17 lines
452 B
Bash
17 lines
452 B
Bash
precision mediump float;
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varying vec2 vTextureCoord; //接收从顶点着色器过来的参数
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uniform sampler2D sTexture;//纹理内容数据
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void main()
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{
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//给此片元从纹理中采样出颜色值
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vec4 cTemp=texture2D(sTexture, vTextureCoord);
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if(cTemp.r==0.0&&cTemp.g==0.0&&cTemp.b==0.0||cTemp.a==0.0)
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{
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gl_FragColor=vec4(0.3,0.3,0.3,0.0);
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}
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else
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{
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gl_FragColor = cTemp;
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}
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} |