blob: ee49b1151d17b2835408e633a6d6bc20e52933dd [file] [log] [blame]
// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/ComputePipeline.h"
#include "common/HashUtils.h"
#include "dawn_native/Device.h"
namespace dawn_native {
namespace {
RequiredBufferSizes ComputeMinBufferSizes(const ComputePipelineDescriptor* descriptor) {
return descriptor->computeStage.module->ComputeRequiredBufferSizesForLayout(
descriptor->layout);
}
} // anonymous namespace
MaybeError ValidateComputePipelineDescriptor(DeviceBase* device,
const ComputePipelineDescriptor* descriptor) {
if (descriptor->nextInChain != nullptr) {
return DAWN_VALIDATION_ERROR("nextInChain must be nullptr");
}
if (descriptor->layout != nullptr) {
DAWN_TRY(device->ValidateObject(descriptor->layout));
}
DAWN_TRY(ValidateProgrammableStageDescriptor(
device, &descriptor->computeStage, descriptor->layout, SingleShaderStage::Compute));
return {};
}
// ComputePipelineBase
ComputePipelineBase::ComputePipelineBase(DeviceBase* device,
const ComputePipelineDescriptor* descriptor)
: PipelineBase(device,
descriptor->layout,
wgpu::ShaderStage::Compute,
ComputeMinBufferSizes(descriptor)),
mModule(descriptor->computeStage.module),
mEntryPoint(descriptor->computeStage.entryPoint) {
}
ComputePipelineBase::ComputePipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag)
: PipelineBase(device, tag) {
}
ComputePipelineBase::~ComputePipelineBase() {
// Do not uncache the actual cached object if we are a blueprint
if (IsCachedReference()) {
GetDevice()->UncacheComputePipeline(this);
}
}
// static
ComputePipelineBase* ComputePipelineBase::MakeError(DeviceBase* device) {
return new ComputePipelineBase(device, ObjectBase::kError);
}
size_t ComputePipelineBase::HashFunc::operator()(const ComputePipelineBase* pipeline) const {
size_t hash = 0;
HashCombine(&hash, pipeline->mModule.Get(), pipeline->mEntryPoint, pipeline->GetLayout());
return hash;
}
bool ComputePipelineBase::EqualityFunc::operator()(const ComputePipelineBase* a,
const ComputePipelineBase* b) const {
return a->mModule.Get() == b->mModule.Get() && a->mEntryPoint == b->mEntryPoint &&
a->GetLayout() == b->GetLayout();
}
} // namespace dawn_native