Revision control
++ // Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "rhiresourcemanagers_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++
++ namespace Render {
++
++ namespace Rhi {
++
++ RHIResourceManagers::RHIResourceManagers()
++ : m_rhiBufferManager(new RHIBufferManager()),
++ m_rhiShaderManager(new RHIShaderManager()),
++ m_rhiTextureManager(new RHITextureManager()),
++ m_rhiRenderTargetManager(new RHIRenderTargetManager()),
++ m_rhiGraphicsPipelineManager(new RHIGraphicsPipelineManager()),
++ m_rhiComputePipelineManager(new RHIComputePipelineManager())
++ {
++ }
++
++ RHIResourceManagers::~RHIResourceManagers()
++ {
++ delete m_rhiTextureManager;
++ delete m_rhiShaderManager;
++ delete m_rhiBufferManager;
++ delete m_rhiRenderTargetManager;
++ delete m_rhiGraphicsPipelineManager;
++ delete m_rhiComputePipelineManager;
++ }
++
++ void RHIResourceManagers::releaseAllResources()
++ {
++ auto releaseAll = [](auto *manager) noexcept {
++ // Release all resources reference by a key
++ manager->releaseAllResources();
++ // Release remaining resources which were allocated manually but had no key
++ const auto handles = manager->activeHandles();
++ for (const auto &handle : handles) {
++ manager->release(handle);
++ }
++ };
++
++ releaseAll(m_rhiTextureManager);
++ releaseAll(m_rhiBufferManager);
++ qDeleteAll(m_rhiShaderManager->takeActiveResources());
++ releaseAll(m_rhiRenderTargetManager);
++ releaseAll(m_rhiGraphicsPipelineManager);
++ releaseAll(m_rhiComputePipelineManager);
++ }
++
++ int RHIGraphicsPipelineManager::getIdForAttributeVec(const std::vector<AttributeInfo> &attributesInfo)
++ {
++ auto it = std::find(m_attributesInfo.begin(),
++ m_attributesInfo.end(),
++ attributesInfo);
++ if (it == m_attributesInfo.end()) {
++ m_attributesInfo.emplace_back(attributesInfo);
++ return int(m_attributesInfo.size()) - 1;
++ }
++ return std::distance(m_attributesInfo.begin(), it);
++ }
++
++ int RHIGraphicsPipelineManager::getIdForRenderStates(const RenderStateSetPtr &stateSet)
++ {
++ if (!stateSet)
++ return -1;
++ const std::vector<StateVariant> &states = stateSet->states();
++ auto it = std::find(m_renderStates.begin(),
++ m_renderStates.end(),
++ states);
++ if (it == m_renderStates.end()) {
++ m_renderStates.emplace_back(states);
++ return int(m_renderStates.size()) - 1;
++ }
++ return std::distance(m_renderStates.begin(), it);
++ }
++
++ namespace {
++
++ template<typename Manager>
++ void erasePipelinesReferencingShader(Manager *manager, const Qt3DCore::QNodeId &shaderId)
++ {
++ const auto handles = manager->activeHandles(); // copy
++ for (const auto &handle : handles) {
++ const auto &key = handle->key();
++ if (key.shader == shaderId)
++ manager->releaseResource(key);
++ }
++ }
++
++ template<typename Manager>
++ void erasePipelinesReferencingRenderTargetId(Manager *manager, const Qt3DCore::QNodeId &renderTargetId)
++ {
++ const auto handles = manager->activeHandles(); // copy
++ for (const auto &handle : handles) {
++ const auto &key = handle->key();
++ if (key.renderTarget == renderTargetId)
++ manager->releaseResource(key);
++ }
++ }
++
++ } // anonymous
++
++ void RHIGraphicsPipelineManager::releasePipelinesReferencingShader(const Qt3DCore::QNodeId &shaderId)
++ {
++ erasePipelinesReferencingShader(this, shaderId);
++ }
++
++ void RHIGraphicsPipelineManager::releasePipelinesReferencingRenderTarget(const Qt3DCore::QNodeId &renderTargetId)
++ {
++ erasePipelinesReferencingRenderTargetId(this, renderTargetId);
++ }
++
++ void RHIComputePipelineManager::releasePipelinesReferencingShader(const Qt3DCore::QNodeId &shaderId)
++ {
++ erasePipelinesReferencingShader(this, shaderId);
++ }
++
++ } // Rhi
++
++ } // Render
++
++ } // Qt3DRender
++
++ QT_END_NAMESPACE