11 个月前有人问过类似的问题，但没有得到答复，所以我决定再次提出这个问题，因为我也有同样的问题。
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Error
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[openfl.display.Shader] ERROR: Error compiling fragment shader
ERROR: 0:133: 'lerp_' : no matching overloaded function found
ERROR: 0:133: '' : compilation terminated
ERROR: 2 compilation errors. No code generated.
#ifdef GL_ES
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
#endif
varying float openfl_Alphav;
varying vec4 openfl_ColorMultiplierv;
varying vec4 openfl_ColorOffsetv;
varying vec2 openfl_TextureCoordv;
uniform bool openfl_HasColorTransform;
uniform vec2 openfl_TextureSize;
uniform sampler2D bitmap;
uniform bool hasTransform;
uniform bool hasColorTransform;
vec4 flixel_texture2D(sampler2D bitmap, vec2 coord)
{
vec4 color = texture2D(bitmap, coord);
if (!hasTransform)
{
return color;
}
if (color.a == 0.0)
{
return vec4(0.0, 0.0, 0.0, 0.0);
}
if (!hasColorTransform)
{
return color * openfl_Alphav;
}
color = vec4(color.rgb / color.a, color.a);
mat4 colorMultiplier = mat4(0);
colorMultiplier[0][0] = openfl_ColorMultiplierv.x;
colorMultiplier[1][1] = openfl_ColorMultiplierv.y;
colorMultiplier[2][2] = openfl_ColorMultiplierv.z;
colorMultiplier[3][3] = openfl_ColorMultiplierv.w;
color = clamp(openfl_ColorOffsetv + (color * colorMultiplier), 0.0, 1.0);
if (color.a > 0.0)
{
return vec4(color.rgb * color.a * openfl_Alphav, color.a * openfl_Alphav);
}
return vec4(0.0, 0.0, 0.0, 0.0);
}
#line 17
uniform float iTime;
uniform bool vignetteOn;
uniform bool perspectiveOn;
uniform bool distortionOn;
uniform bool scanlinesOn;
uniform bool vignetteMoving;
uniform float glitchModifier;
float rand(vec2 co){
return fract(sin(dot(co, vec2(12.9898, 78.233))) * 43758.5453);
}
float onOff(float a, float b, float c)
{
return step(c, sin(iTime + a*cos(iTime*b)));
}
float ramp(float y, float start, float end)
{
float inside = step(start,y) - step(end,y);
float fact = (y-start)/(end-start)*inside;
return (1.-fact) * inside;
}
vec4 getVideo(vec2 uv)
{
vec2 look = uv;
if(distortionOn){
float window = 1./(1.+20.*(look.y-mod(iTime/4.,1.))*(look.y-mod(iTime/4.,1.)));
look.x = look.x + (sin(look.y*10. + iTime)/50.*onOff(4.,4.,.3)*(1.+cos(iTime*80.))*window)*(glitchModifier*2.);
float vShift = 0.4*onOff(2.,3.,.9)*(sin(iTime)*sin(iTime*20.) +
(0.5 + 0.1*sin(iTime*200.)*cos(iTime)));
look.y = mod(look.y + vShift*glitchModifier, 1.);
}
vec4 video = flixel_texture2D(bitmap,look);
return video;
}
vec2 screenDistort(vec2 uv)
{
if(perspectiveOn){
uv = (uv - 0.5) * 2.0;
uv *= 1.1;
uv.x *= 1.0 + pow((abs(uv.y) / 5.0), 2.0);
uv.y *= 1.0 + pow((abs(uv.x) / 4.0), 2.0);
uv = (uv / 2.0) + 0.5;
uv = uv *0.92 + 0.04;
return uv;
}
return uv;
}
float random(vec2 uv)
{
return fract(sin(dot(uv, vec2(15.5151, 42.2561))) * 12341.14122 * sin(iTime * 0.03));
}
float noise(vec2 uv)
{
vec2 i = floor(uv);
vec2 f = fract(uv);
float a = random(i);
float b = random(i + vec2(1.,0.));
float c = random(i + vec2(0., 1.));
float d = random(i + vec2(1.));
vec2 u = smoothstep(0., 1., f);
return mix(a,b, u.x) + (c - a) * u.y * (1. - u.x) + (d - b) * u.x * u.y;
}
vec2 scandistort(vec2 uv) {
float scan1 = clamp(cos(uv.y * 2.0 + iTime), 0.0, 1.0);
float scan2 = clamp(cos(uv.y * 2.0 + iTime + 4.0) * 10.0, 0.0, 1.0) ;
float amount = scan1 * scan2 * uv.x;
uv.x -= 0.05 * mix(rand(uv+iTime) * amount, amount, 0.9);
return uv;
}
float lerp_(float a, float b, float t) {
return b*t + (1.0-t) * a;
}
void main()
{
vec2 uv = openfl_TextureCoordv;
vec2 curUV = screenDistort(uv);
uv = curUV; //scandistort(curUV);
vec4 video = getVideo(uv);
float vigAmt = 1.0;
float x = 0.;
#if 0
video.r = getVideo(vec2(x+uv.x+0.001,uv.y+0.001)).x+0.05;
video.g = getVideo(vec2(x+uv.x+0.000,uv.y-0.002)).y+0.05;
video.b = getVideo(vec2(x+uv.x-0.002,uv.y+0.000)).z+0.05;
video.r += 0.08*getVideo(0.75*vec2(x+0.025, -0.027)+vec2(uv.x+0.001,uv.y+0.001)).x;
video.g += 0.05*getVideo(0.75*vec2(x+-0.022, -0.02)+vec2(uv.x+0.000,uv.y-0.002)).y;
video.b += 0.08*getVideo(0.75*vec2(x+-0.02, -0.018)+vec2(uv.x-0.002,uv.y+0.000)).z;
#else
video = getVideo(vec2(x+uv.x+0.000,uv.y-0.002)) + 0.05;
#endif
video = clamp(video*0.6+0.4*video*video*1.0,0.0,1.0);
if(vignetteMoving)
vigAmt = 3.+.3*sin(iTime + 5.*cos(iTime*5.));
float vignette = (1.-vigAmt*(uv.y-.5)*(uv.y-.5))*(1.-vigAmt*(uv.x-.5)*(uv.x-.5));
if(vignetteOn)
video *= vec4(vec3(vignette), lerp_(vignette, 1.0, 1));
gl_FragColor = mix(video,vec4(noise(uv * 75.) * abs(sin(iTime)) ),.05);
if(curUV.x<0. || curUV.x>1. || curUV.y<0. || curUV.y>1.){
gl_FragColor = vec4(0,0,0,0);
}
}
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ОК
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CPU - Intel(R) Xeon(R) CPU X5650 @ 2.67GHz 2.66 GHz
内存 - 16,0 GB
系统类型 - 64 位操作系统，x64 CPU
Windows 10 版本 21H2
我几乎在任何使用着色器的 Friday Night Funkin' 模组中都遇到了此错误。（是的，是的，Friday Night Funkin'。看，此错误显然与任何简单模组无关 - 如果相关，它就不会到处发生！我会说 OpenFL 出了问题，因为每次都是同样的错误。）
知道该怎么办吗？这种情况已经持续了一段时间，只是我厌倦了这种情况，想让它恢复正常。这种情况已经持续了一段时间，所以我不记得当这种情况开始发生时我在做什么。
提前致谢！