1 files changed, 170 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/texture-offset-non-constant-offset.html b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/texture-offset-non-constant-offset.html
new file mode 100644
index 0000000000..8fd483140d
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/texture-offset-non-constant-offset.html
@@ -0,0 +1,170 @@
+<!--
+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>GLSL texture offset with non-constant offset 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>
+<script src="../../js/glsl-conformance-test.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script id="fshaderTextureOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec2 u_texCoord;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureOffset(u_sampler, u_texCoord, offset);
+}
+</script>
+<script id="fshaderTextureProjOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec4 u_texCoord;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureProjOffset(u_sampler, u_texCoord, offset);
+}
+</script>
+<script id="fshaderTextureLodOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec2 u_texCoord;
+uniform float u_lod;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureLodOffset(u_sampler, u_texCoord, u_lod, offset);
+}
+</script>
+<script id="fshaderTextureProjLodOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec4 u_texCoord;
+uniform float u_lod;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureProjLodOffset(u_sampler, u_texCoord, u_lod, offset);
+}
+</script>
+<script id="fshaderTextureGradOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec2 u_texCoord;
+uniform vec2 u_dPdx;
+uniform vec2 u_dPdy;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureGradOffset(u_sampler, u_texCoord, u_dPdx, u_dPdy, offset);
+}
+</script>
+<script id="fshaderTextureProjGradOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec4 u_texCoord;
+uniform vec2 u_dPdx;
+uniform vec2 u_dPdy;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = textureProjGradOffset(u_sampler, u_texCoord, u_dPdx, u_dPdy, offset);
+}
+</script>
+<script id="fshaderTexelFetchOffset" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+
+out vec4 my_FragColor;
+uniform sampler2D u_sampler;
+uniform vec2 u_texCoord;
+uniform vec2 u_lod;
+
+void main() {
+    ivec2 offset = ivec2(0);
+    my_FragColor = texelFetchOffset(u_sampler, ivec2(u_texCoord), int(u_lod), offset);
+}
+</script>
+<script type="application/javascript">
+"use strict";
+description("A non-constant offset is not valid in texture offset functions.");
+
+var wtu = WebGLTestUtils;
+
+var shaderTextureOffsetSrc = wtu.getScript('fshaderTextureOffset');
+var shaderTextureLodOffsetSrc = wtu.getScript('fshaderTextureLodOffset');
+var shaderTextureGradOffsetSrc = wtu.getScript('fshaderTextureGradOffset');
+var shaderTextureProjOffsetSrc = wtu.getScript('fshaderTextureProjOffset');
+var shaderTextureProjLodOffsetSrc = wtu.getScript('fshaderTextureProjLodOffset');
+var shaderTextureProjGradOffsetSrc = wtu.getScript('fshaderTextureProjGradOffset');
+var shaderTexelFetchOffsetSrc = wtu.getScript('fshaderTexelFetchOffset');
+
+var gl = wtu.create3DContext(undefined, undefined, 2);
+
+if (!gl) {
+    testFailed("Unable to initialize WebGL 2.0 context.");
+} else {
+    GLSLConformanceTester.runTests([
+    {
+        fShaderSource: shaderTextureOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'textureOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTextureLodOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'textureLodOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTextureGradOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'textureGradOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTextureProjOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'textureProjOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTextureProjLodOffsetSrc,
+        fShaderSuccess: false,
+         passMsg: 'textureProjLodOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTextureProjGradOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'textureProjGradOffset with non-constant offset is invalid'
+    },
+    {
+        fShaderSource: shaderTexelFetchOffsetSrc,
+        fShaderSuccess: false,
+        passMsg: 'texelFetchOffset with non-constant offset is invalid'
+    }
+    ], 2);
+}
+</script>
+</body>
+</html>