diff options
Diffstat (limited to 'testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/atan/atan_vec3_frag_xvary.frag')
-rw-r--r-- | testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/atan/atan_vec3_frag_xvary.frag | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/atan/atan_vec3_frag_xvary.frag b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/atan/atan_vec3_frag_xvary.frag new file mode 100644 index 000000000..281ae2e62 --- /dev/null +++ b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/atan/atan_vec3_frag_xvary.frag @@ -0,0 +1,36 @@ + +/* +** 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. +*/ + + +#ifdef GL_ES +precision mediump float; +#endif +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec3 c = 4.0 * 2.0 * (color.rgb - 0.5); + gl_FragColor = vec4(atan(c) / M_PI + 0.5, 1.0); +} |