWindow = window;
    present_parameters.SwapEffect = D3DSWAPEFFECT_COPY;
    present_parameters.BackBufferWidth = 640;
    present_parameters.BackBufferHeight = 480;
    present_parameters.EnableAutoDepthStencil = FALSE;
    present_parameters.AutoDepthStencilFormat = D3DFMT_D16;
    hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, present_parameters.hDeviceWindow, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &present_parameters, &device);
    if(FAILED(hr)) {
        skip("Failed to create a regular Direct3DDevice9, skipping QI tests\n");
        goto out;
    }

    hr = IDirect3DDevice9_QueryInterface(device, &IID_IDirect3DDevice9Ex, (void **) &deviceEx);
    ok(hr == E_NOINTERFACE,
       "IDirect3D9Device::QueryInterface for IID_IDirect3DDevice9Ex returned %08x, expected E_NOINTERFACE\n",
       hr);
    ok(deviceEx == NULL, "QueryInterface returned interface %p, expected NULL\n", deviceEx);
    if(deviceEx) IDirect3DDevice9Ex_Release(deviceEx);

    IDirect3DDevice9_Release(device);

out:
    IDirect3D9_Release(d3d9);
    DestroyWindow(window);
}

static void test_qi_ex_to_base(void)
{
    IDirect3D9 *d3d9 = (void *) 0xdeadbeef;
    IDirect3D9Ex *d3d9ex;
    IDirect3DDevice9 *device;
    IDirect3DDevice9Ex *deviceEx = (void *) 0xdeadbeef;
    HRESULT hr;
    HWND window = create_window();
    D3DPRESENT_PARAMETERS present_parameters;
    ULONG ref;

    hr = pDirect3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
    ok(hr == D3D_OK || hr == D3DERR_NOTAVAILABLE, "Direct3DCreate9Ex returned %08x\n", hr);
    if(FAILED(hr)) {
        skip("Direct3D9Ex is not available\n");
        goto out;
    }

    hr = IDirect3D9Ex_QueryInterface(d3d9ex, &IID_IDirect3D9, (void **) &d3d9);
    ok(hr == D3D_OK,
       "IDirect3D9Ex::QueryInterface for IID_IDirect3D9 returned %08x, expected D3D_OK\n",
       hr);
    ok(d3d9 != NULL && d3d9 != (void *) 0xdeadbeef,
       "QueryInterface returned interface %p, expected != NULL && != 0xdeadbeef\n", d3d9);
    ref = getref((IUnknown *) d3d9ex);
    ok(ref == 2, "IDirect3D9Ex refcount is %d, expected 2\n", ref);
    ref = getref((IUnknown *) d3d9);
    ok(ref == 2, "IDirect3D9 refcount is %d, expected 2\n", ref);

    memset(&present_parameters, 0, sizeof(present_parameters));
    present_parameters.Windowed = TRUE;
    present_parameters.hDeviceWindow = window;
    present_parameters.SwapEffect = D3DSWAPEFFECT_COPY;
    present_parameters.BackBufferWidth = 640;
    present_parameters.BackBufferHeight = 480;
    present_parameters.EnableAutoDepthStencil = FALSE;
    present_parameters.AutoDepthStencilFormat = D3DFMT_D16;

    /* First, try to create a normal device with IDirect3D9Ex::CreateDevice and QI it for IDirect3DDevice9Ex */
    hr = IDirect3D9Ex_CreateDevice(d3d9ex, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, present_parameters.hDeviceWindow, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &present_parameters, &device);
    if(FAILED(hr)) {
        skip("Failed to create a regular Direct3DDevice9, skipping QI tests\n");
        goto out;
    }

    hr = IDirect3DDevice9_QueryInterface(device, &IID_IDirect3DDevice9Ex, (void **) &deviceEx);
    ok(hr == D3D_OK,
       "IDirect3D9Device::QueryInterface for IID_IDirect3DDevice9Ex returned %08x, expected D3D_OK\n",
       hr);
    ok(deviceEx != NULL && deviceEx != (void *) 0xdeadbeef,
       "QueryInterface returned interface %p, expected != NULL && != 0xdeadbeef\n", deviceEx);
    ref = getref((IUnknown *) device);
    ok(ref == 2, "IDirect3DDevice9 refcount is %d, expected 2\n", ref);
    ref = getref((IUnknown *) deviceEx);
    ok(ref == 2, "IDirect3DDevice9Ex refcount is %d, expected 2\n", ref);
    if(deviceEx) IDirect3DDevice9Ex_Release(deviceEx);
    IDirect3DDevice9_Release(device);

    /* Next, try to create a normal device with IDirect3D9::CreateDevice(non-ex) and QI it */
    hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, present_parameters.hDeviceWindow, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &present_parameters, &device);
    if(FAILED(hr)) {
        skip("Failed to create a regular Direct3DDevice9, skipping QI tests\n");
        goto out;
    }

    hr = IDirect3DDevice9_QueryInterface(device, &IID_IDirect3DDevice9Ex, (void **) &deviceEx);
    ok(hr == D3D_OK,
       "IDirect3D9Device::QueryInterface for IID_IDirect3DDevice9Ex returned %08x, expected D3D_OK\n",
       hr);
    ok(deviceEx != NULL && deviceEx != (void *) 0xdeadbeef,
       "QueryInterface returned interface %p, expected != NULL && != 0xdeadbeef\n", deviceEx);
    ref = getref((IUnknown *) device);
    ok(ref == 2, "IDirect3DDevice9 refcount is %d, expected 2\n", ref);
    ref = getref((IUnknown *) deviceEx);
    ok(ref == 2, "IDirect3DDevice9Ex refcount is %d, expected 2\n", ref);
    if(deviceEx) IDirect3DDevice9Ex_Release(deviceEx);
    IDirect3DDevice9_Release(device);

    IDirect3D9_Release(d3d9);
    IDirect3D9Ex_Release(d3d9ex);

out:
    DestroyWindow(window);
}

START_TEST(d3d9ex)
{
    d3d9_handle = LoadLibraryA("d3d9.dll");
    if (!d3d9_handle)
    {
        skip("Could not load d3d9.dll\n");
        return;
    }
    pDirect3DCreate9 = (void *)GetProcAddress(d3d9_handle, "Direct3DCreate9");
    ok(pDirect3DCreate9 != NULL, "Failed to get address of Direct3DCreate9\n");
    if(!pDirect3DCreate9) {
        return;
    }

    pDirect3DCreate9Ex = (void *)GetProcAddress(d3d9_handle, "Direct3DCreate9Ex");
    if (!pDirect3DCreate9Ex) {
        win_skip("Failed to get address of Direct3DCreate9Ex\n");
        return;
    }

    test_qi_base_to_ex();
    test_qi_ex_to_base();
}