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https://github.com/TorqueGameEngines/Torque3D.git
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17 lines
502 B
HLSL
17 lines
502 B
HLSL
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#include "shaders/common/postFx/postFx.hlsl"
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#include "shadergen:/autogenConditioners.h"
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TORQUE_UNIFORM_SAMPLER2D(backBuffer, 0);
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uniform float gamma;
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uniform float numColors;
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float4 main(PFXVertToPix IN) : TORQUE_TARGET0
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{
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float3 base = TORQUE_TEX2D(backBuffer, IN.uv0).rgb;
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base = pow(base, float3(gamma, gamma, gamma));
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base = base * numColors;
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base = floor(base);
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base = base / numColors;
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base = pow(base, float3(1.0/gamma, 1.0/gamma, 1.0/gamma));
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return float4(base, 1.0);
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}
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