| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_WINDOWS |
| |
| #include "SDL_main.h" |
| #include "SDL_video.h" |
| #include "SDL_hints.h" |
| #include "SDL_mouse.h" |
| #include "SDL_system.h" |
| #include "../SDL_sysvideo.h" |
| #include "../SDL_pixels_c.h" |
| |
| #include "SDL_windowsvideo.h" |
| #include "SDL_windowsframebuffer.h" |
| #include "SDL_windowsshape.h" |
| #include "SDL_windowsvulkan.h" |
| |
| /* Initialization/Query functions */ |
| static int WIN_VideoInit(_THIS); |
| static void WIN_VideoQuit(_THIS); |
| |
| /* Hints */ |
| SDL_bool g_WindowsEnableMessageLoop = SDL_TRUE; |
| SDL_bool g_WindowFrameUsableWhileCursorHidden = SDL_TRUE; |
| |
| static void SDLCALL |
| UpdateWindowsEnableMessageLoop(void *userdata, const char *name, const char *oldValue, const char *newValue) |
| { |
| if (newValue && *newValue == '0') { |
| g_WindowsEnableMessageLoop = SDL_FALSE; |
| } else { |
| g_WindowsEnableMessageLoop = SDL_TRUE; |
| } |
| } |
| |
| static void SDLCALL |
| UpdateWindowFrameUsableWhileCursorHidden(void *userdata, const char *name, const char *oldValue, const char *newValue) |
| { |
| if (newValue && *newValue == '0') { |
| g_WindowFrameUsableWhileCursorHidden = SDL_FALSE; |
| } else { |
| g_WindowFrameUsableWhileCursorHidden = SDL_TRUE; |
| } |
| } |
| |
| static void WIN_SuspendScreenSaver(_THIS) |
| { |
| if (_this->suspend_screensaver) { |
| SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED); |
| } else { |
| SetThreadExecutionState(ES_CONTINUOUS); |
| } |
| } |
| |
| |
| /* Windows driver bootstrap functions */ |
| |
| static int |
| WIN_Available(void) |
| { |
| return (1); |
| } |
| |
| static void |
| WIN_DeleteDevice(SDL_VideoDevice * device) |
| { |
| SDL_VideoData *data = (SDL_VideoData *) device->driverdata; |
| |
| SDL_UnregisterApp(); |
| if (data->userDLL) { |
| SDL_UnloadObject(data->userDLL); |
| } |
| if (data->shcoreDLL) { |
| SDL_UnloadObject(data->shcoreDLL); |
| } |
| |
| SDL_free(device->driverdata); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice * |
| WIN_CreateDevice(int devindex) |
| { |
| SDL_VideoDevice *device; |
| SDL_VideoData *data; |
| |
| SDL_RegisterApp(NULL, 0, NULL); |
| |
| /* Initialize all variables that we clean on shutdown */ |
| device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); |
| if (device) { |
| data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData)); |
| } else { |
| data = NULL; |
| } |
| if (!data) { |
| SDL_free(device); |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| device->driverdata = data; |
| |
| data->userDLL = SDL_LoadObject("USER32.DLL"); |
| if (data->userDLL) { |
| data->CloseTouchInputHandle = (BOOL (WINAPI *)(HTOUCHINPUT)) SDL_LoadFunction(data->userDLL, "CloseTouchInputHandle"); |
| data->GetTouchInputInfo = (BOOL (WINAPI *)(HTOUCHINPUT, UINT, PTOUCHINPUT, int)) SDL_LoadFunction(data->userDLL, "GetTouchInputInfo"); |
| data->RegisterTouchWindow = (BOOL (WINAPI *)(HWND, ULONG)) SDL_LoadFunction(data->userDLL, "RegisterTouchWindow"); |
| } else { |
| SDL_ClearError(); |
| } |
| |
| data->shcoreDLL = SDL_LoadObject("SHCORE.DLL"); |
| if (data->shcoreDLL) { |
| data->GetDpiForMonitor = (HRESULT (WINAPI *)(HMONITOR, MONITOR_DPI_TYPE, UINT *, UINT *)) SDL_LoadFunction(data->shcoreDLL, "GetDpiForMonitor"); |
| } else { |
| SDL_ClearError(); |
| } |
| |
| /* Set the function pointers */ |
| device->VideoInit = WIN_VideoInit; |
| device->VideoQuit = WIN_VideoQuit; |
| device->GetDisplayBounds = WIN_GetDisplayBounds; |
| device->GetDisplayUsableBounds = WIN_GetDisplayUsableBounds; |
| device->GetDisplayDPI = WIN_GetDisplayDPI; |
| device->GetDisplayModes = WIN_GetDisplayModes; |
| device->SetDisplayMode = WIN_SetDisplayMode; |
| device->PumpEvents = WIN_PumpEvents; |
| device->SuspendScreenSaver = WIN_SuspendScreenSaver; |
| |
| device->CreateSDLWindow = WIN_CreateWindow; |
| device->CreateSDLWindowFrom = WIN_CreateWindowFrom; |
| device->SetWindowTitle = WIN_SetWindowTitle; |
| device->SetWindowIcon = WIN_SetWindowIcon; |
| device->SetWindowPosition = WIN_SetWindowPosition; |
| device->SetWindowSize = WIN_SetWindowSize; |
| device->GetWindowBordersSize = WIN_GetWindowBordersSize; |
| device->SetWindowOpacity = WIN_SetWindowOpacity; |
| device->ShowWindow = WIN_ShowWindow; |
| device->HideWindow = WIN_HideWindow; |
| device->RaiseWindow = WIN_RaiseWindow; |
| device->MaximizeWindow = WIN_MaximizeWindow; |
| device->MinimizeWindow = WIN_MinimizeWindow; |
| device->RestoreWindow = WIN_RestoreWindow; |
| device->SetWindowBordered = WIN_SetWindowBordered; |
| device->SetWindowResizable = WIN_SetWindowResizable; |
| device->SetWindowFullscreen = WIN_SetWindowFullscreen; |
| device->SetWindowGammaRamp = WIN_SetWindowGammaRamp; |
| device->GetWindowGammaRamp = WIN_GetWindowGammaRamp; |
| device->SetWindowGrab = WIN_SetWindowGrab; |
| device->DestroyWindow = WIN_DestroyWindow; |
| device->GetWindowWMInfo = WIN_GetWindowWMInfo; |
| device->CreateWindowFramebuffer = WIN_CreateWindowFramebuffer; |
| device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer; |
| device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer; |
| device->OnWindowEnter = WIN_OnWindowEnter; |
| device->SetWindowHitTest = WIN_SetWindowHitTest; |
| device->AcceptDragAndDrop = WIN_AcceptDragAndDrop; |
| |
| device->shape_driver.CreateShaper = Win32_CreateShaper; |
| device->shape_driver.SetWindowShape = Win32_SetWindowShape; |
| device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape; |
| |
| #if SDL_VIDEO_OPENGL_WGL |
| device->GL_LoadLibrary = WIN_GL_LoadLibrary; |
| device->GL_GetProcAddress = WIN_GL_GetProcAddress; |
| device->GL_UnloadLibrary = WIN_GL_UnloadLibrary; |
| device->GL_CreateContext = WIN_GL_CreateContext; |
| device->GL_MakeCurrent = WIN_GL_MakeCurrent; |
| device->GL_SetSwapInterval = WIN_GL_SetSwapInterval; |
| device->GL_GetSwapInterval = WIN_GL_GetSwapInterval; |
| device->GL_SwapWindow = WIN_GL_SwapWindow; |
| device->GL_DeleteContext = WIN_GL_DeleteContext; |
| #elif SDL_VIDEO_OPENGL_EGL |
| /* Use EGL based functions */ |
| device->GL_LoadLibrary = WIN_GLES_LoadLibrary; |
| device->GL_GetProcAddress = WIN_GLES_GetProcAddress; |
| device->GL_UnloadLibrary = WIN_GLES_UnloadLibrary; |
| device->GL_CreateContext = WIN_GLES_CreateContext; |
| device->GL_MakeCurrent = WIN_GLES_MakeCurrent; |
| device->GL_SetSwapInterval = WIN_GLES_SetSwapInterval; |
| device->GL_GetSwapInterval = WIN_GLES_GetSwapInterval; |
| device->GL_SwapWindow = WIN_GLES_SwapWindow; |
| device->GL_DeleteContext = WIN_GLES_DeleteContext; |
| #endif |
| #if SDL_VIDEO_VULKAN |
| device->Vulkan_LoadLibrary = WIN_Vulkan_LoadLibrary; |
| device->Vulkan_UnloadLibrary = WIN_Vulkan_UnloadLibrary; |
| device->Vulkan_GetInstanceExtensions = WIN_Vulkan_GetInstanceExtensions; |
| device->Vulkan_CreateSurface = WIN_Vulkan_CreateSurface; |
| #endif |
| |
| device->StartTextInput = WIN_StartTextInput; |
| device->StopTextInput = WIN_StopTextInput; |
| device->SetTextInputRect = WIN_SetTextInputRect; |
| |
| device->SetClipboardText = WIN_SetClipboardText; |
| device->GetClipboardText = WIN_GetClipboardText; |
| device->HasClipboardText = WIN_HasClipboardText; |
| |
| device->free = WIN_DeleteDevice; |
| |
| return device; |
| } |
| |
| |
| VideoBootStrap WINDOWS_bootstrap = { |
| "windows", "SDL Windows video driver", WIN_Available, WIN_CreateDevice |
| }; |
| |
| int |
| WIN_VideoInit(_THIS) |
| { |
| if (WIN_InitModes(_this) < 0) { |
| return -1; |
| } |
| |
| WIN_InitKeyboard(_this); |
| WIN_InitMouse(_this); |
| |
| SDL_AddHintCallback(SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP, UpdateWindowsEnableMessageLoop, NULL); |
| SDL_AddHintCallback(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN, UpdateWindowFrameUsableWhileCursorHidden, NULL); |
| |
| return 0; |
| } |
| |
| void |
| WIN_VideoQuit(_THIS) |
| { |
| WIN_QuitModes(_this); |
| WIN_QuitKeyboard(_this); |
| WIN_QuitMouse(_this); |
| } |
| |
| |
| #define D3D_DEBUG_INFO |
| #include <d3d9.h> |
| |
| SDL_bool |
| D3D_LoadDLL(void **pD3DDLL, IDirect3D9 **pDirect3D9Interface) |
| { |
| *pD3DDLL = SDL_LoadObject("D3D9.DLL"); |
| if (*pD3DDLL) { |
| typedef IDirect3D9 *(WINAPI *Direct3DCreate9_t) (UINT SDKVersion); |
| Direct3DCreate9_t Direct3DCreate9Func; |
| |
| #ifdef USE_D3D9EX |
| typedef HRESULT (WINAPI *Direct3DCreate9Ex_t)(UINT SDKVersion, IDirect3D9Ex **ppD3D); |
| Direct3DCreate9Ex_t Direct3DCreate9ExFunc; |
| |
| Direct3DCreate9ExFunc = (Direct3DCreate9Ex_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9Ex"); |
| if (Direct3DCreate9ExFunc) { |
| IDirect3D9Ex *pDirect3D9ExInterface; |
| HRESULT hr = Direct3DCreate9ExFunc(D3D_SDK_VERSION, &pDirect3D9ExInterface); |
| if (SUCCEEDED(hr)) { |
| const GUID IDirect3D9_GUID = { 0x81bdcbca, 0x64d4, 0x426d, { 0xae, 0x8d, 0xad, 0x1, 0x47, 0xf4, 0x27, 0x5c } }; |
| hr = IDirect3D9Ex_QueryInterface(pDirect3D9ExInterface, &IDirect3D9_GUID, (void**)pDirect3D9Interface); |
| IDirect3D9Ex_Release(pDirect3D9ExInterface); |
| if (SUCCEEDED(hr)) { |
| return SDL_TRUE; |
| } |
| } |
| } |
| #endif /* USE_D3D9EX */ |
| |
| Direct3DCreate9Func = (Direct3DCreate9_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9"); |
| if (Direct3DCreate9Func) { |
| *pDirect3D9Interface = Direct3DCreate9Func(D3D_SDK_VERSION); |
| if (*pDirect3D9Interface) { |
| return SDL_TRUE; |
| } |
| } |
| |
| SDL_UnloadObject(*pD3DDLL); |
| *pD3DDLL = NULL; |
| } |
| *pDirect3D9Interface = NULL; |
| return SDL_FALSE; |
| } |
| |
| |
| int |
| SDL_Direct3D9GetAdapterIndex(int displayIndex) |
| { |
| void *pD3DDLL; |
| IDirect3D9 *pD3D; |
| if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) { |
| SDL_SetError("Unable to create Direct3D interface"); |
| return D3DADAPTER_DEFAULT; |
| } else { |
| SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex); |
| int adapterIndex = D3DADAPTER_DEFAULT; |
| |
| if (!pData) { |
| SDL_SetError("Invalid display index"); |
| adapterIndex = -1; /* make sure we return something invalid */ |
| } else { |
| char *displayName = WIN_StringToUTF8(pData->DeviceName); |
| unsigned int count = IDirect3D9_GetAdapterCount(pD3D); |
| unsigned int i; |
| for (i=0; i<count; i++) { |
| D3DADAPTER_IDENTIFIER9 id; |
| IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id); |
| |
| if (SDL_strcmp(id.DeviceName, displayName) == 0) { |
| adapterIndex = i; |
| break; |
| } |
| } |
| SDL_free(displayName); |
| } |
| |
| /* free up the D3D stuff we inited */ |
| IDirect3D9_Release(pD3D); |
| SDL_UnloadObject(pD3DDLL); |
| |
| return adapterIndex; |
| } |
| } |
| |
| #if HAVE_DXGI_H |
| #define CINTERFACE |
| #define COBJMACROS |
| #include <dxgi.h> |
| |
| static SDL_bool |
| DXGI_LoadDLL(void **pDXGIDLL, IDXGIFactory **pDXGIFactory) |
| { |
| *pDXGIDLL = SDL_LoadObject("DXGI.DLL"); |
| if (*pDXGIDLL) { |
| HRESULT (WINAPI *CreateDXGI)(REFIID riid, void **ppFactory); |
| |
| CreateDXGI = |
| (HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL, |
| "CreateDXGIFactory"); |
| if (CreateDXGI) { |
| GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}}; |
| if (!SUCCEEDED(CreateDXGI(&dxgiGUID, (void**)pDXGIFactory))) { |
| *pDXGIFactory = NULL; |
| } |
| } |
| if (!*pDXGIFactory) { |
| SDL_UnloadObject(*pDXGIDLL); |
| *pDXGIDLL = NULL; |
| return SDL_FALSE; |
| } |
| |
| return SDL_TRUE; |
| } else { |
| *pDXGIFactory = NULL; |
| return SDL_FALSE; |
| } |
| } |
| #endif |
| |
| |
| SDL_bool |
| SDL_DXGIGetOutputInfo(int displayIndex, int *adapterIndex, int *outputIndex) |
| { |
| #if !HAVE_DXGI_H |
| if (adapterIndex) *adapterIndex = -1; |
| if (outputIndex) *outputIndex = -1; |
| SDL_SetError("SDL was compiled without DXGI support due to missing dxgi.h header"); |
| return SDL_FALSE; |
| #else |
| SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex); |
| void *pDXGIDLL; |
| char *displayName; |
| int nAdapter, nOutput; |
| IDXGIFactory *pDXGIFactory = NULL; |
| IDXGIAdapter *pDXGIAdapter; |
| IDXGIOutput* pDXGIOutput; |
| |
| if (!adapterIndex) { |
| SDL_InvalidParamError("adapterIndex"); |
| return SDL_FALSE; |
| } |
| |
| if (!outputIndex) { |
| SDL_InvalidParamError("outputIndex"); |
| return SDL_FALSE; |
| } |
| |
| *adapterIndex = -1; |
| *outputIndex = -1; |
| |
| if (!pData) { |
| SDL_SetError("Invalid display index"); |
| return SDL_FALSE; |
| } |
| |
| if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) { |
| SDL_SetError("Unable to create DXGI interface"); |
| return SDL_FALSE; |
| } |
| |
| displayName = WIN_StringToUTF8(pData->DeviceName); |
| nAdapter = 0; |
| while (*adapterIndex == -1 && SUCCEEDED(IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter))) { |
| nOutput = 0; |
| while (*adapterIndex == -1 && SUCCEEDED(IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput))) { |
| DXGI_OUTPUT_DESC outputDesc; |
| if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) { |
| char *outputName = WIN_StringToUTF8(outputDesc.DeviceName); |
| if (SDL_strcmp(outputName, displayName) == 0) { |
| *adapterIndex = nAdapter; |
| *outputIndex = nOutput; |
| } |
| SDL_free(outputName); |
| } |
| IDXGIOutput_Release(pDXGIOutput); |
| nOutput++; |
| } |
| IDXGIAdapter_Release(pDXGIAdapter); |
| nAdapter++; |
| } |
| SDL_free(displayName); |
| |
| /* free up the DXGI factory */ |
| IDXGIFactory_Release(pDXGIFactory); |
| SDL_UnloadObject(pDXGIDLL); |
| |
| if (*adapterIndex == -1) { |
| return SDL_FALSE; |
| } else { |
| return SDL_TRUE; |
| } |
| #endif |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_WINDOWS */ |
| |
| /* vim: set ts=4 sw=4 expandtab: */ |