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Take RGB mask into account when doing color keying. 

Add corresponding conformance test.
This commit is contained in:
Christian Costa 2005-08-17 09:52:56 +00:00 committed by Alexandre Julliard
parent 4fd3f40952
commit 244762bbcc
2 changed files with 73 additions and 4 deletions
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9
dlls/ddraw/surface_dib.c
View File

@ -819,7 +819,7 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
}
} else {
LONG dstyinc = ddesc.u1.lPitch, dstxinc = bpp;
DWORD keylow = 0, keyhigh = 0;
DWORD keylow = 0, keyhigh = 0, keymask = 0;
if (dwFlags & (DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE)) {
if (dwFlags & DDBLT_KEYSRC) {
@ -835,7 +835,8 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
keylow = lpbltfx->ddckDestColorkey.dwColorSpaceLowValue;
keyhigh = lpbltfx->ddckDestColorkey.dwColorSpaceHighValue;
}
dwFlags &= ~(DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE);
keymask = sdesc.u4.ddpfPixelFormat.u2.dwRBitMask | sdesc.u4.ddpfPixelFormat.u3.dwGBitMask | sdesc.u4.ddpfPixelFormat.u4.dwBBitMask;
dwFlags &= ~(DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE);
}
if (dwFlags & DDBLT_DDFX) {
@ -919,7 +920,7 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
dx = d; \
for (x = sx = 0; x < dstwidth; x++, sx += xinc) { \
tmp = s[sx >> 16]; \
if (tmp < keylow || tmp > keyhigh) dx[0] = tmp; \
if ((tmp & keymask) < keylow || (tmp & keymask) > keyhigh) dx[0] = tmp; \
dx = (type*)(((LPBYTE)dx)+dstxinc); \
} \
d = (type*)(((LPBYTE)d)+dstyinc); \
@ -938,7 +939,7 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
DWORD pixel;
s = sbuf+3*(sx>>16);
pixel = s[0]|(s[1]<<8)|(s[2]<<16);
if (pixel < keylow || pixel > keyhigh){
if ((pixel & keymask) < keylow || (pixel & keymask) > keyhigh) {
dx[0] = (pixel )&0xff;
dx[1] = (pixel>> 8)&0xff;
dx[2] = (pixel>>16)&0xff;

68
dlls/ddraw/tests/dsurface.c
View File

@ -2,6 +2,7 @@
* Unit tests for (a few) ddraw surface functions
*
* Copyright (C) 2005 Antoine Chavasse (a.chavasse@gmail.com)
* Copyright (C) 2005 Christian Costa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -153,10 +154,77 @@ static void MipMapCreationTest(void)
IDirectDrawSurface_Release(lpDDSMipMapTest);
}
static void SrcColorKey32BlitTest(void)
{
LPDIRECTDRAWSURFACE lpSrc;
LPDIRECTDRAWSURFACE lpDst;
DDSURFACEDESC ddsd;
DDSURFACEDESC ddsd2;
LPDWORD lpData;
HRESULT rc;
ddsd2.dwSize = sizeof(ddsd2);
ddsd2.ddpfPixelFormat.dwSize = sizeof(ddsd2.ddpfPixelFormat);
ddsd.dwSize = sizeof(ddsd);
ddsd.ddpfPixelFormat.dwSize = sizeof(ddsd.ddpfPixelFormat);
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = 800;
ddsd.dwHeight = 600;
ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
U1(ddsd.ddpfPixelFormat).dwRGBBitCount = 32;
U2(ddsd.ddpfPixelFormat).dwRBitMask = 0xFF0000;
U3(ddsd.ddpfPixelFormat).dwGBitMask = 0x00FF00;
U4(ddsd.ddpfPixelFormat).dwBBitMask = 0x0000FF;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpDst, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
ddsd.dwFlags |= DDSD_CKSRCBLT;
ddsd.ddckCKSrcBlt.dwColorSpaceLowValue = 0xFF00FF;
ddsd.ddckCKSrcBlt.dwColorSpaceHighValue = 0xFF00FF;
rc = IDirectDraw_CreateSurface(lpDD, &ddsd, &lpSrc, NULL);
ok(rc==DD_OK,"CreateSurface returned: %lx\n",rc);
rc = IDirectDrawSurface_Lock(lpDst, NULL, &ddsd2, DDLOCK_WAIT, NULL);
ok(rc==DD_OK,"Lock returned: %lx\n",rc);
lpData = (LPDWORD)ddsd2.lpSurface;
lpData[0] = 0xCCCCCCCC;
lpData[1] = 0xCCCCCCCC;
lpData[2] = 0xCCCCCCCC;
lpData[3] = 0xCCCCCCCC;
rc = IDirectDrawSurface_Unlock(lpDst, NULL);
ok(rc==DD_OK,"Unlock returned: %lx\n",rc);
rc = IDirectDrawSurface_Lock(lpSrc, NULL, &ddsd2, DDLOCK_WAIT, NULL);
ok(rc==DD_OK,"Lock returned: %lx\n",rc);
lpData = (LPDWORD)ddsd2.lpSurface;
lpData[0] = 0x77010203;
lpData[1] = 0x00010203;
lpData[2] = 0x77FF00FF;
lpData[3] = 0x00FF00FF;
rc = IDirectDrawSurface_Unlock(lpSrc, NULL);
ok(rc==DD_OK,"Unlock returned: %lx\n",rc);
IDirectDrawSurface_Blt(lpDst, NULL, lpSrc, NULL, DDBLT_KEYSRC, NULL);
rc = IDirectDrawSurface_Lock(lpDst, NULL, &ddsd2, DDLOCK_WAIT, NULL);
ok(rc==DD_OK,"Lock returned: %lx\n",rc);
lpData = (LPDWORD)ddsd2.lpSurface;
ok((lpData[0]==0x77010203)&&(lpData[1]==0x00010203)&&(lpData[2]==0xCCCCCCCC)&&(lpData[3]==0xCCCCCCCC),
"Destination data after blitting is not correct\n");
rc = IDirectDrawSurface_Unlock(lpDst, NULL);
ok(rc==DD_OK,"Unlock returned: %lx\n",rc);
IDirectDrawSurface_Release(lpSrc);
IDirectDrawSurface_Release(lpDst);
}
START_TEST(dsurface)
{
CreateDirectDraw();
MipMapCreationTest();
SrcColorKey32BlitTest();
ReleaseDirectDraw();
}