diff options
Diffstat (limited to 'testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert')
-rw-r--r-- | testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert new file mode 100644 index 000000000..31826c6c2 --- /dev/null +++ b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/ogles/GL/refract/refract_float_vert_ivarynconst_ref.vert @@ -0,0 +1,49 @@ + +/* +** 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. +*/ + + +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; +} |