summaryrefslogtreecommitdiffstats
path: root/dom/canvas/test/webgl-conf/checkout/conformance/rendering/clear-after-copyTexImage2D.html
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/rendering/clear-after-copyTexImage2D.html64
1 files changed, 64 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/rendering/clear-after-copyTexImage2D.html b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/clear-after-copyTexImage2D.html
new file mode 100644
index 0000000000..576b0cc6ce
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/clear-after-copyTexImage2D.html
@@ -0,0 +1,64 @@
+<!--
+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 clear after copyTexImage2D with a non-pure color</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="128" height="128"> </canvas>
+<script>
+"use strict";
+// This test verifies a Intel D3D driver bug.
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas", {"antialias" : "true"});
+
+function testClearAfterCopyTexImage2DWithoutPureOneOrZero(clearColor, expectedColor)
+{
+ gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+ gl.clearColor(0, 0, 0, 1);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+
+ var width = 16;
+ var height = 16;
+ var texture = gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_2D, texture);
+ gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, width, height, 0);
+ gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+
+ wtu.checkCanvasRect(gl, 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight, expectedColor);
+
+ gl.bindTexture(gl.TEXTURE_2D, null);
+ gl.deleteTexture(texture);
+}
+
+description("Test that if clear with a color that has non-0/1 RGB components after copyTexImage2D, the final render color should be consistent with the clear color.");
+
+for(var index = 0; index < 3; index++)
+{
+ var clearColor = [0, 0, 0, 1];
+ var expectedColor = [0, 0, 0, 255];
+ clearColor[index] = 0.8;
+ expectedColor[index] = 255 * clearColor[index];
+ testClearAfterCopyTexImage2DWithoutPureOneOrZero(clearColor, expectedColor);
+}
+
+debug("");
+var successfullyParsed = true;
+
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>