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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 const int array_size = 2; |
| 31 |
| 32 void main (void) |
| 33 { |
| 34 const mat4 a = mat4( 1.0, 2.0, 3.0, 4.0, |
| 35 5.0, 6.0, 7.0, 8.0, |
| 36 9.0, 10.0, 11.0, 12.0, |
| 37 13.0, 14.0, 15.0, 16.0); |
| 38 const mat4 b = mat4(17.0, 18.0, 19.0, 20.0, |
| 39 21.0, 22.0, 23.0, 24.0, |
| 40 25.0, 26.0, 27.0, 28.0, |
| 41 29.0, 30.0, 31.0, 32.0); |
| 42 mat4 array[array_size]; |
| 43 float gray; |
| 44 |
| 45 array[0] = a; |
| 46 array[1] = b; |
| 47 |
| 48 if((array[0] == a) && (array[1] == b)) |
| 49 gray = 1.0; |
| 50 else |
| 51 gray = 0.0; |
| 52 |
| 53 color = vec4(gray, gray, gray, 1.0); |
| 54 gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; |
| 55 } |
| 56 |
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