cce75f1859
These were written against the shaders at revision eddd724e7.
There have been changes made since then, which will need to be mirrored.
See `data/hlsl/README.md` for the current status of each sample.
25 lines
No EOL
655 B
GLSL
25 lines
No EOL
655 B
GLSL
// Copyright 2020 Google LLC
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struct RayPayload {
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float3 color;
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float distance;
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float3 normal;
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float reflector;
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};
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[shader("miss")]
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void main(inout RayPayload rayPayload)
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{
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float3 worldRayDirection = WorldRayDirection();
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// View-independent background gradient to simulate a basic sky background
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const float3 gradientStart = float3(0.5, 0.6, 1.0);
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const float3 gradientEnd = float3(1.0, 1.0, 1.0);
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float3 unitDir = normalize(worldRayDirection);
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float t = 0.5 * (unitDir.y + 1.0);
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rayPayload.color = (1.0-t) * gradientStart + t * gradientEnd;
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rayPayload.distance = -1.0f;
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rayPayload.normal = float3(0, 0, 0);
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rayPayload.reflector = 0.0f;
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} |