forked from Dniel97/segatools
hooklib/gfx.c: add dynamic DLL hook on d3d9.dll
- Somehow doing `dll_hook_push` on `d3d9.dll` fixes the path hooks for Ongeki's `mu3.exe`
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parent
7a51533194
commit
8607faea7f
@ -9,10 +9,13 @@
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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.h"
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#include "util/dprintf.h"
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typedef IDirect3D9 * (WINAPI *Direct3DCreate9_t)(UINT sdk_ver);
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static HRESULT STDMETHODCALLTYPE my_CreateDevice(
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IDirect3D9 *self,
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UINT adapter,
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@ -22,7 +25,7 @@ static HRESULT STDMETHODCALLTYPE my_CreateDevice(
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D3DPRESENT_PARAMETERS *pp,
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IDirect3DDevice9 **pdev);
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static IDirect3D9 * WINAPI my_Direct3DCreate9(UINT sdk_ver);
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static IDirect3D9 * (WINAPI *next_Direct3DCreate9)(UINT sdk_ver);
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static Direct3DCreate9_t next_Direct3DCreate9;
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static HRESULT gfx_frame_window(HWND hwnd);
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static struct gfx_config gfx_config;
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@ -37,6 +40,8 @@ static const struct hook_symbol gfx_hooks[] = {
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void gfx_hook_init(const struct gfx_config *cfg)
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{
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HMODULE d3d9;
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assert(cfg != NULL);
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if (!cfg->enable) {
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@ -45,6 +50,31 @@ void gfx_hook_init(const struct gfx_config *cfg)
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memcpy(&gfx_config, cfg, sizeof(*cfg));
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hook_table_apply(NULL, "d3d9.dll", gfx_hooks, _countof(gfx_hooks));
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if (next_Direct3DCreate9 == NULL) {
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d3d9 = LoadLibraryW(L"d3d9.dll");
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if (d3d9 == NULL) {
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dprintf("Gfx: d3d9.dll not found or failed initialization\n");
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goto fail;
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}
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next_Direct3DCreate9 = (Direct3DCreate9_t) GetProcAddress(d3d9, "Direct3DCreate9");
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if (next_Direct3DCreate9 == NULL) {
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dprintf("Gfx: Direct3DCreate9 not found in loaded d3d9.dll\n");
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FreeLibrary(d3d9);
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goto fail;
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}
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}
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dll_hook_push(NULL, L"d3d9.dll", gfx_hooks, _countof(gfx_hooks));
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fail:
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return;
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}
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static IDirect3D9 * WINAPI my_Direct3DCreate9(UINT sdk_ver)
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@ -56,6 +86,12 @@ static IDirect3D9 * WINAPI my_Direct3DCreate9(UINT sdk_ver)
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dprintf("Gfx: Direct3DCreate9 hook hit\n");
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if (next_Direct3DCreate9 == NULL) {
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dprintf("Gfx: next_Direct3DCreate9 == NULL\n");
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goto fail;
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}
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api = next_Direct3DCreate9(sdk_ver);
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if (api == NULL) {
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