Last change
on this file since 12091 was
12091,
checked in by wiesep, 6 years ago
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Updated programs and adjusted Material to work with GLSL>150
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File size:
717 bytes
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Line | |
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1 | #version 100 |
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2 | precision mediump int; |
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3 | precision mediump float; |
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4 | |
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5 | uniform sampler2D inRTT; |
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6 | uniform vec2 texelSize; |
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7 | |
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8 | varying vec2 uv; |
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9 | |
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10 | void main() |
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11 | { |
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12 | vec4 accum = vec4(0.0, 0.0, 0.0, 0.0); |
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13 | vec4 LUMINENCE_FACTOR = vec4(0.27, 0.67, 0.06, 0.0); |
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14 | |
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15 | // Get colour from source |
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16 | accum += texture2D(inRTT, uv + texelSize * vec2(-0.5, -0.5)); |
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17 | accum += texture2D(inRTT, uv + texelSize * vec2(-0.5, 0.5)); |
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18 | accum += texture2D(inRTT, uv + texelSize * vec2(0.5, 0.5)); |
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19 | accum += texture2D(inRTT, uv + texelSize * vec2(0.5, -0.5)); |
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20 | |
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21 | // Adjust the accumulated amount by lum factor |
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22 | float lum = dot(accum, LUMINENCE_FACTOR); |
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23 | // take average of 4 samples |
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24 | lum *= 0.25; |
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25 | gl_FragColor = vec4(lum, lum, lum, 1.0); |
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26 | } |
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