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13 lines
414 B
Text
13 lines
414 B
Text
#version 300 es
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precision mediump float;
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uniform sampler2D tex;
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uniform samplerCube cub;
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in mediump vec3 uv1;
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in highp vec3 uv2;
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out vec4 _fragColor;
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void main() {
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vec4 g1 = textureGrad(tex,uv1.xy,dFdx(uv1.xy),dFdy(uv1.xy)); // mediump UV
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vec4 g2 = textureGrad(tex,uv2.xy,dFdx(uv2.xy),dFdy(uv2.xy)); // highp UV
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vec4 g3 = textureGrad(tex,uv2.xy,uv1.xy,uv1.xy); // mediump gradient
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_fragColor = g1 + g2 + g3;
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}
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