| // Copyright 2015 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 UI_GFX_BUFFER_TYPES_H_ |
| #define UI_GFX_BUFFER_TYPES_H_ |
| |
| namespace gfx { |
| |
| // The format needs to be taken into account when mapping a buffer into the |
| // client's address space. |
| enum class BufferFormat { |
| ATC, |
| ATCIA, |
| DXT1, |
| DXT5, |
| ETC1, |
| R_8, |
| RGBA_4444, |
| RGBA_8888, |
| RGBX_8888, |
| BGRA_8888, |
| YUV_420, |
| YUV_420_BIPLANAR, |
| |
| LAST = YUV_420_BIPLANAR |
| }; |
| |
| // The usage mode affects how a buffer can be used. Only buffers created with |
| // MAP can be mapped into the client's address space and accessed by the CPU. |
| // PERSISTENT_MAP adds the additional condition that successive Map() calls |
| // (with Unmap() calls between) will return a pointer to the same memory |
| // contents. |
| enum class BufferUsage { MAP, PERSISTENT_MAP, SCANOUT, LAST = SCANOUT }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_BUFFER_TYPES_H_ |