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https://github.com/Ryujinx/SDL.git
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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2020 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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#if SDL_VIDEO_DRIVER_OFFSCREEN
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#include "SDL_offscreenopengl.h"
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#include "SDL_opengl.h"
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int
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OFFSCREEN_GL_SwapWindow(_THIS, SDL_Window* window)
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{
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OFFSCREEN_Window* offscreen_wind = window->driverdata;
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SDL_EGL_SwapBuffers(_this, offscreen_wind->egl_surface);
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return 0;
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}
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int
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OFFSCREEN_GL_MakeCurrent(_THIS, SDL_Window* window, SDL_GLContext context)
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{
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if (window) {
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EGLSurface egl_surface = ((OFFSCREEN_Window*)window->driverdata)->egl_surface;
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return SDL_EGL_MakeCurrent(_this, egl_surface, context);
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}
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return SDL_EGL_MakeCurrent(_this, NULL, NULL);
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}
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SDL_GLContext
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OFFSCREEN_GL_CreateContext(_THIS, SDL_Window* window)
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{
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OFFSCREEN_Window* offscreen_window = window->driverdata;
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SDL_GLContext context;
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context = SDL_EGL_CreateContext(_this, offscreen_window->egl_surface);
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return context;
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}
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int
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OFFSCREEN_GL_LoadLibrary(_THIS, const char* path)
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{
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int ret = SDL_EGL_LoadLibraryOnly(_this, path);
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if (ret != 0) {
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return ret;
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}
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ret = SDL_EGL_InitializeOffscreen(_this, 0);
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if (ret != 0) {
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return ret;
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}
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ret = SDL_EGL_ChooseConfig(_this);
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if (ret != 0) {
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return ret;
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}
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return 0;
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}
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void
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OFFSCREEN_GL_UnloadLibrary(_THIS)
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{
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SDL_EGL_UnloadLibrary(_this);
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}
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void*
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OFFSCREEN_GL_GetProcAddress(_THIS, const char* proc)
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{
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void* proc_addr = SDL_EGL_GetProcAddress(_this, proc);
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if (!proc_addr) {
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SDL_SetError("Failed to find proc address!");
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}
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return proc_addr;
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}
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#endif /* SDL_VIDEO_DRIVER_OFFSCREEN */
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/* vi: set ts=4 sw=4 expandtab: */
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