WebSVN – HelenOS-historic – Diff – /kernel/trunk/genarch/src/fb/fb.c



/** Put pixel - 24-bit depth */
static void putpixel_3byte(unsigned int x, unsigned int y, int color)
{
    unsigned int startbyte = POINTPOS(x, y);
 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
    fbaddress[startbyte] = RED(color, 8);
    fbaddress[startbyte + 1] = GREEN(color, 8);
    fbaddress[startbyte + 2] = BLUE(color, 8);
#else
    fbaddress[startbyte + 2] = RED(color, 8);

/** Return pixel color - 24-bit depth */
static int getpixel_3byte(unsigned int x, unsigned int y)
{
    unsigned int startbyte = POINTPOS(x, y);
 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
    return fbaddress[startbyte] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 2];
#else
    return fbaddress[startbyte + 2] << 16 | fbaddress[startbyte + 1] << 8 | fbaddress[startbyte + 0];
#endif  
}

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/genarch/src/fb/fb.c – Rev 1327 → 1334

Rev 1327		Rev 1334
Line 89...		Line 89...
89	/** Put pixel - 24-bit depth */	89	/** Put pixel - 24-bit depth */
90	static void putpixel_3byte(unsigned int x, unsigned int y, int color)	90	static void putpixel_3byte(unsigned int x, unsigned int y, int color)
91	{	91	{
92	unsigned int startbyte = POINTPOS(x, y);	92	unsigned int startbyte = POINTPOS(x, y);
93		93
94	#ifdef BIG_ENDIAN	94	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))
95	fbaddress[startbyte] = RED(color, 8);	95	fbaddress[startbyte] = RED(color, 8);
96	fbaddress[startbyte + 1] = GREEN(color, 8);	96	fbaddress[startbyte + 1] = GREEN(color, 8);
97	fbaddress[startbyte + 2] = BLUE(color, 8);	97	fbaddress[startbyte + 2] = BLUE(color, 8);
98	#else	98	#else
99	fbaddress[startbyte + 2] = RED(color, 8);	99	fbaddress[startbyte + 2] = RED(color, 8);
Line 105...		Line 105...
105	/** Return pixel color - 24-bit depth */	105	/** Return pixel color - 24-bit depth */
106	static int getpixel_3byte(unsigned int x, unsigned int y)	106	static int getpixel_3byte(unsigned int x, unsigned int y)
107	{	107	{
108	unsigned int startbyte = POINTPOS(x, y);	108	unsigned int startbyte = POINTPOS(x, y);
109		109
110	#ifdef BIG_ENDIAN	110	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))
111	return fbaddress[startbyte] << 16 \| fbaddress[startbyte + 1] << 8 \| fbaddress[startbyte + 2];	111	return fbaddress[startbyte] << 16 \| fbaddress[startbyte + 1] << 8 \| fbaddress[startbyte + 2];
112	#else	112	#else
113	return fbaddress[startbyte + 2] << 16 \| fbaddress[startbyte + 1] << 8 \| fbaddress[startbyte + 0];	113	return fbaddress[startbyte + 2] << 16 \| fbaddress[startbyte + 1] << 8 \| fbaddress[startbyte + 0];
114	#endif	114	#endif
115	}	115	}