Optional "precise" VGA retrace support

Selected via: -vga <name>,retrace=precise

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5336 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 6 insertions, 0 deletions

diff --git a/hw/pc.h b/hw/pc.h
index 28628491dc..e2da853715 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -108,6 +108,12 @@ void i440fx_init_memory_mappings(PCIDevice *d);
 int piix4_init(PCIBus *bus, int devfn);
 
 /* vga.c */
+enum vga_retrace_method {
+    VGA_RETRACE_DUMB,
+    VGA_RETRACE_PRECISE
+};
+
+extern enum vga_retrace_method vga_retrace_method;
 
 #ifndef TARGET_SPARC
 #define VGA_RAM_SIZE (8192 * 1024)