Add m-esr52 at 52.6.0

author: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
committer: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
commit: 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree: 10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers
parent: 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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5 files changed, 554 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/00_test_list.txt b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/00_test_list.txt
new file mode 100644
index 000000000..c0f612d81
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/00_test_list.txt
@@ -0,0 +1,4 @@
+glsl-function-texture2d-bias.html
+glsl-function-texture2dlod.html
+glsl-function-texture2dproj.html
+--min-version 1.0.3 glsl-function-texture2dprojlod.html
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html
new file mode 100644
index 000000000..da197eb15
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html
@@ -0,0 +1,122 @@
+<!--
+
+/*
+** 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>WebGL texture2D GLSL conformance test.</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="256" height="256" style="width: 16px; height: 16px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader2d" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main() {
+    gl_Position = vPosition;
+    texCoord = texCoord0;
+}
+</script>
+<script id="fshader2d" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D tex;
+uniform float bias;
+varying vec2 texCoord;
+void main() {
+    gl_FragData[0] = texture2D(tex, texCoord, bias);
+}
+</script>
+<script>
+"use strict";
+description("tests GLSL texture2D function with bias");
+
+var wtu = WebGLTestUtils;
+var canvas = document.getElementById("example");
+
+shouldBe("canvas.width", "256");
+shouldBe("canvas.height", "256");
+
+var gl = wtu.create3DContext(canvas);
+var program = wtu.setupProgram(
+    gl, ['vshader2d', 'fshader2d'], ['vPosition', 'texCoord0'], [0, 1]);
+wtu.setupUnitQuad(gl, 0, 1);
+
+var colors = [
+  {name: 'red', color:[255, 0, 0, 255]},
+  {name: 'green', color:[0, 255, 0, 255]},
+  {name: 'blue', color:[0, 0, 255, 255]},
+  {name: 'yellow', color:[255, 255, 0, 255]},
+  {name: 'magenta', color:[255, 0, 255, 255]},
+  {name: 'cyan', color:[0, 255, 255, 255]},
+  {name: 'pink', color:[255, 128, 128, 255]},
+  {name: 'gray', color:[128, 128, 128, 255]},
+  {name: 'light green', color:[128, 255, 128, 255]},
+];
+
+shouldBe("colors.length", "9");
+
+var tex = gl.createTexture();
+gl.bindTexture(gl.TEXTURE_2D, tex);
+gl.texParameteri(
+    gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+
+for (var ii = 0; ii < colors.length; ++ii) {
+  var color = colors[ii];
+  var size = Math.pow(2, colors.length - ii - 1);
+  wtu.fillTexture(gl, tex, size, size, color.color, ii);
+}
+
+var loc = gl.getUniformLocation(program, "bias");
+
+for (var ii = 0; ii < colors.length; ++ii) {
+  gl.uniform1f(loc, ii);
+  var color = colors[ii];
+  wtu.clearAndDrawUnitQuad(gl);
+  wtu.checkCanvas(
+      gl, color.color,
+      "256x256 texture drawn to 256x256 dest with bias = " + ii +
+      " should be " + color.name);
+}
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+
+var successfullyParsed = true;
+
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dlod.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dlod.html
new file mode 100644
index 000000000..2f1a8f95f
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dlod.html
@@ -0,0 +1,130 @@
+<!--
+
+/*
+** 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>WebGL texture2D GLSL conformance test.</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="256" height="256" style="width: 16px; height: 16px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader2d" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec4 color;
+uniform sampler2D tex;
+uniform float lod;
+void main() {
+    gl_Position = vPosition;
+    color = texture2DLod(tex, texCoord0, lod);
+}
+</script>
+<script id="fshader2d" type="x-shader/x-fragment">
+precision mediump float;
+varying vec4 color;
+void main() {
+    gl_FragData[0] = color;
+}
+</script>
+<script>
+"use strict";
+description("tests GLSL texture2DLod function");
+
+var wtu = WebGLTestUtils;
+var canvas = document.getElementById("example");
+
+shouldBe("canvas.width", "256");
+shouldBe("canvas.height", "256");
+
+var colors = [
+  {name: 'red', color:[255, 0, 0, 255]},
+  {name: 'green', color:[0, 255, 0, 255]},
+  {name: 'blue', color:[0, 0, 255, 255]},
+  {name: 'yellow', color:[255, 255, 0, 255]},
+  {name: 'magenta', color:[255, 0, 255, 255]},
+  {name: 'cyan', color:[0, 255, 255, 255]},
+  {name: 'pink', color:[255, 128, 128, 255]},
+  {name: 'gray', color:[128, 128, 128, 255]},
+  {name: 'light green', color:[128, 255, 128, 255]},
+];
+
+var gl = wtu.create3DContext(canvas);
+if (gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS) > 0) {
+  runTest();
+} else {
+  testPassed("MAX_VERTEX_TEXTURE_IMAGE_UNITS == 0, this is okay.");
+}
+
+function runTest() {
+  var program = wtu.setupProgram(
+      gl, ['vshader2d', 'fshader2d'], ['vPosition', 'texCoord0'], [0, 1]);
+  wtu.setupUnitQuad(gl, 0, 1);
+
+  shouldBe("colors.length", "9");
+
+  var tex = gl.createTexture();
+  gl.bindTexture(gl.TEXTURE_2D, tex);
+  gl.texParameteri(
+      gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+  gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+
+  for (var ii = 0; ii < colors.length; ++ii) {
+    var color = colors[ii];
+    var size = Math.pow(2, colors.length - ii - 1);
+    wtu.fillTexture(gl, tex, size, size, color.color, ii);
+  }
+
+  var loc = gl.getUniformLocation(program, "lod");
+
+  for (var ii = 0; ii < colors.length; ++ii) {
+    gl.uniform1f(loc, ii);
+    var color = colors[ii];
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(
+        gl, color.color,
+        "256x256 texture drawn to 256x256 dest with lod = " + ii +
+        " should be " + color.name);
+  }
+  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+}
+
+var successfullyParsed = true;
+
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dproj.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dproj.html
new file mode 100644
index 000000000..6d5c81cb7
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dproj.html
@@ -0,0 +1,137 @@
+<!--
+
+/*
+** 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>WebGL texture2D GLSL conformance test.</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="32" height="32"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader0" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main() {
+    gl_Position = vPosition;
+    texCoord = texCoord0;
+}
+</script>
+<script id="fshader0" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D tex;
+uniform float divisor;
+varying vec2 texCoord;
+void main() {
+    gl_FragData[0] = texture2DProj(tex, vec3(texCoord, divisor));
+}
+</script>
+<script id="vshader1" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main() {
+    gl_Position = vPosition;
+    texCoord = texCoord0;
+}
+</script>
+<script id="fshader1" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D tex;
+uniform float divisor;
+varying vec2 texCoord;
+void main() {
+    gl_FragData[0] = texture2DProj(tex, vec4(texCoord, 123.0, divisor));
+}
+</script>
+<script>
+"use strict";
+description("tests GLSL texture2DProj function with");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("example", {antialias: false});
+
+wtu.setupUnitQuad(gl, 0, 1);
+var tex = gl.createTexture();
+gl.bindTexture(gl.TEXTURE_2D, tex);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+
+var c = document.createElement("canvas");
+c.width = 16;
+c.height = 16;
+var ctx = c.getContext("2d");
+ctx.fillStyle = "rgb(0,255,0)";
+ctx.fillRect(0, 0, 16, 16);
+ctx.fillStyle = "rgb(0,0,255)";
+ctx.fillRect(0, 0, 8, 8);
+ctx.fillRect(8, 8, 8, 8);
+
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c);
+
+for (var ss = 0; ss < 2; ++ss) {
+  debug("");
+  debug(ss ? "testing vec4 version" : "testing vec3 version");
+  var program = wtu.setupProgram(
+      gl, ['vshader' + ss, 'fshader' + ss],
+      ['vPosition', 'texCoord0'], [0, 1]);
+  gl.useProgram(program);
+  var loc = gl.getUniformLocation(program, "divisor");
+
+  for (var ii = 0; ii < 3; ++ii) {
+    var denominator = Math.pow(2, ii);
+    gl.uniform1f(loc, 1 / denominator);
+    wtu.clearAndDrawUnitQuad(gl);
+    var size = 16 / denominator;
+    for (var yy = 0; yy < 32; yy += size) {
+      for (var xx = 0; xx < 32; xx += size) {
+        var odd = (xx / size + yy / size) % 2;
+        var color = odd ? [0, 255, 0, 255] : [0, 0, 255, 255];
+        var msg = "" + xx + ", " + yy + ", " + size + ", " + size + " should be " + (odd ? "green" : "blue");
+        wtu.checkCanvasRect(gl, xx, yy, size, size, color, msg);
+      }
+    }
+  }
+}
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+
+var successfullyParsed = true;
+
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dprojlod.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dprojlod.html
new file mode 100644
index 000000000..388ec09a1
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2dprojlod.html
@@ -0,0 +1,161 @@
+<!--
+
+/*
+** Copyright (c) 2014 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>WebGL texture2D GLSL conformance test.</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="256" height="256" style="width: 16px; height: 16px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader2d0" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+varying vec4 color;
+uniform sampler2D tex;
+uniform float divisor;
+uniform float lod;
+void main() {
+    gl_Position = vPosition;
+    color = texture2DProjLod(tex, vec3(0.75 * divisor, 0.25 * divisor, divisor), lod);
+}
+</script>
+<script id="vshader2d1" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+varying vec4 color;
+uniform sampler2D tex;
+uniform float divisor;
+uniform float lod;
+void main() {
+    gl_Position = vPosition;
+    color = texture2DProjLod(tex, vec4(0.75 * divisor, 0.25 * divisor, 123.0, divisor), lod);
+}
+</script>
+<script id="fshader2d" type="x-shader/x-fragment">
+precision mediump float;
+varying vec4 color;
+void main() {
+    gl_FragData[0] = color;
+}
+</script>
+<script>
+"use strict";
+description("tests GLSL texture2DProjLod function");
+
+var wtu = WebGLTestUtils;
+var canvas = document.getElementById("example");
+
+shouldBe("canvas.width", "256");
+shouldBe("canvas.height", "256");
+
+var colors = [
+  {name: 'red', color:[255, 0, 0, 255]},
+  {name: 'green', color:[0, 255, 0, 255]},
+  {name: 'blue', color:[0, 0, 255, 255]},
+  {name: 'yellow', color:[255, 255, 0, 255]},
+  {name: 'magenta', color:[255, 0, 255, 255]},
+  {name: 'cyan', color:[0, 255, 255, 255]},
+  {name: 'pink', color:[255, 128, 128, 255]},
+  {name: 'gray', color:[128, 128, 128, 255]},
+  {name: 'light green', color:[128, 255, 128, 255]},
+];
+
+var gl = wtu.create3DContext(canvas);
+if (gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS) > 0) {
+  runTest();
+} else {
+  testPassed("MAX_VERTEX_TEXTURE_IMAGE_UNITS == 0, this is okay.");
+}
+
+function runTest() {
+  shouldBe("colors.length", "9");
+  for (var ss = 0; ss < 2; ++ss) {
+    debug("");
+    debug(ss ? "testing vec4 version" : "testing vec3 version");
+    var program = wtu.setupProgram(
+        gl, ['vshader2d' + ss, 'fshader2d'], ['vPosition', 'texCoord0'], [0, 1]);
+    wtu.setupUnitQuad(gl, 0, 1);
+
+    var tex = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, tex);
+    gl.texParameteri(
+        gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+
+    // Fill the top right quadrant of each texture level with one of the colors
+    for (var ii = 0; ii < colors.length; ++ii) {
+      var color = colors[ii];
+      var size = Math.pow(2, colors.length - ii - 1);
+
+      var c = document.createElement("canvas");
+      c.width = size;
+      c.height = size;
+      var ctx = c.getContext("2d");
+      ctx.fillStyle = "rgb(0,0,0)";
+      ctx.fillRect(0, 0, size, size);
+      ctx.fillStyle = "rgb(" + color.color[0] + "," + color.color[1] + "," + color.color[2] + ")";
+      ctx.fillRect(size / 2, 0, size / 2, size / 2);
+
+      gl.texImage2D(gl.TEXTURE_2D, ii, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c);
+    }
+
+    var lodLoc = gl.getUniformLocation(program, "lod");
+    var divLoc = gl.getUniformLocation(program, "divisor");
+
+    for (var div = 1; div < 4; ++div) {
+      for (var ii = 0; ii < colors.length - 1; ++ii) {
+        gl.uniform1f(lodLoc, ii);
+        gl.uniform1f(divLoc, div);
+        var lodColor = colors[ii];
+        var size = Math.pow(2, colors.length - ii - 1);
+        wtu.clearAndDrawUnitQuad(gl);
+        wtu.checkCanvas(
+            gl, lodColor.color,
+            "sampling with lod = " + ii +
+            " divider = " + div +
+            " should be " + lodColor.name);
+      }
+    }
+  }
+  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+}
+
+var successfullyParsed = true;
+
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>
author	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
committer	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
commit	5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree	10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers
parent	49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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