| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL GLES2 difference test.</title> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| <script src="resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| if (window.internals) |
| window.internals.settings.setWebGLErrorsToConsoleEnabled(false); |
| |
| var wtu = WebGLTestUtils; |
| description("Tests the a 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); |
| 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"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)"); |
| |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)"); |
| 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"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.depthRange(20, 10)"); |
| |
| debug(""); |
| debug("Verify that front/back settings should be the same for stenclMask and stencilFunc"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMask(255)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.FRONT, 1)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.BACK, 1)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFunc(gl.ALWAYS, 0, 255)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 255)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 255)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 1)"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 1)"); |
| shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)"); |
| |
| 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); |
| |
| 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"); |
| 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_"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, 'webgl_a')"); |
| shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, '_webgl_a')"); |
| </script> |
| </body> |
| </html> |
