| // Copyright 2018 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 |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef INCLUDE_DAWN_NATIVE_METALBACKEND_H_ |
| #define INCLUDE_DAWN_NATIVE_METALBACKEND_H_ |
| |
| #include "dawn/native/dawn_native_export.h" |
| #include "dawn/webgpu.h" |
| |
| #if defined(__OBJC__) |
| #import <Metal/Metal.h> |
| #endif |
| |
| namespace dawn::native::metal { |
| |
| // When making Metal interop with other APIs, we need to be careful that QueueSubmit doesn't |
| // mean that the operations will be visible to other APIs/Metal devices right away. macOS |
| // does have a global queue of graphics operations, but the command buffers are inserted there |
| // when they are "scheduled". Submitting other operations before the command buffer is |
| // scheduled could lead to races in who gets scheduled first and incorrect rendering. |
| DAWN_NATIVE_EXPORT void WaitForCommandsToBeScheduled(WGPUDevice device); |
| |
| #if defined(__OBJC__) |
| // Return the MTLDevice corresponding to the WGPUDevice. |
| DAWN_NATIVE_EXPORT id<MTLDevice> GetMTLDevice(WGPUDevice device); |
| #endif |
| |
| } // namespace dawn::native::metal |
| |
| #endif // INCLUDE_DAWN_NATIVE_METALBACKEND_H_ |