diff options
Diffstat (limited to '3rdparty/SDL2/src/video/winrt/SDL_winrtopengles.cpp')
-rw-r--r-- | 3rdparty/SDL2/src/video/winrt/SDL_winrtopengles.cpp | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/3rdparty/SDL2/src/video/winrt/SDL_winrtopengles.cpp b/3rdparty/SDL2/src/video/winrt/SDL_winrtopengles.cpp deleted file mode 100644 index cca07fa1bc0..00000000000 --- a/3rdparty/SDL2/src/video/winrt/SDL_winrtopengles.cpp +++ /dev/null @@ -1,202 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 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_WINRT && SDL_VIDEO_OPENGL_EGL - -/* EGL implementation of SDL OpenGL support */ - -#include "SDL_winrtvideo_cpp.h" -extern "C" { -#include "SDL_winrtopengles.h" -#include "SDL_loadso.h" -} - -/* Windows includes */ -#include <wrl/client.h> -using namespace Windows::UI::Core; - -/* ANGLE/WinRT constants */ -static const int ANGLE_D3D_FEATURE_LEVEL_ANY = 0; -#define EGL_PLATFORM_ANGLE_ANGLE 0x3202 -#define EGL_PLATFORM_ANGLE_TYPE_ANGLE 0x3203 -#define EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE 0x3204 -#define EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE 0x3205 -#define EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE 0x3208 -#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE 0x3209 -#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE 0x320B -#define EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE 0x320F - -#define EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER 0x320B - - -/* - * SDL/EGL top-level implementation - */ - -extern "C" int -WINRT_GLES_LoadLibrary(_THIS, const char *path) -{ - SDL_VideoData *video_data = (SDL_VideoData *)_this->driverdata; - - if (SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY) != 0) { - return -1; - } - - /* Load ANGLE/WinRT-specific functions */ - CreateWinrtEglWindow_Old_Function CreateWinrtEglWindow = (CreateWinrtEglWindow_Old_Function) SDL_LoadFunction(_this->egl_data->egl_dll_handle, "CreateWinrtEglWindow"); - if (CreateWinrtEglWindow) { - /* 'CreateWinrtEglWindow' was found, which means that an an older - * version of ANGLE/WinRT is being used. Continue setting up EGL, - * as appropriate to this version of ANGLE. - */ - - /* Create an ANGLE/WinRT EGL-window */ - /* TODO, WinRT: check for XAML usage before accessing the CoreWindow, as not doing so could lead to a crash */ - CoreWindow ^ native_win = CoreWindow::GetForCurrentThread(); - Microsoft::WRL::ComPtr<IUnknown> cpp_win = reinterpret_cast<IUnknown *>(native_win); - HRESULT result = CreateWinrtEglWindow(cpp_win, ANGLE_D3D_FEATURE_LEVEL_ANY, &(video_data->winrtEglWindow)); - if (FAILED(result)) { - return -1; - } - - /* Call eglGetDisplay and eglInitialize as appropriate. On other - * platforms, this would probably get done by SDL_EGL_LoadLibrary, - * however ANGLE/WinRT's current implementation (as of Mar 22, 2014) of - * eglGetDisplay requires that a C++ object be passed into it, so the - * call will be made in this file, a C++ file, instead. - */ - Microsoft::WRL::ComPtr<IUnknown> cpp_display = video_data->winrtEglWindow; - _this->egl_data->egl_display = ((eglGetDisplay_Old_Function)_this->egl_data->eglGetDisplay)(cpp_display); - if (!_this->egl_data->egl_display) { - return SDL_SetError("Could not get Windows 8.0 EGL display"); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) { - return SDL_SetError("Could not initialize Windows 8.0 EGL"); - } - } else { - /* Declare some ANGLE/EGL initialization property-sets, as suggested by - * MSOpenTech's ANGLE-for-WinRT template apps: - */ - const EGLint defaultDisplayAttributes[] = - { - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - const EGLint fl9_3DisplayAttributes[] = - { - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, 9, - EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, 3, - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - const EGLint warpDisplayAttributes[] = - { - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE, - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - /* 'CreateWinrtEglWindow' was NOT found, which either means that a - * newer version of ANGLE/WinRT is being used, or that we don't have - * a valid copy of ANGLE. - * - * Try loading ANGLE as if it were the newer version. - */ - eglGetPlatformDisplayEXT_Function eglGetPlatformDisplayEXT = (eglGetPlatformDisplayEXT_Function)_this->egl_data->eglGetProcAddress("eglGetPlatformDisplayEXT"); - if (!eglGetPlatformDisplayEXT) { - return SDL_SetError("Could not retrieve ANGLE/WinRT display function(s)"); - } - -#if (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP) - /* Try initializing EGL at D3D11 Feature Level 10_0+ (which is not - * supported on WinPhone 8.x. - */ - _this->egl_data->egl_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, defaultDisplayAttributes); - if (!_this->egl_data->egl_display) { - return SDL_SetError("Could not get 10_0+ EGL display"); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) -#endif - { - /* Try initializing EGL at D3D11 Feature Level 9_3, in case the - * 10_0 init fails, or we're on Windows Phone (which only supports - * 9_3). - */ - _this->egl_data->egl_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, fl9_3DisplayAttributes); - if (!_this->egl_data->egl_display) { - return SDL_SetError("Could not get 9_3 EGL display"); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) { - /* Try initializing EGL at D3D11 Feature Level 11_0 on WARP - * (a Windows-provided, software rasterizer) if all else fails. - */ - _this->egl_data->egl_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, warpDisplayAttributes); - if (!_this->egl_data->egl_display) { - return SDL_SetError("Could not get WARP EGL display"); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) { - return SDL_SetError("Could not initialize WinRT 8.x+ EGL"); - } - } - } - } - - return 0; -} - -extern "C" void -WINRT_GLES_UnloadLibrary(_THIS) -{ - SDL_VideoData *video_data = (SDL_VideoData *)_this->driverdata; - - /* Release SDL's own COM reference to the ANGLE/WinRT IWinrtEglWindow */ - if (video_data->winrtEglWindow) { - video_data->winrtEglWindow->Release(); - video_data->winrtEglWindow = nullptr; - } - - /* Perform the bulk of the unloading */ - SDL_EGL_UnloadLibrary(_this); -} - -extern "C" { -SDL_EGL_CreateContext_impl(WINRT) -SDL_EGL_SwapWindow_impl(WINRT) -SDL_EGL_MakeCurrent_impl(WINRT) -} - -#endif /* SDL_VIDEO_DRIVER_WINRT && SDL_VIDEO_OPENGL_EGL */ - -/* vi: set ts=4 sw=4 expandtab: */ - |