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Diffstat (limited to 'ui/sdl2.c')
-rw-r--r--ui/sdl2.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/ui/sdl2.c b/ui/sdl2.c
index 8cb77416af..35c58c1104 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -58,6 +58,11 @@ static Notifier mouse_mode_notifier;
 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
                              / SDL2_REFRESH_INTERVAL_BUSY + 1)
 
+/* introduced in SDL 2.0.10 */
+#ifndef SDL_HINT_RENDER_BATCHING
+#define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING"
+#endif
+
 static void sdl_update_caption(struct sdl2_console *scon);
 
 static struct sdl2_console *get_scon_from_window(uint32_t window_id)
@@ -99,9 +104,20 @@ void sdl2_window_create(struct sdl2_console *scon)
                                          surface_width(scon->surface),
                                          surface_height(scon->surface),
                                          flags);
+    if (scon->opengl) {
+        const char *driver = "opengl";
+
+        if (scon->opts->gl == DISPLAYGL_MODE_ES) {
+            driver = "opengles2";
+        }
+
+        SDL_SetHint(SDL_HINT_RENDER_DRIVER, driver);
+        SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
+    }
     scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0);
+
     if (scon->opengl) {
-        scon->winctx = SDL_GL_GetCurrentContext();
+        scon->winctx = SDL_GL_CreateContext(scon->real_window);
     }
     sdl_update_caption(scon);
 }
@@ -112,6 +128,8 @@ void sdl2_window_destroy(struct sdl2_console *scon)
         return;
     }
 
+    SDL_GL_DeleteContext(scon->winctx);
+    scon->winctx = NULL;
     SDL_DestroyRenderer(scon->real_renderer);
     scon->real_renderer = NULL;
     SDL_DestroyWindow(scon->real_window);
@@ -841,6 +859,10 @@ static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
     }
 #endif
 
+    if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) {
+        SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
+    }
+
     if (SDL_Init(SDL_INIT_VIDEO)) {
         fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
                 SDL_GetError());