Sweden-Number/dlls/ddraw/tests/dsurface.c

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/*
* Unit tests for (a few) ddraw surface functions
*
* Copyright (C) 2005 Antoine Chavasse (a.chavasse@gmail.com)
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <assert.h>
#include "wine/test.h"
#include "ddraw.h"
static LPDIRECTDRAW lpDD = NULL;
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static void CreateDirectDraw(void)
{
HRESULT rc;
rc = DirectDrawCreate(NULL, &lpDD, NULL);
ok(rc==DD_OK,"DirectDrawCreate returned: %lx\n",rc);
rc = IDirectDraw_SetCooperativeLevel(lpDD, NULL, DDSCL_NORMAL);
ok(rc==DD_OK,"SetCooperativeLevel returned: %lx\n",rc);
}
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static void ReleaseDirectDraw(void)
{
if( lpDD != NULL )
{
IDirectDraw_Release(lpDD);
lpDD = NULL;
}
}
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static void MipMapCreationTest(void)
{
LPDIRECTDRAWSURFACE lpDDSMipMapTest;
DDSURFACEDESC ddsd;
HRESULT rc;
/* First mipmap creation test: create a surface with DDSCAPS_COMPLEX,
DDSCAPS_MIPMAP, and DDSD_MIPMAPCOUNT. This create the number of
requested mipmap levels. */
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_MIPMAPCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_COMPLEX | DDSCAPS_MIPMAP;
U2(ddsd).dwMipMapCount = 3;
ddsd.dwWidth = 128;
ddsd.dwHeight = 32;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpDDSMipMapTest, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
/* Check the number of created mipmaps */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
rc = IDirectDrawSurface_GetSurfaceDesc(lpDDSMipMapTest, &ddsd);
ok(rc==DD_OK,"GetSurfaceDesc returned: %lx\n",rc);
ok(ddsd.dwFlags & DDSD_MIPMAPCOUNT,
"GetSurfaceDesc returned no mipmapcount.\n");
ok(U2(ddsd).dwMipMapCount == 3, "Incorrect mipmap count: %ld.\n",
U2(ddsd).dwMipMapCount);
/* Destroy the surface. */
IDirectDrawSurface_Release(lpDDSMipMapTest);
/* Second mipmap creation test: create a surface without a mipmap
count, with DDSCAPS_MIPMAP and without DDSCAPS_COMPLEX.
This creates a single mipmap level. */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_MIPMAP;
ddsd.dwWidth = 128;
ddsd.dwHeight = 32;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpDDSMipMapTest, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
/* Check the number of created mipmaps */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
rc = IDirectDrawSurface_GetSurfaceDesc(lpDDSMipMapTest, &ddsd);
ok(rc==DD_OK,"GetSurfaceDesc returned: %lx\n",rc);
ok(ddsd.dwFlags & DDSD_MIPMAPCOUNT,
"GetSurfaceDesc returned no mipmapcount.\n");
ok(U2(ddsd).dwMipMapCount == 1, "Incorrect mipmap count: %ld.\n",
U2(ddsd).dwMipMapCount);
/* Third mipmap creation test: create a surface with DDSCAPS_MIPMAP,
DDSCAPS_COMPLEX and without DDSD_MIPMAPCOUNT.
It's an undocumented features where a chain of mipmaps, starting from
he specified size and down to the smallest size, is automatically
created.
Anarchy Online needs this feature to work. */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_COMPLEX | DDSCAPS_MIPMAP;
ddsd.dwWidth = 128;
ddsd.dwHeight = 32;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpDDSMipMapTest, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
/* Check the number of created mipmaps */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
rc = IDirectDrawSurface_GetSurfaceDesc(lpDDSMipMapTest, &ddsd);
ok(rc==DD_OK,"GetSurfaceDesc returned: %lx\n",rc);
ok(ddsd.dwFlags & DDSD_MIPMAPCOUNT,
"GetSurfaceDesc returned no mipmapcount.\n");
ok(U2(ddsd).dwMipMapCount == 6, "Incorrect mipmap count: %ld.\n",
U2(ddsd).dwMipMapCount);
/* Fourth mipmap creation test: same as above with a different texture
size.
The purpose is to verify that the number of generated mipmaps is
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dependent on the smallest dimension. */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_COMPLEX | DDSCAPS_MIPMAP;
ddsd.dwWidth = 32;
ddsd.dwHeight = 64;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpDDSMipMapTest, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
/* Check the number of created mipmaps */
memset(&ddsd, 0, sizeof(DDSURFACEDESC));
ddsd.dwSize = sizeof(ddsd);
rc = IDirectDrawSurface_GetSurfaceDesc(lpDDSMipMapTest, &ddsd);
ok(rc==DD_OK,"GetSurfaceDesc returned: %lx\n",rc);
ok(ddsd.dwFlags & DDSD_MIPMAPCOUNT,
"GetSurfaceDesc returned no mipmapcount.\n");
ok(U2(ddsd).dwMipMapCount == 6, "Incorrect mipmap count: %ld.\n",
U2(ddsd).dwMipMapCount);
/* Destroy the surface. */
IDirectDrawSurface_Release(lpDDSMipMapTest);
}
START_TEST(dsurface)
{
CreateDirectDraw();
MipMapCreationTest();
ReleaseDirectDraw();
}