/* * Copyright (C) 2019 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. */ #pragma once #if ENABLE(WEBGPU) #include <objc/NSObjCRuntime.h> #include <wtf/Optional.h> #include <wtf/Ref.h> #include <wtf/RefCounted.h> #include <wtf/RetainPtr.h> OBJC_PROTOCOL(MTLArgumentEncoder); OBJC_PROTOCOL(MTLBuffer); namespace WebCore { class GPUErrorScopes; class GPUBindGroupAllocator : public RefCounted<GPUBindGroupAllocator> { public: static Ref<GPUBindGroupAllocator> create(GPUErrorScopes&); #if USE(METAL) struct ArgumentBufferOffsets { Optional<NSUInteger> vertex; Optional<NSUInteger> fragment; Optional<NSUInteger> compute; }; Optional<ArgumentBufferOffsets> allocateAndSetEncoders(MTLArgumentEncoder *vertex, MTLArgumentEncoder *fragment, MTLArgumentEncoder *compute); void tryReset(); const MTLBuffer *argumentBuffer() const { return m_argumentBuffer.get(); } #endif private: explicit GPUBindGroupAllocator(GPUErrorScopes&); #if USE(METAL) bool reallocate(NSUInteger); RetainPtr<MTLBuffer> m_argumentBuffer; NSUInteger m_lastOffset { 0 }; #endif Ref<GPUErrorScopes> m_errorScopes; }; } // namespace WebCore #endif // ENABLE(WEBGPU)