Index: third_party/webgl/sdk/tests/conformance/canvas/framebuffer-bindings-unaffected-on-resize.html |
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--- third_party/webgl/sdk/tests/conformance/canvas/framebuffer-bindings-unaffected-on-resize.html (revision 0) |
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+<!-- |
+ |
+/* |
+** Copyright (c) 2012 The Khronos Group Inc. |
+** |
+** Permission is hereby granted, free of charge, to any person obtaining a |
+** copy of this software and/or associated documentation files (the |
+** "Materials"), to deal in the Materials without restriction, including |
+** without limitation the rights to use, copy, modify, merge, publish, |
+** distribute, sublicense, and/or sell copies of the Materials, and to |
+** permit persons to whom the Materials are furnished to do so, subject to |
+** the following conditions: |
+** |
+** The above copyright notice and this permission notice shall be included |
+** in all copies or substantial portions of the Materials. |
+** |
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
+*/ |
+ |
+--> |
+ |
+<!DOCTYPE html> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<title>Verifies that GL framebuffer bindings do not change when canvas is resized</title> |
+<link rel="stylesheet" href="../../resources/js-test-style.css"/> |
+<script src="../../resources/js-test-pre.js"></script> |
+<script src="../resources/webgl-test.js"></script> |
+<script src="../resources/webgl-test-utils.js"></script> |
+</head> |
+<body> |
+<canvas id="example" width="4px" height="4px"></canvas> |
+<div id="description"></div> |
+<div id="console"></div> |
+<script> |
+description("Verifies that GL framebuffer bindings do not change when canvas is resized"); |
+ |
+if (window.initNonKhronosFramework) { |
+ window.initNonKhronosFramework(true); |
+} |
+ |
+var err; |
+var wtu = WebGLTestUtils; |
+var canvas = document.getElementById("example"); |
+var gl = wtu.create3DContext(canvas); |
+var green = [0, 255, 0, 255]; |
+var blue = [0, 0, 255, 255]; |
+var fboSize = 2; |
+shouldBeTrue("fboSize < canvas.width"); |
+var fbo = gl.createFramebuffer(); |
+gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); |
+var fboTex = gl.createTexture(); |
+gl.activeTexture(gl.TEXTURE1); |
+gl.bindTexture(gl.TEXTURE_2D, fboTex); |
+gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fboTex, 0); |
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, fboSize, fboSize, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
+shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE"); |
+ |
+function checkFBO(color, msg) { |
+ wtu.checkCanvasRect(gl, 0, 0, fboSize, fboSize, color, msg); |
+ wtu.checkCanvasRect(gl, fboSize, fboSize, fboSize, fboSize, [0, 0, 0, 0], "area outside fbo should be transparent black"); |
+} |
+ |
+// The FBO is 2x2 and it's bound so clearing should clear a 2x2 area |
+// and calling read pixels should read the clear color in that 2x2 area |
+// and 0,0,0,0 outside that area. |
+// |
+// If the FBO is no longer bound because of a WebGL implementation error |
+// then likely the clear will clear the backbuffer and reading outside |
+// the 2x2 area will not be 0,0,0,0 |
+ |
+function test() { |
+ gl.clearColor(0, 0, 1, 1); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ checkFBO(blue, "should be blue"); |
+ gl.clearColor(0, 1, 0, 1); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ checkFBO(green, "should be green"); |
+} |
+ |
+debug("test before resizing canvas"); |
+test(); |
+debug("test after resizing canvas"); |
+canvas.width = 8; |
+test(); |
+debug("test after resizing canvas and waiting for compositing"); |
+canvas.width = 16; |
+wtu.waitFrames(5, function() { |
+ test(); |
+ finishTest(); |
+ glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); |
+}); |
+ |
+successfullyParsed = true; |
+</script> |
+</body> |
+</html> |
+ |
Property changes on: third_party/webgl/sdk/tests/conformance/canvas/framebuffer-bindings-unaffected-on-resize.html |
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Added: svn:eol-style |
+ LF |