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Add --hlsl-dx-position-w option

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This reciprocates the w component of SV_Position in HLSL fragment shaders
to provide DirectX compatibility for HLSL shaders in Vulkan.

Fixes #2244
This commit is contained in:
Greg Fischer
2021-11-16 18:42:12 -07:00
parent 8a7860e4cb
commit e9564feb55
9 changed files with 323 additions and 2 deletions
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7
Test/runtests
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@@ -254,6 +254,13 @@ diff -b $BASEDIR/hlsl.y-negate-2.vert.out $TARGETDIR/hlsl.y-negate-2.vert.out ||
run -H -e main -V -D -Od -H -i --invert-y hlsl.y-negate-3.vert > $TARGETDIR/hlsl.y-negate-3.vert.out
diff -b $BASEDIR/hlsl.y-negate-3.vert.out $TARGETDIR/hlsl.y-negate-3.vert.out || HASERROR=1
#
# Testing position W reciprocal
#
echo "Testing position W reciprocal"
run -H -e main -V -D -Od -H -i --hlsl-dx-position-w hlsl.w-recip.frag > $TARGETDIR/hlsl.w-recip.frag.out
diff -b $BASEDIR/hlsl.w-recip.frag.out $TARGETDIR/hlsl.w-recip.frag.out || HASERROR=1
#
# Testing hlsl_functionality1
#