If the client and server are using identical pixel formats, then perform Tight decoding directly into the viewer's back buffer, rather than going through the slow fillRect/imageRect routines.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4757 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/PixelFormat.cxx b/common/rfb/PixelFormat.cxx
index c5bec82..f707322 100644
--- a/common/rfb/PixelFormat.cxx
+++ b/common/rfb/PixelFormat.cxx
@@ -225,6 +225,61 @@
}
+void PixelFormat::bufferFromRGB(rdr::U8 *dst, const rdr::U8* src,
+ int w, int pitch, int h, ColourMap* cm) const
+{
+ if (is888()) {
+ // Optimised common case
+ int rindex, gindex, bindex;
+
+ if (bigEndian) {
+ rindex = (24 - redShift)/8;
+ gindex = (24 - greenShift)/8;
+ bindex = (24 - blueShift)/8;
+ } else {
+ rindex = redShift/8;
+ gindex = greenShift/8;
+ bindex = blueShift/8;
+ }
+
+ int dstPad = pitch - w * 4;
+ while (h > 0) {
+ rdr::U8 *dstEndOfRow = (rdr::U8 *)dst + w * 4;
+ while (dst < dstEndOfRow) {
+ dst[rindex] = *(src++);
+ dst[gindex] = *(src++);
+ dst[bindex] = *(src++);
+ dst += 4;
+ }
+ dst += dstPad;
+ h--;
+ }
+ } else {
+ // Generic code
+ Pixel p;
+ rdr::U8 r, g, b;
+ int pixelSize = bpp/8;
+
+ int dstPad = pitch - w * pixelSize;
+ while (h > 0) {
+ rdr::U8 *dstEndOfRow = (rdr::U8 *)dst + w * pixelSize;
+ while (dst < dstEndOfRow) {
+ r = *(src++);
+ g = *(src++);
+ b = *(src++);
+
+ p = pixelFromRGB(r, g, b, cm);
+
+ bufferFromPixel(dst, p);
+ dst += pixelSize;
+ }
+ dst += dstPad;
+ h--;
+ }
+ }
+}
+
+
void PixelFormat::rgbFromPixel(Pixel p, ColourMap* cm, Colour* rgb) const
{
rdr::U16 r, g, b;