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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html new file mode 100644 index 0000000000..5866a3c38b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html @@ -0,0 +1,126 @@ +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL WEBGL_draw_buffers FRAMEBUFFER_UNSUPPORTED 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> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="2" height="2"> </canvas> + +<script> +"use strict"; +var wtu = WebGLTestUtils; +var gl; +var canvas = document.getElementById("canvas"); +var fb1 = null; +var fb2 = null; + +function checkFramebuffer(expected) { + var actual = gl.checkFramebufferStatus(gl.FRAMEBUFFER); + if (expected.indexOf(actual) < 0) { + var msg = "checkFramebufferStatus expects ["; + for (var index = 0; index < expected.length; ++index) { + msg += wtu.glEnumToString(gl, expected[index]); + if (index + 1 < expected.length) + msg += ", "; + } + msg += "], was " + wtu.glEnumToString(gl, actual); + testFailed(msg); + } else { + var msg = "checkFramebufferStatus got " + wtu.glEnumToString(gl, actual) + + " as expected"; + testPassed(msg); + } +} + +function testImageAttachedTwoPoints() { + debug(""); + debug("Checking an image is attached to more than one color attachment in a framebuffer."); + + var tex1 = gl.createTexture(); + var tex2 = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex1); + gl.texImage2D(gl.TEXTURE_2D, + 0, // level + gl.RGBA, // internalFormat + 1, // width + 1, // height + 0, // border + gl.RGBA, // format + gl.UNSIGNED_BYTE, // type + new Uint8Array(4)); // data + gl.bindTexture(gl.TEXTURE_2D, tex2); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4)); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture creation should succeed."); + + gl.bindFramebuffer(gl.FRAMEBUFFER, fb1); + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT0_WEBGL, gl.TEXTURE_2D, tex1, 0); + checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT1_WEBGL, gl.TEXTURE_2D, tex2, 0); + checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT2_WEBGL, gl.TEXTURE_2D, tex1, 0); + checkFramebuffer([gl.FRAMEBUFFER_UNSUPPORTED]); + + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb2); + var texCube = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCube); + for (var target = gl.TEXTURE_CUBE_MAP_POSITIVE_X; target < gl.TEXTURE_CUBE_MAP_POSITIVE_X + 6; target++) { + gl.texImage2D(target, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4)); + } + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT0_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_X, texCube, 0); + checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT1_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_Y, texCube, 0); + checkFramebuffer([gl.FRAMEBUFFER_COMPLETE]); + gl.framebufferTexture2D(gl.FRAMEBUFFER, ext.COLOR_ATTACHMENT2_WEBGL, gl.TEXTURE_CUBE_MAP_POSITIVE_X, texCube, 0); + checkFramebuffer([gl.FRAMEBUFFER_UNSUPPORTED]); + + // Clean up + gl.deleteTexture(tex1); + gl.deleteTexture(tex2); + gl.deleteTexture(texCube); +} + +description("This tests FRAMEBUFFER_UNSUPPORTED."); + +shouldBeNonNull("gl = wtu.create3DContext(undefined, undefined, 1)"); +fb1 = gl.createFramebuffer(); +fb2 = gl.createFramebuffer(); + +var ext = gl.getExtension("WEBGL_draw_buffers"); +if (!ext) { + testPassed("No WEBGL_draw_buffers support -- this is legal"); +} else { + var bufs = [ext.COLOR_ATTACHMENT0_WEBGL, ext.COLOR_ATTACHMENT1_WEBGL, ext.COLOR_ATTACHMENT2_WEBGL]; + gl.bindFramebuffer(gl.FRAMEBUFFER, fb1); + ext.drawBuffersWEBGL(bufs); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be able to call drawBuffersWEBGL successfully"); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb2); + ext.drawBuffersWEBGL(bufs); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be able to call drawBuffersWEBGL successfully"); + + testPassed("Successfully enabled WEBGL_draw_buffers extension"); + testImageAttachedTwoPoints(); + + gl.deleteFramebuffer(fb1); + gl.deleteFramebuffer(fb2); +} + +debug(""); +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |