third_party/WebKit/LayoutTests/fast/canvas/webgl/gl-uniformmatrix4fv.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   2   "http://www.w3.org/TR/html4/loose.dtd">
   3 <html>
   4 <head>
   5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   6 <title>WebGL uniformMatrix Conformance Tests</title>
   7 <script src="../../../resources/js-test.js"></script>
   8 <script src="resources/webgl-test.js"></script>
   9 </head>
  10 <body>
  11 <div id="description"></div>
  12 <div id="console"></div>
  13 <canvas id="example" width="2" height="2"> </canvas>
  14
  15 <script id="vshader" type="x-shader/x-vertex">
  16 attribute vec4 vPosition;
  17 uniform mat4 world4;
  18 uniform mat3 world3;
  19 uniform mat2 world2;
  20 void main()
  21 {
  22   gl_Position = vec4(vPosition.xyz, world3[0].x + world2[0].x) * world4;
  23 }
  24 </script>
  25
  26 <script id="fshader" type="x-shader/x-fragment">
  27 void main()
  28 {
  29   gl_FragColor = vec4(1.0,0.0,0.0,1.0);
  30 }
  31 </script>
  32
  33 <script>
  34 description("This test ensures WebGL implementations handle uniformMatrix in a OpenGL ES 2.0 spec compliant way");
  35
  36 debug("");
  37 debug("Checking gl.uniformMatrix.");
  38
  39 if (window.internals)
  40     window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
  41
  42 gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
  43 for (var ii = 2; ii <= 4; ++ii) {
  44   var loc = gl.getUniformLocation(gl.program, "world" + ii);
  45   var matLess = [];
  46   for (var jj = 0; jj < ii; ++jj) {
  47     for (var ll = 0; ll < ii; ++ll) {
  48       if (jj == ii - 1 && ll == ii - 1)
  49         continue;
  50       matLess[jj * ii + ll] = (jj == ll) ? 1 : 0;
  51     }
  52   }
  53   var mat = matLess.concat([1]);
  54   var matMore = mat.concat([1]);
  55   name = "uniformMatrix" + ii + "fv";
  56   gl[name](loc, false, matLess);
  57   glErrorShouldBe(gl, gl.INVALID_VALUE, "should fail with insufficient array size for " + name);
  58   gl[name](loc, false, mat);
  59   glErrorShouldBe(gl, gl.NO_ERROR, "should succeed with correct array size for " + name);
  60   gl[name](loc, false, matMore);
  61   glErrorShouldBe(gl, gl.INVALID_VALUE, "should fail with more than 1 array size for " + name);
  62
  63   mat[ii * ii - 1] = 1;
  64   gl[name](loc, false, mat);
  65   glErrorShouldBe(gl, gl.NO_ERROR, "can call " + name + "with transpose = false");
  66   gl[name](loc, true, mat);
  67   glErrorShouldBe(gl, gl.INVALID_VALUE, name + " should return INVALID_VALUE with transpose = true");
  68 }
  69
  70 debug("");
  71
  72 </script>
  73
  74 </body>
  75 </html>