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authorElie Tournier <tournier.elie@gmail.com>2018-04-13 14:58:42 +0100
committerGerd Hoffmann <kraxel@redhat.com>2018-04-27 11:23:01 +0200
commit4867e47cb637c6f3549786f1be70793112f96713 (patch)
tree03da96cbecd85630c789307b9dc26136ab302a14 /ui/sdl2-gl.c
parent844fd50dbbcfc9e401895274bf4fb8da8e8d3f64 (diff)
downloadfocaccia-qemu-4867e47cb637c6f3549786f1be70793112f96713.tar.gz
focaccia-qemu-4867e47cb637c6f3549786f1be70793112f96713.zip
sdl: Allow OpenGL ES context creation
Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Message-id: 20180413135842.21325-4-tournier.elie@gmail.com

[ kraxel: fix indent ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/sdl2-gl.c')
-rw-r--r--ui/sdl2-gl.c19
1 files changed, 17 insertions, 2 deletions
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;
 }