91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#ifdef SDL_VIDEO_DRIVER_OFFSCREEN
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_windowevents_c.h"
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#include "../SDL_egl_c.h"
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#include "SDL_offscreenwindow.h"
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bool OFFSCREEN_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID create_props)
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{
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SDL_WindowData *offscreen_window = (SDL_WindowData *)SDL_calloc(1, sizeof(SDL_WindowData));
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if (!offscreen_window) {
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return false;
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}
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window->internal = offscreen_window;
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if (window->x == SDL_WINDOWPOS_UNDEFINED) {
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window->x = 0;
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}
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if (window->y == SDL_WINDOWPOS_UNDEFINED) {
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window->y = 0;
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}
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offscreen_window->sdl_window = window;
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#ifdef SDL_VIDEO_OPENGL_EGL
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if (window->flags & SDL_WINDOW_OPENGL) {
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if (!_this->egl_data) {
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return SDL_SetError("Cannot create an OPENGL window invalid egl_data");
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}
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offscreen_window->egl_surface = SDL_EGL_CreateOffscreenSurface(_this, window->w, window->h);
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if (offscreen_window->egl_surface == EGL_NO_SURFACE) {
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return SDL_SetError("Failed to created an offscreen surface (EGL display: %p)",
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_this->egl_data->egl_display);
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}
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} else {
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offscreen_window->egl_surface = EGL_NO_SURFACE;
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}
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#endif // SDL_VIDEO_OPENGL_EGL
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return true;
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}
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void OFFSCREEN_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window)
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{
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SDL_WindowData *offscreen_window = window->internal;
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if (offscreen_window) {
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#ifdef SDL_VIDEO_OPENGL_EGL
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SDL_EGL_DestroySurface(_this, offscreen_window->egl_surface);
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#endif
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SDL_free(offscreen_window);
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}
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window->internal = NULL;
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}
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void OFFSCREEN_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window)
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{
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SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, window->pending.w, window->pending.h);
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}
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#endif // SDL_VIDEO_DRIVER_OFFSCREEN
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