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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert new file mode 100644 index 0000000000..4adc177cf5 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert @@ -0,0 +1,32 @@ + +/* +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. +*/ + + +attribute vec4 gtf_Color; +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + + // Both are unit vectors + float v1 = (gtf_Color.g + 1.0) / 2.0; + float v2 = (gtf_Color.b + 1.0) / 2.0; + + float result; + float eta = 0.5; + float k = 1.0 - eta * eta * (1.0 - dot(v1, v2) * dot(v1, v2)); + if(k < 0.0) + result = 0.0; + else + result = eta * v1 - (eta * dot(v1, v2) + sqrt(k)) * v2; + + color = vec4((result + 1.0) / 2.0, 0.0, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} |