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// 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
#ifndef QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H
#define QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DRender/private/qt3drender_global_p.h>
#include <Qt3DCore/private/qresourcemanager_p.h>
#include <texture_p.h>
#include <rhibuffer_p.h>
#include <rhishader_p.h>
#include <rhigraphicspipeline_p.h>
#include <rhirendertarget_p.h>
#include <rendercommand_p.h>
#include <Qt3DRender/private/apishadermanager_p.h>
#include <Qt3DRender/private/renderstateset_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace Rhi {
class Q_AUTOTEST_EXPORT RHIBufferManager
: public Qt3DCore::QResourceManager<RHIBuffer, Qt3DCore::QNodeId, Qt3DCore::NonLockingPolicy>
{
};
class Q_AUTOTEST_EXPORT RHITextureManager
: public Qt3DCore::QResourceManager<RHITexture, Qt3DCore::QNodeId, Qt3DCore::NonLockingPolicy>
{
public:
QHash<RHITexture *, Qt3DCore::QNodeId> texNodeIdForRHITexture;
};
class Q_AUTOTEST_EXPORT RHIRenderTargetManager
: public Qt3DCore::QResourceManager<RHIRenderTarget, Qt3DCore::QNodeId, Qt3DCore::NonLockingPolicy>
{
};
class Q_AUTOTEST_EXPORT RHIShaderManager : public APIShaderManager<RHIShader>
{
public:
explicit RHIShaderManager() : APIShaderManager<RHIShader>() { }
};
class Q_AUTOTEST_EXPORT RHIGraphicsPipelineManager
: public Qt3DCore::QResourceManager<RHIGraphicsPipeline, GraphicsPipelineIdentifier,
Qt3DCore::NonLockingPolicy>
{
public:
RHIGraphicsPipelineManager() { }
int getIdForAttributeVec(const std::vector<AttributeInfo> &attributesInfo);
int getIdForRenderStates(const RenderStateSetPtr &stateSet);
void releasePipelinesReferencingShader(const Qt3DCore::QNodeId &shaderId);
void releasePipelinesReferencingRenderTarget(const Qt3DCore::QNodeId &renderTargetId);
private:
using AttributeInfoVec= std::vector<AttributeInfo>;
std::vector<AttributeInfoVec> m_attributesInfo;
std::vector<std::vector<StateVariant>> m_renderStates;
};
class Q_AUTOTEST_EXPORT RHIComputePipelineManager
: public Qt3DCore::QResourceManager<RHIComputePipeline, ComputePipelineIdentifier,
Qt3DCore::NonLockingPolicy>
{
public:
RHIComputePipelineManager() { }
void releasePipelinesReferencingShader(const Qt3DCore::QNodeId &shaderId);
};
class Q_AUTOTEST_EXPORT RHIResourceManagers
{
public:
RHIResourceManagers();
~RHIResourceManagers();
inline RHIShaderManager *rhiShaderManager() const noexcept { return m_rhiShaderManager; }
inline RHITextureManager *rhiTextureManager() const noexcept { return m_rhiTextureManager; }
inline RHIBufferManager *rhiBufferManager() const noexcept { return m_rhiBufferManager; }
inline RHIRenderTargetManager *rhiRenderTargetManager() const noexcept { return m_rhiRenderTargetManager; }
inline RHIGraphicsPipelineManager *rhiGraphicsPipelineManager() const noexcept
{
return m_rhiGraphicsPipelineManager;
}
inline RHIComputePipelineManager *rhiComputePipelineManager() const noexcept
{
return m_rhiComputePipelineManager;
}
void releaseAllResources();
private:
RHIBufferManager *m_rhiBufferManager;
RHIShaderManager *m_rhiShaderManager;
RHITextureManager *m_rhiTextureManager;
RHIRenderTargetManager *m_rhiRenderTargetManager;
RHIGraphicsPipelineManager *m_rhiGraphicsPipelineManager;
RHIComputePipelineManager *m_rhiComputePipelineManager;
};
inline size_t qHash(const GraphicsPipelineIdentifier &key, size_t seed = 0)
{
const QPair<int, Qt3DCore::QNodeId> p = { key.geometryLayoutKey, key.shader };
using QT_PREPEND_NAMESPACE(qHash);
seed = qHash(p, seed);
seed = qHash(key.renderTarget, seed);
seed = qHash(key.renderStatesKey, seed);
seed = qHash(key.primitiveType, seed);
return seed;
}
inline bool operator==(const GraphicsPipelineIdentifier &a, const GraphicsPipelineIdentifier &b)
{
return a.geometryLayoutKey == b.geometryLayoutKey &&
a.shader == b.shader &&
a.renderTarget == b.renderTarget &&
a.renderStatesKey == b.renderStatesKey &&
a.primitiveType == b.primitiveType;
}
inline size_t qHash(const ComputePipelineIdentifier &key, size_t seed = 0)
{
using QT_PREPEND_NAMESPACE(qHash);
seed = qHash(key.shader, seed);
seed = qHash(key.renderViewIndex, seed);
return seed;
}
inline bool operator==(const ComputePipelineIdentifier &a, const ComputePipelineIdentifier &b)
{
return a.shader == b.shader &&
a.renderViewIndex == b.renderViewIndex;
}
} // Rhi
} // Render
} // Qt3DRender
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIGraphicsPipeline, Q_REQUIRES_CLEANUP)
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIComputePipeline, Q_REQUIRES_CLEANUP)
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHITexture, Q_REQUIRES_CLEANUP)
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIBuffer, Q_REQUIRES_CLEANUP)
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIRenderTarget, Q_REQUIRES_CLEANUP)
Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIShader, Q_REQUIRES_CLEANUP)
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H