| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_GFX_FRAME_DATA_H_ |
| #define UI_GFX_FRAME_DATA_H_ |
| |
| #include <cstdint> |
| |
| namespace gfx { |
| |
| // Contains per frame data, and is passed along with SwapBuffer, PostSubbuffer, |
| // CommitOverlayPlanes type methods. |
| struct FrameData { |
| explicit FrameData(int64_t seq = -1) : seq(seq) {} |
| ~FrameData() = default; |
| |
| // Sequence number for this frame. The reserved value of -1 means that there |
| // is no sequence number specified (that is, corresponds to no sequence |
| // point). This may happen for some cases, like the ozone demo, tests, or |
| // users of GLSurface other than SkiaRenderer. |
| int64_t seq = -1; |
| |
| // Used to track swap of this frame swap with tracing. The value is taken from |
| // |viz::Display::swapped_trace_id|. |
| int64_t swap_trace_id = -1; |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_FRAME_DATA_H_ |
