| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2021 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_OFFSCREEN |
| |
| #include "SDL_offscreenopengl.h" |
| |
| #include "SDL_opengl.h" |
| |
| int |
| OFFSCREEN_GL_SwapWindow(_THIS, SDL_Window* window) |
| { |
| OFFSCREEN_Window* offscreen_wind = window->driverdata; |
| |
| SDL_EGL_SwapBuffers(_this, offscreen_wind->egl_surface); |
| return 0; |
| } |
| |
| int |
| OFFSCREEN_GL_MakeCurrent(_THIS, SDL_Window* window, SDL_GLContext context) |
| { |
| if (window) { |
| EGLSurface egl_surface = ((OFFSCREEN_Window*)window->driverdata)->egl_surface; |
| return SDL_EGL_MakeCurrent(_this, egl_surface, context); |
| } |
| |
| return SDL_EGL_MakeCurrent(_this, NULL, NULL); |
| } |
| |
| SDL_GLContext |
| OFFSCREEN_GL_CreateContext(_THIS, SDL_Window* window) |
| { |
| OFFSCREEN_Window* offscreen_window = window->driverdata; |
| |
| SDL_GLContext context; |
| context = SDL_EGL_CreateContext(_this, offscreen_window->egl_surface); |
| |
| return context; |
| } |
| |
| int |
| OFFSCREEN_GL_LoadLibrary(_THIS, const char* path) |
| { |
| int ret = SDL_EGL_LoadLibraryOnly(_this, path); |
| if (ret != 0) { |
| return ret; |
| } |
| |
| ret = SDL_EGL_InitializeOffscreen(_this, 0); |
| if (ret != 0) { |
| return ret; |
| } |
| |
| ret = SDL_EGL_ChooseConfig(_this); |
| if (ret != 0) { |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| void |
| OFFSCREEN_GL_UnloadLibrary(_THIS) |
| { |
| SDL_EGL_UnloadLibrary(_this); |
| } |
| |
| void* |
| OFFSCREEN_GL_GetProcAddress(_THIS, const char* proc) |
| { |
| void* proc_addr = SDL_EGL_GetProcAddress(_this, proc); |
| |
| if (!proc_addr) { |
| SDL_SetError("Failed to find proc address!"); |
| } |
| |
| return proc_addr; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_OFFSCREEN */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |