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Small optimization in the TRANSPARENTCOMP code.

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This commit is contained in:
Volker Ruppert 2019-12-30 21:40:40 +00:00
parent b6c1a4a919
commit 8b5586bb79
1 changed files with 8 additions and 10 deletions
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18
bochs/iodev/display/svga_cirrus.cc
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@ -2934,13 +2934,12 @@ void bx_svga_cirrus_c::svga_simplebitblt()
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
src = (Bit8u*)BX_CIRRUS_THIS bitblt.src;
dst = BX_CIRRUS_THIS bitblt.dst;
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x+=BX_CIRRUS_THIS bitblt.pixelwidth) {
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x++) {
if (*src != trcolor) {
(*BX_CIRRUS_THIS bitblt.rop_handler)(
dst, src, 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
(*BX_CIRRUS_THIS bitblt.rop_handler)(dst, src, 0, 0, 1, 1);
}
src += BX_CIRRUS_THIS bitblt.pixelwidth;
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
src++;
dst++;
}
BX_CIRRUS_THIS bitblt.src += BX_CIRRUS_THIS bitblt.srcpitch;
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;
@ -2951,14 +2950,13 @@ void bx_svga_cirrus_c::svga_simplebitblt()
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
src = (Bit8u*)BX_CIRRUS_THIS bitblt.src;
dst = BX_CIRRUS_THIS bitblt.dst;
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x+=BX_CIRRUS_THIS bitblt.pixelwidth) {
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x+=2) {
pxcolor = src[0] | (src[1] << 8);
if (pxcolor != trcolor) {
(*BX_CIRRUS_THIS bitblt.rop_handler)(
dst, src, 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
(*BX_CIRRUS_THIS bitblt.rop_handler)(dst, src, 0, 0, 2, 1);
}
src += BX_CIRRUS_THIS bitblt.pixelwidth;
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
src += 2;
dst += 2;
}
BX_CIRRUS_THIS bitblt.src += BX_CIRRUS_THIS bitblt.srcpitch;
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;