diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/floor/floor_vec2_frag_xvary_ref.frag')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/floor/floor_vec2_frag_xvary_ref.frag | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/floor/floor_vec2_frag_xvary_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/floor/floor_vec2_frag_xvary_ref.frag new file mode 100644 index 0000000000..3f537cc357 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/floor/floor_vec2_frag_xvary_ref.frag @@ -0,0 +1,31 @@ + +/* +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; + +vec2 floor_ref(vec2 x) +{ + if(x[0] >= 0.0) + x[0] = float(int(x[0])); + else + x[0] = float(int(x[0]) - 1); + if(x[1] >= 0.0) + x[1] = float(int(x[1])); + else + x[1] = float(int(x[1]) - 1); + return x; +} + +void main (void) +{ + vec2 c = 10.0 * 2.0 * (color.rg - 0.5); + gl_FragColor = vec4((floor_ref(c) + 10.0) / 20.0, 0.0, 1.0); +} |