| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_METAL_UTIL_HDR_COPIER_LAYER_H_ |
| #define COMPONENTS_METAL_UTIL_HDR_COPIER_LAYER_H_ |
| |
| #include "components/metal_util/metal_util_export.h" |
| |
| @class CALayer; |
| |
| namespace metal { |
| |
| // Create a layer which may have its contents set an HDR IOSurface via |
| // the -[CALayer setContents:] method. |
| // - The IOSurface specified to setContents must have pixel format |
| // kCVPixelFormatType_64RGBAHalf or kCVPixelFormatType_ARGB2101010LEPacked, |
| // any other pixel formats will be NOTREACHED. |
| // - This layer will, in setContents, blit the contents of the specified |
| // IOSurface to an HDR-capable CAMetalLayer. |
| CALayer* METAL_UTIL_EXPORT CreateHDRCopierLayer(); |
| |
| } // namespace metal |
| |
| #endif // COMPONENTS_METAL_UTIL_HDR_COPIER_LAYER_H_ |
