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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/cos/cos_vec3_vert_xvary_ref.vert
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/cos/cos_vec3_vert_xvary_ref.vert33
1 files changed, 33 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/cos/cos_vec3_vert_xvary_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/cos/cos_vec3_vert_xvary_ref.vert
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+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/cos/cos_vec3_vert_xvary_ref.vert
@@ -0,0 +1,33 @@
+
+/*
+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;
+ vec3 c = 2.0 * M_PI * gtf_Color.rgb;
+ float sign = -1.0;
+ vec3 cos_c = vec3(1.0,1.0,1.0);
+ float fact = 1.0;
+
+ // Taylor-Maclaurin series expansion for cosine
+ for(int i = 2; i <= 20; i += 2)
+ {
+ fact *= float(i)*float(i-1);
+ cos_c += sign*pow(c, vec3(float(i),float(i),float(i)))/fact;
+ sign = -sign;
+ }
+
+ color = vec4(0.5 * cos_c + 0.5, 1.0);
+
+ gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}