| // Copyright 2022 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef SRC_DAWN_NATIVE_VULKAN_EXTERNALHANDLE_H_ |
| #define SRC_DAWN_NATIVE_VULKAN_EXTERNALHANDLE_H_ |
| |
| #include "dawn/common/vulkan_platform.h" |
| |
| namespace dawn::native::vulkan { |
| |
| #if DAWN_PLATFORM_IS(ANDROID) |
| // AHardwareBuffer |
| using ExternalMemoryHandle = struct AHardwareBuffer*; |
| // File descriptor |
| using ExternalSemaphoreHandle = int; |
| const ExternalSemaphoreHandle kNullExternalSemaphoreHandle = -1; |
| #elif DAWN_PLATFORM_IS(LINUX) |
| // File descriptor |
| using ExternalMemoryHandle = int; |
| // File descriptor |
| using ExternalSemaphoreHandle = int; |
| const ExternalSemaphoreHandle kNullExternalSemaphoreHandle = -1; |
| #elif DAWN_PLATFORM_IS(FUCHSIA) |
| // Really a Zircon vmo handle. |
| using ExternalMemoryHandle = zx_handle_t; |
| // Really a Zircon event handle. |
| using ExternalSemaphoreHandle = zx_handle_t; |
| const ExternalSemaphoreHandle kNullExternalSemaphoreHandle = ZX_HANDLE_INVALID; |
| #else |
| // Generic types so that the Null service can compile, not used for real handles |
| using ExternalMemoryHandle = void*; |
| using ExternalSemaphoreHandle = void*; |
| const ExternalSemaphoreHandle kNullExternalSemaphoreHandle = nullptr; |
| #endif |
| |
| } // namespace dawn::native::vulkan |
| |
| #endif // SRC_DAWN_NATIVE_VULKAN_EXTERNALHANDLE_H_ |