diff options
Diffstat (limited to 'Source/external/SDL2/src/video/x11/SDL_x11opengles.c')
| -rw-r--r-- | Source/external/SDL2/src/video/x11/SDL_x11opengles.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/Source/external/SDL2/src/video/x11/SDL_x11opengles.c b/Source/external/SDL2/src/video/x11/SDL_x11opengles.c new file mode 100644 index 0000000..76b6cd7 --- /dev/null +++ b/Source/external/SDL2/src/video/x11/SDL_x11opengles.c @@ -0,0 +1,109 @@ +/* + 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_X11 && SDL_VIDEO_OPENGL_EGL + +#include "SDL_x11video.h" +#include "SDL_x11opengles.h" +#include "SDL_x11opengl.h" + +/* EGL implementation of SDL OpenGL support */ + +int +X11_GLES_LoadLibrary(_THIS, const char *path) +{ + SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; + + /* If the profile requested is not GL ES, switch over to X11_GL functions */ + if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) { + #if SDL_VIDEO_OPENGL_GLX + X11_GLES_UnloadLibrary(_this); + _this->GL_LoadLibrary = X11_GL_LoadLibrary; + _this->GL_GetProcAddress = X11_GL_GetProcAddress; + _this->GL_UnloadLibrary = X11_GL_UnloadLibrary; + _this->GL_CreateContext = X11_GL_CreateContext; + _this->GL_MakeCurrent = X11_GL_MakeCurrent; + _this->GL_SetSwapInterval = X11_GL_SetSwapInterval; + _this->GL_GetSwapInterval = X11_GL_GetSwapInterval; + _this->GL_SwapWindow = X11_GL_SwapWindow; + _this->GL_DeleteContext = X11_GL_DeleteContext; + return X11_GL_LoadLibrary(_this, path); + #else + return SDL_SetError("SDL not configured with OpenGL/GLX support"); + #endif + } + + return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display, 0); +} + +XVisualInfo * +X11_GLES_GetVisual(_THIS, Display * display, int screen) +{ + + XVisualInfo *egl_visualinfo = NULL; + EGLint visual_id; + XVisualInfo vi_in; + int out_count; + + if (!_this->egl_data) { + /* The EGL library wasn't loaded, SDL_GetError() should have info */ + return NULL; + } + + if (_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, + _this->egl_data->egl_config, + EGL_NATIVE_VISUAL_ID, + &visual_id) == EGL_FALSE || !visual_id) { + /* Use the default visual when all else fails */ + vi_in.screen = screen; + egl_visualinfo = X11_XGetVisualInfo(display, + VisualScreenMask, + &vi_in, &out_count); + } else { + vi_in.screen = screen; + vi_in.visualid = visual_id; + egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count); + } + + return egl_visualinfo; +} + +SDL_GLContext +X11_GLES_CreateContext(_THIS, SDL_Window * window) +{ + SDL_GLContext context; + SDL_WindowData *data = (SDL_WindowData *) window->driverdata; + Display *display = data->videodata->display; + + X11_XSync(display, False); + context = SDL_EGL_CreateContext(_this, data->egl_surface); + X11_XSync(display, False); + + return context; +} + +SDL_EGL_SwapWindow_impl(X11) +SDL_EGL_MakeCurrent_impl(X11) + +#endif /* SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL */ + +/* vi: set ts=4 sw=4 expandtab: */ |