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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/extensions/ext-blend-minmax.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-conf/checkout/conformance/extensions/ext-blend-minmax.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-blend-minmax.html | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-blend-minmax.html b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-blend-minmax.html new file mode 100644 index 0000000000..445dcb92d4 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-blend-minmax.html @@ -0,0 +1,225 @@ +<!-- +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. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL EXT_blend_minmax Conformance Tests</title> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<div id="description"></div> +<canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> +<div id="console"></div> +<!-- Shaders to test output --> +<script id="outputVertexShader" type="x-shader/x-vertex"> +attribute vec4 vPosition; +void main() { + gl_Position = vPosition; +} +</script> +<script id="outputFragmentShader" type="x-shader/x-fragment"> +precision mediump float; +uniform vec4 uColor; +void main() { + gl_FragColor = uColor; +} +</script> + +<script> +"use strict"; +description("This test verifies the functionality of the EXT_blend_minmax extension, if it is available."); + +debug(""); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas"); +var gl = wtu.create3DContext(canvas); +var ext = null; + +// Use the constant directly when we don't have the extension +var MIN_EXT = 0x8007; +var MAX_EXT = 0x8008; + +if (!gl) { + testFailed("WebGL context does not exist"); +} else { + testPassed("WebGL context exists"); + + runBlendTestDisabled(); + + // Query the extension and store globally so shouldBe can access it + ext = wtu.getExtensionWithKnownPrefixes(gl, "EXT_blend_minmax"); + if (!ext) { + testPassed("No EXT_blend_minmax support -- this is legal"); + + runSupportedTest(false); + } else { + debug(""); + testPassed("Successfully enabled EXT_blend_minmax extension"); + + runSupportedTest(true); + + runBlendTestEnabled(); + runOutputTests(); + runUniqueObjectTest(); + } +} + +function runSupportedTest(extensionEnabled) { + var supported = gl.getSupportedExtensions(); + if (supported.indexOf("EXT_blend_minmax") >= 0) { + if (extensionEnabled) { + testPassed("EXT_blend_minmax listed as supported and getExtension succeeded"); + } else { + testFailed("EXT_blend_minmax listed as supported but getExtension failed"); + } + } else { + if (extensionEnabled) { + testFailed("EXT_blend_minmax not listed as supported but getExtension succeeded"); + } else { + testPassed("EXT_blend_minmax not listed as supported and getExtension failed -- this is legal"); + } + } +} + +function runBlendTestDisabled() { + debug(""); + debug("Testing blending enums with extension disabled"); + + // Set the blend equation to a known-good enum first + gl.blendEquation(gl.FUNC_ADD); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquation(MIN_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquation(MAX_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquationSeparate(MIN_EXT, gl.FUNC_ADD)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquationSeparate(gl.FUNC_ADD, MIN_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquationSeparate(MAX_EXT, gl.FUNC_ADD)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.blendEquationSeparate(gl.FUNC_ADD, MAX_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "gl.FUNC_ADD"); +} + +function runBlendTestEnabled() { + debug(""); + debug("Testing blending enums with extension enabled"); + + shouldBe("ext.MIN_EXT", "0x8007"); + shouldBe("ext.MAX_EXT", "0x8008"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquation(ext.MIN_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION)", "ext.MIN_EXT"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquation(ext.MAX_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION)", "ext.MAX_EXT"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquationSeparate(ext.MIN_EXT, gl.FUNC_ADD)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "ext.MIN_EXT"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquationSeparate(gl.FUNC_ADD, ext.MIN_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "gl.FUNC_ADD"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "ext.MIN_EXT"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquationSeparate(ext.MAX_EXT, gl.FUNC_ADD)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "ext.MAX_EXT"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "gl.FUNC_ADD"); + + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendEquationSeparate(gl.FUNC_ADD, ext.MAX_EXT)"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_RGB)", "gl.FUNC_ADD"); + shouldBe("gl.getParameter(gl.BLEND_EQUATION_ALPHA)", "ext.MAX_EXT"); +} + +function runOutputTests() { + var e = 2; // Amount of variance to allow in result pixels - may need to be tweaked higher + + debug(""); + debug("Testing various draws for valid blending behavior"); + + canvas.width = 50; canvas.height = 50; + gl.viewport(0, 0, canvas.width, canvas.height); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE); + + var program = wtu.setupProgram(gl, ["outputVertexShader", "outputFragmentShader"], ['vPosition'], [0]); + var quadParameters = wtu.setupUnitQuad(gl, 0, 1); + var colorUniform = gl.getUniformLocation(program, "uColor"); + + + // Draw 1 + gl.blendEquation(ext.MIN_EXT); + + gl.clearColor(0.2, 0.4, 0.6, 0.8); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.uniform4f(colorUniform, 0.8, 0.6, 0.4, 0.2); + wtu.drawUnitQuad(gl); + + wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, [51, 102, 102, 51]); + + // Draw 2: + gl.blendEquation(ext.MAX_EXT); + + gl.clearColor(0.2, 0.4, 0.6, 0.8); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.uniform4f(colorUniform, 0.8, 0.6, 0.4, 0.2); + wtu.drawUnitQuad(gl); + + wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, [204, 153, 153, 204]); + + // Draw 3 + gl.blendEquationSeparate(ext.MIN_EXT, ext.MAX_EXT); + + gl.clearColor(0.2, 0.4, 0.6, 0.8); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.uniform4f(colorUniform, 0.8, 0.6, 0.4, 0.2); + wtu.drawUnitQuad(gl); + + wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, [51, 102, 102, 204]); + + // Draw 4 + gl.blendEquationSeparate(ext.MAX_EXT, ext.MIN_EXT); + + gl.clearColor(0.2, 0.4, 0.6, 0.8); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.uniform4f(colorUniform, 0.8, 0.6, 0.4, 0.2); + wtu.drawUnitQuad(gl); + + wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, [204, 153, 153, 51]); +} + +function runUniqueObjectTest() +{ + debug(""); + debug("Testing that getExtension() returns the same object each time"); + ext = null; + gl.getExtension("EXT_blend_minmax").myProperty = 2; + webglHarnessCollectGarbage(); + shouldBe('gl.getExtension("EXT_blend_minmax").myProperty', '2'); +} + +debug(""); +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |