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#codereview michael.trepka, nick.whiting [CL 2094271 by Mark Satterthwaite in Main branch]
62 lines
2.7 KiB
Plaintext
62 lines
2.7 KiB
Plaintext
/************************************************************************************
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Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
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Licensed under the Oculus VR SDK License Version 2.0 (the "License");
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you may not use the Oculus VR SDK except in compliance with the License,
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which is provided at the time of installation or download, or which
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otherwise accompanies this software in either electronic or hard copy form.
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You may obtain a copy of the License at
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http://www.oculusvr.com/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, the Oculus VR SDK
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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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*************************************************************************************/
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/*=============================================================================
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PostProcessHMD.usf: PostProcessing shader to distort and chromaab correction
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for HMD devices
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=============================================================================*/
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#include "Common.usf"
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#include "PostProcessCommon.usf"
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#if USE_TIMEWARP
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#else
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float2 EyeToSrcUVScale;
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float2 EyeToSrcUVOffset;
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void MainVS(in float2 Position : ATTRIBUTE0, in float2 TexCoord0 : ATTRIBUTE1, in float2 TexCoord1 : ATTRIBUTE2, in float2 TexCoord2 : ATTRIBUTE3, in float4 Color : ATTRIBUTE4,
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out float4 OutPosition : SV_Position, out float4 OutColor : COLOR,
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out float2 OutTexCoord0 : TEXCOORD0, out float2 OutTexCoord1 : TEXCOORD1, out float2 OutTexCoord2 : TEXCOORD2)
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{
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OutPosition.xy = Position.xy;
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OutPosition.z = 0.5;
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OutPosition.w = 1.0;
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// Vertex inputs are in TanEyeAngle space for the R,G,B channels (i.e. after chromatic aberration and distortion).
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// Scale them into the correct [0-1],[0-1] UV lookup space (depending on eye)
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OutTexCoord0 = TexCoord0 * EyeToSrcUVScale + EyeToSrcUVOffset;
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OutTexCoord1 = TexCoord1 * EyeToSrcUVScale + EyeToSrcUVOffset;
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OutTexCoord2 = TexCoord2 * EyeToSrcUVScale + EyeToSrcUVOffset;
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OutColor = Color; // Used for vignette fade.
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}
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void MainPS(in float4 Position : SV_Position, in float4 Color : COLOR,
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in float2 TexCoord0 : TEXCOORD0, in float2 TexCoord1 : TEXCOORD1, in float2 TexCoord2 : TEXCOORD2, out float4 OutColor : SV_Target0)
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{
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float ResultR = Texture2DSample(PostprocessInput0, PostprocessInput0Sampler, TexCoord0).r;
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float ResultG = Texture2DSample(PostprocessInput0, PostprocessInput0Sampler, TexCoord1).g;
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float ResultB = Texture2DSample(PostprocessInput0, PostprocessInput0Sampler, TexCoord2).b;
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OutColor = float4(ResultR * Color.r, ResultG * Color.g, ResultB * Color.b, 1.0);
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}
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#endif
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