Files
djhackersdev_bemanitools/src/main/ddrhook/gfx.c
T

90 lines
1.8 KiB
C

#include <d3d9.h>
#include <windows.h>
#include <stdbool.h>
#include "hook/com-proxy.h"
#include "hook/table.h"
#include "util/defs.h"
#include "util/log.h"
static HRESULT STDCALL my_CreateDevice(
IDirect3D9 *self,
UINT adapter,
D3DDEVTYPE type,
HWND hwnd,
DWORD flags,
D3DPRESENT_PARAMETERS *pp,
IDirect3DDevice9 **pdev);
static IDirect3D9 *STDCALL my_Direct3DCreate9(UINT sdk_ver);
static IDirect3D9 *(STDCALL *real_Direct3DCreate9)(UINT sdk_ver);
static bool gfx_windowed;
static const struct hook_symbol gfx_d3d9_hook_syms[] = {
{
.name = "Direct3DCreate9",
.patch = my_Direct3DCreate9,
.link = (void **) &real_Direct3DCreate9,
},
};
static HRESULT STDCALL my_CreateDevice(
IDirect3D9 *self,
UINT adapter,
D3DDEVTYPE type,
HWND hwnd,
DWORD flags,
D3DPRESENT_PARAMETERS *pp,
IDirect3DDevice9 **pdev)
{
IDirect3D9 *real;
real = COM_PROXY_UNWRAP(self);
if (gfx_windowed) {
pp->Windowed = TRUE;
pp->FullScreen_RefreshRateInHz = 0;
}
return IDirect3D9_CreateDevice(real, adapter, type, hwnd, flags, pp, pdev);
}
static IDirect3D9 *STDCALL my_Direct3DCreate9(UINT sdk_ver)
{
IDirect3D9 *api;
IDirect3D9Vtbl *api_vtbl;
struct com_proxy *api_proxy;
log_info("Direct3DCreate9 hook hit");
api = real_Direct3DCreate9(sdk_ver);
api_proxy = com_proxy_wrap(api, sizeof(*api->lpVtbl));
api_vtbl = api_proxy->vptr;
api_vtbl->CreateDevice = my_CreateDevice;
return (IDirect3D9 *) api_proxy;
}
void gfx_insert_hooks(HMODULE target)
{
hook_table_apply(
target, "d3d9.dll", gfx_d3d9_hook_syms, lengthof(gfx_d3d9_hook_syms));
log_info("Inserted graphics hooks");
}
bool gfx_get_windowed(void)
{
return gfx_windowed;
}
void gfx_set_windowed(void)
{
gfx_windowed = true;
}