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DirectDraw code now falls back to backbuffer in system memory if it can't allocate backbuffer in video memory.

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This commit is contained in:
SarahW 2017-06-07 17:56:32 +01:00
commit 8aa5c86386
2 changed files with 24 additions and 3 deletions
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9
src/win-ddraw-fs.cc
View file

@ -72,7 +72,14 @@ void ddraw_fs_init(HWND h)
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back, NULL)))
fatal("CreateSurface back failed\n");
{
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth = 2048;
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back, NULL)))
fatal("CreateSurface back failed\n");
}
pclog("DDRAW_INIT complete\n");
ddraw_hwnd = h;

18
src/win-ddraw.cc
View file

@ -59,7 +59,14 @@ void ddraw_init(HWND h)
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back, NULL)))
fatal("CreateSurface back failed\n");
{
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth = 2048;
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back, NULL)))
fatal("CreateSurface back failed\n");
}
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
@ -69,7 +76,14 @@ void ddraw_init(HWND h)
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back2, NULL)))
fatal("CreateSurface back failed\n");
{
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.dwWidth = 2048;
ddsd.dwHeight = 2048;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
if (FAILED(lpdd4->CreateSurface(&ddsd, &lpdds_back2, NULL)))
fatal("CreateSurface back failed\n");
}
if (FAILED(lpdd4->CreateClipper(0, &lpdd_clipper, NULL)))
fatal("CreateClipper failed\n");