1 | /****************************************************************************** |
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2 | Copyright (c) W.J. van der Laan |
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3 | |
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4 | Permission is hereby granted, free of charge, to any person obtaining a copy of |
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5 | this software and associated documentation files (the "Software"), to deal in |
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6 | the Software without restriction, including without limitation the rights to use, |
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7 | copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the |
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8 | Software, and to permit persons to whom the Software is furnished to do so, subject |
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9 | to the following conditions: |
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10 | |
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11 | The above copyright notice and this permission notice shall be included in all copies |
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12 | or substantial portions of the Software. |
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13 | |
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14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
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15 | INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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16 | PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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17 | HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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18 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,OUT OF OR IN CONNECTION WITH THE |
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19 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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20 | ******************************************************************************/ |
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21 | /** Deferred shading framework |
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22 | // W.J. :wumpus: van der Laan 2005 // |
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23 | |
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24 | Material shader: Single colour phong |
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25 | */ |
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26 | |
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27 | #extension GL_ARB_draw_buffers : enable |
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28 | |
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29 | varying vec3 normal; |
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30 | varying vec2 texCoord0; |
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31 | varying float depth; |
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32 | |
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33 | uniform float specularity; |
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34 | uniform vec3 colour; |
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35 | |
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36 | void main() |
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37 | { |
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38 | gl_FragData[0].rgb = colour; |
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39 | gl_FragData[0].a = specularity; |
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40 | gl_FragData[1].xyz = normalize(normal); // Do normalisation here, saves an operation per light |
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41 | gl_FragData[1].w = depth; |
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42 | } |
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