| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"> </script> |
| <script src="resources/webgl-test-utils.js"> </script> |
| </head> |
| <body> |
| <script> |
| var wtu = WebGLTestUtils; |
| // Ideally we would make this test run far longer, but we need to keep |
| // it within a reasonable per-test timeout. |
| var target = 8; |
| var count = 0; |
| |
| if (window.initNonKhronosFramework) { |
| window.initNonKhronosFramework(true); |
| } |
| |
| description('Test that contexts are freed and garbage collected reasonably'); |
| doNextTest(); |
| |
| // Creates a canvas and some textures then exits. There are |
| // no references to either so all should be garbage collected. |
| function test() { |
| var canvas = document.createElement("canvas"); |
| // This is safe for any device. See drawingBufferWidth in spec. |
| canvas.width = 2048; |
| canvas.height = 2048; |
| var gl = wtu.create3DContext(canvas); |
| var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE); |
| var size = Math.min(1024, maxTextureSize); |
| for (var jj = 0; jj < 5; ++jj) { |
| var tex = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, tex); |
| gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, size, size, 0, gl.RGBA, gl.UNSIGNED_BYTE, |
| new Uint8Array(size * size * 4)); |
| } |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); |
| } |
| |
| function doNextTest() { |
| ++count; |
| debug("test " + count + " of " + target); |
| test(); |
| if (count < target) { |
| setTimeout(doNextTest, 100); |
| } else { |
| finishTest(); |
| } |
| } |
| </script> |
| |
| </body> |
| </html> |
