diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/sign/sign_vec2_frag_xvary_ref.frag')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/sign/sign_vec2_frag_xvary_ref.frag | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/sign/sign_vec2_frag_xvary_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/sign/sign_vec2_frag_xvary_ref.frag new file mode 100644 index 0000000000..b352db6400 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/sign/sign_vec2_frag_xvary_ref.frag @@ -0,0 +1,23 @@ + +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + + +#ifdef GL_ES +precision mediump float; +#endif +varying vec4 color; + +void main (void) +{ + vec2 c = 2.0 * (color.rg - 0.5); + if(c[0] > 0.0) c[0] = 1.0 * c[0]; + if(c[0] < 0.0) c[0] = -1.0 * c[0]; + if(c[1] > 0.0) c[1] = 1.0 * c[1]; + if(c[1] < 0.0) c[1] = -1.0 * c[1]; + + gl_FragColor = vec4(c, 0.0, 1.0); +} |