*misc

1 files changed, 116 insertions, 0 deletions

diff --git a/Source/external/SDL2/src/render/direct3d11/SDL_render_winrt.cpp b/Source/external/SDL2/src/render/direct3d11/SDL_render_winrt.cpp
new file mode 100644
index 0000000..2f2c3e5
--- /dev/null
+++ b/Source/external/SDL2/src/render/direct3d11/SDL_render_winrt.cpp
@@ -0,0 +1,116 @@
+/*
+  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_RENDER_D3D11 && !SDL_RENDER_DISABLED
+
+#include "SDL_syswm.h"
+#include "../../video/winrt/SDL_winrtvideo_cpp.h"
+extern "C" {
+#include "../SDL_sysrender.h"
+}
+
+#include <windows.ui.core.h>
+#include <windows.graphics.display.h>
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+#include <windows.ui.xaml.media.dxinterop.h>
+#endif
+
+using namespace Windows::UI::Core;
+using namespace Windows::Graphics::Display;
+
+#include <DXGI.h>
+
+#include "SDL_render_winrt.h"
+
+
+extern "C" void *
+D3D11_GetCoreWindowFromSDLRenderer(SDL_Renderer * renderer)
+{
+    SDL_Window * sdlWindow = renderer->window;
+    if ( ! renderer->window ) {
+        return NULL;
+    }
+
+    SDL_SysWMinfo sdlWindowInfo;
+    SDL_VERSION(&sdlWindowInfo.version);
+    if ( ! SDL_GetWindowWMInfo(sdlWindow, &sdlWindowInfo) ) {
+        return NULL;
+    }
+
+    if (sdlWindowInfo.subsystem != SDL_SYSWM_WINRT) {
+        return NULL;
+    }
+
+    if (!sdlWindowInfo.info.winrt.window) {
+        return NULL;
+    }
+
+    ABI::Windows::UI::Core::ICoreWindow *coreWindow = NULL;
+    if (FAILED(sdlWindowInfo.info.winrt.window->QueryInterface(&coreWindow))) {
+        return NULL;
+    }
+
+    IUnknown *coreWindowAsIUnknown = NULL;
+    coreWindow->QueryInterface(&coreWindowAsIUnknown);
+    coreWindow->Release();
+
+    return coreWindowAsIUnknown;
+}
+
+extern "C" DXGI_MODE_ROTATION
+D3D11_GetCurrentRotation()
+{
+    const DisplayOrientations currentOrientation = WINRT_DISPLAY_PROPERTY(CurrentOrientation);
+
+    switch (currentOrientation) {
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    /* Windows Phone rotations */
+    case DisplayOrientations::Landscape:
+        return DXGI_MODE_ROTATION_ROTATE90;
+    case DisplayOrientations::Portrait:
+        return DXGI_MODE_ROTATION_IDENTITY;
+    case DisplayOrientations::LandscapeFlipped:
+        return DXGI_MODE_ROTATION_ROTATE270;
+    case DisplayOrientations::PortraitFlipped:
+        return DXGI_MODE_ROTATION_ROTATE180;
+#else
+    /* Non-Windows-Phone rotations (ex: Windows 8, Windows RT) */
+    case DisplayOrientations::Landscape:
+        return DXGI_MODE_ROTATION_IDENTITY;
+    case DisplayOrientations::Portrait:
+        return DXGI_MODE_ROTATION_ROTATE270;
+    case DisplayOrientations::LandscapeFlipped:
+        return DXGI_MODE_ROTATION_ROTATE180;
+    case DisplayOrientations::PortraitFlipped:
+        return DXGI_MODE_ROTATION_ROTATE90;
+#endif /* WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP */
+    }
+
+    return DXGI_MODE_ROTATION_IDENTITY;
+}
+
+
+#endif /* SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */