| <!-- |
| 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 GLES2 difference test.</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> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| var wtu = WebGLTestUtils; |
| description("Tests the few differences between WebGL and GLES2"); |
| |
| var gl = wtu.create3DContext(); |
| var program = wtu.loadStandardProgram(gl); |
| gl.useProgram(program); |
| var vertexObject = gl.createBuffer(); |
| gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| gl.enableVertexAttribArray(0); |
| gl.vertexAttribPointer(0, 4, gl.FLOAT, false, 0, 0); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Setup should succeed"); |
| |
| debug(""); |
| debug("Verify that constant color and constant alpha cannot be used together as source and destination factors in the blend function"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)"); |
| |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| |
| debug(""); |
| debug("Verify that in depthRange zNear <= zFar"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.depthRange(20, 10)"); |
| |
| debug(""); |
| debug("Verify that *LENGTH are undefined"); |
| shouldBeUndefined(gl.INFO_LOG_LENGTH); |
| shouldBeUndefined(gl.SHADER_SOURCE_LENGTH); |
| shouldBeUndefined(gl.ACTIVE_UNIFORM_MAX_LENGTH); |
| shouldBeUndefined(gl.ACTIVE_ATTRIB_MAX_LENGTH); |
| shouldBeUndefined(gl.ACTIVE_ATTRIBUTE_MAX_LENGTH); |
| |
| debug(""); |
| debug("Verify that UNPACK_COLORSPACE_CONVERSION_WEBGL is supported"); |
| shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.BROWSER_DEFAULT_WEBGL"); |
| gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
| shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.NONE"); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "set/get UNPACK_COLORSPACE_CONVERSION_WEBGL should generate no error"); |
| |
| debug(""); |
| debug("Verify that drawingBufferWidth and drawingBufferHeights are implemented"); |
| shouldBeTrue("gl.drawingBufferWidth >= 0 && gl.drawingBufferHeight >= 0"); |
| |
| debug(""); |
| debug("Verify that bindAttribLocation rejects names start with webgl_ or _webgl_"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, 'webgl_a')"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, '_webgl_a')"); |
| |
| debug(""); |
| debug("Verify that NaN line width is not accepted"); |
| wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, "gl.lineWidth(NaN)"); |
| |
| var successfullyParsed = true; |
| </script> |
| |
| <script src="../../js/js-test-post.js"></script> |
| </body> |
| </html> |
