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-rw-r--r--minui/graphics.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
index 296e2e078..81f13ad2c 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -44,6 +44,8 @@
#define PIXEL_SIZE 2
#endif
+#define NUM_BUFFERS 2
+
typedef struct {
GGLSurface texture;
unsigned cwidth;
@@ -54,7 +56,7 @@ typedef struct {
static GRFont *gr_font = 0;
static GGLContext *gr_context = 0;
static GGLSurface gr_font_texture;
-static GGLSurface gr_framebuffer[2];
+static GGLSurface gr_framebuffer[NUM_BUFFERS];
static GGLSurface gr_mem_surface;
static unsigned gr_active_fb = 0;
static unsigned double_buffering = 0;
@@ -169,7 +171,7 @@ static void get_memory_surface(GGLSurface* ms) {
static void set_active_framebuffer(unsigned n)
{
if (n > 1 || !double_buffering) return;
- vi.yres_virtual = vi.yres * PIXEL_SIZE;
+ vi.yres_virtual = vi.yres * NUM_BUFFERS;
vi.yoffset = n * vi.yres;
vi.bits_per_pixel = PIXEL_SIZE * 8;
if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {