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| /* |
| ** Copyright (c) 2015 The Khronos Group Inc. |
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| ** "Materials"), to deal in the Materials without restriction, including |
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| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL cube map out of order upload 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/glsl-conformance-test.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="example" width="64" height="64"> |
| </canvas> |
| <script> |
| "use strict"; |
| description("Test out of order cube map uploads."); |
| debug("Regression test for crbug.com/473739 / Apple Radar 20444072."); |
| |
| <!-- Thanks to Gregg Tavares for the original report and test case. --> |
| |
| var wtu = WebGLTestUtils; |
| |
| var canvas = document.getElementById("example"); |
| canvas.addEventListener('webglcontextlost', contextLost, false); |
| |
| var contextWasLost = false; |
| |
| function contextLost(e) { |
| e.preventDefault(); |
| contextWasLost = true; |
| debug("***context lost -- should not happen***"); |
| } |
| |
| var dataWidth = 256; |
| var dataHeight = 256; |
| var gl = wtu.create3DContext(canvas); |
| var tex = gl.createTexture(); |
| // start with 1x1 pixel cubemap |
| gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); |
| var color = new Uint8Array([128, 192, 255, 255]); |
| for (var ii = 0; ii < 6; ++ii) { |
| gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X + ii, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, color); |
| } |
| gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); |
| gl.generateMipmap(gl.TEXTURE_CUBE_MAP); // there's no need to call this but the code doesn't check the size. |
| |
| var textureData = new Uint8Array(dataWidth * dataHeight * 4); |
| |
| // The first texture has downlaoded |
| var first = 1; |
| gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); |
| gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X + first, 0, gl.RGBA, dataWidth, dataHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureData); |
| |
| // Now because the first face downloaded doesn't match the other 5 faces upload the same image to the other 5 |
| // 1x1 faces |
| for (var ii = 0; ii < 6; ++ii) { |
| if (ii !== first) { |
| gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); |
| gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X + ii, 0, gl.RGBA, dataWidth, dataHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureData); |
| } |
| } |
| gl.generateMipmap(gl.TEXTURE_CUBE_MAP); |
| |
| // Now as each new face comes in add it |
| for (var ii = 0; ii < 6; ++ii) { |
| if (ii !== first) { |
| gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); |
| gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X + ii, 0, gl.RGBA, dataWidth, dataHeight, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureData); |
| gl.generateMipmap(gl.TEXTURE_CUBE_MAP); |
| } |
| } |
| |
| gl.flush(); |
| |
| setTimeout(function() { |
| shouldBe("contextWasLost", "false"); |
| finishTest(); |
| }, 1000); |
| |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |