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hook StretchDIBits

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This commit is contained in:
FunkyFr3sh 2022-10-05 22:33:53 +02:00
parent 31a71c463c
commit 80bf433a2b
5 changed files with 91 additions and 2 deletions
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2
src/hook.c
View file

@ -42,6 +42,7 @@ MAPWINDOWPOINTSPROC real_MapWindowPoints = MapWindowPoints;
SHOWWINDOWPROC real_ShowWindow = ShowWindow;
STRETCHBLTPROC real_StretchBlt = StretchBlt;
SETDIBITSTODEVICEPROC real_SetDIBitsToDevice = SetDIBitsToDevice;
STRETCHDIBITSPROC real_StretchDIBits = StretchDIBits;
SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
@ -86,6 +87,7 @@ static HOOKLIST g_hooks[] =
{
{ "StretchBlt", (PROC)fake_StretchBlt, (PROC*)&real_StretchBlt, SKIP_HOOK2 | SKIP_HOOK3 },
{ "SetDIBitsToDevice", (PROC)fake_SetDIBitsToDevice, (PROC*)&real_SetDIBitsToDevice, SKIP_HOOK2 | SKIP_HOOK3 },
{ "StretchDIBits", (PROC)fake_StretchDIBits, (PROC*)&real_StretchDIBits, SKIP_HOOK2 | SKIP_HOOK3 },
{ "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps, SKIP_HOOK3 },
{ "", NULL, NULL, 0 }
}

4
src/render_gdi.c
View file

@ -110,7 +110,7 @@ DWORD WINAPI gdi_render_main(void)
}
else if (upscale_hack)
{
StretchDIBits(
real_StretchDIBits(
g_ddraw->render.hdc,
g_ddraw->render.viewport.x,
g_ddraw->render.viewport.y,
@ -128,7 +128,7 @@ DWORD WINAPI gdi_render_main(void)
else if (!g_ddraw->child_window_exists &&
(g_ddraw->render.width != g_ddraw->width || g_ddraw->render.height != g_ddraw->height))
{
StretchDIBits(
real_StretchDIBits(
g_ddraw->render.hdc,
g_ddraw->render.viewport.x,
g_ddraw->render.viewport.y,

82
src/winapi_hooks.c
View file

@ -647,6 +647,88 @@ int WINAPI fake_SetDIBitsToDevice(
return real_SetDIBitsToDevice(hdc, xDest, yDest, w, h, xSrc, ySrc, StartScan, cLines, lpvBits, lpbmi, ColorUse);
}
int WINAPI fake_StretchDIBits(
HDC hdc,
int xDest,
int yDest,
int DestWidth,
int DestHeight,
int xSrc,
int ySrc,
int SrcWidth,
int SrcHeight,
const VOID* lpBits,
const BITMAPINFO* lpbmi,
UINT iUsage,
DWORD rop)
{
if (g_ddraw && WindowFromDC(hdc) == g_ddraw->hwnd)
{
if (g_ddraw->primary && (g_ddraw->primary->bpp == 16 || g_ddraw->primary->bpp == 32 || g_ddraw->primary->palette))
{
HDC primary_dc;
dds_GetDC(g_ddraw->primary, &primary_dc);
if (primary_dc)
{
int result =
real_StretchDIBits(
primary_dc,
xDest,
yDest,
DestWidth,
DestHeight,
xSrc,
ySrc,
SrcWidth,
SrcHeight,
lpBits,
lpbmi,
iUsage,
rop);
dds_ReleaseDC(g_ddraw->primary, primary_dc);
return result;
}
}
else if (g_ddraw->width > 0)
{
return
real_StretchDIBits(
hdc,
xDest + g_ddraw->render.viewport.x,
yDest + g_ddraw->render.viewport.y,
(int)(DestWidth * g_ddraw->render.scale_w),
(int)(DestHeight * g_ddraw->render.scale_h),
xSrc,
ySrc,
SrcWidth,
SrcHeight,
lpBits,
lpbmi,
iUsage,
rop);
}
}
return
real_StretchDIBits(
hdc,
xDest,
yDest,
DestWidth,
DestHeight,
xSrc,
ySrc,
SrcWidth,
SrcHeight,
lpBits,
lpbmi,
iUsage,
rop);
}
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName)
{
HMODULE hmod = real_LoadLibraryA(lpLibFileName);