start adding a gfx interface

1 files changed, 20 insertions, 0 deletions

diff --git a/gfx.h b/gfx.h
new file mode 100644
index 0000000..77ab172
--- /dev/null
+++ b/gfx.h
@@ -0,0 +1,20 @@
+#include <inttypes.h>
+
+typedef struct gfxstate gfxstate;
+
+struct gfxstate {
+    /* info */
+    uint32_t hdisplay;
+    uint32_t vdisplay;
+    uint32_t stride;
+
+    uint32_t bits_per_pixel;
+    uint32_t rlen, glen, blen, tlen;
+    uint32_t roff, goff, boff, toff;
+
+    /* calls */
+    void (*restore_display)(void);
+
+    /* FIXME: legacy */
+    int fb_fd;
+};