| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2022 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_egl_c.h" |
| #include "../SDL_sysvideo.h" |
| |
| #include "SDL_offscreenwindow.h" |
| |
| int |
| OFFSCREEN_CreateWindow(_THIS, SDL_Window* window) |
| { |
| OFFSCREEN_Window* offscreen_window = SDL_calloc(1, sizeof(OFFSCREEN_Window)); |
| |
| if (!offscreen_window) { |
| return SDL_OutOfMemory(); |
| } |
| |
| window->driverdata = offscreen_window; |
| |
| if (window->x == SDL_WINDOWPOS_UNDEFINED) { |
| window->x = 0; |
| } |
| |
| if (window->y == SDL_WINDOWPOS_UNDEFINED) { |
| window->y = 0; |
| } |
| |
| offscreen_window->sdl_window = window; |
| |
| if (window->flags & SDL_WINDOW_OPENGL) { |
| |
| if (!_this->egl_data) { |
| return SDL_SetError("Cannot create an OPENGL window invalid egl_data"); |
| } |
| |
| offscreen_window->egl_surface = SDL_EGL_CreateOffscreenSurface(_this, window->w, window->h); |
| |
| if (offscreen_window->egl_surface == EGL_NO_SURFACE) { |
| return SDL_SetError("Failed to created an offscreen surface (EGL display: %p)", |
| _this->egl_data->egl_display); |
| } |
| } |
| else { |
| offscreen_window->egl_surface = EGL_NO_SURFACE; |
| } |
| |
| return 0; |
| } |
| |
| void |
| OFFSCREEN_DestroyWindow(_THIS, SDL_Window* window) |
| { |
| OFFSCREEN_Window* offscreen_window = window->driverdata; |
| |
| if (offscreen_window) { |
| SDL_EGL_DestroySurface(_this, offscreen_window->egl_surface); |
| SDL_free(offscreen_window); |
| } |
| |
| window->driverdata = NULL; |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_OFFSCREEN */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |