sdl

FORK: Simple Directmedia Layer
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SDL_androidgl.c (2643B)

      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
      4 
      5   This software is provided 'as-is', without any express or implied
      6   warranty.  In no event will the authors be held liable for any damages
      7   arising from the use of this software.
      8 
      9   Permission is granted to anyone to use this software for any purpose,
     10   including commercial applications, and to alter it and redistribute it
     11   freely, subject to the following restrictions:
     12 
     13   1. The origin of this software must not be misrepresented; you must not
     14      claim that you wrote the original software. If you use this software
     15      in a product, an acknowledgment in the product documentation would be
     16      appreciated but is not required.
     17   2. Altered source versions must be plainly marked as such, and must not be
     18      misrepresented as being the original software.
     19   3. This notice may not be removed or altered from any source distribution.
     20 */
     21 #include "../../SDL_internal.h"
     22 
     23 #if SDL_VIDEO_DRIVER_ANDROID
     24 
     25 /* Android SDL video driver implementation */
     26 
     27 #include "SDL_video.h"
     28 #include "../SDL_egl_c.h"
     29 #include "SDL_androidwindow.h"
     30 
     31 #include "SDL_androidvideo.h"
     32 #include "SDL_androidgl.h"
     33 #include "../../core/android/SDL_android.h"
     34 
     35 #include <android/log.h>
     36 
     37 #include <dlfcn.h>
     38 
     39 int
     40 Android_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
     41 {
     42     if (window && context) {
     43         return SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context);
     44     } else {
     45         return SDL_EGL_MakeCurrent(_this, NULL, NULL);
     46     }
     47 }
     48 
     49 SDL_GLContext
     50 Android_GLES_CreateContext(_THIS, SDL_Window * window)
     51 {
     52     SDL_GLContext ret;
     53 
     54     Android_ActivityMutex_Lock_Running();
     55 
     56     ret = SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
     57 
     58     SDL_UnlockMutex(Android_ActivityMutex);
     59 
     60     return ret;
     61 }
     62 
     63 int
     64 Android_GLES_SwapWindow(_THIS, SDL_Window * window)
     65 {
     66     int retval;
     67 
     68     SDL_LockMutex(Android_ActivityMutex);
     69 
     70     /* The following two calls existed in the original Java code
     71      * If you happen to have a device that's affected by their removal,
     72      * please report to Bugzilla. -- Gabriel
     73      */
     74 
     75     /*_this->egl_data->eglWaitNative(EGL_CORE_NATIVE_ENGINE);
     76     _this->egl_data->eglWaitGL();*/
     77     retval = SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
     78 
     79     SDL_UnlockMutex(Android_ActivityMutex);
     80 
     81     return retval;
     82 }
     83 
     84 int
     85 Android_GLES_LoadLibrary(_THIS, const char *path) {
     86     return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) 0, 0);
     87 }
     88 
     89 #endif /* SDL_VIDEO_DRIVER_ANDROID */
     90 
     91 /* vi: set ts=4 sw=4 expandtab: */