diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2Tests/get_active_attribute/brick_mat3.vert')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2Tests/get_active_attribute/brick_mat3.vert | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2Tests/get_active_attribute/brick_mat3.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2Tests/get_active_attribute/brick_mat3.vert new file mode 100644 index 0000000000..d6fea1125b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2Tests/get_active_attribute/brick_mat3.vert @@ -0,0 +1,45 @@ + +/* +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_Vertex; +attribute vec3 gtf_Normal; +attribute mat3 myAttrib3m; + +uniform mat3 gtf_NormalMatrix; +varying float lightIntensity; +varying vec3 Position; +uniform vec3 LightPosition; + +uniform mat4 gtf_ModelViewMatrix; +uniform mat4 gtf_ModelViewProjectionMatrix; + +const float specularContribution = 0.7; +const float diffuseContribution = (1.0 - specularContribution); + +void main(void) { + vec4 pos = gtf_ModelViewMatrix * gtf_Vertex; + Position = vec3(gtf_Vertex); + vec3 tnorm = normalize(gtf_NormalMatrix * gtf_Normal); + vec3 lightVec = normalize(LightPosition - vec3(pos)); + vec3 reflectVec = reflect(lightVec, tnorm); + vec3 viewVec = normalize(vec3(pos)); + + float f = myAttrib3m[0][0]; + + float spec = clamp(dot(reflectVec, viewVec), f, 1.0); + //float spec = clamp(dot(reflectVec, viewVec), myAttribute1, myAttribute2); + spec = spec * spec; + spec = spec * spec; + spec = spec * spec; + spec = spec * spec; + + lightIntensity = diffuseContribution * dot(lightVec, tnorm) + + specularContribution * spec; + + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} |