video.h

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#ifndef __VIDEO_H__
#define __VIDEO_H__
 
#include "xnldr.h"
#include "font.h"
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include "clib.h"
 
#define RGB(r, g, b)                                                                               \
    (((b) & 0xFF) | (((g) << 8) & 0xFF00) |                                                        \
     (((r) << 16) & 0xFF0000)) // ((r & 0xFF) | ((g << 8)&0xFF00) | ((b << 16)&0xFF0000))
 
#define RED(col) ((col >> 16) & 0xFF)
 
#define GREEN(col) ((col >> 8) & 0xFF)
 
#define BLUE(col) (col & 0xFF)
 
/*
 * XEInitialiseGraphics -- Initialise the screen and store graphics
 * information in fbinfo structure
 * @GraphicsOutput -- Pointer to Graphics Output protocol
 */
extern EFI_STATUS XEInitialiseGraphics(EFI_GRAPHICS_OUTPUT_PROTOCOL* GraphicsOutput);
/*
 * XEPutPixel -- puts a pixel on the screen
 * @param x -- x location of the screen
 * @param y -- y location of the screen
 * @param col -- color of the pixel
 */
extern void XEPutPixel(size_t x, size_t y, uint32_t col);
 
/*
 * XEGraphicsPutC -- put a character to the screen
 * @param str -- character to print
 */
extern void XEGraphicsPutC(char str);
 
/*
 * XEGraphicsPuts -- put string on the screen
 * @param str -- string to put
 */
extern void XEGraphicsPuts(const char* str);
 
/*
 * XEGraphicsClearScreen -- clear the entire screen
 * @param gop -- Pointer to Graphics Output Protocol
 */
extern void XEGraphicsClearScreen(EFI_GRAPHICS_OUTPUT_PROTOCOL* gop);
 
extern uint32_t* XEGetFramebuffer();
extern uint16_t XEGetScreenWidth();
extern uint16_t XEGetScreenHeight();
extern size_t XEGetFramebufferSz();
extern size_t XEGetPixelsPerLine();
extern uint32_t XEGetRedMask();
extern uint32_t XEGetBlueMask();
extern uint32_t XEGetGreenMask();
extern uint32_t XEGetResvMask();
 
#endif