commit 0b71a5d5caa4f709d37fa1d7786dffc2c94f8414
author Gerd Hoffmann <kraxel@redhat.com> Tue Nov 11 16:54:45 2014 +0100
committer Gerd Hoffmann <kraxel@redhat.com> Tue May 05 10:48:26 2015 +0200
tree db4697889cfdac1fae3cf5a42055cb21cd08aa72
parent 19dadfccd0124804e2790e7cb075c9df7cd3154f

sdl2: add support for display rendering using opengl.

Add new sdl2-gl.c file, with display
rendering functions using opengl.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>

vl.c

diff --git a/vl.c b/vl.c
index 74c2681..15bccc4 100644
--- a/vl.c
+++ b/vl.c
@@ -130,6 +130,7 @@
 const char *bios_name = NULL;
 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 DisplayType display_type = DT_DEFAULT;
+int request_opengl = -1;
 int display_opengl;
 static int display_remote;
 const char* keyboard_layout = NULL;
@@ -1990,6 +1991,15 @@
                 } else {
                     goto invalid_sdl_args;
                 }
+            } else if (strstart(opts, ",gl=", &nextopt)) {
+                opts = nextopt;
+                if (strstart(opts, "on", &nextopt)) {
+                    request_opengl = 1;
+                } else if (strstart(opts, "off", &nextopt)) {
+                    request_opengl = 0;
+                } else {
+                    goto invalid_sdl_args;
+                }
             } else {
             invalid_sdl_args:
                 fprintf(stderr, "Invalid SDL option string: %s\n", p);
@@ -4005,6 +4015,19 @@
         early_gtk_display_init();
     }
 #endif
+#if defined(CONFIG_SDL)
+    if (display_type == DT_SDL) {
+        sdl_display_early_init(request_opengl);
+    }
+#endif
+    if (request_opengl == 1 && display_opengl == 0) {
+#if defined(CONFIG_OPENGL)
+        fprintf(stderr, "OpenGL is not supported by the display.\n");
+#else
+        fprintf(stderr, "QEMU was built without opengl support.\n");
+#endif
+        exit(1);
+    }
 
     socket_init();