1 files changed, 104 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-svg-image.js b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-svg-image.js
new file mode 100644
index 0000000000..09a108dee8
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-svg-image.js
@@ -0,0 +1,104 @@
+/*
+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.
+*/
+
+function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) {
+    var wtu = WebGLTestUtils;
+    var tiu = TexImageUtils;
+    var gl = null;
+    var successfullyParsed = false;
+    var imgCanvas;
+    var redColor = [255, 0, 0];
+    var greenColor = [0, 255, 0];
+
+    function init()
+    {
+        description('Verify texImage3D and texSubImage3D code paths taking SVG image elements (' + internalFormat + '/' + pixelFormat + '/' + pixelType + ')');
+
+        // Set the default context version while still allowing the webglVersion URL query string to override it.
+        wtu.setDefault3DContextVersion(defaultContextVersion);
+        gl = wtu.create3DContext("example");
+
+        if (!prologue(gl)) {
+            finishTest();
+            return;
+        }
+
+        switch (gl[pixelFormat]) {
+          case gl.RED:
+          case gl.RED_INTEGER:
+            greenColor = [0, 0, 0];
+            break;
+          default:
+            break;
+        }
+
+        gl.clearColor(0,0,0,1);
+        gl.clearDepth(1);
+
+        wtu.loadTexture(gl, resourcePath + "red-green.svg", runTest);
+    }
+
+    function runOneIteration(image, flipY, topColor, bottomColor, bindingTarget, program)
+    {
+        debug('Testing ' + ' with flipY=' + flipY + ' bindingTarget=' +
+              (bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY'));
+        gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+        // Disable any writes to the alpha channel
+        gl.colorMask(1, 1, 1, 0);
+        var texture = gl.createTexture();
+        // Bind the texture to texture unit 0
+        gl.bindTexture(bindingTarget, texture);
+        // Set up texture parameters
+        gl.texParameteri(bindingTarget, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+        gl.texParameteri(bindingTarget, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+        // Set up pixel store parameters
+        gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
+        gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
+        wtu.failIfGLError(gl, 'gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);');
+        // Upload the image into the texture
+        // Initialize the texture to black first
+        gl.texImage3D(bindingTarget, 0, gl[internalFormat], image.width, image.height, 1 /* depth */, 0,
+                      gl[pixelFormat], gl[pixelType], null);
+        gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, image.width, image.height, 1 /* depth */,
+                         gl[pixelFormat], gl[pixelType], image);
+
+        // Draw the triangles
+        wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
+        // Check a few pixels near the top and bottom and make sure they have
+        // the right color.
+        debug("Checking lower left corner");
+        wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
+                            "shouldBe " + bottomColor);
+        debug("Checking upper left corner");
+        wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
+                            "shouldBe " + topColor);
+    }
+
+    function runTest(image)
+    {
+        var program = tiu.setupTexturedQuadWith3D(gl, internalFormat);
+        runTestOnBindingTarget(image, gl.TEXTURE_3D, program);
+        program = tiu.setupTexturedQuadWith2DArray(gl, internalFormat);
+        runTestOnBindingTarget(image, gl.TEXTURE_2D_ARRAY, program);
+
+        wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
+        finishTest();
+    }
+
+    function runTestOnBindingTarget(image, bindingTarget, program) {
+        var cases = [
+            { flipY: true, topColor: redColor, bottomColor: greenColor },
+            { flipY: false, topColor: greenColor, bottomColor: redColor },
+        ];
+        for (var i in cases) {
+            runOneIteration(image, cases[i].flipY,
+                            cases[i].topColor, cases[i].bottomColor,
+                            bindingTarget, program);
+        }
+    }
+
+    return init;
+}