ab21dfb25b
In some cases, the compiler decided to emit continue block first, which invalidated the expressions used by the condition. Parameters to functions can be evaluated in any order which caused "random" behavior.
49 lines
1007 B
GLSL
49 lines
1007 B
GLSL
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Light
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{
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float3 Position;
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float Radius;
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float4 Color;
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};
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struct UBO
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{
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float4x4 uMVP;
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Light lights[4];
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};
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struct main0_in
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{
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float4 aVertex [[attribute(0)]];
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float3 aNormal [[attribute(1)]];
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};
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struct main0_out
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{
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float4 vColor [[user(locn0)]];
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float4 gl_Position [[position]];
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float gl_PointSize;
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};
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vertex main0_out main0(main0_in in [[stage_in]], constant UBO& _21 [[buffer(0)]])
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{
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main0_out out = {};
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out.gl_Position = _21.uMVP * in.aVertex;
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out.vColor = float4(0.0);
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for (int i = 0; i < 4; i++)
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{
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Light light;
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light.Position = _21.lights[i].Position;
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light.Radius = _21.lights[i].Radius;
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light.Color = _21.lights[i].Color;
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float3 L = in.aVertex.xyz - light.Position;
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out.vColor += ((_21.lights[i].Color * clamp(1.0 - (length(L) / light.Radius), 0.0, 1.0)) * dot(in.aNormal, normalize(L)));
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}
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return out;
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}
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