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use memset for DDBLT_COLORFILL

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This commit is contained in:
FunkyFr3sh 2018-12-10 05:55:48 +01:00
parent 32fff11093
commit f41b2fc177
1 changed files with 25 additions and 10 deletions
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35
src/surface.c
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@ -166,30 +166,45 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
{
unsigned char *dst = (unsigned char *)This->surface + (dst_x * This->lXPitch) + (This->lPitch * dst_y);
unsigned char *firstRow = dst;
unsigned int dst_pitch = dst_w * This->lXPitch;
int x, i;
if (This->bpp == 8)
{
unsigned char color = (unsigned char)lpDDBltFx->dwFillColor;
for (x = 0; x < dst_w; x++)
firstRow[x] = color;
for (i = 0; i < dst_h; i++)
{
memset(dst, color, dst_pitch);
dst += This->lPitch;
}
}
else if (This->bpp == 16)
{
unsigned short *row1 = (unsigned short *)dst;
unsigned short color = (unsigned short)lpDDBltFx->dwFillColor;
for (x = 0; x < dst_w; x++)
row1[x] = color;
}
if ((color & 0xFF) == (color >> 8))
{
unsigned char c8 = (unsigned char)(color & 0xFF);
unsigned int widthInBytes = dst_w * This->lXPitch;
for (i = 0; i < dst_h; i++)
{
memset(dst, c8, dst_pitch);
dst += This->lPitch;
}
}
else
{
for (x = 0; x < dst_w; x++)
row1[x] = color;
for (i = 1; i < dst_h; i++)
{
dst += This->lPitch;
memcpy(dst, firstRow, widthInBytes);
for (i = 1; i < dst_h; i++)
{
dst += This->lPitch;
memcpy(dst, firstRow, dst_pitch);
}
}
}
}