diff options
Diffstat (limited to 'Source/external/SDL2/src/video/windows/SDL_windowsvideo.c')
| -rw-r--r-- | Source/external/SDL2/src/video/windows/SDL_windowsvideo.c | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/Source/external/SDL2/src/video/windows/SDL_windowsvideo.c b/Source/external/SDL2/src/video/windows/SDL_windowsvideo.c new file mode 100644 index 0000000..358ab23 --- /dev/null +++ b/Source/external/SDL2/src/video/windows/SDL_windowsvideo.c @@ -0,0 +1,452 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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; + 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: */ |