third_party/WebKit/LayoutTests/fast/canvas/webgl/webgl-specific.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <title>WebGL GLES2 difference test.</title>
   6 <script src="../../../resources/js-test.js"></script>
   7 <script src="resources/webgl-test.js"></script>
   8 <script src="resources/webgl-test-utils.js"></script>
   9 </head>
  10 <body>
  11 <div id="description"></div>
  12 <div id="console"></div>
  13
  14 <script>
  15 if (window.internals)
  16     window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
  17
  18 var wtu = WebGLTestUtils;
  19 description("Tests the a few differences between WebGL and GLES2");
  20
  21 var gl = wtu.create3DContext();
  22 var program = wtu.loadStandardProgram(gl);
  23 gl.useProgram(program);
  24 var vertexObject = gl.createBuffer();
  25 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
  26 gl.enableVertexAttribArray(0);
  27 glErrorShouldBe(gl, gl.NO_ERROR, "Setup should succeed");
  28
  29 debug("");
  30 debug("Verify that constant color and constant alpha cannot be used together as source and destination factors in the blend function");
  31 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA)");
  32 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA)");
  33 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)");
  34 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)");
  35 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR)");
  36 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)");
  37 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR)");
  38 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)");
  39
  40 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  41 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  42 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  43 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  44 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  45 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  46 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  47 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  48
  49 debug("");
  50 debug("Verify that in depthRange zNear <= zFar");
  51 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.depthRange(20, 10)");
  52
  53 debug("");
  54 debug("Verify that front/back settings should be the same for stenclMask and stencilFunc");
  55 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMask(255)");
  56 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  57 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.FRONT, 1)");
  58 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  59 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.BACK, 1)");
  60 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  61
  62 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFunc(gl.ALWAYS, 0, 255)");
  63 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  64 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 255)");
  65 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  66 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 255)");
  67 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  68 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 1)");
  69 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  70 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 1)");
  71 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  72
  73 debug("");
  74 debug("Verify that *LENGTH are undefined");
  75 shouldBeUndefined(gl.INFO_LOG_LENGTH);
  76 shouldBeUndefined(gl.SHADER_SOURCE_LENGTH);
  77 shouldBeUndefined(gl.ACTIVE_UNIFORM_MAX_LENGTH);
  78 shouldBeUndefined(gl.ACTIVE_ATTRIB_MAX_LENGTH);
  79
  80 debug("");
  81 debug("Verify that UNPACK_COLORSPACE_CONVERSION_WEBGL is supported");
  82 shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.BROWSER_DEFAULT_WEBGL");
  83 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
  84 shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.NONE");
  85 glErrorShouldBe(gl, gl.NO_ERROR, "set/get UNPACK_COLORSPACE_CONVERSION_WEBGL should generate no error");
  86
  87 debug("");
  88 debug("Verify that drawingBufferWidth and drawingBufferHeights are implemented");
  89 shouldBeTrue("gl.drawingBufferWidth >= 0 && gl.drawingBufferHeight >= 0");
  90
  91 debug("");
  92 debug("Verify that bindAttribLocation rejects names start with webgl_ or _webgl_");
  93 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, 'webgl_a')");
  94 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindAttribLocation(program, 0, '_webgl_a')");
  95
  96 successfullyParsed = true;
  97 </script>
  98
  99 </body>
 100 </html>