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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-mochitest/test_highp_fs.html | |
| 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-mochitest/test_highp_fs.html')
| -rw-r--r-- | dom/canvas/test/webgl-mochitest/test_highp_fs.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_highp_fs.html b/dom/canvas/test/webgl-mochitest/test_highp_fs.html new file mode 100644 index 0000000000..6927c5c1c2 --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_highp_fs.html @@ -0,0 +1,55 @@ +<!DOCTYPE HTML> +<title>WebGL test: `highp` support</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +<script src="driver-info.js"></script> +<script src="webgl-util.js"></script> +<script id="shader-vs" type="x-shader/x-vertex"> + +void main(void) { + gl_Position = vec4(vec3(0.0), 1.0); +} + +</script> +<script id="shader-fs" type="x-shader/x-fragment"> + +precision highp float; + +void main(void) { + gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0); +} + +</script> +<body> +<canvas id="c"></canvas> +<script> + +// Give ourselves a scope to return early from: +(function() { + var gl = c.getContext('webgl'); + if (!gl) { + todo(false, 'WebGL is unavailable.'); + return; + } + + function checkGLError(func, info) { + var error = gl.getError(); + var prefix = info ? ('[' + info + '] ') : '' + func(!error, prefix + 'gl.getError should be 0x0, was 0x' + error.toString(16) + '.'); + } + + var format = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT); + var prog = WebGLUtil.createProgramByIds(gl, 'shader-vs', 'shader-fs'); + checkGLError(ok); + + if (format) { + ok(prog, 'Frag shader with unconditional `precision highp float` should ' + + 'link if `getShaderPrecisionFormat` gives a format for it.'); + } else { + ok(!prog, 'Frag shader with unconditional `precision highp float` should ' + + 'NOT link if `getShaderPrecisionFormat` gives NO format for it.'); + } +})(); + +</script> + |