lucent/cocco-ddraw
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add some memcpy tweaks, not sure if it actually helps

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This commit is contained in:
FunkyFr3sh 2018-11-29 01:39:03 +01:00
parent 6d337393ee
commit 093486ec7f
2 changed files with 10 additions and 4 deletions

2
src/render_d3d9.c
View file

@ -351,7 +351,7 @@ DWORD WINAPI render_d3d9_main(void)
int i;
for (i = 0; i < ddraw->height; i++)
{
memcpy(dst, src, ddraw->width * ddraw->primary->lXPitch);
memcpy(dst, src, ddraw->primary->lPitch);
src += ddraw->primary->lPitch;
dst += lock_rc.Pitch;

12
src/surface.c
View file

@ -184,10 +184,12 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
row1[x] = color;
}
unsigned int widthInBytes = dst_w * This->lXPitch;
for (i = 1; i < dst_h; i++)
{
dst += This->lPitch;
memcpy(dst, firstRow, dst_w * This->lXPitch);
memcpy(dst, firstRow, widthInBytes);
}
}
@ -257,10 +259,12 @@ 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 int widthInBytes = width * This->lXPitch;
int i;
for (i = 0; i < height; i++)
{
memcpy(dst, src, width * This->lXPitch);
memcpy(dst, src, widthInBytes);
src += Source->lPitch;
dst += This->lPitch;
@ -561,10 +565,12 @@ HRESULT __stdcall ddraw_surface_BltFast(IDirectDrawSurfaceImpl *This, DWORD dst_
unsigned char *dst =
(unsigned char *)This->surface + (dst_x * This->lXPitch) + (This->lPitch * dst_y);
unsigned int widthInBytes = dst_w * This->lXPitch;
int i;
for (i = 0; i < dst_h; i++)
{
memcpy(dst, src, dst_w * This->lXPitch);
memcpy(dst, src, widthInBytes);
src += Source->lPitch;
dst += This->lPitch;