OrdinaryMagician/vkdoom_m
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Add a new blend mode for sprites

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This commit is contained in:
Magnus Norddahl 2016-11-30 07:49:04 +01:00
commit 03282c957b
7 changed files with 34 additions and 2 deletions
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10
tools/drawergen/fixedfunction/drawtrianglecodegen.cpp
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@ -670,6 +670,10 @@ SSAVec4i DrawTriangleCodegen::ProcessPixel32(SSAVec4i bg, SSAInt *varying)
fg = TranslateSample32(uvoffset);
output = blend_revsub(shade_bgra_simple(fg, currentlight), bg, srcalpha, calc_blend_bgalpha(fg, destalpha));
break;
case TriBlendMode::AddSrcColorOneMinusSrcColor:
fg = Sample32(uvoffset);
output = blend_add_srccolor_oneminussrccolor(shade_bgra_simple(fg, currentlight), bg);
break;
}
return output;
@ -771,6 +775,12 @@ SSAInt DrawTriangleCodegen::ProcessPixel8(SSAInt bg, SSAInt *varying)
output = ToPal8(blend_revsub(fg, ToBgra(bg), srcalpha, calc_blend_bgalpha(fg, destalpha)));
output = (palindex == SSAInt(0)).select(bg, output);
break;
case TriBlendMode::AddSrcColorOneMinusSrcColor:
palindex = Sample8(uvoffset);
fg = ToBgra(Shade8(palindex));
output = ToPal8(blend_add_srccolor_oneminussrccolor(fg, ToBgra(bg)));
output = (palindex == SSAInt(0)).select(bg, output);
break;
}
return output;