From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../src/video/raspberry/SDL_rpiopengles.c | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/raspberry/SDL_rpiopengles.c (limited to 'contrib/SDL-3.2.8/src/video/raspberry/SDL_rpiopengles.c') diff --git a/contrib/SDL-3.2.8/src/video/raspberry/SDL_rpiopengles.c b/contrib/SDL-3.2.8/src/video/raspberry/SDL_rpiopengles.c new file mode 100644 index 0000000..0561d8b --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/raspberry/SDL_rpiopengles.c @@ -0,0 +1,65 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + 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; +} + +bool RPI_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path) +{ + return SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY, 0); +} + +bool RPI_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window) +{ + SDL_WindowData *wdata = window->internal; + + if (!(_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, wdata->egl_surface))) { + SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "eglSwapBuffers failed."); + return true; + } + + /* 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 " 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 true; +} + +SDL_EGL_CreateContext_impl(RPI) +SDL_EGL_MakeCurrent_impl(RPI) + +#endif // SDL_VIDEO_DRIVER_RPI && SDL_VIDEO_OPENGL_EGL -- cgit v1.2.3