Use exact-at-power-of-two reciprocal for texture projection.

Change-Id: I1b3a4bb977ea5d311be6af9b6b8f04235b002dbe Reviewed-on: https://swiftshader-review.googlesource.com/16028Tested-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com>

Use exact-at-power-of-two reciprocal for texture projection.
af13df45 · Nicolas Capens · Nicolas Capens · d0e4c2d8 · af13df45
Commit af13df45 authored Jan 09, 2018 by Nicolas Capens Committed by Nicolas Capens Jan 10, 2018
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ShaderCore.cpp src/Shader/ShaderCore.cpp +1 -1

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--- a/src/Shader/ShaderCore.cpp
+++ b/src/Shader/ShaderCore.cpp
@@ -727,7 +727,7 @@ namespace sw
 	void ShaderCore::rcpx(Vector4f &dst, const Vector4f &src, bool pp)
 	{
-		Float4 rcp = reciprocal(src.x, pp, true);
+		Float4 rcp = reciprocal(src.x, pp, true, true);
 		dst.x = rcp;
 		dst.y = rcp;