added the src/glut files

[dosdemo] / src / glut / gfx.h

diff --git a/src/glut/gfx.h b/src/glut/gfx.h
new file mode 100644 (file)
index 0000000..8d5d81d
--- /dev/null
+++ b/src/glut/gfx.h
@@ -0,0 +1,31 @@
+#ifndef GFX_H_
+#define GFX_H_
+
+#include "inttypes.h"
+
+struct video_mode {
+       uint16_t mode;
+       short xsz, ysz, bpp, pitch;
+       short rbits, gbits, bbits;
+       short rshift, gshift, bshift;
+       uint32_t rmask, gmask, bmask;
+       uint32_t fb_addr;
+       short max_pages;
+       uint32_t bank_size;
+};
+
+struct video_mode *video_modes(void);
+int num_video_modes(void);
+
+#define VMODE_CURRENT  (-1)
+struct video_mode *get_video_mode(int idx);
+
+int match_video_mode(int xsz, int ysz, int bpp);
+
+/* argument is the mode list index [0, nmodes-1] */
+void *set_video_mode(int idx, int nbuf);
+
+void blit_frame(void *pixels, int vsync);
+void wait_vsync(void);
+
+#endif /* GFX_H_ */