mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-10-31 19:47:32 +09:00
246 lines
8.3 KiB
HTML
246 lines
8.3 KiB
HTML
<!--
|
|
|
|
/*
|
|
** Copyright (c) 2014 The Khronos Group Inc.
|
|
**
|
|
** Permission is hereby granted, free of charge, to any person obtaining a
|
|
** copy of this software and/or associated documentation files (the
|
|
** "Materials"), to deal in the Materials without restriction, including
|
|
** without limitation the rights to use, copy, modify, merge, publish,
|
|
** distribute, sublicense, and/or sell copies of the Materials, and to
|
|
** permit persons to whom the Materials are furnished to do so, subject to
|
|
** the following conditions:
|
|
**
|
|
** The above copyright notice and this permission notice shall be included
|
|
** in all copies or substantial portions of the Materials.
|
|
**
|
|
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
|
*/
|
|
|
|
-->
|
|
|
|
<!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>
|