The Tor Browser: gfx/tests/gtest/TestLayers.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* vim:set ts=2 sw=2 sts=2 et: */

     2 /* Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/publicdomain/zero/1.0/

     4  */

     6 #ifndef GFX_TEST_LAYERS_H

     7 #define GFX_TEST_LAYERS_H

     9 #include "Layers.h"

    10 #include "nsTArray.h"

    12 /* Create layer tree from a simple layer tree description syntax.

    13  * Each index is either the first letter of the layer type or

    14  * a '(',')' to indicate the start/end of the child layers.

    15  * The aim of this function is to remove hard to read

    16  * layer tree creation code.

    17  *

    18  * Example "c(c(c(tt)t))" would yield:

    19  *          c

    20  *          |

    21  *          c

    22  *         / \

    23  *        c   t

    24  *       / \

    25  *      t   t

    26  */

    27 already_AddRefed<mozilla::layers::Layer> CreateLayerTree(

    28     const char* aLayerTreeDescription,

    29     nsIntRegion* aVisibleRegions,

    30     const gfx3DMatrix* aTransforms,

    31     nsRefPtr<mozilla::layers::LayerManager>& aLayerManager,

    32     nsTArray<nsRefPtr<mozilla::layers::Layer> >& aLayersOut);

    35 #endif

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