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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-mochitest/test_webgl2_alpha_luminance.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_webgl2_alpha_luminance.html')
-rw-r--r-- | dom/canvas/test/webgl-mochitest/test_webgl2_alpha_luminance.html | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_webgl2_alpha_luminance.html b/dom/canvas/test/webgl-mochitest/test_webgl2_alpha_luminance.html new file mode 100644 index 0000000000..3ec6c1909e --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_webgl2_alpha_luminance.html @@ -0,0 +1,114 @@ +<!DOCTYPE HTML> +<meta http-equiv="content-type" content="text/html; charset=utf-8" /> +<title>WebGL2 test: Alpha and Luminance Textures</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="vs" type="x-shader/x-vertex" +>#version 300 es + +in vec2 aTexCoord; +out vec2 vTexCoord; + +void main() { + vec2 pos = vec2(2.0)*aTexCoord - vec2(1.0); + gl_Position = vec4(pos, 0.0, 1.0); + vTexCoord = aTexCoord; +} +</script> +<script id="fs" type="x-shader/x-fragment" +>#version 300 es +precision mediump float; + +in vec2 vTexCoord; +uniform sampler2D uTex; +out vec4 oFragColor; + +void main() { + oFragColor = texture(uTex, vTexCoord); +} +</script> +<body> +<canvas id="c" width="32" height="32"></canvas> +<script> + WebGLUtil.withWebGL2('c', function(gl) { + + function testPixel(x, y, refData, infoPrefix) { + var pixel = new Uint8Array(4); + gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixel); + + var pixelMatches = (pixel[0] == refData[0] && + pixel[1] == refData[1] && + pixel[2] == refData[2] && + pixel[3] == refData[3]); + var expectedStr = '[' + refData.join(', ') + ']'; + var actualStr = '[' + pixel.join(', ') + ']'; + + if (pixelMatches) { + ok(true, infoPrefix + 'Expected ' + expectedStr + '.'); + } else { + ok(false, infoPrefix + 'Expected ' + expectedStr + ', was ' + actualStr + '.'); + } + } + + function testTexture(details, prog) { + prog.aTexCoord = gl.getAttribLocation(prog, "aTexCoord"); + ok(prog.aTexCoord >= 0, '`aTexCoord` should be valid.'); + + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, details.format, 1, 1, 0, + details.format, gl.UNSIGNED_BYTE, details.texData); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + + gl.useProgram(prog); + gl.vertexAttribPointer(prog.aTexCoord, 2, gl.FLOAT, false, 0, 0); + gl.enableVertexAttribArray(prog.aTexCoord); + + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); + + testPixel(0, 0, details.result, details.info + ': '); + return true; + } + + var prog = WebGLUtil.createProgramByIds(gl, 'vs', 'fs'); + if (!prog) { + ok(false, 'Program linking should succeed.'); + return false; + } + + gl.disable(gl.DEPTH_TEST); + + var vertData = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertData); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0, 0, 1, 0, 0, 1, 1, 1 ]), gl.STATIC_DRAW); + + gl.clearColor(0, 0, 1, 1); + gl.pixelStorei(gl.UNPACK_ALIGNMENT, 1); + + var details = [ + { info: 'Luminance8', format: gl.LUMINANCE, texData: new Uint8Array([ 128 ]), + result: [128, 128, 128, 255] }, + { info: 'Alpha8', format: gl.ALPHA, texData: new Uint8Array([ 128 ]), + result: [0, 0, 0, 128] }, + { info: 'Luminance8Alpha8', format: gl.LUMINANCE_ALPHA, texData: new Uint8Array([ 128, 128 ]), + result: [128, 128, 128, 128] }, + ]; + + for (var i = 0; i < details.length; i++) { + if (!testTexture(details[i], prog)) { + return; + } + } + ok(true, 'Test complete.'); + }, function() { + SimpleTest.finish(); + }); + + SimpleTest.waitForExplicitFinish(); +</script> |