| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #import "config.h" |
| #import "GPUBindGroupLayout.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| #import "GPUDevice.h" |
| #import "Logging.h" |
| |
| #import <Foundation/Foundation.h> |
| #import <Metal/Metal.h> |
| #import <wtf/BlockObjCExceptions.h> |
| |
| namespace WebCore { |
| |
| static MTLDataType MTLDataTypeForBindingType(GPUBindingType type) |
| { |
| switch (type) { |
| case GPUBindingType::Sampler: |
| return MTLDataTypeSampler; |
| case GPUBindingType::SampledTexture: |
| return MTLDataTypeTexture; |
| case GPUBindingType::UniformBuffer: |
| case GPUBindingType::DynamicUniformBuffer: |
| case GPUBindingType::StorageBuffer: |
| case GPUBindingType::DynamicStorageBuffer: |
| return MTLDataTypePointer; |
| } |
| } |
| |
| using ArgumentArray = RetainPtr<NSMutableArray<MTLArgumentDescriptor *>>; |
| static void appendArgumentToArray(ArgumentArray& array, RetainPtr<MTLArgumentDescriptor> argument) |
| { |
| BEGIN_BLOCK_OBJC_EXCEPTIONS; |
| if (!array) |
| array = adoptNS([[NSMutableArray alloc] initWithObjects:argument.get(), nil]); |
| else |
| [array addObject:argument.get()]; |
| END_BLOCK_OBJC_EXCEPTIONS; |
| } |
| |
| static RetainPtr<MTLArgumentEncoder> tryCreateMtlArgumentEncoder(const GPUDevice& device, ArgumentArray array) |
| { |
| RetainPtr<MTLArgumentEncoder> encoder; |
| |
| BEGIN_BLOCK_OBJC_EXCEPTIONS; |
| encoder = adoptNS([device.platformDevice() newArgumentEncoderWithArguments:array.get()]); |
| END_BLOCK_OBJC_EXCEPTIONS; |
| if (!encoder) { |
| LOG(WebGPU, "GPUBindGroupLayout::tryCreate(): Unable to create MTLArgumentEncoder!"); |
| return nullptr; |
| } |
| return encoder; |
| }; |
| |
| RefPtr<GPUBindGroupLayout> GPUBindGroupLayout::tryCreate(const GPUDevice& device, const GPUBindGroupLayoutDescriptor& descriptor) |
| { |
| if (!device.platformDevice()) { |
| LOG(WebGPU, "GPUBindGroupLayout::tryCreate(): Invalid MTLDevice!"); |
| return nullptr; |
| } |
| |
| ArgumentArray vertexArgsArray, fragmentArgsArray, computeArgsArray; |
| BindingsMapType bindingsMap; |
| |
| for (const auto& binding : descriptor.bindings) { |
| if (!bindingsMap.add(binding.binding, binding)) { |
| LOG(WebGPU, "GPUBindGroupLayout::tryCreate(): Duplicate binding %u found in GPUBindGroupLayoutDescriptor!", binding.binding); |
| return nullptr; |
| } |
| |
| RetainPtr<MTLArgumentDescriptor> mtlArgument; |
| |
| BEGIN_BLOCK_OBJC_EXCEPTIONS; |
| mtlArgument = adoptNS([MTLArgumentDescriptor new]); |
| END_BLOCK_OBJC_EXCEPTIONS; |
| if (!mtlArgument) { |
| LOG(WebGPU, "GPUBindGroupLayout::tryCreate(): Unable to create MTLArgumentDescriptor for binding %u!", binding.binding); |
| return nullptr; |
| } |
| |
| [mtlArgument setDataType:MTLDataTypeForBindingType(binding.type)]; |
| [mtlArgument setIndex:binding.binding]; |
| |
| if (binding.visibility & GPUShaderStageBit::Flags::Vertex) |
| appendArgumentToArray(vertexArgsArray, mtlArgument); |
| if (binding.visibility & GPUShaderStageBit::Flags::Fragment) |
| appendArgumentToArray(fragmentArgsArray, mtlArgument); |
| if (binding.visibility & GPUShaderStageBit::Flags::Compute) |
| appendArgumentToArray(computeArgsArray, mtlArgument); |
| } |
| |
| RetainPtr<MTLArgumentEncoder> vertex, fragment, compute; |
| |
| if (vertexArgsArray) { |
| if (!(vertex = tryCreateMtlArgumentEncoder(device, vertexArgsArray))) |
| return nullptr; |
| } |
| if (fragmentArgsArray) { |
| if (!(fragment = tryCreateMtlArgumentEncoder(device, fragmentArgsArray))) |
| return nullptr; |
| } |
| if (computeArgsArray) { |
| if (!(compute = tryCreateMtlArgumentEncoder(device, computeArgsArray))) |
| return nullptr; |
| } |
| |
| return adoptRef(new GPUBindGroupLayout(WTFMove(bindingsMap), WTFMove(vertex), WTFMove(fragment), WTFMove(compute))); |
| } |
| |
| GPUBindGroupLayout::GPUBindGroupLayout(BindingsMapType&& bindingsMap, RetainPtr<MTLArgumentEncoder>&& vertex, RetainPtr<MTLArgumentEncoder>&& fragment, RetainPtr<MTLArgumentEncoder>&& compute) |
| : m_vertexEncoder(WTFMove(vertex)) |
| , m_fragmentEncoder(WTFMove(fragment)) |
| , m_computeEncoder(WTFMove(compute)) |
| , m_bindingsMap(WTFMove(bindingsMap)) |
| { |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |