mango/include/socks/fb.h

#ifndef SOCKS_FB_H_
#define SOCKS_FB_H_

#include <stdint.h>

enum framebuffer_flags {
	FB_MODE_RGB = 0x01u,
	FB_MODE_VGATEXT = 0x02u,
	FB_MODE_PALETTE = 0x04u,
};

struct framebuffer_bitfield {
	uint32_t b_offset;
	uint16_t b_length;
};

struct framebuffer_varinfo {
	enum framebuffer_flags fb_flags;

	uint32_t fb_xres;
	uint32_t fb_yres;
	uint32_t fb_bpp;
	uint32_t fb_stride;

	union {
		struct {
			uint32_t fb_xcells;
			uint32_t fb_ycells;
		};

		struct {
			struct framebuffer_bitfield fb_red;
			struct framebuffer_bitfield fb_green;
			struct framebuffer_bitfield fb_blue;
			struct framebuffer_bitfield fb_alpha;
		};

		struct {
			uintptr_t fb_palette_addr;
			uint16_t fb_palette_nr_colours;
		};
	};
};

struct framebuffer_fixedinfo {
	uint64_t fb_baseptr;
};

#endif