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3966eb1175
Bug: dawn:22 Change-Id: I02188d70103a1bee25b9b2024a2ea9f785656236 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/19862 Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
108 lines
4.1 KiB
C++
108 lines
4.1 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/Pipeline.h"
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#include "dawn_native/BindGroupLayout.h"
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#include "dawn_native/Device.h"
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#include "dawn_native/PipelineLayout.h"
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#include "dawn_native/ShaderModule.h"
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namespace dawn_native {
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MaybeError ValidateProgrammableStageDescriptor(const DeviceBase* device,
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const ProgrammableStageDescriptor* descriptor,
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const PipelineLayoutBase* layout,
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SingleShaderStage stage) {
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DAWN_TRY(device->ValidateObject(descriptor->module));
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if (descriptor->entryPoint != std::string("main")) {
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return DAWN_VALIDATION_ERROR("Entry point must be \"main\"");
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}
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if (descriptor->module->GetExecutionModel() != stage) {
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return DAWN_VALIDATION_ERROR("Setting module with wrong stages");
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}
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if (layout != nullptr && !descriptor->module->IsCompatibleWithPipelineLayout(layout)) {
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return DAWN_VALIDATION_ERROR("Stage not compatible with layout");
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}
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return {};
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}
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// PipelineBase
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PipelineBase::PipelineBase(DeviceBase* device,
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PipelineLayoutBase* layout,
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wgpu::ShaderStage stages)
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: CachedObject(device), mStageMask(stages), mLayout(layout) {
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}
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PipelineBase::PipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag)
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: CachedObject(device, tag) {
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}
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wgpu::ShaderStage PipelineBase::GetStageMask() const {
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ASSERT(!IsError());
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return mStageMask;
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}
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PipelineLayoutBase* PipelineBase::GetLayout() {
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ASSERT(!IsError());
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return mLayout.Get();
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}
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const PipelineLayoutBase* PipelineBase::GetLayout() const {
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ASSERT(!IsError());
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return mLayout.Get();
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}
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MaybeError PipelineBase::ValidateGetBindGroupLayout(uint32_t groupIndex) {
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DAWN_TRY(GetDevice()->ValidateIsAlive());
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DAWN_TRY(GetDevice()->ValidateObject(this));
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DAWN_TRY(GetDevice()->ValidateObject(mLayout.Get()));
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if (groupIndex >= kMaxBindGroups) {
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return DAWN_VALIDATION_ERROR("Bind group layout index out of bounds");
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}
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return {};
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}
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BindGroupLayoutBase* PipelineBase::GetBindGroupLayout(uint32_t groupIndex) {
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if (GetDevice()->ConsumedError(ValidateGetBindGroupLayout(groupIndex))) {
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return BindGroupLayoutBase::MakeError(GetDevice());
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}
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if (!mLayout->GetBindGroupLayoutsMask()[groupIndex]) {
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// Get or create an empty bind group layout.
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// TODO(enga): Consider caching this object on the Device and reusing it.
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// Today, this can't be done correctly because of the order of Device destruction.
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// For example, vulkan::~Device will be called before ~DeviceBase. If DeviceBase owns
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// a Ref<BindGroupLayoutBase>, then the VkDevice will be destroyed before the
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// VkDescriptorSetLayout.
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BindGroupLayoutDescriptor desc = {};
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desc.entryCount = 0;
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desc.entries = nullptr;
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BindGroupLayoutBase* bgl = nullptr;
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if (GetDevice()->ConsumedError(GetDevice()->GetOrCreateBindGroupLayout(&desc), &bgl)) {
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return BindGroupLayoutBase::MakeError(GetDevice());
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}
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return bgl;
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}
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BindGroupLayoutBase* bgl = mLayout->GetBindGroupLayout(groupIndex);
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bgl->Reference();
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return bgl;
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}
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} // namespace dawn_native
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