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62 lines
2.5 KiB
JavaScript
62 lines
2.5 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests that vertex and fragment shader sources can be changed.
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*/
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function ifWebGLSupported() {
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let { target, front } = yield initBackend(SIMPLE_CANVAS_URL);
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front.setup({ reload: true });
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let programActor = yield once(front, "program-linked");
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let vertexShader = yield programActor.getVertexShader();
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let fragmentShader = yield programActor.getFragmentShader();
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yield ensurePixelIs(front, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
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yield ensurePixelIs(front, { x: 128, y: 128 }, { r: 191, g: 64, b: 0, a: 255 }, true);
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yield ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
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let vertSource = yield vertexShader.getText();
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let fragSource = yield fragmentShader.getText();
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ok(!vertSource.contains("2.0"),
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"The vertex shader source is correct before changing it.");
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ok(!fragSource.contains("0.5"),
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"The fragment shader source is correct before changing it.");
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let newVertSource = vertSource.replace("1.0", "2.0");
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let status = yield vertexShader.compile(newVertSource);
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ok(!status,
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"The new vertex shader source was compiled without errors.");
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yield ensurePixelIs(front, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
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yield ensurePixelIs(front, { x: 128, y: 128 }, { r: 255, g: 0, b: 0, a: 255 }, true);
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yield ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 0, b: 0, a: 255 }, true);
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vertSource = yield vertexShader.getText();
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fragSource = yield fragmentShader.getText();
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ok(vertSource.contains("2.0"),
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"The vertex shader source is correct after changing it.");
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ok(!fragSource.contains("0.5"),
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"The fragment shader source is correct after changing the vertex shader.");
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let newFragSource = fragSource.replace("1.0", "0.5");
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status = yield fragmentShader.compile(newFragSource);
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ok(!status,
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"The new fragment shader source was compiled without errors.");
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yield ensurePixelIs(front, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
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yield ensurePixelIs(front, { x: 128, y: 128 }, { r: 255, g: 0, b: 0, a: 127 }, true);
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yield ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 0, b: 0, a: 255 }, true);
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vertSource = yield vertexShader.getText();
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fragSource = yield fragmentShader.getText();
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ok(vertSource.contains("2.0"),
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"The vertex shader source is correct after changing the fragment shader.");
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ok(fragSource.contains("0.5"),
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"The fragment shader source is correct after changing it.");
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yield removeTab(target.tab);
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finish();
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}
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