267 lines
10 KiB
HLSL
267 lines
10 KiB
HLSL
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#ifndef POI_VIDEO
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#define POI_VIDEO
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UNITY_DECLARE_TEX2D_NOSAMPLER(_VideoPixelTexture); float4 _VideoPixelTexture_ST;
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UNITY_DECLARE_TEX2D_NOSAMPLER(_VideoMaskTexture); float4 _VideoMaskTexture_ST;
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uint _VideoUVNumber;
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uint _VideoType;
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float3 pixels;
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float2 _VideoResolution;
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sampler2D _VideoGameboyRamp;
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half _VideoBacklight;
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half _VideoCRTRefreshRate;
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half _VideoCRTPixelEnergizedTime;
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half _VideoEnableVideoPlayer;
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half _VideoRepeatVideoTexture;
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half _VideoPixelateToResolution;
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float2 _VideoMaskPanning;
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// Video Settings
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half _VideoSaturation;
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half _VideoContrast;
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float2 _VideoTiling;
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float2 _VideoOffset;
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float2 _VideoPanning;
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//Debug
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half _VideoEnableDebug;
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UNITY_DECLARE_TEX2D_NOSAMPLER(_VideoDebugTexture); float4 _VideoDebugTexture_ST;
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sampler2D _VRChat_VideoPlayer;
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float4 _VRChat_VideoPlayer_TexelSize;
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float4 globalVideoPlayerColor;
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float3 globalColorToDisplayOnScreen;
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float globalVideoOn;
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float3 globalVideoEmission;
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float3 applyBacklight(float3 finalColor, half backlightStrength)
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{
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return max(backlightStrength, finalColor.rgb);
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}
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float3 applyViewAngleTN(float3 finalColor)
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{
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float3 reflectionVector = normalize(reflect(poiCam.viewDir.rgb, poiMesh.normals[1].rgb));
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float upwardShift = dot(reflectionVector, poiMesh.binormal);
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upwardShift = pow(upwardShift, 1);
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float sideShift = dot(reflectionVector, poiMesh.tangent);
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sideShift *= pow(sideShift, 3);
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#if !UNITY_COLORSPACE_GAMMA
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finalColor = LinearToGammaSpace(finalColor);
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#endif
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finalColor = saturate(lerp(half3(0.5, 0.5, 0.5), finalColor, upwardShift + 1));
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#if !UNITY_COLORSPACE_GAMMA
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finalColor = GammaToLinearSpace(finalColor);
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#endif
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finalColor = (lerp(finalColor, finalColor.gbr, sideShift));
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return finalColor;
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}
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float calculateCRTPixelBrightness()
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{
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float totalPixels = _VideoResolution.x * _VideoResolution.y;
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float2 uvPixel = float2((floor((1 - poiMesh.uv[_VideoUVNumber].y) * _VideoResolution.y)) / _VideoResolution.y, (floor(poiMesh.uv[_VideoUVNumber].x * _VideoResolution.x)) / _VideoResolution.x);
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float currentPixelNumber = _VideoResolution.x * (_VideoResolution.y * uvPixel.x) + _VideoResolution.y * uvPixel.y;
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float currentPixelAlpha = currentPixelNumber / totalPixels;
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half electronBeamAlpha = frac(_Time.y * _VideoCRTRefreshRate);
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float electronBeamPixelNumber = totalPixels * electronBeamAlpha;
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float DistanceInPixelsFromCurrentElectronBeamPixel = 0;
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if (electronBeamPixelNumber >= currentPixelNumber)
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{
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DistanceInPixelsFromCurrentElectronBeamPixel = electronBeamPixelNumber - currentPixelNumber;
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}
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else
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{
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DistanceInPixelsFromCurrentElectronBeamPixel = electronBeamPixelNumber + (totalPixels - currentPixelNumber);
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}
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float CRTFrameTime = 1 / _VideoCRTRefreshRate;
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float timeSincecurrentPixelWasHitByElectronBeam = (DistanceInPixelsFromCurrentElectronBeamPixel / totalPixels);
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return saturate(_VideoCRTPixelEnergizedTime - timeSincecurrentPixelWasHitByElectronBeam);
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}
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void applyContrastSettings(inout float3 pixel)
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{
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#if !UNITY_COLORSPACE_GAMMA
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pixel = LinearToGammaSpace(pixel);
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#endif
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pixel = saturate(lerp(half3(0.5, 0.5, 0.5), pixel, _VideoContrast + 1));
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#if !UNITY_COLORSPACE_GAMMA
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pixel = GammaToLinearSpace(pixel);
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#endif
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}
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void applySaturationSettings(inout float3 pixel)
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{
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pixel = lerp(pixel.rgb, dot(pixel.rgb, float3(0.3, 0.59, 0.11)), -_VideoSaturation);
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}
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void applyVideoSettings(inout float3 pixel)
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{
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applySaturationSettings(pixel);
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applyContrastSettings(pixel);
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}
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void calculateLCD(inout float4 finalColor)
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{
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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globalColorToDisplayOnScreen = applyBacklight(globalColorToDisplayOnScreen, _VideoBacklight * .01);
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applyVideoSettings(globalColorToDisplayOnScreen);
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finalColor.rgb = globalColorToDisplayOnScreen * pixels * _VideoBacklight;
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}
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void calculateTN(inout float4 finalColor)
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{
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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globalColorToDisplayOnScreen = applyBacklight(globalColorToDisplayOnScreen, _VideoBacklight * .01);
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globalColorToDisplayOnScreen = applyViewAngleTN(globalColorToDisplayOnScreen);
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applyVideoSettings(globalColorToDisplayOnScreen);
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finalColor.rgb = globalColorToDisplayOnScreen * pixels * _VideoBacklight;
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}
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void calculateCRT(inout float4 finalColor)
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{
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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float brightness = calculateCRTPixelBrightness();
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applyVideoSettings(globalColorToDisplayOnScreen);
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finalColor.rgb = globalColorToDisplayOnScreen * pixels * brightness * _VideoBacklight;
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}
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void calculateOLED(inout float4 finalColor)
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{
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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applyVideoSettings(globalColorToDisplayOnScreen);
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finalColor.rgb = globalColorToDisplayOnScreen * pixels * _VideoBacklight;
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}
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void calculateGameboy(inout float4 finalColor)
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{
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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applyVideoSettings(globalColorToDisplayOnScreen);
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half brightness = saturate((globalColorToDisplayOnScreen.r + globalColorToDisplayOnScreen.g + globalColorToDisplayOnScreen.b) * .3333333);
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finalColor.rgb = tex2D(_VideoGameboyRamp, brightness);
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}
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void calculateProjector(inout float4 finalColor, float4 finalColorBeforeLighting)
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{
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 0)
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{
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globalColorToDisplayOnScreen = finalColor;
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}
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applyVideoSettings(globalColorToDisplayOnScreen);
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float3 projectorColor = finalColorBeforeLighting * globalColorToDisplayOnScreen * _VideoBacklight;
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finalColor.r = clamp(projectorColor.r, finalColor.r, 1000);
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finalColor.g = clamp(projectorColor.g, finalColor.g, 1000);
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finalColor.b = clamp(projectorColor.b, finalColor.b, 1000);
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}
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void applyScreenEffect(inout float4 finalColor, float4 finalColorBeforeLighting)
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{
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float4 finalColorBeforeScreen = finalColor;
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pixels = UNITY_SAMPLE_TEX2D_SAMPLER(_VideoPixelTexture, _MainTex, TRANSFORM_TEX(poiMesh.uv[_VideoUVNumber], _VideoPixelTexture) * _VideoResolution);
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globalVideoOn = 0;
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UNITY_BRANCH
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if(_VideoEnableVideoPlayer == 1)
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{
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float4 videoTexture = 0;
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UNITY_BRANCH
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if(_VideoPixelateToResolution)
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{
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UNITY_BRANCH
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if(_VideoEnableDebug)
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{
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videoTexture = UNITY_SAMPLE_TEX2D_SAMPLER(_VideoDebugTexture, _MainTex, round(TRANSFORM_TEX(poiMesh.uv[_VideoUVNumber], _VideoDebugTexture) * _VideoResolution + .5) / _VideoResolution);
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}
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else
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{
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videoTexture = tex2D(_VRChat_VideoPlayer, round(poiMesh.uv[_VideoUVNumber] * _VideoResolution + .5) / _VideoResolution);
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}
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}
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else
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{
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UNITY_BRANCH
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if(_VideoEnableDebug)
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{
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videoTexture = UNITY_SAMPLE_TEX2D_SAMPLER(_VideoDebugTexture, _MainTex, TRANSFORM_TEX(poiMesh.uv[_VideoUVNumber], _VideoDebugTexture) * _VideoTiling + _VideoOffset);
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}
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else
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{
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videoTexture = tex2D(_VRChat_VideoPlayer, ((poiMesh.uv[_VideoUVNumber] + _Time.x * _VideoPanning) * _VideoTiling) + _VideoOffset);
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}
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}
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if(videoTexture.a == 1)
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{
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globalColorToDisplayOnScreen = videoTexture.rgb;
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globalVideoOn = 1;
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}
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}
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UNITY_BRANCH
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if(_VideoRepeatVideoTexture == 1)
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{
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if(poiMesh.uv[_VideoUVNumber].x > 1 || poiMesh.uv[_VideoUVNumber].x < 0 || poiMesh.uv[_VideoUVNumber].y > 1 || poiMesh.uv[_VideoUVNumber].y < 0)
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{
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return;
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}
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}
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switch(_VideoType)
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{
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case 0: // LCD
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{
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calculateLCD(finalColor);
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break;
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}
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case 1: // TN
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{
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calculateTN(finalColor);
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break;
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}
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case 2: // CRT
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{
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calculateCRT(finalColor);
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break;
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}
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case 3: // OLED
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{
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calculateOLED(finalColor);
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break;
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}
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case 4: // Gameboy
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{
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calculateGameboy(finalColor);
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break;
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}
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case 5: // Projector
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{
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calculateProjector(finalColor, finalColorBeforeLighting);
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break;
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}
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}
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float screenMask = UNITY_SAMPLE_TEX2D_SAMPLER(_VideoMaskTexture, _MainTex, TRANSFORM_TEX(poiMesh.uv[_VideoUVNumber], _VideoMaskTexture) + _Time.x * _VideoMaskPanning);
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finalColor = lerp(finalColorBeforeScreen, finalColor, screenMask);
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globalVideoEmission = finalColor.rgb;
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}
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#endif
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