34 lines
1.3 KiB
HLSL
34 lines
1.3 KiB
HLSL
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Required for compatibility between Unity 5.2, 5.3.3 and 5.4.
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// Tranforms position from object to homogenous space
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inline float4 GvrUnityObjectToClipPos(in float3 pos) {
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#if defined(UNITY_5_4_OR_NEWER)
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return UnityObjectToClipPos(pos);
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#else
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#if defined(UNITY_SINGLE_PASS_STEREO) || defined(UNITY_USE_CONCATENATED_MATRICES)
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// More efficient than computing M*VP matrix product
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return mul(UNITY_MATRIX_VP, mul(unity_ObjectToWorld, float4(pos, 1.0)));
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#else
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return UnityObjectToClipPos(float4(pos, 1.0));
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#endif // defined(UNITY_SINGLE_PASS_STEREO) || defined(UNITY_USE_CONCATENATED_MATRICES)
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#endif // defined(UNITY_5_4_OR_NEWER)
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}
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