33 lines
733 B
GLSL
33 lines
733 B
GLSL
// Copyright (C) 2023 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include <metal_stdlib>
|
|
#include <simd/simd.h>
|
|
|
|
using namespace metal;
|
|
|
|
struct buf
|
|
{
|
|
float t;
|
|
};
|
|
|
|
struct main0_out
|
|
{
|
|
float4 fragColor [[color(0)]];
|
|
};
|
|
|
|
struct main0_in
|
|
{
|
|
float2 coords [[user(locn0)]];
|
|
};
|
|
|
|
fragment main0_out main0(main0_in in [[stage_in]], constant buf& ubuf [[buffer(0)]])
|
|
{
|
|
main0_out out = {};
|
|
float i = 1.0 - (pow(abs(in.coords.x), 4.0) + pow(abs(in.coords.y), 4.0));
|
|
i = smoothstep(ubuf.t - 0.800000011920928955078125, ubuf.t + 0.800000011920928955078125, i);
|
|
i = floor(i * 20.0) / 20.0;
|
|
out.fragColor = float4((in.coords * 0.5) + float2(0.5), i, i);
|
|
return out;
|
|
}
|