From 4867e47cb637c6f3549786f1be70793112f96713 Mon Sep 17 00:00:00 2001 From: Elie Tournier Date: Fri, 13 Apr 2018 14:58:42 +0100 Subject: [PATCH] sdl: Allow OpenGL ES context creation Signed-off-by: Elie Tournier Message-id: 20180413135842.21325-4-tournier.elie@gmail.com [ kraxel: fix indent ] Signed-off-by: Gerd Hoffmann --- qemu-options.hx | 2 +- ui/sdl2-gl.c | 19 +++++++++++++++++-- vl.c | 4 ++++ 3 files changed, 22 insertions(+), 3 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index ca4e412f2f..333dd1f1c8 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1240,7 +1240,7 @@ ETEXI DEF("display", HAS_ARG, QEMU_OPTION_display, "-display sdl[,frame=on|off][,alt_grab=on|off][,ctrl_grab=on|off]\n" - " [,window_close=on|off][,gl=on|off]\n" + " [,window_close=on|off][,gl=on|core|es|off]\n" "-display gtk[,grab_on_hover=on|off][,gl=on|off]|\n" "-display vnc=[,]\n" "-display curses\n" diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c index c3683e6b65..83b71853d1 100644 --- a/ui/sdl2-gl.c +++ b/ui/sdl2-gl.c @@ -140,12 +140,27 @@ QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl, SDL_GL_MakeCurrent(scon->real_window, scon->winctx); SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1); - SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, - SDL_GL_CONTEXT_PROFILE_CORE); + if (scon->opts->gl == DISPLAYGL_MODE_ON || + scon->opts->gl == DISPLAYGL_MODE_CORE) { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_CORE); + } else if (scon->opts->gl == DISPLAYGL_MODE_ES) { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_ES); + } SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, params->major_ver); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, params->minor_ver); ctx = SDL_GL_CreateContext(scon->real_window); + + /* If SDL fail to create a GL context and we use the "on" flag, + * then try to fallback to GLES. + */ + if (!ctx && scon->opts->gl == DISPLAYGL_MODE_ON) { + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_ES); + ctx = SDL_GL_CreateContext(scon->real_window); + } return (QEMUGLContext)ctx; } diff --git a/vl.c b/vl.c index f7804f7a18..916d2a80a7 100644 --- a/vl.c +++ b/vl.c @@ -2144,6 +2144,10 @@ static void parse_display(const char *p) dpy.has_gl = true; if (strstart(opts, "on", &nextopt)) { dpy.gl = DISPLAYGL_MODE_ON; + } else if (strstart(opts, "core", &nextopt)) { + dpy.gl = DISPLAYGL_MODE_CORE; + } else if (strstart(opts, "es", &nextopt)) { + dpy.gl = DISPLAYGL_MODE_ES; } else if (strstart(opts, "off", &nextopt)) { dpy.gl = DISPLAYGL_MODE_OFF; } else {