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Diffstat (limited to 'image/test/reftest/colordepth.html')
| -rw-r--r-- | image/test/reftest/colordepth.html | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/image/test/reftest/colordepth.html b/image/test/reftest/colordepth.html new file mode 100644 index 0000000000..15d2c9f95f --- /dev/null +++ b/image/test/reftest/colordepth.html @@ -0,0 +1,16 @@ +<script> +/* + * Almost all of the image decoding reftests require the display to be in + * 24-bit color mode, or else the rendered images will have subtle color + * variations and will fail. + * The Windows test boxes used to have a tendency to flip to 16-bit color mode, + * so this test will explicitly check the color depth to make it more obvious + * when the requirement is not met. (See bug 414720.) + * 24-bit is only a minimum, allow higher values too. (See bug 458847.) + */ + +var colorDepth = window.screen.colorDepth; + +if (colorDepth < 24) + document.write("ERROR: color depth is only " + colorDepth + "."); +</script> |