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diff -urN qt-2.3.10/configure qt-2.3.10_mod/configure
--- qt-2.3.10/configure 2005-01-23 08:00:36.000000000 -0600
+++ qt-2.3.10_mod/configure 2006-10-21 23:13:29.000000000 -0500
@@ -805,7 +805,8 @@
echo " 4. 4bpp grayscale - also enables 8bpp"
echo " 8. 8bpp"
echo " 16. 16bpp"
- echo " 24. 24bpp - also enables 32bpp"
+ echo " 18. 18bpp - packed into 24bpp, cannot be enabled with 24bpp"
+ echo " 24. 24bpp - also enables 32bpp, cannot be enabled with 18bpp"
echo " 32. 32bpp"
echo
echo "Each depth adds around 100Kb on 80386."
@@ -830,7 +831,7 @@
if [ -n "$DEPTHS" ]
then
- DV=;D4=;D8=;D16=;D24=;D32=
+ DV=;D4=;D8=;D16=;D18=;D24=;D32=
for D in `echo "$DEPTHS" | sed -e 's/,/ /g'`
do
case "$D" in
@@ -838,10 +839,20 @@
;; 4) D4=y; D8=y
;; 8) D8=y
;; 16) D16=y
+ ;; 18) D18=y
;; 24) D24=y; D32=y
;; 32) D32=y
esac
done
+
+ if [ ! -z "$D18" -a ! -z "$D24" ]
+ then
+ echo
+ echo "WARNING: You have configured with depth 18 and 24."
+ echo " These depths are not compatible. Depth 24"
+ echo " will be disabled."
+ fi
+
if [ -z "$DV" ]
then
QT_CXX="$QT_CXX -DQT_NO_QWS_VGA_16"
@@ -858,9 +869,19 @@
then
QT_CXX="$QT_CXX -DQT_NO_QWS_DEPTH_16"
fi
+ if [ -z "$D18" ]
+ then
+ QT_CXX="$QT_CXX -DQT_NO_QWS_DEPTH_18"
+ fi
if [ -z "$D24" ]
then
QT_CXX="$QT_CXX -DQT_NO_QWS_DEPTH_24"
+ else
+ # Disable depth 24 if depth 18 enabled
+ if [ ! -z "$D18" ]
+ then
+ QT_CXX="$QT_CXX -DQT_NO_QWS_DEPTH_24"
+ fi
fi
if [ -z "$D32" ]
then
@@ -1326,7 +1347,7 @@
default ($QCONFIG).
-depths list ....... Comma-separated list of supported bit-per-pixel
- depths, from: v, 4, 8, 16, 24, and 32. 'v' is VGA16.
+ depths, from: v, 4, 8, 16, 18, 24, and 32. 'v' is VGA16.
-accel-snap ........ Enable SciTech SNAP Graphics acceleration.
-accel-voodoo3 ..... Enable Voodoo3 acceleration.
diff -urN qt-2.3.10/src/kernel/qgfxlinuxfb_qws.cpp qt-2.3.10_mod/src/kernel/qgfxlinuxfb_qws.cpp
--- qt-2.3.10/src/kernel/qgfxlinuxfb_qws.cpp 2011-04-09 18:48:17.000000000 +0100
+++ qt-2.3.10_mod/src/kernel/qgfxlinuxfb_qws.cpp 2011-04-09 18:54:45.000000000 +0100
@@ -134,6 +134,10 @@
}
d=vinfo.bits_per_pixel;
+ // 18-bpp-support
+ if ((d == 18) || (d == 19))
+ d = 24;
+ // End of 18-bpp-support
lstep=finfo.line_length;
int xoff = vinfo.xoffset;
int yoff = vinfo.yoffset;
@@ -427,6 +431,15 @@
gbits=6;
bbits=5;
break;
+ // 18-bpp-support
+ case 18: case 19:
+ rbits=6;
+ gbits=6;
+ bbits=6;
+ vinfo.bits_per_pixel=24;
+ startupd=24;
+ break;
+ // End of 18-bpp-support
case 24: case 32:
rbits=gbits=bbits=8;
break;
@@ -819,6 +832,10 @@
w=vinfo.xres;
h=vinfo.yres;
d=vinfo.bits_per_pixel;
+ // 18-bpp-support
+ if ((d == 18) || (d == 19))
+ d = 24;
+ // End of 18-bpp-support
lstep=finfo.line_length;
size=h*lstep;
}
diff -urN qt-2.3.10/src/kernel/qgfxraster_qws.cpp qt-2.3.10_mod/src/kernel/qgfxraster_qws.cpp
--- qt-2.3.10/src/kernel/qgfxraster_qws.cpp 2005-01-23 08:00:47.000000000 -0600
+++ qt-2.3.10_mod/src/kernel/qgfxraster_qws.cpp 2006-10-22 08:38:38.000000000 -0500
@@ -161,25 +161,51 @@
#endif
#define MASK4BPP(x) (0xf0 >> (x))
-
+// 18-bpp-support
inline void gfxSetRgb24( unsigned char *d, unsigned int p )
{
- *d = p & 0x0000ff;
+#ifdef QT_NO_QWS_DEPTH_18
+ *d = p & 0x000ff;
*(d+1) = (p & 0x00ff00 ) >> 8;
*(d+2) = (p & 0xff0000 ) >> 16;
+#else
+ uint b = (p & 0x0000ff) >> 0;
+ uint g = (p & 0x00ff00) >> 8;
+ uint r = (p & 0xff0000) >> 16;
+ uint data = (b>>2) | ((g>>2) << 6) | ((r>>2) << 12);
+ *d = data & 0xff;
+ *(d+1) = (data >> 8) & 0xff;
+ *(d+2) = (data >> 16) & 0xff;
+#endif
}
inline void gfxSetRgb24( unsigned char *d, int r, int g, int b )
{
+#ifdef QT_NO_QWS_DEPTH_18
*d = b;
*(d+1) = g;
*(d+2) = r;
+#else
+ uint data = (b>>2) | ((g>>2) << 6) | ((r>>2) << 12);
+ *d = data & 0xff;
+ *(d+1) = (data >> 8) & 0xff;
+ *(d+2) = (data >> 16) & 0xff;
+#endif
}
inline unsigned int gfxGetRgb24( unsigned char *d )
{
+#ifdef QT_NO_QWS_DEPTH_18
return *d | (*(d+1)<<8) | (*(d+2)<<16);
+#else
+ uint data = *d | (*(d+1)<<8) | (*(d+2)<<16);
+ uint r = ((data >> 10) & 0xfc);
+ uint g = ((data >> 4) & 0xfc);
+ uint b = ((data << 2) & 0xfc);
+ return b | (g << 8) | (r << 16);
+#endif
}
+// End of 18-bpp-support
static bool simple_8bpp_alloc=FALSE;
@@ -1767,11 +1793,12 @@
} else {
(*srcdata)+=4;
}
-#if !defined( QT_NO_QWS_DEPTH_24 )
+// 18-bpp hack (mlk)
+//#if !defined( QT_NO_QWS_DEPTH_24 )
} else if(sdepth==24) {
ret = gfxGetRgb24( *srcdata );
(*srcdata) += 3;
-#endif
+//#endif
#if !defined( QT_NO_IMAGE_16_BIT ) || !defined( QT_NO_QWS_DEPTH_16 )
} else if(sdepth==16) {
unsigned short int hold=*((unsigned short int *)(*srcdata));
@@ -3963,9 +3990,22 @@
unsigned char *alphaptr = (unsigned char *)alphabuf;
unsigned char *avp = alphas;
int loopc;
-
+// 18-bpp-support
+#ifdef QT_NO_QWS_DEPTH_18
memcpy( alphabuf, myptr+x1*3, w*3 );
-
+#else
+ { uchar *srcptr24 = myptr+x1*3;
+ uchar *dstptr24 = (uchar*)alphabuf;
+ for ( int i = 0; i < w; i++ ) {
+ uint pix = gfxGetRgb24(srcptr24);
+ dstptr24[2] = (pix >> 16) & 0xff;
+ dstptr24[1] = (pix >> 8) & 0xff;
+ dstptr24[0] = (pix >> 0) & 0xff;
+ srcptr24 += 3;
+ dstptr24 += 3;
+ } }
+#endif
+// End of 18-bpp-support
// Now blend with source data
unsigned char * srcptr=srcdata;
unsigned int srcval;
@@ -5808,10 +5848,10 @@
} else if(d==8) {
ret = new QGfxRaster<8,0>(bytes,w,h);
#endif
-#ifndef QT_NO_QWS_DEPTH_24
+//#ifndef QT_NO_QWS_DEPTH_24
} else if(d==24) {
ret = new QGfxRaster<24,0>(bytes,w,h);
-#endif
+//#endif
#ifndef QT_NO_QWS_DEPTH_32
} else if(d==32) {
ret = new QGfxRaster<32,0>(bytes,w,h);
diff -urN qt-2.3.10/src/kernel/qgfxtransformed_qws.cpp qt-2.3.10_mod/src/kernel/qgfxtransformed_qws.cpp
--- qt-2.3.10/src/kernel/qgfxtransformed_qws.cpp 2005-01-23 08:00:46.000000000 -0600
+++ qt-2.3.10_mod/src/kernel/qgfxtransformed_qws.cpp 2006-10-22 00:57:27.000000000 -0500
@@ -1020,10 +1020,10 @@
} else if (d==8) {
ret = new QGfxTransformedRaster<8,0>(bytes,w,h);
#endif
-#ifndef QT_NO_QWS_DEPTH_24
+//#ifndef QT_NO_QWS_DEPTH_24
} else if (d==24) {
ret = new QGfxTransformedRaster<24,0>(bytes,w,h);
-#endif
+//#endif
#ifndef QT_NO_QWS_DEPTH_32
} else if (d==32) {
ret = new QGfxTransformedRaster<32,0>(bytes,w,h);
diff -urN qt-2.3.10/src/kernel/qgfxvfb_qws.cpp qt-2.3.10_mod/src/kernel/qgfxvfb_qws.cpp
--- qt-2.3.10/src/kernel/qgfxvfb_qws.cpp 2005-01-23 08:00:47.000000000 -0600
+++ qt-2.3.10_mod/src/kernel/qgfxvfb_qws.cpp 2006-10-22 00:19:30.000000000 -0500
@@ -288,10 +288,14 @@
d = hdr->depth;
lstep = hdr->linestep;
-#ifdef DEBUG
+//#ifdef DEBUG
qDebug( "Connected to VFB server: %d x %d x %d", w, h, d );
-#endif
+//#endif
+// 18-bpp-support
+ if ( (d == 18) || (d == 19) )
+ d = 24;
+// End of 18-bpp-support
size = lstep * h;
mapsize = size;
screencols = hdr->numcols;
@@ -434,6 +438,15 @@
else
ret = new QGfxRaster<32,0>(bytes,w,h);
#endif
+// 18-bpp-support
+//#ifndef QT_NO_QWS_DEPTH_24
+ } else if (d==24) {
+ if ( bytes == qt_screen->base() )
+ ret = new QGfxVFb<24,0>(bytes,w,h);
+ else
+ ret = new QGfxRaster<24,0>(bytes,w,h);
+//#endif
+// 18-bpp-support
} else {
qFatal("Can't drive depth %d",d);
}
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