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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/sampler-array-using-loop-index.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/sampler-array-using-loop-index.html | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/sampler-array-using-loop-index.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/sampler-array-using-loop-index.html new file mode 100644 index 0000000000..c5707a1f89 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/bugs/sampler-array-using-loop-index.html @@ -0,0 +1,81 @@ +<!-- +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>Sampler arrays using loop index should compile fine.</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> +<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vshader" type="x-shader/x-vertex"> +attribute vec4 vPosition; +void main() +{ + gl_Position = vPosition; +} +</script> + +<script id="fshader" type="x-shader/x-fragment"> +precision mediump float; +uniform sampler2D uni[2]; + +float zero(int x) +{ + return float(x) - float(x); +} + +void main() +{ + vec4 c = vec4(0,0,0,0); + for (int ii = 1; ii < 3; ++ii) { + if (c.x > 255.0) { + c.x = 255.0 + zero(ii); + break; + } + c += texture2D(uni[ii - 1], vec2(0.5, 0.5)); + } + gl_FragColor = c; +} +</script> +<script> +"use strict"; +description(document.title); +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("example"); +var program = wtu.setupTexturedQuad(gl); + +//------------------------------------------------------------------------------ +var program = wtu.setupProgram( + gl, ['vshader', 'fshader'], ['vPosition'], undefined, true); + +for (var ii = 0; ii < 2; ++ii) { + var loc = gl.getUniformLocation(program, "uni[" + ii + "]"); + gl.activeTexture(gl.TEXTURE0 + ii); + var tex = gl.createTexture(); + wtu.fillTexture(gl, tex, 1, 1, [32, 16, 8, ii * 9], 0); + gl.uniform1i(loc, ii); +} + +wtu.clearAndDrawUnitQuad(gl); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); +wtu.checkCanvas(gl, [64, 32, 16, 9], + "Should render correctly", 1); + +var successfullyParsed = true; + +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> + |