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Diffstat (limited to '')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/reflect/reflect_vec2_frag_ivarynconst_ref.frag | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/reflect/reflect_vec2_frag_ivarynconst_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/reflect/reflect_vec2_frag_ivarynconst_ref.frag new file mode 100644 index 0000000000..2a832a62e8 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/reflect/reflect_vec2_frag_ivarynconst_ref.frag @@ -0,0 +1,29 @@ + +/* +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) +{ + const float M_PI = 3.14159265358979323846; + + // Both are unit vectors + vec2 v1; + vec2 v2 = normalize(vec2(1.0, 1.0)); + + + float theta = color.g * 2.0 * M_PI; + float phi = color.b * 2.0 * M_PI; + v1.x = cos(theta) * sin(phi); + v1.y = sin(theta) * sin(phi); + + gl_FragColor = vec4((v1 - 2.0 * dot(v2, v1) * v2 + 1.0) / 2.0, 0.0, 1.0); +} |