| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2024 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 defined(SDL_VIDEO_DRIVER_RPI) && defined(SDL_VIDEO_OPENGL_EGL) |
| |
| #include "SDL_rpivideo.h" |
| #include "SDL_rpiopengles.h" |
| |
| /* EGL implementation of SDL OpenGL support */ |
| |
| void RPI_GLES_DefaultProfileConfig(SDL_VideoDevice *_this, int *mask, int *major, int *minor) |
| { |
| *mask = SDL_GL_CONTEXT_PROFILE_ES; |
| *major = 2; |
| *minor = 0; |
| } |
| |
| int RPI_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path) |
| { |
| return SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY, 0); |
| } |
| |
| int RPI_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window) |
| { |
| SDL_WindowData *wdata = window->driverdata; |
| |
| if (!(_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, wdata->egl_surface))) { |
| SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "eglSwapBuffers failed."); |
| return 0; |
| } |
| |
| /* Wait immediately for vsync (as if we only had two buffers), for low input-lag scenarios. |
| * Run your SDL program with "SDL_RPI_DOUBLE_BUFFER=1 <program_name>" to enable this. */ |
| if (wdata->double_buffer) { |
| SDL_LockMutex(wdata->vsync_cond_mutex); |
| SDL_WaitCondition(wdata->vsync_cond, wdata->vsync_cond_mutex); |
| SDL_UnlockMutex(wdata->vsync_cond_mutex); |
| } |
| |
| return 0; |
| } |
| |
| SDL_EGL_CreateContext_impl(RPI) |
| SDL_EGL_MakeCurrent_impl(RPI) |
| |
| #endif /* SDL_VIDEO_DRIVER_RPI && SDL_VIDEO_OPENGL_EGL */ |