112 lines
2.7 KiB
Plaintext
112 lines
2.7 KiB
Plaintext
struct FragmentInput
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{
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float4 position : SV_Position;
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float2 texCoord : TEXCOORD0;
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};
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struct ShaderContext
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{
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float2 uv;
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float4 sourceColor;
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float2 inputResolution;
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float2 outputResolution;
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float time;
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float utcTimeSeconds;
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float utcOffsetSeconds;
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float startupRandom;
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float frameCount;
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float mixAmount;
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float bypass;
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int sourceHistoryLength;
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int temporalHistoryLength;
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int feedbackAvailable;
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};
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cbuffer GlobalParams
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{
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float gTime;
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float2 gInputResolution;
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float2 gOutputResolution;
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float gUtcTimeSeconds;
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float gUtcOffsetSeconds;
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float gStartupRandom;
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float gFrameCount;
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float gMixAmount;
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float gBypass;
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int gSourceHistoryLength;
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int gTemporalHistoryLength;
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int gFeedbackAvailable;
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{{PARAMETER_UNIFORMS}}};
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Sampler2D<float4> gVideoInput;
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Sampler2D<float4> gLayerInput;
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{{SOURCE_HISTORY_SAMPLERS}}{{TEMPORAL_HISTORY_SAMPLERS}}{{FEEDBACK_SAMPLER}}{{TEXTURE_SAMPLERS}}
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{{TEXT_SAMPLERS}}
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float4 sampleVideo(float2 tc)
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{
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return gVideoInput.Sample(tc);
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}
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float4 sampleLayerInput(float2 tc)
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{
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return gLayerInput.Sample(tc);
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}
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float4 sampleSourceHistory(int framesAgo, float2 tc)
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{
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if (gSourceHistoryLength <= 0)
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return sampleVideo(tc);
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int clampedIndex = framesAgo;
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if (clampedIndex < 0)
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clampedIndex = 0;
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if (clampedIndex >= gSourceHistoryLength)
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clampedIndex = gSourceHistoryLength - 1;
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switch (clampedIndex)
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{
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{{SOURCE_HISTORY_SWITCH_CASES}} default: return sampleVideo(tc);
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}
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}
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float4 sampleTemporalHistory(int framesAgo, float2 tc)
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{
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if (gTemporalHistoryLength <= 0)
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return sampleVideo(tc);
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int clampedIndex = framesAgo;
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if (clampedIndex < 0)
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clampedIndex = 0;
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if (clampedIndex >= gTemporalHistoryLength)
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clampedIndex = gTemporalHistoryLength - 1;
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switch (clampedIndex)
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{
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{{TEMPORAL_HISTORY_SWITCH_CASES}} default: return sampleVideo(tc);
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}
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}
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{{FEEDBACK_HELPER}}
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{{TEXT_HELPERS}}
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#include "{{USER_SHADER_INCLUDE}}"
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[shader("fragment")]
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float4 fragmentMain(FragmentInput input) : SV_Target
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{
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ShaderContext context;
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context.uv = input.texCoord;
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context.sourceColor = sampleVideo(context.uv);
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context.inputResolution = gInputResolution;
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context.outputResolution = gOutputResolution;
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context.time = gTime;
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context.utcTimeSeconds = gUtcTimeSeconds;
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context.utcOffsetSeconds = gUtcOffsetSeconds;
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context.startupRandom = gStartupRandom;
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context.frameCount = gFrameCount;
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context.mixAmount = gMixAmount;
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context.bypass = gBypass;
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context.sourceHistoryLength = gSourceHistoryLength;
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context.temporalHistoryLength = gTemporalHistoryLength;
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context.feedbackAvailable = gFeedbackAvailable;
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float4 effectedColor = {{ENTRY_POINT_CALL}};
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float mixValue = clamp(gBypass > 0.5 ? 0.0 : gMixAmount, 0.0, 1.0);
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return lerp(context.sourceColor, effectedColor, mixValue);
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}
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