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| 1 |
| 2 /* |
| 3 ** Copyright (c) 2012 The Khronos Group Inc. |
| 4 ** |
| 5 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 6 ** copy of this software and/or associated documentation files (the |
| 7 ** "Materials"), to deal in the Materials without restriction, including |
| 8 ** without limitation the rights to use, copy, modify, merge, publish, |
| 9 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 10 ** permit persons to whom the Materials are furnished to do so, subject to |
| 11 ** the following conditions: |
| 12 ** |
| 13 ** The above copyright notice and this permission notice shall be included |
| 14 ** in all copies or substantial portions of the Materials. |
| 15 ** |
| 16 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 19 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 20 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 21 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 22 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 23 */ |
| 24 |
| 25 |
| 26 attribute vec4 gtf_Vertex; |
| 27 uniform mat4 gtf_ModelViewProjectionMatrix; |
| 28 varying vec4 color; |
| 29 |
| 30 void main (void) |
| 31 { |
| 32 bool result = true; |
| 33 bool a = true; |
| 34 bool b = true; |
| 35 |
| 36 if( (a&&b) ) |
| 37 result = result && true; |
| 38 else |
| 39 result = result && false; |
| 40 |
| 41 if( (a||b) ) |
| 42 result = result && true; |
| 43 else |
| 44 result = result && false; |
| 45 |
| 46 if( !(a^^b) ) |
| 47 result = result && true; |
| 48 else |
| 49 result = result && false; |
| 50 |
| 51 a = true; |
| 52 b = false; |
| 53 |
| 54 if( !(a&&b) ) |
| 55 result = result && true; |
| 56 else |
| 57 result = result && false; |
| 58 |
| 59 if( (a||b) ) |
| 60 result = result && true; |
| 61 else |
| 62 result = result && false; |
| 63 |
| 64 if( (a^^b) ) |
| 65 result = result && true; |
| 66 else |
| 67 result = result && false; |
| 68 |
| 69 a = false; |
| 70 b = true; |
| 71 |
| 72 if( !(a&&b) ) |
| 73 result = result && true; |
| 74 else |
| 75 result = result && false; |
| 76 |
| 77 if( (a||b) ) |
| 78 result = result && true; |
| 79 else |
| 80 result = result && false; |
| 81 |
| 82 if( (a^^b) ) |
| 83 result = result && true; |
| 84 else |
| 85 result = result && false; |
| 86 |
| 87 a = false; |
| 88 b = false; |
| 89 |
| 90 if( !(a&&b) ) |
| 91 result = result && true; |
| 92 else |
| 93 result = result && false; |
| 94 |
| 95 if( !(a||b) ) |
| 96 result = result && true; |
| 97 else |
| 98 result = result && false; |
| 99 |
| 100 if( !(a^^b) ) |
| 101 result = result && true; |
| 102 else |
| 103 result = result && false; |
| 104 |
| 105 float gray; |
| 106 if( result ) |
| 107 gray=1.0; |
| 108 else gray=0.0; |
| 109 color = vec4(gray, gray, gray, 1.0); |
| 110 gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; |
| 111 } |
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