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partial support for DDBLTFAST_SRCCOLORKEY

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This commit is contained in:
FunkyFr3sh 2018-10-26 08:33:09 +02:00
parent 70492f6412
commit 2d1ab88f85
2 changed files with 57 additions and 16 deletions
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1
inc/surface.h
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@ -49,6 +49,7 @@ typedef struct IDirectDrawSurfaceImpl
PBITMAPINFO bmi;
HBITMAP bitmap;
HDC hDC;
DDCOLORKEY colorKey;
} IDirectDrawSurfaceImpl;

72
src/surface.c
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@ -175,7 +175,7 @@ HRESULT __stdcall ddraw_surface_BltBatch(IDirectDrawSurfaceImpl *This, LPDDBLTBA
return DD_OK;
}
HRESULT __stdcall ddraw_surface_BltFast(IDirectDrawSurfaceImpl *This, DWORD x, DWORD y, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD flags)
HRESULT __stdcall ddraw_surface_BltFast(IDirectDrawSurfaceImpl *This, DWORD dst_x, DWORD dst_y, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD flags)
{
IDirectDrawSurfaceImpl *Source = (IDirectDrawSurfaceImpl *)lpDDSrcSurface;
@ -183,24 +183,60 @@ HRESULT __stdcall ddraw_surface_BltFast(IDirectDrawSurfaceImpl *This, DWORD x, D
printf("IDirectDrawSurface::BltFast(This=%p, ...)\n", This);
#endif
if (flags & DDBLTFAST_NOCOLORKEY)
printf("IDirectDrawSurface::BltFast(This=%p, ...) ??? DDBLTFAST_NOCOLORKEY\n", This);
if (flags & DDBLTFAST_SRCCOLORKEY)
printf("IDirectDrawSurface::BltFast(This=%p, ...) ??? DDBLTFAST_SRCCOLORKEY\n", This);
if (flags & DDBLTFAST_DESTCOLORKEY)
printf("IDirectDrawSurface::BltFast(This=%p, ...) ??? DDBLTFAST_DESTCOLORKEY\n", This);
if (Source)
{
int x0 = 0, y0 = 0, x1 = Source->width, y1 = Source->height;
if (lpSrcRect)
if (flags & DDBLTFAST_SRCCOLORKEY)
{
x0 = max(x0, lpSrcRect->left);
x1 = min(x1, lpSrcRect->right);
y0 = max(y0, lpSrcRect->top);
y1 = min(y1, lpSrcRect->bottom);
}
unsigned char* to = (unsigned char *)This->surface + y*This->width + x;
unsigned char* from = (unsigned char *)Source->surface + y0*Source->width + x0;
int s = x1 - x0;
int src_w = lpSrcRect ? lpSrcRect->right - lpSrcRect->left : Source->width;
int src_h = lpSrcRect ? lpSrcRect->bottom - lpSrcRect->top : Source->height;
int src_x = lpSrcRect ? lpSrcRect->left : 0;
int src_y = lpSrcRect ? lpSrcRect->top : 0;
int y;
for (y = y0; y < y1; ++y, to += This->width, from += Source->width)
unsigned char* dstSurface = (unsigned char *)This->surface;
unsigned char* srcSurface = (unsigned char *)Source->surface;
for (int y1 = 0; y1 < src_h; y1++)
{
int ydst = This->width * (y1 + dst_y);
int ysrc = Source->width * (y1 + src_y);
for (int x1 = 0; x1 < src_w; x1++)
{
unsigned char index = srcSurface[x1 + src_x + ysrc];
if (index != Source->colorKey.dwColorSpaceLowValue)
dstSurface[x1 + dst_x + ydst] = index;
}
}
}
else
{
memcpy(to, from, s);
int x0 = 0, y0 = 0, x1 = Source->width, y1 = Source->height;
if (lpSrcRect)
{
x0 = max(x0, lpSrcRect->left);
x1 = min(x1, lpSrcRect->right);
y0 = max(y0, lpSrcRect->top);
y1 = min(y1, lpSrcRect->bottom);
}
unsigned char* to = (unsigned char *)This->surface + dst_y*This->width + dst_x;
unsigned char* from = (unsigned char *)Source->surface + y0*Source->width + x0;
int s = x1 - x0;
int y;
for (y = y0; y < y1; ++y, to += This->width, from += Source->width)
{
memcpy(to, from, s);
}
}
}
@ -320,7 +356,7 @@ HRESULT __stdcall ddraw_surface_GetClipper(IDirectDrawSurfaceImpl *This, LPDIREC
return DD_OK;
}
HRESULT __stdcall ddraw_surface_GetColorKey(IDirectDrawSurfaceImpl *This, DWORD a, LPDDCOLORKEY b)
HRESULT __stdcall ddraw_surface_GetColorKey(IDirectDrawSurfaceImpl *This, DWORD flags, LPDDCOLORKEY colorKey)
{
printf("IDirectDrawSurface::GetColorKey(This=%p, ...) ???\n", This);
return DD_OK;
@ -420,9 +456,13 @@ HRESULT __stdcall ddraw_surface_SetClipper(IDirectDrawSurfaceImpl *This, LPDIREC
return DD_OK;
}
HRESULT __stdcall ddraw_surface_SetColorKey(IDirectDrawSurfaceImpl *This, DWORD a, LPDDCOLORKEY b)
HRESULT __stdcall ddraw_surface_SetColorKey(IDirectDrawSurfaceImpl *This, DWORD flags, LPDDCOLORKEY colorKey)
{
printf("DirectDrawSurface::SetColorKey(This=%p, ...) ???\n", This);
This->colorKey.dwColorSpaceHighValue = colorKey->dwColorSpaceHighValue;
This->colorKey.dwColorSpaceLowValue = colorKey->dwColorSpaceLowValue;
return DD_OK;
}