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28 lines
748 B
GLSL
28 lines
748 B
GLSL
#include "core.h"
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#ifdef SH_VERTEX_SHADER
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SH_BEGIN_PROGRAM
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shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)
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shOutput(float, alphaFade)
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SH_START_PROGRAM
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{
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shOutputPosition = shMatrixMult(wvp, shInputPosition);
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alphaFade = shInputPosition.z < 150.0 ? 0.0 : 1.0;
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}
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#else
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SH_BEGIN_PROGRAM
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shInput(float, alphaFade)
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shUniform(float4, atmosphereColour) @shSharedParameter(atmosphereColour)
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shUniform(float4, horizonColour) @shSharedParameter(horizonColour, horizonColour)
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SH_START_PROGRAM
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{
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shOutputColour(0) = alphaFade * atmosphereColour + (1.f - alphaFade) * horizonColour;
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}
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#endif
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