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#ifndef DEF_VESADISPLAY_CLASS_H
#define DEF_VESADISPLAY_CLASS_H
#include <Devices/Display/GraphicDisplay.proto.h>
#include <TaskManager/V86/V86.ns.h>
struct vbe_controller_info_t {
char signature[4]; // == "VESA"
s16int version; // == 0x0300 for VBE 3.0
//s16int oemString[2]; // isa vbeFarPtr
FARPTR oemString;
u8int capabilities[4];
FARPTR videomodes;
s16int totalMemory; // as # of 64KB blocks
} __attribute__((packed));
struct vbe_mode_info_t {
u16int attributes;
u8int winA, winB;
u16int granularity;
u16int winsize;
u16int segmentA, segmentB;
FARPTR realFctPtr;
u16int pitch; // bytes per scanline
u16int Xres, Yres;
u8int Wchar, Ychar, planes, bpp, banks;
u8int memory_model, bank_size, image_pages;
u8int reserved0;
u8int red_mask, red_position;
u8int green_mask, green_position;
u8int blue_mask, blue_position;
u8int rsv_mask, rsv_position;
u8int directcolor_attributes;
u32int physbase; // your LFB address ;)
u32int reserved1;
u16int reserved2;
} __attribute__ ((packed));
class VESADisplay : public GraphicDisplay {
private:
vbe_controller_info_t getCtrlrInfo();
vbe_mode_info_t getModeInfo(u16int mode);
vbe_mode_info_t m_currMode;
int b, m_pixWidth;
struct {
u32int pixels;
u16int color;
} m_8bitPalette[256];
u8int *m_fb;
u8int* memPos(u16int x, u16int y) {
u32int addr = y * m_currMode.pitch + x * m_pixWidth;
return ((u8int*)m_fb) + addr;
}
u8int get8Bit(u32int color);
void setPalette(u8int id, u32int color);
public:
String getClass();
String getName();
void getModes(Vector<Disp::mode_t> &to);
bool setMode(Disp::mode_t& mode);
void unsetMode();
void clear();
void putPix(u16int x, u16int y, u32int color);
u32int getPix(u16int x, u16int y);
//Advanced graphical functions, recoded for being optimized
virtual void drawChar(u16int line, u16int col, WChar c, u8int color);
};
#endif
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