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ddraw: Do not return modes differing only by refresh rate without DDEDM_REFRESHRATES.

This commit is contained in:
Alexander Dorofeyev 2008-05-29 01:13:00 +03:00 committed by Alexandre Julliard
parent bde1187488
commit 940ef7a9ff
1 changed files with 61 additions and 0 deletions
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61
dlls/ddraw/ddraw.c
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@ -1243,6 +1243,8 @@ IDirectDrawImpl_EnumDisplayModes(IDirectDraw7 *iface,
WINED3DFORMAT pixelformat = WINED3DFMT_UNKNOWN;
WINED3DDISPLAYMODE mode;
DDSURFACEDESC2 callback_sd;
WINED3DDISPLAYMODE *enum_modes = NULL;
unsigned enum_mode_count = 0, enum_mode_array_size = 0;
WINED3DFORMAT checkFormatList[] =
{
@ -1280,6 +1282,18 @@ IDirectDrawImpl_EnumDisplayModes(IDirectDraw7 *iface,
pixelformat = PixelFormat_DD2WineD3D(&DDSD->u4.ddpfPixelFormat);
}
if(!(Flags & DDEDM_REFRESHRATES))
{
enum_mode_array_size = 16;
enum_modes = HeapAlloc(GetProcessHeap(), 0, sizeof(WINED3DDISPLAYMODE) * enum_mode_array_size);
if (!enum_modes)
{
ERR("Out of memory\n");
LeaveCriticalSection(&ddraw_cs);
return DDERR_OUTOFMEMORY;
}
}
for(fmt = 0; fmt < (sizeof(checkFormatList) / sizeof(checkFormatList[0])); fmt++)
{
if(pixelformat != WINED3DFMT_UNKNOWN && checkFormatList[fmt] != pixelformat)
@ -1300,6 +1314,28 @@ IDirectDrawImpl_EnumDisplayModes(IDirectDraw7 *iface,
if(DDSD->dwFlags & DDSD_HEIGHT && mode.Height != DDSD->dwHeight) continue;
}
if(!(Flags & DDEDM_REFRESHRATES))
{
/* DX docs state EnumDisplayMode should return only unique modes. If DDEDM_REFRESHRATES is not set, refresh
* rate doesn't matter when determining if the mode is unique. So modes only differing in refresh rate have
* to be reduced to a single unique result in such case.
*/
BOOL found = FALSE;
unsigned i;
for (i = 0; i < enum_mode_count; i++)
{
if(enum_modes[i].Width == mode.Width && enum_modes[i].Height == mode.Height &&
enum_modes[i].Format == mode.Format)
{
found = TRUE;
break;
}
}
if(found) continue;
}
memset(&callback_sd, 0, sizeof(callback_sd));
callback_sd.dwSize = sizeof(callback_sd);
callback_sd.u4.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
@ -1326,13 +1362,38 @@ IDirectDrawImpl_EnumDisplayModes(IDirectDraw7 *iface,
if(cb(&callback_sd, Context) == DDENUMRET_CANCEL)
{
TRACE("Application asked to terminate the enumeration\n");
HeapFree(GetProcessHeap(), 0, enum_modes);
LeaveCriticalSection(&ddraw_cs);
return DD_OK;
}
if(!(Flags & DDEDM_REFRESHRATES))
{
if (enum_mode_count == enum_mode_array_size)
{
WINED3DDISPLAYMODE *new_enum_modes;
enum_mode_array_size *= 2;
new_enum_modes = HeapReAlloc(GetProcessHeap(), 0, enum_modes, sizeof(WINED3DDISPLAYMODE) * enum_mode_array_size);
if (!new_enum_modes)
{
ERR("Out of memory\n");
HeapFree(GetProcessHeap(), 0, enum_modes);
LeaveCriticalSection(&ddraw_cs);
return DDERR_OUTOFMEMORY;
}
enum_modes = new_enum_modes;
}
enum_modes[enum_mode_count++] = mode;
}
}
}
TRACE("End of enumeration\n");
HeapFree(GetProcessHeap(), 0, enum_modes);
LeaveCriticalSection(&ddraw_cs);
return DD_OK;
}