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use minterm (ABC|ABNC|ANBC) only when necessary

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This commit is contained in:
Chris Young 2012-08-10 18:35:01 +01:00
parent 2364d68367
commit 7c9ac8980f
1 changed files with 6 additions and 6 deletions
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12
amiga/plotters.c
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@ -670,7 +670,7 @@ static bool ami_bitmap(int x, int y, int width, int height, struct bitmap *bitma
}
else
{
ULONG tag, tag_data, minterm;
ULONG tag, tag_data, minterm = 0xc0;
if(palette_mapped == false) {
tag = BLITA_UseSrcAlpha;
@ -678,8 +678,8 @@ static bool ami_bitmap(int x, int y, int width, int height, struct bitmap *bitma
minterm = 0xc0;
} else {
tag = BLITA_MaskPlane;
tag_data = (ULONG)ami_bitmap_get_mask(bitmap, width, height);
minterm = (ABC|ABNC|ANBC);
if(tag_data = (ULONG)ami_bitmap_get_mask(bitmap, width, height))
minterm = (ABC|ABNC|ANBC);
}
BltBitMapTags(BLITA_Width,width,
@ -830,7 +830,7 @@ static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct Ba
}
else
{
ULONG tag, tag_data, minterm;
ULONG tag, tag_data, minterm = 0xc0;
if(palette_mapped == false) {
tag = BLITA_UseSrcAlpha;
@ -838,8 +838,8 @@ static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct Ba
minterm = 0xc0;
} else {
tag = BLITA_MaskPlane;
tag_data = (ULONG)bfbm->mask;
minterm = (ABC|ABNC|ANBC);
if(tag_data = (ULONG)bfbm->mask)
minterm = (ABC|ABNC|ANBC);
}
BltBitMapTags(BLITA_Width, bfbm->width,