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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 #ifdef GL_ES |
| 27 precision mediump float; |
| 28 #endif |
| 29 void main() |
| 30 { |
| 31 float f, f1, f2; |
| 32 f = f1 = f2; |
| 33 f += f1 += f2; |
| 34 |
| 35 vec4 v, v1, v2; |
| 36 v = v1 = v2; |
| 37 v += v1 += v2; |
| 38 v.wx = v1.zx = v2.yx; |
| 39 v.wx += v1.zx += v2.yx; |
| 40 |
| 41 mat4 m, m1, m2; |
| 42 m = m1 = m2; |
| 43 m += m1 += m2; |
| 44 m[3].wx = m1[2].zx = m2[1].yx; |
| 45 m[3].wx += m1[2].zx += m2[1].yx; |
| 46 |
| 47 mat4 am[4], am1[4], am2[4]; |
| 48 am[3] = am1[2] = am2[1]; |
| 49 am[3] += am1[2] += am2[1]; |
| 50 am[3][3].wx = am1[2][2].zx = am2[1][1].yx; |
| 51 am[3][3].wx += am1[2][2].zx += am2[1][1].yx; |
| 52 am[3][3].wx += am1[2][2].zx += ++(am2[1][1].yx); |
| 53 am[3][3].wx += am1[2][2].zx += (am2[1][1].yx)++; |
| 54 |
| 55 gl_FragColor = vec4(am[3][3].z, m[3].w, v.w, f); |
| 56 } |
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