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39 
40 #ifndef QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H
41 #define QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists for the convenience
48 // of other Qt classes.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <Qt3DRender/private/qt3drender_global_p.h>
55 #include <Qt3DCore/private/qresourcemanager_p.h>
56 #include <texture_p.h>
57 #include <rhibuffer_p.h>
58 #include <rhishader_p.h>
59 #include <rhigraphicspipeline_p.h>
60 #include <Qt3DRender/private/apishadermanager_p.h>
61 #include <Qt3DRender/private/renderstateset_p.h>
62 
63 QT_BEGIN_NAMESPACE
64 
65 namespace Qt3DRender {
66 
67 namespace Render {
68 
69 namespace Rhi {
70 
71 class Q_AUTOTEST_EXPORT RHIBufferManager
72     : public Qt3DCore::QResourceManager<RHIBuffer, Qt3DCore::QNodeId, Qt3DCore::NonLockingPolicy>
73 {
74 };
75 
76 class Q_AUTOTEST_EXPORT RHITextureManager
77     : public Qt3DCore::QResourceManager<RHITexture, Qt3DCore::QNodeId, Qt3DCore::NonLockingPolicy>
78 {
79 public:
80     QHash<RHITexture *, Qt3DCore::QNodeId> texNodeIdForRHITexture;
81 };
82 
83 class Q_AUTOTEST_EXPORT RHIShaderManager : public APIShaderManager<RHIShader>
84 {
85 public:
RHIShaderManager()86     explicit RHIShaderManager() : APIShaderManager<RHIShader>() { }
87 };
88 
89 // Geometry | Shader | RenderStateMask
90 struct GraphicsPipelineIdentifier
91 {
92     HGeometry geometry;
93     Qt3DCore::QNodeId shader;
94     int renderViewIndex;
95 };
96 
97 class Q_AUTOTEST_EXPORT RHIGraphicsPipelineManager
98     : public Qt3DCore::QResourceManager<RHIGraphicsPipeline, GraphicsPipelineIdentifier,
99                                         Qt3DCore::NonLockingPolicy>
100 {
101 public:
RHIGraphicsPipelineManager()102     RHIGraphicsPipelineManager() { }
103 };
104 
105 class Q_AUTOTEST_EXPORT RHIResourceManagers
106 {
107 public:
108     RHIResourceManagers();
109     ~RHIResourceManagers();
110 
rhiShaderManager()111     inline RHIShaderManager *rhiShaderManager() const noexcept { return m_rhiShaderManager; }
rhiTextureManager()112     inline RHITextureManager *rhiTextureManager() const noexcept { return m_rhiTextureManager; }
rhiBufferManager()113     inline RHIBufferManager *rhiBufferManager() const noexcept { return m_rhiBufferManager; }
rhiGraphicsPipelineManager()114     inline RHIGraphicsPipelineManager *rhiGraphicsPipelineManager() const noexcept
115     {
116         return m_rhiGraphicsPipelineManager;
117     }
118 
119     void releaseAllResources();
120 
121 private:
122     RHIBufferManager *m_rhiBufferManager;
123     RHIShaderManager *m_rhiShaderManager;
124     RHITextureManager *m_rhiTextureManager;
125     RHIGraphicsPipelineManager *m_rhiGraphicsPipelineManager;
126 };
127 
qHash(const GraphicsPipelineIdentifier & key,uint seed)128 inline uint qHash(const GraphicsPipelineIdentifier &key, uint seed)
129 {
130     const QPair<HGeometry, Qt3DCore::QNodeId> p = { key.geometry, key.shader };
131     using QT_PREPEND_NAMESPACE(qHash);
132     return qHash(p, seed) + qHash(key.renderViewIndex, seed);
133 }
134 
135 inline bool operator==(const GraphicsPipelineIdentifier &a, const GraphicsPipelineIdentifier &b)
136 {
137     return a.geometry == b.geometry && a.shader == b.shader
138             && a.renderViewIndex == b.renderViewIndex;
139 }
140 
141 } // Rhi
142 
143 } // Render
144 
145 } // Qt3DRender
146 
147 Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIGraphicsPipeline, Q_REQUIRES_CLEANUP)
148 Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHITexture, Q_REQUIRES_CLEANUP)
149 Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIBuffer, Q_REQUIRES_CLEANUP)
150 Q_DECLARE_RESOURCE_INFO(Qt3DRender::Render::Rhi::RHIShader, Q_REQUIRES_CLEANUP)
151 QT_END_NAMESPACE
152 
153 #endif // QT3DRENDER_RENDER_RHI_RHIRESOURCEMANAGERS_P_H
154