| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #include "config.h" |
| #include "ScopedRenderingResourcesRequest.h" |
| |
| #if PLATFORM(COCOA) |
| |
| #import <Metal/Metal.h> |
| #import <objc/NSObjCRuntime.h> |
| #import <pal/spi/cocoa/MetalSPI.h> |
| #import <wtf/BlockObjCExceptions.h> |
| #import <wtf/RetainPtr.h> |
| #import <wtf/RunLoop.h> |
| #import <wtf/Seconds.h> |
| |
| OBJC_PROTOCOL(MTLDevice); |
| OBJC_PROTOCOL(MTLDeviceSPI); |
| |
| namespace WebKit { |
| |
| static constexpr Seconds freeRenderingResourcesTimeout = 1_s; |
| static bool didScheduleFreeRenderingResources; |
| |
| void ScopedRenderingResourcesRequest::scheduleFreeRenderingResources() |
| { |
| if (didScheduleFreeRenderingResources) |
| return; |
| RunLoop::main().dispatchAfter(freeRenderingResourcesTimeout, freeRenderingResources); |
| didScheduleFreeRenderingResources = true; |
| } |
| |
| void ScopedRenderingResourcesRequest::freeRenderingResources() |
| { |
| didScheduleFreeRenderingResources = false; |
| if (s_requests) |
| return; |
| BEGIN_BLOCK_OBJC_EXCEPTIONS |
| #if PLATFORM(MAC) |
| auto devices = adoptNS(MTLCopyAllDevices()); |
| for (id <MTLDevice> device : devices.get()) |
| [(_MTLDevice *)device _purgeDevice]; |
| #else |
| RetainPtr<MTLDevice> devicePtr = adoptNS(MTLCreateSystemDefaultDevice()); |
| [(_MTLDevice *)devicePtr.get() _purgeDevice]; |
| #endif |
| END_BLOCK_OBJC_EXCEPTIONS |
| } |
| |
| } |
| |
| #endif |