mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-11-14 08:07:37 +01:00
264 lines
6.4 KiB
C
264 lines
6.4 KiB
C
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#include <windows.h>
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#include <dxgi.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "hook/com-proxy.h"
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#include "hook/table.h"
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#include "hooklib/config.h"
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#include "hooklib/dll.h"
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#include "hooklib/gfx/gfx.h"
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#include "util/dprintf.h"
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typedef HRESULT (WINAPI *CreateDXGIFactory_t)(REFIID riid, void **factory);
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typedef HRESULT (WINAPI *CreateDXGIFactory1_t)(REFIID riid, void **factory);
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static HRESULT STDMETHODCALLTYPE my_IDXGIFactory_CreateSwapChain(
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IDXGIFactory *self,
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IUnknown *device,
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DXGI_SWAP_CHAIN_DESC *desc,
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IDXGISwapChain **swapchain);
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static HRESULT STDMETHODCALLTYPE my_IDXGIFactory1_CreateSwapChain(
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IDXGIFactory1 *self,
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IUnknown *device,
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DXGI_SWAP_CHAIN_DESC *desc,
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IDXGISwapChain **swapchain);
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static struct gfx_config gfx_config;
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static CreateDXGIFactory_t next_CreateDXGIFactory;
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static CreateDXGIFactory1_t next_CreateDXGIFactory1;
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static const struct hook_symbol dxgi_hooks[] = {
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{
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.name = "CreateDXGIFactory",
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.patch = CreateDXGIFactory,
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.link = (void **) &next_CreateDXGIFactory,
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}, {
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.name = "CreateDXGIFactory1",
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.patch = CreateDXGIFactory1,
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.link = (void **) &next_CreateDXGIFactory1,
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},
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};
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void gfx_dxgi_hook_init(const struct gfx_config *cfg, HINSTANCE self)
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{
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HMODULE dxgi;
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assert(cfg != NULL);
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if (!cfg->enable) {
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return;
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}
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memcpy(&gfx_config, cfg, sizeof(*cfg));
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hook_table_apply(NULL, "dxgi.dll", dxgi_hooks, _countof(dxgi_hooks));
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if (next_CreateDXGIFactory == NULL || next_CreateDXGIFactory1 == NULL) {
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dxgi = LoadLibraryW(L"dxgi.dll");
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if (dxgi == NULL) {
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dprintf("DXGI: dxgi.dll not found or failed initialization\n");
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goto fail;
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}
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if (next_CreateDXGIFactory == NULL) {
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next_CreateDXGIFactory = (CreateDXGIFactory_t) GetProcAddress(
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dxgi,
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"CreateDXGIFactory");
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}
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if (next_CreateDXGIFactory1 == NULL) {
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next_CreateDXGIFactory1 = (CreateDXGIFactory1_t) GetProcAddress(
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dxgi,
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"CreateDXGIFactory1");
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}
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if (next_CreateDXGIFactory == NULL) {
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dprintf("DXGI: CreateDXGIFactory not found in loaded dxgi.dll\n");
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goto fail;
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}
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if (next_CreateDXGIFactory1 == NULL) {
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dprintf("DXGI: CreateDXGIFactory1 not found in loaded dxgi.dll\n");
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goto fail;
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}
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}
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if (self != NULL) {
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dll_hook_push(self, L"dxgi.dll");
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}
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return;
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fail:
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if (dxgi != NULL) {
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FreeLibrary(dxgi);
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}
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}
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HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
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{
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struct com_proxy *proxy;
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IDXGIFactoryVtbl *vtbl;
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IDXGIFactory *api;
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HRESULT hr;
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dprintf("DXGI: CreateDXGIFactory hook hit\n");
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api = NULL;
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hr = next_CreateDXGIFactory(riid, factory);
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if (FAILED(hr)) {
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dprintf("DXGI: CreateDXGIFactory returned %x\n", (int) hr);
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goto fail;
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}
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if (memcmp(riid, &IID_IDXGIFactory, sizeof(*riid)) == 0) {
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api = *factory;
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hr = com_proxy_wrap(&proxy, api, sizeof(*api->lpVtbl));
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if (FAILED(hr)) {
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dprintf("DXGI: com_proxy_wrap returned %x\n", (int) hr);
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goto fail;
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}
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vtbl = proxy->vptr;
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vtbl->CreateSwapChain = my_IDXGIFactory_CreateSwapChain;
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*factory = proxy;
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}
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return hr;
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fail:
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if (api != NULL) {
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IDXGIFactory_Release(api);
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}
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return hr;
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}
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HRESULT WINAPI CreateDXGIFactory1(REFIID riid, void **factory)
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{
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struct com_proxy *proxy;
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IDXGIFactory1 *api;
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IDXGIFactory1Vtbl *vtbl;
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HRESULT hr;
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dprintf("DXGI: CreateDXGIFactory1 hook hit\n");
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api = NULL;
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hr = next_CreateDXGIFactory1(riid, factory);
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if (FAILED(hr)) {
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dprintf("DXGI: CreateDXGIFactory1 returned %x\n", (int) hr);
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goto fail;
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}
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if (memcmp(riid, &IID_IDXGIFactory1, sizeof(*riid)) == 0) {
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api = *factory;
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hr = com_proxy_wrap(&proxy, api, sizeof(*api->lpVtbl));
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if (FAILED(hr)) {
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dprintf("DXGI: com_proxy_wrap returned %x\n", (int) hr);
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goto fail;
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}
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vtbl = proxy->vptr;
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vtbl->CreateSwapChain = my_IDXGIFactory1_CreateSwapChain;
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*factory = proxy;
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}
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return hr;
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fail:
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if (api != NULL) {
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IDXGIFactory1_Release(api);
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}
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return hr;
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}
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static HRESULT STDMETHODCALLTYPE my_IDXGIFactory_CreateSwapChain(
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IDXGIFactory *self,
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IUnknown *device,
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DXGI_SWAP_CHAIN_DESC *desc,
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IDXGISwapChain **swapchain)
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{
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struct com_proxy *proxy;
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IDXGIFactory *real;
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HWND hwnd;
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LONG width;
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LONG height;
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dprintf("DXGI: IDXGIFactory::CreateSwapChain hook hit\n");
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proxy = com_proxy_downcast(self);
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real = proxy->real;
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if (desc != NULL) {
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desc->Windowed = gfx_config.windowed;
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hwnd = desc->OutputWindow;
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width = desc->BufferDesc.Width;
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height = desc->BufferDesc.Height;
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} else {
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hwnd = NULL;
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width = 0;
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height = 0;
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}
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if (hwnd != NULL) {
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/*
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* Ensure window is maximized to avoid a Windows 10 issue where a
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* fullscreen swap chain is not created because the window is minimized
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* at the time of creation.
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*/
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ShowWindow(hwnd, SW_RESTORE);
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if (!gfx_config.framed && width > 0 && height > 0) {
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dprintf("DXGI: Resizing window to %ldx%ld\n", width, height);
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SetWindowLongPtrW(hwnd, GWL_STYLE, WS_POPUP);
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SetWindowLongPtrW(hwnd, GWL_EXSTYLE, WS_EX_TOPMOST);
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SetWindowPos(
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hwnd,
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HWND_TOP,
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0,
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0,
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width,
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height,
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SWP_FRAMECHANGED | SWP_NOSENDCHANGING);
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ShowWindow(hwnd, SW_SHOWMAXIMIZED);
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}
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}
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return IDXGIFactory_CreateSwapChain(real, device, desc, swapchain);
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}
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static HRESULT STDMETHODCALLTYPE my_IDXGIFactory1_CreateSwapChain(
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IDXGIFactory1 *self,
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IUnknown *device,
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DXGI_SWAP_CHAIN_DESC *desc,
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IDXGISwapChain **swapchain)
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{
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dprintf("DXGI: IDXGIFactory1::CreateSwapChain hook forwarding to my_IDXGIFactory_CreateSwapChain\n");
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return my_IDXGIFactory_CreateSwapChain(
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(IDXGIFactory *) self,
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device,
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desc,
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swapchain);
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}
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