Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/log/log_float_vert_xvary_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/log/log_float_vert_xvary_ref.vert
new file mode 100644
index 0000000000..afbfb3ebf9
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/log/log_float_vert_xvary_ref.vert
@@ -0,0 +1,34 @@
+
+/*
+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)
+{
+	float x = 31.0 * gtf_Color.r + 1.0;
+	float y = 0.0;
+	float z;   // x-1 / x+1
+	int n = 50;
+
+	// ln(x) = 2[x-1 + 1 (x-1)^3 + 1 (x-1)^5 + ...] for x > 0
+	//          [x+1   3 (x+1)     5 (x+1)        ]
+	z = (x - 1.0) / (x + 1.0);
+	float p = z;
+	for(int i = 1; i <= 101; i += 2)
+	{
+		y += p / float(i);
+		p *= z * z;
+	}
+	y *= 2.0;
+
+	color = vec4(y / 3.466, 0.0, 0.0, 1.0);
+	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}