| <html> |
| <head> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| <script src="resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <canvas id="testbed" width="16" height="16"></canvas> |
| <canvas id="c" width="16" height="16"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| description('Tests texSubImage2D with bad arguments'); |
| |
| if (window.internals) |
| window.internals.settings.setWebGLErrorsToConsoleEnabled(false); |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("testbed"); |
| var c = document.getElementById("c"); |
| |
| var gl = wtu.create3DContext(canvas); |
| var tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "Setup should succeed"); |
| |
| // FIXME: this behavior is still being discussed on the public_webgl mailing list and may |
| // need to be changed to throw TypeError because the argument is not nullable. |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 4, 4, gl.RGBA, gl.UNSIGNED_BYTE, null); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "null argument"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 1, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "y + height > texture height"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "x + width > texture width"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, -1, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "negative x"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, -1, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "negative y"); |
| gl.texSubImage2D(gl.TEXTURE_2D, -1, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_VALUE, "negative level"); |
| gl.texSubImage2D(gl.FLOAT, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_ENUM, "bad target"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "good args"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "format not same as original"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "type not same as original"); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "make texture RGB"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "format same as original RGB"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "format not same as original RGB"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_SHORT_5_6_5, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "type not same as original RGB"); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "make texture RGBA 4_4_4_4"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); |
| glErrorShouldBe(gl, gl.NO_ERROR, "format same as original RGBA 4_4_4_4"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "format not same as original RGBA 4_4_4_4"); |
| gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); |
| glErrorShouldBe(gl, gl.INVALID_OPERATION, "type not same as original RGBA 4_4_4_4"); |
| </script> |
| </body> |
| </html> |
