refactor all common parts and games

common/gfxhook/d3d11.c

@@ -0,0 +1,195 @@
+#include <windows.h>
+#include <dxgi.h>
+#include <d3d11.h>
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include "gfxhook/d3d11.h"
+#include "gfxhook/gfx.h"
+#include "gfxhook/util.h"
+
+#include "hook/table.h"
+
+#include "hooklib/dll.h"
+
+#include "util/dprintf.h"
+
+typedef HRESULT (WINAPI *D3D11CreateDevice_t)(
+        IDXGIAdapter *pAdapter,
+        D3D_DRIVER_TYPE DriverType,
+        HMODULE Software,
+        UINT Flags,
+        const D3D_FEATURE_LEVEL *ppFeatureLevels,
+        UINT FeatureLevels,
+        UINT SDKVersion,
+        ID3D11Device **ppDevice,
+        D3D_FEATURE_LEVEL *pFeatureLevel,
+        ID3D11DeviceContext **ppImmediateContext);
+typedef HRESULT (WINAPI *D3D11CreateDeviceAndSwapChain_t)(
+        IDXGIAdapter *pAdapter,
+        D3D_DRIVER_TYPE DriverType,
+        HMODULE Software,
+        UINT Flags,
+        const D3D_FEATURE_LEVEL *ppFeatureLevels,
+        UINT FeatureLevels,
+        UINT SDKVersion,
+        const DXGI_SWAP_CHAIN_DESC *pSwapChainDesc,
+        IDXGISwapChain **ppSwapChain,
+        ID3D11Device **ppDevice,
+        D3D_FEATURE_LEVEL *pFeatureLevel,
+        ID3D11DeviceContext **ppImmediateContext);
+
+static struct gfx_config gfx_config;
+static D3D11CreateDevice_t next_D3D11CreateDevice;
+static D3D11CreateDeviceAndSwapChain_t next_D3D11CreateDeviceAndSwapChain;
+
+static const struct hook_symbol d3d11_hooks[] = {
+    {
+        .name = "D3D11CreateDevice",
+        .patch = D3D11CreateDevice,
+        .link = (void **) &next_D3D11CreateDevice,
+    }, {
+        .name = "D3D11CreateDeviceAndSwapChain",
+        .patch = D3D11CreateDeviceAndSwapChain,
+        .link = (void **) &next_D3D11CreateDeviceAndSwapChain,
+    },
+};
+
+void gfx_d3d11_hook_init(const struct gfx_config *cfg, HINSTANCE self)
+{
+    HMODULE d3d11;
+
+    assert(cfg != NULL);
+
+    if (!cfg->enable) {
+        return;
+    }
+
+    memcpy(&gfx_config, cfg, sizeof(*cfg));
+    hook_table_apply(NULL, "d3d11.dll", d3d11_hooks, _countof(d3d11_hooks));
+
+    if (next_D3D11CreateDevice == NULL || next_D3D11CreateDeviceAndSwapChain == NULL) {
+        d3d11 = LoadLibraryW(L"d3d11.dll");
+
+        if (d3d11 == NULL) {
+            dprintf("D3D11: d3d11.dll not found or failed initialization\n");
+
+            goto fail;
+        }
+
+        if (next_D3D11CreateDevice == NULL) {
+            next_D3D11CreateDevice = (D3D11CreateDevice_t) GetProcAddress(
+                    d3d11,
+                    "D3D11CreateDevice");
+        }
+        if (next_D3D11CreateDeviceAndSwapChain == NULL) {
+            next_D3D11CreateDeviceAndSwapChain = (D3D11CreateDeviceAndSwapChain_t) GetProcAddress(
+                    d3d11,
+                    "D3D11CreateDeviceAndSwapChain");
+        }
+
+        if (next_D3D11CreateDevice == NULL) {
+            dprintf("D3D11: D3D11CreateDevice not found in loaded d3d11.dll\n");
+
+            goto fail;
+        }
+        if (next_D3D11CreateDeviceAndSwapChain == NULL) {
+            dprintf("D3D11: D3D11CreateDeviceAndSwapChain not found in loaded d3d11.dll\n");
+
+            goto fail;
+        }
+    }
+
+    if (self != NULL) {
+        dll_hook_push(self, L"d3d11.dll");
+    }
+
+    return;
+
+fail:
+    if (d3d11 != NULL) {
+        FreeLibrary(d3d11);
+    }
+}
+
+HRESULT WINAPI D3D11CreateDevice(
+        IDXGIAdapter *pAdapter,
+        D3D_DRIVER_TYPE DriverType,
+        HMODULE Software,
+        UINT Flags,
+        const D3D_FEATURE_LEVEL *ppFeatureLevels,
+        UINT FeatureLevels,
+        UINT SDKVersion,
+        ID3D11Device **ppDevice,
+        D3D_FEATURE_LEVEL *pFeatureLevel,
+        ID3D11DeviceContext **ppImmediateContext)
+{
+    dprintf("D3D11: D3D11CreateDevice hook hit\n");
+
+    return next_D3D11CreateDevice(
+            pAdapter,
+            DriverType,
+            Software,
+            Flags,
+            ppFeatureLevels,
+            FeatureLevels,
+            SDKVersion,
+            ppDevice,
+            pFeatureLevel,
+            ppImmediateContext);
+}
+
+HRESULT WINAPI D3D11CreateDeviceAndSwapChain(
+        IDXGIAdapter *pAdapter,
+        D3D_DRIVER_TYPE DriverType,
+        HMODULE Software,
+        UINT Flags,
+        const D3D_FEATURE_LEVEL *ppFeatureLevels,
+        UINT FeatureLevels,
+        UINT SDKVersion,
+        const DXGI_SWAP_CHAIN_DESC *pSwapChainDesc,
+        IDXGISwapChain **ppSwapChain,
+        ID3D11Device **ppDevice,
+        D3D_FEATURE_LEVEL *pFeatureLevel,
+        ID3D11DeviceContext **ppImmediateContext)
+{
+    DXGI_SWAP_CHAIN_DESC *desc;
+    HWND hwnd;
+    UINT width;
+    UINT height;
+
+    dprintf("D3D11: D3D11CreateDeviceAndSwapChain hook hit\n");
+
+    desc = (DXGI_SWAP_CHAIN_DESC *) pSwapChainDesc;
+
+    if (desc != NULL) {
+        desc->Windowed = gfx_config.windowed;
+
+        hwnd = desc->OutputWindow;
+        width = desc->BufferDesc.Width;
+        height = desc->BufferDesc.Height;
+    } else {
+        hwnd = NULL;
+    }
+
+    if (hwnd != NULL) {
+        gfx_util_ensure_win_visible(hwnd);
+        gfx_util_borderless_fullscreen_windowed(hwnd, width, height);
+    }
+
+    return next_D3D11CreateDeviceAndSwapChain(
+            pAdapter,
+            DriverType,
+            Software,
+            Flags,
+            ppFeatureLevels,
+            FeatureLevels,
+            SDKVersion,
+            pSwapChainDesc,
+            ppSwapChain,
+            ppDevice,
+            pFeatureLevel,
+            ppImmediateContext);
+}
+