750b5ef67e
* Fix webgl 2 compatibility * Add LumaLaplacian, ACESTonemap, ReinhardTonemap, DirectionalHashBlur
38 lines
772 B
GLSL
38 lines
772 B
GLSL
#ifdef OR_IN_OUT
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in vec2 v_texCoord0;
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#else
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varying vec2 v_texCoord0;
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#endif
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uniform vec2 textureSize0;
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uniform sampler2D tex0;
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uniform bool logPolar;
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#ifndef OR_GL_FRAGCOLOR
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out vec4 o_color;
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#endif
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#define PI 3.141592653589793
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void main() {
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vec2 uv = v_texCoord0 - vec2(0.5);
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float arg = atan(uv.y, uv.x);
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float bias = 0.0;
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float radius = logPolar? log(1.0 + length(uv)*(exp(1.0)-bias)) / log(1.0+(exp(1.0)-bias)*sqrt(0.5)) : (length(uv) / sqrt(0.5));
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vec2 sourceUV = vec2(arg / (2.0 * PI) + 0.5, radius);
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#ifndef OR_GL_TEXTURE2D
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vec4 result = texture(tex0, sourceUV);
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#else
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vec4 result = texture2D(tex0, sourceUV);
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#endif
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#ifdef OR_GL_FRAGCOLOR
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gl_FragColor = result;
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#else
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o_color = result;
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#endif
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} |