From 34fae1afd39e5adeb968705792429f5544bdb2ba Mon Sep 17 00:00:00 2001 From: REDDRAGON Date: Mon, 23 Apr 2018 20:23:11 +0200 Subject: [PATCH] Refactor --- MAGE/Shaders/shaders/unit_vector.hlsli | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/MAGE/Shaders/shaders/unit_vector.hlsli b/MAGE/Shaders/shaders/unit_vector.hlsli index dc4b4efea..9ecd40793 100644 --- a/MAGE/Shaders/shaders/unit_vector.hlsli +++ b/MAGE/Shaders/shaders/unit_vector.hlsli @@ -75,9 +75,10 @@ float3 DecodeUnitVector_XY(float2 e_unorm) { @return The encoded unit vector in the [-1,1] range. */ float2 EncodeUnitVector_Spherical(float3 u) { - const float phi = atan2(u.y, u.x); - const float cos_theta = u.z; - return SNORMtoUNORM(float2(phi * g_inv_pi, cos_theta)); + const float phi = atan2(u.y, u.x); + const float cos_theta = u.z; + const float2 e_snorm = float2(phi * g_inv_pi, cos_theta); + return SNORMtoUNORM(e_snorm); } /** @@ -165,8 +166,8 @@ float3 DecodeUnitVector_Octahedron(float2 e_unorm) { const float2 e_snorm = UNORMtoSNORM(e_unorm); const float3 e0 = float3(e_snorm.x, e_snorm.y, 1.0f - abs(e_snorm.x) - abs(e_snorm.y)); - const float t = saturate(-e0.z); - const float2 u_xy = e0.xy + (0.0f <= e0.xy ? -t : t); + const float s = saturate(-e0.z); + const float2 u_xy = e0.xy + (0.0f <= e0.xy ? -s : s); return normalize(float3(u_xy, e0.z)); }