85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/ComputePipeline.h"
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#include "common/HashUtils.h"
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#include "dawn_native/Device.h"
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namespace dawn_native {
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namespace {
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RequiredBufferSizes ComputeMinBufferSizes(const ComputePipelineDescriptor* descriptor) {
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return descriptor->computeStage.module->ComputeRequiredBufferSizesForLayout(
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descriptor->layout);
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}
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} // anonymous namespace
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MaybeError ValidateComputePipelineDescriptor(DeviceBase* device,
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const ComputePipelineDescriptor* descriptor) {
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if (descriptor->nextInChain != nullptr) {
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return DAWN_VALIDATION_ERROR("nextInChain must be nullptr");
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}
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if (descriptor->layout != nullptr) {
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DAWN_TRY(device->ValidateObject(descriptor->layout));
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}
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DAWN_TRY(ValidateProgrammableStageDescriptor(
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device, &descriptor->computeStage, descriptor->layout, SingleShaderStage::Compute));
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return {};
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}
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// ComputePipelineBase
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ComputePipelineBase::ComputePipelineBase(DeviceBase* device,
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const ComputePipelineDescriptor* descriptor)
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: PipelineBase(device,
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descriptor->layout,
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wgpu::ShaderStage::Compute,
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ComputeMinBufferSizes(descriptor)),
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mModule(descriptor->computeStage.module),
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mEntryPoint(descriptor->computeStage.entryPoint) {
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}
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ComputePipelineBase::ComputePipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag)
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: PipelineBase(device, tag) {
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}
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ComputePipelineBase::~ComputePipelineBase() {
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// Do not uncache the actual cached object if we are a blueprint
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if (IsCachedReference()) {
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GetDevice()->UncacheComputePipeline(this);
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}
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}
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// static
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ComputePipelineBase* ComputePipelineBase::MakeError(DeviceBase* device) {
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return new ComputePipelineBase(device, ObjectBase::kError);
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}
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size_t ComputePipelineBase::HashFunc::operator()(const ComputePipelineBase* pipeline) const {
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size_t hash = 0;
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HashCombine(&hash, pipeline->mModule.Get(), pipeline->mEntryPoint, pipeline->GetLayout());
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return hash;
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}
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bool ComputePipelineBase::EqualityFunc::operator()(const ComputePipelineBase* a,
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const ComputePipelineBase* b) const {
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return a->mModule.Get() == b->mModule.Get() && a->mEntryPoint == b->mEntryPoint &&
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a->GetLayout() == b->GetLayout();
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}
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} // namespace dawn_native
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