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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL2 texture base level bug conformance 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> |
| <script src="../../../js/tests/tex-image-and-sub-image-utils.js"></script> |
| </head> |
| <body> |
| <canvas id="example" width="2" height="2" style="width: 2px; height: 2px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| description(document.title); |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("example"); |
| var gl = wtu.create3DContext("example", undefined, 2); |
| var tiu = TexImageUtils; |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| |
| function runtest() { |
| debug(""); |
| debug("This is a regression test for <a href='https://crbug.com/705865'>Chromium Issue 705865</a>"); |
| var tex = gl.createTexture(); |
| var program = tiu.setupTexturedQuad(gl, "RGBA"); |
| |
| // Test that filling partial levels is enough for mipmapping. |
| var width = 2; |
| var height = 2; |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| wtu.fillTexture(gl, tex, width, height, [255, 0, 0, 255], 2, gl.RGBA, gl.UNSIGNED_BYTE); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_BASE_LEVEL, 2); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture setup should succeed"); |
| |
| canvas.width = width; |
| canvas.height = height; |
| gl.viewport(0, 0, width, height); |
| |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed"); |
| wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); |
| |
| width = 1; |
| height = 1; |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage2D should succeed"); |
| |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR,"checkCanvas should succeed"); |
| |
| gl.deleteTexture(tex); |
| |
| }; |
| |
| runtest(); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
