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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert | |
parent | Initial commit. (diff) | |
download | firefox-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 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert new file mode 100644 index 0000000000..7c04171302 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/tan/tan_vec2_vert_xvary.vert @@ -0,0 +1,31 @@ + +/* +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; + vec2 c = 0.5 * M_PI * 2.0 * (gtf_Color.rg - 0.5); + vec2 o; + if(abs(c.r) < 0.5) // -45..45 + o.r = 0.5 * tan(c.r) + 0.5; + else // 45..90, -45..-90 + o.r = 0.5 / tan(c.r) + 0.5; + + if(abs(c.g) < 0.5) // -45..45 + o.g = 0.5 * tan(c.g) + 0.5; + else // 45..90, -45..-90 + o.g = 0.5 / tan(c.g) + 0.5; + + color = vec4(o, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} |