diff options
Diffstat (limited to 'uirdesktop/bsops.c')
| -rwxr-xr-x | uirdesktop/bsops.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/uirdesktop/bsops.c b/uirdesktop/bsops.c index 620e6002..310c9211 100755 --- a/uirdesktop/bsops.c +++ b/uirdesktop/bsops.c @@ -532,7 +532,7 @@ bs_screenblt(int rop, int x, int y, int cx, int cy, } /*****************************************************************************/ -void +int bs_memblt(int opcode, int x, int y, int cx, int cy, void * srcdata, int srcwidth, int srcheight, int srcx, int srcy) @@ -540,13 +540,16 @@ bs_memblt(int opcode, int x, int y, int cx, int cy, int i; int j; int p; + int rv; char * dst; char * src; + rv = 1; if (bs_warp_coords(&x, &y, &cx, &cy, &srcx, &srcy)) { if (opcode == 12) /* copy */ { + rv = 0; if (g_bs_Bpp == 1) { src = (char *) (((unsigned char *) srcdata) + srcy * srcwidth + srcx); @@ -564,6 +567,13 @@ bs_memblt(int opcode, int x, int y, int cx, int cy, dst = get_bs_ptr(x, y + i); if (dst != 0) { + if (!rv) + { + if (memcmp(dst, src, cx * g_bs_Bpp) != 0) + { + rv = 1; + } + } bs_copy_mem(dst, src, cx * g_bs_Bpp); src += srcwidth * g_bs_Bpp; } @@ -609,6 +619,7 @@ bs_memblt(int opcode, int x, int y, int cx, int cy, } } } + return rv; } /*****************************************************************************/ |