void get_d3d9_offsets(struct d3d9_offsets *offsets)
{
d3d9_info info = {};
bool success = d3d9_init(info);
if (success) {
uint8_t **vt = *(uint8_t***)info.device;
uint8_t *crr = vt[125];
offsets->present = vtable_offset(info.module, info.device, 17);
offsets->present_ex = vtable_offset(info.module, info.device,
121);
offsets->present_swap = vtable_offset(info.module, info.swap,
3);
for (size_t i = 0; i < MAX_FUNC_SCAN_BYTES; i++) {
if (pattern_matches(&crr[i])) {
#define get_offset(x) *(uint32_t*)&crr[i + x]
#ifdef _WIN64
uint32_t off1 = get_offset(3);
uint32_t off2 = get_offset(9);
#else
uint32_t off1 = get_offset(2);
uint32_t off2 = get_offset(8);
#endif
/* check to make sure offsets are within
* expected values */
if (off1 > 0xFFFF || off2 > 0xFFFF)
break;
/* check to make sure offsets actually point
* toward expected data */
#ifdef _MSC_VER
__try {
uint8_t *ptr = (uint8_t*)(info.device);
uint8_t *d3d9_ptr =
*(uint8_t**)(ptr + off1);
if (d3d9_ptr != (uint8_t*)info.d3d9ex)
break;
BOOL &is_d3d9ex =
*(BOOL*)(d3d9_ptr + off2);
if (is_d3d9ex != TRUE)
break;
} __except(EXCEPTION_EXECUTE_HANDLER) {
break;
}
#endif
offsets->d3d9_clsoff = off1;
offsets->is_d3d9ex_clsoff = off2;
break;
}
}
}
void get_d3d9_offsets(struct d3d9_offsets *offsets)
{
d3d9_info info = {};
bool success = d3d9_init(info);
if (success) {
offsets->present = vtable_offset(info.module, info.device, 17);
offsets->present_ex = vtable_offset(info.module, info.device,
121);
offsets->present_swap = vtable_offset(info.module, info.swap,
3);
}
d3d9_free(info);
}
void get_d3d8_offsets(struct d3d8_offsets *offsets)
{
d3d8_info info = {};
bool success = d3d8_init(info);
if (success) {
offsets->present = vtable_offset(info.module, info.device, 15);
}
d3d8_free(info);
}
