| Index: conformance/ogles/GL/asin/asin_float_frag_xvary_ref.frag
|
| ===================================================================
|
| --- conformance/ogles/GL/asin/asin_float_frag_xvary_ref.frag (revision 0)
|
| +++ conformance/ogles/GL/asin/asin_float_frag_xvary_ref.frag (working copy)
|
| @@ -0,0 +1,110 @@
|
| +
|
| +/*
|
| +** Copyright (c) 2012 The Khronos Group Inc.
|
| +**
|
| +** Permission is hereby granted, free of charge, to any person obtaining a
|
| +** copy of this software and/or associated documentation files (the
|
| +** "Materials"), to deal in the Materials without restriction, including
|
| +** without limitation the rights to use, copy, modify, merge, publish,
|
| +** distribute, sublicense, and/or sell copies of the Materials, and to
|
| +** permit persons to whom the Materials are furnished to do so, subject to
|
| +** the following conditions:
|
| +**
|
| +** The above copyright notice and this permission notice shall be included
|
| +** in all copies or substantial portions of the Materials.
|
| +**
|
| +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
| +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
| +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
| +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
| +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
| +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
| +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
| +*/
|
| +
|
| +
|
| +/* The following files are direct copies of each other:
|
| + *
|
| + * GL/acos/acos_float_frag_xvary_ref.frag
|
| + * GL/asin/asin_float_frag_xvary_ref.frag
|
| + *
|
| + * Care should be taken to apply any changes to both. Only the last
|
| + * line where gl_FragColor is assigned should be different.
|
| + */
|
| +
|
| +#ifdef GL_ES
|
| +precision mediump float;
|
| +#endif
|
| +varying vec4 color;
|
| +
|
| +float lerp(float a, float b, float s)
|
| +{
|
| + return a + (b - a) * s;
|
| +}
|
| +
|
| +void main (void)
|
| +{
|
| + float asinValues[17];
|
| + asinValues[0] = -1.5708;
|
| + asinValues[1] = -1.06544;
|
| + asinValues[2] = -0.848062;
|
| + asinValues[3] = -0.675132;
|
| + asinValues[4] = -0.523599;
|
| + asinValues[5] = -0.384397;
|
| + asinValues[6] = -0.25268;
|
| + asinValues[7] = -0.125328;
|
| + asinValues[8] = 0.0;
|
| + asinValues[9] = 0.125328;
|
| + asinValues[10] = 0.25268;
|
| + asinValues[11] = 0.384397;
|
| + asinValues[12] = 0.523599;
|
| + asinValues[13] = 0.675132;
|
| + asinValues[14] = 0.848062;
|
| + asinValues[15] = 1.06544;
|
| + asinValues[16] = 1.5708;
|
| +
|
| + const float M_PI = 3.14159265358979323846;
|
| + float c = 2.0 * (color.r - 0.5);
|
| +
|
| + float arrVal = (c + 1.0) * 8.0;
|
| + int arr0 = int(floor(arrVal));
|
| + float weight = arrVal - floor(arrVal);
|
| + float asin_c = 0.0;
|
| +
|
| + if (arr0 == 0)
|
| + asin_c = lerp(asinValues[0], asinValues[1], weight);
|
| + else if (arr0 == 1)
|
| + asin_c = lerp(asinValues[1], asinValues[2], weight);
|
| + else if (arr0 == 2)
|
| + asin_c = lerp(asinValues[2], asinValues[3], weight);
|
| + else if (arr0 == 3)
|
| + asin_c = lerp(asinValues[3], asinValues[4], weight);
|
| + else if (arr0 == 4)
|
| + asin_c = lerp(asinValues[4], asinValues[5], weight);
|
| + else if (arr0 == 5)
|
| + asin_c = lerp(asinValues[5], asinValues[6], weight);
|
| + else if (arr0 == 6)
|
| + asin_c = lerp(asinValues[6], asinValues[7], weight);
|
| + else if (arr0 == 7)
|
| + asin_c = lerp(asinValues[7], asinValues[8], weight);
|
| + else if (arr0 == 8)
|
| + asin_c = lerp(asinValues[8], asinValues[9], weight);
|
| + else if (arr0 == 9)
|
| + asin_c = lerp(asinValues[9], asinValues[10], weight);
|
| + else if (arr0 == 10)
|
| + asin_c = lerp(asinValues[10], asinValues[11], weight);
|
| + else if (arr0 == 11)
|
| + asin_c = lerp(asinValues[11], asinValues[12], weight);
|
| + else if (arr0 == 12)
|
| + asin_c = lerp(asinValues[12], asinValues[13], weight);
|
| + else if (arr0 == 13)
|
| + asin_c = lerp(asinValues[13], asinValues[14], weight);
|
| + else if (arr0 == 14)
|
| + asin_c = lerp(asinValues[14], asinValues[15], weight);
|
| + else if (arr0 == 15)
|
| + asin_c = lerp(asinValues[15], asinValues[16], weight);
|
| + else if (arr0 == 16)
|
| + asin_c = asinValues[16];
|
| +
|
| + gl_FragColor = vec4(asin_c / M_PI + 0.5, 0.0, 0.0, 1.0);
|
| +}
|
|
|