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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_vertexattrib4f_update.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_vertexattrib4f_update.html')
| -rw-r--r-- | dom/canvas/test/webgl-mochitest/test_vertexattrib4f_update.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_vertexattrib4f_update.html b/dom/canvas/test/webgl-mochitest/test_vertexattrib4f_update.html new file mode 100644 index 0000000000..e845b4a594 --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_vertexattrib4f_update.html @@ -0,0 +1,62 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset='utf-8'> + <title>Bug 1426289 - vertexAttrib4f should actually update.</title> + <script src='/tests/SimpleTest/SimpleTest.js'></script> + <link rel='stylesheet' href='/tests/SimpleTest/test.css'> + <script src='webgl-util.js'></script> + </head> + <body> + <script id='eVertSource' type='none'> +attribute vec4 aColor; +varying vec4 vColor; + +void main() { + gl_PointSize = 64.0; + gl_Position = vec4(vec3(0.0), 1.0); + vColor = aColor; +} + </script> + <script id='eFragSource' type='none'> +precision mediump float; +varying vec4 vColor; + +void main() { + gl_FragColor = vColor; +} + </script> + <script> +const canvas = document.createElement('canvas'); +canvas.width = 1; +canvas.height = 1; +const gl = canvas.getContext('webgl'); + +const prog = WebGLUtil.linkProgramByIds(gl, eVertSource, eFragSource); +gl.useProgram(prog); + +function getRgb() { + const data = new Uint32Array(1); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(data.buffer)); + return data[0] & 0xffffff; +} + +gl.clearColor(0.0, 0.0, 0.0, 1.0); +gl.clear(gl.COLOR_BUFFER_BIT); +let was = getRgb(); +ok(was == 0x000000, '0x'+was.toString(16)); + +gl.disableVertexAttribArray(prog.aColor); + +gl.vertexAttrib4f(prog.aColor, 1, 0, 0, 1); +gl.drawArrays(gl.POINTS, 0, 1); +was = getRgb(); +ok(was == 0x0000ff, '0x'+was.toString(16)); + +gl.vertexAttrib4f(prog.aColor, 0, 1, 0, 1); +gl.drawArrays(gl.POINTS, 0, 1); +was = getRgb(); +ok(was == 0x00ff00, '0x'+was.toString(16)); + </script> + </body> +</html> |