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Fix Banshee host data size when source format is 1 bpp. Fixes some

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bad icon masks in Windows 98.
This commit is contained in:
SarahW 2020-08-12 18:07:04 +01:00
commit 11b29c7c18
1 changed files with 6 additions and 1 deletions
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7
src/vid_voodoo_banshee_blitter.c
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@ -561,7 +561,12 @@ static void banshee_do_host_to_screen_blt(voodoo_t *voodoo, int count, uint32_t
if ((voodoo->banshee_blt.srcFormat & SRC_FORMAT_PACKING_MASK) == SRC_FORMAT_PACKING_STRIDE)
{
int last_byte = (voodoo->banshee_blt.srcX & 3) + voodoo->banshee_blt.host_data_size_dest;
int last_byte;
if ((voodoo->banshee_blt.srcFormat & SRC_FORMAT_COL_MASK) == SRC_FORMAT_COL_1_BPP)
last_byte = (((voodoo->banshee_blt.srcX + 7) >> 3) & 3) + voodoo->banshee_blt.host_data_size_dest;
else
last_byte = (voodoo->banshee_blt.srcX & 3) + voodoo->banshee_blt.host_data_size_dest;
*(uint32_t *)&voodoo->banshee_blt.host_data[voodoo->banshee_blt.host_data_count] = data;
voodoo->banshee_blt.host_data_count += 4;