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 * Copyright (C) 2006 Henri Verbeet
 * 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
 * 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
#include <d3d8.h>
#include "wine/test.h"

static HWND create_window(void)
    WNDCLASS wc = {0};
    wc.lpfnWndProc = DefWindowProc;
    wc.lpszClassName = "d3d8_test_wc";

    return CreateWindow("d3d8_test_wc", "d3d8_test",
            0, 0, 0, 0, 0, 0, 0, 0, 0);

static IDirect3DDevice8 *init_d3d8(HMODULE d3d8_handle)
    IDirect3D8 * (__stdcall * d3d8_create)(UINT SDKVersion) = 0;
    IDirect3D8 *d3d8_ptr = 0;
    IDirect3DDevice8 *device_ptr = 0;
    D3DPRESENT_PARAMETERS present_parameters;
    D3DDISPLAYMODE               d3ddm;
    HRESULT hr;

    d3d8_create = (void *)GetProcAddress(d3d8_handle, "Direct3DCreate8");
    ok(d3d8_create != NULL, "Failed to get address of Direct3DCreate8\n");
    if (!d3d8_create) return NULL;

    d3d8_ptr = d3d8_create(D3D_SDK_VERSION);
    if (!d3d8_ptr)
        skip("could not create D3D8\n");
        return NULL;

    IDirect3D8_GetAdapterDisplayMode(d3d8_ptr, D3DADAPTER_DEFAULT, &d3ddm );
    ZeroMemory(&present_parameters, sizeof(present_parameters));
    present_parameters.Windowed = TRUE;
    present_parameters.hDeviceWindow = create_window();
    present_parameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
    present_parameters.BackBufferFormat = d3ddm.Format;

    hr = IDirect3D8_CreateDevice(d3d8_ptr, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
            NULL, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &present_parameters, &device_ptr);

        skip("could not create device, IDirect3D8_CreateDevice returned %#x\n", hr);
        return NULL;

    return device_ptr;

static void test_texture_stage_state(IDirect3DDevice8 *device_ptr, DWORD stage, D3DTEXTURESTAGESTATETYPE type, DWORD expected)
    DWORD value;

    HRESULT hr = IDirect3DDevice8_GetTextureStageState(device_ptr, stage, type, &value);
    ok(SUCCEEDED(hr) && value == expected, "GetTextureStageState (stage %#x, type %#x) returned: hr %#x, value %#x. "
        "Expected hr %#x, value %#x\n", stage, type, hr, value, D3D_OK, expected);

/* Test the default texture stage state values */
static void test_texture_stage_states(IDirect3DDevice8 *device_ptr, int num_stages)
    int i;
    for (i = 0; i < num_stages; ++i)
        test_texture_stage_state(device_ptr, i, D3DTSS_COLOROP, i ? D3DTOP_DISABLE : D3DTOP_MODULATE);
        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG1, D3DTA_TEXTURE);
        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG2, D3DTA_CURRENT);
        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAOP, i ? D3DTOP_DISABLE : D3DTOP_SELECTARG1);
        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG2, D3DTA_CURRENT);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT00, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT01, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT10, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVMAT11, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_TEXCOORDINDEX, i);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVLSCALE, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_BUMPENVLOFFSET, 0);
        test_texture_stage_state(device_ptr, i, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_DISABLE);
        test_texture_stage_state(device_ptr, i, D3DTSS_COLORARG0, D3DTA_CURRENT);
        test_texture_stage_state(device_ptr, i, D3DTSS_ALPHAARG0, D3DTA_CURRENT);
        test_texture_stage_state(device_ptr, i, D3DTSS_RESULTARG, D3DTA_CURRENT);

static void test_cube_texture_from_pool(IDirect3DDevice8 *device_ptr, DWORD caps, D3DPOOL pool, BOOL need_cap)
    IDirect3DCubeTexture8 *texture_ptr = NULL;
    HRESULT hr;

    hr = IDirect3DDevice8_CreateCubeTexture(device_ptr, 512, 1, 0, D3DFMT_X8R8G8B8, pool, &texture_ptr);
    trace("pool=%d hr=0x%.8x\n", pool, hr);

    if((caps & D3DPTEXTURECAPS_CUBEMAP) || !need_cap)
        ok(SUCCEEDED(hr), "hr=0x%.8x\n", hr);
        ok(hr == D3DERR_INVALIDCALL, "hr=0x%.8x\n", hr);

    if(texture_ptr) IDirect3DCubeTexture8_Release(texture_ptr);

static void test_cube_textures(IDirect3DDevice8 *device_ptr, DWORD caps)
    trace("texture caps: 0x%.8x\n", caps);

    test_cube_texture_from_pool(device_ptr, caps, D3DPOOL_DEFAULT, TRUE);
    test_cube_texture_from_pool(device_ptr, caps, D3DPOOL_MANAGED, TRUE);
    test_cube_texture_from_pool(device_ptr, caps, D3DPOOL_SYSTEMMEM, TRUE);
    test_cube_texture_from_pool(device_ptr, caps, D3DPOOL_SCRATCH, FALSE);

    D3DCAPS8 caps;
    HMODULE d3d8_handle;
    IDirect3DDevice8 *device_ptr;
    ULONG refcount;

    d3d8_handle = LoadLibraryA("d3d8.dll");
    if (!d3d8_handle)
        skip("Could not load d3d8.dll\n");

    device_ptr = init_d3d8(d3d8_handle);
    if (!device_ptr) return;

    IDirect3DDevice8_GetDeviceCaps(device_ptr, &caps);

    test_texture_stage_states(device_ptr, caps.MaxTextureBlendStages);
    test_cube_textures(device_ptr, caps.TextureCaps);

    refcount = IDirect3DDevice8_Release(device_ptr);
    ok(!refcount, "Device has %u references left\n", refcount);

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