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2022-09-19 18:05:01 +08:00
commit 57051fc44b
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precision mediump float;
varying vec2 vTextureCoord; //接收从顶点着色器过来的参数
uniform sampler2D sTexture;//纹理内容数据
void main()
{
//给此片元从纹理中采样出颜色值
vec4 cTemp=texture2D(sTexture, vTextureCoord);
if(cTemp.r==0.0&&cTemp.g==0.0&&cTemp.b==0.0||cTemp.a==0.0)
{
gl_FragColor=vec4(0.3,0.3,0.3,0.0);
}
else
{
gl_FragColor = cTemp;
}
}